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Paper Abstract and Keywords
Presentation 2018-08-23 14:10
Study on Decoupling for three closely placed monopole antenna elements
Hiroshi Sato, Kenshi Horihata (Panasonic), Nobuyuki Shiraki, Naoki Honma (Iwate University), Masaharu Takahashi (Chiba University), Yoshio Koyanagi (Panasonic) AP2018-73
Abstract (in Japanese) (See Japanese page) 
(in English) In recent years, in wireless information terminals, MIMO technology using multiple antennas is used to stably communicate large capacity data. In addition to communication performance, since terminals are also required to be miniaturized, downsizing of the antenna volume is also required due to close placement of antennas. However, some problems arise such as strong electromagnetic coupling occurs between the antennas, the antenna efficiency is reduced, and a desired communication distance and capacity cannot be obtained. As a countermeasure against these problems, in this report, we propose a method to reduce couplings between all antennas, for three monopole antenna elements arranged linearly on a plane assuming 3 × 3 MIMO, that does not require a connection between the antennas at both ends and does not need a 3D structure to jump over the central antenna.
Keyword (in Japanese) (See Japanese page) 
(in English) Mobile terminal / Antenna / MIMO / Coupling / Radiation efficiency / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 191, AP2018-73, pp. 35-40, Aug. 2018.
Paper # AP2018-73 
Date of Issue 2018-08-16 (AP) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
Copyright
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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)
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Conference Information
Committee AP  
Conference Date 2018-08-23 - 2018-08-24 
Place (in Japanese) (See Japanese page) 
Place (in English) Nippon Inst. of Tech. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2018-08-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Study on Decoupling for three closely placed monopole antenna elements 
Sub Title (in English)  
Keyword(1) Mobile terminal  
Keyword(2) Antenna  
Keyword(3) MIMO  
Keyword(4) Coupling  
Keyword(5) Radiation efficiency  
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1st Author's Name Hiroshi Sato  
1st Author's Affiliation Panasonic (Panasonic)
2nd Author's Name Kenshi Horihata  
2nd Author's Affiliation Panasonic (Panasonic)
3rd Author's Name Nobuyuki Shiraki  
3rd Author's Affiliation Iwate University (Iwate University)
4th Author's Name Naoki Honma  
4th Author's Affiliation Iwate University (Iwate University)
5th Author's Name Masaharu Takahashi  
5th Author's Affiliation Chiba University (Chiba University)
6th Author's Name Yoshio Koyanagi  
6th Author's Affiliation Panasonic (Panasonic)
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Speaker
Date Time 2018-08-23 14:10:00 
Presentation Time 25 
Registration for AP 
Paper # IEICE-AP2018-73 
Volume (vol) IEICE-118 
Number (no) no.191 
Page pp.35-40 
#Pages IEICE-6 
Date of Issue IEICE-AP-2018-08-16 


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