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| 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 |
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| 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 |
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| 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 |
| Keyword(5) | |
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| Keyword(8) | |
| 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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