passage-3 本程序是mazen.O的经典论文：Performance Analysis of two-hop ralayed transmissions over rayleigh fading channels 的文章中所附的仿真图的程序

本程序是mazen.O的经典论文：Performance Analysis of two-hop ralayed transmissions over rayleigh fading channels 的文章中所附的仿真图的程序，跑出的结果和文章中的附图是一样的！可以跑出里面的三张图，包括瑞利衰落下中继信道的中

clc
clear all;
close all;


% Monte Carlo simulation of two Exponential RVs
avg_y1=1;
avg_y2=2;
n_loop=100000;
MonteCarlo=[];
x=0.05:0.1:4-0.05;
y1=exprnd（avg_y1[1 n_loop]）;
y2=exprnd（avg_y2[1 n_loop]）;
y=y1.*y2./（y1+y2）;
yy=y1.*y2./（y1+y2+1）;
n=hist（yx）./n_loop*10;
figure（1）;
bar（xn）;
hold on
K1 = besselk（12*x./sqrt（avg_y1.*avg_y2））;
K0 = besselk（02*x./sqrt（avg_y1.*avg_y2））;
py=（2*x.*exp（-x.*（1/avg_y1+1/avg_y2））./（avg_y1.*avg_y2））.*（（avg_y1+avg_y2）./sqrt（avg_y1.*avg_y2）.*K1+2.*K0）;
plot（x+0.05py‘r‘）;
legend（‘\itsimulation‘‘\itanalysis‘）;
ylabel（‘probability‘）;
xlabel（‘SNR‘）;

% outage probability of two gains
yth=1;
for avg=1:40
avg_y1=10^（avg/10）;
avg_y2=10^（avg/10）;
n_loop=1000000;
y1=exprnd（avg_y1[1 n_loop]）;
y2=exprnd（avg_y2[1 n_loop]）;
y=

 属性            大小     日期    时间   名称
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    I.A....      1944  2014-06-05 09:56  passage 3.m

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                 1944                    1