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Paper Abstract and Keywords
Presentation 2025-08-29 11:20
Experimental Evaluation of Heart Rate Distribution Using TF-RHYTHMM Method in Massive MIMO Radar
Sotaro Yoshioka, Naoki Honma, Kentaro Murata, Morio iwai, Koichiro Kobayashi (Iwate Univ.) AP2025-70
Abstract (in Japanese) (See Japanese page) 
(in English) In this report, we propose a method for generating heart-rate distribution images by applying a heart-rate estimation method --TF-RHYTHMM(TF Ridge-based Heart-rate estimation Yielded THrough Mode Matching)-- using time domain eigenmode analysis to MIMO (Multiple-Input Multiple-Output) channel data acquired by a massive MIMO radar. In the proposed method, first, time domain eigenmode analysis is applied to the acquired MIMO channel data to separate the heartbeat components in the time domain. Next, MIMO channel data corresponding to the heart-rate is calculated using the weights generated based on the separated heart-rate components. Finally, heart-rate distribution images are generated using the MIMO channel data corresponding to this heart-rate using the beamformer method. The comparison of the generated heart-rate distribution images with those obtained using conventional methods showed that the distribution across the entire body surface, likely caused by body movement and the distribution in anatomically unlikely regions was suppressed, while the distribution in the abdominal and wrist areas was emphasized.
Keyword (in Japanese) (See Japanese page) 
(in English) MIMO radar / heart-rate distribution / eigenvalue decomposition / TF-RHYTHMM method / / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 161, AP2025-70, pp. 55-60, Aug. 2025.
Paper # AP2025-70 
Date of Issue 2025-08-21 (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)
Notes on Review This article is a technical report without peer review, and its polished version will be published elsewhere.
Download PDF AP2025-70

Conference Information
Committee AP  
Conference Date 2025-08-28 - 2025-08-29 
Place (in Japanese) (See Japanese page) 
Place (in English) Yagiyama Campus, Tohoku Institute of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2025-08-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Experimental Evaluation of Heart Rate Distribution Using TF-RHYTHMM Method in Massive MIMO Radar 
Sub Title (in English)  
Keyword(1) MIMO radar  
Keyword(2) heart-rate distribution  
Keyword(3) eigenvalue decomposition  
Keyword(4) TF-RHYTHMM method  
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1st Author's Name Sotaro Yoshioka  
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 Kentaro Murata  
3rd Author's Affiliation Iwate University (Iwate Univ.)
4th Author's Name Morio iwai  
4th Author's Affiliation Iwate University (Iwate Univ.)
5th Author's Name Koichiro Kobayashi  
5th Author's Affiliation Iwate University (Iwate Univ.)
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Speaker Author-1 
Date Time 2025-08-29 11:20:00 
Presentation Time 25 minutes 
Registration for AP 
Paper # AP2025-70 
Volume (vol) vol.125 
Number (no) no.161 
Page pp.55-60 
#Pages 6 
Date of Issue 2025-08-21 (AP) 

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