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| Presentation | 2024-04-11 16:50 A consideration on improved design of a dual-polarized single-layer wideband ring microstrip antenna fed by an L-probe with a via at the center of the radiation element Takeshi Tomura, Sakuyoshi Saito, Yuichi Kimura (Saitama Univ.)  AP2024-6 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | This paper presents improved design of a dual-polarized single-layer wideband ring microstrip antenna (MSA) fed by two L-probes with a via at the center of the radiation element. The proposed antenna consists of a square ring patch as a radiation element and two L-probes to excite two orthogonal modes of the patch. They are arranged on a thick single-layer dielectric substrate. In order to improve the port-to-port isolation characteristics, a via is introduced at the center of the ring patch. A thick dielectric substrate with a relative dielectric constant of 2.6 and a thickness of 3 mm is used to obtain wideband characteristics. The dimensions of the ring patch are tuned appropriately using the electromagnetic simulator ANYSYS HFSS. The simulated results reveal that broadband performance of a fractional bandwidth of 33.1% is obtained at around 12 GHz. Then, a prototype antenna is fabricated. The measured S11 and S22 less than -10 dB are from 10.32 to 14.32 GHz and from 10.72 to 14.64 GHz, respectively. The corresponding fractional bandwidths are 32.5% and 30.9%, respectively. The measured port-to-port isolation in the above bandwidths are more than 14.3 dB. Furthermore, reflection and port-to-port isolation characteristics of the proposed antenna with and without the via and with the ring and square patches are compared by the simulation. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | microstrip antenna / planar antenna / wideband / dual-polarization / L-probe / via / / | |
| Reference Info. | IEICE Tech. Rep., vol. 124, no. 1, AP2024-6, pp. 31-36, April 2024. | |
| Paper # | AP2024-6 | |
| Date of Issue | 2024-04-04 (AP) | |
| ISSN | Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | AP2024-6 |
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| Conference Information | |
| Committee | AP |
| Conference Date | 2024-04-11 - 2024-04-11 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | KOBE PORT OASIS |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Antennas and Propagation |
| Paper Information | |
| Registration To | AP |
| Conference Code | 2024-04-AP |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A consideration on improved design of a dual-polarized single-layer wideband ring microstrip antenna fed by an L-probe with a via at the center of the radiation element |
| Sub Title (in English) | |
| Keyword(1) | microstrip antenna |
| Keyword(2) | planar antenna |
| Keyword(3) | wideband |
| Keyword(4) | dual-polarization |
| Keyword(5) | L-probe |
| Keyword(6) | via |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Takeshi Tomura |
| 1st Author's Affiliation | Saitama University (Saitama Univ.) |
| 2nd Author's Name | Sakuyoshi Saito |
| 2nd Author's Affiliation | Saitama University (Saitama Univ.) |
| 3rd Author's Name | Yuichi Kimura |
| 3rd Author's Affiliation | Saitama University (Saitama Univ.) |
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| Speaker | Author-3 |
| Date Time | 2024-04-11 16:50:00 |
| Presentation Time | 25 minutes |
| Registration for | AP |
| Paper # | AP2024-6 |
| Volume (vol) | vol.124 |
| Number (no) | no.1 |
| Page | pp.31-36 |
| #Pages | 6 |
| Date of Issue | 2024-04-04 (AP) |
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