Simulations of a Shaped Dielectric Lens Antenna by FEKO
Yosuke Tajima and Yoshihide Yamada
Department of Electrical and Electronic Engineering, National Defense Academy, Japan
In the Intelligent Transportation System (ITS), millimeter waves are used and antennas are requested beam scanning ability. In the millimeter wave operation, a dielectric lens antenna is one of the prominent candidates. Authors designed a shaped dielectric lens antenna based on the Abbe’s sine condition. Wide angle beam scanning characteristics were ensured through the ray tracing calculations and measured radiation patterns. Recently, owing to the enhancement of electromagnetic simulator abilities, simulations of a dielectric lens antenna become possible. In this paper, simulated results of the shaped dielectric lens antenna through the FEKO suit 5.3 are compared with measured results. First, electrical characteristics of the corrugate horn use for feed horn are shown. As for beam scanning characteristics of the lens antenna, excellent agreements between the simulated and measured results are ensured. Moreover, wide angle radiation patterns are compared in simulated and measured results. Through these comparisons, accuracies of the FEKO simulation calculations are clarified.
24th Annual Review of Progress in Applied Computational Electromagnetics
2008
April
380-385
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