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Optimization of Antenna Designs Using the FDTD Simulation Method Enhanced with the Subcell Modeling Technique

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3 Author(s)
Benkler, S. ; Found. for Res. on Inf. Technol. in Soc., ETH Zurich ; Chavannes, N. ; Kuster, N.

This article demonstrates the capability of using the finite-differences time-domain (FDTD) method as simulation tool for optimizing the design of an antenna. The FDTD simulation method is locally enhanced with subcell modeling technique, which incorporates a-priori known field behavior in (1) curved material interfaces and (2) strong field gradients near sharp metal edges. Combining the FDTD subcell modeling technique with a FDTD simulation hardware acceleration card enables the efficient optimization of several parameters based on genetic algorithms.

Published in:

Antenna Technology: Small and Smart Antennas Metamaterials and Applications, 2007. IWAT '07. International Workshop on

Date of Conference:

21-23 March 2007