On bandwidth maximization of fixed-geometry arrays through convex programming

L. T. P. Bui, N. Anselmi, T. Isernia, P. Rocca and A. F. Morabito

Journal of Electromagnetic Waves and Applications, 2020, vol. 34, issue 5, 581-600

Abstract: We propose a new approach to solve the problem of optimal power synthesis of array antennas, so that maximum possible bandwidth can be granted to fixed sidelobe-level performances. The proposed approach can be applied to any kind of fixed-geometry array that radiates pencil beams and to linear equispaced arrays that generate shaped patterns. The designing problem is cast as a sequence of Convex Programming optimizations. Numerous numerical experiments, including full-wave synthesis of realistic antennas, were carried out and their results discussed here to assess the array antennas’ capability of achieving ultra-wideband performances.

Date: 2020
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DOI: 10.1080/09205071.2020.1724832

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