MMSE.m ( File view )

  • By m.gh 2015-01-30
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			function H_MMSE = MMSE(RxP,TxP,N,pilotFrequency,h_CIR,SNR)
% I modified the MMSE_CE function provided in :MIMO-OFDM Wireless 
% Communications with MATLAB㈢   Yong Soo Cho, Jaekwon Kim, 
% Won Young Yang and Chung G. Kang
%2010 John Wiley & Sons (Asia) Pte Ltd
% The modification made the function more suitable with my OFDM Matlab code
noiseVar = 10^(SNR*0.1);
Np=N/pilotFrequency; % Number of Pilots
H_LS = RxP./TxP;  % LS estimate
k=0:length(h_CIR)-1; 
hh = h_CIR*h_CIR'; 
% tmp = h_CIR.*conj(h_CIR).*k;
r = sum(h_CIR.*conj(h_CIR).*k)/hh;  
r2 = (h_CIR.*conj(h_CIR).*k)*k.'/hh;
t_rms = sqrt(r2-r^2);     % rms delay
D = 1j*2*pi*t_rms/N; % Denomerator of Eq. (6.1
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Name Size Date
interpolate.m938.00 B04-06-14|15:13
MMSE.m1,020.00 B04-06-14|15:13
interpolate.m938.00 B04-06-14|15:13
OFDM_CE_LS_MMSE_v311.m9.33 kB02-01-15|09:43
Untitled.m7.89 kB21-01-15|01:00
OFDM_CE_LS_MMSE_v3.m5.04 kB23-01-15|21:17
New0.00 B0%|21-01-15
Channel0.00 B0|0
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