Non-intrusive human vital sign detection using mmwave sensing technologies: A review

Y Wu, H Ni, C Mao, J Han, W Xu - ACM Transactions on Sensor …, 2023 - dl.acm.org
Non-invasive human vital sign detection has gained significant attention in recent years, with
its potential for contactless, long-term monitoring. Advances in radar systems have enabled …

Through-the-wall human activity recognition using radar technologies: A review

J Yousaf, S Yakoub, S Karkanawi… - IEEE Open Journal …, 2024 - ieeexplore.ieee.org
Ultra-wideband radar technology (UWB) has demonstrated its vital role through various
applications in surveillance, search and rescue, health monitoring, and the military. Unlike …

Emergency response person localization and vital sign estimation using a semi-autonomous robot mounted SFCW radar

CA Schroth, C Eckrich, I Kakouche… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
The large number and scale of natural and man-made disasters have led to an urgent
demand for technologies that enhance the safety and efficiency of search and rescue teams …

Radiofrequency Doppler echocardiography

S Fan, Z Deng, Q Du, P Pan, S Yuan, X Huang - Measurement, 2023 - Elsevier
An individual's respiration and heart rates can be monitored in a contactless manner via
Doppler radar. However, previous studies have failed to analyse cardiac activity based on …

Multiperson respiratory monitoring using single-channel continuous-wave radar with time modulated array

L Guan, T Wu, X Yang, N Zhao, Z Zhang… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
Radio frequency (RF) signals are widely used in respiratory detection due to their non-
contact, remote sensing advantages. In order to satisfy multiperson monitoring, the existing …

Accurate multi-target vital signs detection method for FMCW radar

W Xue, R Wang, L Liu, D Wu - Measurement, 2023 - Elsevier
The frequency modulated continuous wave (FMCW) radar has gained increasing attention
in the field of noncontact vital signs detection. However, the detection of the target chest's …

Multiple stationary human targets detection in through-wall UWB radar based on convolutional neural network

C Shi, Z Zheng, J Pan, ZK Ni, S Ye, G Fang - Applied Sciences, 2022 - mdpi.com
Ultra-wideband (UWB) impulse radar is widely used for through-wall human detection due to
its high-range resolution and high penetration capability. UWB impulse radar can detect …

An S-band zero-IF SFCW through-the-wall radar for range, respiration rate, and DOA estimation

YE Acar, I Saritas, E Yaldiz - Measurement, 2021 - Elsevier
This study presents a Zero-IF structured Stepped Frequency Continuous Wave (SFCW)
radar system for range, respiration rate, and DOA estimation of the targets behind the walls …

Multitarget respiration monitoring based on cumulative phase gradient approach

Q Wu, X Huang, Y Chen, J Li… - IEEE Geoscience and …, 2023 - ieeexplore.ieee.org
Simultaneous measurements of multitarget vital signs have been quite challenging for radar-
based noncontact vital signs monitoring. This letter presents a novel cumulative phase …

Suppression of signal distortion within CSI ratio based wireless sensing by orthogonal antennas

L Lei, K Lin, T Hao - IEEE Sensors Journal, 2024 - ieeexplore.ieee.org
The utilization of the channel state information (CSI) ratio offers a promising avenue to
extend the range and precision of wireless sensing applications. Recent research …