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Conference Paper: Low complexity near-maximum likelihood decoding for MIMO systems

TitleLow complexity near-maximum likelihood decoding for MIMO systems
Authors
Liang, YMa, SNg, TS
KeywordsComplexity
MIMO
Radii
Sphere decoder
Issue Date2009
PublisherIEEE.
Citation
The IEEE 20th International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), Tokyo, Japan, 13-16 September 2009. In Proceedings of 20th PIMRC, 2009, p. 2429-2433 How to Cite?
DOI: http://dx.doi.org/10.1109/PIMRC.2009.5450330
AbstractIn recent literature, an increasing radii algorithm (IRA) is introduced to decode the signals in multiple-input multiple-output (MIMO) systems. It is developed from the idea of sphere decoder (SD) and can achieve near-maximum likelihood (ML) decoding performance with relatively lower complexity than the SD by taking the noise statistics into consideration. In this paper, an improved IRA (IIRA) is proposed to further reduce the complexity. Apart from the noise statistics, channel information is taken into consideration as well. Additionally, a radii update scheme is introduced which enables the search space of the proposed algorithm to be further pruned. As a result, the proposed algorithm achieves a performance close to that of the IRA but with substantial computational savings. The effectiveness of the proposed decoder is verified by simulations. ©2009 IEEE.
Persistent Identifierhttp://hdl.handle.net/10722/126083
ISBN
978-1-4244-5213-4
ISI Accession Number ID
WOS:000305824602089
References
References in Scopus

 

DC FieldValueLanguage
dc.contributor.authorLiang, Yen_HK
dc.contributor.authorMa, Sen_HK
dc.contributor.authorNg, TSen_HK
dc.date.accessioned2010-10-31T12:08:52Z-
dc.date.available2010-10-31T12:08:52Z-
dc.date.issued2009en_HK
dc.identifier.citationThe IEEE 20th International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), Tokyo, Japan, 13-16 September 2009. In Proceedings of 20th PIMRC, 2009, p. 2429-2433en_HK
dc.identifier.isbn978-1-4244-5213-4-
dc.identifier.urihttp://hdl.handle.net/10722/126083-
dc.description.abstractIn recent literature, an increasing radii algorithm (IRA) is introduced to decode the signals in multiple-input multiple-output (MIMO) systems. It is developed from the idea of sphere decoder (SD) and can achieve near-maximum likelihood (ML) decoding performance with relatively lower complexity than the SD by taking the noise statistics into consideration. In this paper, an improved IRA (IIRA) is proposed to further reduce the complexity. Apart from the noise statistics, channel information is taken into consideration as well. Additionally, a radii update scheme is introduced which enables the search space of the proposed algorithm to be further pruned. As a result, the proposed algorithm achieves a performance close to that of the IRA but with substantial computational savings. The effectiveness of the proposed decoder is verified by simulations. ©2009 IEEE.en_HK
dc.languageengen_HK
dc.publisherIEEE.-
dc.relation.ispartofIEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRCen_HK
dc.rights©2009 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.-
dc.subjectComplexityen_HK
dc.subjectMIMOen_HK
dc.subjectRadiien_HK
dc.subjectSphere decoderen_HK
dc.titleLow complexity near-maximum likelihood decoding for MIMO systemsen_HK
dc.typeConference_Paperen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=978-1-4244-5122-7 &volume=&spage=2429&epage=2433 &date=2009&atitle=Low+complexity+near-maximum+likelihood+decoding+for+MIMO+systems-
dc.identifier.emailMa, S: sdma@eee.hku.hken_HK
dc.identifier.emailNg, TS: tsng@eee.hku.hken_HK
dc.identifier.authorityMa, S=rp00153en_HK
dc.identifier.authorityNg, TS=rp00159en_HK
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1109/PIMRC.2009.5450330en_HK
dc.identifier.scopuseid_2-s2.0-77952872276en_HK
dc.identifier.hkuros173952en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-77952872276&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.spage2429-
dc.identifier.epage2433-
dc.identifier.isiWOS:000305824602089-
dc.description.otherThe IEEE 20th International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), Tokyo, Japan, 13-16 September 2009. In Proceedings of 20th PIMRC, 2009, p. 2429-2433-
dc.identifier.scopusauthoridLiang, Y=55479473900en_HK
dc.identifier.scopusauthoridMa, S=8553949000en_HK
dc.identifier.scopusauthoridNg, TS=7402229975en_HK

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