Abstract
This article combines the Galerkin method of moments with the complex image technique to find the current distribution, input impedance, return loss, and frequency bandwidth of a half-wave dipole near a human head. It also finds the specific absorption rate distribution inside the human head which is modeled as three planar layers of lossy dielectrics. Comparisons with IE3D commercial simulator verify the accuracy and speed of the proposed method. It is found that the input resistance of the dipole is significantly reduced as the dipole is brought closer to the human head causing a reduction in the frequency bandwidth. The proposed method can be modified to solve other types of antennas on different human head planar geometries. © 2011 Wiley Periodicals, Inc. Int J RF and Microwave CAE, 2012.
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