Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/6365
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dc.contributor.authorSahai, Achaleshwar-
dc.contributor.authorAggarwal, Vaneet-
dc.contributor.authorYüksel, Melda-
dc.contributor.authorSabharwal, Ashutosh-
dc.date.accessioned2021-09-11T15:36:03Z-
dc.date.available2021-09-11T15:36:03Z-
dc.date.issued2013en_US
dc.identifier.issn0018-9448-
dc.identifier.issn1557-9654-
dc.identifier.urihttps://doi.org/10.1109/TIT.2013.2278691-
dc.identifier.urihttps://hdl.handle.net/20.500.11851/6365-
dc.description.abstractIn this paper, we study the impact of different channel output feedback architectures on the capacity of the two-user interference channel. For a two-user interference channel, a feedback link can exist between receivers and transmitters in nine canonical architectures (see Fig. 3), ranging from only one feedback link to four feedback links. We derive the exact capacity region for the symmetric deterministic interference channel and the constant-gap capacity region for the symmetric Gaussian interference channel for all of the nine architectures. We show that for a linear deterministic symmetric interference channel, in the weak interference regime, all models of feedback, except the one, which has only one of the receivers feeding back to its own transmitter, have the identical capacity region. When only one of the receivers feeds back to its own transmitter, the capacity region is a strict subset of the capacity region of the rest of the feedback models in the weak interference regime. However, the sum-capacity of all feedback models is identical in the weak interference regime. Moreover, in the strong interference regime, all models of feedback with at least one of the receivers feeding back to its own transmitter have the identical sum-capacity. For the Gaussian interference channel, the results of the linear deterministic model follow, where capacity is replaced with approximate capacity.en_US
dc.description.sponsorshipNational Science FoundationNational Science Foundation (NSF) [CNS-1012921]; Texas Instruments; Direct For Computer & Info Scie & EnginrNational Science Foundation (NSF)NSF - Directorate for Computer & Information Science & Engineering (CISE) [1314822] Funding Source: National Science Foundation; Division Of Computer and Network SystemsNational Science Foundation (NSF)NSF - Directorate for Computer & Information Science & Engineering (CISE) [1012921, 1161596] Funding Source: National Science Foundationen_US
dc.description.sponsorshipManuscript received April 21, 2011; revised January 22, 2013; accepted July 31, 2013. Date of current version October 16, 2013. A. Sahai and A. Sabharwal were supported in part by the National Science Foundation under Grant CNS-1012921 and in part by a grant from Texas Instruments. This paper was presented in part at the 2009 IEEE Information Theory Workshop [28] and in part at the 2010 IEEE International Symposium on Information Theory [29].en_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/openAccessen_US
dc.subject[No Keywords]en_US
dc.titleCapacity of All Nine Models of Channel Output Feedback for the Two-User Interference Channelen_US
dc.typeArticleen_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.volume59en_US
dc.identifier.issue11en_US
dc.identifier.startpage6957en_US
dc.identifier.endpage6979en_US
dc.authorid0000-0002-8029-631X-
dc.authorid0000-0001-9131-4723-
dc.identifier.wosWOS:000325981100001en_US
dc.identifier.scopus2-s2.0-84886680569en_US
dc.institutionauthorYüksel, Melda-
dc.identifier.doi10.1109/TIT.2013.2278691-
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.identifier.scopusqualityQ1-
item.openairetypeArticle-
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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