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Paper Abstract and Keywords
Presentation 2026-06-04 15:55
[Invited Lecture] Simulation of Vital Sign Estimation for Child Presence Detection Using Millimeter-Wave Radar
Taiki Nakayama, Yasuhiro Tada, Kenshi Horihata (Kozo Keikaku Engineering), Swagato Mukherjee, Greg J. Skidmore, Tarun Chawla (Remcom) SRW2026-7 MWPTHz2026-7
Abstract (in Japanese) (See Japanese page) 
(in English) In recent years, the importance of Child Presence Detection (CPD) technology in preventing infants from being left behind in vehicles has increased. The European New Car Assessment Programme (Euro NCAP), has introduced CPD as an evaluation item. Millimeter-wave radar-based sensing shows promise for non-contact detection and ensuring anonymity. However, evaluating these systems with human subjects can be challenging due to the difficulty of ensuring reproducible data. In this study, we analyzed millimeter-wave vital sensing using a breathing human body model through a combined approach of ray-tracing and Physical Optics (PO), and verified the simulation method for vital sign estimation. The result of the analysis showed that vital signs could be detected even in Non-Line-of-Sight (NLoS) environments, suggesting a certain level of effectiveness of the proposed method.
Keyword (in Japanese) (See Japanese page) 
(in English) Ray tracing method / Physical Optics(PO) / Child Presence Detection(CPD) / Millimeter-Wave / Vital Sign Sensing / / /  
Reference Info. IEICE Tech. Rep., vol. 126, no. 55, SRW2026-7, pp. 30-32, June 2026.
Paper # SRW2026-7 
Date of Issue 2026-05-28 (SRW, MWPTHz) 
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 SRW2026-7 MWPTHz2026-7

Conference Information
Committee SRW MWPTHz  
Conference Date 2026-06-04 - 2026-06-05 
Place (in Japanese) (See Japanese page) 
Place (in English) NICT Innovation center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) MWPTHz, WLAN, WPAN, Ad-hoc, mmWave, THz, etc. 
Paper Information
Registration To SRW 
Conference Code 2026-06-SRW-MWPTHz 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Simulation of Vital Sign Estimation for Child Presence Detection Using Millimeter-Wave Radar 
Sub Title (in English)  
Keyword(1) Ray tracing method  
Keyword(2) Physical Optics(PO)  
Keyword(3) Child Presence Detection(CPD)  
Keyword(4) Millimeter-Wave  
Keyword(5) Vital Sign Sensing  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Taiki Nakayama  
1st Author's Affiliation Kozo Keikaku Engineering Inc. (Kozo Keikaku Engineering)
2nd Author's Name Yasuhiro Tada  
2nd Author's Affiliation Kozo Keikaku Engineering Inc. (Kozo Keikaku Engineering)
3rd Author's Name Kenshi Horihata  
3rd Author's Affiliation Kozo Keikaku Engineering Inc. (Kozo Keikaku Engineering)
4th Author's Name Swagato Mukherjee  
4th Author's Affiliation Remcom Inc. (Remcom)
5th Author's Name Greg J. Skidmore  
5th Author's Affiliation Remcom Inc. (Remcom)
6th Author's Name Tarun Chawla  
6th Author's Affiliation Remcom Inc. (Remcom)
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Speaker Author-1 
Date Time 2026-06-04 15:55:00 
Presentation Time 25 minutes 
Registration for SRW 
Paper # SRW2026-7, MWPTHz2026-7 
Volume (vol) vol.126 
Number (no) no.55(SRW), no.56(MWPTHz) 
Page pp.30-32 
#Pages 3 
Date of Issue 2026-05-28 (SRW, MWPTHz) 

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