%检查“蓝牙协议的通信工具箱库”%支金宝app持包是否安装。comm金宝appSupportPackageCheck (“蓝牙”)；

rxPerformanceTest =“互调”；%从集合{'C/I'， 'Blocking'， 'Intermodulation'}中选择一个%根据蓝牙RF-PHY测试规范选择PHY传输模式phyMode =“LE1M”；% {LE1M, LE2M, LE500K, LE125K}表示C/I% {LE1M, LE2M}用于闭塞和互调%根据性能测试，选择IUT的操作频率%通用访问配置文件(GAP)角色，如下表所示。% --------------------------------------------------------------------------------%操作|外围和中央设备|广播和观察者设备|%频率| | |％（MHz）| ----------------------------- | --------------------------------- |% | C/I |阻断|互调| C/I |阻断|互调|% ----------|------|----------|---------------|------|----------|----------------|％最低|2406 |-  |2402 |2402 |-  |2402 |%中| 2440 | 2426 | 2440 | 2426 | 2426 | 2426 |％最高|2476 |-  |2480 |2480 |-  |2480 |% --------------------------------------------------------------------------------Fc = 2426 e6;%操作频率，单位为HzpayloadLength =37；％有效载荷长度以字节为单位，必须在范围内[37,255]sps = 40;%每个符号的样本数%基于PHY传输模式，以Hz计算采样率Rsym = 1 e6;如果比较字符串(phyMode“LE2M”) Rsym = 2e6;结束Fs = Rsym * sps;

%生成所需的信号，该信号总是带有PRBS9的调制载波%的有效载荷payloadTypeWanted = 0;% PRBS9序列的有效负载类型wantedWaveform = helperBLETestWaveform (phyMode payloadTypeWanted payloadLength, sps);%产生干扰信号#1，该信号是带有a的调制载波% PRBS15载荷payloadtypeinterference = 3;% PRBS15序列的有效负载类型interferenceWaveform1 = helperBLETestWaveform (phyMode payloadTypeInterference payloadLength, sps);

%上转换覆盖BLE射频频段的插值因子% (2400e6至2485e6)interpFactor =装天花板(2 * 2485 e6 / Fs);创建一个数字上变频器系统对象upConv = dsp。DigitalUpConverter (．..“InterpolationFactor”interpFactor,．..“SampleRate”Fs,．..“带宽”2 e6,．..“StopbandAttenuation”44岁的．..“PassbandRipple”, 0.5,．..“CenterFrequency”、Fc);将基带波形上转换为通带wantedWaveformUp = upConv ([wantedWaveform; 0 (8 * sps, 1)]);

(α,β,γ,interferenceFreq1 interferenceFreq2] =．..helperBLETestParamGenerate (rxPerformanceTest Fc, phyMode);

pktCnt = 10;%包数maxInterferenceParams = min(长度(interferenceFreq1), pktCnt);%用于仿真的最大干扰参数数重复所有的干扰参数，以便PER可以被平均%所选接收机的整个干扰频率范围％ 性能测试。repFact =装天花板(pktCnt / maxInterferenceParams);%重复的因素betaRep = repmat(βrepFact 1);gammaRep = repmat(γrepFact 1);interferenceFreq1Rep = repmat (interferenceFreq1 repFact 1);interferenceFreq2Rep = repmat (interferenceFreq2 repFact 1);

%基于缓冲器上转换并存储干扰波形#1%大小，以便存储的干扰波形可以重复使用%包计数超过缓冲区大小。interferenceWaveform1Up = 0(长度(wantedWaveformUp), maxInterferenceParams);如果任何(strcmp (rxPerformanceTest, {“C /我”，“互调”})）为i = 1: maxInterferenceParams释放upConv (upConv)。CenterFrequency = interferenceFreq1Rep(我);interferenceWaveform1Up(:,我)= upConv ([interferenceWaveform1; 0 (8 * sps, 1)]);结束结束%初始化一个变量，以重用干扰波形#1j =快速眼动(1:pktCnt, maxInterferenceParams);j(j == 0) = maxInterferenceParams;%创建一个数字下变频系统对象downConv = dsp。DigitalDownConverter (．..“DecimationFactor”interpFactor,．..“SampleRate”Fs * interpFactor,．..“带宽”2 e6,．..“StopbandAttenuation”44岁的．..“PassbandRipple”, 0.5,．..“CenterFrequency”、Fc);%创建自动增益控制系统对象agc = comm.AGC (“DesiredOutputPower”1);创建一个热噪声系统对象NF = 12;%噪声系数(dB)thNoise = comm.ThermalNoise (“NoiseMethod”，“噪声图”，．..“SampleRate”, interpFactor * Fs,．..“NoiseFigure”、NF);%时间矢量产生正弦未调制干扰信号，即。%干扰信号#2。t =(0:(长度(wantedWaveformUp) 1))。/ (interpFactor * Fs);pktLost = 0;%初始化计数器为我= 1:pktCnt%产生干扰波形#2，这是一个正弦%未调制的信号。根号2保证了。的幂％正弦信号标准化。interferenceWaveform2 = sqrt (2) * sin(2 *π* interferenceFreq2Rep(我)* t);将干扰信号加到所需信号中rxWaveform = alpha*wantedWaveformUp + betaRep(i)*interferenceWaveform1Up(:，j(i)) + gammaRep(i)*interferenceWaveform2;chanOut = thNoise(复杂的(rxWaveform));给信号添加热噪声downConvOut = downConv(真正的(chanOut));%进行频率下转换agcOut = agc (downConvOut);%应用自动增益控制(有效载荷,accessAddr) = bleIdealReceiver (agcOut,“模式”phyMode,．..“SamplesPerSymbol”sps,“WhitenStatus”，“关闭”)；提取消息信息[crcFail, pdu] = helperBLETestPacketValidate(有效载荷,accessAddr);%验证BLE测试包pktLost = pktLost + crcFail;结束确定PER值每= pktLost / pktCnt;

%设置频谱查看器spectrumScope = dsp。简介(．..“SampleRate”, interpFactor * Fs,．..“SpectralAverages”10．..“YLimits”(-160 0),．..“标题”，“通缉及干扰信号频谱”，．..“SpectrumUnits”，dBm的，．..“NumInputPorts”2,．..“ChannelNames”, {“想要的信号”，干扰信号的}，．..“ShowLegend”,真的,．..“FrequencySpan”，“启动和停止频率”，．..“StartFrequency”2400 e6,．..“StopFrequency”2485 e6,．..“RBWSource”，“属性”，．..“RBW”1 e5,．..“PlotAsTwoSidedSpectrum”、假);如果比较字符串(rxPerformanceTest“C /我”) spectrumScope(α* wantedWaveformUp betaRep(结束)* interferenceWaveform1Up(:,结束)elseif比较字符串(rxPerformanceTest“阻止”) spectrumScope。StartFrequency = 30 e6;spectrumScope(α* wantedWaveformUp gammaRep(结束)* interferenceWaveform2)其他的spectrumScope。NumInputPorts = 3;spectrumScope。ChannelNames = {“想要的信号”，的干扰信号# 1，“干扰信号# 2”};spectrumScope(α* wantedWaveformUp betaRep(结束)* interferenceWaveform1Up(:,结束),gammaRep(结束)* interferenceWaveform2)结束

berTable = [0.1 0.064 0.034 0.017]*0.01;如果(payloadLength <= 37) refBER = berTable(1);elseif(payloadLength <= 63) refBER = berTable(2);elseif(payloadLength <= 127) refBER = berTable(3);其他的refBER = berTable (4);结束accessAddLen = 4;%访问地址的字节长度crcLengthBytes = 3;% CRC长度，以字节为单位pduHeaderLen = 2;%报头长度，以字节为单位refPER = 1 - (1-refBER) ^ ((payloadLength + accessAddLen + pduHeaderLen + crcLengthBytes) * 8);流('对于%d字节的有效负载长度，测量的PER和参考PER分别为%f， %f .\n',每payloadLength refPER);

如果per <= refPER fprintf(“%s性能测试通过。\n”, rxPerformanceTest);其他的流(“%s性能测试失败。\n”, rxPerformanceTest);结束