Optimal channel switching in multiuser systems under average capacity constraints

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buir.contributor.authorGezici, Sinan
dc.citation.epage154en_US
dc.citation.spage145en_US
dc.citation.volumeNumber63en_US
dc.contributor.authorSezer, A. D.en_US
dc.contributor.authorGezici, Sinanen_US
dc.date.accessioned2018-04-12T11:12:35Z
dc.date.available2018-04-12T11:12:35Z
dc.date.issued2017en_US
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.description.abstractIn this paper, the optimal channel switching problem is studied for average capacity maximization in the presence of multiple receivers in the communication system. First, the optimal channel switching problem is proposed for average capacity maximization of the communication between the transmitter and the secondary receiver while fulfilling the minimum average capacity requirement of the primary receiver and considering the average and peak power constraints. Then, an alternative equivalent optimization problem is provided and it is shown that the solution of this optimization problem satisfies the constraints with equality. Based on the alternative optimization problem, it is obtained that the optimal channel switching strategy employs at most three communication links in the presence of multiple available channels in the system. In addition, the optimal strategies are specified in terms of the number of channels employed by the transmitter to communicate with the primary and secondary receivers. Finally, numerical examples are provided in order to verify the theoretical investigations.en_US
dc.embargo.release2019-04-01en_US
dc.identifier.doi10.1016/j.dsp.2017.01.008en_US
dc.identifier.issn1051-2004
dc.identifier.urihttp://hdl.handle.net/11693/37406
dc.language.isoEnglishen_US
dc.publisherElsevieren_US
dc.relation.isversionofhttp://dx.doi.org/10.1016/j.dsp.2017.01.008en_US
dc.source.titleDigital Signal Processingen_US
dc.subjectCapacityen_US
dc.subjectChannel switchingen_US
dc.subjectMultiuseren_US
dc.subjectPower allocationen_US
dc.subjectTime sharingen_US
dc.titleOptimal channel switching in multiuser systems under average capacity constraintsen_US
dc.typeArticleen_US
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