Detecting Sleep-Related Breathing Disorders Using FMCW Radar

IF 1.6 3区 工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC
Chaewon Jung, Youngkeun Yoo, Hyun-Woo Kim, Hyun-Chool Shin
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引用次数: 0

Abstract

Polysomnography (PSG) is currently the sole method for detecting breathing disorders that occur during sleep, such as apnea and hypopnea. However, PSG monitoring is quite inconvenient for test subjects. This study proposes a non-contact method for detecting sleep-related breathing disorders that uses frequency-modulated continuous wave (FMCW) radar. The proposed method effectively extracts respiratory signals from radar signals and uses the degree of reduction in the amplitude of the respiratory signals and the duration of the reduction interval as data to detect breathing disorder intervals. The experimental results show that the respiratory signals extracted using the proposed method are similar to the actual respiratory signals. Furthermore, the breathing disorder intervals detected during sleep using FMCW radar are consistent with the actual apnea and hypopnea intervals as confirmed by the PSG results. These results demonstrate that the proposed method is suitable for non-contact detection of breathing disorders during sleep using FMCW radar.
利用FMCW雷达检测睡眠相关呼吸障碍
多导睡眠图(PSG)是目前检测睡眠中发生的呼吸障碍(如呼吸暂停和呼吸不足)的唯一方法。然而,PSG监测对受试者来说是非常不方便的。本研究提出了一种使用调频连续波(FMCW)雷达检测睡眠相关呼吸障碍的非接触方法。该方法有效地从雷达信号中提取呼吸信号,并以呼吸信号幅度的减少程度和减少间隔的持续时间作为数据来检测呼吸障碍间隔。实验结果表明,该方法提取的呼吸信号与实际呼吸信号较为接近。此外,FMCW雷达在睡眠中检测到的呼吸障碍间隔与PSG结果证实的实际呼吸暂停和低呼吸间隔一致。结果表明,该方法适用于FMCW雷达非接触式睡眠呼吸障碍检测。
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来源期刊
Journal of electromagnetic engineering and science
Journal of electromagnetic engineering and science ENGINEERING, ELECTRICAL & ELECTRONIC-
CiteScore
2.90
自引率
17.40%
发文量
82
审稿时长
10 weeks
期刊介绍: The Journal of Electromagnetic Engineering and Science (JEES) is an official English-language journal of the Korean Institute of Electromagnetic and Science (KIEES). This journal was launched in 2001 and has been published quarterly since 2003. It is currently registered with the National Research Foundation of Korea and also indexed in Scopus, CrossRef and EBSCO, DOI/Crossref, Google Scholar and Web of Science Core Collection as Emerging Sources Citation Index(ESCI) Journal. The objective of JEES is to publish academic as well as industrial research results and discoveries in electromagnetic engineering and science. The particular scope of the journal includes electromagnetic field theory and its applications: High frequency components, circuits, and systems, Antennas, smart phones, and radars, Electromagnetic wave environments, Relevant industrial developments.
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