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E-band backhaul antenna for fine beam alignment

Published online by Cambridge University Press:  29 September 2023

Carmine Mustacchio*
Affiliation:
MAIC Lab: Dipartimento di Ingegneria Informatica, Modellistica, Elettronica e Sistemistica (DIMES), Università della Calabria, Rende, Italy
Emilio Arnieri
Affiliation:
MAIC Lab: Dipartimento di Ingegneria Informatica, Modellistica, Elettronica e Sistemistica (DIMES), Università della Calabria, Rende, Italy
Giandomenico Amendola
Affiliation:
MAIC Lab: Dipartimento di Ingegneria Informatica, Modellistica, Elettronica e Sistemistica (DIMES), Università della Calabria, Rende, Italy
Alessandro Fonte
Affiliation:
Microwave Components Research and Development Laboratories, SIAE Microelettronica, Cologno Monzese, Italy
Riccardo Maggiora
Affiliation:
Department of Electronics and Telecommunications, Politecnico di Torino, Turin, Italy
Luigi Boccia*
Affiliation:
MAIC Lab: Dipartimento di Ingegneria Informatica, Modellistica, Elettronica e Sistemistica (DIMES), Università della Calabria, Rende, Italy
*
Corresponding authors: Carmine Mustacchio; Email: c.mustacchio@dimes.unical.it; Luigi Boccia; Email: luigi.boccia@unical.it
Corresponding authors: Carmine Mustacchio; Email: c.mustacchio@dimes.unical.it; Luigi Boccia; Email: luigi.boccia@unical.it

Abstract

An E-band Cassegrain switched beam high-gain antenna concept for 5G backhauling systems is proposed in this article. The antenna requirements target the compensation of small misalignments (within ±1 degrees in both azimuth and elevation planes) in E-band backhauling links due to adverse weather conditions or thermal deformations. The intended antenna is able to realize beam-switching operations by using a feed-array architecture based on a 7 × 7 array of cavity-backed magnetoelectric (ME) dipoles, where every element is capable of providing a steering of ±0.33 degrees in both the elevation and the azimuth planes. The ME dipole illuminators combined with a Cassegrain reflector provide a gain of 52 dBi within the whole scanning range. Besides, they can be easily integrable with the front-end modules, thus being an easily implementable and low-cost alternative to other more complex solutions based on horns or lens antennas.

Type
Research Paper
Copyright
© The Author(s), 2023. Published by Cambridge University Press in association with the European Microwave Association

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Footnotes

Present address: Carmine Mustacchio; ST Microelectronics; Grenoble, France

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