Preliminary Geometry Analysis for Compact Scanning and Multi-Beam Reflectarray Antennas

  1. Gómez Álvarez, Andrés 1
  2. Arrebola Baena, Manuel 1
  3. Rodríguez Pino, Marcos 1
  1. 1 Universidad de Oviedo
    info

    Universidad de Oviedo

    Oviedo, España

    ROR https://ror.org/006gksa02

Actas:
XXXVII Simposio Nacional de la Unión Científica Internacional de Radio (URSI 2022)

Año de publicación: 2022

Congreso: Simposium Nacional de la Unión Científica Internacional de Radio, URSI (37º. 2022. Málaga, España)

Tipo: Aportación congreso

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Resumen

This work presents a comparative study between two common compact configurations for reflectarray (RA) beam scanning in Ka-band: focal-arc and linear feed displacements. A reference phase-only design is defined for a collimated pattern, and the natural degradation caused by feed de-focusing is studied for each case. Practical considerations regarding the implementation of each solution are also discussed. Finally, the discrepancies between the presented phase-only study and a physical cell response are evaluated. A layout is defined, and its response is calculated for a set of feed positions considering the real incidence angles at each cell. These results are compared to the previous phase-only analysis.

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Información de financiación

This work was supported in part by Ministerio de Ciencia e Innovación and Agencia Española de Investigación within the project (PID2020-114172RB-C21 / AEI / 10.13039 / 501100011033); by Gobierno del Principado de Asturias under project AYUD/2021/51706; and by Ministerio de Educación y Formación Profesional under grant FPU20/07267.

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