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Article: An analytical comparison of partial power-feedback designs for MIMO block fading channels

TitleAn analytical comparison of partial power-feedback designs for MIMO block fading channels
Authors
KeywordsMultiple input - multiple output (MIMO) capacity with partial feedback
multiple input/multiple output (MIMO)
feedback
Issue Date2004
PublisherIEEE.
Citation
IEEE Transactions on Communications, 2004, v. 52 n. 5, p. 691-693 How to Cite?
AbstractIt has been shown that with perfect feedback (CSIT), the optimal multiple input/multiple output (MIMO) transmission strategy is a cascade of channel encoder banks, power control matrix, and eigen-beamforming matrix. However, the feedback capacity requirement for perfect CSIT is 2n/sub T//spl times/n/sub R/, which is not scalable with respect to n/sub T/ or n/sub R/. In this letter, we shall compare the performance of two levels of partial power-feedback strategies, namely, the scalar symmetric feedback and the vector feedback, for MIMO block fading channels. Unlike quasi-static fading, variable rate encoding is not needed for block fading channels to achieve the optimal channel capacity.
Persistent Identifierhttp://hdl.handle.net/10722/44767
ISSN
2015 Impact Factor: 2.298
2015 SCImago Journal Rankings: 1.659
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorLau, VKNen_HK
dc.date.accessioned2007-10-30T06:09:47Z-
dc.date.available2007-10-30T06:09:47Z-
dc.date.issued2004en_HK
dc.identifier.citationIEEE Transactions on Communications, 2004, v. 52 n. 5, p. 691-693en_HK
dc.identifier.issn0090-6778en_HK
dc.identifier.urihttp://hdl.handle.net/10722/44767-
dc.description.abstractIt has been shown that with perfect feedback (CSIT), the optimal multiple input/multiple output (MIMO) transmission strategy is a cascade of channel encoder banks, power control matrix, and eigen-beamforming matrix. However, the feedback capacity requirement for perfect CSIT is 2n/sub T//spl times/n/sub R/, which is not scalable with respect to n/sub T/ or n/sub R/. In this letter, we shall compare the performance of two levels of partial power-feedback strategies, namely, the scalar symmetric feedback and the vector feedback, for MIMO block fading channels. Unlike quasi-static fading, variable rate encoding is not needed for block fading channels to achieve the optimal channel capacity.en_HK
dc.format.extent175598 bytes-
dc.format.extent2706 bytes-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypetext/plain-
dc.languageengen_HK
dc.publisherIEEE.en_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.rights©2004 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.en_HK
dc.subjectMultiple input - multiple output (MIMO) capacity with partial feedbacken_HK
dc.subjectmultiple input/multiple output (MIMO)en_HK
dc.subjectfeedbacken_HK
dc.titleAn analytical comparison of partial power-feedback designs for MIMO block fading channelsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0090-6778&volume=52&issue=5&spage=691&epage=693&date=2004&atitle=An+analytical+comparison+of+partial+power-feedback+designs+for+MIMO+block+fading+channelsen_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1109/TCOMM.2004.826253en_HK
dc.identifier.scopuseid_2-s2.0-2942545913-
dc.identifier.isiWOS:000221576200003-

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