mqam_cornaka_bllr_threetrmain.m

MIMO系统

%%%%%%%%%%%%MIMO系统，MQAM通过相关Nakagami信道进行BLLR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
%sel_num: select sel_num out of L diversity branchs
%parameters:
snr=4;%%平均比特信噪比
m=2;
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;
% 码元速率(一帧中采样点符号的数目)
omegap=1;
for i=1:length(snr)
%    SNR=snr(i);
%     sgma=sqrt(30*omegap/(2*x(i)*4));
sgma=sqrt(d^2*omegap*5*L*epsilon/(4*R*x(i)));
    sim('MQAM_CORNAKA_BLLR_ThreeTR');
%     仿真模块
    y3(i)=mean(BitErrorRate);
%     输出平均错误概率
end
semilogy(snr,y3,'*');
toc;