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Paper Abstract and Keywords
Presentation 2012-07-27 15:20
A study on the radiation efficiency of the loop antenna for the small terminals
Kohei Ogasawara, Jun Ohta, Yusuke Okoshi, Toshiyuki Maeyama (Takushoku Univ.) AP2012-62
Abstract (in Japanese) (See Japanese page) 
(in English) By the miniaturization of mobile terminals， ground plane required for the radiation of the antenna has been limited． In particular， thin smartphone is thinner antenna is required． For these problems， proposed a loop antenna for the small terminal， showed the effectiveness of implementation to the terminal． In addition，for degradation of radiation efficiency of according to the effect of casing and PCB near the antenna，confirmed the improvement of radiation efficiency by adjusting the antenna structure． However，if consider the effects of human body，possible degradation of radiation efficiency and impedance characteristics change．In this paper，by a generalization of the proposed antenna，shows the relationship between the impedance characteristic and the antenna structure． In addition，analyzes the effect on radiation efficiency and impedance characteristics by the human body，to consider how to improve．
Keyword (in Japanese) (See Japanese page) 
(in English) small terminal / loop antenna / radiation efficiency / / / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 149, AP2012-62, pp. 185-190, July 2012.
Paper # AP2012-62 
Date of Issue 2012-07-18 (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 AP2012-62

Conference Information
Committee AP SAT  
Conference Date 2012-07-25 - 2012-07-27 
Place (in Japanese) (See Japanese page) 
Place (in English) Hokkaido Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Satellite Communications, Antennas and Progation 
Paper Information
Registration To AP 
Conference Code 2012-07-AP-SAT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A study on the radiation efficiency of the loop antenna for the small terminals 
Sub Title (in English)  
Keyword(1) small terminal  
Keyword(2) loop antenna  
Keyword(3) radiation efficiency  
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1st Author's Name Kohei Ogasawara  
1st Author's Affiliation Takushoku University (Takushoku Univ.)
2nd Author's Name Jun Ohta  
2nd Author's Affiliation Takushoku University (Takushoku Univ.)
3rd Author's Name Yusuke Okoshi  
3rd Author's Affiliation Takushoku University (Takushoku Univ.)
4th Author's Name Toshiyuki Maeyama  
4th Author's Affiliation Takushoku University (Takushoku Univ.)
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Speaker Author-1 
Date Time 2012-07-27 15:20:00 
Presentation Time 20 minutes 
Registration for AP 
Paper # AP2012-62 
Volume (vol) vol.112 
Number (no) no.149 
Page pp.185-190 
#Pages 6 
Date of Issue 2012-07-18 (AP) 

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