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Improvement of Underlay Cooperative Cognitive Networks Bandwidth Efficiency under Interference and Power Constraints

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dc.contributor.author Al-Mishmish, Hameed R. M.
dc.contributor.author Preveze, Barbaros
dc.contributor.author Alkhayyat, Ahmed
dc.date.accessioned 2021-06-11T10:35:32Z
dc.date.available 2021-06-11T10:35:32Z
dc.date.issued 2019-11-30
dc.identifier.citation Al-Mishmish, Hameed R. M.; Preveze, Barbaros; Alkhayyat, Ahmed (2019). "Improvement of Underlay Cooperative Cognitive Networks Bandwidth Efficiency under Interference and Power Constraints", KSII Transactions on Internet and Information Systems, Vol. 13, No. 11, pp. 5335-5353. tr_TR
dc.identifier.issn 1976-7277
dc.identifier.uri http://hdl.handle.net/20.500.12416/4778
dc.description.abstract The definition of the bandwidth efficiency (BE) of cognitive cooperative network (CCN) is the ratio between a number of the licensed slot(s) or sub-channel(s) used by the unlicensed users to transmit a single data packet from the unlicensed transmitter to unlicensed destination, and from unlicensed relay(s) to unlicensed destination. This paper analyzes and improves the BE in the underlay CCN with a new reactive relay selection under interference and power constraints. In other words, this paper studies how unlicensed cooperative users use the licensed network slot(s) or sub-channel(s) efficiently. To this end, a reactive relay selection method named as Relay Automatic Repeat Request (RARQ) is proposed and utilized with a CCN under interference and power constraints. It is shown that the BE of CCN is higher than that of cooperative transmission (CT) due to the interference and power constraint. Furthermore, the BE of CCN is affected by the distance of the interference links which are between the unlicensed transmitter to the licensed destination and unlicensed relay to the licensed destination. In addition, the BE for multiple relays selection over a CCN under interference and power constraints is also analyzed and studied, and it is shown that the BE of CCN decreases as the number of relays increases. tr_TR
dc.language.iso eng tr_TR
dc.relation.isversionof 10.3837/tiis.2019.11.004 tr_TR
dc.rights info:eu-repo/semantics/openAccess tr_TR
dc.subject Bandwidth Efficiency tr_TR
dc.subject Reactive Relay Selection tr_TR
dc.subject Cooperative Transmission tr_TR
dc.subject Cognitive Cooperative Network tr_TR
dc.title Improvement of Underlay Cooperative Cognitive Networks Bandwidth Efficiency under Interference and Power Constraints tr_TR
dc.type article tr_TR
dc.relation.journal KSII Transactions on Internet and Information Systems tr_TR
dc.contributor.authorID 17573 tr_TR
dc.identifier.volume 13 tr_TR
dc.identifier.issue 11 tr_TR
dc.identifier.startpage 5335 tr_TR
dc.identifier.endpage 5353 tr_TR
dc.contributor.department Çankaya Üniversitesi, Mühendislik Fakültesi, Elektrik-Elektronik Mühendisliği Bölümü tr_TR


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