Review of Self-Injection-Locked Radar Systems for Noncontact Detection of Vital Signs

Fu Kang Wang, Chung Tse Michael Wu, Tzyy Sheng Horng, Chao Hsiung Tseng, Shiang Hwua Yu, Chia Chan Chang, Pin Hsun Juan, Yichao Yuan

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

In recent decades, wireless healthcare detection has been demonstrated to be an efficient method for monitoring the health condition of targets; it has involved the detection of motion and vital sign signals with minimal discomfort. Self-injection-locked (SIL) radar systems exhibit several useful advantages over conventional continuous-wave (CW) radar systems in healthcare applications, including a low system complexity, high sensitivity, and high clutter immunity. Several approaches to detecting vital sign signals and locations using SIL radar systems have been proposed. This paper summarizes developments in vital sign detection and localization. Finally, some results of detecting animals using SIL radar systems are presented.

Original languageEnglish (US)
Article number9093956
Pages (from-to)294-307
Number of pages14
JournalIEEE Journal of Electromagnetics, RF and Microwaves in Medicine and Biology
Volume4
Issue number4
DOIs
StatePublished - Dec 2020

All Science Journal Classification (ASJC) codes

  • Radiation
  • Instrumentation
  • Radiology Nuclear Medicine and imaging

Keywords

  • Animal detection
  • continuous-wave (cw) radar
  • self-injection-locked (sil) radar
  • vital sign
  • wearable sensor

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