ofdm系统模型，包含信道估计 FFT变换 QPSK 16QAM调.rar

OFDM的系统的仿真程序，建立完整的通信系统，使用到FFT变换，比较不同调制方式的仿真

function HLs=ChannelEstimate（SymFFTOFDM_per_SymbolNptraining_symbolsCarrier_NumLIpilot）

SymFFT1=SymFFT.‘;
Rx_training_symbols=SymFFT1（:pilot）;
Rx_training_symbols0=reshape（Rx_training_symbolsOFDM_per_Symbol*Np1）;

training_symbols0=reshape（training_symbols1OFDM_per_Symbol*Np）;
training_symbols1=diag（training_symbols0）;
training_symbols2=inv（training_symbols1）;
Hls=training_symbols2*Rx_training_symbols0;
Hls1=reshape（HlsOFDM_per_SymbolNp）;
HLs=[];
HLs2=[];
if mod（Carrier_NumLI）==0
    for k=1:Np-1
        HLs2=[];
        for j=1:LI
            HLs1（:1）=（Hls1（:k+1）-Hls1（:k））*（j-1）/LI+Hls1（:k）;
            HLs2=[HLs2HLs1];
        end
        HLs=[HLsHLs2];
    end
else
    for k=1:Np-2
        for j=1:LI
            HLs1（:1）=（Hls1（:k+1）-Hls1（:

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

     文件       4415  2007-06-07 08:31  work_test\channel estimate\FFT_estimate_no_estimate.m

     文件       5018  2007-06-05 11:24  work_test\channel estimate\main_test2_Doppler_.m

     文件       4206  2007-06-04 23:04  work_test\channel estimate\no_FFT_estimate_no_estimate.asv

     文件       4207  2007-06-07 08:17  work_test\channel estimate\no_FFT_estimate_no_estimate.m

     目录          0  2007-06-15 09:22  work_test\channel estimate

     文件       1083  2007-05-20 20:12  work_test\ChannelEstimate.m

     文件        336  2007-05-21 09:03  work_test\ChannelEstimate_test.m

     文件       4163  2007-06-03 23:31  work_test\FFT_compare\main_no_GI.m

     文件       4172  2007-06-04 11:20  work_test\FFT_compare\main_with_GI.m

     文件       4174  2007-06-03 23:29  work_test\FFT_compare\no_FFT_no_GI.m

     文件       4261  2007-06-04 01:12  work_test\FFT_compare\no_FFT_with_GI.m

     目录          0  2007-06-15 09:22  work_test\FFT_compare

     文件        815  2007-05-20 19:52  work_test\function\rx_16QAM_mod.m

     文件        530  2007-06-04 14:27  work_test\function\rx_QPSK_mod.m

     文件        546  2007-05-20 19:33  work_test\function\tx_16QAM_mod.m

     文件        332  2007-06-06 08:21  work_test\function\tx_QPSK_mod.m

     目录          0  2007-06-15 09:22  work_test\function

     文件       4210  2007-06-15 11:21  work_test\main.asv

     文件       4256  2007-06-15 11:34  work_test\main.m

     文件       4172  2007-06-06 08:17  work_test\mod_compare\main_16QAM.m

     文件       4212  2007-06-06 22:24  work_test\mod_compare\main_BPSK.asv

     文件       4203  2007-06-07 08:49  work_test\mod_compare\main_BPSK.m

     文件       4170  2007-06-07 08:40  work_test\mod_compare\main_QPSK.m

     文件        530  2007-06-06 09:19  work_test\mod_compare\rx_QPSK_mod.m

     文件        332  2007-06-06 09:15  work_test\mod_compare\tx_QPSK_mod.m

     目录          0  2007-06-15 09:22  work_test\mod_compare

     文件       4885  2007-05-21 21:56  work_test\pilot.m

     文件        815  2007-05-20 19:52  work_test\rx_16QAM_mod.m

     文件        530  2007-06-04 14:27  work_test\rx_QPSK_mod.m

     文件        546  2007-05-20 19:33  work_test\tx_16QAM_mod.m

............此处省略6个文件信息