任意发送天线，任意接收天线的STBC-MIMO-OFDM的MATLAB程序

STBC-MIMO-OFDM(--已仿真）任意发送天线，任意接收天线的STBC-MIMO-OFDM的MATLAB程序，其中包括完整的PSK调制，STBC编码，信道估计等)

clear all;

i=sqrt（-1）;
IFFT_bin_length=512;                                                                 %傅立叶变换抽样点数目 
carrier_count=100;                                                                   %子载波数目
symbols_per_carrier=66;                                                              %符号数/载波
cp_length=10;                                                                        %循环前缀长度
addprefix_length=IFFT_bin_length+cp_length;
M_psk=4;
bits_per_symbol=log2（M_psk）;                                                         %位数/符号

%O=[1 2;-2+j 1+j];                                                                   %Alamouti Scheme [x1 x2;-x2* x1*] 二天线发送矩阵
O=[1 -2 -3;2+j 1+j 0;3+j 0 1+j;0 -3+j 2+j];                                          %for [x1 -x2 -x3;x2* x1* 0;x3* 0 x1*;0 -x3* x2*] 三天线发送矩阵
co_time=size（O1）;                                                                  
Nt=size（O2）;                                                                        %发射天线数目 
Nr=2;                                                                                %接收天线数目

num_X=1;
for cc_ro=1:co_time
    for cc_co=1:Nt
        num_X=max（num_Xabs（real（O（cc_rocc_co））））;
    end
end

co_x=zeros（num_X1）;

for con_ro=1:co_time                                                                 %计算deltaepsiloneta and conj matrices
    for con_co=1:Nt                                                                  %用于确定矩阵“O”中元素的位置，符号以及共轭情况
        if abs（real（O（con_rocon_co）））~=0
            delta（con_roabs（real（O（con_rocon_co））））=sign（real（O（con_rocon_co）））; 
            epsilon（con_roabs（real（O（con_rocon_co））））=con_co;
            co_x（abs（real（O（con_rocon_co）））1）=co_x（abs（real（O（con_rocon_co）））1）+1;
            eta（abs（real（O（con_rocon_co）））co_x（abs（real（O（con_rocon_co）））1））=con_ro;
            coj_mt（con_roabs（real（O（con_rocon_co））））=imag（O（con_rocon_co））;
        end
    end
end

eta=eta.‘;                                                                           
eta=sort（eta）;
eta=eta.‘;

carriers = （1: carrier_count） + （floor（IFFT_bin_length/4） - floor（carrier_count/2））;   % 坐标： （1 to 100） + 14=（15:114）
conjugate_carriers=IFFT_bin_length-carriers+2;                                         % 坐标 ：256 - （15:114） + 1= 257 - （15:114） = （242:143） 
tx_training_symbols=training_symbol（Ntcarrier_count）;
baseband_out_length = carrier_count * symbols_per_carrier;

snr_min=3;                                                                             %最小信噪比   
snr_max=15;                                                                            %最大信噪比
graph_inf_bit=zeros（snr_max-snr_min+12Nr）;                                           %绘图信息存储矩阵
graph_inf_sym=zeros（snr_max-snr_min+12Nr）; 

for SNR=snr_min:snr_max                                                                %开始仿真 
  clc
  disp（‘Wait until SNR=‘）;disp（snr_max）;
  SNR
  n_err_sym=zeros（1Nr）;
  n_err_bit=zeros（1

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件      11150  2007-07-30 14:17  STBC-MIMO-OFDM.m

     文件        725  2007-07-28 11:59  training_symbol.m

----------- ---------  ---------- -----  ----

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