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Paper Abstract and Keywords
Presentation 2023-07-13 16:00
An Initial Study on Object Detection under Car Body with Wi-Fi CSI
Riku Tokumine, Masakatsu Ogawa (Sophia Univ.), Atsuhiro Takahashi, Hideto Shimada, Kentaro Mizuno (Toyota CRDL) SeMI2023-34
Abstract (in Japanese) (See Japanese page) 
(in English) Detecting the passage of objects under the car is essential because the obstacles under the car interfere with the car's safe driving. Since Wi-Fi Channel State Information (CSI) represents the state of multipath propagation between transmitting and receiving antennas, objects are expected to be detected from variations in CSI. In this paper, three transmitting and three receiving antennas are installed under the car to measure CSI. For the initial study, objects passing under the car are a 2L plastic bottle and a tennis ball. The CSI variation values obtained from the correlation matrix of CSI amplitude components are used to determine the passage of objects under the car, and the difference in detection rates depending on the object type and the object's passage path is clarified.
Keyword (in Japanese) (See Japanese page) 
(in English) Channel State Information / Under Car Body / Moving Object Detection / / / / /  
Reference Info. IEICE Tech. Rep., vol. 123, no. 110, SeMI2023-34, pp. 58-62, July 2023.
Paper # SeMI2023-34 
Date of Issue 2023-07-05 (SeMI) 
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 SeMI2023-34

Conference Information
Committee SeMI RCS RCC NS SR  
Conference Date 2023-07-12 - 2023-07-14 
Place (in Japanese) (See Japanese page) 
Place (in English) Osaka University Nakanoshima Center + Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Distributed Wireless Network, M2M (Machine-to-Machine)，D2D (Device-to-Device)，IoT（Internet of Things）, etc 
Paper Information
Registration To SeMI 
Conference Code 2023-07-SeMI-RCS-RCC-NS-SR 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) An Initial Study on Object Detection under Car Body with Wi-Fi CSI 
Sub Title (in English)  
Keyword(1) Channel State Information  
Keyword(2) Under Car Body  
Keyword(3) Moving Object Detection  
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1st Author's Name Riku Tokumine  
1st Author's Affiliation Sophia Univercity (Sophia Univ.)
2nd Author's Name Masakatsu Ogawa  
2nd Author's Affiliation Sophia Univercity (Sophia Univ.)
3rd Author's Name Atsuhiro Takahashi  
3rd Author's Affiliation TOYOTA CENTRAL R&D LABS.,INC. (Toyota CRDL)
4th Author's Name Hideto Shimada  
4th Author's Affiliation TOYOTA CENTRAL R&D LABS.,INC. (Toyota CRDL)
5th Author's Name Kentaro Mizuno  
5th Author's Affiliation TOYOTA CENTRAL R&D LABS.,INC. (Toyota CRDL)
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Speaker Author-1 
Date Time 2023-07-13 16:00:00 
Presentation Time 25 minutes 
Registration for SeMI 
Paper # SeMI2023-34 
Volume (vol) vol.123 
Number (no) no.110 
Page pp.58-62 
#Pages 5 
Date of Issue 2023-07-05 (SeMI) 

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