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,Wireless Business Unit,Agilent 8960(WCDMA),操作说明,第,1,章 基础知识,1.1 WCDMA,网络架构图,1.2 WCDMA,知识点,第,2,章,WCDMA,的基本设置,2.1 WCDMA,的切换,2.2 8960,控制状态的切换,2.3 8960,软体的选择,第,3,章,8960,测试前初始设置,3.1 BCCH+ATT,3.2 Speech Source,3.3 Security Operation,3.4 RLC,3.5 UE Target Power,第,4,章 常用测量项目及设置,4.1 WCDMA,的,RX,的测量方法及 算法,4.2 Maximum RF Output Power,4.3 Minimum RF Output Power,4.4 Occupied Bandwidth (OBW),4.5 Spectrum Emission Mask,4.6 Adjacent Channel Leakage Power Ratio (ACLR),4.7 Frequency Error,4.8 Error Vector Magnitude (EVM),4.9 Peak Code Domain Error,1.1 WCDMA,网络架构图,第三代行动通讯系统,WCDMA,包含,UE,、,UTRAN (UMTS terrestrial radio access network,陆地无线接入网,),、,CN,(,Core Network,)三大部分,其网络架,构图如下,:,第,1,章 基础知识,1.2 WCDMA,知识点,(1) CDMA,的容量是,GSM,的,5,倍,(2) WCDMA,的,Level,范围为,:015 (GSM,的,Level,范围为,: 519),No power level for WCDMA,(3) WCDMA:,TX Channel,:,96139887,频率:,1920MHz1980MHz,RX Channel,:,1056310837,频率:,2110MHz2170MHz,WCDMA,的,Loss frequency,的范围是从,1.8GHz,到,2.5GHz,(4) WCDMA,的频率与信道的换算方法为,:,Frequency,5=Channel,(GSM,无此关系,),(5) 3,频手机是,GSM900/1800/1900 3,个,频,段,.,第,2,章,WCDMA,的基本设置,2.1 WCDMA,的切换,2.2 8960,控制状态的切换,2.3 8960,软体的选择,第,3,章,8960,测试前初始设置,3.1 BCCH+ATT,3.2 Speech Source,3.3 Security Operation,3.4 RLC,3.5 UE Target Power,(,第,4,章 常用测量项目及设置,4.1 WCDMA,的,RX,的测量方法及算法,RSSI=(RSCP-115.5)-(ECNO/2-24.25),4.2 Maximum RF Output Power,初始设置:,Measurement Selection Thermal Power,Multi Measurement & Count Trigger Arm,4.3 Minimum RF Output Power,Measurement Selection Channel Power,其他设置类似于前面的,Thermal Power,4.4 Occupied Bandwidth (OBW),Measurement Selection Occupied Bandwidth,4.5 Spectrum Emission Mask,Measurement Selection Spectrum Emission Mask,4.6 Adjacent Channel Leakage Power Ratio (ACLR),Measurement Selection (ACLR),量测到的实际界面(左图),8960,测量到的值,ETSI,的,SPEC,值(可自行修改),4.7 Frequency Error,Measurement Selection Frequency Error,4.8 Error Vector Magnitude (EVM),Measurement Selection,Waveform Quality,这次测量后,把前面的,UE Target Power,由,24dBm,改为,-20dBm,再测量一次就可以了,4.9 Peak Code Domain Error,Measurement Selection,Waveform Quality,The END thanks!,The END thanks!,
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