Design of In-Vehicle Life Detection System Based on FMCW Millimeter-Wave Radar


Weiquan Li, Li Li, Songlin Wei, Ying Wang, Journal of Information Processing Systems Vol. 21, No. 5, pp. 471-483, Oct. 2025  

https://doi.org/10.3745/JIPS.04.0359
Keywords: ECU (Engine Control Unit), FMCW (Frequency Modulated Continuous Wave), Millimeter-Wave Radar
Fulltext:

Abstract

Remote non-contact monitoring of human vital signs has recently received lots of attention due to safety requirements. Among a variety of sensors available, millimeter-wave radars show great advancement and advantages. With the miniaturization of radar systems, frequency modulated continuous wave (FMCW) millimeter-wave radar has been employed to address the issue of in-vehicle life detection. In the designed in-vehicle life detection system, Yosemite 4T8R 77/79 GHz radar chip communicates with the engine control unit (ECU). The system can detect the availability of child in car, alarm and perform self-check. It is shown that the designed system has high accuracy and anti-interference ability. It has convenient interface with smart cockpit system and is suitable for a wide range of vehicles.


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Cite this article
[APA Style]
Li, W., Li, L., Wei, S., & Wang, Y. (2025). Design of In-Vehicle Life Detection System Based on FMCW Millimeter-Wave Radar. Journal of Information Processing Systems, 21(5), 471-483. DOI: 10.3745/JIPS.04.0359.

[IEEE Style]
W. Li, L. Li, S. Wei, Y. Wang, "Design of In-Vehicle Life Detection System Based on FMCW Millimeter-Wave Radar," Journal of Information Processing Systems, vol. 21, no. 5, pp. 471-483, 2025. DOI: 10.3745/JIPS.04.0359.

[ACM Style]
Weiquan Li, Li Li, Songlin Wei, and Ying Wang. 2025. Design of In-Vehicle Life Detection System Based on FMCW Millimeter-Wave Radar. Journal of Information Processing Systems, 21, 5, (2025), 471-483. DOI: 10.3745/JIPS.04.0359.