• 大小: 3KB
    文件类型: .zip
    金币: 2
    下载: 0 次
    发布日期: 2024-01-03
  • 语言: Matlab
  • 标签: AWGN  matlab  FBMC  

资源简介

FBMC 的 AWGN 信道仿真(matlab实现) The simulation of FBMC with AWGN channel.

资源截图

代码片段和文件信息

%% FBMC/OQAM
%% FBMC-AWGN: BER verus SNR for FBMC/OQAM using polyphase structure  

%%------------------------------------------------------------------------------------------------------------%%
%
%             “Prototype filter and filter bank structure“
% FBMC/OQAM with noise
%%------------------------------------------------------------------------------------------------------------%%
clc
clear all;
%%------------------------------------------------------------------------------------------------------------%%
%                                               Intialization
%%------------------------------------------------------------------------------------------------------------%%
nd=2; %number of OQAM sample per symbols (not change)
M=512;% number of sub-channels
K=4; % overlapping factor(good K=4) 
lp=K*M-1;% prototype filter length
SNR= 0:5; % signal to noise ratio
nloop=10;  % Number of simulation loops
Rate0= zeros(1 length(SNR));
%%------------------------------------------------------------------------------------------------------------%%
%                                           Design of Prototype Filter 
%%------------------------------------------------------------------------------------------------------------%%
%  low pass filter FIR
y=[1 0.97195983 sqrt(2)/2 0.23514695 ]; % coefficient of filter when K=4
yy=[1 0.911438 0.411438];% coefficient of filter when K=3
yyy=[1 sqrt(2)/2];% coefficient of filter when K=2
u=lp-1;
s=2*pi/(K*M);
for m=0:u-1
    r=m+1;
p(m+1)=y(11)-2*y(12)*cos(r*s)+2*y(13)*cos(2*r*s)-2*y(14)*cos(3*r*s);% prototype filter equation K=4
%p(m+1)=yy(11)-2*yy(12)*cos(r*s)+2*yy(13)*cos(2*r*s); % prototype filter equation K=3
%p(m+1)=yyy(11)-2*yyy(12)*cos(r*s); % prototype filter equation K=2
%p(m+1)=1; % prototype filter equation for OFDM
end
p=[0 p 0]; % extra delay sample (z^-2)
ty=p; % 
%%------------------------------------------------------------------------------------------------------------%
%%------------------------------------------------------------------------------------------------------------%%
%%------------------------------------------------------------------------------------------------------------%%
%                                               Transmitter 
%%------------------------------------------------------------------------------------------------------------%%
for ebn0=1:length(SNR)
ebn0
for iii=1:nloop  
% Data generation
q=2;% binary data
m=4;% modulation level
In_Data=randi([0 q-1]M1);% random input data M x 1
% OQAM Modulation
[OQAM_In_Data]=OQAM_preprocessing(In_DatamM); % OQAM modulation M x nd
%%------------------------------------------------------------------------------------------------------------%%
%                                               Transform Block  
%%------------------------------------------------------------------------------------------------------------%%
%% beta carrier 
for k

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     文件        7575  2013-10-14 08:57  FMBC_OQAM_AWGN.m
     文件         510  2013-10-14 08:57  OQAM_postprocessing.m
     文件         490  2013-10-13 22:54  OQAM_preprocessing.m

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