Targeting Wideband Circular Polarization: An Efficient 2×2 Sequentially-Phase-Fed Rotated Array Antenna

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dc.contributor.authorMohammadi-Asl, Saeed
dc.contributor.authorNourinia, Javad
dc.contributor.authorGhobadi, Changiz
dc.contributor.authorMajidzadeh, Maryain
dc.coverage.issue1cs
dc.coverage.volume27cs
dc.date.accessioned2018-06-18T10:30:18Z
dc.date.available2018-06-18T10:30:18Z
dc.date.issued2018-04cs
dc.description.abstractThis paper outlines an efficient design of a wideband sequential-phase (SP) fed circularly polarized corner-truncated patch array antenna (CPCTPAA) with sequentially rotated (SR) array elements. The SP feed network is composed of a circular ring with an inner section of 270°. Four shorting strips are attached to the circular ring to the end of which corner-truncated patches (CTPs) are appended. Through the proposed feed structure, stable phase difference is attained at the end of the shorting strips which in turn ends in CP generation. Each array element of 2×2 CPCTPAA is a CTP printed on the top side of the FR4 substrate. On the backside, rectangular slots are removed from the ground plane to enhance the bandwidth characteristics of the proposed design. Moreover, suitable rectangular slots are embedded at the crossing points of CTPs and feed lines which instigate extra improvements in CPCTPAA performance. These amendments, all together, are deemed for achieving an efficient and cost-effective CPCTPAA design with smaller occupied implementation space. Simulation and experimental studies are conducted on a 70×70×1.6 mm3 prototype to evaluate performance of the proposed array antenna. Results are discussed in depth.en
dc.formattextcs
dc.format.extent79-84cs
dc.format.mimetypeapplication/pdfen
dc.identifier.citationRadioengineering. 2018 vol. 27, č. 1, s. 79-84. ISSN 1210-2512cs
dc.identifier.doi10.13164/re.2018.0079en
dc.identifier.issn1210-2512
dc.identifier.urihttp://hdl.handle.net/11012/82963
dc.language.isoencs
dc.publisherSpolečnost pro radioelektronické inženýrstvícs
dc.relation.ispartofRadioengineeringcs
dc.relation.urihttps://www.radioeng.cz/fulltexts/2018/18_01_0079_0084.pdfcs
dc.rightsCreative Commons Attribution 4.0 Internationalen
dc.rights.accessopenAccessen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.subjectCircular polarizationen
dc.subjectcorner-truncated patchesen
dc.subjectrectangular shaped slotsen
dc.subjectsequential phase feeden
dc.subjectwide Impedance bandwidthen
dc.subjectwide CP bandwidthen
dc.titleTargeting Wideband Circular Polarization: An Efficient 2×2 Sequentially-Phase-Fed Rotated Array Antennaen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
eprints.affiliatedInstitution.facultyFakulta eletrotechniky a komunikačních technologiícs
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