DC Field | Value | Language |
---|---|---|
dc.contributor.author | Kim, EY | ko |
dc.contributor.author | Chun, Joohwan | ko |
dc.date.accessioned | 2013-03-06T20:19:31Z | - |
dc.date.available | 2013-03-06T20:19:31Z | - |
dc.date.created | 2012-02-06 | - |
dc.date.created | 2012-02-06 | - |
dc.date.issued | 2008-11 | - |
dc.identifier.citation | IEEE COMMUNICATIONS LETTERS, v.12, pp.810 - 812 | - |
dc.identifier.issn | 1089-7798 | - |
dc.identifier.uri | http://hdl.handle.net/10203/88330 | - |
dc.description.abstract | We consider the coordinated beamforming for the downlink of multiuser multiple-input multiple-output (MIMO) systems. Since each mobile needs to obtain effective channel parameters by using dedicated pilots each beamformed by a user-specific transmit beamformer, the pilot overhead increases linearly with the number of users. In this paper, we propose a novel technique that reduces the pilot overhead using the orthogonal property of effective channels. Simulation results show that the proposed approach achieves higher sum-rate because unused pilot tones can be utilized to transmit additional data instead. | - |
dc.language | English | - |
dc.publisher | IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC | - |
dc.title | Coordinated Beamforming with Reduced Overhead for the Downlink of Multiuser MIMO Systems | - |
dc.type | Article | - |
dc.identifier.wosid | 000260956700004 | - |
dc.identifier.scopusid | 2-s2.0-57149143585 | - |
dc.type.rims | ART | - |
dc.citation.volume | 12 | - |
dc.citation.beginningpage | 810 | - |
dc.citation.endingpage | 812 | - |
dc.citation.publicationname | IEEE COMMUNICATIONS LETTERS | - |
dc.identifier.doi | 10.1109/LCOMM.2008.081126 | - |
dc.contributor.localauthor | Chun, Joohwan | - |
dc.type.journalArticle | Article | - |
dc.subject.keywordAuthor | Multiple-input multiple-output (MIMO) | - |
dc.subject.keywordAuthor | multiuser communication | - |
dc.subject.keywordAuthor | coordinated beamforming | - |
dc.subject.keywordAuthor | space division multiplexing | - |
dc.subject.keywordAuthor | broadcast channel | - |
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