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Paper Abstract and Keywords
Presentation 2010-12-02 14:15
Design and Characteristic Analysis of Small RFID Tag for UHF Band Long Distance Communications
Hiroaki Ozaki, Masaaki Yamamoto, Takanori Yamazoe (Hitachi) SIS2010-42
Abstract (in Japanese) (See Japanese page) 
(in English) The communication distance of small RFID tags are degraded by their antenna property. This degradation is caused by decreasing of antenna gain and mismatching loss between matching circuit and antenna which
applied shrinking techniques. Simulation and theoretical analysis indicate that antenna shrinking method using 'Spiral Structures' reduce this mismatching loss, and small tags applied this structures exhibits the maximum communication of 4m at 920MHz. In additon, simulation analysis are provided for an antenna on various substrates.
Keyword (in Japanese) (See Japanese page) 
(in English) RFID / IC tag / UHF / Small / Long-distance communication / / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 322, SIS2010-42, pp. 41-46, Dec. 2010.
Paper # SIS2010-42 
Date of Issue 2010-11-25 (SIS) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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)
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Conference Information
Committee SIS  
Conference Date 2010-12-02 - 2010-12-03 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
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Paper Information
Registration To SIS 
Conference Code 2010-12-SIS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Design and Characteristic Analysis of Small RFID Tag for UHF Band Long Distance Communications 
Sub Title (in English)  
Keyword(1) RFID  
Keyword(2) IC tag  
Keyword(3) UHF  
Keyword(4) Small  
Keyword(5) Long-distance communication  
1st Author's Name Hiroaki Ozaki  
1st Author's Affiliation Hitachi, Ltd. (Hitachi)
2nd Author's Name Masaaki Yamamoto  
2nd Author's Affiliation Hitachi, Ltd. (Hitachi)
3rd Author's Name Takanori Yamazoe  
3rd Author's Affiliation Hitachi, Ltd. (Hitachi)
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Speaker Author-1 
Date Time 2010-12-02 14:15:00 
Presentation Time 20 minutes 
Registration for SIS 
Paper # SIS2010-42 
Volume (vol) vol.110 
Number (no) no.322 
Page pp.41-46 
Date of Issue 2010-11-25 (SIS) 

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