A Compact Single Layer Reflectarray Antenna Based on Circular Delay-Lines for X-band Applications

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dc.contributor.authorShabbir, Tayyab
dc.contributor.authorSaleem, Rashid
dc.contributor.authorRehman, Sabih Ur
dc.contributor.authorShafique, Muhammad Farhan
dc.coverage.issue2cs
dc.coverage.volume27cs
dc.date.accessioned2018-06-18T12:49:18Z
dc.date.available2018-06-18T12:49:18Z
dc.date.issued2018-06cs
dc.description.abstractThis paper presents a compact single layer reflectarray antenna based on a diagonally notched square patch and a pair of circular delay lines, for X-band applications. The length and width of circular delay-lines are varied and optimized to attain a linear phase range of more than 600º. The effect of incident angle in TE and TM modes at 0º, 15º and 30º is studied, which offers stable angular phase range. The hybrid Finite Element Boundary Integral (FEBI) method is used for simulation of the whole reflectarray system comprising of 27 × 27 elements and being fabricated on a low cost FR-4 laminate. The measured gain of 24.5 dBi with aperture efficiency of 49.5% is achieved at 10 GHz. The proposed design provides the measured 1-dB gain bandwidth of 12.5% and 3-dB gain bandwidth of 34%. The simulated and measured side-lobe-levels and cross polarizations are less than –25 dB and –40 dB respectively.en
dc.formattextcs
dc.format.extent440-447cs
dc.format.mimetypeapplication/pdfen
dc.identifier.citationRadioengineering. 2018 vol. 27, č. 2, s. 440-447. ISSN 1210-2512cs
dc.identifier.doi10.13164/re.2018.0440en
dc.identifier.issn1210-2512
dc.identifier.urihttp://hdl.handle.net/11012/83026
dc.language.isoencs
dc.publisherSpolečnost pro radioelektronické inženýrstvícs
dc.relation.ispartofRadioengineeringcs
dc.relation.urihttps://www.radioeng.cz/fulltexts/2018/18_02_0440_0447.pdfcs
dc.rightsCreative Commons Attribution 4.0 Internationalen
dc.rights.accessopenAccessen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.subjectReflectarray antennaen
dc.subjecthigh gainen
dc.subjectcircular delay-linesen
dc.subjectphase rangeen
dc.subjectTE and TM modesen
dc.subjectsingle layeren
dc.titleA Compact Single Layer Reflectarray Antenna Based on Circular Delay-Lines for X-band Applicationsen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
eprints.affiliatedInstitution.facultyFakulta eletrotechniky a komunikačních technologiícs
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