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Design of a 5-panel Multi-Faceted Reflectarray in Offset Configuration

Autor(es) y otros:
Imaz Lueje, BorjaAutoridad Uniovi; Arrebola Baena, ManuelAutoridad Uniovi; Rodríguez Pino, MarcosAutoridad Uniovi
Palabra(s) clave:

reflector antennas

reflectarrays

multi-faceted structures

Fecha de publicación:
2022-02
Versión del editor:
http://dx.doi.org/10.1109/GCWOT53057.2022.9772889
Resumen:

In this paper, a multi-faceted reflectarray structure is proposed to improve the in-band performance of a conventional reflectarray. The proposed antenna consists in 5 panels distributed on an offset cylindrical parabolic structure. To evaluate the improvements of this structure, a 5-panel reflectarray antenna is designed to generates a pencil beam in the broadside direction in Ka-band and it is compared to a single facet reflectarray of equivalent aperture as well as other multifaceted structure. The multi-faceted reflectarray reduces significantly the requirements imposed on the radiating elements what would allow the use of low-cost, low-profile cells without a degradation in antenna performance. Besides, the multi-faceted reflectarray achieves a better in-band performance compared to a conventional reflectarray. Indeed, the bandwidth of the proposed multi-faceted antenna is broader than other multi-faceted structures composed by a smaller number of panels, although the enhancement is smaller compared to the single facet case.

In this paper, a multi-faceted reflectarray structure is proposed to improve the in-band performance of a conventional reflectarray. The proposed antenna consists in 5 panels distributed on an offset cylindrical parabolic structure. To evaluate the improvements of this structure, a 5-panel reflectarray antenna is designed to generates a pencil beam in the broadside direction in Ka-band and it is compared to a single facet reflectarray of equivalent aperture as well as other multifaceted structure. The multi-faceted reflectarray reduces significantly the requirements imposed on the radiating elements what would allow the use of low-cost, low-profile cells without a degradation in antenna performance. Besides, the multi-faceted reflectarray achieves a better in-band performance compared to a conventional reflectarray. Indeed, the bandwidth of the proposed multi-faceted antenna is broader than other multi-faceted structures composed by a smaller number of panels, although the enhancement is smaller compared to the single facet case.

Descripción:

Global Conference on Wireless and Optical Technologies (GCWOT) (2022. Málaga, Spain)

URI:
http://hdl.handle.net/10651/62052
DOI:
10.1109/GCWOT53057.2022.9772889
Patrocinado por:

This work is supported in part by the Spanish Ministry of Science, Innovation, and Universities under project TEC2017- 86619-R (ARTEINE); by the Spanish Ministry of Science and Innovation and the Spanish Agency for Research within project ENHANCE-5G (PID2020-114172RB-C21 / AEI / 10.13039/501100011033) and by Spanish Ministry of Education under grant FPU18/02575.

Colecciones
  • Ingeniería Eléctrica, Electrónica, de Comunicaciones y de Sistemas [1087]
  • Investigaciones y Documentos OpenAIRE [8402]
  • Ponencias, Discursos y Conferencias [4231]
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