Low complexity receiver design for MIMO bit-interleaved coded modulation

Iain B. Collings*, Michael R G Butler, Matthew R. McKay

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contributionpeer-review

49 Citations (Scopus)

Abstract

This paper considers Multiple-Input Multiple-Output (MIMO) systems with bit-interleaved coded modulation (BICM). Two receiver structures are considered, one based on zero-forcing, the other on minimum mean square error (MMSE). An approximate log-likelihood (ALL) decoding approach is examined in each case, for PSK and QAM. The resulting receivers are significantly lower complexity compared to the maximum likelihood (ML) receiver. We expand on previous results which showed that for the ZF-ALL receiver the performance gap, compared to ML, reduces when either the number of receive antennas or the modulation order is increased. We demonstrate that the ALL metric with BICM counteracts any noise enhancement from the linear receivers. We also show that the linear BICM schemes outperform the corresponding BLAST approaches.

Original languageEnglish
Title of host publicationProceedings of the 2004 IEEE International Symposium on Spread Spectrum Techniques and Applications, ISSSTA 2004
Place of PublicationNew York
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages12-16
Number of pages5
ISBN (Print)0780384083, 9780780384088
Publication statusPublished - 2004
Externally publishedYes
Event2004 IEEE International Symposium on Spread Spectrum Techniques and Applications, ISSSTA 2004 - Sydney, Australia
Duration: 30 Aug 20042 Sep 2004

Other

Other2004 IEEE International Symposium on Spread Spectrum Techniques and Applications, ISSSTA 2004
CountryAustralia
CitySydney
Period30/08/042/09/04

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