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Noncontact Monitoring of Heartbeat and Movements during Sleep Using a Pair of Millimeter-Wave Ultra-Wideband Radar Systems
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Summary :
We experimentally evaluate the performance of a noncontact system that measures the heartbeat of a sleeping person. The proposed system comprises a pair of radar systems installed at two different positions. We use millimeter-wave ultra-wideband multiple-input multiple-output array radar systems and evaluate the performance attained in measuring the heart inter-beat interval and body movement. The importance of using two radar systems instead of one is demonstrated in this paper. We conduct three types of experiments; the first and second experiments are radar measurements of three participants lying on a bed with and without body movement, while the third experiment is the radar measurement of a participant actually sleeping overnight. The experiments demonstrate that the performance of the radar-based vital measurement strongly depends on the orientation of the person under test. They also show that the proposed system detects 70% of rolling-over movements made overnight.
- Publication
- IEICE TRANSACTIONS on Communications Vol.E104-B No.4 pp.463-471
- Publication Date
- 2021/04/01
- Publicized
- 2020/10/06
- Online ISSN
- 1745-1345
- DOI
- 10.1587/transcom.2020EBP3078
- Type of Manuscript
- PAPER
- Category
- Sensing
Authors
Takuya SAKAMOTO
Kyoto University,Japan Science and Technology Agency
Sohei MITANI
Kyoto University
Toru SATO
Kyoto University
Keyword
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Takuya SAKAMOTO, Sohei MITANI, Toru SATO, "Noncontact Monitoring of Heartbeat and Movements during Sleep Using a Pair of Millimeter-Wave Ultra-Wideband Radar Systems" in IEICE TRANSACTIONS on Communications,
vol. E104-B, no. 4, pp. 463-471, April 2021, doi: 10.1587/transcom.2020EBP3078.
Abstract: We experimentally evaluate the performance of a noncontact system that measures the heartbeat of a sleeping person. The proposed system comprises a pair of radar systems installed at two different positions. We use millimeter-wave ultra-wideband multiple-input multiple-output array radar systems and evaluate the performance attained in measuring the heart inter-beat interval and body movement. The importance of using two radar systems instead of one is demonstrated in this paper. We conduct three types of experiments; the first and second experiments are radar measurements of three participants lying on a bed with and without body movement, while the third experiment is the radar measurement of a participant actually sleeping overnight. The experiments demonstrate that the performance of the radar-based vital measurement strongly depends on the orientation of the person under test. They also show that the proposed system detects 70% of rolling-over movements made overnight.
URL: https://global.ieice.org/en_transactions/communications/10.1587/transcom.2020EBP3078/_p
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@ARTICLE{e104-b_4_463,
author={Takuya SAKAMOTO, Sohei MITANI, Toru SATO, },
journal={IEICE TRANSACTIONS on Communications},
title={Noncontact Monitoring of Heartbeat and Movements during Sleep Using a Pair of Millimeter-Wave Ultra-Wideband Radar Systems},
year={2021},
volume={E104-B},
number={4},
pages={463-471},
abstract={We experimentally evaluate the performance of a noncontact system that measures the heartbeat of a sleeping person. The proposed system comprises a pair of radar systems installed at two different positions. We use millimeter-wave ultra-wideband multiple-input multiple-output array radar systems and evaluate the performance attained in measuring the heart inter-beat interval and body movement. The importance of using two radar systems instead of one is demonstrated in this paper. We conduct three types of experiments; the first and second experiments are radar measurements of three participants lying on a bed with and without body movement, while the third experiment is the radar measurement of a participant actually sleeping overnight. The experiments demonstrate that the performance of the radar-based vital measurement strongly depends on the orientation of the person under test. They also show that the proposed system detects 70% of rolling-over movements made overnight.},
keywords={},
doi={10.1587/transcom.2020EBP3078},
ISSN={1745-1345},
month={April},}
Copy
TY - JOUR
TI - Noncontact Monitoring of Heartbeat and Movements during Sleep Using a Pair of Millimeter-Wave Ultra-Wideband Radar Systems
T2 - IEICE TRANSACTIONS on Communications
SP - 463
EP - 471
AU - Takuya SAKAMOTO
AU - Sohei MITANI
AU - Toru SATO
PY - 2021
DO - 10.1587/transcom.2020EBP3078
JO - IEICE TRANSACTIONS on Communications
SN - 1745-1345
VL - E104-B
IS - 4
JA - IEICE TRANSACTIONS on Communications
Y1 - April 2021
AB - We experimentally evaluate the performance of a noncontact system that measures the heartbeat of a sleeping person. The proposed system comprises a pair of radar systems installed at two different positions. We use millimeter-wave ultra-wideband multiple-input multiple-output array radar systems and evaluate the performance attained in measuring the heart inter-beat interval and body movement. The importance of using two radar systems instead of one is demonstrated in this paper. We conduct three types of experiments; the first and second experiments are radar measurements of three participants lying on a bed with and without body movement, while the third experiment is the radar measurement of a participant actually sleeping overnight. The experiments demonstrate that the performance of the radar-based vital measurement strongly depends on the orientation of the person under test. They also show that the proposed system detects 70% of rolling-over movements made overnight.
ER -
English
