Abstract
A high gain frequency selective surface (FSS) antenna is proposed for noncontact remote vital signs monitoring (RVSM) with low power (−10 dBm) Doppler radar at 9.9 GHz frequency. High antenna gain (18.25 dBi) and narrow beam-width enhanced the accuracy of human breathing rate (BR) and heart beat rate (HR) detection from remote distance in the range of 5 cm to 1 m. Two antennas have been fabricated and tested for which the measured and simulation results showed good agreement. © 2017 Wiley Periodicals, Inc. Microwave Opt Technol Lett 59:818–823, 2017
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