viterbiqaminawgn.asv

Hard Viterbi QPSK in AWGN, Rayleight soft Viterbi QAM in AWGN, Rayleight viterbi QAM in AWGN, Rayl

SNR=[-5:1:10];
snr = 10.^(SNR/10); 
result_16qam = fopen('result_16qam_Viterbi.txt','r');
BER_16qam = fscanf(result_16qam,'%g');
fclose(result_16qam);
theo_16qam=3*qfunc(sqrt(4*snr/5))/4;
semilogy(SNR,BER_16qam,'c-s')
hold on
grid on
semilogy(SNR,theo_16qam,'k->')
hold on
grid on