Satellite swarm-based antenna arrays for 6G direct-to-cell connectivity

D Tuzi, T Delamotte, A Knopp - IEEE Access, 2023 - ieeexplore.ieee.org
Direct connectivity in L/S frequency bands between satellites and common mobile terrestrial
user equipment (UE), such as smartphones, is an essential feature for future 6G non …

Spherical atomic norm-inspired approach for direction-of-arrival estimation of EM waves impinging on spherical antenna array with undefined mutual coupling

OJ Famoriji, T Shongwe - Applied Sciences, 2023 - mdpi.com
A spherical antenna array (SAA) is an array-designed arrangement capable of scanning in
almost all the radiation sphere with constant directivity. It finds recent applications in …

Multi-source DoA estimation of EM waves impinging spherical antenna array with unknown mutual coupling using relative signal pressure based multiple signal …

OJ Famoriji, T Shongwe - IEEE Access, 2022 - ieeexplore.ieee.org
! Spherical antenna array (SAA) is a configuration that scans almost all the radiation sphere
with constant directivity. It finds applications in spacecraft and satellite communication …

Metasurface energy harvesters: State-of-the-art designs and their potential for energy sustainable reconfigurable intelligent surfaces

A Ghaneizadeh, P Gavriilidis, M Joodaki… - IEEE …, 2024 - ieeexplore.ieee.org
Metasurface Energy Harvesters (MEHs) have emerged as a prominent enabler of highly
efficient Radio Frequency (RF) energy harvesters. This paper provides a comprehensive …

Pattern synthesis of narrowband conformal arrays using iterative second-order cone programming

KM Tsui, SC Chan - IEEE Transactions on Antennas and …, 2010 - ieeexplore.ieee.org
A new design method is proposed for the power or shaped beam pattern synthesis problem
of narrowband conformal arrays, where only the magnitude response is specified. The …

A UWB low-profile hemispherical array for wide angle scanning

C Pfeiffer, J Massman - IEEE Transactions on Antennas and …, 2022 - ieeexplore.ieee.org
We report the first low-profile array on a doubly curved surface that supports wide angle
electronic scanning and ultrawide bandwidth (7: 1 ratio). The array elements are based on …

Toward project complexity evaluation: A structural perspective

C Ellinas, N Allan, A Johansson - IEEE Systems Journal, 2016 - ieeexplore.ieee.org
Complexity is often quoted as an independent variable that challenges the utility of
traditional project management tools and techniques. A large body of work has been …

Design of a wide beamwidth spherical conformal antenna array for ship‐borne applications

Y Luo, G Zhao, N Yan, W An, K Ma… - Microwave and Optical …, 2023 - Wiley Online Library
This study presents the phase setting method for a spherical conformal antenna array to
achieve a wide beamwidth circularly polarized radiation pattern. A dodecahedral spherical …

Dynamic antenna array design for scene classification through Fourier-domain filtering

D Chen, S Vakalis, JA Nanzer - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
We present a new approach to the classification of scenes in the microwave and millimeter-
wave bands that leverages a novel dynamic antenna array concept to capture distinct …

An UWB hemispherical Vivaldi array

C Pfeiffer, J Massman - IEEE Transactions on Antennas and …, 2022 - ieeexplore.ieee.org
We report the first conformal ultrawideband (UWB) array on a doubly curved surface for wide-
angle electronic scanning. We use a quadrilateral mesh as the basis for systematically …