本科毕业论文(设计)
第 22 页
2.发射天线数nT为4，接收天线nR逐渐增大，4种不同信噪比下的信道容量仿真程序
程序代码如下：
x=[1,2,3,4,5,6,7,8,9,10,20,30];
y1=[0.9267,1.7682,2.5436,3.2482,3.8977,4.5062,5.0686,5.5634,6.0534,6.5123,9.4206, 11.0734];
plot(x,y1 ,'r') hold on
y2=[1.8720,3.5384,5.0226,6.3022,7.4272,8.4336,9.2894,10.0768,10.7693,11.4027, 15.1084,17.0578];
plot(x,y2 ,'g') hold on
y3=[3.1524,5.9879,8.3914,10.4579,12.1479,13.5424,14.6978,15.6897,16.5322,17.0927, 20.9439,22.4942];
plot(x,y3 ,'b') hold on
y4=[4.6711,8.9050,12.5479,15.4908,17.6953,19.4381,20.7939,21.9145,22.8506,23.6258,27.0859,28.8846];
plot(x,y4 ,'k'),grid on xlabel('接收天线数nR'); ylabel('容量/(bit/s/Hz)');
3.接收天线nR为4，发射天线数nT逐渐增大，4种不同信噪比下的信道容量仿真程序 程序代码如下：
x=[1,2,3,4,5,6,7,8,9,10,20,30];
y1=[2.1177,2.7428,3.0877,3.2612,3.3472,3.4298,3.5241,3.5681,3.5964,3.6174,3.7560, 3.7899];
plot(x,y1 ,'r') hold on
y2=[3.4491,4.9309,5.9981,6.4075,6.6011,6.7730,6.9885,7.1010,7.2006,7.3069,7.6129,
本科毕业论文(设计)
7.6546];
plot(x,y2 ,'g') hold on
第 23 页
y3=[5.0124,7.7014,9.5183,10.5682,11.1156,11.5987,11.9483,12.1547,12.3633,12.5237, 13.0893,13.3259];
plot(x,y3 ,'b') hold on
y4=[6.6068,10.7773,13.7736,15.5987,16.5676,17.2934,17.7721,18.1088,18.3576, 18.5360,19.2798,19.4907];
plot(x,y4 ,'k'),grid on xlabel('发射天线数nT'); ylabel('容量/(bit/s/Hz)');