An iterative interference cancellation scheme for STBC multirate multiuser systems

TH Pham*, A Nallanathan, B Kannan

*Corresponding author for this work

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

1 Citation (Scopus)

Abstract

In this paper, an iterative interference cancellation (IIC) scheme is proposed for space-time block coded (STBC) multirate multiuser systems. The proposed IIC scheme is based on minimum mean square estimation (MMSE) interference cancellation and maximum likelihood detection. In the proposed scheme, the high rate user data is decoded first and the decoded high rate user data is used to decode the low rate user data. Subsequently, low rate user data is used to re-decode the high rate user data. The bit error rate performance of the proposed IIC is better than the conventional non-iterative MMSE scheme. In addition, the proposed scheme performs well not only in multirate multiuser systems but also in equal rate multiuser systems. As expected, the performance margin diminishes with number of iterations.

Original languageEnglish
Title of host publication2005 IEEE Wireless Communications and Networking Conference, Vols 1-4
Place of PublicationNEW YORK
PublisherIEEE
Pages521-526
Number of pages6
ISBN (Print)0-7803-8966-2
Publication statusPublished - 2005
EventIEEE Wireless Communications and Networking Conference - New Orleans, Lao People's Democratic Republic
Duration: 13 Mar 200517 Mar 2005

Publication series

NameIEEE Wireless Communications and Networking Conference
PublisherIEEE
ISSN (Print)1525-3511

Conference

ConferenceIEEE Wireless Communications and Networking Conference
Country/TerritoryLao People's Democratic Republic
Period13/03/200517/03/2005

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