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Assessment of Indoor-Outdoor Wi-Fi Radiation on Human Body and its Precise SAR Measurement

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Title Assessment of Indoor-Outdoor Wi-Fi Radiation on Human Body and its Precise SAR Measurement
 
Creator Naik, Bhukya Venkanna
Sharma, Kanhaiya
Sharma, Rina
 
Subject Wi-Fi
SAR
Radiation
Human body
E-field probe
 
Description 744-751
There has been a lot of awareness concern about the health hazards of RF electromagnetic radiation on the human body,
the radiofrequency electromagnetic field (RF-EMF) exposure assessment needs attention. This paper reports experimentally
measured electromagnetic radiation emission from public place Wi-Fi devices. Indoor and outdoor measurements are done
at different geographic locations in India. For the indoor assessment, the experiment was carried out in the national physical
laboratory (NPL) New Delhi for 1-4 antennas Wi-Fi routers at a distance of 0-10-meter range are taken into consideration.
The power density and electrical intensity were measured using a spectrum analyzer with isotropic E-field probe TSEMFB1.
For the outdoor measurements, four different Delhi metro stations Wi-fi devices at a distance of 20-meter range towards
the train coach and below the Wi-fi routers have been considered. In this experiment, we used an instrument is Narda
NBM-550 E-field probe for electric field and radiated power density estimation. In addition, the human whole body 3D
model has been simulated in a free space environment, the measured outcome of indoor-outdoor electromagnetic radiation
and specific absorption rate (SAR) is compared with the ICNIRP, FCC guideline limits at 2.45-5.87 GHz and precise SAR
has been evaluated.
 
Date 2021-12-16T11:42:24Z
2021-12-16T11:42:24Z
2021-11
 
Type Article
 
Identifier 0975-0959 (Online); 0301-1208 (Print)
http://nopr.niscair.res.in/handle/123456789/58625
 
Language en
 
Publisher NIScPR-CSIR, India
 
Source IJPAP Vol.59(11) [November 2021]