function byte = HESU_gen(byteIn,psduLength,userIdx)
PSDULength = psduLength(userIdx);
%Create a sequence of data bits and generate an HE SU waveform.
byteInLen=size(byteIn,1);

bits = zeros(8*PSDULength,1,'double');
%bits = randi([0 1],8*PSDULength,1,'int8');

if(byteInLen > 1)
    if(byteInLen <= PSDULength)
        bits(1:8*byteInLen) = int8(int2bit(byteIn,8));
    else
        bits = int8(int2bit(byteIn(1:PSDULength),8));
    end
end

byte = int16(bit2int(bits,8));

%sr = wlanSampleRate(cfgHESU); % Sample rate
% TxWaveform = wlanWaveformGenerator(bits,cfgHESU);
%TxWaveform = wlanWaveformGenerator(bits,cfgHESU);
% TxWaveform = 0.25.*TxWaveform;
%Rx = TxWaveform;
end