Abstract
In this paper, non-contact remote vital sign monitoring (RVSM) using 60 GHz-band (57–66 GHz) beam scanning micro-Doppler radar (micro–DR) is presented. Two highly directional antennas with beam scanning ( $\boldsymbol{20^{\mathrm{o}}}$ ) capabilities have been designed and employed for breathing rate (BR) and heartbeat rate (HR) detection of a person located up to 3m radial distance from the micro–DR at various angular positions. The 60GHz-band RVSM results showed high detection sensitivity, especially for incredibly small HR signal, due to the shorter operating wavelength at 60GHz-band. The proposed beam scanning micro–DR offers flexibility for the subject to change their position within $\boldsymbol{20^{\mathrm{o}}}$ angular space while remaining under continuous health monitoring.
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