Spectrum Band Selection in Delay-QoS Constrained Cognitive Radio Networks

Handle URI:
http://hdl.handle.net/10754/566167
Title:
Spectrum Band Selection in Delay-QoS Constrained Cognitive Radio Networks
Authors:
Yang, Yuli; Aïssa, Sonia; Salama, Khaled N. ( 0000-0001-7742-1282 )
Abstract:
In this paper, a cognitive radio (CR) network with multiple spectrum bands available for secondary users (SUs) is considered. For the SU's active spectrum-band selection, two criteria are developed. One is to select the band with the highest secondary channel power gain, and the other is to select the band with the lowest interference channel power gain to primary users (PUs). With the quality-of-service (QoS) requirement concerning delay, the effective capacity (EC) behaviors over secondary links are investigated for both criteria under two spectrum-sharing constraints. To begin by presenting full benefits in these criteria, the constraint imposed on the secondary transmitter (ST) is the average interference limitation to PUs only. Furthermore, taking into account the ST's battery/energy budget, the ST is imposed by joint constraints on its average interference to PUs, as well as on its own average transmit power. For either constraint, we formulate the ST's optimal transmit power allocation to maximize the SU's EC with both band-selection criteria and, correspondingly, obtain the secondary's power allocation and maximum EC in closed forms. Numerical results demonstrated subsequently substantiate the validity of our derivations and provide a powerful tool for the spectrum-band selection in CR networks with multiple bands available. © 1967-2012 IEEE.
KAUST Department:
Electrical Engineering Program; Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division; Sensors Lab
Publisher:
Institute of Electrical and Electronics Engineers (IEEE)
Journal:
IEEE Transactions on Vehicular Technology
Issue Date:
2014
DOI:
10.1109/TVT.2014.2354076
Type:
Article
ISSN:
0018-9545; 1939-9359
Appears in Collections:
Articles; Electrical Engineering Program; Sensors Lab; Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division

Full metadata record

DC FieldValue Language
dc.contributor.authorYang, Yulien
dc.contributor.authorAïssa, Soniaen
dc.contributor.authorSalama, Khaled N.en
dc.date.accessioned2015-08-12T09:30:50Zen
dc.date.available2015-08-12T09:30:50Zen
dc.date.issued2014en
dc.identifier.issn0018-9545en
dc.identifier.issn1939-9359en
dc.identifier.doi10.1109/TVT.2014.2354076en
dc.identifier.urihttp://hdl.handle.net/10754/566167en
dc.description.abstractIn this paper, a cognitive radio (CR) network with multiple spectrum bands available for secondary users (SUs) is considered. For the SU's active spectrum-band selection, two criteria are developed. One is to select the band with the highest secondary channel power gain, and the other is to select the band with the lowest interference channel power gain to primary users (PUs). With the quality-of-service (QoS) requirement concerning delay, the effective capacity (EC) behaviors over secondary links are investigated for both criteria under two spectrum-sharing constraints. To begin by presenting full benefits in these criteria, the constraint imposed on the secondary transmitter (ST) is the average interference limitation to PUs only. Furthermore, taking into account the ST's battery/energy budget, the ST is imposed by joint constraints on its average interference to PUs, as well as on its own average transmit power. For either constraint, we formulate the ST's optimal transmit power allocation to maximize the SU's EC with both band-selection criteria and, correspondingly, obtain the secondary's power allocation and maximum EC in closed forms. Numerical results demonstrated subsequently substantiate the validity of our derivations and provide a powerful tool for the spectrum-band selection in CR networks with multiple bands available. © 1967-2012 IEEE.en
dc.publisherInstitute of Electrical and Electronics Engineers (IEEE)en
dc.subjectBand selectionen
dc.subjectcognitive radio (CR)en
dc.subjectdelay quality-of-service (QoS) constrainten
dc.subjecteffective capacity (EC)en
dc.subjectmultiband communicationsen
dc.subjectpower allocationen
dc.subjectspectrum sharingen
dc.titleSpectrum Band Selection in Delay-QoS Constrained Cognitive Radio Networksen
dc.typeArticleen
dc.contributor.departmentElectrical Engineering Programen
dc.contributor.departmentComputer, Electrical and Mathematical Sciences and Engineering (CEMSE) Divisionen
dc.contributor.departmentSensors Laben
dc.identifier.journalIEEE Transactions on Vehicular Technologyen
kaust.authorSalama, Khaled N.en
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