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Conference Paper: Combined Semi-definite Relaxation and Sphere Decoding Method for Multiple Antennas Systems

TitleCombined Semi-definite Relaxation and Sphere Decoding Method for Multiple Antennas Systems
Authors
Issue Date2011
PublisherI E E E.
Citation
International ITG Workshop on Smart Antennas (WSA 2011), Aachen, Germany, 24-25 February 2011. In the Proceedings of the International ITG Workshop on Smart Antenna, 2011, p. article no. 5741919 How to Cite?
AbstractIn this paper, a new detection method which combines the semi-definite programming relaxation (SDR) with the sphere decoding (SD) is proposed for 256-QAM multiple-input multiple-output (MIMO) system. In this method, the SDR algorithms are engaged to obtain a primary result. Then, a hyper-sphere is constructed which is centered at the received signal and has its radius equals to the Euclidean distance between the primary result and the received signal. Finally, the SD searching strategy is employed to determine the final result which satisfies the principle of maximum likelihood. Simulation results show that the proposed method can offer optimum BLER performance as well as lower computational complexity than the conventional SD detectors. © 2011 IEEE.
Persistent Identifierhttp://hdl.handle.net/10722/140290
ISBN

 

DC FieldValueLanguage
dc.contributor.authorShao, Zen_HK
dc.contributor.authorCheung, SWen_HK
dc.contributor.authorYuk, TTIen_HK
dc.date.accessioned2011-09-23T06:09:37Z-
dc.date.available2011-09-23T06:09:37Z-
dc.date.issued2011en_HK
dc.identifier.citationInternational ITG Workshop on Smart Antennas (WSA 2011), Aachen, Germany, 24-25 February 2011. In the Proceedings of the International ITG Workshop on Smart Antenna, 2011, p. article no. 5741919en_HK
dc.identifier.isbn9781612840741-
dc.identifier.urihttp://hdl.handle.net/10722/140290-
dc.description.abstractIn this paper, a new detection method which combines the semi-definite programming relaxation (SDR) with the sphere decoding (SD) is proposed for 256-QAM multiple-input multiple-output (MIMO) system. In this method, the SDR algorithms are engaged to obtain a primary result. Then, a hyper-sphere is constructed which is centered at the received signal and has its radius equals to the Euclidean distance between the primary result and the received signal. Finally, the SD searching strategy is employed to determine the final result which satisfies the principle of maximum likelihood. Simulation results show that the proposed method can offer optimum BLER performance as well as lower computational complexity than the conventional SD detectors. © 2011 IEEE.-
dc.languageengen_US
dc.publisherI E E E.-
dc.relation.ispartofI T G Workshop on Smart Antennasen_HK
dc.rightsI T G Workshop on Smart Antennas. Copyright © I E E E.-
dc.rights©2011 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.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.titleCombined Semi-definite Relaxation and Sphere Decoding Method for Multiple Antennas Systemsen_HK
dc.typeConference_Paperen_HK
dc.identifier.emailCheung, SW: swcheung@eee.hku.hken_HK
dc.identifier.emailYuk, TTI: tiyuk@eee.hku.hken_HK
dc.identifier.authorityCheung, SW=rp00102en_HK
dc.identifier.authorityYuk, TTI=rp00210en_HK
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1109/WSA.2011.5741919en_HK
dc.identifier.scopuseid_2-s2.0-79955947716-
dc.identifier.hkuros195907en_US

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