Abstract
This paper describes various possibilities for designing multibeam antennas using a single metasurface (MTS) aperture. Both single-source and multi-source feeding schemes are considered. For the single-source case, two approaches are investigated: i) division of the aperture in several angular sectors (one per beam) and ii) superposition of the individual modulations required to obtain the beams in the desired directions. A configuration based on a multi-source feeding scheme is also tailored by a superposition of modulation patterns. Numerical results based on the Method of Moments are presented for validation.
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