A numerical assessment of the human body effect in the transmission of wireless microphones

Many mobile devices, including wireless microphones, are operated in the near proximity of the human body that modifies radiation conditions and absorbs some of the power of the device and, therefore, introduces an additional loss (body loss) to the radio communication link. In this article, we char...

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Bibliographic Details
Published in:Microwave and optical technology letters 2019-03, Vol.61 (3), p.809-817
Main Authors: Cabot, Eugenia, Stevanovic, Ivica, Kuster, Niels, Capstick, Myles H.
Format: Article
Language:English
Subjects:
anatomical models
body loss
Computer simulation
electromagnetic simulations
Electronic devices
finite‐difference time‐domain (FDTD)
Frequency ranges
High frequencies
Human body
Mathematical models
Microphones
Radio communications
Very high frequencies
Wireless communications
wireless microphones
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Summary:Many mobile devices, including wireless microphones, are operated in the near proximity of the human body that modifies radiation conditions and absorbs some of the power of the device and, therefore, introduces an additional loss (body loss) to the radio communication link. In this article, we characterize the body loss in wireless microphones over a wide frequency range spanning from the very high frequencies (235 MHz) to the super‐high frequencies (6 GHz) using 3D numerical electromagnetic simulations of 3 realistic human anatomical models and for 2 microphone types (hand‐held and body‐worn).
ISSN:0895-2477
1098-2760
DOI:10.1002/mop.31623