SCRLH-TL Based Sequential Rotation Feed Network for Broadband Circularly Polarized Antenna Array

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dc.contributor.authorZong, Bin-Feng
dc.contributor.authorWang, Guang-Ming
dc.contributor.authorZeng, Hui-Yong
dc.contributor.authorWang, Ya-Wei
dc.contributor.authorWang, Ding
dc.coverage.issue1cs
dc.coverage.volume25cs
dc.date.accessioned2016-04-20T06:25:35Z
dc.date.available2016-04-20T06:25:35Z
dc.date.issued2016-04cs
dc.description.abstractIn this paper, a broadband circularly polarized (CP) microstrip antenna array using composite right/left-handed transmission line (SCRLH-TL) based sequential rotation (SR) feed network is presented. The characteristics of a SCRLH-TL are initially investigated. Then, a broadband and low insertion loss 45º phase shifter is designed using the SCRLH-TL and the phase shifter is employed in constructing a SR feed network for CP antenna array. To validate the design method of the SR feed network, a 2×2 antenna array comprising sequentially rotated coupled stacked CP antenna elements is designed, fabricated and measured. Both the simulated and measured results indicate that the performances of the antenna element are further enhanced when the SR network is used. The antenna array exhibits the VSWR less than 1.8 dB from 4 GHz to 7 GHz and the 3 dB axial ratio (AR) from 4.4 GHz to 6.8 GHz. Also, high peak gain of 13.7 dBic is obtained. Besides, the normalized radiation patterns at the operating frequencies are symmetrical and the side lobe levels are low at φ=0º and φ=90º.en
dc.formattextcs
dc.format.extent81-88cs
dc.format.mimetypeapplication/pdfen
dc.identifier.citationRadioengineering. 2016 vol. 25, č. 1, s. 81-88. ISSN 1210-2512cs
dc.identifier.doi10.13164/re.2016.0081en
dc.identifier.issn1210-2512
dc.identifier.urihttp://hdl.handle.net/11012/57913
dc.language.isoencs
dc.publisherSpolečnost pro radioelektronické inženýrstvícs
dc.relation.ispartofRadioengineeringcs
dc.relation.urihttp://www.radioeng.cz/fulltexts/2016/16_01_0124_0131.pdfcs
dc.rightsCreative Commons Attribution 3.0 Unported Licenseen
dc.rights.accessopenAccessen
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/en
dc.subjectSimplified composite right/left-handed transmission line (SCRLH-TL)en
dc.subjectcircularly polarized (CP)en
dc.subjectbroadbanden
dc.subjectsequential rotation (SR) feed networken
dc.titleSCRLH-TL Based Sequential Rotation Feed Network for Broadband Circularly Polarized Antenna Arrayen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
eprints.affiliatedInstitution.facultyFakulta eletrotechniky a komunikačních technologiícs
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