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QR-RLS based adaptive channel TEQ for OFDM Wireless LAN
Published in
Pages: 46 - 51
In this paper, QR-RLS based adaptive channel TEQ(Time Domain Equalizer) to make the OFDM systems robust for delay spreads exceeding the CP(cyclic prefix) is presented. The performance of the proposed method is compared with standard LMS and exponentially weighted RLS based TEQ, in terms of computational complexity and BER. QR decomposition using Givens transformation results in better computational complexity compared to standard RLS and QRD based on gram schmidt orthogonalization process. The simulation results show that this method gives better results as compared to the aforementioned methods. © 2008 IEEE.
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