Training Designs for Estimation of Spatially Correlated Fading Channels in MIMO Amplify-and-Forward Two-Way Multi-Relay Networks

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dc.contributor.authorKang, Jae-Moko
dc.contributor.authorKim, Hyung-Myungko
dc.date.accessioned2016-07-04T06:00:34Z-
dc.date.available2016-07-04T06:00:34Z-
dc.date.created2016-04-09-
dc.date.created2016-04-09-
dc.date.issued2016-04-
dc.identifier.citationIEEE COMMUNICATIONS LETTERS, v.20, no.4, pp.772 - 775-
dc.identifier.issn1089-7798-
dc.identifier.urihttp://hdl.handle.net/10203/209112-
dc.description.abstractIn this letter, we present training designs for estimation of spatially correlated multiple-input multiple-output amplify-and-forward two-way multi-relay channels. An optimal training structure is initially derived to minimize total mean-square-error of the channel estimation and, then, source training power and relay amplification parameters are optimized numerically. For the purpose of complexity reduction and implementation simplicity, an upper bound-based power allocation is also proposed in a closed form. Simulation results show that the proposed schemes considerably outperform the conventional schemes.-
dc.languageEnglish-
dc.publisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC-
dc.subjectSYSTEMS-
dc.titleTraining Designs for Estimation of Spatially Correlated Fading Channels in MIMO Amplify-and-Forward Two-Way Multi-Relay Networks-
dc.typeArticle-
dc.identifier.wosid000374156000037-
dc.identifier.scopusid2-s2.0-84963963855-
dc.type.rimsART-
dc.citation.volume20-
dc.citation.issue4-
dc.citation.beginningpage772-
dc.citation.endingpage775-
dc.citation.publicationnameIEEE COMMUNICATIONS LETTERS-
dc.identifier.doi10.1109/LCOMM.2015.2502946-
dc.contributor.localauthorKim, Hyung-Myung-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorChannel estimation-
dc.subject.keywordAuthorMIMO-
dc.subject.keywordAuthormultiple relays-
dc.subject.keywordAuthortraining design-
dc.subject.keywordAuthortwo-way relay-
dc.subject.keywordPlusRICIAN CHANNELS-
dc.subject.keywordPlusDIVERSITY-
dc.subject.keywordPlusSYSTEMS-
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