vblasti_figure.m

v-blast4x4_dast程序

%snr=0:3:27;  
%err1=[0.3593 0.3325 0.2687 0.2186 0.1455 0.0885 0.0450 0.0216 0.0101 0.0046];  %Alamouti   归一划发射功率
%err3=[0.3151 0.2478 0.1673 0.1061 0.0537 0.0309 0.0147 0.0080 0.0041 0.0020]; %Alamouti2   调整噪声 
%snr = -4:2:12;
%err1 = [0.3734 0.3559 0.3394 0.3242 0.3058 0.2697 0.2431 0.1945 0.1515];
%err3 = [0.3484 0.3284 0.2886 0.2213 0.1361 0.0663 0.0269 0.0086 0.0015];
snr1 = 0:2:22;
err1 = [0.3371 0.3273 0.2919 0.2779 0.2399 0.2040 0.1518 0.1000 0.0501 0.0183 0.0057 0.0016];
snr3 = 0:2:14;
err3 = [0.2814 0.2271 0.1729 0.1048 0.0578 0.0226 0.0081 0.0019];
semilogy(snr1,err1,'b<-');
hold on;
semilogy(snr3,err3,'rs-');
% semilogy(snr,aver_ratio3,'bx-');
grid on;
title('4×4 性能仿真结果');
xlabel('比特信噪比(dB)');
ylabel('误比特率');
legend('no WF(4×4)','WF(4×4)');