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| Presentation | 2023-03-17 13:10 [Invited Talk (Young Researcher)] A Study on Decoupling Method Operating at Single and Dual-Frequency for Planar Inverted-F Antennas by Using Parasitic Elements and Bridge Line Quang Quan Phung, Naobumi Michishita (NDA), Hiroshi Sato, Yoshio Koyanagi (Panasonic), Hisashi Morishita (NDA)  AP2022-247 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In recent years, Multiple-Input Multiple-Output (MIMO) is known as an elemental technology for next-generation communication, and reduction of mutual coupling between antenna elements (hereinafter referred to as decoupling) has become important. Various methods have been proposed for decoupling between two antenna elements, and the method using a bridge line is considered as one of the simplest methods. However, when the antenna elements are connected by the bridge line, the resonant frequency changes, so it is necessary to readjust the size of the antenna to tune the resonant frequency to the desired frequency. Therefore, it is difficult to apply this method to cases where the size of the original antenna cannot be readjusted due to design constraints. In this study, we propose a decoupling method that does not require readjustment of the size and structure of two planar inverted-F antennas (PIFA) by using a structure that combines parasitic elements and a bridge line. First, we consider the decoupling method operating at a single frequency. In addition, there are cases where MIMO antennas are required to operate at multiple frequencies to support multiple wireless systems at the same time. Therefore, we also consider a decoupling method operating at dual-frequency. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Parasitic elements / bridge line / decoupling / MIMO / PIFA / small antenna / / | |
| Reference Info. | IEICE Tech. Rep., vol. 122, no. 441, AP2022-247, pp. 76-80, March 2023. | |
| Paper # | AP2022-247 | |
| Date of Issue | 2023-03-09 (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 | AP2022-247 |
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| Conference Information | |
| Committee | AP |
| Conference Date | 2023-03-16 - 2023-03-17 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Toyama Prefectural Civic Hall |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Antennas and Propagation |
| Paper Information | |
| Registration To | AP |
| Conference Code | 2023-03-AP |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Study on Decoupling Method Operating at Single and Dual-Frequency for Planar Inverted-F Antennas by Using Parasitic Elements and Bridge Line |
| Sub Title (in English) | |
| Keyword(1) | Parasitic elements |
| Keyword(2) | bridge line |
| Keyword(3) | decoupling |
| Keyword(4) | MIMO |
| Keyword(5) | PIFA |
| Keyword(6) | small antenna |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Quang Quan Phung |
| 1st Author's Affiliation | National Defense Academy (NDA) |
| 2nd Author's Name | Naobumi Michishita |
| 2nd Author's Affiliation | National Defense Academy (NDA) |
| 3rd Author's Name | Hiroshi Sato |
| 3rd Author's Affiliation | Panasonic System Networks R&D Lab. (Panasonic) |
| 4th Author's Name | Yoshio Koyanagi |
| 4th Author's Affiliation | Panasonic System Networks R&D Lab. (Panasonic) |
| 5th Author's Name | Hisashi Morishita |
| 5th Author's Affiliation | National Defense Academy (NDA) |
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| Speaker | Author-1 |
| Date Time | 2023-03-17 13:10:00 |
| Presentation Time | 25 minutes |
| Registration for | AP |
| Paper # | AP2022-247 |
| Volume (vol) | vol.122 |
| Number (no) | no.441 |
| Page | pp.76-80 |
| #Pages | 5 |
| Date of Issue | 2023-03-09 (AP) |
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