ANALYSIS OF THE WHOLE-BODY AVERAGED SPECIFIC ABSORPTION RATE (SAR) FOR FAR-FIELD EXPOSURE OF AN ISOLATED HUMAN BODY USING CYLINDRICAL ANTENNA THEORY | Zendy

Behailu Kibret | Zendy; Assefa K. Teshome | Zendy; Daniel Lai | Zendy

Open Access

ANALYSIS OF THE WHOLE-BODY AVERAGED SPECIFIC ABSORPTION RATE (SAR) FOR FAR-FIELD EXPOSURE OF AN ISOLATED HUMAN BODY USING CYLINDRICAL ANTENNA THEORY

Author(s) -

Behailu Kibret,

Assefa K. Teshome,

Daniel Lai

Publication year - 2014

Publication title -

progress in electromagnetics research m

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.216

H-Index - 31

ISSN - 1937-8726

DOI - 10.2528/pierm14072201

Subject(s) - specific absorption rate , antenna (radio) , physics , resonance (particle physics) , optics , absorption (acoustics) , acoustics , computational physics , telecommunications , computer science , atomic physics

This study proposes an accurate estimation of whole-body averaged speciflc absorption rate (WBA-SAR) for far-fleld exposure of an isolated human body in the frequency range of 10{200MHz based on a lossy homogenous cylindrical antenna model of the human body. Equations are derived for the total induced axial current and the whole-body averaged SAR based on a rigorous treatment of cylindrical antenna theory. An explicit formula for the resonance frequency in terms of the anatomical parameters and the dielectric properties of the body is proposed for the flrst time. Moreover, important phenomena in far-fleld radio frequency (RF) dosimetry, such as, the cause of resonance and the SAR frequency characteristics are discussed from an antenna theory perspective.

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