Dual-polarisation reflectarray made of cells with two orthogonal sets of parallel dipoles for bandwidth and cross-polarisation improvement

Florencio Díaz, Rafael and Encinar Garcinuño, Jose Antonio and Rodríguez Boix, Rafael and Pérez Palomino, Gerardo (2014). Dual-polarisation reflectarray made of cells with two orthogonal sets of parallel dipoles for bandwidth and cross-polarisation improvement. "IET Microwaves, Antennas & Propagation", v. 8 (n. 15); pp. 1389-1397. ISSN 1751-8725. https://doi.org/10.1049/iet-map.2014.0202.

Description

Title: Dual-polarisation reflectarray made of cells with two orthogonal sets of parallel dipoles for bandwidth and cross-polarisation improvement
Author/s:
  • Florencio Díaz, Rafael
  • Encinar Garcinuño, Jose Antonio
  • Rodríguez Boix, Rafael
  • Pérez Palomino, Gerardo
Item Type: Article
Título de Revista/Publicación: IET Microwaves, Antennas & Propagation
Date: December 2014
ISSN: 1751-8725
Volume: 8
Subjects:
Freetext Keywords: reflectarray antennas, broadband antennas, dipole antenna arrays, polarisation
Faculty: E.T.S.I. Telecomunicación (UPM)
Department: Señales, Sistemas y Radiocomunicaciones
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

A reflectarray antenna has been proposed to provide broadband operation, low cross-polarisation and independent beamforming in dual linear polarisation. The reflectarray element consists of two orthogonal sets of three coplanar parallel dipoles, where each set of parallel dipoles is used for controlling the phase-shift of each polarisation. A focused beam 40 cm reflectarray has been designed, manufactured and tested. According to the experimental results, the antenna shows a 27% bandwidth for a gain of 32.9 dBi with a variation of 1 dB. The antenna efficiency is better than 60% and the maximum crosspolar radiation levels are at least 30 dB below the main beam co-polar levels for both linear polarisations. In addition, it has been demonstrated that the antenna performance is maintained when it is designed to provide two separate beams in each linear polarisation.

Funding Projects

TypeCodeAcronymLeaderTitle
Government of SpainTEC2010-17567UnspecifiedUnspecifiedUnspecified
Government of SpainTEC2013-43345-PUnspecifiedUnspecifiedUnspecified
Government of SpainCSD2008-00066UnspecifiedUnspecifiedUnspecified

More information

Item ID: 49086
DC Identifier: http://oa.upm.es/49086/
OAI Identifier: oai:oa.upm.es:49086
DOI: 10.1049/iet-map.2014.0202
Official URL: http://ieeexplore.ieee.org/document/6975775/
Deposited by: Memoria Investigacion
Deposited on: 22 Jan 2018 16:17
Last Modified: 22 Jan 2018 16:17
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