汉普LTE类产品测试方法指导版本:V1.0共53页(包括封面)拟定测试部时间2016-11-2审核时间批准时间目录1.1CMW500初始配置设置........................................................................................................31.2最大发射功率测试.................................................................................................................91.3最大功率衰减(MPR).......................................................................................................111.3附加最大功率衰减(A-MPR)...........................................................................................131.3配置UE功率测试................................................................................................................151.4矢量幅度误差EVM(PUSCH).........................................................................................181.5频率误差...............................................................................................................................201.6占用带宽...............................................................................................................................201.7ACLR临道泄露比................................................................................................................211.8绝对功率控制容限...............................................................................................................251.9相对功率控制容限...............................................................................................................291.10带内发射(InBandEmissions).........................................................................................341.11IQConst...............................................................................................................................351.10EVMvsC(subcarrier)....................................................................................................381.11SpectrumFlatness................................................................................................................391.12SpectrumEmissionMask....................................................................................................412.1LTEExt.BLER......................................................................................................................422.2最大输入电平.......................................................................................................................45附录:.........................................................................................................................................47A.LTE对应频段..................................................................................................47B.EVM的计算....................................................................................................50C.频谱发射模板的通过判定..............................................................................50D.最大功率衰减的测试目的..............................................................................50E.LTE综测软件使用介绍..................................................................................51F.LTE校准校准环境的搭建...............................................................................531.1CMW500初始配置设置针对CMW500的初始化操作进行介绍,主要进行信令下的测试。初始化设置(1)点击CMW500左上角RESET键,弹出复位界面(2)选择Global菜单下的Reset选项,然后点击Reset按钮确认(3)设置线损,在LTESignaling界面下点击Config按钮,在RFSettings下选择测试端口以及线损,设置为1.00dB(4)设置功率控制模式,在LTESignaling界面下点击Config按钮,在UplinkPowerControl下选择TXPowerControl(TPC),ActiveTPCSetup选择为Maxpower模式。(6)网络连接设置,在LTESignaling界面下点击Config按钮,在Connection下选择AdditionalSpectrumEmission设置为NS_01模式。UEMeas.FilterCoefficient设置FC4模式。(7)点击面板上Measure按钮,选择LTE1MultiEval菜单(8)点击右下角Config按钮,选择LTE1MultiEval菜单,选择Scenario设置为CombinedSignalPath模式,即信令模式。(9)测试控制设置。选择MeasurementControl,设置Repetition为Continuous模式(10)选择Modulation,设置ModulationScheme为Auto模式(11)点击Measure选择LTESignaling模式(12)在OperatingBand内选择Band17,DownlinkChannel选择5780,CellBand选择为10MHz,点击面板上的ON按钮打开小区,开始注册。(13)小区显示Attached附着成功,点击Connect进行连接1.2最大发射功率测试(1)点击Measure,选择LTE1MultiEval进入测试界面。(2)点击Display,点击SelectView选择TXMeasurement,点击ON开始测试(3)点击SignalingParameter,点击RMC调出配置信息(4)点击SignalingParameter,点击RMC调出配置信息,设置UplinkRB为1,记录数据的均值就是QPSK调制下,1RB的最大发射功率。(4)点击SignalingParameter,点击RMC调出配置信息,设置UplinkRB为12,记录数据的均值就是QPSK调制下,12RB的最大发射功率。(5)通过准则:对应不同的LTE频段,最大发射功率的门限值为如下表:EUTRAbandClass1(dBm)Tolerance(dB)Class2(dBm)Tolerance(dB)Class3(dBm)Tolerance(dB)1—4023±2.71.3最大功率衰减(MPR)(1)点击Measure,选择LTE1MultiEval进入测试界面。(2)点击Display,点击SelectView选择TXMeasurement。(3)点击SignalingParameter,点击RMC调出配置信息,设置UplinkRB为50,记录数据的均值就是QPSK调制下,50RB的最大功率衰减。(4)点击SignalingParameter,点击RMC调出配置信息,设置UplinkRB为12,调制方式为16QAM,记录数据的均值就是16QAM调制下,12RB的最大功率衰减。(5)点击SignalingParameter,点击RMC调出配置信息,设置UplinkRB为50,调制方式为16QAM,记录数据的均值就是16QAM调制下,50RB的最大功率衰减。(6)通过准则:对应不同LTE频段,最大功率衰减(MPR)的门限值为如下表:E-UTRABandClass1(dBm)Tol.(Db)Class2(dBm)Tol.(dB)Class3(dBm)QPSKfullRBallocationTol.(dB))16QAMpartialRBallocationTol.(dB)16QAMfullRBallocationTol.(dB)1—4023+2.7/-3.7+2.7/-3.7+2.7/-4.71.3附加最大功率衰减(A-MPR)附加最大功率衰减是引入附加小区,以此来考察对通信小区的影响,不同频段下的附加小区类型是不一样的,下面以Band17,带宽为10MHz为例进行测试。Band17对应的附加小区是NS_06。(1)在LTESignaling界面下点击Config按钮,对应连接状态,附加频谱发射,将NS_01改成NS_06。选择TPC功率控制为MaxPower方式。(2)点击