% eNodeB配置rng (“默认”);%设置默认随机数字生成器rmc = lteRMCDL (“R.5”);% RMC配置rmc.PDSCH。RVSeq = 0;%冗余版本指标rmc。TotSubframes = 20;%的子帧生成总数%创建与随机PDSCH eNodeB传输数据txWaveform = lteRMCDLTool (rmc,兰迪([0,1],rmc.PDSCH.TrBlkSizes (1), 1));

%挣值管理模型都与加性噪声ofdmInfo = lteOFDMInfo (rmc);txEVMpc = 1.2;%挣值管理传输都在百分之evmModel = txEVMpc /(100 * 12(双(ofdmInfo.Nfft))) *…复杂(randn(大小(txWaveform)), randn(大小(txWaveform))) /√(2);rxWaveform = txWaveform + evmModel;%增加接收波形频率偏移障碍foffset = 33.0;%在赫兹频率偏移t =(0:长度(rxWaveform) 1)。“/ ofdmInfo.SamplingRate;rxWaveform = rxWaveform。* repmat (exp(1 * 2 *π* foffset * t), 1, rmc.CellRefP);%增加智商抵消iqoffset =复杂(0.01,-0.005);rxWaveform = rxWaveform + iqoffset;

%频率估计和修正申请执行的目的%的时间同步rxWaveform foffset_est = lteFrequencyOffset (rmc);rxWaveformFreqCorrected = lteFrequencyCorrect (rmc rxWaveform foffset_est);%接收波形同步抵消= lteDLFrameOffset (rmc rxWaveformFreqCorrected,“TestEVM”);rxWaveform = rxWaveform(1 +抵消:最终,);%使用TestEVM飞行员平均cec。PilotAverage =“TestEVM”;

%计算和显示维生素与测量[evmmeas,情节]= hPDSCHEVM (cec, rmc rxWaveform);

%负载波形捕获的测试模型(tmsignal, SR) = hGetTestModelWaveform ();%创建一个本地测试模型配置,对应于已知的E-TM%数量和带宽tmconfig = lteTestModel (“1.1”,“5兆赫”);ofdmInfo = lteOFDMInfo (tmconfig);%重新取样捕获的波形匹配预期的采样率%的LTE工具箱带宽的测试模型tmsignal =重新取样(tmsignal ofdmInfo.SamplingRate, SR);%频率估计和修正申请执行的目的%的时间同步foffset_est = lteFrequencyOffset (tmconfig tmsignal);tmsignalFreqCorrected = lteFrequencyCorrect (tmconfig tmsignal foffset_est);%同步捕获的波形抵消= lteDLFrameOffset (tmconfig tmsignalFreqCorrected,“TestEVM”);tmsignal = tmsignal(1 +抵消:最终,);%计算维生素与测量,绘制禁用cec。PilotAverage =“TestEVM”;alg。EnablePlotting =“关闭”;evm_tm = hPDSCHEVM (tmconfig, cec、tmsignal alg);