www.gusucode.com > 基于VBLAST-OFDM的MATLAB SIMULATION，图形化界面，并且给出了各仿真图 > 基于VBLAST-OFDM的MATLAB SIMULATION，图形化界面，并且给出了各仿真图/vblast-ofdm simulation/tx_conv_encoder.m

    %
% 	Convolutional encoding with unipolar data

function coded_bits = tx_conv_encoder(in_bits)

global SimulationConstants;

number_rows = size(SimulationConstants.ConvCodeGenPoly, 1);
number_bits = size(SimulationConstants.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, SimulationConstants.ConvCodeGenPoly(row,:)),2);
end

coded_bits=uncoded_bits(:);