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Dual-Polarization and Dual-Band Conical-Beam Array Antenna Based on Dual-Mode Cross-Slotted Cylindrical Waveguide

Author
Sanchez-Olivares, Pablo; Masa Campos, José Luisuntranslated; Garcia-Marin, Eduardo
Entity
UAM. Departamento de Tecnología Electrónica y de las Comunicaciones
Publisher
Institute of Electrical and Electronics Engineers Inc. (IEEE)
Date
2021-06-28
Citation
10.1109/ACCESS.2021.3093204
IEEE Access 9 (2021): 94109-94121
 
 
 
ISSN
2169-3536 (online)
DOI
10.1109/ACCESS.2021.3093204
Funded by
This work was supported by the Spanish Government through the Agencia Estatal de Investigación / Fondo Europeo de Desarrollo Regional, Unión Europea (AEI/FEDER, UE) under Grant TEC2016-76070-C3-1-R and in part under Grant PID2020-116968RB-C32
Project
Gobierno de España. TEC2016-76070-C3-1-R; Gobierno de España. PID2020-116968RB-C32
Editor's Version
https://doi.org/10.1109/ACCESS.2021.3093204
Subjects
Antenna arrays; Microwave antenna arrays; Slot antennas; Telecomunicaciones
URI
http://hdl.handle.net/10486/701147
Rights
© The author(s)

Licencia Creative Commons
Esta obra está bajo una Licencia Creative Commons Atribución 4.0 Internacional.

Abstract

Two designs of conical-beam array antennas are presented for different fifth-generation applications. They are based on slotted cylindrical waveguides and a travelling-wave topology, where the waveguide is used to progressively excite a cross-slot array. A total of 384 cross-slots, formed by transversal and longitudinal slots, are grouped in rings of eight equally-spaced cross-slots. The propagation of TM01 and TE01 modes in the cylindrical waveguide can provide dual polarization by the independent excitation of transversal and longitudinal slots, respectively. Firstly, a dual linearly-polarized antenna design in the 37-40 GHz band is presented, conforming a high-gain conical-beam pattern. Secondly, a similar antenna design working in the 5G dual-band of 26-30 GHz and 37-40 GHz is also presented. In this last case, transversal and longitudinal slots are designed to radiate at two different frequency bands of 26-30 GHz (vertical polarization) and 37-40 GHz (horizontal polarization), recently assigned for very high-speed 5G applications. The dual-band design has been prototyped by combining 3D-printing and CNC milling techniques to experimentally validate the proposed topology, providing high experimental performance. Directive tilted omnidirectional coverages with peak realized gains around 14 dBi have been obtained, as well as a total efficiency between 83% and 90% for both frequency bands
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Google™ Scholar:Sanchez-Olivares, Pablo - Masa Campos, José Luis - Garcia-Marin, Eduardo

This item appears in the following Collection(s)

  • Producción científica en acceso abierto de la UAM [17777]

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All the documents from Biblos-e Archivo are protected by copyrights. Some rights reserved.
Universidad Autónoma de Madrid. Biblioteca
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