Analysis and Design of an ESPAR Antenna Above Perfect Ground, Wire Grid Plate and Wire Grid Plate with Skirt

S.C. Panagiotou, T.D. Dimousios, and C.N. Capsalis (Greece)


ESPAR antenna, smart antennas, radiation pattern, input impedance


The electronically steerable passive array radiator (ESPAR) antenna array is a novel smart antenna system promising to play an important role in mobile systems manufacturing. In this paper, an effort to optimize the overall structure of a five-element monopole ESPAR antenna above perfect ground in order to form a desired radiation pattern and achieve impedance matching at a specific frequency is carried out utilizing the Genetic Algorithms (GA) optimization technique. The resulting configuration is then compared with the same monopole array placed above a wire grid plate and a wire grid plate with skirt.

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