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