tx_conv_encoder.m

OFDM系统的仿真代码MATLAB环境下

function coded_bit=tx_conv_encoder(in_bit)

global sim_consts;

if sim_consts.ConvCodeRate == 1/2
   trel = poly2trellis(3,[6 7]); % Define trellis.
   coded_bit = convenc(in_bit,trel); % Encode
   
elseif sim_consts.ConvCodeRate == 2/3
   trel = poly2trellis([5 4],[23 35 0; 0 5 13]);
   coded_bit = convenc(in_bit,trel);
   
elseif sim_consts.ConvCodeRate == 3/4
    
end