Radio Frequency Based Heart Rate Variability Monitoring

Heart Rate Variability (HRV), which measures the fluctuation of heartbeat intervals, has been considered as an important indicator for general health evaluation. In this paper, we present mmHRV, a contact-free HRV monitoring system using commercial millimeter-wave (mmWave) radio. We devise a heartbe...

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Main Authors: Wang, Fengyu, Zeng, Xiaolu, Wu, Chenshu, Wang, Beibei, Ray Liu, K. J.
Format: Conference Proceeding
Language:English
Subjects:
Atmospheric measurements
Channel estimation
Heart Rate Variability (HRV)
heartbeat estimation
Millimeter wave measurements
Millimeter wave radar
millimeter-wave radio
Particle measurements
Sensors
Signal processing
wireless sensing
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creator Wang, Fengyu
Zeng, Xiaolu
Wu, Chenshu
Wang, Beibei
Ray Liu, K. J.
description Heart Rate Variability (HRV), which measures the fluctuation of heartbeat intervals, has been considered as an important indicator for general health evaluation. In this paper, we present mmHRV, a contact-free HRV monitoring system using commercial millimeter-wave (mmWave) radio. We devise a heartbeat signal extractor, which can optimize the decomposition of the phase of the channel information modulated by the chest movement, and thus estimate the heartbeat signal. The exact time of heartbeats is estimated by finding the peak location of the heartbeat signal while the Inter-Beat Intervals (IBIs) can be further derived for evaluating the HRV metrics. Experimental results show that mmHRV can measure the HRV accurately with 3.68ms average error of mean IBI (w.r.t. 99.49% accuracy) based on the experiments over 10 participants.
doi_str_mv 10.1109/ICASSP39728.2021.9413465
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subjects Atmospheric measurements
Channel estimation
Heart Rate Variability (HRV)
heartbeat estimation
Millimeter wave measurements
Millimeter wave radar
millimeter-wave radio
Particle measurements
Sensors
Signal processing
wireless sensing
title Radio Frequency Based Heart Rate Variability Monitoring
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