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Paper Abstract and Keywords
Presentation 2022-07-29 13:05
Decoupling Method For Multiple Planar Inverted-F Antennas Using Parasitic Elements and Bridge Elements
Phung Quang Quan, Naobumi Michishita (NDA), Hiroshi Sato, Yoshio Koyanagi (Panasonic), Hisashi Morishita (NDA) AP2022-59
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 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 or structure of the antenna to tune the resonant frequency to the desired frequency. Therefore, this method is not suitable when it is difficult to redesign the size of structure of the original antenna due to design constraints. In this study, we propose a decoupling method that does not require redesign of the size or structure of two planar inverted-F antennas (PIFA) by using a structure that combines parasitic elements and a bridge line. Then, the PIFAs are developed from two to four elements and the proposed method is applied to decouple the four PIFAs. The simulations in this study are performed using the simulator based on FDTD method and their validity is confirmed by measuring fabricated prototype of the antennas.
Keyword (in Japanese) (See Japanese page) 
(in English) parasitic element / bridge line / decoupling / MIMO / PIFA / Small antenna / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 135, AP2022-59, pp. 140-144, July 2022.
Paper # AP2022-59 
Date of Issue 2022-07-20 (AP) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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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 AP2022-59

Conference Information
Committee AP SANE SAT  
Conference Date 2022-07-27 - 2022-07-29 
Place (in Japanese) (See Japanese page) 
Place (in English) Asahikawa Taisetsu Crystal Hall 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Remote sensing, Sattelite Communication, Radio propagation, Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2022-07-AP-SANE-SAT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Decoupling Method For Multiple Planar Inverted-F Antennas Using Parasitic Elements and Bridge Elements 
Sub Title (in English)  
Keyword(1) parasitic element  
Keyword(2) bridge line  
Keyword(3) decoupling  
Keyword(4) MIMO  
Keyword(5) PIFA  
Keyword(6) Small antenna  
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Keyword(8)  
1st Author's Name Phung Quang Quan  
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. Co., Ltd. (Panasonic)
4th Author's Name Yoshio Koyanagi  
4th Author's Affiliation Panasonic System Networks R&D Lab. Co., Ltd. (Panasonic)
5th Author's Name Hisashi Morishita  
5th Author's Affiliation National Defense Academy (NDA)
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Speaker
Date Time 2022-07-29 13:05:00 
Presentation Time 25 
Registration for AP 
Paper # AP2022-59 
Volume (vol) 122 
Number (no) no.135 
Page pp.140-144 
#Pages
Date of Issue 2022-07-20 (AP) 


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