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2021 | OriginalPaper | Chapter

Design of a 2.4 GHz Sensor with Low SAR Value for Measuring Vital Signs

Authors : Ananya Dey, Prapti Ganguly, Jawad Y. Siddiqui

Published in: Computers and Devices for Communication

Publisher: Springer Singapore

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Abstract

A microwave sensor is designed to operate at 2.4 GHz for measuring vital signs in human body. A double-layer patterned ground plane (GP) has been conceived to minimize the sensor size and experimentally verified. More than 360 MHz of 10 dB bandwidth and 2.28 dBi of gain over this band makes this sensor suitable for medical application. The simulated SAR value is found to be 0.5 W/kg for 30 mW of input power, which is much less than maximum limit 1.6 W/kg average over 1 g provided by FCC.

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Metadata
Title
Design of a 2.4 GHz Sensor with Low SAR Value for Measuring Vital Signs
Authors
Ananya Dey
Prapti Ganguly
Jawad Y. Siddiqui
Copyright Year
2021
Publisher
Springer Singapore
DOI
https://doi.org/10.1007/978-981-15-8366-7_43