LS & MMSE channel estimators for OFDM
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Here is a simulation based proof highlighting the superiority of the MMSE[Min Mean Sq Error] channel estimator over the LS[Least Sq] estimator.The two parameters of evaluation turn out to be, quite logically, the SER[Symbol Error Rate] and the Mean Square Error.The channel is assumed to be g(t)=delta(t-0.5 Ts) delta(t-3.5 Ts)
For more information on the theory and formulae used , please do refer to the paper On "Channel Estimation In OFDM systems" By Jan-Jaap van de Beek, Ove Edfors, Magnus Sandell, Sarah Kate wilson and Petr Ola Borjesson In proceedings Of VTC'95 Vol 2 pg.815-819.The two sub folders contain the code for the simulations related to the two parameters , i.e SER and MSE..
Free download from Shareware Connection - LS & MMSE channel estimators for OFDM compares the performance of the LS and MMSE estimators for a 64 sub-carrier OFDM model
Version: 1.1 | Size: 10 KB | Platform: Matlab, Scripts
Released Date: 20-04-2013 | Rating: 0 | Title: LS & MMSE channel estimators for OFDM
Author Url: http://www.mathworks.com/
Program Info Url: http://www.mathworks.com/
Download Url: http://www.mathworks.com/matlabcentral/fx_files/11033/1/ls_mmse_updated.zip
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