User's Manual

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AdvancedRFTechnologies,Inc.  62
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Totalinputperband 10.0dBm 10.0dBm
HETotalInput 13.0dBm
The RFU can now be commissioned with the 10dB of attenuation by using a DL input commission level of
18dBm.
Table7‐6 HEmaximumdownlinkinputlevelafteradding10dBattenuatortoHEdownlinkinputport
WSP AT&T
Totalinputperband 10.0dBm 10.0dBm
Backoffperbandforbreathing 5.0dB 5.0dB
EstimatedTotalMaxInputperband 15.0dBm 15.0dBm
EstimatedTotalMaxInput 18.0dBm
AvailableMaxInput 25.0dBm
7.2.2.1.2.3 MultipleWSPs’signalsexistinthePCSband(withpowerratio)
Table7‐7displaysallthevariousincoming DLsignalsthatareenteringintotheHEPCSBCU.TheADX‐H‐BCU
hastotal3inputportsandintheexamplebeloweachporthasbeenassignedtoSprint,
AT&T,andVzW.
Table7‐7 Inputsignalconditions@HEBCUdownlinkinput
WSP Sprint‐CH1 AT&T‐CH2 VzW‐CH3
Technology CDMA GSM WCDMA CDMA
Totalinputperband 5.0dBm 10.0dBm 10.0dBm 7.0dBm
BCUTotalInput 14.5dBm
 CalculatemaximumDLinputlevelforeachWSPfactoringintheback‐offvalues.
Table7‐8 HEmaximumdownlinkinputlevel
WSP Sprint‐CH1 AT&T‐CH2 VZW‐CH3
Totalinputpercarrier 5.0dBm 10.0dBm 10.0dBm 7.0dBm
Backoffperbandforbreathing 4.0dB 5.0dB 5.0dB 4.0dB
EstimatedTotalMaxInputpercarrier 9.0dBm
15.0dBm 15.0dBm
11.0dBm
18.0dBm
 Basedon thecalculatedmaximum DLinputlevel foreachport,theuser should decideonatargetmaximum
InputpowerforeachBCUport.
‐ Targeted maximum Input power for each BCU port should not be less than the calculated
maximumDLinputlevelforeachportandshould
notexceedthemaximuminputlevel,25dBm.
Table7‐9 Targetedmaximuminputpower
WSP Sprint‐CH1 AT&T‐CH2 VZW‐CH3
Targetedmaximuminputpower
9.0dBm 18.0dBm 11.0dBm
19.2dBm
TargetedDLOutputPowerRatiosetbyuser 30.0% 20.0% 50.0%
 CalculatetheDLmaximumoutputpowerofBCUbasedontargetedmaximumInputpowerforeachBCUport.
‐ The highest power ratio that has been set is VZW‐ CH3 @ 50%.The ADX‐H‐BCU will apply
attenuation to this port to set the maximum output power to 5dBm,
 therefore 6dB of
attenuationwillbeappliedtothisport.