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 language | English |
|---|---|
| Title of host publication | International Conference on Electromagnetics in Advanced Applications and IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications, ICEAA-IEEE APWC 2024 |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| Pages | 316-319 |
| Number of pages | 4 |
| Edition | 2024 |
| ISBN (Electronic) | 9798350360974 |
| DOIs | |
| Publication status | Published - 2024 |
| Externally published | Yes |
| Event | 25th International Conference on Electromagnetics in Advanced Applications, ICEAA 2024 - Lisbon, Portugal Duration: 2 Sept 2024 → 6 Sept 2024 |
Conference
| Conference | 25th International Conference on Electromagnetics in Advanced Applications, ICEAA 2024 |
|---|---|
| Country/Territory | Portugal |
| City | Lisbon |
| Period | 2/09/24 → 6/09/24 |
Keywords
- Antenna
- bottom-up optimization (BUO)
- metasurface
- particle swarm optimization (PSO)
- wideband
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