Defected Ground Structure toward Cross Polarization Reduction of Microstrip Patch Antenna with Improved Impedance Matching

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dc.contributor.authorAcharjee, Juin
dc.contributor.authorSingh, Amit Kumar
dc.contributor.authorMandal, Kaushik
dc.contributor.authorMandal, Sujit Kumar
dc.coverage.issue1cs
dc.coverage.volume28cs
dc.date.accessioned2020-04-23T06:56:42Z
dc.date.available2020-04-23T06:56:42Z
dc.date.issued2019-04cs
dc.description.abstractA new approach based on the incorporation of Z-shaped defected ground structure (DGS) in microstrip antenna (MSA) for improving impedance matching and cross polarization (XP) performances is proposed in this paper. Through detail analysis of the surface current densities, and input impedance, the proposed DGS is integrated into a rectangular MSA (RMSA) to realize flat relative XP reduction of 22 dB in the H-plane around broadside angular range of ±60 degrees. Further, an equivalent circuit model (ECM) for the proposed antenna is introduced by considering the mutual coupling in between the DGS and patch and the model is verified using circuit-system-EM co-simulation software, Advanced Design System (ADS). A prototype has been fabricated and tested for the validation of simulated results and it shows good agreement with each other. The antenna operates over 2.32-2.58 GHz with good far-field radiation characteristics and a peak gain of 2.8 dBi at the resonating frequency 2.4 GHz. Hence, the proposed design can be useful for the IEEE 802.11b applications.en
dc.formattextcs
dc.format.extent33-38cs
dc.format.mimetypeapplication/pdfen
dc.identifier.citationRadioengineering. 2019 vol. 28, č. 1, s. 33-38. ISSN 1210-2512cs
dc.identifier.doi10.13164/re.2019.0033en
dc.identifier.issn1210-2512
dc.identifier.urihttp://hdl.handle.net/11012/186826
dc.language.isoencs
dc.publisherSpolečnost pro radioelektronické inženýrstvícs
dc.relation.ispartofRadioengineeringcs
dc.relation.urihttps://www.radioeng.cz/fulltexts/2019/19_01_0033_0038.pdfcs
dc.rightsCreative Commons Attribution 4.0 International licenseen
dc.rights.accessopenAccessen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.subjectImpedance matchingen
dc.subjectcross-polarizationen
dc.subjectdefected ground structureen
dc.subjectmicrostrip patch antennaen
dc.subjectequivalent circuiten
dc.titleDefected Ground Structure toward Cross Polarization Reduction of Microstrip Patch Antenna with Improved Impedance Matchingen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
eprints.affiliatedInstitution.facultyFakulta eletrotechniky a komunikačních technologiícs
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