Noncontact Measurement of the Instantaneous Heart Rate in a Multi-person Scenario Using X-band Array Radar and Adaptive Array Processing

Takuya Sakamoto, Pascal J. Aubry, Shigeaki Okumura, Hirofumi Taki, Toru Sato, Alexander G. Yarovoy

Research output: Contribution to journalArticleScientificpeer-review

7 Citations (Scopus)
17 Downloads (Pure)

Abstract

A noncontact measurement of the heart rate of a specific person using an X-band radar system with a four-element antenna array is presented. The system comprises a two-dimensional planar wide-beam antenna array with a four-channel network analyzer. The direction of arrival is estimated using the Capon method, and the directionally constrained minimization-of-power algorithm is then applied to the received signals. Signals from the four channels are adaptively combined to enhance the accuracy in estimating the instantaneous heart rate in a multi-person scenario. Measurement results indicate that the proposed system with the adaptive array processing technique is effective for the noncontact measurement of the heart rate of a specific person when there are more than one person in the scene.

Original languageEnglish
Pages (from-to)280-293
Number of pages14
JournalIEEE Journal on Emerging and Selected Topics in Circuits and Systems
Volume8
Issue number2
DOIs
Publication statusPublished - 2018

Keywords

  • adaptive array
  • Circuits and systems
  • heart rate
  • microwave
  • radar
  • Total quality management

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