Vital signs are crucial indicators for human health, and researchers are studying contact-free
alternatives to existing wearable vital signs sensors. Unfortunately, most of these designs …

In recent years, non-contact radar detection technology has been able to achieve long-term
and long-range detection for the breathing and heartbeat signals. Compared with contact …

Using a Doppler radar for noncontact detection is a promising way to monitor vital signs of a
subject more conveniently than other common contact medical devices, but has many …

Crucial for healthcare and biomedical applications, respiration monitoring often employs
wearable sensors in practice, causing inconvenience due to their direct contact with human …

Contactless cardiac monitoring has vast potential to replace contact-based monitoring in
various future scenarios, such as smart home and in-cabin monitoring. Various contactless …

This paper presents a novel algorithm for the estimation of heart rate variability (HRV)
features using 24-GHz continuous-wave Doppler radar with quadrature architecture. The …

Heart rate variability (HRV), which measures the fluctuation of heartbeat intervals, has been
considered as an important indicator for general health evaluation. To alleviate the user …

The continuous development of 802.11 ad technology provides new opportunities in
wireless sensing. In this work, we propose ViMo, a calibration-free remote vital sign …

Detection of an actionless human hidden in the non-line-of-sight (NLOS) region can be
implemented by combining NLOS object detection and vital sign detection. Since the radar …

A non-contact, non-invasive monitoring system to measure and estimate the heart and
breathing rate of humans using a frequency-modulated continuous wave (FMCW) mm-wave …