Hi all,
I am using Gnuradio and USRP X300. I am implementing OFDM communication using 16 or 64 QAM modulation scheme. I am using the example of OFDM given by Gnuradio, and just changing the payload modulation to 16QAM. I cannot correctly demodulate all the samples, but QPSK works fine. I know QAM has the different signal power. I wish to know if I wish to demodulate the M-QAM signal, how to control the receiving power to calibrate different signals to different powers. Best regards, Shangqing
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