rx_demodulate.m

对基本调制解调进行了详细的阐述,包括BPSK,QPSK,16QAM,64QAM

function [demodata]  = rx_demodulate(rx_symbols, num_bits)
%************************* demodulate *************************************
switch (num_bits)
    case 1
        demod_bits = rx_bpsk_demod(rx_symbols);
    case 2
        demod_bits= rx_qpsk_demod(rx_symbols);
    case 3
        demod_bits= rx_8bpsk_demod(rx_symbols);
    case 4
        demod_bits= rx_qam16_demod(rx_symbols);
    case 6
        demod_bits= rx_qam64_demod(rx_symbols);      
    otherwise
        disp('Undefined modulation');
end

demod_bits_out = demod_bits(:)';
demodata = demod_bits_out>0;