A Novel Differential Fed High Gain Patch Antenna Using Resonant Slot Loading

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dc.contributor.authorAhmed, Zubair
dc.contributor.authorAhmed, Muhammad Mansoor
dc.contributor.authorBin Ihsan, Mojeeb
dc.coverage.issue3cs
dc.coverage.volume27cs
dc.date.accessioned2018-11-23T09:26:50Z
dc.date.available2018-11-23T09:26:50Z
dc.date.issued2018-09cs
dc.description.abstractInspired by slotted waveguide antennas, a pair of resonant slots is placed in the center out of phase region of TM30 mode rectangular patch antenna which acts as a new radiating edge. Superposition of radiated fields of TM30 mode patch and fundamental mode of slots results in high directivity radiator with reduced side lobe levels (SLL). It is shown that by making the resonant frequencies of patch and slots equal, good impedance matching and gain flatness can be achieved. The placement of resonant slots also has a slight adverse affect on the in phase current distribution resulting in asymmetric radiation pattern. It is demonstrated that a differential feeding scheme can be employed to achieve gain enhancement and symmetric radiation pattern by keeping the desired in phase current distribution intact. The proposed differential fed slot loaded patch antenna has symmetric radiation pattern with reduced cross polarization levels. It shows a measured gain of 12.8dBi, SLL of -12dB and S11≤ -10 dB impedance bandwidth of 21 MHz. The proposed antenna can be used as a substitute for 2x2 array of patch antenna operating in fundamental mode and is suitable for integration with differential circuits.en
dc.formattextcs
dc.format.extent662-670cs
dc.format.mimetypeapplication/pdfen
dc.identifier.citationRadioengineering. 2018 vol. 27, č. 3, s. 662-670. ISSN 1210-2512cs
dc.identifier.doi10.13164/re.2018.0662en
dc.identifier.issn1210-2512
dc.identifier.urihttp://hdl.handle.net/11012/137021
dc.language.isoencs
dc.publisherSpolečnost pro radioelektronické inženýrstvícs
dc.relation.ispartofRadioengineeringcs
dc.relation.urihttps://www.radioeng.cz/fulltexts/2018/18_03_0662_0670.pdfcs
dc.rightsCreative Commons Attribution 4.0 International licenseen
dc.rights.accessopenAccessen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.subjectHigher order modeen
dc.subjectdifferential feden
dc.subjectslot loadingen
dc.subjecthigh gainen
dc.subjectlow side lobe levelen
dc.subjectmicrostrip antennaen
dc.titleA Novel Differential Fed High Gain Patch Antenna Using Resonant Slot Loadingen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
eprints.affiliatedInstitution.facultyFakulta eletrotechniky a komunikačních technologiícs
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