Agilent Technologies E8285A CDMA Mobile Station Test Set Reference Guide Firmware Version A.05.00 and Above Agilent Part Number: E8285-90016 Printed in U. S. A. June 2000 Rev.
© Copyright Agilent Technologies 1999, 2000 Notice Information contained in this document is subject to change without notice. All Rights Reserved. Reproduction, adaptation, or translation without prior written permission is prohibited, except as allowed under the copyright laws. This material may be reproduced by or for the U.S. Government pursuant to the Copyright License under the clause at DFARS 52.227-7013 (APR 1988). Agilent Technologies Learning Products Department 24001 E.
Manufacturer’s Declaration This statement is provided to comply with the requirements of the German Sound Emission Directive, from 18 January 1991. This product has a sound pressure emission (at the operator position) < 70 dB(A). • • • • Sound Pressure Lp < 70 dB(A). At Operator Position. Normal Operation. According to ISO 7779:1988/EN 27779:1991 (Type Test). Herstellerbescheinigung Diese Information steht im Zusammenhang mit den Anforderungen der Maschinenlärminformationsverordnung vom 18 Januar 1991.
Safety Considerations GENERAL This product and related documentation must be reviewed for familiarization with safety markings and instructions before operation. This product has been designed and tested in accordance with IEC Publication 1010, "Safety Requirements for Electronic Measuring Apparatus," and has been supplied in a safe condition.
Safety Considerations for this Instrument WARNING This product is a Safety Class I instrument (provided with a protective earthing ground incorporated in the power cord). The mains plug shall only be inserted in a socket outlet provided with a protective earth contact. Any interruption of the protective conductor inside or outside of the product is likely to make the product dangerous. Intentional interruption is prohibited..
WARNING: Always use the three-prong ac power cord supplied with this product. Failure to ensure adequate earth grounding by not using this cord may cause product damage. This product is designed for use in Installation Category II and Pollution Degree 2 per IEC 1010 and IEC 664 respectively. FOR INDOOR USE ONLY. This product has autoranging line voltage input, be sure the supply voltage is within the specified range. To prevent electrical shock, disconnect instrument from mains (line) before cleaning.
Agilent Technologies Warranty Statement for Commercial Products Agilent Technologies E8285A CDMA Mobile Station Test Set Duration of Warranty: 1 year 1. Agilent Technologies warrants Agilent Technologies hardware, accessories and supplies against defects in materials and workmanship for the period specified above. If Agilent Technologies receives notice of such defects during the warranty period, Agilent Technologies will, at its option, either repair or replace products which prove to be defective.
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DECLARATION OF CONFORMITY according to ISO/IEC Guide 22 and EN 45014 Manufacturer’s Name: Agilent Technologies Manufacturer’s Address: Spokane Division 24001 E.
Agilent Technologies E8285A Support Contacts The documentation supplied with your test set is an excellent source of reference, applications, and service information.
Table 1 Regional Sales and Service Offices United States of America: Agilent Technologies Test and Measurement Call Center P.O. Box 4026 Englewood, CO 80155-4026 Canada: Agilent Technologies Canada Inc. 5150 Spectrum Way Mississauga, Ontario L4W 5G1 (tel) 1 800 452 4844 (tel) 1 877 894 4414 Europe: Agilent Technologies European Marketing Organization P.O. Box 999 1180 AZ Amstelveen The Netherlands (tel) (3120) 547 9999 Japan: Agilent Technologies Japan Ltd.
In this Book Throughout this manual the term "Test Set" is used to denote the Agilent Technologies E8285A. Test Set screens shown in this manual may not match those displayed on the Test Set in every detail. Chapter 1, Key and Miscellaneous Knob Descriptions This chapter describes functions of the Test Set’s keys. Chapter 2, Connector Descriptions This chapter describes the Test Set’s connectors.
Documentation Map All of the following literature, with the exception of the Instrument BASIC User’s Handbook, is shipped with the Agilent Technologies E8285A on a CD-ROM. The Agilent part number of the CD-ROM is E8285-10004. Unless a delete option is specified, paper versions of the Application Guide and Condensed Programming Reference Guide are also shipped with each Test Set. If option OBW is ordered, paper versions of the Reference Guide and the User’s Guide will also be included with the Test Set.
Instrument Basic User’s Handbook (E2083-90000) This guide contains a complete listing of IBASIC commands. This guide is not shipped with the Test Set. For ordering information, contact your nearest regional sales office. Specifications (5968-8839E) This document provides a short description of the Agilent E8285A and lists the operating specifications. This document also includes the specifications for Agilent Technologies 83217A Option 001, 003, and 004 software.
Contents Description of Keys Keys.................................................................................................................................................... 31 Address .................................................................................................................................................................. Answer......................................................................................................................................................
Contents Guidelines for Using Numeric Entry Field Data Functions ................................................................................. 63 USER Keys .........................................................................................................................................64 Description of Connectors Connectors ..........................................................................................................................................67 ANTENNA IN .....................
Contents CDMA Cellular Mobile Receiver Block Diagram................................................................................................ 103 CDMA Cellular Mobile Transmitter Test Screen .............................................................................. 104 CDMA Gated Power Screen .............................................................................................................. 105 CDMA Generator Control Screen.............................................................
Contents TESTS (Order of Tests)......................................................................................................................................... TESTS (Pass/Fail Limits) ..................................................................................................................................... TESTS (Save/Delete Procedure)........................................................................................................................... TESTS (Executions Conditions) .
Contents Audio In Lo .......................................................................................................................................................... Audio Out ............................................................................................................................................................. Authen .................................................................................................................................................................
Contents Cnfg (External Devices) ....................................................................................................................................... Cntry Code ............................................................................................................................................................ Code Location ......................................................................................................................................................
Contents Enter ASCII Data .................................................................................................................................................. Enter Hex Data ...................................................................................................................................................... Enter Procedure Filename .................................................................................................................................... Errors ........
Contents Hard Handoff (annunciator) .................................................................................................................................. GPIB Adrs............................................................................................................................................................. IBASIC Echo ........................................................................................................................................................
Contents Mic Pre-Emp ........................................................................................................................................................ Min Power ............................................................................................................................................................. Min/Max Pwr.........................................................................................................................................................
Contents Page Sent (annunciator) ........................................................................................................................................ Paging (Sector A Power)....................................................................................................................................... Pam Size................................................................................................................................................................ Parameter.....
Contents RAND_U ............................................................................................................................................................... RANDU................................................................................................................................................................. Range Hold............................................................................................................................................................
Contents Select Procedure Location..................................................................................................................................... Send Msg............................................................................................................................................................... Send Msg (CDMA Swept Power Measurement) ................................................................................................. Send Word ............................
Contents System ID .............................................................................................................................................................. System Type (Call Control)................................................................................................................................... System Type (CDMA-to-CDMA or CDMA-to-Analog Handoff) ....................................................................... T_Add..............................................
Contents 28
1 Description of Keys The keys are listed in alphabetical order.
Chapter 1, Description of Keys Figure 1 Agilent Technologies E8285A Front Panel 30 S:\agilent\e8285\REFGUIDE\MANUAL\keys.
Chapter 1, Description of Keys Keys Keys Address Press and release the Shift key, then the Local key to display the GPIB address of the Test Set. There is no equivalent GPIB command for the Address key Programming Address The Test Set’s GPIB address can be changed through GPIB by using the :CONFigure:BADDress commands. If the Test Set’s GPIB address is changed programmatically, all future GPIB commands must use the new address.
Chapter 1, Description of Keys Keys Assign This key is used to assign the User Keys, K1 through K5, and K1’ through K3’. Press and release the Shift key, then the K4 key to select the Assign function. GPIB Example No equivalent GPIB command See Also “Using USER Keys” in the Operating Overview chapter of the E8285A User’s Guide IBASIC User’s Handbook to assign IBASIC commands to user keys Average Press and release the Shift key, then the Increment x10 key to access the average function.
Chapter 1, Description of Keys Keys To Turn Measurement Averaging ON and OFF. Use the :AVERage:STATe commands to turn the averaging data function ON and OFF. Syntax :AVERage:STATe ON :AVERage:STATe OFF Example OUTPUT 714;"MEAS:AFR:DISTN:AVER:STAT ON" This turns the Average data function ON for the AF Analyzer distortion measurement. To Query the Measurement Averaging State. Use the :AVERage:STAT? commands to query the current state of the averaging data function.
Chapter 1, Description of Keys Keys To Query the Number of Averages. Use the :AVERage:VALue? commands to query the number of averages used by the averaging algorithm. Syntax :AVERage:VALue? Example OUTPUT 714;"MEAS:AFR:DISTN:AVER:VAL?" ENTER 714;Num_of_avgs This queries the number of averages for the Average data function for the AF Analyzer distortion measurement. See Also “To Use Measurement Averaging” in the Operating Overview chapter of the E8285A User’s Guide.
Chapter 1, Description of Keys Keys End/Release When this key is pressed, the Test Set disconnects any CDMA-mode call that is currently connected. GPIB Example “DISP CCNT;CDMA:CALL:END” Enter Enter is used to select a field or screen, and to enter numbers when the unit-ofmeasure is not specified. This function is identical to pressing the cursor-control knob. GPIB Example No equivalent GPIB command Hold Press and release the Shift key, then the Meas reset key. This stops all measurements.
Chapter 1, Description of Keys Keys Increment ÷10, Increment set, Increment x10 These keys are used to change the increment/decrement value when changing field values. The increment divide-by-10 function reduces the increment setting by a factor of 10. (New increment setting = current setting ÷ 10). The increment setting function sets the increment value for real-number numeric entry fields. The increment multiply-by-10 function increases the increment setting by a factor of 10.
Chapter 1, Description of Keys Keys NOTE: When querying a field setting or measurement result through GPIB, the Test Set always returns numeric values in GPIB units or attribute units, regardless of the field’s current display units setting. Refer to “To Specify Units-of-Measure for GPIB Data Transfer” in the Operating Overview chapter of the E8285A User’s Guide. To Set the Increment Mode. Use the :INCRement:MODE commands to set the increment mode to linear or logarithmic.
Chapter 1, Description of Keys Keys NOTE: When querying a field setting through GPIB, the Test Set always returns numeric values in GPIB units or attribute units, regardless of the field’s current display units setting. Numeric values are expressed in scientific notation. Refer to “To Specify Units-of-Measure for GPIB Data Transfer” in the Operating Overview chapter of the E8285A User’s Guide. To Query the Increment Value Display Units.
Chapter 1, Description of Keys Keys Programming Increment×10 NOTE: Integer-only fields (such as Intensity and Print Adrs) have a fixed increment of 1, and cannot be changed. Syntax :INCRement:MULTiply Example OUTPUT 714;"RFG:FREQ:INCR:MULT" If the RF Generator’s frequency increment is 1 MHz, this command increases increment value from 1 MHz to 10 MHz.
Chapter 1, Description of Keys Keys Local Local returns the instrument to manual control after GPIB control is used, except when the Test Set is in local-lockout mode. The Test Set returns to Local operation (full front-panel control) when either the Go To Local (GTL) bus command is received, the front-panel Local key is pressed or the REN line goes false.
Chapter 1, Description of Keys Keys To Turn High and Low Measurement Limit Checking ON and OFF. Use the :HLIMit:STATe and :LLIMit:STATe commands to turn high and low measurement limit checking ON and OFF. Syntax :HLIMit:STATe :HLIMit:STATe :LLIMit:STATe :LLIMit:STATe ON OFF ON OFF Example OUTPUT 714;"MEAS:AFR:DISTN:HLIM:STAT ON" OUTPUT 714;"MEAS:AFR:DISTN:LLIM:STAT ON" This turns high and low measurement limit checking ON for the AF Analyzer distortion measurement.
Chapter 1, Description of Keys Keys To Set the Display Units for High and Low Measurement Limits. Use the :HLIMit:DUNits and :LLIMit:DUNits commands to set the units-of-measure used to display the high and low measurement limit values. Refer to “To Specify Units-of-Measure for CRT Display” in the Operating Overview chapter of the E8285A User’s Guide for description of display units.
Chapter 1, Description of Keys Keys To Query the High and Low Measurement Limit Settings. Use the :HLIMit:VALue? and :LLIMit:VALue? commands to query the high and low measurement limit settings. Syntax :HLIMit:VALue? :LLIMit:VALue? Example OUTPUT 714;"MEAS:AFR:FM:HLIM:VAL?" ENTER 714;High_limit OUTPUT 714;"MEAS:AFR:FM:LLIM:VAL?" ENTER 714;Low_limit This queries the high and low measurement limits for the AF Analyzer FM deviation measurement.
Chapter 1, Description of Keys Keys To Reset Measurement Limit Detection. Use the :HLIMit:RESet and :LLIMit:RESet commands to reset measurement limit detection. Once a high or low measurement limit has been exceeded (:HLIMit:EXCeeded? returns a 1 or :LLIMit:EXCeeded? returns a 1), measurement limit detection is disabled until reset by the :RESet command.
Chapter 1, Description of Keys Keys Meter The Meter function displays measurements graphically. The Meter format is available for most measurements. To determine if the Meter format is provided for a measurement, position the cursor in front of the measurement’s units field and press the knob. If the message “Press ON/OFF, LIMITs, REF, AVG, METER, or units” is displayed, the meter format is provided. Programming Meter The GPIB command :METer is used to select this data function programmatically.
Chapter 1, Description of Keys Keys To Query the State of the Meter. Use the :METer:STATe? commands to query the state of the analog bar-graph meter. The query returns a 1 if the meter is ON, and a 0 if the meter is OFF. Syntax :METer:STATe? Example OUTPUT 714;"MEAS:RFR:POW:MET:STAT?" ENTER 714;Meter_on_off ! returns a 1 (ON) or 0 (OFF) This queries the state of the analog bar-graph meter for the TX power measurement. To Set the Number of Intervals on the Meter.
Chapter 1, Description of Keys Keys To Set the Meter High End and Low End Points. Use the :METer:HEND and :MEter:LEND commands to set the analog bar-graph meter’s high endpoint and low endpoint. Syntax :METer:HEND :METer:LEND Example OUTPUT 714;"MEAS:RFR:POW:MET:HEND 20" OUTPUT 714;"MEAS:RFR:POW:MET:LEND 10" This sets the analog bar-graph meter’s high endpoint to 20 watts and the low endpoint to 10 watts for the TX power measurement.
Chapter 1, Description of Keys Keys To Set the Meter High End and Low End Point Display Units. Use the :METer:HEND:DUNits and :MEter:LEND:DUNits commands to set the analog bar-graph meter high end point and low end point display units. Refer to “To Specify Units-of-Measure for CRT Display” in the Operating Overview chapter of the E8285A User’s Guide for description of display units.
Chapter 1, Description of Keys Keys No Ratio W No is used to disregard selected operations before they are executed. Press the No Ratio W key to answer no to prompts requiring a yes or no reply. GPIB Example No equivalent GPIB command On/Off See Yes On/Off field description, on page 56. POWER POWER turns the instrument’s power on and off.
Chapter 1, Description of Keys Keys Print Pressing Print outputs the entire contents of the displayed screen, the time and date, and any print title defined in the PRINTER CONFIGURE screen. To print measurement results through GPIB, the program must query the measurement and print the result in a format determined by the programmer.
Chapter 1, Description of Keys Keys Ref set Press and release the Shift key, then the Increment÷10 key to access the reference set function. This function is used to enter or remove a measurement reference for relative AF and RF measurements. Programming Ref set The GPIB command :REFerence is used to select this data function programmatically. To Turn Measurement Reference Points ON and OFF. Use the :REFerence:STATe commands to turn measurement reference points ON and OFF.
Chapter 1, Description of Keys Keys To Set A Measurement Reference Point. Use the :REFerence:VALue commands to set a measurement reference point. Syntax :REFerence:VALue Example OUTPUT 714;"MEAS:RFR:POW:REF:VAL 20" This sets the measurement reference point for the TX power measurement to 20 watts.
Chapter 1, Description of Keys Keys To Set Measurement Reference Point Display Units. Use the :REFerence:DUNits commands to set a measurement reference point’s display units. Refer to “To Specify Units-of-Measure for CRT Display” in the Operating Overview chapter of the E8285A User’s Guide for description of display units. Syntax :REFerence:DUNits Example OUTPUT 714;"MEAS:RFR:POW:REF:DUN DBM" This sets the measurement reference point’s display units for the TX power measurement to dBm.
Chapter 1, Description of Keys Keys Register This key causes the mobile station to perform a CDMA zone-based registration. See "Register (CDMA)" on page 358. Release This key is used to delete the assignment of the User Keys, K1 through K5, and K1’ through K3’. Press and release the Shift key, then the K5 key to select the Release function.
Chapter 1, Description of Keys Keys NOTE: The :REGister:CLEar:ALL command is only valid for the internal save/recall mass storage device. To clear all saved instrument states from the Card, RAM, or Disk save/recall mass storage devices, each file must be removed individually using the :REGister:CLEar ’’ command. Example OUTPUT 714;"REG:CLE ’SETUP2’" This clears the instrument state SETUP2 from the selected save/recall mass storage device.
Chapter 1, Description of Keys Keys Yes On/Off Yes is used to confirm selected operations before they are executed. Press the Yes On/Off key to answer yes to prompts requiring a yes or no reply. On/Off is used to enable and disable measurements, and to turn numeric fields (such as Amplitude) on and off. GPIB Example No equivalent GPIB command See Also “Using the On/Off Functions” in the Operating Overview chapter of the E8285A User’s Guide 0 to 9, decimal point (.
Chapter 1, Description of Keys Symbol Keys Symbol Keys Backspace The backspace key is used to move the cursor to the left when entering numbers in a field, such as RF Gen Freq. Each press of this key moves the cursor one place to the left, erasing the previous character. GPIB Example No equivalent GPIB command Down-Arrow, Up-Arrow These keys increment (up-arrow) or decrement (down-arrow) field values. The increment value is determined by the Increment set (:INCRement) data function.
Chapter 1, Description of Keys Symbol Keys Units-of-Measure Keys The units keys are for entering and changing the unit-of-measure (such as GHz, V, dBm, %, mW, and so forth) for measurements or field entries. Milliwatts (mW) is a shifted function. Press and release the Shift key, then the Hz-µV-ms key to select mW. See Also “To Specify Units-of-Measure” in the Operating Overview chapter of the E8285A User’s Guide 58 S:\agilent\e8285\REFGUIDE\MANUAL\keys.
Chapter 1, Description of Keys Miscellaneous Hardware Miscellaneous Hardware Front Panel Knobs Cursor Control Knob The large knob on the Test Set’s front panel has three functions: • • • Moving the cursor. Selecting fields, screens, and settings from a list of choices. Changing numeric field values. VOLUME The VOLUME knob controls the speaker volume for monitoring the AF Analyzer's selected input. The volume is also affected by the Speaker Vol and Speaker ALC fields in the analog AF ANALYZER screen.
Chapter 1, Description of Keys Programmable Front-Panel Keys for Screens Programmable Front-Panel Keys for Screens Table 2 Key Name Screen Displayed GPIB Example AF analyzer AF ANALYZER “DISP AFAN” Authentication CDMA AUTHENTICATION “DISP CAUT” Call control (CDMA) CDMA CALL CONTROL “DISP CCNT” Call control (ANALOG) CALL CONTROL “DISP ACNT” Cell config CDMA CELL SITE CONFIGURATION “DISP CCON” Config CONFIGURE “DISP CONF” Duplex DUPLEX TEST “DISP DUPL” Gen control CDMA GENERATOR CONT
Chapter 1, Description of Keys Non-Programmable Front-Panel Keys and Functions Non-Programmable Front-Panel Keys and Functions ON/OFF Power Switch VOLUME Control Knob Cursor Control Knob Shift Key Cancel Key Yes On/Off Key No Ratio W Key Enter Key Backspace (left-arrow) Key Previous Key Hold Key Help Key Print Key Address Key K1, K2, K3, K4, K5, K1’, K2’, K3’, Assign, Release (USER Keys) 61
Chapter 1, Description of Keys DATA FUNCTIONS Keys DATA FUNCTIONS Keys The DATA FUNCTIONS keys can be divided into two groups; those which affect measurements (Ref set, Meter, Average, High limit and Low limit), and those which affect numeric entry fields (Increment÷10, Increment set, Increment×10, up-arrow, down-arrow). For measurements, the data functions enable the programmer to change the way measurements are calculated and displayed, and provide measurement limit detection.
Chapter 1, Description of Keys DATA FUNCTIONS Keys Guidelines for Using Numeric Entry Field Data Functions • Increment values are set, scaled, and changed for individual numeric entry fields. The GPIB data function commands must immediately follow the GPIB command for the individual field. For example, to set the increment value for the RF Generator frequency to 2.
Chapter 1, Description of Keys USER Keys USER Keys User keys instantly access instrument settings without using the knob. You can use user keys to move quickly between fields on the same screen, and to access field settings that are not normally available on the screen you are using. Local user keys are used to move between settings on the screen that is displayed. When the user key is pressed, the cursor instantly moves to, and selects, the assigned field; eliminating the need to turn and push the knob.
2 Description of Connectors The connectors are listed in alphabetical order.
Chapter 2, Description of Connectors CALL CONTROL UTILITIES Answer Call/ Page End/ Release Register Print Printer I/O config Help Tests Config Previous Message Preset Hold Meas reset ANALOG SCREENS CDMA SCREENS USER Cell config Spectrum SMS Call control Gen control Authentication Call control Duplex K1' Spectrun analyzer K1 MS report MS FER RX test TX test TX range RX test TX test AF analyzer K2' Address Local Save Recall K2 DATA FUNCTIONS DATA K3' Ref set Meter
Chapter 2, Description of Connectors Connectors Connectors ANTENNA IN The antenna input is used to analyze low-power RF signals (≤ 200 mW), and is typically used for off-the-air measurements. This port can be selected in the CONFIGURE, CDMA REVERSE CHANNEL SPECTRUM, analog TX TEST, DUPLEX TEST, RF ANALYZER, or SPECTRUM ANALYZER screens. Operating Considerations • BNC • Input impedance = 50Ω • TX Power cannot be measured using this port; use the RF IN/OUT port.
Chapter 2, Description of Connectors Connectors AUDIO IN LOW, HIGH The audio inputs are used to input audio signals to the AF Analyzer. • • AUDIO IN HI is the main audio signal input connection. AUDIO IN LO is used for the audio signal reference. Three choices are available using the AF ANALYZER screen's Audio In Lo field: • Gnd - connects the center pin through approximately 100Ω to chassis ground • Float - provides a floating input.
Chapter 2, Description of Connectors Connectors AUDIO OUT The audio output is used to output signals from AF Generators 1 and 2. Operating Considerations • BNC • Output impedance <1Ω • Maximum output current = 20 mA peak • Maximum reverse voltage = 12 V peak • The output level is set by the AF Generators, and it is not affected by the front-panel VOLUME control. • AC/DC coupling is selected using the Audio Out field. This field is available in the DUPLEX TEST screen, RF GENERATOR screen.
Chapter 2, Description of Connectors Connectors CELL SITE/TRIGGERS This is a DB-25 connector. It provides various CDMA triggers and digital cell diagnostics. Operating Considerations • Pins 1, 2, 3 Ground • Pin 4 - Closed Loop Power Control Ramp Down (CSD1_TRIG1) TTL, 1.8 µs positive pulse indicating ramp down beginning. NOTE: This trigger does not align exactly with the outgoing power control bit in the RF signal. It occurs about 72 microseconds before the next 1.25 ms clock edge.
Chapter 2, Description of Connectors Connectors CDMA CLOCK MUX OUTPUT The CDMA frame clocks provide the CDMA timing references for generating and demodulating CDMA signals. The CDMA clock MUX output provides the following CDMA frame clocks on a multiplexed output. 1.25 ms 20.00 ms 26.67 ms 80.00 ms 2.00 s Each of these CDMA frame clocks is available by selecting from the list of choices displayed on the CONFIGURE screen.
Chapter 2, Description of Connectors Connectors DUPLEX OUT The duplex output is an output for the RF Generator and Tracking Generator. Operating Considerations • Type N • Output impedance = 60Ω • The RF Generator's output is selected in the Output Port field. This field is available on the CONFIGURE, CDMA REVERSE CHANNEL SPECTRUM, analog RX TEST, DUPLEX TEST, RF GENERATOR, and SPECTRUM ANALYZER screens. CAUTION: Connecting an RF source of >200 mW to this connector can permanently damage the instrument.
Chapter 2, Description of Connectors Connectors EXT REF INPUT This input provides a frequency reference for the Test Set’s internal phase-lockedloops. Operating Considerations • BNC • This Test Set does not require a jumper between the 10 MHz OUTPUT and the EXT REF INPUT. • When the TimeBase field is set to Auto, the Test Set will lock to a 1, 2, 5, or 10 MHz reference signal once it has been detected on the rear-panel EXT REF INPUT connector.
Chapter 2, Description of Connectors Connectors MODULATION INPUT This connector provides an external modulation connection to the RF Generator. Operating Considerations Input impedance = 600Ω Maximum input level = 12 V peak Full scale input = 1 V peak The Mod In To field of the RF GENERATOR screen sets the type of modulation (AM or FM) and sensitivity (%AM/Vpk or kHz/Vpk) for this connection.
Chapter 2, Description of Connectors Connectors PARALLEL PORT This port is used with printers requiring a parallel interface when printing screen images or test results. Set the Printer Port: field (on the PRINT CONFIGURE screen or TESTS (Printer Setup) screen) to Parallel to print using this port. Use address 15 when sending data to this port from IBASIC programs.
Chapter 2, Description of Connectors Connectors RF IN/OUT The RF IN/OUT port allows full-duplex interaction, or the RF IN portion can be used with the DUPLEX OUT port, which provides increased output power. Operating Considerations When testing CDMA mobile stations, it is important to enter an RF Level Offset for the selected input and output ports. Refer to “Calibrating the Test Set” chapter in the Agilent Technologies E8285A Application Guide.
Chapter 2, Description of Connectors Connectors SERIAL PORT 9 This connector is the primary serial port (SERIAL PORT 10 is the secondary), and is used for serial data exchange with an external device. Applications might include printing test results to a serial printer, controlling a mobile station through a proprietary serial bus, entering IBASIC programs, or sending test results from the IBASIC controller to a connected controller, disk drive, or terminal.
Chapter 2, Description of Connectors Connectors SERIAL PORT 10 This connector is a secondary serial port (SERIAL PORT 9 is the primary), and is used for serial data exchange with an external device. Applications might include controlling a mobile station through a proprietary serial bus, entering IBASIC programs, or sending test results from the IBASIC controller to a connected controller, disk drive, or terminal.
Chapter 2, Description of Connectors Connectors TRAFFIC CHANNEL LOGGING (DCS1>) The Traffic Channel Logging port provides for logging protocol signaling from the Traffic channel. Refer to Protocol Logging in the Application Guide. Operating Considerations • 9-pin sub-miniature D • 115.
Chapter 2, Description of Connectors Connectors 10 MHz OUTPUT The 10 MHz output is one output of a reference phase-locked-loop that generates 10 MHz reference signals for all of the digital and analog phase-locked-loops in the Test Set. This reference phase-locked-loop can lock to many frequencies, which are listed in the description of the EXT REF INPUT connector.
3 Description of Screens These screens are listed in alphabetical order.
Chapter 3, Description of Screens Adjacent Channel Power Screen Adjacent Channel Power Screen Figure 4 The Adjacent Channel Power Screen This screen is used to measure Adjacent Channel Power. This is a measurement of the power of signals at a specific channel spacing above and below the RF Analyzer’s center frequency. This screen is accessed by selecting AD CH PWR from the Analog To Screen menu. 82 S:\agilent\e8285\REFGUIDE\MANUAL\screens.
Chapter 3, Description of Screens Adjacent Channel Power Screen How the Test Set Measures Adjacent Channel Power (ACP) When you access this screen, the Test Set automatically starts a multi-step process for measuring ACP: 1. AF Generator 1 is turned off if the Carrier Ref field is set to Unmod. 2. The amplitude of the center frequency (Tune Freq) is measured to establish a reference. 3. AF Generator 1 is turned back on if it was previously turned off. 4.
Chapter 3, Description of Screens AF Analyzer Screen AF Analyzer Screen Figure 5 The AF Analyzer Screen "AF Analyzer Block Diagram" on page 85 84 S:\agilent\e8285\REFGUIDE\MANUAL\screens.
Chapter 3, Description of Screens AF Analyzer Screen AF Analyzer Block Diagram $) $QW ,Q )0 'HPRG ,QSXW *DLQ $) &QW *DWH GE )0 'HPRG )URP ,) )LOWHUV $0 'HPRG )LOWHU )LOWHU +] +3) N+] /3) 66% 'HPRG )URP $8',2 2XW $XGLR 2XW )URP 5DGLR ,QWHUIDFH &/.
Chapter 3, Description of Screens Call Control Screens Call Control Screens Figure 7 NOTE: The CALL CONTROL Screen The number and type of fields displayed on the CALL CONTROL screen depends on the selected system type. The CALL CONTROL screen is the primary analog call processing screen. It contains the most often used call processing configuration and command fields. Figure 7 shows the CALL CONTROL screen for AMPS.
Chapter 3, Description of Screens Call Control Screens Call Control Screens - ANALOG MEAS Figure 8 The ANALOG MEAS Screen This screen is used to make RF and audio measurements on the mobile station connected to the Test Set while on an active voice channel. The Test Set does not monitor the mobile station’s transmitted carrier power while the ANALOG MEAS screen is displayed. If the power falls below 0.
Chapter 3, Description of Screens Call Control Screens Requirements for Using The ANALOG MEAS Screen The Test Set must be in the connected state (that is, the Connect annunciator is lit) in order to use the ANALOG MEAS screen. The mobile station’s speaker output must be connected to the Test Set’s AUDIO IN connector and the mobile station’s microphone input must be connected to the Test Set’s AUDIO OUT connector in order to use the ANALOG MEAS screen.
Chapter 3, Description of Screens Call Control Screens Call Control Screens - AUTHENTICATION Figure 9 The AUTHENTICATION Screen The AUTHENTICATION screen allows you to enter parameters for authentication into the Test Set. These parameters are used by the Cave algorithm during Call Processing functions such as registration, page, and originate to verify a valid call.
Chapter 3, Description of Screens Call Control Screens Call Control Screens - CALL BIT Figure 10 The CALL BIT Screen The CALL BIT screen is designed to give an advanced user the capability to modify the contents of the forward control channel and forward voice channel signaling messages that are used in all processing messaging protocol.
Chapter 3, Description of Screens Call Control Screens Using the CALL BIT Screen Using the CALL BIT screen requires expert knowledge of the call processing messaging protocols used in the system selected in the System Type field on the CALL CONTROL screen. The CALL BIT screen should not be used to change any parameter that can be set on any other Call Processing Subsystem screen.
Chapter 3, Description of Screens Call Control Screens Table 3 lists the message names used to access each of the signaling messages available on the CALL BIT screen.
Chapter 3, Description of Screens Call Control Screens Querying Multiple Fields With Single OUTPUT/ENTER When multiple queries are combined into one command string the Test Set responds by sending one response message containing individual response message units separated by a response message unit separator (;).
Chapter 3, Description of Screens Call Control Screens Call Control Screens - CALL CONFIGURE Figure 11 NOTE: The CALL CONFIGURE Screen The number of fields displayed on the CALL CONFIGURE screen depends on the selected system type. This screen is used to set some of the less commonly used Test Set configuration parameters. When the CALL CONFIGURE screen is displayed and the Call Processing Subsystem is in the connect state, the Test Set constantly monitors the mobile station’s transmitted carrier power.
Chapter 3, Description of Screens Call Control Screens Call Control Screens - CALL DATA Figure 12 The CALL DATA Screen This screen displays the decoded reverse control channel and reverse voice channel signaling messages received by the Test Set from the mobile station. Thirteen different decoded messages can be viewed on this screen. The message to be viewed is selected using the Display Word field.
Chapter 3, Description of Screens Call Control Screens The messages which can be viewed are: • Reverse Control Channel Messages for Paging, Origination, Orders, and Order Confirmation. • • • • • • • RVCOrdCon - Reverse Voice Channel Order Confirmation Message Reverse Control Channel Authentication Messages.
Chapter 3, Description of Screens Call Control Screens Reading the CALL DATA Screen Message Fields This section provides programming information on how to read the individual fields from the decoded reverse control channel and reverse voice channel signaling messages available on the CALL DATA screen.
Chapter 3, Description of Screens Call Control Screens Querying a Single Field Example of Querying A Single Field OUTPUT 714;"CALLP:DATA ’RECCW A’" OUTPUT 714;"CALLP:RECA:SCM?" ENTER 714;Scm$ PRINT Scm$ Example Printout "1110" Querying Multiple Fields With Single OUTPUT/ENTER When multiple queries are combined into one command string the Test Set responds by sending one response message containing individual response message units separated by a response message unit separator (;).
Chapter 3, Description of Screens CDMA Authentication Screen CDMA Authentication Screen Figure 13 The CDMA Authentication Screen The CDMA Authentication screen provides the necessary features for testing a CDMA mobile station’s ability to perform call-processing functions with authentication.
Chapter 3, Description of Screens CDMA Call Control Screen CDMA Call Control Screen Figure 14 The CDMA Call Control Screen This screen allows you to establish a call, terminate a call, and perform handoffs. 100 S:\agilent\e8285\REFGUIDE\MANUAL\screens.
Chapter 3, Description of Screens CDMA Cell Site Configuration Screen CDMA Cell Site Configuration Screen Figure 15 The CDMA Cell Site Configuration Screen This screen provides fields for setting up CDMA cell site system parameters and fields for setting up an analog cell site voice channel for digital to analog handoffs.
Chapter 3, Description of Screens CDMA Cellular Mobile Receiver Test Screen CDMA Cellular Mobile Receiver Test Screen Figure 16 The CDMA Cellular Mobile Receiver Test Screen This screen allows receiver (FER) test setup, controls start and stop of receiver tests, and displays call status and FER results. "CDMA Cellular Mobile Receiver Block Diagram" on page 103 102 S:\agilent\e8285\REFGUIDE\MANUAL\screens.
Chapter 3, Description of Screens CDMA Cellular Mobile Receiver Test Screen CDMA Cellular Mobile Receiver Block Diagram FER Measurements Reverse Channel Traffic Max Power, 6 Watts Continuous Meas Cntl Single/Cont Arm Disarm Data Buffer Demod RF IN/ OUT Reverse Channel Signaling RF Power -65.0000 dBm/BW Bits Received FER % Max Frames 1000 Traffic Data Mode Svc Opt 2 Protocol Engine Confidence 95.00 % FER Spec 1.00 % Bits Sent Forward Traffic Signaling Sector A Power -73 dBm/BW Traffic 0.
Chapter 3, Description of Screens CDMA Cellular Mobile Transmitter Test Screen CDMA Cellular Mobile Transmitter Test Screen Figure 17 The CDMA Cellular Mobile Transmitter Test Screen This screen reports measurements of the mobile’s transmitter. 104 S:\agilent\e8285\REFGUIDE\MANUAL\screens.
Chapter 3, Description of Screens CDMA Gated Power Screen CDMA Gated Power Screen Figure 18 The CDMA Gated Power Screen 105
Chapter 3, Description of Screens CDMA Generator Control Screen CDMA Generator Control Screen Figure 19 The CDMA Generator Control Screen This screen controls the Test Set’s forward CDMA channel output power and relative code channel power. "CDMA Generator Control Block Diagram" on page 107 106 S:\agilent\e8285\REFGUIDE\MANUAL\screens.
Chapter 3, Description of Screens CDMA Generator Control Screen CDMA Generator Control Block Diagram Base Station Modulator Gain Adjustment Pilot Off dB BSM Sync Off dB Sector A Channels BSM Sector A Power Off dBm Paging Off BSM Traffic Off RF Power -65.0000 dBm/BW dB BSM OCNS 0.0000 AWGNSource AWGN Off dBm/BW dB 2 MHz 1.23 MHz IQModulator RF Power Automatically set based on Sector A, Sector B, and AWGN settings.
Chapter 3, Description of Screens CDMA Mobile Reported FER Screen CDMA Mobile Reported FER Screen Figure 20 The CDMA Mobile Reported FER Screen This screen displays FER as reported from the mobile station. It also controls the mobile station report interval and allows the retrieval of mobile parameters. 108 S:\agilent\e8285\REFGUIDE\MANUAL\screens.
Chapter 3, Description of Screens CDMA Mobile Reported Pilot Strength Screen CDMA Mobile Reported Pilot Strength Screen Figure 21 The CDMA Mobile Reported Pilot Strength Screen This screen displays pilot strength data as reported from the mobile station. It also controls the mobile station report interval and allows the retrieval of mobile parameters.
Chapter 3, Description of Screens CDMA Open Loop Time Response Screen CDMA Open Loop Time Response Screen Figure 22 The CDMA Open Loop Time Response Order Screen 110 S:\agilent\e8285\REFGUIDE\MANUAL\screens.
Chapter 3, Description of Screens CDMA Reverse Channel Spectrum Screen CDMA Reverse Channel Spectrum Screen Figure 23 The CDMA Reverse Channel Spectrum Screen 111
Chapter 3, Description of Screens CDMA Short Message Service Screen CDMA Short Message Service Screen Figure 24 The CDMA Short Message Service Screen The CDMA Short Message Service screen provides fields for entering and sending messages to the mobile station over both the Traffic and Paging channels. The Test Set also indicates whether the mobile station acknowledged reception of the message. 112 S:\agilent\e8285\REFGUIDE\MANUAL\screens.
Chapter 3, Description of Screens CDMA Swept Power Measurement Screen CDMA Swept Power Measurement Screen Figure 25 The CDMA Swept Power Measurement Screen The CDMA Swept Power Measurement screen provides fields for performing a DSP-based power versus time measurement. When the measurement is invoked, the mobile station is directed to generate an amplitude sweep.
Chapter 3, Description of Screens CDMA Transmitter Power Range Test Screen CDMA Transmitter Power Range Test Screen Figure 26 The CDMA Transmitter Power Range Screen 114 S:\agilent\e8285\REFGUIDE\MANUAL\screens.
Chapter 3, Description of Screens Configure Screen Configure Screen Figure 27 The Configure Screen The CONFIGURE screen defines a number of general operating functions, such as date and time, screen intensity, and beeper volume. It is also used to define some RF signal parameters, such as RF Generator/Analyzer offset, channel standards and characteristics, and signal loss/gain compensation.
Chapter 3, Description of Screens Duplex Test Screen Duplex Test Screen Figure 28 The Duplex Test Screen "Duplex Test Block Diagram" on page 117 116 S:\agilent\e8285\REFGUIDE\MANUAL\screens.
Chapter 3, Description of Screens Duplex Test Screen Duplex Test Block Diagram ,QSXW 3RUW ,) )LOWHU 5) ,1 $UW N+] $17 ,1 ,) 5) 5) 67$*(6 /2 5) ,1 ,) 67$*(6 +LJK 3RZHU $WWHQXDWRU 7XQH 0RGH 7XQH )UHT $XWR 0DQXDO 0+] 7; 3ZU =HUR 7; 3RZHU $) $QO ,Q 0HDVXUHPHQW )0 'HPRG 5HIHUHQFH =HUR )0 'HQRG $0 'HPRG 66%'HPRG )URP $8',2 ,1 )LOWHU )LOWHU +] +3) N+] /3) $XGLR ,Q )URP 5DGLR ,QWHUIDFH 5DGLR ,QW 5HDU 3DQHO 0RG ,1 ([W 0RG )URP 0,& $&& 0LF 0RG )URP $0 )0
Chapter 3, Description of Screens Help Screens Help Screens The HELP screen is used to access tutorial information for a wide variety of instrument functions. After this screen is accessed, push the cursor-control knob to display the help Index. The knob is then used to select the desired topic. Once you have accessed the desired information, you can return to the Help Index by pushing the cursor-control knob. To exit the HELP screen and return to the previous screen, press the PREV key.
Chapter 3, Description of Screens I/O Configure Screen I/O Configure Screen Figure 30 The I/O Configure Screen The I/O CONFIGURE screen’s fields are used to specify GPIB and serial communications settings.
Chapter 3, Description of Screens Message Screen Message Screen The MESSAGE screen lists any error or operation messages that have occurred since the instrument was turned on or the screen was cleared. The type of error and the time it occurred are listed. If one error occurs more than once before a different error is encountered, the number of times it occurred, and when it occurred, are displayed. All messages are shown until the entire display is filled.
Chapter 3, Description of Screens Oscilloscope Screens Oscilloscope Screens Main Trigger Marker Main Figure 31 The Oscilloscope Screen and Menus The OSCILLOSCOPE screen’s controls are arranged by menu. The menus are accessed using the Controls field. Assigning global USER keys to the most-used functions on the menus allows you to access the functions without having to change menus during operation.
Chapter 3, Description of Screens Oscilloscope Screens Selecting the Oscilloscope’s Input The oscilloscope’s input is determined by the AF Anl In field setting in the AF ANALYZER, TX TEST, or DUPLEX TEST screens. Figure 32 Oscilloscope Input Indicator Using the Scope To Field The Scope To field in the AF ANALYZER screen allows you to look at the signal at different stages in the AF Analyzer’s process. (Refer to the Scope To field description, on page 379 to understand the different choices.
Chapter 3, Description of Screens Print Configure Screen Print Configure Screen Figure 33 The Printer Configurations Screen This screen configures the Test Set to print screen images with your printer. Images are printed using either the front-panel PRINT function (see “Printing a Screen” in the Operating Overview chapter of the E8285A User’s Guide) or the Print All USER key available on some TESTS environment screens.
Chapter 3, Description of Screens RF Analyzer Screen RF Analyzer Screen Figure 34 The RF Analyzer Screen "RF Analyzer Block Diagram" on page 125 124 S:\agilent\e8285\REFGUIDE\MANUAL\screens.
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Chapter 3, Description of Screens RF Generator Screen RF Generator Screen Figure 36 The RF Generator Screen "RF Generator Block Diagram" on page 127 126 S:\agilent\e8285\REFGUIDE\MANUAL\screens.
Chapter 3, Description of Screens RF Generator Screen RF Generator Block Diagram $PSOLWXGH 5) *HQ )UHT 0LF 3UH (PS $XWR +ROG G%P 0+] 2Q 2II 5) 2XW X6 'XSOH[ 2XW 0,& $&& $0 )0 2XWSXW 3RUW $WWHQ +ROG 5) 2XW 'XSO 2Q 2II 0RGXODWLRQ ,QSXW 5HDU 3DQHO '& 0RG ,Q 7R )0 9SN $& 2II )0 &RXSOLQJ $& '& '& )0 =HUR $) *HQ )UHT N+] $) *HQ 7R )0 N+] $) *HQ )UHT $) *HQ 7R )0 N+] 2II $XGLR 2XW $& '& $& '& Figure 37 $XGLR 2XW RF GENE
Chapter 3, Description of Screens RX Test Screen RX Test Screen Figure 38 The RX Test Screen "RX Test Block Diagram" on page 129 128 S:\agilent\e8285\REFGUIDE\MANUAL\screens.
Chapter 3, Description of Screens RX Test Screen RX Test Block Diagram $PSOLWXGH 5) *HQ )UHT G%P 0+] 5) 2XW 'XSOH[ 2XW $0 )0 2XWSXW 3RUW $WWHQ +ROG 5) 2XW 'XSO 2Q 2II $) *HQ 7R $) *HQ )UHT )0 N+] N+] )0 $0 $) *HQ 7R $) *HQ )UHT )0 2II N+] $XGLR 2XW 6,1$' )LOWHU +] +3) )LOWHU N+] /3) $8',2 ,1 +, ([W /RDG 5 0HDVXUHPHQWV 'LVSOD\ $UHD 6,1$' $) )UHT 'LVWQ $) )UHT '& /HYHO &XUUHQW $& /HYHO 615 $8',2 ,1 /2 Figure 39
Chapter 3, Description of Screens Service Screen Service Screen NOTE: This screen is used for component-level troubleshooting by the manufacturer. This method of troubleshooting is not currently supported outside of the factory. This screen allows you to monitor individual circuit node measurements and change various MUX and DAC latch settings for isolating faulty modules. To access the Service screen, you must first access the CONFIGURE screen, then select Service from the To Screen menu.
Chapter 3, Description of Screens Spectrum Analyzer Screens Spectrum Analyzer Screens Main RF Gen Marker Auxiliary Main Figure 40 The Spectrum Analyzer Screen and Menus The SPECTRUM ANALYZER screen’s controls are arranged in four menus. The menus are accessed using the Controls field. Assigning global USER keys to the most-used functions on the menus allows you to access the functions without having to change menus.
Chapter 3, Description of Screens Spectrum Analyzer Screens Using the Spectrum Analyzer Automatic Calibration During operation, the Spectrum Analyzer pauses for approximately 2 seconds every 5 minutes to recalibrate itself. This does not affect the accuracy of displayed measurements, but does cause a brief interruption of the displayed information during the process.
Chapter 3, Description of Screens TESTS Screens TESTS Screens Figure 41 The TESTS (Main Menu) Screen Description of the Tests Subsystem The TESTS screens are the also referred to as the Tests Subsystem; a group of screens used to create, edit, and run automated test programs. Using program control, the Test Set can run radio tests by itself and control other instruments using the GPIB or Serial Port. The Agilent Technologies 83217A Mobile Station Test Software is an example this type of operation.
Chapter 3, Description of Screens TESTS Screens TESTS (Main Menu) Figure 42 The TESTS (Main Menu) Screen When you press the TESTS key, you access the main TESTS screen. The other screens of the subsystem are accessed using the CUSTOMIZE TEST PROCEDURE: or SET UP TEST SET: lists. • • • • • • • • • • Main Menu is used to load a test procedure from a disk, RAM, ROM, or memory card. It is also used to access the other screens in the Tests Subsystem.
Chapter 3, Description of Screens TESTS Screens TESTS (Channel Information) Figure 43 The TESTS (Channel Information) Screen This screen displays the channel frequencies to be tested.
Chapter 3, Description of Screens TESTS Screens TESTS (Test Parameters) Figure 44 The TESTS (Test Parameters) Screen Test Parameters are used to define operating and testing characteristics to match those of the radio being tested (audio-load impedance, audio power, power-supply voltage, and so forth). By selecting the Parm#, Value, or Units fields and using the data and units keys, you can modify or enter parameters. 136 S:\agilent\e8285\REFGUIDE\MANUAL\screens.
Chapter 3, Description of Screens TESTS Screens TESTS (Order of Tests) Figure 45 The TESTS (Order of Tests) Screen This screen is used to decided what sequence the test should be executed.
Chapter 3, Description of Screens TESTS Screens TESTS (Pass/Fail Limits) Figure 46 The TESTS (Pass/Fail Limits) Screen Pass/Fail limits are the radio manufacturer’s upper and lower limits used by the Tests Subsystem. For a radio to pass a test, the measured value must fall within the test’s limits. Tests results can be compared to only the lower limit, only the upper limit, both the upper and lower limits, or no limits (None). (Pass/Fail limits are sometimes referred to as specifications.
Chapter 3, Description of Screens TESTS Screens TESTS (Save/Delete Procedure) Figure 47 The TESTS (Save/Delete Procedure) Screen After selecting a test sequence and defining the appropriate specifications, parameters, frequencies, and system configuration, you can save all that information as a procedure file for later use. This screen is also used to delete procedures.
Chapter 3, Description of Screens TESTS Screens TESTS (Executions Conditions) Figure 48 The TESTS (Execution Conditions) Screen The TESTS (Execution Conditions) screen determines how tests are run. 140 S:\agilent\e8285\REFGUIDE\MANUAL\screens.
Chapter 3, Description of Screens TESTS Screens TESTS (External Devices) Figure 49 The TESTS (External Devices) Screen The Tests Subsystem can only access external devices if they have been configured. Most external devices use the GPIB port for control. A serial printer can be connected to the serial port for printing test results. NOTE: GPIB Mode. The Mode field on the I/O CONFIGURE screen must be set to Control to access connected GPIB instruments.
Chapter 3, Description of Screens TESTS Screens TESTS (Printer Setup) Figure 50 The TESTS (Printer Setup) Screen The TESTS (Printer Setup) screen determines how tests are run. 142 S:\agilent\e8285\REFGUIDE\MANUAL\screens.
Chapter 3, Description of Screens TESTS Screens TESTS (IBASIC Controller) Figure 51 The TESTS (IBASIC Controller) Screen The IBASIC controller is used to run IBASIC programs. This screen is also used as a stand-alone IBASIC computer. See the Instrument BASIC documentation for information about writing your own tests for the Test Set. If you need to perform a simple IBASIC operation, such as a SAVE or GET function, you can enter commands one at a time.
Chapter 3, Description of Screens TX TEST Screen TX TEST Screen Figure 52 The TX Test Screen "TX Test Block Diagram" on page 145 144 S:\agilent\e8285\REFGUIDE\MANUAL\screens.
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Chapter 3, Description of Screens TX TEST Screen 146 S:\agilent\e8285\REFGUIDE\MANUAL\screens.
4 Description of Fields Field descriptions are listed in alphabetical order.
Chapter 4, Description of Fields Fields Fields Abort Print Select this field to interrupt the print in progress. GPIB Example Abort Print is not directly programmable over the GPIB.” Screens Where Field is Present PRINT CONFIGURE Access (annunciator) When lit, the Access annunciator indicates the Test Set is signaling the mobile station with command information on the forward voice channel. This is a transitory state.
Chapter 4, Description of Fields Fields Acc Prb Pwr This measurement automatically senses when the mobile station access probe power level crosses a threshold (approximately -55 dBm/BW) during registration or call attempts. Although each access probe is measured, only the last access probe during an access attempt is displayed. This field is accessed by highlighting the currently displayed power measurement (listed below) and selecting Acc Prb Pwr from the list of choices.
Chapter 4, Description of Fields Fields Operating Considerations A sequence of access probes is transmitted as part of the mobile station’s attempt to gain access to a CDMA system. To determine a mobile station’s access probe power, select Acc Prb Pwr from the list of power measurement choices. Press the Config key to access the CDMA CELL SITE CONFIGURATION screen. Select Page in the Call limit field.
Chapter 4, Description of Fields Fields Access Probe (annunciator) This annunciator lights when the mobile station transmits an access probe. This annunciator will remain lit until the call has been terminated. A sequence of access probes is transmitted as part of the mobile station’s attempt to gain access to a CDMA system. A mobile station originated call or a mobile station terminated call each require the mobile station to transmit access probes.
Chapter 4, Description of Fields Fields Screens Where Field is Present AF ANALYZER DUPLEX RF ANALYZER RX TEST Active This field is used to turn on the forward control channel of the Test Set or to force a return to the Active state from any other state (Register, Page, Access, Connect). If the forward control channel of the Test Set is already active, sending the :ACTive command will deactivate and then reactivate the control channel. The :ACTive command is used to control this field.
Chapter 4, Description of Fields Fields Active (annunciator) When lit, the Active annunciator indicates the control channel of the Test Set is turned on. If this annunciator is lit, the base station is transmitting system parameter overhead messages on the assigned control channel. If the annunciator is not lit, the base station is not active.
Chapter 4, Description of Fields Fields Add Intcpt This field is used to enter the parameter ADD_INTERCEPT. Refer to ANSI TIA/ EIA-95-B for additional details. This field is displayed only when TIA/EIA-95B is selected in the "Protocol" field on page 346. GPIB Example “DISP CMOB;CDMA:MOB:PARM:IADD 8” enters 8 in the Add Intcpt field. Operating Considerations This field setting, along with the "Soft Slope" field on page 400, modifies the way that the mobile station manages pilot sets.
Chapter 4, Description of Fields Fields AF Anl In The audio frequency analyzer input selects the input for the analyzer. When selected, this field displays a list of choices. Signals can be analyzed from three different types of inputs: • The output of the AM, FM, or SSB demodulators. • The AUDIO IN, MODULATION INPUT, MIC/ACC, and AUDIO OUT connectors. • The signal present at the AM or FM modulators for the RF Generator.
Chapter 4, Description of Fields Fields AF Freq This field is a one-of-many field used to select the type of measurement to be made by the Audio Frequency Analyzer on the audio signal being measured. Selecting this field displays the following measurement choices: SINAD Distn (Distortion) SNR (Signal to Noise Ratio) AF Freq DC Level Current (DC only) Operating Considerations This is a priority control field. Accessing the RX TEST or TX TEST screen overrides any changes made to this field in other screens.
Chapter 4, Description of Fields Fields AF Freq The AF Freq field is displayed only when the Display field is set to Meas. This field displays the audio frequency of the demodulated FM signal being transmitted by the mobile station. Four dashes (----) indicate that no audio frequency is present to measure. A numeric value would only be displayed when the Test Set’s Connected annunciator is lit. Refer to the "Display" field on page 223 for information on how to read measurement results from this field.
Chapter 4, Description of Fields Fields AFGen1 To This field has two fields: • • the upper field sets the destination port for Audio Frequency Generator 1 • FM -RF Generator FM modulator • AM -RF Generator AM modulator • Audio Out -AUDIO OUT connector on front panel of Test Set the lower field sets the: • FM modulation deviation if the upper field set to FM • AM modulation depth if the upper field set to AM • amplitude of audio signal (volts RMS) at the AUDIO OUT connector if upper field is set to Audio
Chapter 4, Description of Fields Fields AFGen2 To This field has two fields: • • the upper field sets the destination port for Audio Frequency Generator 2 • FM -RF Generator FM modulator • AM -RF Generator AM modulator • Audio Out -AUDIO OUT connector on front panel of Test Set the lower field sets the: • FM modulation deviation if the upper field set to FM • AM modulation depth if the upper field set to AM • amplitude of audio signal (volts RMS) at the AUDIO OUT connector if upper field is set to Audio
Chapter 4, Description of Fields Fields A_Key Manually, this field is used to enter the mobile station’s A_key into the Test Set. The user must obtain a valid A_Key from the mobile station’s manufacturer, service provider or must generate a valid A_key to test authentication procedures, otherwise the authentication process will fail. Entering an A_key Directly into the Test Set. The :AKEY command is used to enter an A_key into the Test Set.
Chapter 4, Description of Fields Fields Example OUTPUT 714;"CALLP:AMPS:AUTH:AKEY:GEN" OUTPUT 714;"CALLP:AMPS:AUTH:AKEY?" ENTER 714;Akey_val$ Screens Where Field is Present AUTHENTICATION A-Key Digits This field is used to enter the decimal digits used to generate the A_Key. When a number is entered, the Test Set will add leading zeroes if necessary to fill the field with 20 digits. The default setting is all zeroes. GPIB Example “CDMA:AUTH:AKEY ‘1’” enters a 1 preceded by 19 0’s in the A-Key field.
Chapter 4, Description of Fields Fields Alert This field sets the Alert parameter in SMS messages. • • On Off GPIB Example "CDMA:SMS:TERM:ALERT ‘On’" sets the Alert parameter to “On”. Operating Considerations Some mobile stations require this field to be set to On before mobile station will alert the user (through audio tones or vibration for example) that a message has been received.
Chapter 4, Description of Fields Fields Alt Pwr Ms Cal Bands The frequency band occupied by the RF channel standard entered in this field will be included in the frequency coverage of the channel power calibration routine. • • • • • • • • • • • • • None All Bands PCS Bands Cell Bands MS AMPS Japan CDMA MSL NAMPS MSM NAMPS MSU NAMPS MS TACS MS ETACS MS NTACS MS JTACS GPIB Example "CONF:ACST ‘All Bands’" selects “All Bands” in the Alt Pwr Ms Cal Bands field.
Chapter 4, Description of Fields Fields AM Depth This field displays the percent depth of modulation of the AM signal. The field is only visible when the AF ANL In field is set to AM MOD or AM DEMOD.
Chapter 4, Description of Fields Fields Amplitude This field sets the output power of the Test Sets’s transmitter (that is, the output power of the Test Set’s RF Generator). See “RF Generator” in the GPIB Command Syntax chapter of the E8285A Condensed Programming Reference Guide for programming command syntax. The :AMPLitude command is used to control this field. To query the current setting of the amplitude field use the :AMPLitude? command.
Chapter 4, Description of Fields Fields Amplitude (CDMA Swept Power Measurement) This field sets the measurement trigger amplitude. GPIB Example “CDMA:SWEPtpower:TRIGger:AMPLitude ‘-18 dB’” sets the trigger amplitude. Operating Considerations Enter a value here that is sufficient to trigger the measurement. The selectable values are: −12 dB, −18 dB, and −24 dB. The default value is −12 dB.
Chapter 4, Description of Fields Fields Antenna In This field is used to indicate losses or gains between the ANTENNA IN port and the device-under-test. Enter a positive value to indicate a gain (such as an amplifier). The Spectrum Analyzer’s marker level (Lvl) measurement is automatically reduced by that amount. The Spectrum Analyzer’s Ref Level is automatically decreased by the same amount, so the trace position does not appear to change. Enter a negative value to indicate a loss (such as cable loss).
Chapter 4, Description of Fields Fields See Also “Measurement Triggering Process” in the Operating Overview chapter of the E8285A User’s Guide Disarm field description, on page 223 Screens Where Field is Present CDMA CELLULAR MOBILE RECEIVER TEST CDMA CELLULAR MOBILE TRANSMITTER TEST CDMA GATED POWER Attack Time This field displays the time period between the -20 and -3 dB points of the rising edge of an ensemble average of CDMA RF bursts.
Chapter 4, Description of Fields Fields Atten Hold Attenuator hold prevents the fixed RF output attenuators from switching in and out, eliminating the loss of the output signal as the level is changed. This function is helpful when making squelch measurements. Operating Considerations When this function is set to On, the RF output level is restricted to a range of 15 dB around the present Amplitude setting.
Chapter 4, Description of Fields Fields Audio Out Audio output coupling selects ac or dc coupling of the AF Generator to the AUDIO OUT connector. Operating Considerations This field should be set to DC for best results when using the AUDIO OUT connector and low data rates. Screens Where Field is Present DUPLEX TEST RF GENERATOR Authen This field turns CDMA authentication On or Off.
Chapter 4, Description of Fields Fields Authen Data Clear Selecting Clear removes any data present in the Authentication Data Table. GPIB Example CDMA:AUTH:DATA:CLE?” clears the Authentication Data Table.
Chapter 4, Description of Fields Fields Operating Considerations If the Authen field is Off, all Parameters displayed will be dashes (-), except for AUTH_MODE, which will be “0”. When the data that is currently displayed in the Authentication Data Table is queried, the returned string consists of 18 numeric values separated by commas. Each numeric value occupies a Data Position, and the format is shown in the table below.
Chapter 4, Description of Fields Fields Table 6 Reading the Authentication Data Table over GPIB Data Position Data Numeric Value 10 Expected RANDC Decimal 11 Received RANDC Decimal 12 RANDC Status 0=Passed 1=Failed 13 Expected COUNT Decimal If “Unknown”, the value 255 is returned 14 Received COUNT Decimal 15 COUNT Status 0=Passed 1=Failed 16 Expected AUTHU Decimal 17 Received AUTHU Decimal 18 AUTHU Status 0=Passed 1=Failed 173
Chapter 4, Description of Fields Fields Programming Example for Authentication Data Table 10 RE-SAVE "c:\E8285A\auth.
Chapter 4, Description of Fields Fields 370 END SELECT 380 !Evaluate the third data position, Registration Type 390 Reg_type$=Data$[Comma2+1,Comma3-1] 400 SELECT Reg_type$ 410 CASE "0" 420 430 PRINT "Registration Type: Timer" CASE "1" 440 450 PRINT "Registration Type:Power-up" CASE "2" 460 470 PRINT "Registration Type: Implicit" CASE "-1" 480 PRINT "No ""Registration Type"" returned" 490 END SELECT 500 STOP 510 END See Also "Authen" field on page 170 "Authen Data Clear" field on page
Chapter 4, Description of Fields Fields Authent This field is used to activate the authentication process within the Test Set. With this field set to On, the Test Set issues system parameter overhead messages including SPC WORD1, SPC WORD2, ACCESS, RandChalA, and RandChalB to the mobile station. The :AUTHentcate command instructs the Test Set to issue system parameter overhead messages with the AUTH bit set to one.
Chapter 4, Description of Fields Fields Autostart Test Procedure on Power-Up When set to On, this field automatically loads and runs the specified procedure whenever the Test Set is turned on. If this field is set to Off or the specified procedure cannot be loaded for any reason (such as, memory card not inserted, disk drive not connected), the Test Set will default to its normal power-on state.
Chapter 4, Description of Fields Fields Averages This field sets the number of power control groups (gated-on power periods) that will provide CDMA gated power measurement. this field is displayed when Main is selected in the "Controls (CDMA Gated Power)" field on page 211 GPIB Examples “DISP CGP;CDMA:GPOWer:NAVG 100” displays the CDMA GATED POWER screen and sets the Num Averages field to 100 averages.
Chapter 4, Description of Fields Fields The following list describes the purpose for each Agilent Technologies E8285A power measurement. For more detail, refer to the field description for the power measurement you choose. • Avg Power Avg Power (Average Power) displays the average power measured from all demodulated “on” power control groups transmitted by the mobile station under test. The specified amplitude range of this measurement is from -10 dBm to +40 dBm.
Chapter 4, Description of Fields Fields Average Power measurements are made using a factory-calibrated power detector.The detector measures power during the time that power control groups are gated on. Each Average Power measurement is computed from data taken during a 10 ms (one-half of one traffic frame) sampling period, ensuring that at least one out of the eight available power control groups in the half-frame will be gated on, even if the transmit data rate is 1200 bps.
Chapter 4, Description of Fields Fields AWGN This field controls the Additive White Gaussian Noise (AWGN) generator’s level. GPIB Examples “CDMA:AWGN:BWPower -75dBm” “CDMA:AWGN:STATe ON“ sets the AWGN generator’s level to −75 dBm. Operating Considerations AWGN is summed with Sector A power and Sector B power. The total power is displayed in the RF Power field. When AWGN is turned on, Eb/Nt will be displayed unless the Data Type field is set to Echo.
Chapter 4, Description of Fields Fields Band Class The Band Class field is displayed on the CDMA CALL CONTROL screen when the "Protocol" field on page 346 is set to TIA/EIA-95B and the "RF Chan Std" field on page 365 is set to USER-DEF. This field allows entry of the BAND_CLASS parameter. The range of values that can be entered in this field is 0 to 4. GPIB Example “DISP CCNT;CDMA:CELL:BCL 0“ sets the BAND_CLASS parameter to 0.
Chapter 4, Description of Fields Fields Screens Where Field is Present CDMA CALL CONTROL Base Freq (User Defined) The Base Frequency field sets the RF Generator reference for channel 0 (zero) when the RF Chan Std field is set to USER-DEF, and the RF Display field is set to Chan.
Chapter 4, Description of Fields Fields Base ID This field allows entry of the base station identification (BASE_ID). GPIB Example “DISP CCON;CDMA:CELL:CONFigure:BID 0“ sets the base identification of the simulated CDMA cell site to 0. Operating Considerations The mobile station acquires the BASE_ID when it receives the System Parameters Message from the Test Set.
Chapter 4, Description of Fields Fields BER Thresh The :BSETting command is used to control this field. The query form of the command (that is, :BSETting?) can be used to determine the current control channel setting.
Chapter 4, Description of Fields Fields Burst Time This field displays the time period between the -3 dB points of the trace representing the average power during an ensemble of CDMA RF bursts. This field will display a value only after a gated power measurement is made. GPIB Example “MEAS:GPOWer:BURSt:TIME?” queries the CDMA gated power burst time. Operating Considerations When a mobile station is operating in variable data rate transmission mode, the RF power is gated on during randomized 1.
Chapter 4, Description of Fields Fields BW= This field displays the resolution bandwidth of the CDMA spectrum analyzer. Operating Considerations This field is coupled to the Span field’s setting. Range of Values • 1 kHz • 3 kHz • 30 kHz Screens Where Field is Present CDMA REVERSE CHANNEL SPECTRUM by # errors When this field is On, the mobile station reports FER at least as often as the number of errors entered in the numeric entry portion below On/Off.
Chapter 4, Description of Fields Fields by # frames When this field is On, the mobile station will report FER at least as often as the mobile station’s frame counter cycles through the number of frames entered in the MS FER Report Interval field. GPIB Example “DISP CFER;CDMA:MOBile:FERasure:REPort:BY:FRAMes:STATe ’ON’“ causes the mobile station to report FER based on frame count.
Chapter 4, Description of Fields Fields Calling Name The Calling Name field is used to enter the instrument’s function (in upper-case letters). For example, PRINTER, POWER SUPPLY, DATA COLLECTION (disk drive), and so forth. Screens Where Field is Present TESTS (External Devices) Call Limit This field is used for measuring access probe power levels. • • Page ,-when a mobile or base originated call is attempted, the Test Set will not respond to access probes. In this state, a call cannot be connected.
Chapter 4, Description of Fields Fields Call Status The labels under Call Status are highlighted by annunciators. When lit, these annunciators indicate that an event took place or that a condition exists. The CDMA Status Condition Register bits that correspond with Call Status annunciators are shown in table 7. All call status annunciators can be queried over GPIB.
Chapter 4, Description of Fields Fields Carrier This field is displayed when Carrier is selected from the list of choices available when the unnamed field displaying one of the following choices is displayed: • • phase error measurement carrier feedthrough measurement GPIB Example “DISP CTXT;MEASure:CDManalyzer:CARrier:FEEDthrough?“ queries the carrier feedthrough measurement result.
Chapter 4, Description of Fields Fields CC Order The CC Order field is only visible when authentication is set to ON on the AUTHENTICATION screen and the Test Set is in the Active state. This field is used to send an order on the forward overhead control channel to the mobile station when authentication is turned on. There are two orders available: • • The SSD Update ensures that the data contained in the mobile station and the base station is identical.
Chapter 4, Description of Fields Fields Center Freq (CDMA) This field sets the center frequency of the CDMA spectrum analyzer. This field is displayed when the Controls field is set to Main and the RF Display field on the CONFIGURE screen is set to Freq. GPIB Example “RFAN:FREQ 850MHZ“ sets the center frequency to 850 MHz.
Chapter 4, Description of Fields Fields Chan: Chan: is divided into two fields: • The left-hand field displays the voice channel number assignment being used by the Test Set and the mobile station. A numeric value is only displayed when the Test Set’s Connected annunciator is lit (connected state). A “-” is displayed if a mobile station is not actively connected on a voice channel. This is a read only field. The :AVCNumber? query command is used to query the contents of the left-hand field.
Chapter 4, Description of Fields Fields Channel (CDMA to Analog or Interband Handoffs) This field allows entry of an analog voice channel for CDMA-to-analog handoffs, or a CDMA traffic channel for CDMA-to-CDMA hard handoffs. GPIB Example “CDMA:CALL:AHAN:CHAN 1” sets the Channel field to 1. Operating Considerations • During a CDMA-to-analog handoff, the Test Set commands the mobile station to retune to this analog voice channel.
Chapter 4, Description of Fields Fields Channel BW Use the channel bandwidth field to specify the bandwidth of the carrier and adjacent channels to be measured. (See figure 54 .) adchpwr1.wmf Figure 54 Relationship Between Tune Freq, Ch Offset, and Channel BW Fields Screens Where Field is Present ADJACENT CHANNEL POWER 196 S:\agilent\e8285\REFGUIDE\MANUAL\fields.
Chapter 4, Description of Fields Fields Chan Power This field allows you to choose the CDMA Channel Power, Average Power, or Access Probe Power measurements. The CDMA Channel Power Measurement can be made on a signal connected to the Test Set’s RF IN/OUT or ANTENNA IN connector. This measurement must be cross-calibrated to the Average Power Meter. See “Calibrating Channel Power Measurements” in the Calibrating the Test Set chapter of the E8285A Application Guide.
Chapter 4, Description of Fields Fields Operating Considerations for the Channel Power Measurement The cross-calibration process is performed by selecting the Power Meas, Calibrate field. Refer to “Calibrating the Test Set” in the Calibrating the Test Set chapter of the E8285A Application Guide.
Chapter 4, Description of Fields Fields Chan Std This field is displayed when TIA/EIA-95B is selected in the Protocol field and the System Type field, and is used during CDMA-to-CDMA (interband) handoffs. The selection made in this field will specify the interband handoff’s destination cell band and channel standard.
Chapter 4, Description of Fields Fields Check Digits This field displays the six A_Key check digits. Check digits are calculated when a valid ESN is entered in the MS Database field (usually through Registration). Check digits provide a method for checking the validity of A-Key numbers. See the A-Key Digits field description, on page 161 for more information. NOTE: Check digits are not affected by ESN when Kor PCS is selected in the Protocol field.
Chapter 4, Description of Fields Fields Ch Loc: The Ch Loc: field (NAMPS and NTACS system types only) sets the analog channel location that will be assigned to the mobile station by the Test Set as either an initial voice channel location or as a handoff channel location assignment.
Chapter 4, Description of Fields Fields Example OUTPUT 714;"CALLP:NTACS:CEXT:ACT?" OUTPUT 714;"CALLP:NTACS:CEXT:SETT ‘NARROW’" OUTPUT 714;"CALLP:NTACS:CEXT:SETT?" ENTER 714;Last_ord_sent$ Screens Where Field is Present CALL CONTROL Ch Offset Use the channel offset field to enter the frequency difference between the Tune Freq setting and the center of the adjacent channels you want to measure. This is an absolute value; only positive values can be entered. See figure 54 .
Chapter 4, Description of Fields Fields Closed Loop Pwr Cntl This field sets the power control mode. • NOTE: Open Loop mode causes the Test Set to send an alternating sequence of up/down power-control bits to the mobile station during periods when no other power-control operation is being performed.
Chapter 4, Description of Fields Fields Screens Where Field is Present CDMA TRANSMITTER POWER RANGE TEST Clr Scr This field is used to clear the IBASIC controller screen. Screens Where Field is Present TESTS (IBASIC Controller) CMAX The CMAX field sets the number of access channels in the system. This will determine how many channels must be scanned by the mobile station when trying to access the Test Set.
Chapter 4, Description of Fields Fields Cntl Chan The Cntl Channel field is an immediate action field. That is, whenever the :CCHannel command is sent, the change is reflected immediately in the physical configuration of the Test Set (the control channel is immediately deactivated, reconfigured, and then reactivated to reflect the change) and causes an immediate change to the current state of the Call Processing Subsystem (the state is set to Active).
Chapter 4, Description of Fields Fields Cntry Code This field sets the base station’s country code. This field is displayed when the field "Protocol" on page 346 has IS-95A, TSB-74, or J-STD-008 selected and the Esc Mode field is set to Off. GPIB Example “CDMA:CELL:CONF:BCC 2” sets the base station’s country code to 2. Operating Considerations The Test Set sends the base station country code in the MCC field of the Extended System Parameters Message.
Chapter 4, Description of Fields Fields Confidence This field sets the confidence coefficient for FER testing. GPIB Example “DISP CRXT;MEASure:CDManalyzer:FERasure:CONFidence:INTerval 95” sets a confidence coefficient of 95%. Operating Considerations When Confidence is on (a value is displayed in the Confidence field) and an FER measurement is made, the Test Set performs an interval estimate of the true FER.
Chapter 4, Description of Fields Fields Frame Errors FER Test Failed Continue testing Max Frames FER Test Passed Number of Frames Tested Range of values: floating point number 80 through 100 See Also FER Report (Clear) field description, on page 259 Test Status field description, on page 423 Screens Where Field is Present CDMA CELLULAR MOBILE RECEIVER TEST 208 S:\agilent\e8285\REFGUIDE\MANUAL\fields.
Chapter 4, Description of Fields Fields Connect (annunciator) When lit, the Connect annunciator indicates that the mobile station is connected to the Test Set on a voice channel. NOTE: When the CALL CONTROL screen is displayed and the Call Processing Subsystem is in the connected state (Connect annunciator is lit), the Test Set constantly monitors the mobile station’s transmitted carrier power. If the power falls below 0.
Chapter 4, Description of Fields Fields Connected (annunciator) This annunciator indicates that the Test Set and a mobile station have completed the signaling steps required to establish a CDMA call, and the Test Set has not had any indication that the call has ended or should end. • • For a Service Option 1 or Service Option 9 call to the mobile station (initiated by the Test Set), the mobile station must be answered before this annunciator will light.
Chapter 4, Description of Fields Fields Cont/Single This field specifies whether the oscilloscope is continuously triggered (Cont), or if it is only triggered each time Reset is selected (Single). Screens Where Field is Present OSCILLOSCOPE Controls (CDMA Gated Power) This field allows the user to select which of the CDMA gated power measurement menus will be displayed. Main Display CDMA Gen Traffic GPIB Example “CDMA:GPOWer:CONTrol ‘Main’“ selects Main from the CDMA GATED POWER screen Controls field.
Chapter 4, Description of Fields Fields Controls (CDMA Swept Power Measurement) This field allows the user to select which of the CDMA swept power measurement menus will be displayed. GPIB Example “CDMA:SWEPtpower:CONTrol ’Main’“ selects Main from the CDMA SWEPT POWER MEASUREMENT screen Controls field. Operating Considerations Select among the following: Main displays Swept Pwr and Ref Level. Trigger displays Amplitude and Slope. Display displays Marker Time, Trace, and Grid.
Chapter 4, Description of Fields Fields Controls (Oscilloscope) This field allows the user to select which of the oscilloscope’s menus is displayed. Main Trigger Marker Screens Where Field is Present OSCILLOSCOPE Controls (Spectrum Analyzer) This field allows the user to select which of the spectrum analyzer’s menus is displayed.
Chapter 4, Description of Fields Fields Screens Where Field is Present AF ANALYZER ANALOG MEAS DUPLEX TEST RX TEST TX TEST RF GENERATOR RF ANALYZER Data Length This field specifies the number of bits used for each word of serial data when using the rear-panel serial port. This setting is retained when the instrument is turned off. Screens Where Field is Present I/O CONFIGURE Data Mode This field allows you to select the data format for the User Data field. • • ASCII selects ASCII character entry.
Chapter 4, Description of Fields Fields See Also Encoding field description, on page 244 User Data (ASCII or Hex) field description, on page 443 Screen(s) Where Field is Present CDMA SHORT MESSAGE SERVICE Data Rate This field is displayed only when the Traffic Data Mode field is set to Svc Opt 2 or Svc Opt 9, or when the Traffic Data Mode field is set to Svc Opt 1, Svc Opt 3, or SO 32768 and the Data Type field is set to PRBS.
Chapter 4, Description of Fields Fields Screens Where Field is Present CDMA CALL CONTROL CDMA TRANSMITTER RANGE TEST CDMA CELLULAR MOBILE RECEIVER TEST CDMA CELLULAR MOBILE TRANSMITTER TEST Data Spec This field is used to determine how the contents of the signaling messages are built. • • NOTE: Std = Use the signaling formats defined in the applicable industry standard to build the forward control channel and forward voice channel signaling messages.
Chapter 4, Description of Fields Fields Syntax :DSPecifier <’><’> :DSPecifier? Example OUTPUT 714;"CALLP:DSP?" OUTPUT 714;"CALLP:DSP ’STD’" ENTER 714;Build_method$ Screens Where Field is Present CALL BIT Data Type This field selects the data type. This field appears only when Traffic Data Mode is set to Svc Opt 1, Svc Opt 3, or 32768. • • • • • PRBS - a pseudorandom bit sequence.
Chapter 4, Description of Fields Fields Date This field specifies the current date for the internal clock. The date can be read by a controller using GPIB and printed on test results. The format is MMDDYY (Month Day Year), using two digits for each term. When entering months January through September (01-09), the leading zero is not displayed when entered. Example; May 5, 1993 is entered as 050593, but is displayed as 50593. The internal clock still functions when the instrument is turned off.
Chapter 4, Description of Fields Fields DC Level When set to DC Level, this field displays the DC voltage entering at the DC input port on the back of the Test Set. This field is a one-of-many field used to select the type of measurement to be made by the Audio Frequency Analyzer on the audio signal being measured. See “Measure” in the GPIB Command Syntax chapter of the E8285A Condensed Programming Reference Guide for programming command syntax.
Chapter 4, Description of Fields Fields De-Emp Gain De-emphasis gain displays and selects the desired AF analyzer de-emphasis amplifier gain. See Also Gain Cntl field description, on page 268 Screens Where Field is Present AF ANALYZER De-Emphasis This field is used to select or bypass the 750 uSec de-emphasis filter network used to condition the audio signal before being analyzed by the Audio Frequency Analyzer.
Chapter 4, Description of Fields Fields Delet Ins This field allows you to delete an instrument from the list at the bottom of the screen. Use the knob, up-arrow, or down-arrow key to select the step where you want to delete an instrument. Screens Where Field is Present TESTS (External Devices) Delet Stp This field allows you to delete a step from the test list at the bottom of the screen.
Chapter 4, Description of Fields Fields Detector This field is used to select the type of detector used to measure the amplitude of the audio signal being analyzed by the Audio Frequency Analyzer. See “AF Analyzer” in the GPIB Command Syntax chapter of the E8285A Condensed Programming Reference Guide for programming command syntax. Detector Types RMS displays the RMS value of signals. RMS*SQRT2 displays the RMS value of a signal multiplied by 2 . Pk+ displays the positive peak value.
Chapter 4, Description of Fields Fields Disarm This field stops a measurement in progress. It is only displayed when the Meas Cntl field is set to Single. This field is not updated to show the Meas Cntl mode when the Test Set is operated remotely. GPIB Example “DISP CRXT;TRIGger:ASTate ’DISARM’“ stops a measurement in progress. Operating Considerations The ‘DISARM’ command does not prevent subsequent measurements from being triggered when the Test Set is in repetitive triggering mode.
Chapter 4, Description of Fields Fields Syntax :MODE <’><’> :MODE? :NDMMode <’><’> :NDMMode? Example OUTPUT 714;"CALLP:MODE ’DATA’" OUTPUT 714;"CALLP:MODE?" ENTER 714;Screen$ OUTPUT 714;"CALLP:NAMP:NDMMode ’NDATA’" OUTPUT 714;"CALLP:NAMP:NDMMode?" ENTER 714;Screen$ Setting the Display field to Data When the Display field is set to Data the top right-hand portion of the CALL CONTROL screen is used to display decoded data message(s) received from the mobile station on the reverse c
Chapter 4, Description of Fields Fields Figure 55 The CALL CONTROL Screen The messages are displayed in six non-labeled received data fields (that is, there is no field label on the display screen). The fields are named RCDD1 through RCDD6. The first and topmost field is RCDD1. The last and lowermost field is RCDD6. Figure 56 shows the position of the received data fields on the CALL CONTROL screen.
Chapter 4, Description of Fields Fields The control program queries these received data fields to obtain the displayed information strings. Information Strings Available From The Received Data Fields Table 9 lists the information strings available from the reverse control channel data messages received from the mobile station. The control program would query the appropriate received data field to obtain the displayed information string.
Chapter 4, Description of Fields Fields Table 9 Information Strings Available From Reverse Control Channel Reverse Control Channel Message Information Strings Displayed Displayed in Received Data Field Order Confirmation Message Phone Number ESN(dec) ESN(hex) Station Class Mark Authentication messages RCDD1 RCDD2 RCDD3 RCDD4 RCDD6 Origination Message Phone Number ESN(dec) ESN(hex) Station Class Mark Called Number Authentication messages RCDD1 RCDD2 RCDD3 RCDD4 RCDD5 RCDD6 Order Message Phone Nu
Chapter 4, Description of Fields Fields Reading The Received Data Fields To read the decoded data messages received from the mobile station on the reverse control channel or reverse voice channel or the raw data message bits displayed when a decoding error occurs, the control program queries one, some, or all of the six received data fields. The information in each field is returned exactly as displayed on the CRT. The information is returned to the control program as a quoted string (“This is an example.
Chapter 4, Description of Fields Fields Figure 57 CALL CONTROL Screen with Meas Selected For system type NAMPS the following parameters are measured when the Test Set is in the connect state. See Figure 58 .
Chapter 4, Description of Fields Fields Figure 58 CALL CONTROL Screen with NMeas Selected Reading The Modulation Quality Measurement Fields The MEAS selection brings some of the Test Set’s Audio Analyzer fields and some of the Test Set’s RF Analyzer fields onto the CALL CONTROL screen for the purpose of making modulation quality measurements on the mobile station’s RF carrier while on a voice channel.
Chapter 4, Description of Fields Fields Display Interim Results This field allows the display of the current FER, errors, and number of frames counted while a measurement is in progress. • • Yes displays periodic updates from the cell site’s processor. No display one measurement result at the end of the test. GPIB Example “DISP CRXT;DISPlay:FERasure:INTerim:RESults ’YES’“ displays interim FER results. Operating Considerations This field must have Yes selected to display interim results.
Chapter 4, Description of Fields Fields Display Word This field is used to select the desired reverse control channel or reverse voice channel message to be displayed. The :DATA command is used to control this field. The query form of the command (that is, :DATA?) can be used to determine which reverse control channel or reverse voice channel message is currently being displayed.
Chapter 4, Description of Fields Fields Display Word Choices AuthWORD Standard Equivalent: Word C - Authentication Word Message Fields: AUTHR, COUNT, F, NAWC, Parity, RANDC BSChalOrd Standard Equivalent: Word C - Base Station Challenge Word Message Fields: F, NAWC, Parity, RANDBS MRI Ord Standard Equivalent: MRI Order message Message Fields: AWC, DSCC, OE, Order, ORDQ, Parity, RSSI, RSVD, VMAC, T1T2 NRVC Ord Standard Equivalent: Narrow Order or Order Confirmation Message Message Fields: AWC, DSCC, Local, O
Chapter 4, Description of Fields Fields RECCW E Standard Equivalent: Word E - Second Word of the Called-Address Message Fields: F, Dig 9 through Dig 16, NAWC, Parity RVCBSChal Standard Equivalent: Word 2 - Reverse Voice Channel Base Station Challenge Order Message Fields: F, NAWC, Parity, RANDBS, T RVC Ord Standard Equivalent: Word one - Reverse Voice Channel Generic Order Message Fields: F, Local, NAWC, Order, ORDQ, Parity, RSVD, T RVCOrdCon Standard Equivalent: Reverse Voice Channel Order Confirmation Me
Chapter 4, Description of Fields Fields E This field displays the extended address word received from the mobile. • • Set to ‘1’ if the extended address word is sent. Set to ‘0’ if the extended address word is not sent. F This field displays the first word indication received from the mobile station. • • A ‘1’ indicates that this is the first word. A ‘0’ is displayed for all subsequent words. LOCAL This field displays the local control field. This field is specific to each system.
Chapter 4, Description of Fields Fields SCM This field displays the mobile station’s received station class mark. Serial This field displays the serial number of the mobile station. T This field displays the message type received from the mobile station. • • Set to ‘1’ to identify the message as an origination or an order. Set to ‘0’ to identify the message as an order response or page response.
Chapter 4, Description of Fields Fields Drop Intcpt This field is used to enter the parameter DROP_INTERCEPT. Refer to ANSI TIA/ EIA-95-B for additional details. This field is displayed only when TIA/EIA-95B is selected in the "Protocol" field on page 346. GPIB Example “DISP CMOB;CDMA:MOB:PARM:IDROp 4” enters 4 in the Drop Intcpt field. Operating Considerations This field setting, along with the "Soft Slope" field on page 400, modifies the way that the mobile station manages pilot sets.
Chapter 4, Description of Fields Fields Drop Timer This field turns the call drop timer on or off. • • On – the call drop timer is activated. If, during a call, the Test Set does not receive a signal from the MSUT for a period of 256 frames, the call is dropped. Off – the call drop timer is de-activated. GPIB Example “DISP CTXR;CDMA:CALL:DTIMER ‘OFF’”“ turns off the call drop timer.
Chapter 4, Description of Fields Fields DSAT On the analog CALL CONTROL screen, the DSAT: field is displayed only when the System Type field is set to NAMPS or NTACS. The DSAT: field is located in the Voice Channel Assignment field, and it is divided into subfields. The left-hand subfield displays the current DSAT control message being broadcast by the base station. • • A “-” is displayed if a mobile station is not actively connected on a voice channel or the Ch Loc: is set to Wide.
Chapter 4, Description of Fields Fields NOTE: Use the CALL CONTROL screen to set the DSAT sequence. Using the SIGNALING ENCODER screen to change the DSAT will cause dropped calls. The DSAT entered in this field is used in digital to analog handoffs. GPIB Example “CDMA:CALL:AHAN:DSAT’0 2556CB’“ sets the DSAT field to 0 2556CB.
Chapter 4, Description of Fields Fields DSAT Meas This field is displayed only when the System Type field is set to NAMPS or NTACS . This field is used to select what the signaling decoder will decode. The choices are: • • DSAT Data When DSAT is selected, the signaling decoder decodes DSAT (Digital Supervisory Audio Tone) transponded from the mobile station currently connected on a call.
Chapter 4, Description of Fields Fields Duplex Out This field is used to indicate losses or gains between the DUPLEX OUT port and the device-under-test. • Enter a positive value to indicate a gain (such as an amplifier gain). The RF Generator’s level is automatically set that amount below what is indicated in the RF Generator’s Amplitude field. (Example; if this value is 10 dB, and the Amplitude field shows 0 dBm, the actual level out this port is −10 dBm.
Chapter 4, Description of Fields Fields Eb/Nt This field is displayed when AWGN is “On” and the Data Type field on the CDMA CALL CONTROL screen or the CDMA CELLULAR MOBILE RECEIVER TEST screen to PRBS,1 kHz Tone, 400 Hz, or Chirp. GPIB Example “DISP CGEN;CDMA:STN?“ queries the Eb/Nt field. Operating Considerations To display a value for Eb/Nt, turn on AWGN and set the Data Type field on the CDMA CALL CONTROL screen or the CDMA CELLULAR MOBILE RECEIVER TEST screen to PRBS,1 kHz Tone, 400 Hz, or Chirp.
Chapter 4, Description of Fields Fields Encoding This field determines how the characters in the User Data field will be encoded in the SMS message. The choices currently available are: • • • Octet causes each character to be encoded as a byte (8-bits). 7-bit ASCII causes each character to be encoded in 7-bit lengths. Shift-JIS allows Kanji and Kana characters to be sent. Arib T53 must be selected in the Protocol field before this choice is available.
Chapter 4, Description of Fields Fields The encoding to be used by mobile stations for the Octet encoding type is unspecified in the IS-637 and TSB79 standards. While some mobile stations use ASCII encoding, others may use a different encoding or may not implement the Octet encoding type at all. Consequently, using ‘Octet’ encoding to send ASCII User Data to a mobile station may cause the mobile station to display the message using a different character set or not display a message at all.
Chapter 4, Description of Fields Fields 61626364656666768696A6B6C6D6E6F70 7172737475767778797A233536373839 Screens Where Field is Present CDMA SHORT MESSAGE SERVICE Enter Procedure Filename This field is used to enter the name of the file you want to save or delete. Operating Considerations When you save a procedure file, you can use any name with up to 9 characters. You can also delete previously-saved files to be able to resave a file using the same file name.
Chapter 4, Description of Fields Fields Operating Considerations The report interval is specified in terms of error count or frame count. See Also by # errors field description, on page 187 by # frames field description, on page 188 MS FER Report Interval field description, on page 308 Screens Where Field is Present CDMA MOBILE REPORTED FER Errors Counted This field displays the number of frame errors counted during or after an FER test.
Chapter 4, Description of Fields Fields Esc Mode This field is displayed when the field called "Protocol" on page 346 has IS-95A, TSB-74, or J-STD-008 selected. This field, when set to “On”, configures the Test Set as a base station that is compatible with any Country Code/Network Code combination that a mobile station is programmed with. • • On (enables escape mode) Off (disables escape mode) GPIB Example “CDMA:CELL:CONF:EMOD ‘On’” enables escape mode.
Chapter 4, Description of Fields Fields ESN (hex): This field displays the electronic serial number (ESN), in hexadecimal form, received from the mobile station on the reverse control channel in response to a forward control channel message. The ESN (hex): field is displayed only when the Display field is set to Data and a reverse control channel message containing this information has been decoded. Refer to the "Display" field on page 223 for information on how to read measurement results from this field.
Chapter 4, Description of Fields Fields Execute (Handoff) This field executes a CDMA-to-analog or CDMA-to-CDMA interband handoff. GPIB Example “DISP CCNT;CDMA:CALL:AHAN[:EXEC]” executes the handoff. Operating Considerations If AMPS (or any of the other analog systems) is selected in the System Type field, a CDMA to Analog handoff is executed. A CDMA call must be connected to execute a CDMA to Analog handoff.
Chapter 4, Description of Fields Fields Execute (Closed Loop Power Control Change) This field allows execution of n-up, n-down, or ramp power-control steps. GPIB Example “DISP CTXR;CDMA:PCONtrol:EXECute” causes the Test Set to output the selected number of steps in the direction selected in the Change field over the power control sub-channel. Operating Considerations When Execute is selected, the Test Set will begin sending power-control bits to the mobile station.
Chapter 4, Description of Fields Fields Expected PN Offset The values displayed in this column are the current Sector A and Sector B pilot PN Offsets. The mobile station should report pilot PN Offset values for each of its Active or Candidate set pilots whenever level thresholds are crossed that might indicate a change in pilot status. The mobile reported PN Offset values should exactly match one of the Expected PN Offset values, depending on the reported pilot (Sector A or Sector B).
Chapter 4, Description of Fields Fields Expected Strength The values displayed in this column are the expected pilot strength numbers the mobile station should be sending to the Test Set, based on the current ratio of pilot energy to RF power.
Chapter 4, Description of Fields Fields Expected T_Add This field is displayed only when TIA/EIA-95B is selected in the "Protocol" field on page 346. Refer to ANSI/TIA/EIA-95-B, 6.6.6.2.6, Set Maintenance, for additional information. This field displays an integer value representing a power level threshold. The Test Set calculates this threshold based on several field settings, included in the formula below.
Chapter 4, Description of Fields Fields Screens Where Field is Present CDMA MOBILE REPORTED PILOT STRENGTH Expected T_Drop This field is displayed only when TIS/EIA-95B is selected in the "Protocol" field on page 346. Refer to ANSI/TIA/EIA-95-B, 6.6.6.2.6, Set Maintenance, for additional information. This field displays an integer value representing an expected power level threshold.
Chapter 4, Description of Fields Fields External Disk Specification This field is used when storing and loading procedures on an external disk. Operating Considerations The GPIB path entered in the External Disk Specification field is used by the Select Procedure Location: field on the TESTS (Main Menu) screen when Disk is selected. Screens Where Field is Present TESTS (External Devices) Ext Load R External Load Resistance is used to calculate and display AF power.
Chapter 4, Description of Fields Fields Ext NGHB This field allows the user to select whether to enable the custom neighbor list, the Sc Priority field, and the NGHB Fq (Ch) field. GPIB Example “CDMA:CELL:CONF:EXNB ‘On’” enables or disables the custom neighbor list and associated fields. Operating Considerations This is an immediate action toggle field. If it is set to On, the Sc Priority field and the NGHB Fq (Ch) field appear on the screen, and the custom neighbor list is enabled.
Chapter 4, Description of Fields Fields GPIB Example “STATus:CDMA2:EVENt?” queries the CDMA_2 status event register. If bit 5 is set, the last gated power test passed. If bit 4 is set, the last gated power test failed. FER This field displays the current frame error rate (FER) measured by the Test Set. A Service Option 2 (mobile station data loopback) call must be connected before running an FER test. A measurement result will be displayed at the end of a test if Display Interim Results is No.
Chapter 4, Description of Fields Fields FER Report (Clear) This field allows the user to clear the Errors Reported and Frames Reported fields on the CDMA MOBILE REPORTED FER screen. GPIB Example “DISP CFER;CDMA:MOBile:FER:REPort:CLEar” clears the Errors Reported and Frames Reported fields. Screens Where Field is Present CDMA MOBILE REPORTED FER FER Spec This field allows entry of the specified frame error rate (FER) the Test Set will apply Confidence interval testing to.
Chapter 4, Description of Fields Fields FF at Start This field can only be controlled programmatically. It is used to specify if you want a form feed at the start of printing. Screens Where Field is Present TESTS (Printer Setup) PRINT CONFIGURE Filter 1 This field selects one of several standard or optional audio frequency filters which can be used to condition the audio signal before being analyzed by the Audio Frequency Analyzer.
Chapter 4, Description of Fields Fields Firmware This field displays the current firmware revision for your Test Set. The revision number is automatically changed when updated firmware is installed. Screens Where Field is Present CONFIGURE Flow Cntl This field selects from the following choices of flow control for the Serial Port currently selected. • • • None disables the Xon/Xoff function. Xon/Xoff lets the Test Set “talk/listen” to the transceiver to alter the rate of the data being sent.
Chapter 4, Description of Fields Fields FM Deviation This is the default measurement for this field. The FM Deviation field displays the frequency deviation between the FM signal and the carrier. The FM Deviation measurement field is only displayed when the AF Anl In field is set to FM Demod or FM Mod.
Chapter 4, Description of Fields Fields In addition, the post detection bandwidth is set at <20 Hz and >99 kHz in the Active, Register and Page states, and 300 Hz to 15 kHz when in the Connected state. This is done to ensure that no signaling tones are filtered off. This wide post detection bandwidth allows more noise to be introduced into the measurement process which affects the measured deviation.
Chapter 4, Description of Fields Fields Frames This field indicates the number of frames counted during the reporting interval. GPIB Example “DISP CFER;CDMA:MOBile:FERasure:ERRors?“ queries the number of frames counted by the mobile station during an FER report interval. Operating Considerations The reporting interval is specified in terms of error count or frame count.
Chapter 4, Description of Fields Fields Freq (Channel Information) Selecting this field displays the TESTS (Channel Information) screen.
Chapter 4, Description of Fields Fields Freq Error (Analog) This field displays frequency error when Freq Error is selected from the following list of choices available in an unnamed field at the top of the display: • • Freq Error Frequency GPIB Example “DISP DUPL;MEAS:RFR:SEL ‘Freq Error’” displays the Freq Error measurement field.
Chapter 4, Description of Fields Fields Frequency (Analog) This field displays transmitter frequency when a signal is present and Frequency is selected from the following list of choices available in an unnamed field at the top of the display: • • Freq Error Frequency GPIB Example “DISP DUPL;MEAS:RFR:SEL ‘Frequency’” displays the DUPLEX TEST screen and selects the Frequency measurement field. Operating Considerations This measurement area is used to display transmitter frequency.
Chapter 4, Description of Fields Fields Gate Time This field specifies how long the decoder analyzes a signal after it has been triggered. The longer the gate time, the greater the number of bits analyzed. Operating Considerations If the gate is too long, the decoder’s data buffer becomes full. A message is displayed instructing you to decrease the gate time. This function is not used with the NAMPS/NTACS RVC decoder.
Chapter 4, Description of Fields Fields NOTE: Decoder and Oscilloscope Interference: The AF autoranging function (Auto) takes a small amount of time to determine the attenuation settings for the AF Analyzer. If you are decoding an encoded signal, and your transmitter begins sending encoded information the instant it transmits, the initial encoded information may not be decoded during the autoranging process.
Chapter 4, Description of Fields Fields Grid (CDMA Swept Power Measurement) This field allows the user to superimpose a grid over the display on the screen. GPIB Example “CDMA:SWEPtpower:GRID ‘On’” sets the grid to on or off. Operating Considerations Select On to enable the grid; select Off to disable the grid. The default is On. The dashed grid lines represent the time scale on the X axis and the relative level scale on the Y axis.
Chapter 4, Description of Fields Fields Handoff This field is displays the choice of signaling events that will occur when the Execute field is selected. At the time of this printing, Handoff was the only choice available. • Handoff (CDMA to Analog Call Control handoff) GPIB Example “DISP CCNT;CDMA:CALL:AHAN:[EXEC]“ executes a CDMA to Analog handoff. Operating Considerations A CDMA to Analog handoff to the voice channel selected in the Channel field is performed when the Execute field is selected.
Chapter 4, Description of Fields Fields GPIB Adrs This field is used to display and change the GPIB address of the Test Set. Operating Considerations The address can be set from 0 to 30 by using the DATA keys, or by pushing and then turning the cursor-control knob. This setting is retained when the instrument is turned off. Screens Where Field is Present I/O CONFIGURE IBASIC Echo This field enables/disables screen and error message echoing from IBASIC.
Chapter 4, Description of Fields Fields Ideal Mobile Power This field displays the power level that a mobile station on a call should be transmitting to the Test Set. The value displayed for Ideal Mobile Power should closely match the measured value for Average or Channel Power, providing the following conditions are met: • • • • • • The Average Power measurement is zeroed, if you are making an Average Power measurement.
Chapter 4, Description of Fields Fields IF Filter This field selects the desired IF filter bandwidth for modulated signals being analyzed. Screens Where Field is Present TX TEST DUPLEX TEST RF ANALYZER If Unit-Under-Test Fails This field selects what happens if the measured results do not meet criteria for passing the current test. The underlined entry is the active choice. • Continue continues with testing even though a test in the test sequence fails to meet its test specification limits.
Chapter 4, Description of Fields Fields Input Att Input Att sets the amount of input attenuation for the RF IN/OUT and ANTENNA IN connectors. The Input Att field displays the present attenuation value, and it is used to set the desired attenuation level. The :CRFAttenuator command is used to control this field. The query form (that is, :CRFAttenuator?) can be used to query the current field value.
Chapter 4, Description of Fields Fields Input Atten Input Attenuation sets the amount of input attenuation for the RF IN/OUT and ANTENNA IN connectors. This function controls two settings: • The upper field determines if you want the instrument to set the attenuation automatically (Auto), or if you want to set the value manually (Hold). • The lower field displays the present attenuation value, and is used to set the desired attenuation level when the upper area is set to Hold.
Chapter 4, Description of Fields Fields Range of Values for Hold in CDMA SWEPT POWER MEASUREMENT Screen • • • • • • • • 0 dB 5 dB 10 dB 15 dB 20 dB 25 dB 30 dB 35 dB Screens Where Field is Present ADJACENT CHANNEL POWER CONFIGURE RF ANALYZER SPECTRUM ANALYZER CDMA REVERSE CHANNEL SPECTRUM CDMA SWEPT POWER MEASUREMENT (When the Controls field is set to Auxiliary) Input Gain This field displays and selects the gain of the AF Analyzer’s input amplifier. Refer to the "Gain Cntl" field on page 268.
Chapter 4, Description of Fields Fields Input Port This field selects the RF IN or ANTENNA IN port for making RF measurements. Operating Considerations Maximum power levels for each port are printed on the Test Set’s front panel. If the RF power at the RF IN/OUT port exceeds allowable limits, a warning signal sounds and a message appears at the top of the screen.
Chapter 4, Description of Fields Fields Insert Ch This field allows you to enter a new channel in frequency table at the bottom of the screen. Operating Considerations You are required to specify if the test channel is a prime test channel. Prime test channels are the radio channels primarily used by the radio operator; they are the channels you are the most concerned about testing.
Chapter 4, Description of Fields Fields Insrt Stp This field allows you to enter a step in the test list at the bottom of the screen. Operating Considerations When inserting a new test, you must select the Step# where you want to insert a new test. When inserted, the new test forces the current test (at that step #) down one step, and a duplicate of the current test is inserted. This duplicate is overwritten when the new test is selected.
Chapter 4, Description of Fields Fields Internal This field selects the trigger source. • • • Internal uses the signal being displayed for triggering. External uses the rear-panel EXT SCOPE TRIGGER INPUT for triggering. This is a TTL level trigger (approximately 2.5 V). ENCODER uses the signaling encoder for triggering. The encoder must be sending its signal to trigger the oscilloscope.
Chapter 4, Description of Fields Fields NOTE: If no values are displayed in the CDMA Mobile Reporting table, the query example shown above will return only the line feed character.
Chapter 4, Description of Fields Fields Level (div) This control is divided into two fields: The upper field (0.00) sets the internal trigger level as a function of vertical divisions. The trigger level is indicated by small pointers that appear on each side of the screen (only used for internal triggering). The lower field (Pos/Neg) specifies whether triggering happens when the waveform being measured is positive-going (Pos), or negative-going (Neg).
Chapter 4, Description of Fields Fields Lower Limit This field is used to set the lower limit to be compared with the measured results. If the measured result is below this limit, the test will fail. Screens Where Field is Present TESTS (Pass/Fail Limits) Lvl (CDMA Gated Power) This field displays the level at the CDMA gated power measurement marker, relative to the measurement’s ensemble average output power. GPIB Example “MEAS:GPOWer:MARKer:LEVel?“ queries the level at the current marker position.
Chapter 4, Description of Fields Fields Lvl (Open Loop Time Response) This field displays the level at the open loop time response measurement marker, relative to the measurement’s 0 dB point (referenced to the mobile station’s output level before the test set’s output power was stepped up or down.) GPIB Example “MEAS:OLTR:MARKer:LEVel?“ queries the level at the current marker position.
Chapter 4, Description of Fields Fields Marker: Freq Marker frequency displays the frequency at the marker’s present position. GPIB Example “DISP CSP;MEAS:CSP:MARK:FREQ?“ queries the frequency at the marker’s present position. Operating Considerations The marker can be positioned using the Marker Pos field. Screens Where Field is Present SPECTRUM ANALYZER CDMA REVERSE CHANNEL SPECTRUM Marker Lvl (CDMA Swept Power Measurement) This field displays the signal level of the current marker position.
Chapter 4, Description of Fields Fields Marker: Lvl This measurement field displays the signal level of the current marker position. GPIB Example “DISP CSP;MEAS:CSP:MARK:LEV?“ queries the amplitude at the marker’s present position. Operating Considerations The unit-of-measure for this field is dependent on the source of the signal being measured. For instance; when measuring a signal from the AUDIO IN connector, the amplitude is measured in Volts.
Chapter 4, Description of Fields Fields Marker: Norm/Delta This measurement field selects whether an additional marker is displayed to allow delta values to be returned. • • Norm displays the Normal marker Delta displays the Normal marker, a Delta marker, and causes marker control to transfer to the Delta marker. GPIB Example “DISP SAN;SANalyzer:MARKer:MODE ‘DELTa’” selects Delta in this field. “DISP SAN;MEAS:SANalyzer:MARKer:DELTa:FREQuency? queries the difference in frequency between the two markers.
Chapter 4, Description of Fields Fields Marker Pos (CDMA Reverse Channel Spectrum) This field is displayed when the Controls field is set to Marker. This field sets the marker’s position, referenced to the left side of the display. GPIB Example “DISP CSP;CSP:MARKer:POSition 5.0“ positions the marker in the center of the display. Operating Considerations The position is settable in units of divisions.
Chapter 4, Description of Fields Fields Marker Time (Open Loop Time Response) This field is displayed when the Controls field on the OPEN LOOP TIME RESPONSE screen is set to Display. This field sets the marker’s position in milliseconds, referenced to the time alignment of the step change in the Test Set’s output power. GPIB Example “CDMA:OLTR:MARKer:TIME 0“ positions the marker at 0 milliseconds.
Chapter 4, Description of Fields Fields Marker To: Peak+ causes the marker to move to the maximum value of the average level measured on the display. Peak− causes the marker to move to the minimum value of the average level measured on the display. Because these functions look at the average value for each displayed pixel, the marker may not appear directly on the displayed peak of a noisy signal.
Chapter 4, Description of Fields Fields Mask Type This field is used to select the power versus time mask used during gated power measurements to determine pass/fail results. • Original selects the mask specified by test standards IS-98A and TIA/EIA-98B. • TIA/EIA-98-C selects the mask specified by test standard TIA/EIA-98C. Screens Where Field is Present CDMA GATED POWER (when Display is selected from the Controls field.) Max Frames This field sets the maximum frame count for each FER test.
Chapter 4, Description of Fields Fields Max Power The value shown under the Max Power label in the upper left portion of the display is the maximum power measurement result obtained the last time a Min/ Max Power measurement was executed. GPIB Example “DISP CTXR;MEASure:CDManalyzer:MMPower:[EXECute]” executes a Min/Max Power measurement. “DISP CCNT;CDMA:MOBile:POWer:MAXimum?“ queries the Max Power measurement value.
Chapter 4, Description of Fields Fields Max Req Seq, Max Rsp Seq This field allows simultaneous entry of the maximum number of access probe sequences for an access channel request and the maximum number of access probe sequences for an access channel response (MAX_REQ_SEQ or MAX_RSP_SEQ). These are separate parameters in the CDMA specification but the Test Set sets both parameters to a single value. GPIB Example “DISP CCON;CDMA:CELL:CONFigure:MAXReqrspseq 3“ sets both parameters to 3.
Chapter 4, Description of Fields Fields Meas Cntl This field allows the selection of either single or continuous measurements. • • Single causes a measurement to be made each time the Arm field is selected. Cont causes measurements to re-arm automatically until Single is selected or the call is terminated. GPIB Example “DISP CRXT;TRIGger:MODE:RETRigger SINGle“ sets the measurement mode to single. Operating Considerations During remote operation, the default measurement-control setting is continuous.
Chapter 4, Description of Fields Fields Mic Pre-Emp Microphone pre-emphasis determines whether the modulating signal from the MIC/ACC connector goes through or bypasses the 750 ms pre-emphasis network. Two fields are used: • The upper field is used to specify whether you want the instrument to automatically turn pre-emphasis on during FM operation and off for other modulations (Auto), or to leave the pre-emphasis switching to the user’s operation (Hold).
Chapter 4, Description of Fields Fields Then, to measure maximum power, the Test Set sets Sector A power to -104 dBm/ BW, turns the Call Drop Timer “Off”, and sends “Always Up” power control bits to the mobile station, using a procedure similar to the EIA/TIA IS-98 test “Maximum RF Output Power”. An Average Power measurement is made, and the Test Set is returned to closed loop power control mode.
Chapter 4, Description of Fields Fields Then, to measure maximum power, the Test Set sets Sector A power to -104 dBm/ BW, turns the Call Drop Timer “Off”, and sends “Always Up” power control bits to the mobile station, using a procedure similar to the EIA/TIA IS-98 test “Maximum RF Output Power”. An Average Power measurement is made, and the Test Set is returned to closed loop power control mode.
Chapter 4, Description of Fields Fields Mobile Power Mode This field allows selection between two CDMA Channel Power measurement modes, providing for Channel Power measurements without a call connected. The choices available are: • • Normal (call connected) User (requires user to enter mobile power into Mobile Pwr field) When “User” is selected, the Mobile Pwr field is displayed below it.
Chapter 4, Description of Fields Fields Mobile Pwr This field is displayed when the Mobile Power Mode field is set to “User”. When this field is displayed, the Test Set requires an estimated mobile station power level to make CDMA Channel Power measurements. GPIB Example “DISP CTXR;CDMA:MOBile:POWer:MODE ‘User’;MPOWer 0“ selects CDMA power measurements without a call connected, and enters an estimated mobile power level of 0 dBm.
Chapter 4, Description of Fields Fields Model: This field is used to specify the type of printer used. If your printer is not listed in the Choices menu when you select this field, configure your printer to emulate one of those that is listed. Screens Where Field is Present TESTS (Printer Setup) PRINT CONFIGURE Mod In To This modulation input field defines how an external modulation source is used with the RF Generator.
Chapter 4, Description of Fields Fields MS Id This field is used to enter the identification number of the mobile station. The MS Id field has two fields. The content of the lower field is automatically updated upon successful completion of a mobile station registration. The upper field is a one-of-many selection field and is used to select the format for entering the identification number. The :NMODe command is used to set the upper field.
Chapter 4, Description of Fields Fields Example OUTPUT 714;"CALLP:NMOD ’PHONE NUM’" OUTPUT 714;"CALLP:PNUM ’5099906092’" OUTPUT 714;"CALLP:NMOD ’MIN’" OUTPUT 714;"CALLP:MIN ’1F2DE5BD5’" OUTPUT 714;"CALLP:NMOD?" ENTER 714;Number_mode$ Screens Where Field is Present CALL CONTROL MS Ack Cause Code: This field displays the value of the cause code if the mobile station sent one. GPIB Example “CDMA:SMS:TERM:DATA:CCOD:VAL?” queries the MS Ack Cause Code field.
Chapter 4, Description of Fields Fields Table 13 Integers and Text Messages Integer Value Displayed in MS Ack Cause Code Field Text Message no value displayed blank field 32 No page response 33 Destination busy 34 No acknowledgment 35 Destination resource shortage 36 SMS delivery postponed 37 Destination out of service 38 Destination not at this address 39 Other terminal problem 96 Encoding problem 97 SMS origination denied 98 SMS termination denied 99 Service not supported 100
Chapter 4, Description of Fields Fields MS Ack Rcvd (annunciator) If the mobile station successfully receives the SMS message, it sends an SMS received acknowledgment to the Test Set, lighting the MS Ack Received annunciator. GPIB Example “STAT:CSMS:EVEN?” queries the CDMA SMS Status Register Event Register. A BCD value of 2 is assigned to the MS Ack Received status bit. Operating Considerations When the SMS message acknowledgment is received by the Test Set, the SMS In Progress annunciator will go out.
Chapter 4, Description of Fields Fields MS Database This field displays information obtained from the mobile station during registration. Depending on the settings of the Protocol field and the RF Channel Std field, some combination of the following modes are available, with ESN as the default displayed parameter. • • • • • • • • • • • • • • • ESN - Electronic Serial Number, a permanent, physical attribute of the mobile station.
Chapter 4, Description of Fields Fields • • • Pwr Step - MIN_PWR_CNTL_STEP. Minimum closed loop power control step size supported by mobile station. Possible values are: 1 dB, 0.5 dB, or 0.25 dB (message parameters 0, 1, 2 respectively). Displayed when TIA/EIA-95B is selected in the "Protocol" field on page 346 Called Num - The number dialed on the mobile station handset during the last mobile station originated call.
Chapter 4, Description of Fields Fields MS FER Report Interval This field sets the number of frames the mobile station will count before reporting frame error rate (FER) when the by # frames field is On. GPIB Example “DISP CFER;CDMA:MOBile:FERasure:REPort:INTerval’160 FRAMES’“ sets the mobile station’s FER report interval to 160 frames. Operating Considerations This setting may affect FER measurement speed and will affect the display rate of the MS FER Report field.
Chapter 4, Description of Fields Fields GPIB Examples “DISP CCNT;CDMA:MOBile:MSID ‘AUTO’“ selects “automatic” entry of the mobile station’s MIN and Phone Number through registration. “DISP CCNT;CDMA:MOBile:MSID ‘Phone Num’“ enters a mode whereby the Test Set uses the Phone Number number entered by the user, and ignores phone numbers obtained during registration.
Chapter 4, Description of Fields Fields Network ID This field allows entry of the cell site’s network identification (NID). GPIB Example “DISP CCON;CDMA:CELL:CONFigure:NID 0“ sets the network identification of the simulated CDMA cell site to 0. Operating Considerations The mobile station stores the NID number it receives from the cell site and compares it with its home NID to determine if it is roaming.
Chapter 4, Description of Fields Fields NGHB Fq (Ch) This field allows the user to specify the NGHBR_FREQ in sending the (Extended Neighbor List Message (ENLM). GPIB Example “CDMA:CELL:CONF:NBFR 243” sets the neighbor frequency channel number in the custom neighbor list. Operating Considerations Enter the channel number of the neighbor frequency. The Test Set compares the channel number with the band specified in the RF Chan Std field on the CDMA CALL CONTROL screen.
Chapter 4, Description of Fields Fields Nom Power This field allows entry of the nominal transmit power offset (NOM_PWR). GPIB Example “DISP CCON;CDMA:CELL:CONFigure:NOMinal:POWer 0“ sets NOM_PWR to 0. Operating Considerations Nom Power is an adjustment to the mobile station’s open loop power level. The mobile station obtains this value prior to transmitting, as part of the Access Parameters Message.
Chapter 4, Description of Fields Fields No Pk/Avg This field is displayed when the Controls field is set to Auxiliary. This field performs two functions: peak hold, and video averaging. Pk Hold (peak hold) prevents the Spectrum Analyzer from erasing the previous trace each time it sweeps. This causes the traces to ‘build-up’ on the screen until Off, No Pk/Avg or the Meas reset key is selected. This allows the capture of transient signals that are not displayed long enough to view during normal operation.
Chapter 4, Description of Fields Fields Normalize This field is displayed when the Controls field is set to Auxiliary. This area performs three display operations: • Save B saves the currently-displayed trace for the A-B operation. • A only provides a continuously-updated display (the “normal” mode of operation). • A-B displays the difference between the trace saved using Save B and the currentlydisplayed trace. The comparison can yield either losses or gains in amplitude.
Chapter 4, Description of Fields Fields Notch Freq This field sets the center frequency for the variable frequency notch filter. It is typically used for distortion and SINAD measurements at frequencies below or above the standard 1 kHz notch filter. This field is not displayed if your Test Set does not have this feature. Operating Considerations When the Notch Coupl field on the CONFIGURE screen is set to AFGen1, this filter and the AFGen1 Freq field match their settings.
Chapter 4, Description of Fields Fields Notch Coupl This field selects if the Notch Freq setting of the AF ANALYZER screen is coupled to the AF Gen1 Freq setting. When set to None, the notch filter and AF Generator 1 do not interact.
Chapter 4, Description of Fields Fields Num Pages This field allows entry of the number of page attempts the Test Set will perform when a call is made from the Test Set. The power-up or preset default value is one page attempt. GPIB Example “CDMA:CELL:CONF:NPAG 2“ sets the Num Pages field to two. Operating Considerations Multiple pages (two or three) should only be selected when testing non-slottedmode mobile stations.
Chapter 4, Description of Fields Fields OCNS (Sector A Power) This field displays OCNS (Orthogonal Channel Noise Simulator). The Walsh code can be specified for OCNS, but OCNS power is not settable. GPIB Example “DISP CGEN;CDMA:CELL:ASECtor:ORTHogonal:POWer?“ queries the relative power level of the Sector A OCNS source. “DISP CGEN;CDMA:CELL:ASECtor:ORTHogonal:WALSh 17“ sets the OCNS Walsh code to 17.
Chapter 4, Description of Fields Fields OCNS (Sector B Power) This field displays Orthogonal Channel Noise Simulator (OCNS). The Walsh Code can also be specified for OCNS, but OCNS power is not settable. GPIB Example “DISP CGEN;CDMA:CELL:BSECtor:ORTHogonal:POWer?“ queries the relative power level of the Sector B OCNS source. “DISP CGEN;CDMA:CELL:BSECtor:ORTHogonal:WALSh 17“ sets the Walsh code for the OCNS to 17.
Chapter 4, Description of Fields Fields Open Loop Time Response (Execute) This field is displayed on the OPEN LOOP TIME RESPONSE screen when “Main” is selected in the "Controls (Open Loop Time Response)" field on page 212. Selecting this field executes a time response to open loop power control test. GPIB Example “MEAS:CDManalyzer:OLTR:EXECute” executes a time response to open loop power control test.
Chapter 4, Description of Fields Fields Order This field is used to send an order type mobile station control message on the forward voice channel to the mobile station. The orders available are: • • • • Change Power to Power Level 0 - 7 Maintenance (put the mobile station in maintenance mode) Alert (alert the mobile station) MRI (mobile reported interference) request (NAMPS system type only) The ORDER field is updated with two separate GPIB commands depending on the selected system type.
Chapter 4, Description of Fields Fields Syntax :NORDer <’><’> :NORDer? Example OUTPUT 714;"CALLP:NAMPS:NORD ’MRI’" OUTPUT 714;"CALLP:NAMPS:NORD ’Chng PL0’" OUTPUT 714;"CALLP:NAMPS:NORD?" ENTER 714;Last_ord_sent$ Screens Where Field is Present CALL CONTROL Orig Addr This field allows entry of an originating phone’s address, identified by its phone number, which the mobile station will use when acknowledging reception of a SMS message.
Chapter 4, Description of Fields Fields Output Atten Hold This field, when set to On, prevents the output attenuators in the Test Set from switching in and out, avoiding temporary loss of the output signal as the RF Power level is changed. • • On Off GPIB Example “RFG:ATT ‘On’” holds the output attenuators.
Chapter 4, Description of Fields Fields Output Port This field selects the RF output port on the Test Set. • • RF Out selects the RF IN/OUT port on the Test Set’s front panel and displays the RF Out field for entering CDMA forward channel path loss. Dupl selects the DUPLEX OUT port on the Test Set’s front panel and displays the Duplex Out field for entering CDMA forward channel path loss. GPIB Example “CONF:OUTP ‘Rf Out’” selects the RF Output port.
Chapter 4, Description of Fields Fields Output Results To This field selects where test results are output. The underlined entry is the active choice. • CRT displays test results on the Test Set’s CRT. • Printer displays test results on the Test Set’s CRT and outputs them to a printer. (The printer information must first be entered on the TESTS (Printer Setup) screen.
Chapter 4, Description of Fields Fields Page (annunciator) When lit, the Page annunciator indicates that the mobile station connected to the Test Set is currently being paged on the forward control channel. The Page annunciator is not programmable. The state of the Page annunciator is reflected in the Call Processing Status Register Group Condition Register bit 3. See “Call Processing Status Register Goup” in the Status Reporting chapter of the E8285A User’s Guide for further information.
Chapter 4, Description of Fields Fields Page Send This field is used to specify the message(s) to be sent on the paging channel. GPIB Example “CDMA:CELL:CONF:PAGE:SNDMode ‘AO-AK/ GP’” specifies the message(s) to be sent. Operating Considerations Select among the following to specify the message or messages: None – Only overhead message sent. AO-AK – Audit Order message requiring AcKnowledgement. AO-NA – Audit Order message Not requiring Acknowledgement. GP – General Page message.
Chapter 4, Description of Fields Fields Page Sent (annunciator) This annunciator lights when the Call/Page key is pressed. If the call proceeds to connected, the Page Sent annunciator remains lit until the call is terminated. This annunciator will not remain lit if an attempted call is unsuccessful. GPIB Example “DISP CCNT;STATus:CDMA:COND?” queries the CDMA condition register. Bit 1 will be set when the Page Sent annunciator is lit.
Chapter 4, Description of Fields Fields Pam Size This field allows entry of the access channel preamble length (PAM_SZ). GPIB Example “DISP CCON;CDMA:CELL:CONFigure:PAMSize 10“ sets PAM_SZ to 10. Operating Considerations This field sets the length of the access probe preamble. An access probe is composed of the access channel preamble followed by the access channel message capsule. The access channel preamble length is expressed in units of 20 millisecond frames.
Chapter 4, Description of Fields Fields Parity This field specifies the serial communication parity setting when using the rearpanel serial port. This setting is retained when the instrument is turned off. Screens Where Field is Present I/O CONFIGURE The time response to open loop power control tests the mobile station’s response to a step change in the Test Set’s output power. GPIB Example “STATus:OLTR:EVENt?” queries the Open Loop Time Response status event register.
Chapter 4, Description of Fields Fields PCMCIA This field provides re-formatting of PCMCIA cards. GPIB Example “DISP IOC;:CONFigure:PCMCia:CARD:STATus?“ displays the I/O CONFIGURE screen and queries the current status of the PCMICA card slot (No card or card inserted. Operating Considerations This field will format a PCMCIA card using the DOS formatting system. It will only format the first megabyte of memory, so if a 2 MByte card is inserted, only 1 MByte will be usable.
Chapter 4, Description of Fields Fields Phs Error This field is displayed when Freq Error is selected from the list of choices available when the unnamed field displaying one of the following choices is displayed: • • phase error measurement carrier feedthrough measurement GPIB Example “DISP CTXT;CDMA:RHO:MEAS:PERR ‘Phs Error’” selects phase error from the list of choices. “DISP CTXT;MEASure:CDManalyzer:PHASe:ERRor?“ queries the phase error measurement result.
Chapter 4, Description of Fields Fields Pilot (Sector A Power) This field allows the entry of pilot Ec, the pilot channel energy per PN chip relative to the Sector A power. GPIB Example “DISP CGEN;CDMA:CELL:ASECtor:PILot:POWer -7dB“ sets Sector A pilot power to −7 dB. Operating Considerations As the pilot level is varied, OCNS is automatically adjusted so that the total power levels of pilot, sync, paging, traffic, and OCNS add up to Sector A power, Ior.
Chapter 4, Description of Fields Fields Pilot Inc This field allows entry of the increment between the pilot PN offsets of the Neighbor Set pilots. When a mobile station finds CDMA service from the Test Set it is assigned seven Neighbor Set pilots in the Neighbor List Message. The Test Set assigns the first Neighbor Set pilot to the same PN offset as Sector B (this value is displayed on the CDMA Generator Control screen).
Chapter 4, Description of Fields Fields Pilot Meas (Clear) The Pilot Meas (Clear) field clears the contents of the CDMA Mobile Reporting table. GPIB Examples “DISP CMOB;CDMA:MOBile:PILot:CLEar“ clears the contents of the CDMA Mobile Reporting table. Operating Considerations All numbers displayed in the CDMA Mobile Reporting table reflect the last pilot strength message received from a mobile station.
Chapter 4, Description of Fields Fields PN Offset This column in the CDMA Mobile Reporting table lists the PN Offsets for all pilots being tracked by the mobile station. All numbers displayed in the CDMA Mobile Reporting table reflect the last pilot strength message received from a mobile station.
Chapter 4, Description of Fields Fields Programming Example 10 ! RE-STORE "C:\WENDYL\READ_MRT" 20 CLEAR SCREEN 30 DIM Pil_str$[500] 40 OUTPUT 714;"CDMA:MOB:PIL:STR?" 50 ENTER 714;Pil_str$ 60 Length=LEN(Pil_str$) 70 Num_pn=(Length+1) DIV 68 !Determine number of Pilots in the table 80 FOR I=1 TO Num_pn 100 PRINT "Pilot";I;"status is ";Stat(I) 110 Pnofst(I)=VAL(Pil_str$[18;16]) 120 PRINT "Pilot";I;"PN Offset is";Pnofst(I) 130 Str(I)=VAL(Pil_str$[35;16]) 140 PRINT "Pilot";I;"pilot strength is ";Str(I)150 Keep(
Chapter 4, Description of Fields Fields PN Offset (Sector A Power) This field allows entry of the PN sequence offset for all Sector A code channels. GPIB Example “DISP CGEN;CDMA:CELL:ASECtor:PNOFfset 0“ sets the pilot PN offset index to 0. Operating Considerations The PN offset is relative to the Test Set’s even-second clock. Allowable values include 0 through 511, excluding the PN Offset for Sector B.
Chapter 4, Description of Fields Fields Port/Sweep This control performs two functions: • The upper field specifies the output port of the Tracking Generator. • The lower field specifies whether the Tracking Generator sweeps from low-to-high frequencies (Norm), or from high-to-low frequencies (Invert). (The Spectrum Analyzer always sweeps from low to high frequencies.) The swept frequency range is determined by the Span setting in the Spectrum Analyzer’s Main Menu.
Chapter 4, Description of Fields Fields Power Cntl Step Size This field is displayed only when the "Protocol" field on page 346 is set to TIA/ EIA-95B. This field allows entry of the following closed loop power control step sizes: • • • 1 dB 0.5 dB 0.25 dB Operating Considerations, The power control step size entered in this field must not be less than the minimum step size supported by the mobile station under test.
Chapter 4, Description of Fields Fields Power Meas This field provides Average Power zeroing (when Average Power is selected) and Channel Power calibration (when Channel Power is selected). • Calibrate Refer to the Chan Power field description, on page 197. • Zero Refer to the Avg Power field description, on page 178. GPIB Example “CDMA:TX:POW:MEAS ‘Chan Power’;:MEAS:CDM:CHAN:CAL“ selects and calibrates the Channel Power measurement.
Chapter 4, Description of Fields Fields Screens Where Field is Present CDMA CALL CONTROL CDMA TRANSMITTER POWER RANGE TEST CDMA CELLULAR MOBILE TRANSMITTER TEST Power Step This field allows entry of the power increment (PWR_STEP). GPIB Example “DISP CCON;CDMA:CELL:CONFigure:STEP:POWer 0“ sets PWR_STEP to 0. Operating Considerations This field specifies the step increase in transmit power between each access probe within an access probe sequence from a mobile station.
Chapter 4, Description of Fields Fields Print Data Destination This field will be used in the future to select whether the data is formatted specifically for printers or for some other device (such as a computer). At this time the only selection is Printer. Screens Where Field is Present PRINT CONFIGURE Printer Address This field is used to specify the address of a GPIB printer. This field is only displayed if the Printer Port field is set to GPIB.
Chapter 4, Description of Fields Fields Priority This field sets the Priority Indicator parameter in SMS messages. None Normal Interactive Urgent Emergency GPIB Example "CDMA:SMS:TERM:PRI ‘Urgent’" sets the Priority parameter to “Urgent”. Operating Considerations Each of these choices represent different levels of call priority. Refer to TIA/EIA IS-637 for detailed information about the Priority Indicator and its effect on the operation of the MSUT.
Chapter 4, Description of Fields Fields Privacy This field sets the Privacy Indicator parameter in SMS messages. The choices available are: • • • • • None No Restrict Restricted Confidentl Secret GPIB Example "CDMA:SMS:TERM:PRIV ‘Restricted’" sets the Privacy parameter to “Restricted”. Operating Considerations Each of these choices represent different levels of privacy. Refer to TIA/EIA IS637 for detailed information about the Privacy Indicator and its effect on the operation of the MSUT.
Chapter 4, Description of Fields Fields Program This field displays program information for the file chosen in the Select Procedure Filename: field. Screens Where Field is Present TESTS (Main Menu) Protocol This field provides a choice of these protocol selections. IS-95 IS-95A TSB-74 J-STD-008 ARIB T53 KOR PCS TIA/EIA-95B GPIB Example “CDMA:CELL:PROT’IS-95A’“ selects the IS-95A protocol. Operating Considerations The protocol selection must be made before the mobile station is powered on.
Chapter 4, Description of Fields Fields Pwr Dwn Reg This field selects whether to perform power down registration. GPIB Example “CDMA:CELL:CONF:PDRegister ‘Off’” enables or disables power down registration. Operating Considerations This is an immediate action toggle field. If it is set to On, the PWR_DWN_REG field on the forward channel is set to 1. If it is set to Off, the field is set to 0. The default is Off.
Chapter 4, Description of Fields Fields Pwr Lvl: The Pwr Lvl: field is divided into two fields: Left-Hand Field The left-hand field displays the mobile station’s output power level assignment for the voice channel currently being used by the Test Set and the mobile station. A numeric value is only displayed when a mobile station is actively connected on a voice channel (that is, the Connect annunciator is lit). A “-” is displayed if a mobile station is not actively connected on a voice channel.
Chapter 4, Description of Fields Fields Screens Where Field is Present CALL CONTROL Pwr Up Reg This field determines if, at power-up, the mobile station will attempt to register with the Test Set.
Chapter 4, Description of Fields Fields RAND The 32-bit value entered in this field, Random Challenge Value, will be used by the mobile station during authentication procedures. RAND is sent to the mobile station on the Paging Channel Access Parameters Message. GPIB Example “CDMA:CELL:CONF:AUTH:RAND?” queries the RAND field. Screens Where Field is Present CDMA AUTHENTICATION RAND_A RAND_A is the 16 most significant bits of RAND and is entered as a 4-digit hexadecimal value.
Chapter 4, Description of Fields Fields RAND_B RAND_B is the 16 least significant bits of RAND and is entered as a 4-digit hexadecimal value. The mobile station stores and uses the most recent version of RAND in the authentication process. RAND_B is user definable. The :RAND:B command is used to control this field. The query form (that is, :RAND:B?) can be used to query the current field value.
Chapter 4, Description of Fields Fields RANDSSD_1 RANDSSD_1 is the 24 most significant bits of the random number issued by the base station in the SSD Update Order. RANDSSD_1 is entered as a 6-digit hexadecimal value. RANDSSD_1 is user definable. The :RAND:SSD1 command is used to control this field. The query form (that is, :RAND:SSD1?) can be used to query the current field value.
Chapter 4, Description of Fields Fields RANDSSD_3 RANDSSD_3 is the 8 least significant bits of the random number issued by the base station in the SSD Update Order. RANDSSD_3 is entered as a 2-digit hexadecimal value. The :RAND:SSD3 command is used to control this field. The query form (that is, :RAND:SSD3?) can be used to query the current field value.
Chapter 4, Description of Fields Fields RANDU RANDU is the 24-bit random number issued by the base station in the Unique Challenge Order. RANDU is entered as a 6-digit hexadecimal value. RANDU is user definable. GPIB Example “CDMA:CELL:CONF:AUTH:RANDU?” queries the RANDU field See Also "Uniq Chall" field on page 441 Screens Where Field is Present CDMA AUTHENTICATION Range Hold These fields enable/disable several autoranging and autotuning routines.
Chapter 4, Description of Fields Fields Screens Where Field is Present CONFIGURE Rcv Pace The receive pace field is used when receiving serial data. • Xon/Xoff lets the Test Set “talk” to the transmitting device to alter the rate of the data being sent. • None disables the Xon/Xoff function. This setting is retained when the instrument is turned off.
Chapter 4, Description of Fields Fields Ref Level Reference level sets the amplitude reference level for the top line of the display. All signals displayed are referenced to this line. This field is displayed when the Controls field is set to Main. GPIB Example “CSP:RLEV 0” sets the reference level to 0 dBm. Operating Considerations The unit-of-measure for the reference can be changed as needed. For instance, 0 dBm, 0.224 V, 107.0 dBmV, and 0.00100 W can all be used to represent the same level.
Chapter 4, Description of Fields Fields Reg Period This field sets the interval for timer-based registrations. The default value for this field, 29, provides registration intervals of approximately 12 seconds. Selecting higher numbers increases this interval. Table 15 Timer-based registration time periods Reg Period field setting Registration Period 29 12.16 30 14.48 331 17.2 32 20.48 38 57.92 62 3707.2 84 167772.
Chapter 4, Description of Fields Fields Register (Analog) This field is used to initiate a registration of the mobile station that is connected to the Test Set. The Test Set must be in the active state (that is, the Active annunciator must be lit) before you can attempt to register the mobile station. The :REGister command is used to control this field. There is no query form of the :REGister command.
Chapter 4, Description of Fields Fields Operating Considerations Mobile station registration can occur as a result of the following events: • • • • The mobile station power is cycled The “Register” feature is selected by selecting this field or sending the GPIB command shown above. A call is made by pressing the Call/Page key with the MS ID mode Auto. A mobile-station initiated call is made. This event causes an implicit registration to be performed.
Chapter 4, Description of Fields Fields Registering (annunciator) This annunciator lights when the Register field is selected. The annunciator goes out when the registration is successful, when the registration attempt times out, or when the End/Release key is pressed. GPIB Example “DISP CCNT;STATus:CDMA:EVENt?” queries the CDMA event register. Bit 11 in the CDMA Status Event Register will be set upon completion of a successful Registration attempt. (No Condition Register is implemented for this bit).
Chapter 4, Description of Fields Fields Release Time This field displays the time period between the -20 dB and -3 dB points of the falling edge of an ensemble average of CDMA RF bursts. This field will display a value only after a gated power measurement is made. GPIB Example “MEAS:GPOWer:RELease:TIME?” queries the CDMA gated power release time. Operating Considerations When a mobile station is operating in variable data rate transmission mode, the RF power is gated on during randomized 1.25 ms periods.
Chapter 4, Description of Fields Fields Release This field is used to terminate an active voice channel connection with the mobile station. When the Release field is selected, a mobile station control message with a release order is sent to the mobile station on the forward voice channel. A mobile station must be actively connected on a voice channel to the Test Set (that is, the Connect annunciator must be lit) before you can attempt to send a release order to the mobile station.
Chapter 4, Description of Fields Fields RF Anl Freq (CDMA Swept Power Measurement) This field allows the user to set the frequency of the Test Set RF analyzer. GPIB Example “RFANalyzer?FREQuency 836.520000“ selects the RF analyzer frequency. Operating Considerations This field appears on the screen when the RF Display field on the CONFIGURE screen is set to Freq. The setting re-tunes the Test Set RF analyzer to the selected frequency.
Chapter 4, Description of Fields Fields RF Channel (CDMA) This field is displayed on the screens listed below when the RF Display field on the CONFIGURE screen is set to Chan. GPIB Example “DISP CCNT;CDMA:RFCHannel 283“ selects channel 283. Operating Considerations This field re-tunes the Test Set to the selected channel number. If a call is currently connected, this field initiates a CDMA-to-CDMA hard handoff. The mobile station must be programmed for the serving system of the RF Channel selected.
Chapter 4, Description of Fields Fields RF Chan Std This field is displayed when Chan is selected in the RF Display field on the CONFIGURE screen. Use the RF channel standard field to select the channel standard for the radiounder-test. The RF Generator’s and the RF Analyzer’s frequencies are automatically set to correspond to the channel number entered in the RF Channel field.
Chapter 4, Description of Fields Fields Table 16 Standard Mobile Test Channel Valid Channel Numbers Offset Freq (MHz) Channel Spacing (MHz) Base Transmit Freq Range (MHz) (E8285A Generate) Mobile Transmit Freq Range (MHz) (E8285A Receive) MS- AMPS 1 to 799, 990 to 1023 45.0 0.03 869.01 to 893.97 824.01 to 848.97 MS-NAMPS 1 to 799, 990 to 1023 45.0 0.03 869.01 to 893.97 824.01 to 848.97 MSL- NAMPS 1 to799, 990 to1023 45.0 0.03 869.00 to 893.96 824.00 to 848.
Chapter 4, Description of Fields Fields RF Cnt Gate RF counter gate specifies how long the RF counter samples the signal before displaying the frequency. Specifying a shorter gate time may enable you to see frequency fluctuations that might not be seen using a longer gate time.
Chapter 4, Description of Fields Fields RF Gen Freq This field is displayed on the screens listed below when the RF Display field on the CONFIGURE screen is set to Freq. This field sets the RF Generator’s (or CDMA generator’s) frequency. GPIB Example “RFG:FREQ 815MHZ“ sets the RF generator to 815 MHz.
Chapter 4, Description of Fields Fields RF In This field is used to indicate reverse channel path losses or gains between the mobile station and the RF IN/OUT port. • Enter a positive value to indicate a gain (such as amplifier gain). • Enter a negative value to indicate a loss (such as cable loss). The RF In field is displayed only when RF In is selected in the Input Port field.
Chapter 4, Description of Fields Fields RF Offset This field is displayed when the RF Display field has Freq selected. This field enables/disables the RF Generator−RF Analyzer frequency offset specified in the (Gen)-(Anl) field below it. Operating Considerations When an RF offset is used, changing the RF Generator’s frequency or RF Analyzer’s tune frequency automatically alters the other setting.
Chapter 4, Description of Fields Fields RF Power This field displays Io, the total power spectral density of Sector A power, Sector B power and AWGN. GPIB Example “CDMA:RFP?” queries the RF Power level. Operating Considerations RF Power is controlled by settings in the Sector A Power, Sector B Power, and AWGN fields. It is not directly settable.
Chapter 4, Description of Fields Fields Rgstr SID This field allows entry of the cell site’s alternate system identification (SID), used only for registration. GPIB Example “DISP CCON;CDMA:CELL:CONFigure:RSID 0“ sets the register network identification of the simulated CDMA cell site to 0. Operating Considerations The Test Set will send the Rgstr NID and Rgstr SID during the registration process (when the Register field is selected) in an attempt to cause a zone-based registration to occur.
Chapter 4, Description of Fields Fields Screens Where Field is Present CALL CONTROL RX/TX Cntl This function controls automatic screen changes between the RX TEST and TX TEST screens during radio testing. It is divided into two fields: The Auto/Manual field enables/disables automatic switching between the RX TEST and TX TEST screens under certain testing conditions. • Auto allows automatic screen changes between the RX TEST and TX TEST screens while testing radios.
Chapter 4, Description of Fields Fields Run Selecting this field runs the IBASIC program. Screens Where Field is Present TESTS (IBASIC Controller) Run Test Selecting this field loads and runs the test chosen in the Select Procedure Filename: field. Screens Where Field is Present TESTS (Main Menu, Execution Conditions, Printer Setup) SAT This field allows entry of the SAT color code for CDMA to analog handoffs.
Chapter 4, Description of Fields Fields SAT: The SAT: field is divided into two fields: • The left-hand field displays the current SAT tone frequency assignment for the current voice channel being used by the Test Set and the mobile station. The Sat field only displays a value when the system type is set to AMPS, TACS, JTACS or when NAMPS Ch Loc: is set to Wide. The Test Set must also be actively connected on a voice channel (that is, the Connect annunciator is lit).
Chapter 4, Description of Fields Fields SAT Deviation The SAT Deviation measurement is multiplexed on the same field with the FM Deviation measurement. When the CALL CONTROL screen is selected, SAT Deviation will be displayed automatically. To select SAT Deviation on the other screens listed below, select FM Demod in the AF Anl In field, position the cursor next to FM Deviation, and press the knob to display a list of choices. Choose SAT Deviation from this list.
Chapter 4, Description of Fields Fields Sat Tol This field is displayed only for NAMPS system type. This field is used to select the Sat tolerance. When set to Narrow the Sat limit is one of the three valid Sat tones ± 10Hz. When set to Wide the Sat limit is defined at 0 to 7000 Hz. When operating in noisy environments the narrow Sat limit may not allow for correct measurements and the ability to alter the limit to encompass a wider range provides for testing flexibility.
Chapter 4, Description of Fields Fields Save/Recall This field specifies which memory device the Test Set accesses when the save and recall functions are used. • • • • Internal is a section of internal RAM. RAM is also used for running IBASIC programs, which may require you to delete the Save/Recall registers if the program is very large. Card is the front-panel MEMORY CARD slot.
Chapter 4, Description of Fields Fields Sc Priority This field allows the user to specify the search priority in sending the Extended Neighbor List Message (ENLM). GPIB Example “CDMA:CELL:CONF:SCPR ‘Medium’” sets the search priority level in the custom neighbor list. Operating Considerations Select Low, Medium, High, or Very High to set the search priority. The default is Medium. This field appears only if the Ext NGBH field is set to On and a valid protocol is selected in the Protocol field.
Chapter 4, Description of Fields Fields Sctr A Pwr This field provides control of the Sector A forward CDMA channel generator output level. Forward CDMA channel power is expressed in units of dBm in a 1.23 MHz bandwidth. GPIB Example “CDMA:CELL:ASECtor:STATe ON“ turns on Sector A. “CDMA:CELL:ASECtor -100 dBm“ sets Sector A’s power to −100 dBm. Operating Considerations Sector A power, Sector B power and AWGN are summed together and output on the selected output connector. The total power in a 1.
Chapter 4, Description of Fields Fields Sctr B Pwr This field provides control of the Sector B forward CDMA channel generator power level (Also referred to as Ior ). Forward CDMA channel power is expressed in units of dBm/1.23 MHz bandwidth. GPIB Example “DISP CGEN;CDMA:CELL:BSECtor:BWPower -100 dBm“ sets Sector B’s power to −100 dBm.
Chapter 4, Description of Fields Fields Select Procedure Location This field is used the select the location of the procedure to load. Procedures can be loaded from disk, card, ROM, or RAM. This field is used the select where a new procedure will be saved, or the location from which a procedure will be deleted. Procedures can be saved to, or deleted from, disk, card, or RAM. Operating Considerations Procedure files contain a subset of the library file.
Chapter 4, Description of Fields Fields Send Msg (CDMA Swept Power Measurement) This field allows the user to specify whether a Pilot Measurement Request Order (PMRO), Extended Handoff Direction Message (EHDM) with One Pilot Record, EHDM with Two Pilot Records, or none of the above is to be sent on the Forward Traffic Channel. GPIB Example “CDMA:MOB:SNDM ’ExtHoDP1P2’” determines if a message will be sent and, if so, the format of the message.
Chapter 4, Description of Fields Fields Sensitivity RF Analyzer sensitivity adds about 6 dB of sensitivity for the ANTENNA IN port when High is selected. Operating Considerations Selecting High sensitivity may cause Spectrum Analyzer measurements to be uncalibrated when the ANTENNA IN port is used (a message appears when this occurs). High-level AM measurements may be distorted when high sensitivity is used with the ANTENNA IN port.
Chapter 4, Description of Fields Fields Serial_9 In This field selects the destination of characters received by the Test Set on the serial port. IBASIC is used to allow the IBASIC controller to read the serial port while a program is running. Inst configures the serial port to connect to an external ASCII terminal or computer to enter IBASIC programs, or to control the Test Set using an external keyboard.
Chapter 4, Description of Fields Fields Set Message This field is used to select the desired forward control channel or forward voice channel message to be displayed. The :MESSage command is used to control this field. The query form of the command (that is, :MESSage?) can be used to determine which forward control channel or forward voice channel message is currently being displayed.
Chapter 4, Description of Fields Fields EXT PROT Standard Equivalent: FCC Mobile Station Control Message Message Fields: EF, MIN2, MSL, MST, Parity, SCC, T1T2 FVCBSCon Standard Equivalent: Base Station Challenge Order Confirmation Message Fields: AUTHBS, Parity, RSVD1, RSVD2, T1T2 FVC O Mes Standard Equivalent: FVC Mobile Station Control Order Message Message Fields: Local, Order, ORDQ, Parity, PSCC, RSVD, SCC, T1T2 FVC SSD1 Standard Equivalent: First SSD Update Order Word Message Fields: Parity, RANDSSD_1
Chapter 4, Description of Fields Fields MRI MES Standard Equivalent: MRI Parameter Message Message Fields: BER, BER LSB, DSCC, EF, OE, ORDER, ORDQ, Parity, PDSCC, RSSI, T1T2 MS InVCh Standard Equivalent: FCC Mobile Station Control Message Extended Address Word Message Fields: CHAN, MIN2, Parity, SCC, T1T2, VMAC MSMessOrd Standard Equivalent: FCC Mobile Station Control Message Extended Address Word Message Fields: Local, MIN2, ORDER, ORDQ, Parity, RSVD, SCC, T1T2, MS WORD1 Standard Equivalent: FCC Mobile St
Chapter 4, Description of Fields Fields NTHO MES Standard Equivalent: TACS Narrow Handoff Message Message Fields: CHAN, CTYP, BIT12, DSCC, OE, PDSCC, RSVD, T1T2, VMAC NTMS FVC Standard Equivalent: FVC TACS Mobile Station Control Message Message Fields: DSCC, LOCAL, OE, ORDER, ORDQ, PDSCC, RSVD, T1T2 RandChalA Standard Equivalent: Random Challenge A Global Action Message Message Fields: ACT, DCC, END, OHD, Parity, RANDA, T1T2 RandChalB Standard Equivalent: Random Challenge B Global Action Message Message Fi
Chapter 4, Description of Fields Fields SPC WORD1 Standard Equivalent: System Parameter Overhead Message Word 1 Message Fields: DCC, NAWC, OHD, Parity, RSVD, S1D1, T1T2 SPC WORD2 Standard Equivalent: System Parameter Overhead Message Word 2 Message Fields: CPA, CMAX-1, DCC, DTX, E, END, N-1, OHD, Parity, RCF, REGH, REGR, S, T1T2 UniqChOrd Standard Equivalent: Unique Challenge Order Word Message Fields: Parity, RANDU, SCC, T1T2 WNHO MES Standard Equivalent: Wide To Narrow Handoff Message Message Fields: CHA
Chapter 4, Description of Fields Fields CMAC Control mobile attenuation field. Indicates the mobile station power level associated with reverse control channel. CMAX-1 CMAX is the number of access channels in the system. CPA Combined paging/access field. CTYP Channel type indicator. DCC This field sets the digital color code. DSCC DSAT color code for the new channel. Also represents SCC for handoff to a wide analog channel. DTX Discontinuous transmission field.
Chapter 4, Description of Fields Fields OHD This field displays the overhead message type. • • • A ‘100’ indicates a global action message. A ‘110’ indicates that this is the first word of the system overhead parameter message. A ‘111’ indicates this is the second word of the system parameter overhead message. NAWC This field displays the number of additional words coming. ORDER This field identifies the order type. ORDQ The order qualifier field qualifies the order confirmation to a specific action.
Chapter 4, Description of Fields Fields REGH Registration field for home stations. REGID Registration ID field. REGINCR Registration increment field. REGR Registration field for roaming stations. RSVD Reserved for future use. RSVD1 Reserved for future use, all bits must be set as indicated. RSVD2 Reserved for future use, all bits must be set as indicated. RSSI Received Signal strength. S This field displays whether the serial number word is sent to the mobile station.
Chapter 4, Description of Fields Fields Settling This field selects the settling time for making AF measurements. Lower frequency signals require additional settling time (Slow). Higher frequency measurements require less settling time (Fast). Operating Considerations Use Slow for ≤200 Hz signals. Use Fast for >200 Hz signals. If the signal being measured is a composite of different frequencies above and below 200 Hz, select the appropriate filtering to analyze the desired signal component.
Chapter 4, Description of Fields Fields SID MSB This field is used to set the system identification number (SID) of the Test Set. The SID field is an immediate action field. If the field is selected and changed, the signaling message(s) being sent on the forward control channel are immediately changed. No change occurs to the current state (that is, active, register, page, access, connect) of the Call Processing Subsystem. This field is used to set the system identification number (SID) of the Test Set.
Chapter 4, Description of Fields Fields SINAD This is the default measurement for this field. Selecting this field displays the following measurement choices: SINAD Distn (Distortion) SNR (Signal to Noise Ratio) AF Freq DC Level Current (DC only) Operating Considerations This is a priority control field. Accessing the RX TEST or TX TEST screen overrides any changes made to this field in other screens. For more information about SNR operation, see the SNR field description, on page 398.
Chapter 4, Description of Fields Fields SMS Sent (annunciator) This annunciator indicates that the SMS message has been sent. The annunciator should light when the Execute is selected in the Send Message field. See Also "Call Status" field on page 190 Screens Where Field is Present CDMA SHORT MESSAGE SERVICE SMS In Progress (annunciator) This annunciator indicates that the mobile station has been sent an SMS Data Burst Message, and the Test Set is waiting for an SMS message acknowledgement.t.
Chapter 4, Description of Fields Fields SNR When set to SNR, this field displays the signal to noise ratio of the input audio signal. This field is a one-of-many field used to select the type of measurement to be made by the Audio Frequency Analyzer on the audio signal being measured. See “Measure” in the GPIB Command Syntax chapter of the E8285A Condensed Programming Reference Guide for programming command syntax.
Chapter 4, Description of Fields Fields Softer Handoff This field controls softer handoffs. GPIB Example “CDMA:CALL:SHAN ‘ON’” begins a softer handoff. Operating Considerations The Connected annunciator in the Call Status field must be lit before a softer handoff can be performed. Also, Sector B power must be turned on and at a power level that will allow diversity combining (the default power levels that are set when the PRESET key is pressed are acceptable).
Chapter 4, Description of Fields Fields Softer Handoff (annunciator) This annunciator is lit when On is selected in the Softer Handoff field. When the handoff is ended, the Softer Handoff annunciator goes out. GPIB Example “DISP CCNT;STATus:CDMA:CONDition?“ queries the CDMA condition register. Operating Considerations During a softer handoff, a handoff direction message is sent to the mobile station to add Sector B to its active set.
Chapter 4, Description of Fields Fields Span This field is displayed when the Controls field is set to Main. This field sets the span of frequencies to be displayed on the screen. GPIB Example “DISP CSP;CSP:SPAN 3 MHZ“ sets the frequency span to 3 MHz. Operating Considerations When the Tracking Generator is used, the span also defines the frequency sweep range. Spans >1.5 MHz disable the AF Analyzer when the analyzer’s AF Anl In field is set to FM Demod, AM Demod, or SSB Demod.
Chapter 4, Description of Fields Fields Speaker Vol Speaker Volume enables/disables the instrument’s internal speaker. When Pot is selected, the VOLUME control knob operates normally. When Off is selected, the speaker is disconnected. Screens Where Field is Present AF ANALYZER Spec (Pass/Fail Limits) Selecting this field displays the TESTS (Pass/Fail Limits) screen.
Chapter 4, Description of Fields Fields Squelch This setting determines the squelch operation when demodulating FM, AM or SSB signals. Three settings are available: • Pot uses the front-panel SQUELCH knob for squelch level adjustment. • Open disables squelch operation. • Fixed sets the squelch to a fixed level, disabling the front-panel SQUELCH knob control.
Chapter 4, Description of Fields Fields Srch Win A This field allows entry of the search-window size for the active set and candidate set. GPIB Example “DISP CCON;CDMA:CELL:CONFigure:AWIN 5“ sets search-window A to 5. Operating Considerations The mobile station searches for the strongest pilot channel signal and usable multipath components of the pilot channel signals included in the active and candidate sets. The search-window limits the range of PN sequence offsets that the mobile station searches.
Chapter 4, Description of Fields Fields Srch Win N This field allows entry of the search-window size for the neighbor set. GPIB Example “DISP CCON;CDMA:CELL:CONFigure:NWIN 5“ sets search-window N to 5. Operating Considerations The mobile station searches for the strongest pilot channel signal and usable multipath components of the pilot channel signals included in the neighbor set. The search-window limits the range of PN sequence offsets that the mobile station searches.
Chapter 4, Description of Fields Fields Srch Win R This field allows entry of search-window size for the remaining set. GPIB Example “DISP CCON;CDMA:CELL:CONFigure:RWIN 5“ sets search-window R to 5. Operating Considerations The mobile station searches for the strongest pilot channel signal and usable multipath components of the pilot channel signals included in the remaining set. The search-window limits the range of PN sequence offsets that the mobile station searches.
Chapter 4, Description of Fields Fields SSDA The :SSDA command is only available through the remote users interface. No field is displayed for this function on the test set. The user can enter a valid value into the Test Set along with other necessary shared secret data to avoid the SSD Upd process at the start of testing to reduce testing time. SSDA is the most significant 64-bits of the SSD value stored in the mobile station. SSDA is entered as a 16-digit hexadecimal value.
Chapter 4, Description of Fields Fields SSDB The :SSDB command is only available through the remote users interface. No field is displayed for this function on the test set. The user can enter a valid value into the Test Set along with other necessary shared secret data to avoid the SSD Upd process at the start of testing to reduce testing time. SSDB is the least significant 64-bits of the SSD value stored in the mobile station. SSDB is entered as a 16-digit hexadecimal value.
Chapter 4, Description of Fields Fields SSD Update NOTE: An SSD update can be performed on the paging/access channels or on the traffic channel. When SSD Update Execute is selected, an SSD Update Message is sent to the mobile station, and the SSD Update annunciator is lit. In response to the SSD Update Message, the mobile sends back a Base Station Challenge Order.
Chapter 4, Description of Fields Fields SSD Update (annunciator) When lit, this annunciator indicates that an SSD Update is in progress. A successful completion of SSD Update results in a Passed indication in the Authentication Data Table (no authentication parameters are displayed from SSD Update).
Chapter 4, Description of Fields Fields NOTE: If no values are displayed in the CDMA Mobile Reporting table, the query example shown above will return only the line feed character.
Chapter 4, Description of Fields Fields Operating Considerations for Status Field When a call is made, the mobile station’s Active list is initialized to contain only Sector A. When Sector B’s signal strength exceeds the threshold determined by the entry in the T_Add field, the mobile station will send a Pilot Strength Measurement Message to the Test Set. The Test Set will then display “Candidate” under the Status column for Sector B (Sector A and Sector B are identified by their PN Offsets).
Chapter 4, Description of Fields Fields Status (CDMA Authentication) This column in the authentication results table lists the status (pass or fail) of the parameters that are used to authenticate a registration, page, or origination. These parameters are returned from the mobile in the Access Channel Registration, Page Response Message, or Origination Message.
Chapter 4, Description of Fields Fields Steps This field allows entry of the number of power control bits that the Test Set will send to the mobile station through the power control subchannel when the Execute field is selected. GPIB Example “DISP CTXR;CDMA:PCONtrol:STEPs 100” selects 100 power control bits to be sent on the power control subchannel.
Chapter 4, Description of Fields Fields Operating Considerations The Test Set measures the time response of the mobile station’s output power in response to a step change in the Test Set’s output power. Test standards require that sector A power ("Sctr A Pwr" field on page 380) initially be set to -60 dBm. The first step is +20 dB (to -40 dBm). The next step is -20 dB (back to -60 dBm). The third step is another -20 dB (to -80 dBm), and the final step is +20 dB (back to -60 dBm).
Chapter 4, Description of Fields Fields Strength This column in the CDMA Mobile Reporting table lists the power level most recently measured and reported by the mobile station for each pilot the mobile station is currently tracking. All numbers displayed in the CDMA Mobile Reporting table reflect the last pilot strength message received from a mobile station.
Chapter 4, Description of Fields Fields 210 220 NEXT I END Screens Where Field is Present CDMA MOBILE REPORTED PILOT STRENGTH Swept Pwr (CDMA Swept Power Measurement) This field allows for arming the swept power measurement. GPIB Example “CDMA:SWEPtpower:TRIGger[IMMediate]“ arms the measurement. Operating Considerations Selecting Arm prepares the Test Set to expect an amplitude trigger from the mobile station so that the Test Set can perform a swept measurement.
Chapter 4, Description of Fields Fields System ID This field allows entry of the system identification (SID). GPIB Example “DISP CCON;CDMA:CELL:CONFigure:SID 0“ sets the system identification of the simulated CDMA cell site to 0. Operating Considerations The mobile station stores the SID number it receives from the cell site and compares it with its home SID/NID to determine if it is roaming.
Chapter 4, Description of Fields Fields System Type (CDMA-to-CDMA or CDMA-to-Analog Handoff) This field selects the type of system that the Test Set will attempt to handoff the mobile station to when the field titled "Execute (Handoff)" on page 250 is selected. GPIB Example “CDMA:CALL:AHANdoff:CHANnel:STYPe ‘AMPS’“ selects the AMPS system type for a CDMA to analog handoff.
Chapter 4, Description of Fields Fields T_Add This field allows entry of the pilot detection threshold T_ADD. GPIB Example “DISP CMOB;CDMA:MOBile:TADD 32“ sets T_ADD to 32. Operating Considerations If the mobile station finds that the Sector B pilot’s signal strength has exceeded T_Add, the mobile station will send a Pilot Strength Measurement message to the Test Set. The Test Set will display “Candidate” in the Status column of the CDMA Mobile Reporting table for Sector B (identified by the PN Offset).
Chapter 4, Description of Fields Fields T_Drop This field allows entry of the pilot drop threshold (T_DROP). GPIB Example “DISP CMOB;CDMA:MOBile:TDR 40“ sets T_DROP to 40. Operating Considerations When the Softer Handoff annunciator is lit, Sector A and Sector B are added to the mobile station’s Active list. If either of these pilot’s signal strength falls below T_DROP, the mobile station starts its handoff drop timer, T_TDROP.
Chapter 4, Description of Fields Fields T_TDrop This field allows entry of the handoff drop timer’s value (T_DROP). GPIB Example “DISP CMOB;CDMA:MOBile:TTDRop 2“ sets T_TDROP to 2. Operating Considerations When the Softer Handoff annunciator is lit, Sector A and Sector B are added to the mobile station’s Active list. If either of these pilot’s signal strength falls below T_DROP, the mobile station starts its handoff drop timer, T_TDROP.
Chapter 4, Description of Fields Fields Test Procedure Run Mode This field selects how the test will be run. The underlined entry is the active choice. • Continuous runs the tests in the test sequence one after another without stopping. Testing pauses only if the operator is required to interact with the UUT or Test Set. Interactions such as changing UUT channels and setting squelch and audio levels cause testing to pause. Selecting Stop in the If Unit-Under-Test Fails: field may also stop a test.
Chapter 4, Description of Fields Fields This field is duplicated on the CDMA CALL CONTROL screen. GPIB Example “DISP CRXT;STATus:CDMA:CONDition?“ queries the CDMA condition register. Svc Opt 2/9 (annunciator) This annunciator is lit when the Test Set is on a service option 2 (mobile station data loopback) call. GPIB Example “DISP CRXT;STATus:CDMA:CONDition?“ queries the CDMA condition register.
Chapter 4, Description of Fields Fields Failed (annunciator) This annunciator is lit when an FER test has failed. An FER test fails when the measured FER is greater than the target FER with the specified confidence level, according to the criteria established by the confidence level and FER specification. Example “Failed” FER measurement FER Spec set to 1% Confidence set to 95% Measured FER is displayed as 1.4% With the parameters specified above, Failed means that the measured value of 1.
Chapter 4, Description of Fields Fields Time (Configure) This field sets the time-of-day for the instrument’s 24 hour clock. (Example, 4:53 PM is entered 16:53) Operating Considerations The internal clock still functions when the instrument is turned off. Screens Where Field is Present CONFIGURE TimeBase This field setting determines whether the Test Set uses its internal 10 MHz timebase or attempts to detect an external signal on the EXT REF INPUT connector.
Chapter 4, Description of Fields Fields Time/div This field selects the horizontal sweep time per division. Operating Considerations The time-per-division is selected from a list of choices.
Chapter 4, Description of Fields Fields Time Offset (Negative) This field allows setting of a negative time offset for measuring CDMA signals. GPIB Example “CONFigure:MMToffset ‘Normal’“ Screens Where Field is Present CONFIGURE Timer Reg When Timer Reg is On, the MSUT will perform periodic timer-based registrations, with the time period settable in the Reg Period field.
Chapter 4, Description of Fields Fields TM Rho This field displays the mobile station’s measured waveform quality factor, Rho. Rho can be measured in either of two available modes. • Traffic Rho Traffic Rho measures Rho when the mobile station is transmitting a reverse traffic channel. The Connected annunciator on the CDMA CALL CONTROL screen must be lit.
Chapter 4, Description of Fields Fields To Screen These fields are used to choose which of the Test Set screens to display.
Chapter 4, Description of Fields Fields Total RAM This field displays the total amount of RAM available for IBASIC programs and save/recall registers. Screens Where Field is Present CONFIGURE Trace (CDMA Swept Power Measurement) This field clears the measurement from the display. GPIB Example “MEAS:SWEPtpower:TRACe:CLEar” clears the screen. Operating Considerations Select this field to clear the captured trace from the screen.
Chapter 4, Description of Fields Fields Traffic (Sector A Power) This field allows the entry of Sector A traffic E c/Ior, the energy per PN chip for the forward traffic channel level relative to the total sector power. The Walsh code can also be specified for the traffic channel. GPIB Example “CDMA:CELL:ASECtor:TRAFfic:STATe ON“ “DISP CGEN;CDMA:CELL:ASECtor:TRAFfic:POWer -16“ sets Sector A pilot power to −16 dB.
Chapter 4, Description of Fields Fields Traffic Data Mode This field selects the desired service option. “Rate set 2” refers to vocoders that operate at 14.4 kips full rate.
Chapter 4, Description of Fields Fields Traffic Rho See the TM Rho field description, on page 429. Screens Where Field is Present CDMA CELLULAR MOBILE TRANSMITTER TEST Transmitting (annunciator) This annunciator lights when the Test Set is transmitting a forward CDMA channel. When an analog screen is selected the status of the Transmitting annunciator when queried over GPIB is "Off." GPIB Example “DISP CCNT;STATus:CDMA:COND?” queries the CDMA condition register.
Chapter 4, Description of Fields Fields Trig-Delay The trigger delay is used to specify the time relationship between the trigger and displayed signal. • • Positive values delay the measurement trigger by a specific period. The delayed trigger point is the left edge of the screen. Negative values perform a pre-trigger function, displaying a section of the waveform before the trigger point. The trigger point is indicated by small pointers that appear at the top and bottom of the screen.
Chapter 4, Description of Fields Fields Tune Freq This field is displayed on the screens listed below when the RF Display field on the CONFIGURE screen is set to “Freq”. RF analyzer tune frequency sets the center frequency for the RF signal to be analyzed. Operating Considerations The Test Set does not perform auto tuning. The operator must enter the desired tune frequency or use the Test Set’s default RF Display field setting, Chan, and enter a channel number.
Chapter 4, Description of Fields Fields TX Power Transmitter Power measures RF power at the RF IN/OUT port. Operating Considerations Only the RF IN/OUT port can be used for measuring TX Power. When the Input Port is set to Ant, four dashes (- - - -) appear in place of digits for this measurement. Use the Spectrum Analyzer to measure low-level RF power (≤200 mW) at the ANTENNA IN port.
Chapter 4, Description of Fields Fields TX Power This field displays the measured RF power of the carrier being transmitted by the mobile station. Four dashes (----) indicates that there is no carrier present to measure. See “Measure” in the GPIB Command Syntax chapter of the E8285A Condensed Programming Reference Guide for programming command syntax. A non-zero value would only be displayed in the connected state (that is, the Connect annunciator is lit).
Chapter 4, Description of Fields Fields TX Pwr Meas The transmitter power measurement field specifies how transmitter power measurements are made: • • Peak can be used to measure AM, FM, and un-modulated (CW) signals. Sample can be used to measure FM or CW signals with increased measurement speed. This method can only be used with signals having no amplitude modulation component.
Chapter 4, Description of Fields Fields TX Pwr Zero The TX Pwr Zero function establishes a 0.0000 W reference for measuring RF power at the RF IN/OUT port. The TX Pwr Zero field is imported from the RF ANALYZER screen and is programmed exactly as it is on its home screen. See “RF Analyzer” in the GPIB Command Syntax chapter of the E8285A Condensed Programming Reference Guide for programming command syntax. CAUTION: RF power must not be applied while zeroing.
Chapter 4, Description of Fields Fields Type The Type field allows you to set the FOR_TRAFFIC and REV_TRAFFIC parameters in the base station to ‘0’ (None), or ‘1’ (Primary). It appears only when Service Option 6 or Service Option 14 are selected in the Traffic Data Mode field.
Chapter 4, Description of Fields Fields Operating Considerations A Unique Challenge verifies that the mobile station and Test Set possess the same sets of Shared Secret Data (SSD). Refer to the E8285A Application Guide, Authentication Tests, for a description of performing Unique ChallengeResponse. If a valid ESN is not found in the MS Database field, the Test Set will beep and display the following message: Cannot perform SSD Update until the phone has registered.
Chapter 4, Description of Fields Fields Upper Limit This field is used to set the upper limit to be compared with the measured results. If the measured result is above this limit, the test will fail. Screens Where Field is Present TESTS (Pass/Fail Limits) User Data (ASCII or Hex) This field accepts up to 64 ASCII or up to 128 Hex characters to be sent in an SMS Data Burst Message. GPIB Example “CDMA:SMS:MDM ‘ASCII’” selects “ASCII” data entry mode for the User Data field.
Chapter 4, Description of Fields Fields VC Order This field is used to send an order on the forward voice channel to the Mobile Station with authentication active. The VC Order field is only visible when authentication is activated and the mobile is assigned a voice channel.
Chapter 4, Description of Fields Fields Vert/div Vertical sensitivity sets the vertical amplitude per division. Operating Considerations The value for this field is selected from a list of choices. Depending on the AF Analyzer’s AF Anl In setting, the units for this field may be in Volts, kHz, or Percent (AM). For example; if the AF Anl In field is set to FM Demod, the amplitude is displayed in kHz/div.
Chapter 4, Description of Fields Fields Walsh (Sector A) This column of fields displays the Walsh code for the Pilot, Sync, and Paging channels. and provides an entry field for Traffic and OCNS Walsh codes. GPIB Example “DISP CGEN;CDMA:CELL:ASEC:TRAF:WALS 8” sets Sector A’s traffic channel to Walsh code 8. Operating Considerations The Test Set will display a warning if duplicate Walsh codes are set. The range of Walsh codes is limited to those allowed by TIA IS-95.
Chapter 4, Description of Fields Fields Xmt Pace The transmit pace field is used when transmitting serial data. • Xon/Xoff lets the receiving device “talk” to the Test Set to alter the rate of the data being sent. • None disables the Xon/Xoff function. This setting is maintained after the instrument is turned off. Screens Where Field is Present I/O CONFIGURE 1 of N The 1 of N field instructs the Test Set how many times to send a system parameter overhead message.
Chapter 4, Description of Fields Fields 448 S:\agilent\e8285\REFGUIDE\MANUAL\fields.
Index ---meaning of, ACP level measurement, 153 meaning of, squelch, 403 meaning of, TX power measurement, 153, 437 Symbols *Clr All*, 306 *RST, 49 Numerics 1 kHz Tone Data Type, 217 10 MHz OUTPUT connector, 80 16X CHIP OUTPUT connector, 79 24-hour clock setting, 426 400Hz Data Type, 217 600 ohm impedance at AUDIO IN, 169 A A_Key Digits field, 161 A_Key field, 160 abbreviated address word reverse control channel, 233 Abort Print field, 148 ac coupling input, 261 output, 170 AC Level field, 151 ac level, pe
Index AMPS Call Control screen.
Index C Op Modes, 306 Calibrate field (Power Meas), 341 calibration channel power measurement, 198, 341 spectrum analyzer, 132 call answer, 31 disconnect, 35 paging, 34 Call Bit screen Access annunciator, 148 Active annunciator, 153 Connect annunciator, 209 Data Spec, 216 modifying the call bit screen message fields, 93 reading the call bit screen message fields, 91 Send Word, 383 Set Message, 386 view of, 90 Call Configure screen BER Thresh , 185 CMAX, 204 Detector, 222 Input Att, 275 Sat Tol, 377 TX Pwr
Index Esc Mode, 248 Ext NGHB, 257 Init Power, 274 Max Req Seq, 294 Max Rsp Seq, 294 Network ID, 310 Netwrk Code, 310 NGHB Fq (Ch), 311 Nom Power, 312 Nom Pwr Ext, 312 Num Pages, 316, 317 Num Step, 317 Page Rate, 326 Page Send, 327 Pam Size, 329 Power Inc, 334 Power Step, 342 Pwr Dwn Reg, 347 Pwr Up Reg, 349 Reg Period, 357 Rgstr NIID, 371 Rgstr SID, 372 Sc Priority, 379 Srch Win A, 404 Srch Win N, 405 Srch Win R, 406 System ID, 418 CDMA Cellular Mobile Receiver Test screen Arm, 167 AWGN, 181 Confidence, 20
Index Length, 282 Message Data Mode, 295 MS Ack Cause Code, 303 MS Database, 306 Orig Addr, 322 Priority, 344 Privacy, 345 Send Msg, 382 SMS In Progress, 397 Svc Opt 14, Traffic Data Mode, 433 Svc Opt 6, Traffic Data Mode, 433 Traffic Data Mode, 433 CDMA Swept Power Measurement screen Amplitude (CDMA Swept Power Measurement), 166 Controls, 212 Grid (CDMA Swept Power Measurement), 270 Marker Lvl, 286 Marker Time (CDMA Swept Power Measurement), 290 Ref Level (CDMA Swept Power Measurement), 356 RF Anl Freq (C
Index Connect annunciator, 209 Connected annunciator Call Status, 210 Test Status, 423 connectors MODULATION INPUT, 74 Cont/Single field, 211 Continue field, 210 control channel number, call processing, 205 Controls field (CDMA gated power), 211, 212 Controls field (CDMA Swept Power Measurement), 212 Controls field (oscilloscope), 213 Controls field (spectrum analyzer), 213 counter AF, 155 RF, 367 country code, 206 coupling ac, 170, 261 dc, 122, 170, 261 notch frequency, 316 current measurement, dc, 156, 2
Index electronic serial number (ESN), 249 emf voltage, 368 Encoding field, 244 End/Release key, 35 Enter ASCII Data field, 245 Enter Hex Data field, 245 Enter key, 35 Enter Procedure Filename field, 246 error messages IBASIC, 272 Errors Counted field, 247 Errors field, 246 Esc Mode field, 248 escape mode, 248 ESN, 306 ESN (dec) field, 248 ESN (hex) field, 249 ESN field, 249 ETACS channel standard, 365 EVEN SEC INPUT connector, 72 Exec Execution Cond field, 251 Execute SSD Update, 409 Execute field (handoff
Index non-programmable front-panel functions, 61 GPIB Address field, 272 GPIB connector, 73 GPIB operation, squelch effects, 403 Grid (CDMA Swept Power Measurement) field, 270 grounded input at AUDIO IN LO, 169 H handoff executing, 250 Handoff field, 270 Handoffs Interband CDMA-to-CDMA, 419 Hard Handoff annunciator, 271 heading for printout, 323, 343 Help screen view of, 118 High limit key, 40 Hold All Range Hold, 354 Hold key, 35 horizontal sweep, oscilloscope, 427 I I/O Configuration screen PCMCIA, 331 I
Index TX test (CDMA), 60 unit-of-measure, 58 up-arrow, 57 USER, 64 Yes On/Off, 56 KOR PCS protocol, 346 L leakage ACP measurement, 362 Length field, 282 level ACP, 153 AF generator 1, 157 oscilloscope, 287 reference for spectrum analyzer, 356 spectrum analyzer, 289 Level (div) field, 283 Library field, 283 Lines/Page field, 283 load, external resistance, 151, 256 Local key, 40 loss between ANT IN and device-under-test, 167 between DUPLEX OUT and device-under-test, 242 between RF IN/OUT and device-under-tes
Index MS Ack Cause Code, 303 MS Ack Received annunciator, 305 MS FER field, 307 MS FER key, 60 MS FER Report Interval field, 308 MS ID field, 308 MS Id field, 302 MS Report field, 335 MS report key, 60 MSDatabase field, 306 N n Down power control bits, 193 n Up power control bits, 193 names, for printouts, 323, 343 NAMPS channel standard, 365 NAWC, 234 NData/NMeas field (Display), 223 negative edge triggering, 283 Network ID field, 310 Netwrk Code field, 310 NGHB Fq (Ch) (CDMA Cell Site Configuration) fiel
Index phone numbers, Agilent Technologies customer support, 10 Phs Error field, 332 Pilot field (Sector A Power), 333 Pilot field (Sector B Power), 333 pilot status Active, 410 Candidate, 410 To Add, 410 To Drop, 410 Pk Det To field, 335 Pk Hold field, 313 PN Offset field, 336 PN Offset field (Sector A Power), 338 PN Offset field (Sector B Power), 338 Port/Sweep field (Tracking Gen), 339 Position field, 339 positive edge triggering, 283 power control Always Down, 203 Always Up, 203 closed loop, 203 off, 20
Index reverse RF power, 324 reverse voice channel message viewing, 232 order confirmation message, 234 revision number firmware, 261 RF Analyzer screen AC Level, 151 AF Freq, 156 AM Depth, 164 Amplitude, 165 Auto Zero, 177 Current, 213 DC Current, 218 DC Level, 219 Distn, 236 FM Deviation, 262 Freq Error, 266, 267 functional block diagram, 124 IF Filter, 274 Input Atten, 276 Input Port, 278 Output Port, 324 RF Channel, 363 RF Cnt Gate, 367 Sensitivity, 384 SINAD, 396 SNR, 398 Squelch, 403 Tune Freq, 436 TX
Index Save/Recall field, 378 Sc Priority (CDMA Cell Site Configuration) field, 379 scale for oscilloscope, 339 SCC (SAT color code), 374 schematic diagrams.
Index SSD Update on Paging: Passed message, 409 SSD Update on Traffic: Failed message, 409 SSD Update on Traffic: Passed message, 409 SSD_A=0 annunciator, 406 SSDA field, 407 SSDB field, 408 station class mark, 378 Status (CDMA Swept Power Measurement) field, 413 Status field (CDMA authentication), 413 Status field (CDMA mobile reporting), 410 Step# field, 415 Steps field, 414 stop bit, 415 Stop Length field, 415 Strength field, 416 support contacts, Agilent Technologies telephone, 10 support contacts,Agil
Index Enter Procedure Filename, 246 Main Menu, 285 Pass Word, 330 Procedure Library, 345 Select ProcedureLocation, 382 view of, 139 Tests (Test Parameters) screen, 134 Main Menu, 285 view of, 136 This, 426 Time field, 426 Time field (marker), 288 time markers, 288 Time Offset field, 164, 265, 427, 428 Time/div field, 427 TimeBase field, 426 Timer Reg field, 428 title for printout, 323, 343 TM Rho field, 429 To Add pilot status, 410 To Drop pilot status, 410 To Screen field, 430 Total RAM field, 431 trace c
Index second word of called address, 234 serial number, 233 X Xmt Pace field, 447 Xon/Xoff, 355, 447 Y Yes On/Off key, 56 Z Zero field (Power Meas), 341 zero reference, transmitter power, 440 zeroing average power measurements, 178, 179 measurement offset, 218 power meter, 440 464 Index
