An Equalization Technique for OFDM Systems in Fast-Fading Multipath Channels at Low SNR

Bin SHENG  Yuying ZHOU  Xiaohu YOU  

Publication
IEICE TRANSACTIONS on Communications   Vol.E89-B   No.2   pp.618-620
Publication Date: 2006/02/01
Online ISSN: 1745-1345
DOI: 10.1093/ietcom/e89-b.2.618
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technologies
Keyword: 
OFDM,  equalization,  channel estimation,  Rayleigh fading,  

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Summary: 
In this letter, a novel channel estimation method is proposed for frequency-domain equalization of OFDM systems in fast fading multipath channels. It is shown by computer simulations that the proposed method can not only estimate the channel impulse response (CIR) accurately but also achieve lower BER than conventional method at low signal-to-noise ratio (SNR).