Wrist measurement for millimeter-wave non-invasive glucose monitoring: Numerical analysis of an anatomically realistic tissue model

Lena Azuma, Ryo Natsuaki, Akira Hirose

Abstract: This paper shows the advantages of wrist measurement for millimeter-wave (MMW) non-invasive glucose monitoring based on an anatomically realistic tissue model. The wrist possesses not only its good accessibility but also its thin epidermis and the existence of a radial artery, which enable MMW to acquire blood signals with a high sensitivity. We analyze their scattering characteristics according to blood glucose change in a frequency range of 60−90 GHz. Analysis results indicate that MMW senses skin microvasculature and radial artery, leading to high sensitivity to blood glucose levels. This work contributes to achieving reliable non-invasive blood glucose monitoring.