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Circularly polarized ferrite patch antenna for LEO satellite applications

Published online by Cambridge University Press:  31 October 2019

E. Arnaud Open the ORCID record for E. Arnaud [Opens in a new window] ,
L. Huitema ,
R. Chantalat ,
A. Bellion  and
T. Monediere
E. Arnaud*
Affiliation:
XLIM – CNRS, 123 Avenue Albert Thomas, 87060 Limoges Cedex, France
L. Huitema
Affiliation:
XLIM – CNRS, 123 Avenue Albert Thomas, 87060 Limoges Cedex, France
R. Chantalat
Affiliation:
CISTEME, 12 rue Gémini 87069 Limoges Cedex, France
A. Bellion
Affiliation:
CNES, 18 avenue Edouard Belin, 31401 – Toulouse, France
T. Monediere
Affiliation:
XLIM – CNRS, 123 Avenue Albert Thomas, 87060 Limoges Cedex, France
*
Author for correspondence: E. Arnaud, E-mail: eric.arnaud@xlim.fr
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Abstract

This paper presents the capacity of an S band circularly polarized patch antenna using a ferrite material for low-earth orbiting satellites (2025–2100 MHz for TeleCommand) to obtain a semi-isotropic radiation pattern. Indeed, circularly polarized antennas are generally large and bulky which is often incompatible for spatial applications especially for small satellites. A new antenna design is proposed with the following maximum dimensions: a diameter of 80 mm and a height of 12 mm. The structure presents an axial ratio lower than 6 dB (according to requirements) and a realized gain higher than −6 dB over a 4% bandwidth at the limit of coverage i.e. 90° irrespective of the azimuth angle (φ).

Keywords

Circularly polarized patch antennaferrite substratespace applications
Type
Research Papers
Information
International Journal of Microwave and Wireless Technologies , Volume 12 , Issue 4 , May 2020 , pp. 332 - 338
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2019

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