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Iterative Decision Feedback Channel Estimation Using Metrics Comparison for Burst Mode COFDM Transmission
Haruhito YOSHIDA Fumiaki MAEHARA Fumio TAKAHATA
IEICE TRANSACTIONS on Communications
Publication Date: 2006/12/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technologies
OFDM, channel estimation, forward error correction (FEC), decision feedback, iterative channel estimation,
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This letter presents an iterative decision feedback channel estimation scheme for burst mode COFDM transmission. The feature of the proposed scheme is that the channel estimation using metrics comparison is applied to the initial stage of the iterative mechanism, which makes it possible to provide a reliable data stream at the initial stage. Computer simulation results show that the proposed approach provides better BER than the traditional iterative decision feedback channel estimation scheme irrespective of the number of iterations.