demodulate.m

对Vblast—oFdm系统地仿真

function [bits_out]  = demodulate(rx_symbols, modulation)

% We make 'soft' bit estimation for viterbi.
if modulation==1
	bits_out = BPSKDemod(rx_symbols);
elseif modulation==2
    bits_out = QPSKDemod(rx_symbols);
elseif modulation==4	
   bits_out = QAM16Demod(rx_symbols);
elseif moulation==6
   bits_out = QAM64Demod(rx_symbols);
else
   error('Undefined modulation');
end