Circularly Polarized Rounded-Off Triangular Microstrip Line Array Antenna

David DELAUNE; Josaphat Tetuko SRI SUMANTYO; Masaharu TAKAHASHI; Koichi ITO

doi:10.1093/ietcom/e89-b.4.1372

Circularly Polarized Rounded-Off Triangular Microstrip Line Array Antenna

David DELAUNE, Josaphat Tetuko SRI SUMANTYO, Masaharu TAKAHASHI, Koichi ITO

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The Japan Aerospace Exploration Agency (JAXA) plans to launch a geostationary satellite called Engineering Test Satellite VIII (ETS-VIII) in FY 2006. In this paper, a microstrip line array antenna, which has a very simple structure, is introduced to radiate a circularly polarized wave aiming at ETS-VIII applications. This antenna consists of a triangular conducting line with its vertexes rounded off, located above a ground plane, with a gap on one of its side to produce a circular polarization. The proposed antenna is analyzed by numerical simulations for a single element as well as for a three elements array configuration and the possibility of beam-switching in the azimuth space is experimentally confirmed in the latter case. It is found that by properly feeding the elements constituting the array antenna, for an elevation angle El = 48in Tokyo area, three beams are created in the conical-cut direction with a minimum gain more than 6.6 dBic and an axial ratio less than 3 dB.

Publication: IEICE TRANSACTIONS on Communications Vol.E89-B No.4 pp.1372-1381

Publication Date: 2006/04/01

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Online ISSN: 1745-1345

DOI: 10.1093/ietcom/e89-b.4.1372

Type of Manuscript: PAPER

Category: Antennas and Propagation

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David DELAUNE, Josaphat Tetuko SRI SUMANTYO, Masaharu TAKAHASHI, Koichi ITO, "Circularly Polarized Rounded-Off Triangular Microstrip Line Array Antenna" in IEICE TRANSACTIONS on Communications, vol. E89-B, no. 4, pp. 1372-1381, April 2006, doi: 10.1093/ietcom/e89-b.4.1372.
Abstract: The Japan Aerospace Exploration Agency (JAXA) plans to launch a geostationary satellite called Engineering Test Satellite VIII (ETS-VIII) in FY 2006. In this paper, a microstrip line array antenna, which has a very simple structure, is introduced to radiate a circularly polarized wave aiming at ETS-VIII applications. This antenna consists of a triangular conducting line with its vertexes rounded off, located above a ground plane, with a gap on one of its side to produce a circular polarization. The proposed antenna is analyzed by numerical simulations for a single element as well as for a three elements array configuration and the possibility of beam-switching in the azimuth space is experimentally confirmed in the latter case. It is found that by properly feeding the elements constituting the array antenna, for an elevation angle El = 48in Tokyo area, three beams are created in the conical-cut direction with a minimum gain more than 6.6 dBic and an axial ratio less than 3 dB.
URL: https://global.ieice.org/en_transactions/communications/10.1093/ietcom/e89-b.4.1372/_p

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@ARTICLE{e89-b_4_1372,
author={David DELAUNE, Josaphat Tetuko SRI SUMANTYO, Masaharu TAKAHASHI, Koichi ITO, },
journal={IEICE TRANSACTIONS on Communications},
title={Circularly Polarized Rounded-Off Triangular Microstrip Line Array Antenna},
year={2006},
volume={E89-B},
number={4},
pages={1372-1381},
abstract={The Japan Aerospace Exploration Agency (JAXA) plans to launch a geostationary satellite called Engineering Test Satellite VIII (ETS-VIII) in FY 2006. In this paper, a microstrip line array antenna, which has a very simple structure, is introduced to radiate a circularly polarized wave aiming at ETS-VIII applications. This antenna consists of a triangular conducting line with its vertexes rounded off, located above a ground plane, with a gap on one of its side to produce a circular polarization. The proposed antenna is analyzed by numerical simulations for a single element as well as for a three elements array configuration and the possibility of beam-switching in the azimuth space is experimentally confirmed in the latter case. It is found that by properly feeding the elements constituting the array antenna, for an elevation angle El = 48in Tokyo area, three beams are created in the conical-cut direction with a minimum gain more than 6.6 dBic and an axial ratio less than 3 dB.},
keywords={},
doi={10.1093/ietcom/e89-b.4.1372},
ISSN={1745-1345},
month={April},}

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TY - JOUR
TI - Circularly Polarized Rounded-Off Triangular Microstrip Line Array Antenna
T2 - IEICE TRANSACTIONS on Communications
SP - 1372
EP - 1381
AU - David DELAUNE
AU - Josaphat Tetuko SRI SUMANTYO
AU - Masaharu TAKAHASHI
AU - Koichi ITO
PY - 2006
DO - 10.1093/ietcom/e89-b.4.1372
JO - IEICE TRANSACTIONS on Communications
SN - 1745-1345
VL - E89-B
IS - 4
JA - IEICE TRANSACTIONS on Communications
Y1 - April 2006
AB - The Japan Aerospace Exploration Agency (JAXA) plans to launch a geostationary satellite called Engineering Test Satellite VIII (ETS-VIII) in FY 2006. In this paper, a microstrip line array antenna, which has a very simple structure, is introduced to radiate a circularly polarized wave aiming at ETS-VIII applications. This antenna consists of a triangular conducting line with its vertexes rounded off, located above a ground plane, with a gap on one of its side to produce a circular polarization. The proposed antenna is analyzed by numerical simulations for a single element as well as for a three elements array configuration and the possibility of beam-switching in the azimuth space is experimentally confirmed in the latter case. It is found that by properly feeding the elements constituting the array antenna, for an elevation angle El = 48in Tokyo area, three beams are created in the conical-cut direction with a minimum gain more than 6.6 dBic and an axial ratio less than 3 dB.
ER -