Antennas operating in close proximity of textured surfaces

In this paper a new method to reduce the interaction between antennas and nearby objects is proposed. It involves the use of a thin textured surface similar to a high-impedance layer that is wrapped around the objects that are in close proximity of the antenna (ground planes, various platforms, etc.). The textured surface acts as a “diffuser” spreading the reflected fields from the close objects and thereby reducing the power otherwise directed in the specular reflections. This method allows reducing the profile of endfire antennas working in close proximity to various platforms.