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A 2.4GHz Non-Contact Biosensor System for Continuous Monitoring of Vital-Signs [chapter]

Donald Lie, Ravi Ichapurapu, Suyash Jain, Jerry Lopez, Ronald Banister, Tam Nguyen, John Griswol
2011 Telemedicine Techniques and Applications  
These Doppler radar based techniques can also detect motion and used to monitor patient movement.  ...  Fig. 1 . 1 Principle of operation of a Doppler-based noncontact vital-signs monitoring system Fig. 3 . 3 Architecture of a Homodyne Transceiver Fig. 4 . 4 Illustration of Range Correlation b.  ...  A 2.4GHz Non-Contact Biosensor System for Continuous Monitoring of Vital-Signs, Telemedicine Techniques and Applications, Prof.  ... 
doi:10.5772/16362 fatcat:rnqlzmc3uzhu7mamiedip566vi

Editors' Choice—Review—Semiconductor Integrated Radar for Sensing Applications

Jenshan Lin, Changzhi Li, Chia-Chan Chang, Tsung-Heng Tsai, Domenico Zito, Sheng-Fuh Chang
2018 ECS Journal of Solid State Science and Technology  
This paper reviews recent developments of semiconductor integrated radar for modern sensing applications.  ...  It focuses on a few representative works of integrated radar sensor chips that operate in the continuous-wave mode and the ultra-wideband pulse mode.  ...  The radar chip uses heterodyne architecture with quadrature demodulation at 6-GHz intermediate frequency, and has 377 mW power consumption.  ... 
doi:10.1149/2.0181807jss fatcat:ov7z2pcgjjh4dlwna2h53wvdlm

Effects of Antenna Characteristics on the Performance of Heart Rate Monitoring Radar Systems

Mehrdad Nosrati, Negar Tavassolian
2017 IEEE Transactions on Antennas and Propagation  
This paper presents an experimental study to evaluate the effects of antenna radiation parameters on the detection capabilities of a 2.4 GHz Doppler radar used in non-contact heart rate monitoring systems  ...  It was also shown that using the recommended antenna arrangement will boost the heart rate detection accuracy of the radar by an average of 11%.  ...  Ding, "Broadband circularly polarized microstrip antenna Improved Gain for Noncontact Vital Sign Radar Detection," IEEE  ... 
doi:10.1109/tap.2017.2694861 fatcat:riefcv5gq5agzewt2c4uujuqji

2021 Index IEEE Transactions on Microwave Theory and Techniques Vol. 69

2021 IEEE transactions on microwave theory and techniques  
., +, TMTT May 2021 2629-2641 Super-Regenerative Oscillator-Based High-Sensitivity Radar Architecture for Motion Sensing and Vital Sign Detection.  ...  ., +, TMTT May 2021 2697-2711 Super-Regenerative Oscillator-Based High-Sensitivity Radar Architecture for Motion Sensing and Vital Sign Detection.  ... 
doi:10.1109/tmtt.2022.3156771 fatcat:7iov55dzdnbprgd42epirpfaia

Program Book

2021 2021 IEEE MTT-S International Microwave Symposium (IMS)  
and novel nanoelectronic devices employing unique low-temperature effects With these new devices, new ultra-low noise, ultra-low power, and wide-band circuits and systems are emerging, preparing the next  ...  array of functionalities, operating under extremely low noise conditions with limited power budgets Achieving this will require enhanced understanding of existing transistor technologies, 3D integrated systems  ...  distance (e g , Doppler weather radar and airplane radar) to short distance (e g , automobile radar and motion-sensing security radar) Stimulated by successful demonstrations of new system architectures  ... 
doi:10.1109/ims19712.2021.9575039 fatcat:5ga53lbfuff77k7wodk45e7pyy

A design methodology for 2D sparse NDE arrays using an efficient implementation of refracted-ray TFM

Jerzy Dziewierz, Timothy Lardner, Anthony Gachagan
2013 2013 IEEE International Ultrasonics Symposium (IUS)  
One of these technologies takes advantage of the acoustic radiation forces associated with ultrasound standing wave fields to spatially pattern cells within collagen-based hydrogels.  ...  A second technology uses ultrasound to noninvasively control the microstructure of collagen within engineered tissues.  ...  The main objective of this paper is to present how the field of detection theory, which has been used heavily in fields such as radar, underwater acoustic signal detection, and communications, may be applied  ... 
doi:10.1109/ultsym.2013.0035 fatcat:th5znfh7y5bklfdbmhb4u6iq2i