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. 2015:2015:4978-81.
doi: 10.1109/EMBC.2015.7319509.

A novel ultra-wideband 80 GHz FMCW radar system for contactless monitoring of vital signs

Siying Wang, Antje Pohl, Timo Jaeschke, Michael Czaplik, Marcus Köny, Steffen Leonhardt, Nils Pohl

A novel ultra-wideband 80 GHz FMCW radar system for contactless monitoring of vital signs

Siying Wang et al. Annu Int Conf IEEE Eng Med Biol Soc. 2015.

Abstract

In this paper an ultra-wideband 80 GHz FMCW-radar system for contactless monitoring of respiration and heart rate is investigated and compared to a standard monitoring system with ECG and CO(2) measurements as reference. The novel FMCW-radar enables the detection of the physiological displacement of the skin surface with submillimeter accuracy. This high accuracy is achieved with a large bandwidth of 10 GHz and the combination of intermediate frequency and phase evaluation. This concept is validated with a radar system simulation and experimental measurements are performed with different radar sensor positions and orientations.

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