OFDM导频信道估计

关于利用导频来进行OFDM符号传播信道的信道估计，很好的分析了不同噪声干扰下的信道性能

%加噪聲
function output=add_noise（sgmainput）
         [nnl]=size（input）;
         for k=1:nl
            for m=1:n
                noise=normrnd（0sgma）+normrnd（0sgma）*sqrt（-1）;              
                output（mk）=input（mk）+noise;
            end
         end

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

     文件        277  2009-03-12 10:19  05375110梁振业matlab仿真\add_noise.m

     文件        218  2009-04-25 21:45  05375110梁振业matlab仿真\del_cp.m

     文件        300  2009-04-25 21:40  05375110梁振业matlab仿真\de_map.m

     文件        311  2009-04-25 21:37  05375110梁振业matlab仿真\de_map1.m

     文件        299  2009-04-25 21:40  05375110梁振业matlab仿真\de_map4.m

     文件        561  2009-04-25 21:40  05375110梁振业matlab仿真\de_p.m

     文件       1097  2009-04-25 21:44  05375110梁振业matlab仿真\de_qam16.m

     文件        432  2009-04-25 21:44  05375110梁振业matlab仿真\de_qam4.m

     文件        290  2009-04-25 21:47  05375110梁振业matlab仿真\error_count.m

     文件       4740  2009-04-26 16:39  05375110梁振业matlab仿真\est_3ways.m

     文件       7185  2009-04-26 17:32  05375110梁振业matlab仿真\insert_2way.m

     文件        289  2009-03-22 10:28  05375110梁振业matlab仿真\insert_cp.m

     文件        803  2009-04-25 21:58  05375110梁振业matlab仿真\insert_pilot.m

     文件        790  2009-04-25 21:54  05375110梁振业matlab仿真\insert_pilot2.m

     文件        541  2009-04-25 22:01  05375110梁振业matlab仿真\insert_pilot_keep.m

     文件       1089  2009-04-25 22:04  05375110梁振业matlab仿真\jakes.m

     文件        861  2009-04-25 22:07  05375110梁振业matlab仿真\lmmse_estimation.m

     文件        576  2009-04-25 22:09  05375110梁振业matlab仿真\ls_estimation.m

     文件        311  2009-04-25 22:11  05375110梁振业matlab仿真\map_16_QAM.m

     文件        308  2009-04-25 22:10  05375110梁振业matlab仿真\map_4_QAM.m

     文件       8902  2009-04-26 17:47  05375110梁振业matlab仿真\modulation.m

     文件        281  2009-04-25 22:13  05375110梁振业matlab仿真\multi_chan.m

     文件        542  2009-04-25 22:14  05375110梁振业matlab仿真\qam16.m

     文件        142  2009-04-25 22:14  05375110梁振业matlab仿真\qam4.m

     文件         87  2009-04-26 18:08  05375110梁振业matlab仿真\readme.txt

     文件       1225  2009-04-25 22:10  05375110梁振业matlab仿真\SVD_estimation.m

     文件       7597  2009-04-26 16:22  05375110梁振业matlab仿真\trainning_vs_pilot.m

     文件      35384  2009-04-25 10:50  05375110梁振业matlab仿真\三种估计算法的比较.emf

     文件      31908  2009-04-26 17:46  05375110梁振业matlab仿真\多径情况下BPSK4QAM和16QAM调制方式的比较.emf

     文件      34016  2009-04-26 17:53  05375110梁振业matlab仿真\多径情况下三种估计算法的比较.emf

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