A low profile (0.019λ), lightweight, linearly polarized antenna has been designed for 0.9 GHz applications using a double layered via-less high impedance surface (HIS). The weight of the antenna is reduced by removing the dielectric layer between the HIS and the ground plane. In order to suppress the back lobe, we propose the use of a cavity. Since the entire structure lies below the surface of the ground, the proposed antenna can be used on moving platforms, especially for airborne applications.
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Gupta et al. (2016) studied this question.
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