Abstract
The flnite difierence time domain (FDTD) method is widely used as a computational tool to simulate the electromagnetic wave propagation in biological tissues. When expressed in terms of Debye parameters, dispersive biological tissues dielectric properties can be e-ciently incorporated into FDTD codes. In this paper, FDTD formulation with nonuniform grid is presented to simulate a dual medical implant communications service (MICS) (402{405MHz) and industrial, scientiflc, and medical (ISM) (2.4{2.48GHz) band implantable antenna for continuous glucose-monitoring applications. In addition, we present computationally simpler two-pole Debye models that retain the high accuracy of the Cole-Cole Model for dry skin in MICS and ISM bands. The re∞ection coe-cient simulation result with Debye dispersion is presented and compared with the published results. FDTD was also applied to analyze antenna's far- fleld.
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