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Conference Paper: Orthogonal structured linear dispersion code for fast sphere decoding

TitleOrthogonal structured linear dispersion code for fast sphere decoding
Authors
Dai, XGCheung, SWYuk, TI
KeywordsComplexity
MIMO
Orthogonal
Sphere decoding
Issue Date2009
Citation
The 5th International Conference on Wireless Communications and Mobile Computing (IWCMC 2009), Leipzig, Germany, 21-24 June 2009. In Proceedings of the 5th International Conference on Wireless Communications and Mobile Computing, 2009, p. 237-241 How to Cite?
DOI: http://dx.doi.org/10.1145/1582379.1582432
AbstractIn this paper, an orthogonal structure of Linear Dispersion Codes (LDCs) is proposed for fast Sphere Decoding (SD) in MIMO systems transmitting high level modulation. Monte Carlo simulation results show that the optimum LDCs with this orthogonal structure have nearly identical bit-error-rate (BER) performances to those of other optimal LDCs. A simplified Sphere Decoding (SD) algorithm for LDCs with the new orthogonal structure is developed to significantly reduce the decoding complexity. Computer simulation is used to study the complexity reduction of the proposed SD algorithm in a 2×4 MIMO system transmitting different numbers of QPSK, 16QAM and 64QAM symbols. Results show that the complexity reduction is more significant for the MIMO system transmitting higher level modulation. Copyright 2009 ACM.
DescriptionSession Title: Communications I (Communication and Information Theory Symp.) No. 1569177067
Persistent Identifierhttp://hdl.handle.net/10722/126141
ISBN
9781605585697
References
References in Scopus

 

DC FieldValueLanguage
dc.contributor.authorDai, XGen_HK
dc.contributor.authorCheung, SWen_HK
dc.contributor.authorYuk, TIen_HK
dc.date.accessioned2010-10-31T12:12:00Z-
dc.date.available2010-10-31T12:12:00Z-
dc.date.issued2009en_HK
dc.identifier.citationThe 5th International Conference on Wireless Communications and Mobile Computing (IWCMC 2009), Leipzig, Germany, 21-24 June 2009. In Proceedings of the 5th International Conference on Wireless Communications and Mobile Computing, 2009, p. 237-241en_HK
dc.identifier.isbn9781605585697-
dc.identifier.urihttp://hdl.handle.net/10722/126141-
dc.descriptionSession Title: Communications I (Communication and Information Theory Symp.) No. 1569177067-
dc.description.abstractIn this paper, an orthogonal structure of Linear Dispersion Codes (LDCs) is proposed for fast Sphere Decoding (SD) in MIMO systems transmitting high level modulation. Monte Carlo simulation results show that the optimum LDCs with this orthogonal structure have nearly identical bit-error-rate (BER) performances to those of other optimal LDCs. A simplified Sphere Decoding (SD) algorithm for LDCs with the new orthogonal structure is developed to significantly reduce the decoding complexity. Computer simulation is used to study the complexity reduction of the proposed SD algorithm in a 2×4 MIMO system transmitting different numbers of QPSK, 16QAM and 64QAM symbols. Results show that the complexity reduction is more significant for the MIMO system transmitting higher level modulation. Copyright 2009 ACM.-
dc.languageengen_HK
dc.relation.ispartofProceedings of the 5th International Conference on Wireless Communications and Mobile Computingen_HK
dc.subjectComplexityen_HK
dc.subjectMIMOen_HK
dc.subjectOrthogonalen_HK
dc.subjectSphere decodingen_HK
dc.titleOrthogonal structured linear dispersion code for fast sphere decodingen_HK
dc.typeConference_Paperen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=9781605585697&volume=&spage=237&epage=241&date=2009&atitle=Orthogonal+structured+linear+dispersion+code+for+fast+sphere+decoding-
dc.identifier.emailCheung, SW:swcheung@eee.hku.hken_HK
dc.identifier.emailYuk, TI:tiyuk@eee.hku.hken_HK
dc.identifier.authorityCheung, SW=rp00102en_HK
dc.identifier.authorityYuk, TI=rp00210en_HK
dc.description.naturelink_to_OA_fulltext-
dc.identifier.doi10.1145/1582379.1582432en_HK
dc.identifier.scopuseid_2-s2.0-70450233623en_HK
dc.identifier.hkuros180702en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-70450233623&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.spage237en_HK
dc.identifier.epage241en_HK
dc.description.otherThe 5th International Conference on Wireless Communications and Mobile Computing (IWCMC 2009), Leipzig, Germany, 21-24 June 2009. In Proceedings of the 5th International Conference on Wireless Communications and Mobile Computing, 2009, p. 237-241-
dc.identifier.scopusauthoridDai, XG=23481122600en_HK
dc.identifier.scopusauthoridCheung, SW=7202472784en_HK
dc.identifier.scopusauthoridYuk, TI=6603685705en_HK

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