95 lines
3.5 KiB
Matlab
95 lines
3.5 KiB
Matlab
function [rxPSDU,bitErrorRate,pktFormat,pktOffset,eqSymPlot,Jam_pos,feedback_data,evm,errorMessage] = RX_function(rx,userIdx,cfgUI,SEED)
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cfgRx = wlanHERecoveryConfig;
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cfgRx.ChannelBandwidth = cfgUI.ChannelBandwidth;
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ind = wlanFieldIndices(cfgRx);
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% 初始化，以防后续没有赋值--3.26
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rxPSDU = [];
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feedback_data = struct();
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feedback_data.staFeedback = [];
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feedback_data.PDP = [];
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feedback_data.rmsDelay = 0;
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feedback_data.DopplerShift = 0;
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feedback_data.rssi = 0;
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feedback_data.SNR = 0;
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feedback_data.JamType = '';
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feedback_data.JamData = [];
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frameIdx = 1;
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bitErrorRate = [];
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eqSymPlot = [];
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Jam_pos = [];
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pktFormat = '';
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pktOffset = 0;
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evm = 0;
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try
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[Type,jam_data,Jam_pos] = SpectrumSense(rx,cfgUI); % 进行频谱检测
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rxWaveLen = size(rx,1);
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pktOffset = wlanPacketDetect(rx,cfgRx.ChannelBandwidth);% 检测是否有帧到来
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% Adjust packet offset
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if isempty(pktOffset) || (pktOffset + ind.LSIG(2) > rxWaveLen)
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feedback_stat = 0;
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else
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feedback_stat = 1;
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end
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if feedback_stat==1
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% 前端处理
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[rx,pktOffset,gain] = rxFrontEnd(rx,pktOffset,ind,cfgRx);
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% 判断接收数据的包格式
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[cfgRx,~,ind] = pktFormatDetect(ind,pktOffset,rx,cfgRx);
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%-------0324-----临时判断是nonHT还是HE-----------
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if ~isfield(ind,'HEData')
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pktFormat = 'non-HT';
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fprintf('%s packet detected\n\n',pktFormat);
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[rxPSDU,bitErrorRate,eqSymPlot]=heSUspecial(rx,cfgRx,userIdx,frameIdx,rxPSDU,cfgUI,SEED,bitErrorRate,eqSymPlot);
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else
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pktFormat = cfgRx.PacketFormat;
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fprintf('%s packet detected\n\n',pktFormat);
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% 解数据包
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if strcmp(pktFormat,'HE-SU')
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flag = isDataEmpty(rx,cfgUI); % 判断数据长度是否为0，为0则是NDP
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if flag == 1 % 数据长度为0，说明是NDP
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% *******计算NDP反馈的结果*******
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pktFormat = 'NDP';
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%--------------------------------
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[staFeedback,PDP,rmsDelay,DopplerShift,rssi_dbm,SNR] = RX_NDPCal(rx,cfgUI,ind,pktOffset,gain);
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% feedback_data = struct();
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feedback_data.staFeedback = staFeedback;
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feedback_data.PDP = PDP;
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feedback_data.rmsDelay = rmsDelay;
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feedback_data.DopplerShift = DopplerShift;
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feedback_data.rssi = rssi_dbm;
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feedback_data.SNR = SNR;
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feedback_data.JamType = Type;
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feedback_data.JamData = jam_data;
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save(['TXPackets\NDPfeedback_for_User' num2str(userIdx) '.mat'],'feedback_data');
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elseif flag == 0 % 数据长度不为零，说明是SU数据包
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[rxPSDU,bitErrorRate,eqSymPlot] = heSURx(rx,cfgRx,userIdx,frameIdx,rxPSDU,cfgUI,SEED,bitErrorRate,eqSymPlot);
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end
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elseif strcmp(pktFormat,'HE-MU')
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[rxPSDU,bitErrorRate,eqSymPlot,evm]=heMURx(rx,cfgRx,userIdx,frameIdx,rxPSDU,cfgUI,SEED,bitErrorRate,eqSymPlot);
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end
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end
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end
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rxPSDU = int16(rxPSDU);
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bitErrorRate = double(bitErrorRate);
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pktOffset = double(pktOffset);
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eqSymPlot = double(eqSymPlot);
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Jam_pos = double(Jam_pos);
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feedback_data.staFeedback = double(feedback_data.staFeedback);
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feedback_data.PDP = double(feedback_data.PDP);
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feedback_data.DopplerShift = double(feedback_data.DopplerShift);
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feedback_data.rssi = double(feedback_data.rssi);
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feedback_data.SNR = double(feedback_data.SNR);
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feedback_data.JamData = double(feedback_data.JamData);
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evm = double(evm);
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errorMessage = '';
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catch ErrorInfo
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errorMessage = ErrorInfo.message;
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end
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end |