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| Presentation | 2023-01-20 11:15 [Short Paper] Study of WiFi Beamforming Feedback-Based Respiratory and Heart Rates Estimation Takamochi Kanda, Sota Kondo, Hiroki Shimomura, Takashi Sato, Hiromitsu Awano, Koji Yamamoto (Kyoto Univ.)  SeMI2022-99 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | This paper introduces respiration and heart rate estimation based on beamforming feedback (BFF). While BFF has attracted attention as an alternative feature to channel state information (CSI) in the field of WiFi sensing, its applicability to vital sign monitoring has not been addressed except for respiration rate estimation. To further investigate the applicability of BFF to vital sign monitoring, this study realizes BFF-based heart rate estimation. Using the compressed BFF matrix and subcarrier-averaged stream gain contained in BFF, a signal processing-based algorithm estimates the heart rate. Therein, respiration rate is simultaneously estimated. For the simultaneous estimation of respiration and heart rate, discrete wavelet transform is used to separate the respiration and heartbeat signals. The performance of BFF-based respiration and heart rate estimation is evaluated through indoor experiments using commodity WiFi devices. Also, the performance degradation of BFF-based estimation is evaluated compared with CSI-based estimation. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | wireless sensing / vital sign monitoring / channel state information / beamforming feedback / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 122, no. 341, SeMI2022-99, pp. 131-133, Jan. 2023. | |
| Paper # | SeMI2022-99 | |
| Date of Issue | 2023-01-12 (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 | SeMI2022-99 |
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| Conference Information | |
| Committee | SeMI SeMI |
| Conference Date | 2023-01-19 - 2023-01-20 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Naruto grand hotel |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | SeMI |
| Conference Code | 2023-01-SeMI-SeMI |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Study of WiFi Beamforming Feedback-Based Respiratory and Heart Rates Estimation |
| Sub Title (in English) | |
| Keyword(1) | wireless sensing |
| Keyword(2) | vital sign monitoring |
| Keyword(3) | channel state information |
| Keyword(4) | beamforming feedback |
| Keyword(5) | |
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| 1st Author's Name | Takamochi Kanda |
| 1st Author's Affiliation | Kyoto University (Kyoto Univ.) |
| 2nd Author's Name | Sota Kondo |
| 2nd Author's Affiliation | Kyoto University (Kyoto Univ.) |
| 3rd Author's Name | Hiroki Shimomura |
| 3rd Author's Affiliation | Kyoto University (Kyoto Univ.) |
| 4th Author's Name | Takashi Sato |
| 4th Author's Affiliation | Kyoto University (Kyoto Univ.) |
| 5th Author's Name | Hiromitsu Awano |
| 5th Author's Affiliation | Kyoto University (Kyoto Univ.) |
| 6th Author's Name | Koji Yamamoto |
| 6th Author's Affiliation | Kyoto University (Kyoto Univ.) |
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| Speaker | Author-1 |
| Date Time | 2023-01-20 11:15:00 |
| Presentation Time | 10 minutes |
| Registration for | SeMI |
| Paper # | SeMI2022-99 |
| Volume (vol) | vol.122 |
| Number (no) | no.341 |
| Page | pp.131-133 |
| #Pages | 3 |
| Date of Issue | 2023-01-12 (SeMI) |
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