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Paper Abstract and Keywords
Presentation 2010-09-09 14:20
Study on Low coupling of two closely spaced monopole antenna elements
Hiroshi Sato, Yoshio Koyanagi (Panasonic Mobile Communications) AP2010-69
Abstract (in Japanese) (See Japanese page) 
(in English) Recent mobile terminal, the introduction of Diversity and MIMO technology using multiple antennas are
examined. Because stable to communicate large data such as music and video are required to ensure better communication
quality and communication capacity. If placed close to the MIMO multiple antennas in one location, Terminals can be gotten
reducing antenna volume for improving design and reducing RF lines between antennas and radio for reducing propagation
loss. But throughput may be reduced by lower radiation efficiency and higher correlation coefficient for antenna’s coupling.
In this paper, close to the 2 element monopole antenna placed parallel is studied for how to eliminate coupling for close
placed MIMO antenna. When this decupling circuit is used in high coupling MIMO antennas, this circuit can be reduced
coupling at 2 frequencies. And MIMO antennas can be gotten higher radiation efficiency, lower correlation coefficient, lower
matching loss and its higher stability.
Keyword (in Japanese) (See Japanese page) 
(in English) Mobile terminal / Antenna / Directivity / MIMO / Coupling / Correlation / Radiation efficiency / TARC  
Reference Info. IEICE Tech. Rep., vol. 110, no. 196, AP2010-69, pp. 11-15, Sept. 2010.
Paper # AP2010-69 
Date of Issue 2010-09-02 (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 AP2010-69

Conference Information
Committee AP MW  
Conference Date 2010-09-09 - 2010-09-09 
Place (in Japanese) (See Japanese page) 
Place (in English) Tokyo Inst. tech. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) AP 
Paper Information
Registration To AP 
Conference Code 2010-09-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Study on Low coupling of two closely spaced monopole antenna elements 
Sub Title (in English)  
Keyword(1) Mobile terminal  
Keyword(2) Antenna  
Keyword(3) Directivity  
Keyword(4) MIMO  
Keyword(5) Coupling  
Keyword(6) Correlation  
Keyword(7) Radiation efficiency  
Keyword(8) TARC  
1st Author's Name Hiroshi Sato  
1st Author's Affiliation Panasonic Mobile Communications Co., Ltd. (Panasonic Mobile Communications)
2nd Author's Name Yoshio Koyanagi  
2nd Author's Affiliation Panasonic Mobile Communications Co., Ltd. (Panasonic Mobile Communications)
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Speaker Author-1 
Date Time 2010-09-09 14:20:00 
Presentation Time 25 minutes 
Registration for AP 
Paper # AP2010-69 
Volume (vol) vol.110 
Number (no) no.196 
Page pp.11-15 
#Pages 5 
Date of Issue 2010-09-02 (AP) 

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