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Paper Abstract and Keywords
Presentation 2009-07-08 10:30
Leaf-Shaped Bowtie Antenna with 5GHz Band Rejection for UWB Applications
Toshikazu Matsushima, Manabu Yamamoto, Toshio Nojima (Hokkaido Univ.) AP2009-44
Abstract (in Japanese) (See Japanese page) 
(in English) The authors have previously proposed a planar-type UWB antenna consisting of leaf-shaped bowtie radiating elements and a tapered microstrip line. Over the frequency band allocated for UWB radio systems, there are existing bands used by wireless local-area networks (WLAN) operating in 5GHz band. In order to avoid the interference between the UWB and WLAN systems, it is required to develop UWB antennas with a 5GHz band rejection. In this report, we present band-rejected structures for the leaf-shaped bowtie antenna. By connecting band-notched filter consisting of X-shaped strips in shunt with the feeding point of the leaf-shaped bowtie elements, the band-rejected characteristic is realized at 5GHz band while maintaining omni-directional radiation characteristics. In order to demonstrate effective performance of the proposed configuration, fundamental characteristics evaluated by FDTD analysis and measurements are presented.
Keyword (in Japanese) (See Japanese page) 
(in English) leaf-shaped bowtie antenna / UWB radio systems / band rejection / dielectric substrate with high permittivity / / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 117, AP2009-44, pp. 1-6, July 2009.
Paper # AP2009-44 
Date of Issue 2009-07-01 (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 AP2009-44

Conference Information
Committee AP SAT  
Conference Date 2009-07-08 - 2009-07-10 
Place (in Japanese) (See Japanese page) 
Place (in English) Otaru city, Hokkaido 
Topics (in Japanese) (See Japanese page) 
Topics (in English) AP 
Paper Information
Registration To AP 
Conference Code 2009-07-AP-SAT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Leaf-Shaped Bowtie Antenna with 5GHz Band Rejection for UWB Applications 
Sub Title (in English)  
Keyword(1) leaf-shaped bowtie antenna  
Keyword(2) UWB radio systems  
Keyword(3) band rejection  
Keyword(4) dielectric substrate with high permittivity  
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1st Author's Name Toshikazu Matsushima  
1st Author's Affiliation Hokkaido University (Hokkaido Univ.)
2nd Author's Name Manabu Yamamoto  
2nd Author's Affiliation Hokkaido University (Hokkaido Univ.)
3rd Author's Name Toshio Nojima  
3rd Author's Affiliation Hokkaido University (Hokkaido Univ.)
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Speaker Author-1 
Date Time 2009-07-08 10:30:00 
Presentation Time 25 minutes 
Registration for AP 
Paper # AP2009-44 
Volume (vol) vol.109 
Number (no) no.117 
Page pp.1-6 
#Pages 6 
Date of Issue 2009-07-01 (AP) 

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