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  • 大小: 2KB
    文件類型: .m
    金幣: 1
    下載: 0 次
    發布日期: 2021-05-14
  • 語言: Matlab
  • 標簽: MIMO??MMSE??ZF??檢測??

資源簡介

本人原創程序,可執行MIMO的MMSE、ZF檢測并畫出SNR與誤碼率BER圖。不足之處請指正!

資源截圖

代碼片段和文件信息

clc
clear?all
close?all
%%%%%%%%%%%parameter
N=10^7;
SNR_dB=15:5:50;
SNR=10.^(SNR_dB/10);
nTx=2;
nRx=2;
%%%%%%%%%%%produce?QPSK?signals
for?i=1:length(SNR_dB)
????S0=rand(1N)>0.5;
????S=zeros(1N/2);
????for?n=1:length(S0)/2
????????p=S0(2*n-1);
????????q=S0(2*n);
????????if?(p==0)&&(q==0)???%45?
????????????S(n)=exp(1j*pi/4);
????????end
????????if?(p==1)&&(q==0)???%135
????????????S(n)=exp(1j*3*pi/4);
????????end
????????if?(p==1)&&(q==1)???%225
????????????S(n)=exp(1j*5*pi/4);
????????end
????????if?(p==0)&&(q==1)???%315
????????????S(n)=exp(1j*7*pi/4);?
????????end
????end
???%%%%%%%%transmitter
????smod=reshape(S[nTx1N/nTx/2]);?
????y=zeros(nRx1);
????re=zeros(nTx1size(smod3));
????re1=zeros(nTx1size(smod3));
????for?t=1:size(smod3)
????????h=sqrt(1/2)*(randn(n

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