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8 EE|Times EUROPE
Contactless Measurement of Vital Signs with Radar Sensors
about 10 dBm or even less. This is very low huge increase of functionality. Applications increasingly entering the smart home for
compared with a 5G smartphone, for example, include smart hubs, laptops, tablets, smart health monitoring.
which typically can have about 20-dBm TVs and many other smart-home devices. Continuous recording of vital data means it
radiated power. The radiation from the radar can be easily shared with the user’s physician
sensor has no adverse effect on humans. 4 BRINGING HEALTH MONITORING TO THE to make an accurate diagnosis. Thanks to
SMART HOME artificial intelligence, analysis of the recorded
Small The lessons of the pandemic have prompted data and trends over time allows early detec-
A radar chip also has a very compact size. At people to realize the importance of knowing tion of diseases. Symptoms of already known
4.05 × 4.05 mm, Infineon’s BGT60UTR11AIP their health status and preventing potential or suspected diseases like sleep apnea can be
(Figure 3) is the smallest 60-GHz radar sen- diseases. Likewise, advances in machine identified, recorded and easily shared with the
sor with integrated antennas on the market. learning are enabling the functionalities patient’s doctor. Also, in the event or risk of
5
Sensors like this can be easily integrated into of sensor technology to be exploited to the respiratory arrest, an emergency medical ser-
consumer electronics, where they provide a maximum. As a result, radar technology is vice can be alerted automatically and in time.
Figure 4: Potential applications of radar for vital sensing
MARCH 2023 | www.eetimes.eu
