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Paper Abstract and Keywords
Presentation 2007-01-25 13:50
Configuration of Inverted-F Antenna Array with Mutual Coupling and Its Equivalent Weight
Masataka Ohira, Amane Miura, Masazumi Ueba, Makoto Taromaru, Takashi Ohira (ATR) AP2006-116
Abstract (in Japanese) (See Japanese page) 
(in English) This paper proposes a new configuration of the inverted-F antenna (IFA) array for user terminals in ``system-to-system SDM (Space Division Multiplexing).'' The antenna array consists of two active IFA elements and two passive IFA elements loading variable reactors, thereby realizing a low-profile antenna array within a small space. It is expected that the antenna possesses a high ability to form a beam and/or null at any direction in the horizontal plane, since it behaves as both a Yagi-Uda antenna and a phased array antenna. Also, we introduce here an equivalent weight for the antenna, of which the vector is composed of not only port currents at the feed circuits and variable reactors but also those at short pins of IFA elements. Finally, the validity of the equivalent weight and the antenna configuration is verified by comparison of the calculated directivity between the equivalent weight and the method-of-moments analysis.
Keyword (in Japanese) (See Japanese page) 
(in English) inverted-F antenna / beam steering antenna / multi feed / parasitic elements / variable reactor / equivalent weight / /  
Reference Info. IEICE Tech. Rep., vol. 106, no. 491, AP2006-116, pp. 37-42, Jan. 2007.
Paper # AP2006-116 
Date of Issue 2007-01-18 (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 AP2006-116

Conference Information
Committee AP  
Conference Date 2007-01-25 - 2007-01-26 
Place (in Japanese) (See Japanese page) 
Place (in English) Fukui Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2007-01-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Configuration of Inverted-F Antenna Array with Mutual Coupling and Its Equivalent Weight 
Sub Title (in English)  
Keyword(1) inverted-F antenna  
Keyword(2) beam steering antenna  
Keyword(3) multi feed  
Keyword(4) parasitic elements  
Keyword(5) variable reactor  
Keyword(6) equivalent weight  
Keyword(7)  
Keyword(8)  
1st Author's Name Masataka Ohira  
1st Author's Affiliation Advanced Telecommunications Research Institute International (ATR)
2nd Author's Name Amane Miura  
2nd Author's Affiliation Advanced Telecommunications Research Institute International (ATR)
3rd Author's Name Masazumi Ueba  
3rd Author's Affiliation Advanced Telecommunications Research Institute International (ATR)
4th Author's Name Makoto Taromaru  
4th Author's Affiliation Advanced Telecommunications Research Institute International (ATR)
5th Author's Name Takashi Ohira  
5th Author's Affiliation Advanced Telecommunications Research Institute International (ATR)
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Speaker Author-1 
Date Time 2007-01-25 13:50:00 
Presentation Time 25 minutes 
Registration for AP 
Paper # AP2006-116 
Volume (vol) vol.106 
Number (no) no.491 
Page pp.37-42 
#Pages 6 
Date of Issue 2007-01-18 (AP) 

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