pbcurves_rayleigh_rsencoded.m

来自「短波信道抗多音干扰的性能分析及其仿真」· M 代码 · 共 15 行

% 瑞利衰落信道,维特比译码,(15,7) RS码纠错
Eb_to_Nj_in_dB_Q1=[0,3,6,9,10,11,12,13,14,15];
Pb_Q1=[0.4779,0.4604,0.4008,0.248,0.1628,7.75e-2,2.17e-2,4.63e-3,5.08e-4,6.69e-5];
Eb_to_Nj_in_dB_Q2=[0,3,6,9,10,11,12,13,14];
Pb_Q2=[0.4682,0.4308,0.3292,0.10548,3.59e-2,8e-3,1.16e-3,1.14e-4,2.28e-5];
Eb_to_Nj_in_dB_Q8=[0,3,6,9,10,11];
Pb_Q8=[0.4516,0.4021,0.1626,2.43e-3,4.1752e-4,4.32e-5];

% Draw Pb vs.Eb/Nj performance curves
semilogy(Eb_to_Nj_in_dB_Q1,Pb_Q1,':.',Eb_to_Nj_in_dB_Q2,Pb_Q2,':o',Eb_to_Nj_in_dB_Q8,Pb_Q8,':x');
axis([0,16,0.9e-5,1]);
grid on;
title('瑞利衰落信道下(15,7)RS码的性能曲线');
xlabel('Eb/Nj (dB)');
ylabel('误码率 Pb');