60-GHz millimeter-wave life detection system (MLDS) for noncontact human vital-signal monitoring

Huey Ru Chuang, Hsin Chih Kuo, Fu Ling Lin, Tzuen Hsi Huang, Chi Shin Kuo, Ya Wen Ou

Research output: Contribution to journalArticlepeer-review

50 Citations (Scopus)

Abstract

A first reported experimental study of a 60 GHz millimeter-wave life detection system (MLDS) for noncontact human vital-signal monitoring is presented. This detection system is constructed by using V-band millimeter-wave waveguide components. A clutter canceller is implemented in the system with an adjustable attenuator and phase shifter. It performs clutter cancellation for the transmitting power leakage from the circulator and background reflection to enhance the detecting sensitivity of weak vital signals. The noncontact vital signal measurements have been conducted on a human subject in four different physical orientations from distances of 1 and 2 m. The time-domain and spectrum waveforms of the measured breathing and heartbeat are presented. This prototype system will be useful for the development of the 60-GHz CMOS MLDS detector chip design.

Original languageEnglish
Article number5719149
Pages (from-to)602-609
Number of pages8
JournalIEEE Sensors Journal
Volume12
Issue number3
DOIs
Publication statusPublished - 2012 Feb 20

All Science Journal Classification (ASJC) codes

  • Instrumentation
  • Electrical and Electronic Engineering

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