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A novel ESPAR (electronically steerable passive array radiator) antenna has been proposed. The antenna aperture is a planar array composed of the microstrip patch antenna (MSPA). The MSPA is a stacked circular patch that generates a circular polarized wave over a wide frequency band. Variable reactance values set for maximizing the output SINR are globally searched by direct search. The validity of the proposed antenna is demonstrated by numerical simulation.
Antennas and Propagation Society International Symposium, 2005 IEEE (Volume:4B )
Date of Conference: 3-8 July 2005