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An Iterative Receiver for Bit-Interleaved Coded OFDM in Impulsive Noise

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2 Author(s)
Bui, T.Q. ; Dept. of Electr. & Comput. Eng., Saskatchewan Univ., Saskatoon, Sask., Canada ; Nguyen, H.H.

Bit-interleaved coded modulation with iterative decoding (BICM-ID) and orthogonal frequency-division multiplexing (OFDM) have recently been considered separately to improve the error performance and/or spectral efficiency of communication systems disturbed by impulsive noise. Given the advantages of these two techniques, this paper proposes a novel combination of them in one system. The key feature of the proposed system, termed BI-COFDM-ID, is the iterative processing at the receiver where information exchange is carried out between the OFDM demodulator and the channel decoder. Results show that BI-COFDM-ID outperforms all the previously-proposed techniques at high signal-to-noise ratio (SNR) region and therefore it is attractive for applications that require high spectral efficiency and low bit error rate (BER).

Published in:

Communications and Electronics, 2006. ICCE '06. First International Conference on

Date of Conference:

10-11 Oct. 2006

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