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Non-Uniform Metasurface-Integrated Circularly Polarized End-Fire Dipole Array Antennaoa mark
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dc.contributor.authorNkimbeng, Cho Hilary Scott-
dc.contributor.authorWang, Heesu-
dc.contributor.authorByun, Gangil-
dc.contributor.authorPark, Yong Bae-
dc.contributor.authorPark, Ikmo-
dc.date.issued2023-01-01-
dc.identifier.issn2671-7263-
dc.identifier.urihttps://aurora.ajou.ac.kr/handle/2018.oak/33438-
dc.identifier.urihttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85160652168&origin=inward-
dc.description.abstractThis paper presents a high-gain wideband circularly polarized antenna composed of an end-fire dipole array antenna integrated with a metasurface. The antenna consists of a two-layer cascaded non-uniform metasurface made up of 4 × 4 circular patches with cross-slots of unequal lengths placed above an end-fire dipole array antenna with an air gap between the structures. The end-fire dipole array antenna comprises four equally spaced dipole elements, and each dipole is connected to a parallel stripline printed on the front and back sides of the substrate. The metasurface, which is made up of a circular patch with 2 × 2 center patches that have a different radius than the outer patches, and the cross-slots of unequal lengths are used for the polarization conversion of a linearly polarized wave to a circularly polarized wave. The measured reflection coefficients for |S11| < -10 dB yielded an impedance bandwidth of 25.6–31.8 GHz (21.5%), a 3-dB axial ratio (AR) bandwidth of 26.1–30.5 GHz (15.5%), a 3-dB gain bandwidth of 26.0–31.1 GHz (17.4%) with a peak gain of 11.0 dBic, and a radiation efficiency of more than 80% in the axial ratio bandwidth.-
dc.description.sponsorshipThis work was supported in part by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIT) (No. NRF-2022R1F1A1065324); in part by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIT) (No. 2021R1A4A1030775); and in part by Institute of Information & communications Technology Planning & Evaluation (IITP) grant funded by the Korea government (MSIT) (No. 2022-0-00704-001, Development of 3D-NET Core Technology for High-Mobility Vehicular Service).-
dc.language.isoeng-
dc.publisherKorean Institute of Electromagnetic Engineering and Science-
dc.titleNon-Uniform Metasurface-Integrated Circularly Polarized End-Fire Dipole Array Antenna-
dc.typeArticle-
dc.citation.endPage121-
dc.citation.number2-
dc.citation.startPage109-
dc.citation.titleJournal of Electromagnetic Engineering and Science-
dc.citation.volume23-
dc.identifier.bibliographicCitationJournal of Electromagnetic Engineering and Science, Vol.23 No.2, pp.109-121-
dc.identifier.doi2-s2.0-85160652168-
dc.identifier.scopusid2-s2.0-85160652168-
dc.identifier.urlhttp://www.jees.kr/-
dc.subject.keywordCircular Polarization-
dc.subject.keywordEnd-Fire Array Antenna-
dc.subject.keywordMetasurface-
dc.subject.keywordPolarization Conversion Surface-
dc.subject.keywordPrinted Dipole Array Antenna-
dc.type.otherArticle-
dc.identifier.pissn2671-7255-
dc.description.isoatrue-
dc.subject.subareaRadiation-
dc.subject.subareaInstrumentation-
dc.subject.subareaComputer Networks and Communications-
dc.subject.subareaElectrical and Electronic Engineering-
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