Low complexity iterative decoding for bit-interleaved coded modulation

Tao Li, Wai Ho Mow, Khaled Letaief

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Bit-interleaved coded modulation with iterative decoding (ID) is an effective scheme for both AWGN and fading channels because it simultaneously realizes large Euclidean distance and high diversity. In the literature, ID schemes with hard-decision feedback (HDF), as well as soft-decision feedback (SDF), have been investigated. While HDF/ID exhibits a performance inferior to SDF/ID, it is much simpler to implement. To enhance the performance of HDF/ID with moderate additional complexity, we propose a uniform soft-decision feedback ID (USF/ID) scheme. The proposed scheme is applicable in both single antenna and multiple antenna communication systems. The simulation results verify that it achieves impressive performance gain over HDF/ID and has a practically more attractive implementation than SDF/ID, especially for complexity-constrained wireless applications.

Original languageEnglish
Article number1687705
Pages (from-to)1966-1970
Number of pages5
JournalIEEE Transactions on Wireless Communications
Volume5
Issue number8
DOIs
Publication statusPublished - Aug 2006
Externally publishedYes

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Keywords

  • Bit-interleaved coded modulation
  • Decision feedback
  • Iterative decoding

ASJC Scopus subject areas

  • Engineering(all)
  • Computer Networks and Communications

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