802.11广告包错误率单载波与TGay PHY模拟通道

%格式创建一个配置对象cfgDMG = wlanDMGConfig;mcs =“9”;% MCS指定为一个字符串标量或字符串向量cfgDMG。PSDULength = 4096;% PSDULength以字节为单位

%得到采样率和指定载波频率fs = wlanSampleRate (cfgDMG);fc = 60 e9;%创建一个TGay通道对象tgayChan = wlanTGayChannel;tgayChan。SampleRate = f;tgayChan。CarrierFrequency = fc;tgayChan。环境=“开放区域热点”;tgayChan.TransmitArray。大小= 4 [4];tgayChan。TransmitArrayPosition = [0;0;6);%米tgayChan。TransmitArrayOrientation = [0;270;0);%度tgayChan.ReceiveArray。大小= 4 [4];tgayChan。ReceiveArrayPosition = [6;6;1.5);%米tgayChan。ReceiveArrayOrientation = [90;0;0);%度tgayChan。BeamformingMethod =“最大功率雷”;tgayChan。NormalizeImpulseResponses = true;tgayChan。NormalizeChannelOutputs = false;

showEnvironment (tgayChan);

ppm = 20;%的时钟精度驱动CFO (ppm)freqOffset = ppm * 1 e-6 *俱乐部;%载波频率偏移(赫兹)延迟= 500;%样本推迟波形zeroPadding = 100;% 0添加到允许通道延迟

:0.5:0 snrRanges = {-2.5,…% MCS 1-0.5:0.75:3.5,…% MCS 21.0:0.75:5,…% MCS 31.5:0.75:5.5,…% MCS 42.0:0.75:6.0,…% MCS 52.5:0.75:6.5,…% MCS 63:0.75:7,…% MCS 74.5:0.75:8.5,…% MCS 86:0.5:8.5,…% MCS 97.0:0.5:9.5,…% MCS 9.18.5:1:13.5,…% MCS 109.5:1.0:14.5,…% MCS 1110.5:1.25:17.0,…% MCS 1211.5:1.5:19.0,…% MCS 12.113.0:1.0:18,…% MCS 12.214.0:1.0:19,…% MCS 12.317.0:1.5:25,…% MCS 12.419.0:2:29,…% MCS 12.519.5:2:30};% MCS 12.6

maxNumErrors = 10;%的最大数据包数量错误的信噪比maxNumPackets = 100;%的最大数据包数量的信噪比

numSNR =元素个数(snrRanges {1});%的信噪比点如果~ isstring (mcs)错误(的MCS必须指定为字符串标量或字符串向量的);结束numMCS =元素个数(mcs);%的MCS数量packetErrorRate = 0 (numMCS numSNR);进行下一代Ngi = 64;%固定GI标准中定义的长度(20.6.3.2.5)validMCS =字符串(排序([1:12 9.1 - 12.1:0.1:12.6]));为imc = 1: numMCS cfgDMG。MCS = MCS (imc);如果~ strcmp (phyType (cfgDMG),“SC”)错误(“这个例子只支持DMG SC PHY模万博1manbetx拟”);结束印第安纳州= wlanFieldIndices (cfgDMG);信噪比= snrRanges {mcs (imc) = = validMCS};从MCS %信噪比点来模拟% parfor isnr = 1: numSNR %使用parfor加快仿真为isnr = 1: numSNR%使用‘为’调试仿真%设置随机substream每迭代确保每个索引%迭代使用一组可重复的随机数字流= RandStream (“combRecursive”,“种子”1);流。Substream = isnr;RandStream.setGlobalStream(流);%设置仿真参数numPacketErrors = 0;numPkt = 1;%指数传输的数据包而numPacketErrors < = maxNumErrors & & numPkt < = maxNumPackets%生成一个数据包波形psdu =兰迪([0,1],cfgDMG.PSDULength * 8, 1);txWaveform = wlanWaveformGenerator (psdu cfgDMG);%添加延迟和落后于0tx =[0(延迟,1);txWaveform;0 (zeroPadding 1)];%通过TGay传输通道。重置的通道%每个包的不同实现。重置(tgayChan);chanOut = tgayChan (tx);%添加噪声rx = awgn (chanOut,信噪比(isnr));%添加首席财务官rx = frequencyOffset (rx, fs freqOffset);%包检测阈值= 0.03;%对低信噪比pktStartOffset = dmgPacketDetect (rx 0阈值);如果isempty (pktStartOffset)%如果空没有发现算法;包错误numPacketErrors = numPacketErrors + 1;numPkt = numPkt + 1;继续;%去下一个循环迭代结束%频率偏移估计和修正月31 = rx (pktStartOffset + (ind.DMGSTF (1): ind.DMGSTF (2)));fOffsetEst = dmgCFOEstimate (31);rx = frequencyOffset (rx, fs -fOffsetEst);%符号定时和信道估计preamblefield = rx (pktStartOffset + 1: pktStartOffset + ind.DMGHeader (2):);[symbolTimingOffset,陈]= dmgTimingAndChannelEstimate (preamblefield);startOffset = pktStartOffset + symbolTimingOffset;%如果没有足够的样品解码检测数据字段开始,%然后假设同步误差和数据包误差如果(startOffset + ind.DMGData(2)) >大小(rx, 1) numPacketErrors = numPacketErrors + 1;numPkt = numPkt + 1;继续;%去下一个循环迭代结束%噪声估计使用重复序列的算法月31 = rx (pktStartOffset + (ind.DMGSTF (1): ind.DMGSTF (2)));据nvar = dmgSTFNoiseEstimate (31);%提取数据字段(忽略第一个GI)rxData = rx (startOffset + (ind.DMGData(1) +进行下一代Ngi): ind.DMGData (2)));%线性频域均衡rxEqDataBlks = dmgSingleCarrierFDE (rxData,成龙,据nvar);%独特的词阶段跟踪rxEqDataBlks = dmgUniqueWordPhaseTracking (rxEqDataBlks);%丢弃GI块rxDataSym = rxEqDataBlks (1: end-Ngi,:);%恢复传输PSDU DMG数据字段据nvar dataDecode = wlanDMGDataBitRecover (rxDataSym, cfgDMG);%确定任何比特错误,即数据包错误packetError =任何(biterr (psdu dataDecode));numPacketErrors = numPacketErrors + packetError;numPkt = numPkt + 1;结束%计算包错误率在信噪比点(/)packetErrorRate (imc isnr) = numPacketErrors / (numPkt-1);disp(加入(["主持人:"cfgDMG.MCS“信噪比”…num2str(信噪比(isnr))“完成”后…num2str (numPkt-1)”包,每:“…num2str (packetErrorRate (imc, isnr))),”“));结束结束

标记=“牛* sd ^ v > < ph值+牛* sd ^ v ';颜色=“bmcrgbrkymcrgbrkymc”;图;为imc = 1: numMCS semilogy (snrRanges {mcs (imc) = = validMCS}, packetErrorRate (imc,:)。’,“- - -”标记(imc)颜色(imc)]);持有在;结束网格在;包含(“信噪比(dB)”);ylabel (“每”);dataStr = arrayfun (@ (x) sprintf (“MCS % s”mcs, x)“UniformOutput”、假);传奇(dataStr);标题(“每对DMG SC-PHY TGay频道”);