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Paper Abstract and Keywords
Presentation 2007-03-08 10:00
Evaluation on performances of wristband type RFID antenna using a biological tissue-equivalent solid phantom
Daisuke Ochi, Masaharu Takahashi, Kazuyuki Saito, Koichi Ito (Chiba Univ.), Aya Ohmae, Kouichi Uesaka (Hitachi) AP2006-142
Abstract (in Japanese) (See Japanese page) 
(in English) In recent years, RFID (radio frequency identification) systems are widely developed. There are many applications of the RFID system. The wristband type RFID tag is one of the applications. In case an RFID tag is used close to a human, the human body affects the characteristics of the RFID antenna. An antenna placed close to the human body has been calculated by use of the FDTD (finite difference time domain) method in order to analyzing the operation of the wristband type RFID antenna. Moreover, the antenna radiation patterns and S-parameters are measured by use of a biological tissue-equivalent solid phantom. As a result, a main lobe of the antenna faced the opposite of the arm. However, the maximum gain of the antenna decreased compared with the gain in free space.
Keyword (in Japanese) (See Japanese page) 
(in English) RFID / biological tissue-equivalent solid phantom / wristband type antenna / FDTD / / / /  
Reference Info. IEICE Tech. Rep., vol. 106, no. 561, AP2006-142, pp. 1-4, March 2007.
Paper # AP2006-142 
Date of Issue 2007-03-01 (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 AP2006-142

Conference Information
Committee AP  
Conference Date 2007-03-08 - 2007-03-09 
Place (in Japanese) (See Japanese page) 
Place (in English) Taiwan (Yuan Ze Univ.) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2007-03-AP 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Evaluation on performances of wristband type RFID antenna using a biological tissue-equivalent solid phantom 
Sub Title (in English)  
Keyword(1) RFID  
Keyword(2) biological tissue-equivalent solid phantom  
Keyword(3) wristband type antenna  
Keyword(4) FDTD  
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1st Author's Name Daisuke Ochi  
1st Author's Affiliation Chiba University (Chiba Univ.)
2nd Author's Name Masaharu Takahashi  
2nd Author's Affiliation Chiba University (Chiba Univ.)
3rd Author's Name Kazuyuki Saito  
3rd Author's Affiliation Chiba University (Chiba Univ.)
4th Author's Name Koichi Ito  
4th Author's Affiliation Chiba University (Chiba Univ.)
5th Author's Name Aya Ohmae  
5th Author's Affiliation Hitachi, Ltd. (Hitachi)
6th Author's Name Kouichi Uesaka  
6th Author's Affiliation Hitachi, Ltd. (Hitachi)
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Speaker Author-1 
Date Time 2007-03-08 10:00:00 
Presentation Time 20 minutes 
Registration for AP 
Paper # AP2006-142 
Volume (vol) vol.106 
Number (no) no.561 
Page pp.1-4 
#Pages 4 
Date of Issue 2007-03-01 (AP) 

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