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Sensors for Vital Signs Monitoring—2nd Edition

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Biomedical Sensors".

Deadline for manuscript submissions: 30 November 2025 | Viewed by 362

Special Issue Editor


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Guest Editor
Department of Electrical and Electronics Engineering, Konkuk University, Seoul 05029, Republic of Korea
Interests: RF/millimeter-wave transceiver front-end IC design for radar systems; terahertz-wave integrated circuits and systems; MMIC design; miniaturized radar sensors; CW/FSK/FMCW radar sensors; remote vital sign detection; HRV analysis using radar sensors
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Special Issue Information

Dear Colleagues,

The use of sensor technology for monitoring vital signs is an important topic in various service applications, such as entertainment and personalization platforms and Internet of Things (IoT) systems, as well as traditional medical purposes, such as disease indication judgment and prediction. Monitored vital signs include respiration and heart rate, body temperature, blood pressure, oxygen saturation, electrocardiogram, blood glucose concentration, and brain waves. Gait and walking length can also be regarded as vital signs because they can indirectly indicate human activity and status. Sensing technologies include contact sensors, such as electrocardiograms (ECGs), electroencephalograms (EEGs), photoplethysmograms (PPGs); non-contact sensors, such as ballistocardiographms (BCGs); and invasive/non-invasive sensors for the diagnosis of variations in blood characteristics and body fluids. Radar, vision, and infrared sensors can also be useful technologies for detecting vital signs from the movement of humans or organs. Furthermore, signal processing, extraction, and analysis techniques are important in industrial applications along with hardware implementation techniques. Battery management and wireless power transmission technologies, the design and optimization of low-power circuits, and systems for continuous monitoring and data collection/transmission should also be considered alongside sensor technologies. In addition, machine learning-based diagnostic technology can be used for extracting meaningful information from continuous monitoring data. Contributions on all of the above topics are welcome for submission to this Special Issue.

Dr. Jong-Ryul Yang
Guest Editor

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Keywords

  • novel and enhanced sensors for vital sign monitoring
  • innovative vital sign sensing technologies and applications
  • circuits and systems of miniaturized sensors for vital sign monitoring
  • new processing and analysis algorithms and machine learning for vital sign monitoring
  • low-power wireless communication technologies for vital sign monitoring
  • energy-efficient battery management and wireless power transmission for vital sign sensors
  • big data challenges and the use of the Internet of Things for vital sign monitoring

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Published Papers (1 paper)

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19 pages, 5668 KiB  
Review
Motion Cancellation Technique of Vital Signal Detectors Based on Continuous-Wave Radar Technology
by Min-Seok Kwon, Yuna Park, Joo-Eun Park, Geon-Haeng Lee, Sang-Hoon Jeon, Jae-Hyun Lee, Joon-Hyuk Yoon and Jong-Ryul Yang
Sensors 2025, 25(7), 2156; https://doi.org/10.3390/s25072156 - 28 Mar 2025
Viewed by 323
Abstract
Continuous-wave (CW) radar sensors can remotely measure respiration and heartbeat by detecting the periodic movements of internal organs. However, external disturbances, such as random body motion (RBM) or environmental interference, significantly degrade the signal-to-noise ratio (SNR) and reduce the accuracy of vital sign [...] Read more.
Continuous-wave (CW) radar sensors can remotely measure respiration and heartbeat by detecting the periodic movements of internal organs. However, external disturbances, such as random body motion (RBM) or environmental interference, significantly degrade the signal-to-noise ratio (SNR) and reduce the accuracy of vital sign detection. The various motion cancellation techniques that have been proposed to enhance robustness against RBMs include improvements in radar architecture, advanced signal processing algorithms, and studies on electromagnetic propagation characteristics. This paper provides a comprehensive review of recent advancements in motion cancellation techniques for CW radar-based vital sign detectors and discusses future research directions to improve detection performance in dynamic environments. Full article
(This article belongs to the Special Issue Sensors for Vital Signs Monitoring—2nd Edition)
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