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Article: A Wideband Dual-polarized Inductor-end Slot Antenna with Stable-beamwidth

TitleA Wideband Dual-polarized Inductor-end Slot Antenna with Stable-beamwidth
Authors
Keywords1-λ resonant mode
cross-slot
dual-polarized antenna
inductor-end slot
stable beamwidth
stable gain
Issue Date15-Feb-2018
PublisherInstitute of Electrical and Electronics Engineers
Citation
IEEE Antennas and Wireless Propagation Letters, 2018, v. 17, n. 4, p. 608-612 How to Cite?
Abstract

This letter presents a wideband cross-slot antenna (CSA) with inductor loadings for dual polarization. The effects of the ground size on the impedance are investigated. To achieve a compact size, a very small ground having the same hypotenuse length as the slot is used. The inductor loadings are used at both ends of the slot to reduce the size further. Simulated results show that the loaded inductors contribute to a more constant impedance to the frequency response at 1-λ mode, and the impedance moves toward the lower frequency with inductors. Based on the constant impedance of the inductor-end slot at 1-λ mode, a dual-polarized CSA using two orthogonal slot radiators is designed. Measured results show that the proposed dual-polarized antenna has wide impedance bandwidths of 56.2% from 1.56 to 2.78 GHz and 60.6% from 1.46 to 2.73 GHz for Ports 1 and 2, respectively, with a high isolation of more than 26 dB over the operating bandwidth. The antenna also has a stable broadside gain of 8.05 ± 0.45 dBi and stable half-power beamwidths of 60.5° ± 1.8° in the E-plane and 76.1° ± 1.5° in the H-plane for Port 1.


Persistent Identifierhttp://hdl.handle.net/10722/339808
ISSN
2023 Impact Factor: 3.7
2023 SCImago Journal Rankings: 1.634
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorZhou, C-
dc.contributor.authorWong, H-
dc.contributor.authorYeung, Kwan L-
dc.date.accessioned2024-03-11T10:39:27Z-
dc.date.available2024-03-11T10:39:27Z-
dc.date.issued2018-02-15-
dc.identifier.citationIEEE Antennas and Wireless Propagation Letters, 2018, v. 17, n. 4, p. 608-612-
dc.identifier.issn1536-1225-
dc.identifier.urihttp://hdl.handle.net/10722/339808-
dc.description.abstract<p>This letter presents a wideband cross-slot antenna (CSA) with inductor loadings for dual polarization. The effects of the ground size on the impedance are investigated. To achieve a compact size, a very small ground having the same hypotenuse length as the slot is used. The inductor loadings are used at both ends of the slot to reduce the size further. Simulated results show that the loaded inductors contribute to a more constant impedance to the frequency response at 1-λ mode, and the impedance moves toward the lower frequency with inductors. Based on the constant impedance of the inductor-end slot at 1-λ mode, a dual-polarized CSA using two orthogonal slot radiators is designed. Measured results show that the proposed dual-polarized antenna has wide impedance bandwidths of 56.2% from 1.56 to 2.78 GHz and 60.6% from 1.46 to 2.73 GHz for Ports 1 and 2, respectively, with a high isolation of more than 26 dB over the operating bandwidth. The antenna also has a stable broadside gain of 8.05 ± 0.45 dBi and stable half-power beamwidths of 60.5° ± 1.8° in the E-plane and 76.1° ± 1.5° in the H-plane for Port 1.<br></p>-
dc.languageeng-
dc.publisherInstitute of Electrical and Electronics Engineers-
dc.relation.ispartofIEEE Antennas and Wireless Propagation Letters-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.subject1-λ resonant mode-
dc.subjectcross-slot-
dc.subjectdual-polarized antenna-
dc.subjectinductor-end slot-
dc.subjectstable beamwidth-
dc.subjectstable gain-
dc.titleA Wideband Dual-polarized Inductor-end Slot Antenna with Stable-beamwidth-
dc.typeArticle-
dc.identifier.doi10.1109/LAWP.2018.2805827-
dc.identifier.scopuseid_2-s2.0-85042078375-
dc.identifier.volume17-
dc.identifier.issue4-
dc.identifier.spage608-
dc.identifier.epage612-
dc.identifier.eissn1548-5757-
dc.identifier.isiWOS:000429250400020-
dc.identifier.issnl1536-1225-

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