mqam_cornaka_threetrmain.m

MIMO系统

%%%%%%%%%%%%%%%%%%MIMO系统MQAM通过相关Nakagami衰落信道进行各种分集技术的仿真(TR=3)%%%%%%%%%%%%%%%%%%%%%
clear;clc
% hold on
tic;
%Rou_gamma_Tx: correlation coefficient matrix of transmitter
%Rou_gamma_Rx: correlation coefficient matrix of receiver
%m: fading parameter
%omegap:  mean fading power omegap=E(x^2)
%N: number of transmit branches
%L: number of receive branches
%R: symbol transmission rate
%sel_num: select sel_num out of L diversity branchs
%parameters:
snr=14;%%平均比特信噪比
m=1;
Rou_gamma_Tx=[1 0 0;0 1 0;0 0 1];
N=3;%确定
Rou_gamma_Rx=[1 0;0 1];
L=2;
% sel_num=2;

x=10.^(snr/10);
% 信噪比(db转化)
R=1/2;
epsilon=3;
d=1;
BitRate=10000;
% 比特率(一帧中采样点的数目)
omegap=1;
for i=1:length(snr)
%    SNR=snr(i);
%     sgma=sqrt(30*omegap/(2*x(i)));
sgma=sqrt(d^2*omegap*5*L*epsilon/(4*R*x(i)));
    sim('MQAM_CORNAKA_ThreeTR');
%     仿真模块
    y(i)=mean(BitErrorRate);
%     输出平均错误概率
end
semilogy(snr,y,'*');
% toc;