The Effects of Metallic Loop-Like Accessory Worn on the Human Body on SAR at 2.45 GHz

Abstract

This paper presents the Specific Absorption Rates (SAR) in the human body with a monopole antenna.The distance between the antenna and the body were varied at different distances. The parameters (εr, σ) used in the human body set according to the standard tissue equivalent liquids recommended by the IEEE and FCC. The simulations were made by means of CST Microwave Studio software at frequencies of 2.45GHz .The effect of the body on the SAR calculation in the body were measured. The SAR values were recorded in term of SAR for 10g of tissue. The TM is positioned against the metallic loop-like accessory, place on the left wrist of the generic arm at a varied distance from the cylindrical phantom.Numerical analysis conducted using a broadband textile monopole antenna (TM) with variations of orientation and distance showed that SAR values increased when the TM is horizontally polarized.