Recently, an elegant channel estimation method for OFDM mobile communication systems has been proposed by Sajjad Ahmed Ghauri . He has discussed the channel estimation in OFDM and its implementation in MATLAB using pilot based block type channel estimation techniques by LS and MMSE algorithms. His paper starts with the comparisons of OFDM using BPSK and QPSK on different channels, followed by modeling the LS and MMSE estimators on MATLAB. In the end, results of different simulations
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i need matlab code about OFDM Optical Wireless Communication Systems.