Optimal design of Vivaldi antenna with corner reflector: a Multiobjective Minimax Method

• Autorzy: Di Barba Paolo , Januszkiewicz Łukasz

Identyfikatory

DOI

10.24425/aee.2024.152116

• Języki publikacji: EN

Abstrakty

EN

The paper presents the optimization of a reflector-backed Vivaldi antenna which was designed to operate at the 1.8, 2.1, and 3.5 GHz frequencies used in the fourth and fifth generation of wireless systems. Reducing antenna back radiation is the primary goal of the optimization; at the same time, however, antenna impedance matching has to be preserved for the considered set of frequencies, this way generating a conflict of goals. The proposed design method is based on a minimax formulation of each goal against frequency and a Pareto-like tradeoff of solutions. Both goals were achieved as a consequence of the optimization process, and the antenna now exhibits a voltage standing wave ratio below 3, front-to-back ratio of 14 dB and a gain in the front direction not smaller than 8 dBi.

Słowa kluczowe

EN

automated optimal design; genetic algorithm; numerical optimization; reflector antenna

• Wydawca: Polish Academy of Sciences, Committee on Electrical Engineering
• Czasopismo: Archives of Electrical Engineering
• Rocznik: 2024
• Tom: Vol. 73, nr 4
• Strony: 1161--1181
• Opis fizyczny: Bibliogr. 10 poz., rys., tab., wykr., wz.

Twórcy

autor

Di Barba Paolo

• Department of Electrical, Computer and Biomedical Engineering, University of Pavia, Via Ferrata 5, 27100 Pavia, Italy

autor

Januszkiewicz Łukasz

• Institute of Electronics, Lodz University of Technology, Al. Politechniki 10, 93-590 Lodz, Poland

Bibliografia

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