Why the study?
During motion, the target's range-bin changes and radar signal energy can be weaker than clutter at farther distances, challenging heart-rate detection.
A novel adaptive range-bin selection method enables high-precision remote heart-rate measurement of moving individuals using mm-wave FMCW radar.
Supports radar-based heart-rate tracking during motion; leaves open clinical validation before cardiovascular use.
This study provides a solution for mm-wave FMCW radar-based heart-rate detection of an indoor moving person. The range-bin where the person is located will change during the moving state, and the signal energy is weaker than clutter at farther distances. Therefore, we propose an adaptive range-bin selection method that effectively selects the optimal range-bin cell to obtain the correct radar vital sign before heartbeat signal reconstruction. The experimental results show that the proposed method can reconstruct the heartbeat signal with high precision when used in conjunction with the ICEEMDAN method.
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Hu et al. (2021) studied this question.
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