Frequency-tunable and pattern diversity antennas for cognitive radio applications

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dc.contributor.authorRamadan, Ali H.
dc.contributor.authorCostantine, Joseph
dc.contributor.authorTawk, Youssef A.
dc.contributor.authorChristodoulou, Christos G.
dc.contributor.authorKabalan, Karim Y.
dc.contributor.departmentDepartment of Electrical and Computer Engineering
dc.contributor.facultyMaroun Semaan Faculty of Engineering and Architecture (MSFEA)
dc.contributor.institutionAmerican University of Beirut
dc.date.accessioned2025-01-24T11:29:08Z
dc.date.available2025-01-24T11:29:08Z
dc.date.issued2014
dc.description.abstractFrequency-tunable microstrip antennas, for cognitive radio applications, are proposed herein. The approach is based on tuning the operating frequency of a bandpass filter that is incorporated into a wideband antenna. The integration of an open loop resonator- (OLR-) based adjustable bandpass filter into a wideband antenna to transform it into a tunable filter-antenna is presented. The same technique is employed to design a cognitive radio pattern diversity tunable filter-antenna. A good agreement between the simulated and measured results for the fabricated prototypes is obtained. The radiation characteristics of each designed tunable filter-antenna are included herein. © 2014 A. H. Ramadan et al.
dc.identifier.doihttps://doi.org/10.1155/2014/638627
dc.identifier.eid2-s2.0-84897824130
dc.identifier.urihttp://hdl.handle.net/10938/27092
dc.language.isoen
dc.relation.ispartofInternational Journal of Antennas and Propagation
dc.sourceScopus
dc.subjectAntennas
dc.subjectCognitive radio
dc.subjectMeasured results
dc.subjectOpen-loop resonators
dc.subjectOperating frequency
dc.subjectPattern diversity
dc.subjectRadiation characteristics
dc.subjectRadio applications
dc.subjectWideband antenna
dc.subjectDirectional patterns (antenna)
dc.titleFrequency-tunable and pattern diversity antennas for cognitive radio applications
dc.typeArticle

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