Orthogonality in multibeam antennas is revisited. The difference between orthogonal
beamforming and zero-forced beamforming is highlighted. The intriguing relation between …

The design of subarrayed planar phased arrays characterized by an irregular organization
of domino-shaped tiles is addressed. Starting from optimal tiling theorems drawn from …

Machine-learning (ML)-assisted antenna-array design methods suffer from a heavy
computational burden. In this article, a knowledge-guided active-base-element-modeling …

The encouraging potential of employing large-scale aperiodic base station arrays in
addressing the radiation pattern and thermal requirements of the next generation …

Array synthesis under practical constraints is a vital design task. Traditional array synthesis
methods usually deal with isolated antenna elements without considering mutual coupling …

Existing 3-D compressive sensing (CS)-based millimeter-wave (MMW) imaging methods
require a large-scale storage of the sensing matrix and immense computations owing to the …

An extended-feature, system-driven convex algorithm for the synthesis of uniform-amplitude,
irregular planar phased arrays with simultaneous multi-beam optimization for mm-wave 5G …

This paper provides a concise overview of recent developments in sparse antenna arrays,
with a specific focus on techniques for reducing mutual coupling. It explores the concept and …

Purpose The purpose of this study is to propose a framework for expedited antenna
optimization with numerical derivatives involving gradient variation monitoring throughout …

A refined extended alternating convex optimization (REACO) method is presented to
synthesize multibeam sparse circular-arc antenna arrays with minimum element spacing …