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| Presentation | 2020-09-25 09:25 A Study on Reduction of Electromagnetic Coupling between Symmetric Antennas Using Even-odd Mode Analysis Hiroshi Sato (panasonic), Phung Quang Quan (NDA), Kazuhiro Eguchi, Yoshio Koyanagi (panasonic), Hisashi Morishita (NDA)  AP2020-60 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In recent information terminals, MIMO technology that uses multiple antennas is often used for stable communication of large amounts of data. Since information terminals are required to be miniaturized, we want to place multiple antennas close to each other in the terminal and minimize the volume required for the antennas without using additional parts as much as possible. However, in this case, strong electromagnetic coupling occurs between the antennas, and the desired communication distance and communication capacity cannot be obtained. This report presents a design method for reducing coupling between two antennas with the goal of not using lumped constant components. First, a known MIMO antenna in which the antennas are connected by a bridge line is analyzed in even-odd modes to establish a design method. Next, using the proposed method, the coupling between two element mono-poles is reduced without a bridge line connection between antennas, and the matching circuit is not used by devising the antenna shape. It showed effectiveness. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Antenna / MIMO / Coupling / even-odd mode / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 120, no. 171, AP2020-60, pp. 121-126, Sept. 2020. | |
| Paper # | AP2020-60 | |
| Date of Issue | 2020-09-17 (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 | AP2020-60 |
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| Conference Information | |
| Committee | MW AP |
| Conference Date | 2020-09-24 - 2020-09-25 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Microwave, Millimeter wave, Antennas and Propagation |
| Paper Information | |
| Registration To | AP |
| Conference Code | 2020-09-MW-AP |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Study on Reduction of Electromagnetic Coupling between Symmetric Antennas Using Even-odd Mode Analysis |
| Sub Title (in English) | |
| Keyword(1) | Antenna |
| Keyword(2) | MIMO |
| Keyword(3) | Coupling |
| Keyword(4) | even-odd mode |
| Keyword(5) | |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Hiroshi Sato |
| 1st Author's Affiliation | panasonic (panasonic) |
| 2nd Author's Name | Phung Quang Quan |
| 2nd Author's Affiliation | National Defense Academy (NDA) |
| 3rd Author's Name | Kazuhiro Eguchi |
| 3rd Author's Affiliation | panasonic (panasonic) |
| 4th Author's Name | Yoshio Koyanagi |
| 4th Author's Affiliation | panasonic (panasonic) |
| 5th Author's Name | Hisashi Morishita |
| 5th Author's Affiliation | National Defense Academy (NDA) |
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| Speaker | Author-1 |
| Date Time | 2020-09-25 09:25:00 |
| Presentation Time | 25 minutes |
| Registration for | AP |
| Paper # | AP2020-60 |
| Volume (vol) | vol.120 |
| Number (no) | no.171 |
| Page | pp.121-126 |
| #Pages | 6 |
| Date of Issue | 2020-09-17 (AP) |
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