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Abstract
Purpose–The purpose of this paper is to investigate strategies and algorithms for expedited designoptimization and explicit size reduction of compact ultra-wideband (UWB) antennas.Design/methodology/approach–Formulation of the compact antenna design problem aiming atexplicit size reduction while maintaining acceptable electrical performance is presented. Algorithmicframeworks are described suitable for handling various design situations and involving simulationmodels without and with response gradients available. Numerical and experimental case studies areprovided demonstrating feasibility of solving real-world miniaturized antenna design tasks.Findings–It is possible, through appropriate combination of the global and local optimizationmethods, surrogate modeling techniques and response correction methods, to find optimumdimensions of antenna structures that minimize antenna size while maintaining acceptable electricalperformance. Design optimization can be performed at practically feasible computational costs.Research limitations/implications–The study summarizes recent advances in miniaturization-oriented design optimization of UWB antennas. The presented techniques reach far beyond thecommonly used design approaches based on parameter sweeps and similar hands-on methods,particularly in terms of automation, reliability, and reduction of the computational costs of thedesign processes.Originality/value–The proposed design problem formulation and algorithmic frameworks proveduseful for rapid design of compact UWB antenna structures, which is extremely challenging whenusing conventional methods. To the knowledge, this is the first attempt to efficient solving of this typeof design problems, especially in the context of explicit antenna size reduction.
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Details
- Category:
- Articles
- Type:
- artykuł w czasopiśmie wyróżnionym w JCR
- Published in:
-
ENGINEERING COMPUTATIONS
no. 33,
edition 4,
pages 1051 - 1069,
ISSN: 0264-4401 - Language:
- English
- Publication year:
- 2016
- Bibliographic description:
- Kozieł S., Bekasiewicz A.: Simulation-driven design of compact ultra-wideband antenna structures// ENGINEERING COMPUTATIONS. -Vol. 33, iss. 4 (2016), s.1051-1069
- DOI:
- Digital Object Identifier (open in new tab) 10.1108/ec-06-2015-0163
- Verified by:
- Gdańsk University of Technology
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