IEEE

IEEE/IEC Draft International Standard - Assessment of Power Density of Human Exposure to Radio Frequency Fields from Wireless Devices in Close Proximity to the Head and Body (Frequency Range of 6 GHz to 300 GHz) Part 4: Computational Procedures for Absorbed Power Density

This document specifies computational procedures for conservative and reproducible computations of the absorbed power density (APD) or epithelial power density, which is a measure to quantify the dissipated electromagnetic power in the human head or body due to exposure to radiofrequency (RF) electromagnetic field (EMF) transmitting devices. The computational procedures described are finite-difference time-domain (FDTD) and finite element methods (FEM), which are used to determine electromagnetic quantities by solving Maxwell's equations. The procedures specified here apply to exposure evaluations for the significant majority of the population during the use of hand-held and body-worn RF transmitting devices with known uncertainty. The methods apply to devices with single or multiple transmitters or antennas that operate with their radiating structure(s) at distances up to 200 mm from the human head or body. This document can be employed to evaluate compliance with applicable APD limits of different types of RF transmitting wireless communication devices used in close proximity to the head and body, with or without RF transmitting or non-transmitting accessories, or of devices embedded in garments. The overall applicable frequency range of the specified protocols and procedures is from 6 GHz to 300 GHz. The categories of wireless communication devices covered in this document include mobile telephones, radio transmitters in personal computers, desktop and laptop devices, and multi-band and multi-antenna devices. The procedures of this document do not apply to APD evaluation of electromagnetic fields emitted or altered by devices or objects intended to be implanted in the body.

IEEE/IEC Draft International Standard - Assessment of Power Density of Human Exposure to Radio Frequency Fields from Wireless Devices in Close Proximity to the Head and Body (Frequency Range of 6 GHz to 300 GHz) Part 3: Measurement Procedures for Absorbed Power Density

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