Presentation 2014-03-10
An Optimization of Interleaver for Convolutionally Coded BICM-OFDM over Frequency-Selective Block Fading Channels
Yuta HORI, Hideki OCHIAI,
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Abstract(in English) A bit-interleaved coded modulation (BICM) system combined with orthogonal frequency-division multiplexing (OFDM) has been adopted in many recent wireless standards, where the random interleaver is commonly assumed due to its simplicity of analysis for BICM. On the other hand, the recent results have shown that BICM using convolutional code without any interleaving shows better performance than that with bit interleaving over an AWGN channel without fading. Nevertheless, the interleaver design suitable for BICM with convolutional code over general fading channels has not been well studied. In this work, we propose an approach for optimizing conventional block interleavers in the framework of BICM-OFDM and demonstrate its effectiveness over frequency-selective Rayleigh and Ricean fading channels.
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Keyword(in English) BICM-OFDM / convolutional code / interleaver optimization / frequency-selective block fading
Paper # IT2013-64,ISEC2013-93,WBS2013-53
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Committee ISEC
Conference Date 2014/3/3(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) An Optimization of Interleaver for Convolutionally Coded BICM-OFDM over Frequency-Selective Block Fading Channels
Sub Title (in English)
Keyword(1) BICM-OFDM
Keyword(2) convolutional code
Keyword(3) interleaver optimization
Keyword(4) frequency-selective block fading
1st Author's Name Yuta HORI
1st Author's Affiliation Department of Electrical and Computer Engineering, Yokohama National University()
2nd Author's Name Hideki OCHIAI
2nd Author's Affiliation Department of Electrical and Computer Engineering, Yokohama National University
Date 2014-03-10
Paper # IT2013-64,ISEC2013-93,WBS2013-53
Volume (vol) vol.113
Number (no) 484
Page pp.pp.-
#Pages 6
Date of Issue