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Article: Leaky-Wave Antenna with Switchable Omnidirectional Conical Radiation via Polarization Handedness

TitleLeaky-Wave Antenna with Switchable Omnidirectional Conical Radiation via Polarization Handedness
Authors
Keywordsleaky-wave antenna
periodic structure
helical slit antenna
Beam-steering
circular polarization
Issue Date2020
Citation
IEEE Transactions on Antennas and Propagation, 2020, v. 68, n. 3, p. 1282-1288 How to Cite?
Abstract© 2019 IEEE. Reconfigurable antennas capable of beam-steering offer an efficient solution to optimize the use of the crowded wireless medium and can serve as a multifunction antenna. Beam-steering is often achieved by antenna geometry switching at the expense of hardware complexity. Herein, polarization is used to realize beam-steering without the need for antenna geometry modification. Depending on the handedness of the feed, backward or forward conical radiation is demonstrated in an approximately 13 λ0 long short-circuited helically slotted waveguide antenna. Tapering the slit width with a Taylor distribution reduces the measured sidelobe levels by 3 dB in average and results in a realized gain of 10-13 dB and 11-13 dB for right-handed (backward radiation) and left-handed circularly polarized (forward radiation) feeding, respectively, in the bandwidth from 8.5 to 9.5 GHz.
Persistent Identifierhttp://hdl.handle.net/10722/295198
ISSN
2021 Impact Factor: 4.824
2020 SCImago Journal Rankings: 1.652
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorLiu, Yahong-
dc.contributor.authorLi, Meize-
dc.contributor.authorSong, Kun-
dc.contributor.authorHu, Dingshan-
dc.contributor.authorLiu, Hongchao-
dc.contributor.authorZhao, Xiaopeng-
dc.contributor.authorZhang, Shuang-
dc.contributor.authorNavarro-Cia, Miguel-
dc.date.accessioned2021-01-05T04:59:16Z-
dc.date.available2021-01-05T04:59:16Z-
dc.date.issued2020-
dc.identifier.citationIEEE Transactions on Antennas and Propagation, 2020, v. 68, n. 3, p. 1282-1288-
dc.identifier.issn0018-926X-
dc.identifier.urihttp://hdl.handle.net/10722/295198-
dc.description.abstract© 2019 IEEE. Reconfigurable antennas capable of beam-steering offer an efficient solution to optimize the use of the crowded wireless medium and can serve as a multifunction antenna. Beam-steering is often achieved by antenna geometry switching at the expense of hardware complexity. Herein, polarization is used to realize beam-steering without the need for antenna geometry modification. Depending on the handedness of the feed, backward or forward conical radiation is demonstrated in an approximately 13 λ0 long short-circuited helically slotted waveguide antenna. Tapering the slit width with a Taylor distribution reduces the measured sidelobe levels by 3 dB in average and results in a realized gain of 10-13 dB and 11-13 dB for right-handed (backward radiation) and left-handed circularly polarized (forward radiation) feeding, respectively, in the bandwidth from 8.5 to 9.5 GHz.-
dc.languageeng-
dc.relation.ispartofIEEE Transactions on Antennas and Propagation-
dc.subjectleaky-wave antenna-
dc.subjectperiodic structure-
dc.subjecthelical slit antenna-
dc.subjectBeam-steering-
dc.subjectcircular polarization-
dc.titleLeaky-Wave Antenna with Switchable Omnidirectional Conical Radiation via Polarization Handedness-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1109/TAP.2019.2927865-
dc.identifier.scopuseid_2-s2.0-85069930820-
dc.identifier.volume68-
dc.identifier.issue3-
dc.identifier.spage1282-
dc.identifier.epage1288-
dc.identifier.eissn1558-2221-
dc.identifier.isiWOS:000526057300007-
dc.identifier.issnl0018-926X-

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