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Paper Abstract and Keywords
Presentation 2008-07-23 14:50
Proposal and Basic Studey of an Electromagnetically Fed Planar-Type Yagi-Uda Sector Antenna
Kyoichi Iigusa, Hiroshi Harada, Shuzo Kato (NICT) AP2008-46
Abstract (in Japanese) (See Japanese page) 
(in English) We propose planar-type antenna that is made of stacked Yagi-Uda antennas in different directions. Each dipole is loaded with a switch that switches short-circuit and an inductor loading, whose inductance is set to the value with which the dipole becomes electrically invisible. The dipoles of feeding power Yagi-Uda antenna are switched to the short circuit to make a beam, and the other dipoles are switched to the inductor loadings to diminish their electric influence. Each feed element of Yagi-Uda antennas is electromagnetically fed by a common feeding probe. Moreover, the feeding power dipole is switched by transforming feed dipoles electrically invisible except one. The calculation using the moment method shows that the angle of 90° can be covered with the working gain of about 11 dBi or more by four sector beams.
Keyword (in Japanese) (See Japanese page) 
(in English) Yagi-Uda antenna / Dipole / Sector / Invisible / Inductance / / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 148, AP2008-46, pp. 57-62, July 2008.
Paper # AP2008-46 
Date of Issue 2008-07-16 (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 AP2008-46

Conference Information
Committee AP SAT  
Conference Date 2008-07-23 - 2008-07-25 
Place (in Japanese) (See Japanese page) 
Place (in English) Hokkaido University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Satellite Communications, Antennas and Progation, etc. 
Paper Information
Registration To AP 
Conference Code 2008-07-AP-SAT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Proposal and Basic Studey of an Electromagnetically Fed Planar-Type Yagi-Uda Sector Antenna 
Sub Title (in English)  
Keyword(1) Yagi-Uda antenna  
Keyword(2) Dipole  
Keyword(3) Sector  
Keyword(4) Invisible  
Keyword(5) Inductance  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Kyoichi Iigusa  
1st Author's Affiliation National Institute of Information and Communications Technology (NICT)
2nd Author's Name Hiroshi Harada  
2nd Author's Affiliation National Institute of Information and Communications Technology (NICT)
3rd Author's Name Shuzo Kato  
3rd Author's Affiliation National Institute of Information and Communications Technology (NICT)
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Speaker Author-1 
Date Time 2008-07-23 14:50:00 
Presentation Time 25 minutes 
Registration for AP 
Paper # AP2008-46 
Volume (vol) vol.108 
Number (no) no.148 
Page pp.57-62 
#Pages 6 
Date of Issue 2008-07-16 (AP) 

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