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A Four-arm Circularly Polarized High-gain High-tilt Beam Curl Antenna for Beam Steering Applications

Hengyi Zhou, Arpan Pal, Amit Mehta Orcid Logo, Dariush Mirshekar, Hisamatsu Nakano

IEEE Antennas and Wireless Propagation Letters, Volume: 17, Issue: 6, Pages: 1034 - 1038

Swansea University Author: Amit Mehta Orcid Logo

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DOI (Published version): 10.1109/LAWP.2018.2830121

Abstract

A novel circularly polarized beam steering four-arm curl antenna with four feed points is presented. The antenna provides steerable high-gain high-tilt right-handed circularly polarized (RHCP) beams for satellite communications. The antenna operates over a test frequency band of 1500 MHz to 1670 MHz...

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Published in: IEEE Antennas and Wireless Propagation Letters
ISSN: 1536-1225 1548-5757
Published: 2018
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URI: https://cronfa.swan.ac.uk/Record/cronfa39893
first_indexed 2018-05-03T14:00:57Z
last_indexed 2020-08-22T03:02:08Z
id cronfa39893
recordtype SURis
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spelling 2020-08-21T16:49:50.6025382 v2 39893 2018-05-03 A Four-arm Circularly Polarized High-gain High-tilt Beam Curl Antenna for Beam Steering Applications 8a1e5679707cf437cbfd17b72514b8a5 0000-0001-8073-2436 Amit Mehta Amit Mehta true false 2018-05-03 ACEM A novel circularly polarized beam steering four-arm curl antenna with four feed points is presented. The antenna provides steerable high-gain high-tilt right-handed circularly polarized (RHCP) beams for satellite communications. The antenna operates over a test frequency band of 1500 MHz to 1670 MHz and covers the entire L1 band. The four arms are arranged symmetrically with respect to the center of the antenna and each arm is fed by a coaxial line. When one of the four feed points is excited and the remaining feed points either open-circuited or terminated to 50° impedance, the antenna generates an RHCP tilted beam of 49° in the elevation plane. At a test frequency of 1575 MHz, the antenna provides a gain of 8.12 dBic. The antenna can switch the tilted beam in the four different space quadrants in the azimuth plane by exciting one feed point at a time. It is found that over the test band, the antenna provides a total efficiency of more than 89% and a gain of greater than 8 dBic. Journal Article IEEE Antennas and Wireless Propagation Letters 17 6 1034 1038 1536-1225 1548-5757 27 4 2018 2018-04-27 10.1109/LAWP.2018.2830121 COLLEGE NANME Aerospace, Civil, Electrical, and Mechanical Engineering COLLEGE CODE ACEM Swansea University 2020-08-21T16:49:50.6025382 2018-05-03T11:46:19.8960787 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Electronic and Electrical Engineering Hengyi Zhou 1 Arpan Pal 2 Amit Mehta 0000-0001-8073-2436 3 Dariush Mirshekar 4 Hisamatsu Nakano 5 0039893-14052018094234.pdf zhou2018(4).pdf 2018-05-14T09:42:34.5930000 Output 1031953 application/pdf Accepted Manuscript true 2018-05-14T00:00:00.0000000 true eng
title A Four-arm Circularly Polarized High-gain High-tilt Beam Curl Antenna for Beam Steering Applications
spellingShingle A Four-arm Circularly Polarized High-gain High-tilt Beam Curl Antenna for Beam Steering Applications
Amit Mehta
title_short A Four-arm Circularly Polarized High-gain High-tilt Beam Curl Antenna for Beam Steering Applications
title_full A Four-arm Circularly Polarized High-gain High-tilt Beam Curl Antenna for Beam Steering Applications
title_fullStr A Four-arm Circularly Polarized High-gain High-tilt Beam Curl Antenna for Beam Steering Applications
title_full_unstemmed A Four-arm Circularly Polarized High-gain High-tilt Beam Curl Antenna for Beam Steering Applications
title_sort A Four-arm Circularly Polarized High-gain High-tilt Beam Curl Antenna for Beam Steering Applications
author_id_str_mv 8a1e5679707cf437cbfd17b72514b8a5
author_id_fullname_str_mv 8a1e5679707cf437cbfd17b72514b8a5_***_Amit Mehta
author Amit Mehta
author2 Hengyi Zhou
Arpan Pal
Amit Mehta
Dariush Mirshekar
Hisamatsu Nakano
format Journal article
container_title IEEE Antennas and Wireless Propagation Letters
container_volume 17
container_issue 6
container_start_page 1034
publishDate 2018
institution Swansea University
issn 1536-1225
1548-5757
doi_str_mv 10.1109/LAWP.2018.2830121
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 A novel circularly polarized beam steering four-arm curl antenna with four feed points is presented. The antenna provides steerable high-gain high-tilt right-handed circularly polarized (RHCP) beams for satellite communications. The antenna operates over a test frequency band of 1500 MHz to 1670 MHz and covers the entire L1 band. The four arms are arranged symmetrically with respect to the center of the antenna and each arm is fed by a coaxial line. When one of the four feed points is excited and the remaining feed points either open-circuited or terminated to 50° impedance, the antenna generates an RHCP tilted beam of 49° in the elevation plane. At a test frequency of 1575 MHz, the antenna provides a gain of 8.12 dBic. The antenna can switch the tilted beam in the four different space quadrants in the azimuth plane by exciting one feed point at a time. It is found that over the test band, the antenna provides a total efficiency of more than 89% and a gain of greater than 8 dBic.
published_date 2018-04-27T07:13:27Z
_version_ 1829176247477862400
score 11.057774

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