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Paper Abstract and Keywords
Presentation 2010-01-21 12:30
A Study on Broadband Circularly Polarized Patch Antenna Using Rectangular-Patch AG Structure
Teruhisa Nakamura, Takeshi Fukusako (Kumamoto Univ.) AP2009-160
Abstract (in Japanese) (See Japanese page) 
(in English) This paper reports investigations associated with a broadband circularly polarized patch antenna using an artificial ground (AG) structure as reflector. Removing vias from the popular mushroom-like EBG (Electromagnetic Band-gap) structure results in the AG with in-phase reflection characteristics in a specific band. The truncated patch antenna placed on the AG structure attains broadband characteristics in measured input impedance and axial ratio of 54.6 % and 26.6 %, respectively. The bandwidth enhancement is investigated by using the current and electromagnetic field distribution on the metal patches of the AG structure. Furthermore, the mutual coupling in an arrayed structure is investigated. The studies revealed that the mutual coupling between the antennas can be reduced if an EBG structure is inserted between them.
Keyword (in Japanese) (See Japanese page) 
(in English) Broadband Antenna / Circular Polarization / Patch Antenna / Artificial Magnetic Conductor (AMC) / Artificial Ground (AG) Stricture / EBG (Electromagnetic Band-Gap) structure / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 372, AP2009-160, pp. 27-32, Jan. 2010.
Paper # AP2009-160 
Date of Issue 2010-01-14 (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 AP2009-160

Conference Information
Committee AP  
Conference Date 2010-01-21 - 2010-01-22 
Place (in Japanese) (See Japanese page) 
Place (in English) Yamaguchi University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) AP 
Paper Information
Registration To AP 
Conference Code 2010-01-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Broadband Circularly Polarized Patch Antenna Using Rectangular-Patch AG Structure 
Sub Title (in English)  
Keyword(1) Broadband Antenna  
Keyword(2) Circular Polarization  
Keyword(3) Patch Antenna  
Keyword(4) Artificial Magnetic Conductor (AMC)  
Keyword(5) Artificial Ground (AG) Stricture  
Keyword(6) EBG (Electromagnetic Band-Gap) structure  
Keyword(7)  
Keyword(8)  
1st Author's Name Teruhisa Nakamura  
1st Author's Affiliation Kumamoto University (Kumamoto Univ.)
2nd Author's Name Takeshi Fukusako  
2nd Author's Affiliation Kumamoto University (Kumamoto Univ.)
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Speaker Author-1 
Date Time 2010-01-21 12:30:00 
Presentation Time 25 minutes 
Registration for AP 
Paper # AP2009-160 
Volume (vol) vol.109 
Number (no) no.372 
Page pp.27-32 
#Pages 6 
Date of Issue 2010-01-14 (AP) 

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