Comparison study of noncontact vital signs detection using a Doppler stepped-frequency continuous-wave radar and camera-based imaging photoplethysmography

L Ren, L Kong, F Foroughian, H Wang… - IEEE Transactions …, 2017 - ieeexplore.ieee.org
In this paper, we compare the performance of radar and optical (camera based) techniques
in detecting vital signs such as respiratory rate (RR), heart rate (HR), and blood oxygen …

Vital sign detection in any orientation using a distributed radar network via modified independent component analysis

W Ren, F Qi, F Foroughian, T Kvelashvili… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
Recent advances in radar systems have demonstrated the possibility of noncontact human
vital signs detection. Most prior research has focused on vital sign detection with specific …

An electromagnetic model of human vital signs detection and its experimental validation

S Nahar, T Phan, F Quaiyum, L Ren… - IEEE Journal on …, 2018 - ieeexplore.ieee.org
An electromagnetic model for heart rate and respiration rate detection using the scattered
fields of incident plane waves on a dielectric model of a human subject has been developed …

Design and implementation of a stepped frequency continuous wave radar system for biomedical applications

S Nahar - 2018 - trace.tennessee.edu
There is a need to detect vital signs of human (eg, the respiration and heart-beat rate) with
noncontact method in a number of applications such as search and rescue operation (eg …

[HTML][HTML] Broadband radar invisibility with time-dependent metasurfaces

V Kozlov, D Vovchuk, P Ginzburg - Scientific Reports, 2021 - nature.com
Concealing objects from interrogation has been a primary objective since the integration of
radars into surveillance systems. Metamaterial-based invisibility cloaking, which was …

Vital signs detection based on high-resolution 3-D mmWave radar imaging

Y Rong, I Lenz, DW Bliss - 2022 IEEE International Symposium …, 2022 - ieeexplore.ieee.org
In this paper, a novel low-power millimeter wave (mmWave) multiple-input multiple-output
(MIMO) radar with 20 transmitters (Tx) and 20 receivers (Rx) successfully demonstrates short …

An experimental study to optimize the stepped-frequency continuous-wave radar parameters for noncontact multi-target vital sign monitoring

Z Zhang, Y Nian, J Chen, M He - 2019 IEEE International …, 2019 - ieeexplore.ieee.org
To optimize measurement parameters for multi-target monitoring as far as possible on the
basis of the existing equipments, an adjustable parameter stepped frequency continuous …

Antenna effects on respiratory rate measurement using a UWB radar system

A Alemaryeen, S Noghanian… - IEEE Journal of …, 2018 - ieeexplore.ieee.org
State-of-the-art advances in the field of radar technology have made it possible to design
noninvasive sensing devices of vital signs. This paper presents the effects of antenna …

Electromagnetic modeling of vital sign detection and human motion sensing validated by noncontact radar measurements

F Quaiyum, N Tran, T Phan… - IEEE Journal of …, 2018 - ieeexplore.ieee.org
Technology to analyze human motion has significantly advanced over the last few years.
Locomotion studies have proved useful and have been practically applicable to some gait …

Non-contact multi-subject human gait analysis using a state-space method with enhanced 1-D block representation

F Foroughian, F Quaiyum, P Theilmann… - IEEE Journal of …, 2020 - ieeexplore.ieee.org
A stepped-frequency continuous-wave (SFCW) radar system with adequate pulse repetition
frequency (PRF) is developed to track relatively fast motions from various parts of the human …