OFDM信道估计和均衡的仿真程序，包括MMSE、LS、ZF等方法

使用迫零检测算法(ZF)，最小均方误差检测算法，排序的MMSE检测算法，相应的MMSE软检测算法.

%+----------------------------------------------------------------+
%|                                                                |
%|  Name: AWGN_noise.m                                            |
%|  Author: James Shen                                            |
%|  Description: Takes a signal and a SNR to output a noise       |
%|  sequence as a row vector.                                     |
%|                                                                |
%+----------------------------------------------------------------+

function[noise] = AWGN_noise（input SNR）;

% SNR = 10*log10（var（input）/var（noise））

noise = crand（1 length（input））*（ var（input）/（10^（SNR/10）） ）;

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     文件         703  2003-10-30 22:33  AWGN_noise.m
     文件        1033  2003-11-03 15:05  channel.m
     文件         897  2003-11-02 01:36  closest.m
     文件        3886  2003-11-02 01:38  ofdm_basic.m
     文件        7891  2003-11-03 14:51  ofdm_Hilbert.m
     文件        8347  2003-11-03 14:53  ofdm_LPF.m
     文件        2702  2003-11-03 15:19  ofdm_multisymbol.m
     文件        2666  2003-11-03 15:10  ofdm_multisymbol_LMMSE.m
     文件        2702  2003-11-03 15:12  ofdm_multisymbol_ZF.m
     文件        3325  2003-11-03 15:22  ofdm_rlsvslms.m
     文件        1680  2003-11-02 01:36  qamdemod.m
     文件        1428  2003-11-02 01:38  qammod.m
     文件        3131  2003-11-03 15:13  receiver_lmmse.m
     文件        3826  2003-11-03 15:18  receiver_rls.m
     文件        3081  2003-11-03 15:12  receiver_zf.m
     文件        2338  2003-11-03 15:04  transmitter.m