HE/TX_transmit.m

%*********************************lql03.21修改*********************************
function [paraCal,tx_data,cfgUI,errorMessage] = TX_transmit(numPkt,SEED,cfgUI,feedback_data,txPSDUfile)
% try
if strcmp(cfgUI.DataType,'photo')
    pktLength = cfgUI.user1.APEPlength;
     % 包长度与包个数自适应判断 zjd3.26
    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
        for pktNum = 1:numPkt % 判断当前包长度下最少用几个包传数据 
            if pktNum*pktLength >= length(txPSDUfile(:,1))
                numPkt = pktNum;
                break
            end
        end
    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
        if numPkt*7007 >= length(txPSDUfile(:,1))
            for pktNum = 1:numPkt % 判断当前包长度下最少用几个包传数据 
                if pktNum*7007 >= length(txPSDUfile(:,1))
                    numPkt = pktNum;
                    pktLength = 7007;
                    break
                end
            end
        else
            for pktNum = 1:numPkt % 判断当前包长度下最少用几个包传数据 
                if pktNum*12012 >= length(txPSDUfile(:,1))
                    numPkt = pktNum;
                    pktLength = 12012;
                    break
                end
            end
        end
    end
    % 配置计算后的参数
    cfgUI.user1.APEPlength = pktLength;
    cfgUI.user2.APEPlength = pktLength;
    cfgUI.user1.t = ones(1,numPkt);
    cfgUI.user2.t = ones(1,numPkt);
end
if strcmp(cfgUI.FeedbackMode,'feedback')
    [cfgHE,RU_index,cfgUI] = parameter_fromAlgorithm(cfgUI,feedback_data);% 根据反馈数据配置RU
else
    [cfgHE,RU_index,cfgUI] = parameter_fromUI(cfgUI);    % 参数与RU配置
end
%*********************************lql03.21修改*********************************
showResourceMatrix(cfgHE,cfgUI,RU_index); % 展示资源分配情况
txPSDU = DataGenerate(cfgUI,numPkt,SEED,cfgHE,txPSDUfile);
% for i = 1:length(txPSDU)
%     txPSDU{i} = HESU_gen(txPSDU,cfgUI.ChannelBandwidth,cfgHE.User{1}.MCS);
% end


tx_data = [];
% HE-SU
if strcmp(cfgUI.UserMode,'SU')
    txPSDU = txPSDU{1};
% --------------------------------zjd0323修改----------------------- 
    for pnum = 1 : numPkt
        [txPad,cfgHE]=TX_SU(cfgHE,txPSDU(:,pnum));      
        tx_awgn = wgn(600,cfgHE.NumTransmitAntennas,-20,'complex');
        tx_data = [tx_data;txPad;tx_awgn]; % 帧间补零 
    end
    tx_data = [tx_awgn(1:50,:);tx_data]; % 帧头补零

elseif strcmp(cfgUI.UserMode,'MU')
% HE-MU
    if strcmp(cfgUI.FeedbackMode,'feedback')

%*********************************lql03.21修改*********************************
        % 补充虚拟用户的feedback_data
        for nuser = 1 : length(cfgHE.User)
            STAID = cfgHE.User{nuser}.STAID;
            if STAID == 0
                eval(['Feedback_data.user' num2str(nuser) '= feedback_data.user2']);
            else
                eval(['Feedback_data.user' num2str(nuser) '= feedback_data.user' num2str(STAID)]);
            end
        end
        staFeedback = cell(1,length(cfgHE.User));
        for userIdx = 1:length(cfgHE.User)
            eval(['staFeedback{userIdx} = Feedback_data.user' num2str(userIdx) '.staFeedback;']);
        end
%*********************************lql03.21修改*********************************
        cfgNDP = wlanHESUConfig('APEPLength',0,'GuardInterval',0.8); % No data in an NDP
        cfgNDP.NumTransmitAntennas = cfgHE.NumTransmitAntennas;%??
        cfgNDP.NumSpaceTimeStreams = 1;%??
        % For each RU calculate the steering matrix to apply
        for ruIdx = 1:numel(cfgHE.RU)
            % Calculate the steering matrix to apply to the RU given the feedback
            steeringMatrix = heMUCalculateSteeringMatrix(staFeedback,cfgHE,cfgNDP,ruIdx);
            % Apply the steering matrix to each RU
            cfgHE.RU{ruIdx}.SpatialMapping = 'Custom';
            cfgHE.RU{ruIdx}.SpatialMappingMatrix = steeringMatrix;
        end
    elseif strcmp(cfgUI.FeedbackMode,'openloop')
        for ruIdx = 1:numel(cfgHE.RU)
            % Apply the steering matrix to each RU
%             cfgHE.RU{ruIdx}.SpatialMapping = cfgUI.user1.SpatialMapping;%% --???
            cfgHE.RU{ruIdx}.SpatialMapping = 'Hadamard';
        end
    end
    % Generate waveform with idle period
    for pnum = 1 : numPkt
        userString = '{';
        for nuser = 1 : length(cfgHE.User)
            userString = [userString 'txPSDU{' num2str(nuser) '}(:,pnum),'];
        end
        txPSDUtmp = eval([userString(1:(end-1)) '}']); %%------------需添加CRC
        tx = wlanWaveformGenerator(txPSDUtmp,cfgHE);
        tx_awgn = wgn(600,cfgHE.NumTransmitAntennas,-20,'complex');
%         awgn(zeros(600,cfgHE.NumTransmitAntennas),20,'linear',1,'all');
        tx_data = [tx_data;tx;tx_awgn]; % 帧间补零
    end
    tx_data = [tx_awgn(1:50,:);tx_data]; % 帧头补零
%     tx_data = awgn(tx_data,30,mean(abs(tx_data(1:1000)).^2)); % 添加噪声
end      
paraCal = calculate_PAPR(tx_data(1500:2500,:));
errorMessage = '';
% catch ErrorInfo
%     paraCal = 0;
%     tx_data = [];
%     cfgUI = struct();
%     errorMessage = ErrorInfo.message;
% end
end