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Paper Abstract and Keywords
Presentation 2025-09-18 13:10
[Poster Presentation] Interpretation of Electronic Phantom-Based Channel Reconstruction Performance via Human-Sensing Radar Metrics
Haruki Shibasaki, Yuto Ozawa, Kentaro Murata, Naoki Honma (Iwate Univ.) AP2025-119 MW2025-101
Abstract (in Japanese) (See Japanese page) 
(in English) Human-sensing radar performance is typically evaluated via over-the-air (OTA) testing by irradiating radio waves onto actual humans and analyzing their responses. However, such testing requires significant human resources and suffers from the non-reproducibility of biological activities, making fair benchmarking difficult. To address these challenges, we have proposed a reconfigurable electronic phantom (RePH) as a substitute for human subjects in radar testing systems. We demonstrated that RePH can accurately reconstruct time-varying radar channels of target objects under specified radar parameters. Furthermore, by reconstructing radar channels over a wide area encompassing the radar's expected operational region, we confirmed that the spatiotemporal scattering characteristics of the target can be faithfully reproduced. In this paper, we evaluate the fidelity of the reconstructed scattering characteristics using two key performance metrics for human-sensing radar: (i) direction-of-arrival estimation accuracy and (ii) the phase response of micro-Doppler signals. Numerical analysis reveals that radar performance using the reconstructed channels is equivalent to that using actual target channels. These findings suggest that RePH can serve as a viable alternative to human subjects, enabling equivalent testing without the need for live participants.
Keyword (in Japanese) (See Japanese page) 
(in English) Reconfigurable electronic phantom / OTA testing / channel reconstruction / / / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 180, AP2025-119, pp. 176-176, Sept. 2025.
Paper # AP2025-119 
Date of Issue 2025-09-10 (AP), 2025-09-11 (MW) 
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 AP2025-119 MW2025-101

Conference Information
Committee MW AP  
Conference Date 2025-09-16 - 2025-09-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Koganei Campus, Tokyo University of Agriculture and Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Student Session, Microwave, Millimeter wave, Radio propagation, Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2025-09-MW-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Interpretation of Electronic Phantom-Based Channel Reconstruction Performance via Human-Sensing Radar Metrics 
Sub Title (in English)  
Keyword(1) Reconfigurable electronic phantom  
Keyword(2) OTA testing  
Keyword(3) channel reconstruction  
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1st Author's Name Haruki Shibasaki  
1st Author's Affiliation Iwate University (Iwate Univ.)
2nd Author's Name Yuto Ozawa  
2nd Author's Affiliation Iwate University (Iwate Univ.)
3rd Author's Name Kentaro Murata  
3rd Author's Affiliation Iwate University (Iwate Univ.)
4th Author's Name Naoki Honma  
4th Author's Affiliation Iwate University (Iwate Univ.)
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Speaker Author-1 
Date Time 2025-09-18 13:10:00 
Presentation Time 120 minutes 
Registration for AP 
Paper # AP2025-119, MW2025-101 
Volume (vol) vol.125 
Number (no) no.180(AP), no.181(MW) 
Page p.176(AP), p.111(MW) 
#Pages 1 
Date of Issue 2025-09-10 (AP), 2025-09-11 (MW) 

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