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Numerical experimental validation of a GM-FDTD code for the study of cellular phones

✍ Scribed by Stefano Pisa; Marta Cavagnaro; Emanuele Piuzzi; Vanni Lopresto

Publisher: John Wiley and Sons
Year: 2005
Tongue: English
Weight: 357 KB
Volume: 47
Category: Article
ISSN: 0895-2477
DOI: 10.1002/mop.21180

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✦ Synopsis

This paper presents a numerical-experimental validation of a finite-difference time-domain code employing a graded-mesh (GM-FDTD). To this aim, a prototype of a mobile phone (mock-up), equipped with a helical antenna, is manufactured and modelled using the GM-FDTD code and a freeware code based on the method of moments (MoM). The return loss (RL), together with the near electric-and magnetic-field distributions, have been computed using the GM-FDTD code and compared with the MoM results and measurements. Moreover, the specific absorption rate (SAR) induced by the phone inside a cubic phantom has been measured and evaluated with the GM-FDTD code. The agreement between the numerical and experimental results is within acceptable measurement uncertainty.

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