convoluawgn.m

卷积码在AWGN信道下的实现 包括simulink文件与.m文件

er=-0.5:0.5:2;
Er=[er;er;er;er;er;er;er];
edd=poly2trellis(3,[5 7]);
for n=1:length(er)
    Ebb=er(n);
    sim('convolu');
    s3(n)=mean(s);
    En(n)=[er(n)]';
end
edd=poly2trellis(4,[15 17]);
for n=1:length(er)
    Ebb=er(n);
    sim('convolu');
    s4(n)=mean(s);
    En(n)=[er(n)]';
end
edd=poly2trellis(5,[23 35]);
for n=1:length(er)
    Ebb=er(n);
    sim('convolu');
    s5(n)=mean(s);
    En(n)=[er(n)]';
end
edd=poly2trellis(6,[53 75]);
for n=1:length(er)
    Ebb=er(n);
    sim('convolu');
    s6(n)=mean(s);
    En(n)=[er(n)]';
end
edd=poly2trellis(7,[133 171]);
for n=1:length(er)
    Ebb=er(n);
    sim('convolu');
    s7(n)=mean(s);
    En(n)=[er(n)]';
end
edd=poly2trellis(9,[753 561])
for n=1:length(er)
    Ebb=er(n);
    sim('convolu');
    s9(n)=mean(s);
    En(n)=[er(n)]';
end
semilogy(En,s3,'-<r');
hold on
semilogy(En,s4,'-s');
hold on
semilogy(En,s5,'-o');
hold on
semilogy(En,s6,'--*');
hold on
semilogy(En,s9);
grid on