Journal of Biomedical Engineering Research (대한의용생체공학회:의공학회지)

The Korean Society of Medical and Biological Engineering (대한의용생체공학회)
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A Study on Measurement of Heartrate and Respiration during Sleep using Doppler Radar: Preliminary Study

도플러 레이더를 이용한 수면 중의 심박 및 호흡 측정: 예비연구

  • Lim, Yong Gyu (Dept. of Oriental Biomedical Engineering, Sangji University)
  • 임용규 (상지대학교 한방의료공학과)
  • Received : 2017.10.02
  • Accepted : 2017.10.24
  • Published : 2017.10.31
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Abstract

A Doppler radar sensor was applied to detect respirations and heartbeats of persons who were lying on a bed. This study is preliminary study aiming at non-contact and non-intrusive respiration and heart rate monitoring during sleep in daily life. For the experiments, 10GHz Doppler radar with patch-type antenna was used and installed on the upper right and the distance between the body and the antenna was 1 m. The results show that each signal of respiration and heartbeat is observed in each frequency band however the frequency band and the waveform vary according to the subjects and the posture. The results show that the heartbeats can be detected with the peak detection in some frequency band. This study shows the feasibility of applying the Doppler radar to detection of heartbeat and respiration during sleep and further studies about heartbeat detection algorithm are required.

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References

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