資源簡介
本程序是mazen.O的經典論文：Performance Analysis of two-hop ralayed transmissions over rayleigh fading channels 的文章中所附的仿真圖的程序，跑出的結果和文章中的附圖是一樣的！可以跑出里面的三張圖，包括瑞利衰落下中繼信道的中
代碼片段和文件信息
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=?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
????I.A....??????1944??2014-06-05?09:56??passage?3.m
-----------?---------??----------?-----??----
?????????????????1944????????????????????1
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