An Energy Efficient MAC Protocol for QoS Provisioning in Cognitive Radio Ad Hoc Networks

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dc.contributor.authorKamruzzaman, S. M.
dc.contributor.authorHamid, Md. Abdul
dc.contributor.authorAbdullah-Al-Wadud, M.
dc.coverage.issue4cs
dc.coverage.volume19cs
dc.date.accessioned2016-03-11T09:20:18Z
dc.date.available2016-03-11T09:20:18Z
dc.date.issued2010-12cs
dc.description.abstractThe explosive growth in the use of real-time applications on mobile devices has resulted in new challenges to the design of medium access control (MAC) protocols for ad hoc networks. In this paper, we propose an energy efficient cognitive radio (CR) MAC protocol for QoS provisioning called ECRQ-MAC, which integrate the spectrum sensing at physical (PHY) layer and the channel-timeslots allocation at MAC layer. We consider the problem of providing QoS guarantee to CR users as well as to maintain the most efficient use of scarce bandwidth resources. The ECRQ-MAC protocol exploits the advantage of both multiple channels and TDMA, and achieves aggressive power savings by allowing CR users that are not involved in communication to go into sleep mode. The proposed ECRQ-MAC protocol allows CR users to identify and use the unused frequency spectrum of licensed band in a way that constrains the level of interference to the primary users (PUs). Our scheme improves network throughput significantly, especially when the network is highly congested. The simulation results show that our proposed protocol successfully exploits multiple channels and significantly improves network performance by using the licensed spectrum opportunistically and protects QoS provisioning over cognitive radio ad hoc networks.en
dc.formattextcs
dc.format.extent567-578cs
dc.format.mimetypeapplication/pdfen
dc.identifier.citationRadioengineering. 2010, vol. 19, č. 4, s. 567-578. ISSN 1210-2512cs
dc.identifier.issn1210-2512
dc.identifier.urihttp://hdl.handle.net/11012/57035
dc.language.isoencs
dc.publisherSpolečnost pro radioelektronické inženýrstvícs
dc.relation.ispartofRadioengineeringcs
dc.relation.urihttp://www.radioeng.cz/fulltexts/2010/10_04_567_578.pdfcs
dc.rightsCreative Commons Attribution 3.0 Unported Licenseen
dc.rights.accessopenAccessen
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/en
dc.subjectCognitive radioen
dc.subjectmultichannel MACen
dc.subjectenergy efficiencyen
dc.subjectQoSen
dc.subjectad hoc networksen
dc.subjectfrequency spectrumen
dc.subjectTDMAen
dc.subjectchannel sensingen
dc.titleAn Energy Efficient MAC Protocol for QoS Provisioning in Cognitive Radio Ad Hoc Networksen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
eprints.affiliatedInstitution.facultyFakulta eletrotechniky a komunikačních technologiícs
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