Contactless radar-based sensors: Recent advances in vital-signs monitoring of multiple subjects

SMM Islam, O Boric-Lubecke… - IEEE Microwave …, 2022 - ieeexplore.ieee.org
Medical monitoring has improved over the last four decades to include increasingly less
invasive techniques. In particular, Doppler radar methods are emerging as a means for …

Bluetooth signal attenuation analysis in human body tissue analogues

MJ Christoe, J Yuan, A Michael… - IEEE Access, 2021 - ieeexplore.ieee.org
Wireless communications for ingestible and implantable medical device applications are
integral for the embedded systems employed to these ends. The Bluetooth protocol is of …

[HTML][HTML] Wearable sensor based on flexible sinusoidal antenna for strain sensing applications

M Ahadi, M Roudjane, MA Dugas, A Miled… - Sensors, 2022 - mdpi.com
A flexible sinusoidal-shaped antenna sensor is introduced in this work, which is a modified
half-wave dipole that can be used for strain sensing applications. The presented antenna is …

[HTML][HTML] Dynamic digital signal processing algorithm for vital signs extraction in continuous-wave radars

C Gouveia, D Albuquerque, J Vieira, P Pinho - Remote Sensing, 2021 - mdpi.com
Radar systems have been widely explored as a monitoring tool able to assess the subject's
vital signs remotely. However, their implementation in real application scenarios is not …

[HTML][HTML] Review of the Capacity to Accurately Detect the Temperature of Human Skin Tissue Using the Microwave Radiation Method

J Wu, J Liu - Biosensors, 2024 - mdpi.com
Microwave radiometry (MWR) is instrumental in detecting thermal variations in skin tissue
before anatomical changes occur, proving particularly beneficial in the early diagnosis of …

Low-profile high-directivity dual-beam circularly polarized antennas under operation of two odd modes

JF Lin, L Zhu - IEEE Transactions on Antennas and …, 2021 - ieeexplore.ieee.org
In this article, two coupled patch radiators are intensively investigated to characterize two
pairs of even/odd modes by virtue of characteristic modes analysis (CMA). It is discussed …

Heartbeat harmonics detectability during driving simulation using NHA and CW Doppler radar

T Horimoto, T Konishi, S Koyama, H Kawamura… - IEEE …, 2023 - ieeexplore.ieee.org
Several studies have been published on noncontact heartbeat detection recently.
Particularly, a few studies have found that radar for noncontact detection is effective for long …

[HTML][HTML] Non-contact driver respiration rate detection technology based on suppression of multipath interference with directional antenna

F Yang, Z He, S Guo, Y Fu, L Li, J Lu, K Jiang - Information, 2020 - mdpi.com
Non-contact driver respiration rate detection is a challenging problem in the Internet of
Vehicles, because the automobile environment is much narrower, and thus the multipath …

[HTML][HTML] Textile antenna for bio-radar embedded in a car seat

C Loss, C Gouveia, R Salvado, P Pinho, J Vieira - Materials, 2021 - mdpi.com
A bio-radar system is presented for vital signs acquisition, using textile antennas
manufactured with a continuous substrate that integrates the ground plane. Textile antennas …

[HTML][HTML] Antennas and propagation aspects for emerging wireless communication technologies

DI Kaklamani, AD Panagopoulos, PK Gkonis - Electronics, 2021 - mdpi.com
The increasing demand for high data rate applications and the delivery of zero-latency
multimedia content drives technological evolutions towards the design and implementation …