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Evaluation of SAR in Human Body Models Exposed to EMF emitted from UHF RFID Readers working in Internet of Things (IoT) System

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EvaluationOfSARIn_2020.pdf (412.62 KB)
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URI: http://hdl.handle.net/20.500.12105/12583
DOI: 10.3390/ecsa-7-08240

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2020

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Abstract

The aim of this ongoing study was to evaluate the specific energy absorption rate (SAR) values in the body of a person present nearfixed readers of ultra-high frequency (UHF) RFID passive tags incorporated in Real-Time Locating Systems (RTLS), operating at a frequency range of 865 868MHz, considering various exposure scenarios. The modelled electromagnetic field (EMF) source was a rectangular microstrip antenna designed at resonance frequency in free space at 865 MHz. The SAR values in the body exposed to EMF 5 cm away from the UHF RFID readers need consideration with respect to general public exposure limits, when the radiated power exceeds 8 W.

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Presented at the 7th Electronic Conference on Sensors and Applications, 15–30 November 2020; Available online: https://ecsa-7.sciforum.net/

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Biomedical engineering Environmental engineering Numerical simulations Occupational exposure Public health Specific energy absorption rate (SAR) RadioFrequency IDentification (RFID) Real-Time Locating Systems (RTLS)

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Eng. Proc. 2020, 2(1), 11.

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Unidad de Investigación en Salud Digital (UITeS)

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https://doi.org/10.3390/ecsa-7-08240

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research article