OFDMA Transmitter: https://github.com/WiLab/sdruWiLab/blob/master/sdruTxRx/private/generateOFDMSignal_TX2.m Arrange Data per user Receiver: https://github.com/WiLab/sdruWiLab/blob/master/sdruTxRx/PHYReceive.m (Add input from transmitter)