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Antenna System Composed of T-Shaped Elements Coupled to an Open Radial Waveguide

Hisamatsu Nakano, Yuhei Kameta, Toru Kawano, Amit Mehta Orcid Logo, Arpan Pal, Andrew Skippins, Junji Yamauchi

IEEE Transactions on Antennas and Propagation, Volume: 66, Issue: 2, Pages: 550 - 563

Swansea University Author: Amit Mehta Orcid Logo

Abstract

An antenna system composed of an activated open radial waveguide (RadWG) and parasitic T-shaped elements is proposed as a high-gain antenna, where the radiation beam is steerable around the system axis. The T-shaped elements are proximity-coupled to the RadWG. It is found that the upper round plate...

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Published in: IEEE Transactions on Antennas and Propagation
ISSN: 0018-926X 1558-2221
Published: Institute of Electrical and Electronics Engineers (IEEE) 2018
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URI: https://cronfa.swan.ac.uk/Record/cronfa37795
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spelling 2020-10-27T16:38:09.6728885 v2 37795 2018-01-02 Antenna System Composed of T-Shaped Elements Coupled to an Open Radial Waveguide 8a1e5679707cf437cbfd17b72514b8a5 0000-0001-8073-2436 Amit Mehta Amit Mehta true false 2018-01-02 EEEG An antenna system composed of an activated open radial waveguide (RadWG) and parasitic T-shaped elements is proposed as a high-gain antenna, where the radiation beam is steerable around the system axis. The T-shaped elements are proximity-coupled to the RadWG. It is found that the upper round plate for the RadWG contributes to forming a desirable beam and increasing the gain. The beam steering with a gain of greater than targeted 9 dBi in 16 azimuthal directions is obtained by changing the location of open-state T-shaped elements whose height is 0.18 wavelength. Effects on the radiation characteristics of the system parameters, including the RadWG height, upper round plate diameter, ground plane diameter, and number of open-state T-shaped elements, are also analyzed and discussed. Journal Article IEEE Transactions on Antennas and Propagation 66 2 550 563 Institute of Electrical and Electronics Engineers (IEEE) 0018-926X 1558-2221 T-shaped element, radial waveguide, parasitic, multidirectional beams 1 2 2018 2018-02-01 10.1109/tap.2017.2779558 COLLEGE NANME Electronic and Electrical Engineering COLLEGE CODE EEEG Swansea University 2020-10-27T16:38:09.6728885 2018-01-02T15:42:19.4105437 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Electronic and Electrical Engineering Hisamatsu Nakano 1 Yuhei Kameta 2 Toru Kawano 3 Amit Mehta 0000-0001-8073-2436 4 Arpan Pal 5 Andrew Skippins 6 Junji Yamauchi 7 0037795-02012018154435.pdf nakano2017.pdf 2018-01-02T15:44:35.7270000 Output 1723668 application/pdf Accepted Manuscript true 2018-01-02T00:00:00.0000000 true eng
title Antenna System Composed of T-Shaped Elements Coupled to an Open Radial Waveguide
spellingShingle Antenna System Composed of T-Shaped Elements Coupled to an Open Radial Waveguide
Amit Mehta
title_short Antenna System Composed of T-Shaped Elements Coupled to an Open Radial Waveguide
title_full Antenna System Composed of T-Shaped Elements Coupled to an Open Radial Waveguide
title_fullStr Antenna System Composed of T-Shaped Elements Coupled to an Open Radial Waveguide
title_full_unstemmed Antenna System Composed of T-Shaped Elements Coupled to an Open Radial Waveguide
title_sort Antenna System Composed of T-Shaped Elements Coupled to an Open Radial Waveguide
author_id_str_mv 8a1e5679707cf437cbfd17b72514b8a5
author_id_fullname_str_mv 8a1e5679707cf437cbfd17b72514b8a5_***_Amit Mehta
author Amit Mehta
author2 Hisamatsu Nakano
Yuhei Kameta
Toru Kawano
Amit Mehta
Arpan Pal
Andrew Skippins
Junji Yamauchi
format Journal article
container_title IEEE Transactions on Antennas and Propagation
container_volume 66
container_issue 2
container_start_page 550
publishDate 2018
institution Swansea University
issn 0018-926X
1558-2221
doi_str_mv 10.1109/tap.2017.2779558
publisher Institute of Electrical and Electronics Engineers (IEEE)
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Electronic and Electrical Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Electronic and Electrical Engineering
document_store_str 1
active_str 0
description An antenna system composed of an activated open radial waveguide (RadWG) and parasitic T-shaped elements is proposed as a high-gain antenna, where the radiation beam is steerable around the system axis. The T-shaped elements are proximity-coupled to the RadWG. It is found that the upper round plate for the RadWG contributes to forming a desirable beam and increasing the gain. The beam steering with a gain of greater than targeted 9 dBi in 16 azimuthal directions is obtained by changing the location of open-state T-shaped elements whose height is 0.18 wavelength. Effects on the radiation characteristics of the system parameters, including the RadWG height, upper round plate diameter, ground plane diameter, and number of open-state T-shaped elements, are also analyzed and discussed.
published_date 2018-02-01T03:47:39Z
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score 11.016258