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Paper Abstract and Keywords
Presentation 2009-03-09 13:55
Planar ring patch antenna with vertical ring for circularly polarization
Hang Wong, Kwok Kan So, Kwai Man Luk (City Univ. of Hong Kong) AP2008-216
Abstract (in Japanese) (See Japanese page) 
(in English) This paper presents a new small circularly-polarized (CP) antenna element composed by a microstrip ring patch (MRP) and a vertical ring patch (VPA). With the combination of these two types of patch antennas, the proposed antenna finds a significant enhancement in the axial ratio bandwidth as well as the impedance bandwidth with employing a single coaxial excitation only. The antenna yields an impedance bandwidth of 4.5 %, an axial ratio bandwidth of 1.1% and the maximum gain of 4dBi with a stable broadside radiation pattern across the operating bandwidth.
Keyword (in Japanese) (See Japanese page) 
(in English) annular ring patch / vertical ring patch / circularly polarization / / / / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 475, AP2008-216, pp. 29-32, March 2009.
Paper # AP2008-216 
Date of Issue 2009-03-02 (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 AP2008-216

Conference Information
Committee AP  
Conference Date 2009-03-09 - 2009-03-10 
Place (in Japanese) (See Japanese page) 
Place (in English) University of Macau 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2009-03-AP 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Planar ring patch antenna with vertical ring for circularly polarization 
Sub Title (in English)  
Keyword(1) annular ring patch  
Keyword(2) vertical ring patch  
Keyword(3) circularly polarization  
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1st Author's Name Hang Wong  
1st Author's Affiliation City University of Hong Kong (City Univ. of Hong Kong)
2nd Author's Name Kwok Kan So  
2nd Author's Affiliation City University of Hong Kong (City Univ. of Hong Kong)
3rd Author's Name Kwai Man Luk  
3rd Author's Affiliation City University of Hong Kong (City Univ. of Hong Kong)
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Speaker Author-1 
Date Time 2009-03-09 13:55:00 
Presentation Time 25 minutes 
Registration for AP 
Paper # AP2008-216 
Volume (vol) vol.108 
Number (no) no.475 
Page pp.29-32 
#Pages 4 
Date of Issue 2009-03-02 (AP) 

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