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IEICE TRANSACTIONS on Electronics

Estimation of Current Distribution on Cellular Telephone Antennas Affected by Human Body Interaction

Eiji HANKUI, Takashi HARADA, Toshihide KURIYAMA

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Summary :

This paper describes an estimation method for an antenna current distribution including the interaction between a cellular telephone antenna and a human body. In our experiments, current distributions on a half wavelength dipole antenna at 900 MHz are evaluated by measuring the magnetic field near the antenna, when a human head-sized phantom model is located near the dipole antenna. From the experiments, the antenna current around a feed point is confirmed to increase by 30% due to the interaction effect. This result shows that antennas of portable phones should be designed by considering the effect of a human presence for the development of the higher performance antenna, and our estimation method will contribute to optimizing the design of such antennas.

Publication
IEICE TRANSACTIONS on Electronics Vol.E84-C No.9 pp.1260-1263
Publication Date
2001/09/01
Publicized
Online ISSN
DOI
Type of Manuscript
LETTER
Category
Microwaves, Millimeter-Waves

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