Millimeter-wave multibeam endfire dual-circularly polarized antenna array for 5G wireless applications

Q Wu, J Hirokawa, J Yin, C Yu… - IEEE transactions on …, 2018 - ieeexplore.ieee.org
A broadband multibeam endfire dual-circularly polarized (CP) antenna array using dielectric-
loaded stepped slot antennas for millimeter-wave (mmWave) applications is proposed. First …

Performance-based nested surrogate modeling of antenna input characteristics

S Koziel, A Pietrenko-Dabrowska - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
Utilization of electromagnetic (EM) simulation tools is mandatory in the design of
contemporary antenna structures. At the same time, conducting design procedures that …

Cognition-driven formulation of space mapping for equal-ripple optimization of microwave filters

C Zhang, F Feng, QJ Zhang… - IEEE transactions on …, 2015 - ieeexplore.ieee.org
Space mapping is a recognized method for speeding up electromagnetic (EM) optimization.
Existing space-mapping approaches belong to the class of surrogate-based optimization …

Computational optimization algorithms for antennas and RF/microwave circuit designs: An overview

SH Yeung, WS Chan, KT Ng… - IEEE Transactions on …, 2012 - ieeexplore.ieee.org
This paper provides an overview of optimization algorithms for antennas and radio
frequency (RF)/microwave circuit designs. The significance of wireless communication to our …

A trust-region parallel Bayesian optimization method for simulation-driven antenna design

J Zhou, Z Yang, Y Si, L Kang, H Li… - … on Antennas and …, 2020 - ieeexplore.ieee.org
This article presents a trust-region parallel Bayesian optimization (TRPBO) method for
simulation-driven antenna design problems. In this method, a multipoints acquisition …

A comparison of three uniquely different state of the art and two classical multiobjective optimization algorithms as applied to electromagnetics

J Nagar, DH Werner - IEEE Transactions on Antennas and …, 2017 - ieeexplore.ieee.org
This paper compares three modern and two classical multiobjective optimizers (MOOs) as
applied to real-world problems in electromagnetics. The behavior of sophisticated optimizers …

Reduced‐cost electromagnetic‐driven optimisation of antenna structures by means oftrust‐region gradient‐search with sparse Jacobian updates

S Koziel, A Pietrenko‐Dabrowska - IET Microwaves, Antennas …, 2019 - Wiley Online Library
Numerical optimisation plays more and more important role in the antenna design. Because
of lack of design‐ready theoretical models, electromagnetic (EM)‐simulation‐driven …

Bandwidth optimization of a novel slotted fractal antenna using modified lightning attachment procedure optimization

R Anand, P Chawla - Smart Antennas: Latest Trends in Design and …, 2022 - Springer
A novel slotted fractal antenna is designed in this chapter. The designed antenna is then
undergone to a recent optimization technique called modified lightning attachment …

Triangulation-based constrained surrogate modeling of antennas

S Koziel, AT Sigurðsson - IEEE Transactions on Antennas and …, 2018 - ieeexplore.ieee.org
Design of contemporary antenna structures is heavily based on full-wave electromagnetic
(EM) simulation tools. They provide accuracy but are CPU intensive. Reduction of EM-driven …

Optimization of inscribed hexagonal fractal slotted microstrip antenna using modified lightning attachment procedure optimization

R Anand, P Chawla - International Journal of Microwave and …, 2020 - cambridge.org
An inscribed hexagonal fractal slotted patch antenna with some additional geometry and
slots is proposed for the optimization in this paper. This research work is concerned with the …