%main_STBC_MIMO_OFDM.m
%這是一個(gè)基于空時(shí)分組編碼的MIMO_OFDM通信系統(tǒng)的仿真設(shè)計(jì)。
%此系統(tǒng)包括QPSK調(diào)制解調(diào)，IFFT調(diào)制，空時(shí)編解碼，基于訓(xùn)
%練符號(hào)的信道估計(jì)等通信模塊。

clear?all
close?all
clc

%+++++++++++++++++++++++++++變量++++++++++++++++++++++++++++++?
i=sqrt（-1）;?
IFFT_bin_length=512;?????????%傅立葉變換抽樣點(diǎn)數(shù)目??
carrier_count=100;???????????%子載波數(shù)目?
symbols_per_carrier=66;??????%符號(hào)數(shù)/載波?
cp_length=10;????????????????%循環(huán)前綴長(zhǎng)度?
addprefix_length=IFFT_bin_length+cp_length;?
M_psk=4;?
bits_per_symbol=log2（M_psk）;?%位數(shù)/符號(hào)?
%[x1?x2;-x2*?x1*]?二天線發(fā)送矩陣??
%?O=[1?2;-2+j?1+j];???
%[x1?-x2?-x3;x2*?x1*?0;x3*?0?x1*;0?-x3*?x2*]?三天線發(fā)送矩陣
O=[1?-2?-3;2+j?1+j?0;3+j?0?1+j;0?-3+j?2+j];???
co_time=size（O1）;???????????????????????????????????????????????????????????????????
Nt=size（O2）;????????????????%發(fā)射天線數(shù)目??
Nr=2;????????????????????????%接收天線數(shù)目?
%++++++

?屬性????????????大小?????日期????時(shí)間???名稱(chēng)
-----------?---------??----------?-----??----

?????文件??????10803??2009-03-22?23:14??MIMO通信系統(tǒng)\main_STBC_MIMO_OFDM.m

?????文件??????62976??2009-03-22?10:55??MIMO通信系統(tǒng)\STBC_MIMO_OFDM?源程序.doc

?????文件????????933??2009-03-21?13:24??MIMO通信系統(tǒng)\training_symbol.m

?????目錄??????????0??2009-09-08?15:06??MIMO通信系統(tǒng)

-----------?---------??----------?-----??----

????????????????74712????????????????????4