Power control in the cognitive cooperative multiple access channel

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dc.authorid0000-0003-2592-3701
dc.contributor.authorKaya, Onuren_US
dc.contributor.authorİşleyen, Muraten_US
dc.date.accessioned2021-06-18T12:36:22Z
dc.date.available2021-06-18T12:36:22Z
dc.date.issued2012
dc.departmentIşık Üniversitesi, Mühendislik Fakültesi, Elektrik-Elektronik Mühendisliği Bölümüen_US
dc.departmentIşık University, Faculty of Engineering, Department of Electrical-Electronics Engineeringen_US
dc.description.abstractWe extend several encoding and decoding techniques from cooperative communications framework, to a cognitive radio system consisting of a primary user (PU) and a secondary user (SU), sending their messages to a common receiver. Assuming that the transmitters and the receiver have full channel state information (CSI) collected and distributed by the common receiver, and that the SU knows the PU's codebook, the cooperation is obtained by block Markov superposition coding, and backwards decoding, which yield a causal overlay scenario. We formulate two rate optimization problems with the aim of, (i) maximizing the sum rate of the system, and (ii) maximizing the rate of the secondary user. We obtain the optimal power allocations for both cases, and the resulting rate regions. The power controlled cooperation turns out to be especially useful when maximizing the sum rate of the system, as it gives the PU significant rate rewards for allowing the cognitive transmitter to access its resources.en_US
dc.description.versionPublisher's Versionen_US
dc.identifier.citationKaya, O. & İşleyen, M. (2012). Power control in the cognitive cooperative multiple access channel. Paper presented at the 46th Annual Conference on Information Sciences and Systems, 1-5. doi:10.1109/CISS.2012.6310802en_US
dc.identifier.doi10.1109/CISS.2012.6310802
dc.identifier.endpage5
dc.identifier.isbn9781467331401
dc.identifier.isbn9781467331395
dc.identifier.isbn9781467331388
dc.identifier.scopus2-s2.0-84868590509
dc.identifier.scopusqualityN/A
dc.identifier.startpage1
dc.identifier.urihttps://hdl.handle.net/11729/3158
dc.identifier.urihttp://dx.doi.org/10.1109/CISS.2012.6310802
dc.indekslendigikaynakScopusen_US
dc.institutionauthorKaya, Onuren_US
dc.institutionauthorİşleyen, Muraten_US
dc.institutionauthorid0000-0003-2592-3701
dc.language.isoenen_US
dc.peerreviewedYesen_US
dc.publicationstatusPublisheden_US
dc.publisherIEEEen_US
dc.relation.ispartof46th Annual Conference on Information Sciences and Systemsen_US
dc.relation.publicationcategoryKonferans Öğesi - Uluslararası - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.rightsAttribution-NonCommercial-NoDerivs 3.0 United States*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/us/*
dc.subjectBackwards decodingen_US
dc.subjectBlock codesen_US
dc.subjectBlock Markov superposition codingen_US
dc.subjectChannel codingen_US
dc.subjectChannel state informationen_US
dc.subjectCodebooksen_US
dc.subjectCognitive cooperative multiple access channelen_US
dc.subjectCognitive radioen_US
dc.subjectCognitive radio systemen_US
dc.subjectCognitive transmitteren_US
dc.subjectCommunication channels (information theory)en_US
dc.subjectCooperative communicationen_US
dc.subjectCooperative communicationsen_US
dc.subjectCooperative multiple accessen_US
dc.subjectDecodingen_US
dc.subjectDecoding techniquesen_US
dc.subjectEncodingen_US
dc.subjectEncoding and decodingen_US
dc.subjectEncoding techniquesen_US
dc.subjectFadingen_US
dc.subjectInformation scienceen_US
dc.subjectInterferenceen_US
dc.subjectMarkov processesen_US
dc.subjectMulti-access systemsen_US
dc.subjectNoiseen_US
dc.subjectOptimal power allocationen_US
dc.subjectOptimizationen_US
dc.subjectOptimization problemsen_US
dc.subjectPower controlen_US
dc.subjectPower controlleden_US
dc.subjectPower controlled cooperationen_US
dc.subjectPrimary useren_US
dc.subjectRadio receiversen_US
dc.subjectRadio transmittersen_US
dc.subjectReceiveren_US
dc.subjectRelaysen_US
dc.subjectSecondary useren_US
dc.subjectSum-rateen_US
dc.subjectSuper-position codingen_US
dc.subjectTelecommunication controlen_US
dc.subjectTransmittersen_US
dc.titlePower control in the cognitive cooperative multiple access channelen_US
dc.typeConference Objecten_US

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