tx_conv_encoder.m

该文件夹给出了卷积编码、交织及维特比软译码仿真程序

%
% 	Convolutional encoding with unipolar data

function coded_bits = tx_conv_encoder(in_bits)
%输入串行待编码比特序列in_bits
ConvCodeGenPoly=[1 0 1 1 0 1 1;1 1 1 1 0 0 1];%卷积码生成式，K=7,k=1,n=2

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

coded_bits=uncoded_bits(:);