资源简介

本人MIMO系统课程设计,不同信噪比,收发天线组合下信道容量仿真,全,简单,帮助你了解MIMO系统

资源截图

代码片段和文件信息

clear all
close all
clc 
SNR_db =[101520];
SNR =10.^(SNR_db/10);
color = [‘k‘;‘r‘;‘b‘;‘k‘;‘b‘;‘r‘];
shape1 = [‘-s‘;‘-d‘;‘-p‘;‘-h‘];
shape2 = [‘-*‘;‘-o‘;‘-<‘;‘-+‘];
%wucha = [00.010.040.090.160.250.360.490.640.811]

wucha = [1e-41e-31e-21e-11]
wuchashu=[12345]
y=1e2;
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%等收发天线组合,不同信噪比
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%发送天线数目等于接收天线数目dt=dr
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

dt=[1 2 3 4]; %发射天线数
dr=[4 4 4 4]; %接受天线数
for(i=1:length(SNR))
  for(k=1:length(wucha))
    for(x=1:y)
    [Cf(x)Cg(x)U(x)]=xindaorongliangbuwanquan(wucha(k)SNR(i)44); 
    end
    Cwf(k)=sum(Cf)/y; %注水算法信道容量
    Cdg(k)=sum(Cg)/y; %等功率算法信道容量
    u(k)=sum(U)/y;    %返回不同信噪比时的注水线u
    Cwd1(k)=Cwf(k)-Cdg(k);%注水-等功率增益差
    Cwd2(k)=Cdg(k)/Cwf(k);%等功率/注水增益
  end
    f1=figure(1);
    hold on
    grid on
    plot(wuchashuCwfshape2(i:)‘color‘‘k‘)                %注水曲线
%    plot(SNR_dbCdgshape2(i:)‘color‘‘k‘)   %等功率曲线
 %   legend(‘注水3*3‘‘等功率3*3‘‘注水4*4‘‘等功率4*4‘‘注水5*5‘‘等功率5*5‘‘注水6*6‘‘等功率6*6‘‘Location‘‘northwest‘)
        legend(‘SNR=10dB‘‘SNR=15dB‘‘SNR=20dB‘‘0.16‘‘Location‘‘northwest‘)
    xlabel(‘SNR/dB‘);
    ylabel(‘Capacity/bits/s/Hz‘);
    f2=figure(2)
    hold on
    grid on
       plot(wuchashuCdg‘color‘‘k‘)
  
    
 %   plot(SNR_dbCwd1shape2(i:)‘color‘‘k‘)                 %注水-等功率增益差曲线
%    legend(‘注水-等功率3*3‘‘注水-等功率4*4‘‘注水-等功率5*5‘‘注水-等功率6*6‘‘Location‘‘northeast‘)  %注水-等功率增益差曲线
legend(‘4发4收‘‘5发5收‘‘6发6收‘‘Location‘‘northeast‘)  %注水-等功率增益差曲线
    xlabel(‘SNR/dB‘);
    ylabel(‘Capacity/bits/s/Hz‘);
    f3=figure(3)
    hold on
    grid on
%    plot(SNR_dbCwd2shape2(i:)‘color‘‘k‘)                 %注水-等功率增益比曲线
%    legend(‘等功率/注水3*3‘‘等功率/注水4*4‘‘等功率/注水5*5‘‘等功率/注水6*6‘‘Location‘‘northwest‘)  %注水-等功率增益比曲线
        legend(‘EPA/WF4发4收‘‘EPA/WF5发5收‘‘EPA/WF6发6收‘‘Location‘‘northwest‘)  %注水-等功率增益比曲线
    xlabel(‘SNR/dB‘);
    ylabel(‘Ratio/无单位‘);
end


 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2011-10-21 17:46  MIMO\
     文件        2428  2011-06-02 12:34  MIMO\buwuanquanxindao.m
     文件        6008  2011-05-28 23:11  MIMO\mimo yuan.m
     文件        5905  2011-10-16 19:44  MIMO\mimo.m
     文件        3793  2011-05-31 20:07  MIMO\mimotianxianguding.m
     文件        2367  2011-05-31 18:39  MIMO\mimoxinzaobi.m
     文件        1667  2011-06-01 20:30  MIMO\sanzhongxitong.m
     文件         784  2011-05-24 10:18  MIMO\xindaorongliang.m
     文件         229  2011-05-25 19:33  MIMO\xindaorongliang1.m
     文件         137  2011-05-26 00:49  MIMO\xindaorongliang2.m
     文件         812  2011-06-02 12:11  MIMO\xindaorongliangbuwanquan.m

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