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dc.contributor.authorTang, Ti-Wenen_US
dc.contributor.authorChen, Min-Kunen_US
dc.contributor.authorLu, Hsiao-Fengen_US
dc.date.accessioned2014-12-08T15:29:49Z-
dc.date.available2014-12-08T15:29:49Z-
dc.date.issued2013-03-01en_US
dc.identifier.issn0018-9545en_US
dc.identifier.urihttp://dx.doi.org/10.1109/TVT.2012.2230348en_US
dc.identifier.urihttp://hdl.handle.net/11536/21396-
dc.description.abstractMultiple-input-multiple-output (MIMO) linear receivers are often of more practical interest than maximum-likelihood (ML) receivers due to their low decoding complexity but at the cost of worse diversity gain performance. Such a statement on performance loss is due to the assumption of using an independent identically distributed complex Gaussian vector as channel input. By removing this assumption, we find that the diversity performance of MIMO linear receivers can be significantly improved. In an extreme case, it can be the same as that of ML receivers. Specifically, in this paper, we investigate the diversity-multiplexing tradeoff (DMT) performance of MIMO linear receivers with colored and possibly degenerate Gaussian channel inputs. By varying the rank of the covariance matrix of the channel input vector and by allowing temporal coding across multiple channel uses, we show that the MIMO linear receiver can achieve a much better DMT performance than the currently known one. Explicit optimal code constructions are provided, along with simulation results, to justify the above findings. For the case of (2 x 2) and (3 x 3) MIMO linear receivers, simulation results show that the newly proposed codes provide significant gains of 10 and 12.08 dB in E-b/N-0 at bit error rate 10(-4) compared to the conventional schemes, respectively.en_US
dc.language.isoen_USen_US
dc.subjectDiversity-multiplexing tradeoff (DMT)en_US
dc.subjectexplicit optimal code constructionsen_US
dc.subjectlinear receiversen_US
dc.subjectprecoding matrixen_US
dc.subjectquasi-static multiple-input-multiple-output (MIMO) channelen_US
dc.titleImproving the DMT Performance for MIMO Communication With Linear Receiversen_US
dc.typeArticleen_US
dc.identifier.doi10.1109/TVT.2012.2230348en_US
dc.identifier.journalIEEE TRANSACTIONS ON VEHICULAR TECHNOLOGYen_US
dc.citation.volume62en_US
dc.citation.issue3en_US
dc.citation.spage1189en_US
dc.citation.epage1200en_US
dc.contributor.department電子工程學系及電子研究所zh_TW
dc.contributor.departmentDepartment of Electronics Engineering and Institute of Electronicsen_US
dc.identifier.wosnumberWOS:000316469500021-
dc.citation.woscount1-
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