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A Study on the Effect of Measurement Distance on the Accuracy of Millimeter-Wave Radar Sensing for Heartbeat Measurement

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Intelligent Autonomous Systems 18 (IAS 2023)

Part of the book series: Lecture Notes in Networks and Systems ((LNNS,volume 795))

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Abstract

Millimeter-wave radar (mm-wave radar) sensing has great potential for non-contact heartbeat measurement in home monitoring. However, most of the current radar-based measurement is inaccurate. There have been studies reporting signal analysis and processing methods for improving the measuring accuracy. However, the signal-to-noise ratio (SNR) of measured signals needs further improvement. This study aims to explore the possibility of measurement distance between a mm-wave radar and the person to be measured as a key factor to improve the SNR, and thus the measurement accuracy. Two novel evaluation indexes for the quality of radar signals, reflection intensity and the SNR, were proposed, and verified with experiments. The results demonstrated a correlation between these indexes and measurement accuracy, offering insight into determining an appropriate measurement distance for improving accuracy of heartbeat measurement in home monitoring applications.

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Author information

Authors and Affiliations

  1. Department of Medical System Engineering, Chiba University, Chiba, Japan

    Haihang Yuan, Yuxi Lu, Tianyi Yang & Wenwei Yu

  2. Center for Frontier Medical Engineering, Chiba University, Chiba, Japan

    Wenwei Yu

Authors
  1. Haihang Yuan
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  2. Yuxi Lu
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  3. Tianyi Yang
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  4. Wenwei Yu
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Corresponding author

Correspondence to Wenwei Yu .

Editor information

Editors and Affiliations

  1. Department of Mechanical Engineering, Kyung Hee University, Yongin-si, Korea (Republic of)

    Soon-Geul Lee

  2. Department of Interdisciplinary Engineering, Daegu Gyeongbuk Institute of Science and DGIST R4-708, Daegu, Korea (Republic of)

    Jinung An

  3. School of Information Science, Human Information Science Research Area, Japan Advanced Institute of Science and Technology, Ishikawa, Japan

    Nak Young Chong

  4. DHBW Karlsruhe, Cooperative State University Baden-Wuerttemberg Karlsruhe, Karlsruhe, Germany

    Marcus Strand

  5. Department of Mechanical and Aerospace Engineering, New York University, New York, NY, USA

    Joo H. Kim

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© 2024 The Author(s), under exclusive license to Springer Nature Switzerland AG

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Yuan, H., Lu, Y., Yang, T., Yu, W. (2024). A Study on the Effect of Measurement Distance on the Accuracy of Millimeter-Wave Radar Sensing for Heartbeat Measurement. In: Lee, SG., An, J., Chong, N.Y., Strand, M., Kim, J.H. (eds) Intelligent Autonomous Systems 18. IAS 2023. Lecture Notes in Networks and Systems, vol 795. Springer, Cham. https://doi.org/10.1007/978-3-031-44851-5_43

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