Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/7107
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dc.contributor.authorYüksel, Melda-
dc.contributor.authorErkip, Elza-
dc.date.accessioned2021-09-11T15:55:43Z-
dc.date.available2021-09-11T15:55:43Z-
dc.date.issued2007en_US
dc.identifier.citationIEEE International Conference on Communications (ICC 2007) -- JUN 24-28, 2007 -- Glasgow, SCOTLANDen_US
dc.identifier.issn0018-9448-
dc.identifier.issn1557-9654-
dc.identifier.urihttps://doi.org/10.1109/TIT.2007.904972-
dc.identifier.urihttps://hdl.handle.net/20.500.11851/7107-
dc.description.abstractWe consider a general multiple-antenna network with multiple sources, multiple destinations, and multiple relays in terms of the diversity-multiplexing tradeoff (DMT). We examine several subcases of this most general problem taking into account the processing capability of the relays (half-duplex or full-duplex), and the network geometry (clustered or nonclustered). We first study the multiple-antenna relay channel with a full-duplex relay to understand the effect of increased degrees of freedom in the direct link. We find DMT upper bounds and investigate the achievable performance of decode-and-forward (DF), and compress.;and-forward (CF) protocols. Our results suggest ' that while DF is DMT optimal when all terminals have one antenna each, it may not maintain its good performance when the degrees of freedom in the direct link are increased, whereas CF continues to perform optimally. We also study the multiple-antenna relay channel with a half-duplex relay. We show that the half-duplex DMT behavior can significantly be different from the full-duplex case. We find that CF is DMT optimal for half-duplex relaying as well, and is the first protocol known to achieve the half-duplex relay DMT. We next study the multiple-access relay channel (MARC) DMT. Finally, we investigate a system with a single source-destination pair and multiple relays, each node with a single antenna, and show that even under the ideal assumption of full-duplex relays and a clustered network, this virtual multiple-input multiple-output (MIMO) system can never fully mimic a real MIMO DMT. For cooperative systems with multiple sources and multiple destinations the same limitation remains in effect.en_US
dc.description.sponsorshipIEEEen_US
dc.language.isoenen_US
dc.publisherIEEE-Inst Electrical Electronics Engineers Incen_US
dc.relation.ispartofIEEE Transactions On Information Theoryen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectcooperationen_US
dc.subjectdiversity-multiplexing tradeoff (DMT)en_US
dc.subjectfading channelsen_US
dc.subjectmultiple-input multiple-output (MIMO)en_US
dc.subjectrelay channelen_US
dc.subjectwireless networksen_US
dc.titleMultiple-Antenna Cooperative Wireless Systems: a Diversity-Multiplexin Tradeoff Perspectiveen_US
dc.typeConference Objecten_US
dc.departmentFaculties, Faculty of Engineering, Department of Electrical and Electronics Engineeringen_US
dc.departmentFakülteler, Mühendislik Fakültesi, Elektrik ve Elektronik Mühendisliği Bölümütr_TR
dc.identifier.volume53en_US
dc.identifier.issue10en_US
dc.identifier.startpage3371en_US
dc.identifier.endpage3393en_US
dc.authorid0000-0002-8029-631X-
dc.authorid0000-0001-8718-8648-
dc.identifier.wosWOS:000249774000005en_US
dc.identifier.scopus2-s2.0-35148868567en_US
dc.institutionauthorYüksel, Melda-
dc.identifier.doi10.1109/TIT.2007.904972-
dc.relation.publicationcategoryKonferans Öğesi - Uluslararası - Kurum Öğretim Elemanıen_US
dc.relation.conferenceIEEE International Conference on Communications (ICC 2007)en_US
dc.identifier.scopusqualityQ1-
item.openairetypeConference Object-
item.languageiso639-1en-
item.grantfulltextnone-
item.fulltextNo Fulltext-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.cerifentitytypePublications-
Appears in Collections:Elektrik ve Elektronik Mühendisliği Bölümü / Department of Electrical & Electronics Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection
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