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Design of Wideband Metasurface Structure with the Aid of Bottom-Up Optimization

  • Dogus University
  • Politecnico di Torino
  • Politehnica University of Timisoara
  • Consiglio Nazionale delle Ricerche
  • Department of Signal Theory and Communications
  • Universidad Carlos III de Madrid

Research output: Chapter in Book or Conference Publication/ProceedingConference Publicationpeer-review

1 Citation (Scopus)

Abstract

This paper presents a design methodology leading to optimize an electromagnetic metasurface structure usable in a wide band frequency. The structure consists of identical unit cells realized in microstrip technology, being one of them fed by a coaxial cable. The employed approach is the bottom-up optimization (BUO) that is implemented by increasing the number of radiators following a squared scheme of n×n nature. The proposed methodology leads to design optimal complex structures exhibiting a wideband feature. For validating the use of BUO method, the number of radiators has been increased from 1 to 25, i.e., n has been varied form n = 1, to n = 5. The initial design parameters of antennas are obtained through particle swarm optimization (PSO) algorithm. The simulation results show that the optimized metasurface with the aid of BUO method has a wideband frequency answer in the range from 13 GHz to 22.66 GHz.

Original languageEnglish
Title of host publicationInternational Conference on Electromagnetics in Advanced Applications and IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications, ICEAA-IEEE APWC 2024
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages316-319
Number of pages4
Edition2024
ISBN (Electronic)9798350360974
DOIs
Publication statusPublished - 2024
Externally publishedYes
Event25th International Conference on Electromagnetics in Advanced Applications, ICEAA 2024 - Lisbon, Portugal
Duration: 2 Sept 20246 Sept 2024

Conference

Conference25th International Conference on Electromagnetics in Advanced Applications, ICEAA 2024
Country/TerritoryPortugal
CityLisbon
Period2/09/246/09/24

Keywords

  • Antenna
  • bottom-up optimization (BUO)
  • metasurface
  • particle swarm optimization (PSO)
  • wideband

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