Iterative Beamformer Design for Multi-Node MIMO Two-Way Relay Networks Using Duality

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dc.contributor.authorChoi, Won Chulko
dc.contributor.authorPark, Dong-Joko
dc.date.accessioned2016-10-07T09:31:38Z-
dc.date.available2016-10-07T09:31:38Z-
dc.date.created2015-11-20-
dc.date.created2015-11-20-
dc.date.issued2016-08-
dc.identifier.citationIEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, v.65, no.8, pp.6742 - 6747-
dc.identifier.issn0018-9545-
dc.identifier.urihttp://hdl.handle.net/10203/213261-
dc.description.abstractIn this paper, an iterative design method for beamformers is proposed for multiple-input multiple-output (MIMO) two-way relay networks with multiple pairs of source nodes. It is known that the joint beamformer design problem based on the minimum mean-square-error (MMSE) is known to be nonconvex, and it cannot be analytically solved. To manage this difficulty, a novel iterative algorithm is proposed, which uses duality relationships. First, the MSE duality for MIMO two-way relay networks with multiple pairs of nodes is presented. Moreover, the optimization problem is divided into three subproblems, which can be separately solved; then, the duality is applied to the proposed iterative algorithm, which provides closed-form solutions for all subproblems. The numerical results demonstrate that the proposed method improves network performance and can be applied to various communication systems that use the two-way relay network.-
dc.languageEnglish-
dc.publisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC-
dc.subjectJOINT OPTIMIZATION-
dc.subjectSYSTEMS-
dc.titleIterative Beamformer Design for Multi-Node MIMO Two-Way Relay Networks Using Duality-
dc.typeArticle-
dc.identifier.wosid000381446200070-
dc.identifier.scopusid2-s2.0-84982315615-
dc.type.rimsART-
dc.citation.volume65-
dc.citation.issue8-
dc.citation.beginningpage6742-
dc.citation.endingpage6747-
dc.citation.publicationnameIEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY-
dc.identifier.doi10.1109/TVT.2015.2478846-
dc.contributor.localauthorPark, Dong-Jo-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorAmplify-and-forward two-way relay network-
dc.subject.keywordAuthorbeamformer design-
dc.subject.keywordAuthormean-square-error (MSE) duality-
dc.subject.keywordAuthormultinode-
dc.subject.keywordAuthormultiple-input multiple-output (MIMO)-
dc.subject.keywordPlusJOINT OPTIMIZATION-
dc.subject.keywordPlusSYSTEMS-
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EE-Journal Papers(저널논문)
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