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Modelling the Influence of the 2.4 GHz Electromagnetic Field on the User of a Wearable Internet of Things (IoT) Device for Monitoring Hazards in the Work Environment

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URI: http://hdl.handle.net/20.500.12105/14930
ISSN: 2673-4591
DOI: 10.3390/ecsa-7-08238

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2020

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The aim was to test the hypothesis that there is an insignificant influence on humans from the absorption of an 2.4 GHz electromagnetic field (EMF) emitted by wearable Internet of Things (IoT) devices (using Meandered Inverted-F Antenna (MIFA) for Wi-Fi and Bluetooth technologies) for monitoring hazards in the work environment. To quantify problem, the specific energy absorption rate (SAR) was calculated in a multi-layer ellipsoidal model of the IoT device user’s head exposed to EMF from MIFA attached to a headband or to a helmet. SAR values may be significant when a modelled IoT wearable device is attached to a headband, but not to a helmet.

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Biomedical engineering Environmental engineering Numerical simulations Radiofrequency sensor Occupational exposure Public health Specific energy absorption rate (SAR) Wearables Wireless sensor networks (WSN)

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Eng. Proc. 2020, 2(1), 39.

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Unidad de Investigación en Salud Digital (UITeS)

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https://doi.org/10.3390/ecsa-7-08238

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research article