7 papers
A Bi-Stage Framework for Automatic Development of Pixel-Based Planar Antenna Structures
Khadijeh Askaripour, Adrian Bekasiewicz, Slawomir Koziel
Development of modern antennas is a cognitive process that intertwines experience-driven determination of topology and tuning of its parameters to fulfill the performance specifica…
Unsupervised Surrogate-Assisted Synthesis of Free-Form Planar Antenna Topologies for IoT Applications
Khadijeh Askaripour, Adrian Bekasiewicz, Slawomir Koziel
Design of antenna structures for Internet of Things (IoT) applications is a challenging problem. Contemporary radiators are often subject to a number of electric and/or radiation-r…
Multitaper-Based Post-Processing of Compact Antenna Responses Obtained in Non-Anechoic Conditions
Mariusz Dzwonkowski, Adrian Bekasiewicz, Slawomir Koziel
The process of developing antenna structures typically involves prototype measurements. While accurate validation of far-field performance can be performed in dedicated facilities…
Miniaturization-Oriented Design of Spline-Parameterized UWB Antenna for In-Door Positioning Applications
Adrian Bekasiewicz, Tom Dhaene, Ivo Couckuyt +1
Design of ultra-wideband antennas for in-door localization applications is a challenging task that involves development of geometry that ensures appropriate balance between the siz…
Specification-Oriented Automatic Design of Topologically Agnostic Antenna Structure
Adrian Bekasiewicz, Mariusz Dzwonkowski, Tom Dhaene +1
Design of antennas for modern applications is a challenging task that combines cognition-driven development of topology intertwined with tuning of its parameters using rigorous num…
TR-Based Antenna Design with Forward FD: the Effects of Step Size on the Optimization Performance
Adrian Bekasiewicz, Slawomir Koziel, Tom Dhaene +1
Numerical methods are important tools for design of modern antennas. Trust-region (TR) methods coupled with data-efficient surrogates based on finite differentiation (FD) represent…