User's Manual

Navini Networks, Inc. Ripwave Base Station I&C Guide

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KERNEL : 5.4(WIND version 2.5)

BSP : 1.0/RW1.19.1.3

CPU: CC (PPC860P). Processor #0.

Memory Size: 0x3f80000.

WDB: Ready.

Last reset caused by a user request from the console.

Current time is FRI JAN 10 14:38:36 2003

bts-120 [Active]% TimerHandler called for port /tty/2

--> 1/10/2003 14:38:38

Position fix: latitude: 32:58:42, longitude: -96:42:4, height: 188.78

Calibrate the Base Station

Calibrating the Base Station detects the phase differential between the antenna elements and

matches the output power across all antenna elements in the RFS. In TTA BTSs, if the

“Calibration Coefficients” feature is enabled, the transmit power level for all the subcarriers is

also equalized. The calibration procedure must be performed at least three times to verify

consistency of the returned values. Ensure that the BTS has been powered on with the power

amplifiers on for at least fifteen minutes to allow them time to warm up and stabilize (twenty

minutes in the case of a TTA BTS to allow enough time for the new software to be loaded in all

the RFCs)

Calibration Procedure

To calibrate the BTS, follow the steps in the procedure below. Refer to the Ripwave

Configuration Guide, as needed.

Step 1. On the Test EMS, click on the Server icon to start the EMS Server.

Step 2. Click on the EMS Configuration icon to start the EMS Client GUI.

Step 3. At the EMS Configuration & Alarm Manager login screen, enter the user name and

password. The defaults are emsAdmin / emsAdmin.

Step 4. Verify that Antenna Power, RX Sensitivity, and Cal Cable Loss values are entered in