bpsk_system_ber_simulation.m

来自「这个程序是仿真加和不加golay编码的bpsk系统的ber及理论的ber」· M 代码 · 共 36 行

% BPSK System Simulation, Pe evaluation

echo on;
EbNo1=0:0.5:6;
EbNo2=0:0.1:6;
for i=1:length(EbNo1)
    [pb]=cm_sm32(EbNo1(i));               % simulated bit error rates without golay encode and decode
    smld_bit_err_prb(i)=pb;
    
    echo off;
end;
echo on;
for i=1:length(EbNo1)
    [pb1]=cm_sm32_golay(EbNo1(i));               % simulated bit error rates with golay encode and decode
    smld_bit_err_prb1(i)=pb1;
    
    echo off;
end;
echo on;
for i=1:length(EbNo2)
    SNR=exp(EbNo2(i)*log(10)/10);            % signal to noise ratio
    theo_err_prb(i)=0.5*erfc(sqrt(SNR));        % theoretical bit error rate
    echo off;
end;
echo on;
% Plotting commands follow
semilogy(EbNo1,smld_bit_err_prb,'r*');
hold
semilogy(EbNo1,smld_bit_err_prb1,'mo');
semilogy(EbNo2,theo_err_prb);
title('\bf BPSK-PERFORMANCE of BER WITH AND WITHOUT GOLAY CODE');
xlabel('\fontsize{10} \bf Eb/No(dB)');
ylabel('\fontsize{10} \bf BER');
legend('BPSK AWGN WITHOUT GOLAY','BPSK AWGN WITH GOLAY','BPSK AWGN(Theory)',3);
grid on;