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An innovative and general approach is proposed to the optimal, mask-constrained power synthesis of circular continuous aperture sources able to dynamically reconfigure their radiation behavior by just modifying their phase distribution. The design procedure relies on an effective a-priori exploration of the search space which guarantees the achievement of the globally-optimal solution. The synthesis is cast as a convex programming problem and can handle an arbitrary number of pencil and shaped beams. The achieved solutions are then exploited as reference and benchmark in order to design phase-only reconfigurable isophoric circular-ring sparse arrays. Numerical results concerning new-generation telecommunication systems are provided in support of the given theory.

progress in electromagnetics research m. pier m

CIRCULAR-RING ANTENNA ARRAYS BEING AT THE SAME TIME SPARSE, ISOPHORIC, AND PHASE-ONLY RECONFIGURABLE: OPTIMAL SYNTHESIS VIA CONTINUOUS APERTURE SOURCES