A review on recent progress of portable short-range noncontact microwave radar systems

C Li, Z Peng, TY Huang, T Fan, FK Wang… - IEEE Transactions …, 2017 - ieeexplore.ieee.org
This paper reviews recent progress of portable short-range noncontact microwave radar
systems for motion detection, positioning, and imaging applications. With the continuous …

Short-range noncontact sensors for healthcare and other emerging applications: A review

C Gu - Sensors, 2016 - mdpi.com
Short-range noncontact sensors are capable of remotely detecting the precise movements of
the subjects or wirelessly estimating the distance from the sensor to the subject. They find …

Vital-sign monitoring and spatial tracking of multiple people using a contactless radar-based sensor

M Mercuri, IR Lorato, YH Liu, F Wieringa, CV Hoof… - Nature …, 2019 - nature.com
Various medical systems exist for monitoring people in daily life, but they typically require
the patient to wear a device, which can create discomfort and can limit long-term use …

Review of self-injection-locked radar systems for noncontact detection of vital signs

FK Wang, CTM Wu, TS Horng… - IEEE Journal of …, 2020 - ieeexplore.ieee.org
In recent decades, wireless healthcare detection has been demonstrated to be an efficient
method for monitoring the health condition of targets; it has involved the detection of motion …

Single self-injection-locked radar with two antennas for monitoring vital signs with large body movement cancellation

MC Tang, FK Wang, TS Horng - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
This paper presents a novel self-injection-locked radar with two antennas to transmit and
retransmit a continuous wave to opposite sides of a human body for monitoring vital signs in …

A wearable self-injection-locked sensor with active integrated antenna and differentiator-based envelope detector for vital-sign detection from chest wall and wrist

CH Tseng, LT Yu, JK Huang… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
This paper presents a new wearable self-injection-locked sensor with a self-oscillating
active integrated antenna (AIA) and a differentiator-based envelope detector for detecting …

A self-and mutually injection-locked radar system for monitoring vital signs in real time with random body movement cancellation

MC Tang, CY Kuo, DC Wun, FK Wang… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
This paper presents a system for monitoring vital signs that is based on a self-and mutually
injection-locked radar architecture. To detect vital signs with reduced body motion artifacts …

A multi-channel ultrasound system for non-contact heart rate monitoring

M Ambrosanio, S Franceschini, G Grassini… - IEEE Sensors …, 2019 - ieeexplore.ieee.org
The monitoring of vital signs represents an important measure in several fields which also
go beyond the clinical environment. Nowadays, different technologies are employed to fulfil …

Physiological driver monitoring using capacitively coupled and radar sensors

ID Castro, M Mercuri, A Patel, R Puers, C Van Hoof… - Applied Sciences, 2019 - mdpi.com
Featured Application Physiological parameters of drivers, including the electrocardiogram
(ECG), heart rate and heart rate variability, respiration activity and rate, can be measured in …

Wrist pulse rate monitor using self-injection-locked radar technology

FK Wang, MC Tang, SC Su, TS Horng - Biosensors, 2016 - mdpi.com
To achieve sensitivity, comfort, and durability in vital sign monitoring, this study explores the
use of radar technologies in wearable devices. The study first detected the respiratory rates …