124 lines
5.3 KiB
Matlab
124 lines
5.3 KiB
Matlab
%*********************************lql03.21修改*********************************
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function [paraCal,tx_data,cfgUI,errorMessage] = TX_transmit(numPkt,SEED,cfgUI,feedback_data,txPSDUfile)
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% try
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if strcmp(cfgUI.DataType,'photo')
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pktLength = cfgUI.user1.APEPlength;
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% 包长度与包个数自适应判断 zjd3.26
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if numPkt*pktLength >= length(txPSDUfile(:,1)) % 如果当前包长度在5个包内能传输当前数据量
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for pktNum = 1:numPkt % 判断当前包长度下最少用几个包传数据
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if pktNum*pktLength >= length(txPSDUfile(:,1))
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numPkt = pktNum;
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break
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end
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end
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else % 当前包长度不能在5个包内能传输当前数据量，自动调整
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if numPkt*7007 >= length(txPSDUfile(:,1))
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for pktNum = 1:numPkt % 判断当前包长度下最少用几个包传数据
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if pktNum*7007 >= length(txPSDUfile(:,1))
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numPkt = pktNum;
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pktLength = 7007;
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break
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end
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end
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else
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for pktNum = 1:numPkt % 判断当前包长度下最少用几个包传数据
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if pktNum*12012 >= length(txPSDUfile(:,1))
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numPkt = pktNum;
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pktLength = 12012;
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break
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end
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end
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end
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end
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% 配置计算后的参数
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cfgUI.user1.APEPlength = pktLength;
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cfgUI.user2.APEPlength = pktLength;
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cfgUI.user1.t = ones(1,numPkt);
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cfgUI.user2.t = ones(1,numPkt);
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end
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if strcmp(cfgUI.FeedbackMode,'feedback')
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[cfgHE,RU_index,cfgUI] = parameter_fromAlgorithm(cfgUI,feedback_data);% 根据反馈数据配置RU
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else
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[cfgHE,RU_index,cfgUI] = parameter_fromUI(cfgUI); % 参数与RU配置
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end
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%*********************************lql03.21修改*********************************
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showResourceMatrix(cfgHE,cfgUI,RU_index); % 展示资源分配情况
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txPSDU = DataGenerate(cfgUI,numPkt,SEED,cfgHE,txPSDUfile);
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% for i = 1:length(txPSDU)
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% txPSDU{i} = HESU_gen(txPSDU,cfgUI.ChannelBandwidth,cfgHE.User{1}.MCS);
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% end
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tx_data = [];
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% HE-SU
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if strcmp(cfgUI.UserMode,'SU')
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txPSDU = txPSDU{1};
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% --------------------------------zjd0323修改-----------------------
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for pnum = 1 : numPkt
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[txPad,cfgHE]=TX_SU(cfgHE,txPSDU(:,pnum));
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tx_awgn = wgn(600,cfgHE.NumTransmitAntennas,-20,'complex');
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tx_data = [tx_data;txPad;tx_awgn]; % 帧间补零
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end
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tx_data = [tx_awgn(1:50,:);tx_data]; % 帧头补零
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elseif strcmp(cfgUI.UserMode,'MU')
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% HE-MU
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if strcmp(cfgUI.FeedbackMode,'feedback')
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%*********************************lql03.21修改*********************************
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% 补充虚拟用户的feedback_data
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for nuser = 1 : length(cfgHE.User)
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STAID = cfgHE.User{nuser}.STAID;
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if STAID == 0
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eval(['Feedback_data.user' num2str(nuser) '= feedback_data.user2']);
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else
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eval(['Feedback_data.user' num2str(nuser) '= feedback_data.user' num2str(STAID)]);
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end
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end
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staFeedback = cell(1,length(cfgHE.User));
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for userIdx = 1:length(cfgHE.User)
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eval(['staFeedback{userIdx} = Feedback_data.user' num2str(userIdx) '.staFeedback;']);
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end
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%*********************************lql03.21修改*********************************
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cfgNDP = wlanHESUConfig('APEPLength',0,'GuardInterval',0.8); % No data in an NDP
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cfgNDP.NumTransmitAntennas = cfgHE.NumTransmitAntennas;%??
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cfgNDP.NumSpaceTimeStreams = 1;%??
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% For each RU calculate the steering matrix to apply
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for ruIdx = 1:numel(cfgHE.RU)
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% Calculate the steering matrix to apply to the RU given the feedback
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steeringMatrix = heMUCalculateSteeringMatrix(staFeedback,cfgHE,cfgNDP,ruIdx);
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% Apply the steering matrix to each RU
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cfgHE.RU{ruIdx}.SpatialMapping = 'Custom';
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cfgHE.RU{ruIdx}.SpatialMappingMatrix = steeringMatrix;
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end
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elseif strcmp(cfgUI.FeedbackMode,'openloop')
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for ruIdx = 1:numel(cfgHE.RU)
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% Apply the steering matrix to each RU
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% cfgHE.RU{ruIdx}.SpatialMapping = cfgUI.user1.SpatialMapping;%% --???
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cfgHE.RU{ruIdx}.SpatialMapping = 'Hadamard';
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end
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end
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% Generate waveform with idle period
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for pnum = 1 : numPkt
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userString = '{';
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for nuser = 1 : length(cfgHE.User)
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userString = [userString 'txPSDU{' num2str(nuser) '}(:,pnum),'];
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end
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txPSDUtmp = eval([userString(1:(end-1)) '}']); %%------------需添加CRC
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tx = wlanWaveformGenerator(txPSDUtmp,cfgHE);
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tx_awgn = wgn(600,cfgHE.NumTransmitAntennas,-20,'complex');
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% awgn(zeros(600,cfgHE.NumTransmitAntennas),20,'linear',1,'all');
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tx_data = [tx_data;tx;tx_awgn]; % 帧间补零
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end
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tx_data = [tx_awgn(1:50,:);tx_data]; % 帧头补零
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% tx_data = awgn(tx_data,30,mean(abs(tx_data(1:1000)).^2)); % 添加噪声
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end
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paraCal = calculate_PAPR(tx_data(1500:2500,:));
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errorMessage = '';
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% catch ErrorInfo
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% paraCal = 0;
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% tx_data = [];
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% cfgUI = struct();
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% errorMessage = ErrorInfo.message;
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% end
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end |