NDLI: Measurement of the maximum SAR in a spherical phantom when operating a mobile phone near a metallic wall

Content Provider	IEEE Xplore Digital Library
Author	Simba, A.Y. Watanabe, S. Hikage, T. Nojima, T.
Copyright Year	2008
Description	Author affiliation: Nat. Inst. of Inf. & Commun. Technol., Tokyo (Simba, A.Y.; Watanabe, S.) \|\| Hokkaido Univ., Sapporo (Hikage, T.; Nojima, T.)
Abstract	The aim of this paper is to present an experimental investigation of the specific absorption rate (SAR) in a spherical phantom head when operating a mobile phone close to a metallic wall. The mobile phone is modeled as a half-wavelength dipole antenna. The effect of the wall on the peak 10-g SAR and input characteristics of the antenna for two wall orientations are measured. The antenna is set to transmit maximum output power of 250 mW at 900 MHz. A slowly decaying sinusoidal form of the peak 10-g SAR curves, which has been predicted by numerical simulation from several authors including ourselves, is confirmed experimentally for the first time. Under the valid antenna-wall distances used in this work, maximum peak 10-g SAR increase of 7% over the free space value was recorded at the distance of 394 mm away from the wall. Simulated results obtained by the FDTD technique are also presented. Good agreement between the measured and simulated results is obtained.
Starting Page	1
Ending Page	4
File Size	263082
Page Count	4
File Format	PDF
ISBN	9781424426478
DOI	10.1109/ISABEL.2008.4712610
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-10-25
Publisher Place	Denmark
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Antenna measurements metallic wall Dipole antennas Transmitting antennas peak 10-g SAR Mobile antennas Mobile handsets Specific absorption rate finite difference time domain technique (FDTD) specific absorption rate (SAR) Imaging phantoms Numerical simulation Power generation Finite difference methods
Content Type	Text
Resource Type	Article

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FDTD simulations of a mobile phone operating near a metal wall

Unsplit-Field FDTD Simulation of a Mobile Phone Operating Near a Metal Wall

FDTD Simulations of a Mobile Phone Operating near a Metal Wall

Analysis on the Specific Absorption Rate due to the metallic objects exposed to radiation source

The impact of mobile shell materials on SAR

Study of Using Fractional Spherical Phantom on SAR Evaluation

Prediction of the Sar Level Induced in a Dielectric Sphere by a Thin Wire Dipole Antenna

Analysis of SAR on flat phantom for different multi-antenna mobile terminals

Use of a block hand phantom for mobile phone Specific Absorption Rate measurements

Measurement of the maximum SAR in a spherical phantom when operating a mobile phone near a metallic wall

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