Vital-sign monitoring and spatial tracking of multiple people using a contactless radar-based sensor

Marco Mercuri (Corresponding author), Ilde Rosa Lorato, Yao Hong Liu, Fokko Wieringa, Chris van Hoof, Tom Torfs

Research output: Contribution to journalArticleAcademicpeer-review

3 Citations (Scopus)

Abstract

Various medical systems exist for monitoring people in daily life, but they typically require the patient to wear a device, which can create discomfort and can limit long-term use. Contactless vital-sign monitoring would be preferable, but such technology is challenging to develop as it involves weak signals that need to be accurately detected within a practical distance, while being reliably distinguished from unwanted disturbance. Here, we show that a radar-based sensor can be used to monitor the individual vital signs (heartbeat and respiration) of multiple people in a real-world setting. The contactless approach, which does not require any body parts to be worn, uses two antennas (one transmitter and one receiver) and algorithms for target tracking and rejection of random body movements. As a result, it is robust against moderate random body movements (limb movements and desk work) and can keep track of individual people during vigorous movement (such as walking and standing up).
Original languageEnglish
Pages (from-to)252-262
Number of pages11
JournalNature Electronics
Volume2
Issue number6
DOIs
Publication statusPublished - 1 Jun 2019

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radar
Radar
Monitoring
sensors
Sensors
Target tracking
Transmitters
Wear of materials
Antennas
walking
respiration
transmitter receivers
limbs
rejection
disturbances
antennas
receivers

Cite this

Mercuri, Marco ; Lorato, Ilde Rosa ; Liu, Yao Hong ; Wieringa, Fokko ; van Hoof, Chris ; Torfs, Tom. / Vital-sign monitoring and spatial tracking of multiple people using a contactless radar-based sensor. In: Nature Electronics. 2019 ; Vol. 2, No. 6. pp. 252-262.
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Vital-sign monitoring and spatial tracking of multiple people using a contactless radar-based sensor. / Mercuri, Marco (Corresponding author); Lorato, Ilde Rosa; Liu, Yao Hong; Wieringa, Fokko; van Hoof, Chris; Torfs, Tom.

In: Nature Electronics, Vol. 2, No. 6, 01.06.2019, p. 252-262.

Research output: Contribution to journalArticleAcademicpeer-review

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