Remote heartbeat monitoring from human soles using 60-GHz ultra-wideband radar

Takuya Sakamoto, Shigeaki Okumura, Ryosuke Imanishi, Hirofumi Taki, Toru Sato, Mototaka Yoshioka, Kenichi Inoue, Takeshi Fukuda, Hiroyuki Sakai

Research output: Contribution to journalArticlepeer-review

20 Citations (Scopus)


Measurement of heartbeats is essential in cardiovascular magnetic resonance imaging because the measurement must be synchronized with the phase of cardiac cycles. Many existing studies on radar-based heartbeat monitoring have focused on echoes from the torso only, and such monitoring cannot be applied to subjects in magnetic resonance scanners because only the head and soles can be seen from the outside. In this study, we demonstrate the feasibility of the remote monitoring of heartbeats from the subject’s soles using a 60-GHz ultra-wideband radar. The heartbeat intervals measured using the radar are quantitatively compared with those measured using conventional electrocardiography.

Original languageEnglish
Article number20150786
JournalIEICE Electronics Express
Issue number21
Publication statusPublished - 2015 Oct 22


  • Heartbeat
  • Magnetic resonance imaging
  • Radar
  • Soles
  • Ultra-wideband

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering


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