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Paper Abstract and Keywords
Presentation 2024-10-17 10:00
[Poster Presentation] Human-body Ranging Method Using Doppler Components obtained from CSI Amplitude Information of SISO Wi-Fi
Kentaro Kikuta, Naoki Honma, Takumi Shimofusa (Iwate Univ.), Nobuyuki Shiraki, Takeshi Nakayama, Shoichi Iizuka (Panasonic), Kentaro Murata (Iwate Univ.) AP2024-64
Abstract (in Japanese) (See Japanese page) 
(in English) This paper proposes a human-body ranging method based on Time-Of-Flight(TOF) using Single-Input Single-Out put (SISO) Wi-Fi radar. Device-free human positioning technology using Wi-Fi is currently attracting attention, however, Wi-Fi installed in an IoT device tends to be equipped with a single-antenna, which cannot enjoy the spatial degrees of freedom. Therefore, we consider a TOF calculation method using the subcarrier-domain Channel State Information (CSI) provided by Wi-Fi’s Orthogonal Frequency Division Multiplexing (OFDM) signal. However, phase errors due to asynchrony between independent transmitter and receiver become a problem and is difficult to remove. The proposed method extracts the micro-Doppler components corresponding to the biological activities, only using the amplitude information of the CSI, and the phase information of the human-body reflection component in the CSI is recovered from the observed information only. The numerical analysis result shows that the ranging error at 75 percentile is 0.3 m in the proposed method, which shows the effectiveness of the proposed method.
Keyword (in Japanese) (See Japanese page) 
(in English) SISO / CSI / TOF / human-body ranging / / / /  
Reference Info. IEICE Tech. Rep., vol. 124, no. 206, AP2024-64, pp. 36-37, Oct. 2024.
Paper # AP2024-64 
Date of Issue 2024-10-09 (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 AP2024-64

Conference Information
Committee AP  
Conference Date 2024-10-16 - 2024-10-18 
Place (in Japanese) (See Japanese page) 
Place (in English) ACROS Fukuoka 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Student Session, Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2024-10-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Human-body Ranging Method Using Doppler Components obtained from CSI Amplitude Information of SISO Wi-Fi 
Sub Title (in English)  
Keyword(1) SISO  
Keyword(2) CSI  
Keyword(3) TOF  
Keyword(4) human-body ranging  
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1st Author's Name Kentaro Kikuta  
1st Author's Affiliation Iwate University (Iwate Univ.)
2nd Author's Name Naoki Honma  
2nd Author's Affiliation Iwate University (Iwate Univ.)
3rd Author's Name Takumi Shimofusa  
3rd Author's Affiliation Iwate University (Iwate Univ.)
4th Author's Name Nobuyuki Shiraki  
4th Author's Affiliation Panasonic Corporation (Panasonic)
5th Author's Name Takeshi Nakayama  
5th Author's Affiliation Panasonic Corporation (Panasonic)
6th Author's Name Shoichi Iizuka  
6th Author's Affiliation Panasonic Corporation (Panasonic)
7th Author's Name Kentaro Murata  
7th Author's Affiliation Iwate University (Iwate Univ.)
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Speaker Author-1 
Date Time 2024-10-17 10:00:00 
Presentation Time 110 minutes 
Registration for AP 
Paper # AP2024-64 
Volume (vol) vol.124 
Number (no) no.206 
Page pp.36-37 
#Pages 2 
Date of Issue 2024-10-09 (AP) 

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