tx_conv_encoder.m

ofdm simulation program.matlab

%
% 	Convolutional encoding with unipolar data

function coded_bits = tx_conv_encoder(in_bits)

global sim_consts;

number_rows = size(sim_consts.ConvCodeGenPoly, 1);
number_bits = size(sim_consts.ConvCodeGenPoly,2)+length(in_bits)-1;

uncoded_bits = zeros(number_rows, number_bits);

for row=1:number_rows
 uncoded_bits(row,1:number_bits)=rem(conv(in_bits, sim_consts.ConvCodeGenPoly(row,:)),2);
end

coded_bits=uncoded_bits(:);