NDLI: Characterization of the Interactions Between a 60-GHz Antenna and the Human Body in an Off-Body Scenario

Content Provider	IEEE Xplore Digital Library
Author	Chahat, N. Zhadobov, M. Le Coq, L. Alekseev, S.I. Sauleau, R.
Copyright Year	1963
Abstract	Interactions between a 60-GHz microstrip patch antenna array designed for off-body communications and the human body are investigated numerically and experimentally. First, the array is characterized in free space and on a homogeneous skin-equivalent phantom in terms of reflection coefficient, radiation pattern, and antenna efficiency. Second, a multiphysics dosimetry technique is proposed and implemented to determine the specific absorption rate (SAR) and incident power density (IPD) from the heating dynamics measured on an experimental phantom using a high-resolution infrared (IR) camera. The SAR and IPD are found by fitting the analytical solution of the bio-heat transfer equation to the measured heating dynamics. The experimental and numerical results are in a very good agreement. They demonstrate that for the considered scenario the impact of the body on the antenna characteristics is almost negligible, and even relatively high radiated powers (up to 550 mW) result in exposure levels that are below international exposure limits.
Sponsorship	IEEE Antennas and Propagation Society
Starting Page	5958
Ending Page	5965
Page Count	8
File Size	2128369
File Format	PDF
ISSN	0018926X
Volume Number	60
Issue Number	12
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-12-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Phantoms Antenna measurements Gain Antenna radiation patterns Arrays Antenna arrays specific absorption rate (SAR) Millimeter waves body area networks (BAN) body-centric wireless communications high-data-rate communications skin-equivalent phantoms
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering

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