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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