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Paper Abstract and Keywords
Presentation 2017-02-16 10:55
[Invited Lecture] Method of mutual coupling reduction between closely placed MIMO antennas
Hiroshi Sato, Yoshio Koyanagi (Panasonic), Masaharu Takahashi (Chiba Univ.) AP2016-157
Abstract (in Japanese) (See Japanese page) 
(in English) Recently, in order to realize large capacity wireless communication, MIMO technology is generally installed in a compact terminal considering designability and convenience. In this case, a strong electromagnetic coupling occurs due to the proximity distance between the antennas, the antenna efficiency decreases, and the communication distance and the communication capacity decrease, which have is a problem. As a countermeasure to this problem, the authors have studied various decoupling methods in the close MIMO antenna. Firstly, we analyzed the existing method for 1 frequency which connects phase shifter and antenna via parts In this presentation. And this method was modified for corresponding to multiple frequencies. Furthermore, various decoupling methods without connecting the antennas via parts using branch antenna element shape or short stubs and were developed.
Keyword (in Japanese) (See Japanese page) 
(in English) Mobile terminal / Antenna / Directivity / MIMO / Coupling / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 454, AP2016-157, pp. 5-10, Feb. 2017.
Paper # AP2016-157 
Date of Issue 2017-02-09 (AP) 
ISSN Print edition: ISSN 0913-5685    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 AP2016-157

Conference Information
Committee AP  
Conference Date 2017-02-16 - 2017-02-17 
Place (in Japanese) (See Japanese page) 
Place (in English) Tochigiken-sougou-bunnka Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Industrial Session, Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2017-02-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Method of mutual coupling reduction between closely placed MIMO antennas 
Sub Title (in English)  
Keyword(1) Mobile terminal  
Keyword(2) Antenna  
Keyword(3) Directivity  
Keyword(4) MIMO  
Keyword(5) Coupling  
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1st Author's Name Hiroshi Sato  
1st Author's Affiliation Panasonic Corporation (Panasonic)
2nd Author's Name Yoshio Koyanagi  
2nd Author's Affiliation Panasonic Corporation (Panasonic)
3rd Author's Name Masaharu Takahashi  
3rd Author's Affiliation Chiba University (Chiba Univ.)
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Speaker Author-1 
Date Time 2017-02-16 10:55:00 
Presentation Time 25 minutes 
Registration for AP 
Paper # AP2016-157 
Volume (vol) vol.116 
Number (no) no.454 
Page pp.5-10 
#Pages 6 
Date of Issue 2017-02-09 (AP) 

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