Publication:
High-yield waveguide diplexer for low-cost E-band 5G point-to-point radio links

Date

2022

Director

Publisher

IEEE
Acceso abierto / Sarbide irekia
Contribución a congreso / Biltzarrerako ekarpena
Versión aceptada / Onetsi den bertsioa

Project identifier

AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/TEC2017-85529-C3-2-R/ES/recolecta
Métricas Alternativas

Abstract

This paper presents the design and realization of a high-yield tuning-less waveguide diplexer and a high-gain lens horn antenna for 5G point-to-point fixed-beam communications at the frequency ranges of 71/76 GHz and 81/86 GHz (E-band). The diplexer is composed of two bandpass filters based on the combination of a low-pass filtering function and a high-pass structure. The diplexer provides very relaxed fabrication tolerances. A prototype has been fabricated and measured showing return loss better than 20 dB and attenuation levels higher than 60 dB. The insertion loss is better than 1 dB. A lens horn antenna which provides more than 38 dBi gain is utilized to provide high directivity at the same frequencies. The proposed sub-system combines the advantages of high-performance and simple mechanical assembly finding, it especially attractive for 5G applications due to the reduced fabrication cost.

Description

Keywords

5G, Diplexer, E-band, Point-to-point radio-link, Waveguide

Department

Ingeniaritza Elektrikoa, Elektronikoaren eta Telekomunikazio Ingeniaritzaren / Institute of Smart Cities - ISC / Ingeniería Eléctrica, Electrónica y de Comunicación

Faculty/School

Degree

Doctorate program

item.page.cita

F. Teberio, I. Calero, I. Arregui, P. Martin-Iglesias, J. Teniente and M. A. G. Laso, "High-Yield Waveguide Diplexer for Low-Cost E-band 5G Point-to-Point Radio Links," 2021 51st European Microwave Conference (EuMC), 2022, pp. 696-699, doi: 10.23919/EuMC50147.2022.9784340.

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