86WCDMA网络优化案例与经验-中国移动v1.1

WCDMAWCDMAPhone:02168896535E-mail:WCDMAPhone:02168896535E-mail:•WCDMA•;†•UMTS•••••UMTS•UMTS•NoiseRiseFailureUMTSUMTS•78%95.1%98.7%UMTS•PilotPower10dBNoiseRiseUMTS•NoiseRiseLimit10dBPilot10dBUMTS•70426426436PilotEc/IoAEc/IoUMTS•••Cell2•Cell1•Cell3Cell2Cell3Ec/Io•Ec/Io••Cell3Cell2•Cell3Cell3•Cell3Cell3Cell3Cell3UMTS••426•426•4263dB••AEc/Io•UMTS••UMTS•••UMTS•351015•5015•100•60•••32••••••••20426424426414426414•414426•••••••Ec/Io•7200100%•Ec/IoFailure(78%)•33dBm38dBmEc/IoFailuresEb/NoFailures•,(DominantServer)•(DominantServer)••UE•UEUE•UE••••UEEc/Io•IdleUE•UEEc/Io•Ec/Io•Scanner•AUE-85dBm•UEAEc/Io-13dBA•438437437439•240230•UE-85dBmEc/Io-13dB•436()434()436434•1a1b1a1b2dB4dBTimetoTrigger640ms200ms5dB7dBTimetoTrigger640ms1280ms1a1b•434436436•T300N300UE“RRCConnectionRequest”T300RNC“RRCConnectionSetup”UE“RRCConnectionRequest”N300T300N300T300D5000D2000N30035•70426426()426()CPICHPower33dBm30dBmMaxTxPower43dBm40dBm†;•••••••••••UE••Ec/Io•••UE•LocalMean••=++(dBm)WilliamLee•403650•0.8UMTS•5.6m•3611cm•Scanner•61/6•Scanner10ms660ms1s5.620km/h••361dB17•dB45.117/36=•••20km/h••Pilot-68dBm(Pilot-72dBm(-72dBm-68dBm••C.d.f•5%(95%)0.5dB•()••••RNC••••Scanner•UE•ScannerPilotStrength•UE(UplinkTxPower)••(CCSR,CallCompletionSuccessrate)PilotStrength•••()••Pilot•••••()•••