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Paper Abstract and Keywords
Presentation 2021-10-07 14:25
[Poster Presentation] Examination of Detection Indicators for Distance Estimation of a Sensing Technique Based on Variation of Antenna Reflection Characteristics
Kazuki Shintani (Doshisha Univ.), Satoru Shimizu (Doshisha Univ./ATR), Hisato Iwai, Shinsuke Ibi (Doshisha Univ.), Takuya Kurihara, Yoshinori Suzuki (ATR) AP2021-85
Abstract (in Japanese) (See Japanese page) 
(in English) When an object such as a human body exists near an antenna, various changes occur in the antenna characteristics. Utilizing the characteristics, sensing of objects could be realized and several studies on the technique have been reported. In this paper, we analyzed the antenna characteristics when a human body is near an antenna by the FDTD method, aiming at development of a proximity sensor that detects the existence of a human body and/or the distance to the position of the human body. For the purpose of detecting the distance between the human body and the antenna, we examined the return loss difference, the distance of the reflectance coefficient, and the Poincare distance as a detection index. As a result of the analysis, the Poincare distance changes monotonically depending on the distance, and it has a broadband characteristic with the frequency. Therefore, we concluded it is suitable as an index to detect the distance from the antenna to the human body.
Keyword (in Japanese) (See Japanese page) 
(in English) Proximity sensor / Human body sensing / FDTD / Poincare distance / / / /  
Reference Info. IEICE Tech. Rep., vol. 121, no. 191, AP2021-85, pp. 68-69, Oct. 2021.
Paper # AP2021-85 
Date of Issue 2021-09-30 (AP) 
ISSN 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 AP2021-85

Conference Information
Committee AP  
Conference Date 2021-10-07 - 2021-10-08 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Student Session, Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2021-10-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Examination of Detection Indicators for Distance Estimation of a Sensing Technique Based on Variation of Antenna Reflection Characteristics 
Sub Title (in English)  
Keyword(1) Proximity sensor  
Keyword(2) Human body sensing  
Keyword(3) FDTD  
Keyword(4) Poincare distance  
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1st Author's Name Kazuki Shintani  
1st Author's Affiliation Doshisha University (Doshisha Univ.)
2nd Author's Name Satoru Shimizu  
2nd Author's Affiliation Doshisha University/Advanced Telecommunications Research Institute International (Doshisha Univ./ATR)
3rd Author's Name Hisato Iwai  
3rd Author's Affiliation Doshisha University (Doshisha Univ.)
4th Author's Name Shinsuke Ibi  
4th Author's Affiliation Doshisha University (Doshisha Univ.)
5th Author's Name Takuya Kurihara  
5th Author's Affiliation Advanced Telecommunications Research Institute International (ATR)
6th Author's Name Yoshinori Suzuki  
6th Author's Affiliation Advanced Telecommunications Research Institute International (ATR)
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Speaker Author-1 
Date Time 2021-10-07 14:25:00 
Presentation Time 75 minutes 
Registration for AP 
Paper # AP2021-85 
Volume (vol) vol.121 
Number (no) no.191 
Page pp.68-69 
#Pages 2 
Date of Issue 2021-09-30 (AP) 

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