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Quasi-optics-inspired low-profile endfire antenna element

Abstract: In this paper, the design, operational principle and experimental validation of an endfire antenna element that is inspired by the energy-focusing characteristics of graded-index optical fibre are presented. The antenna operates with a bandwidth of 1.5?GHz centred around 14?GHz. It has a gain of around 5.5 dBi along the band of interest and a good pattern stability over the band. The antenna derives its unique nature from the arrangement of the arc-shaped parasitics, that couple onto the antenna´s driver dipole. An electromagnetic refractive index retrieval mechanism is used to guide the placement of the parasitics to enhance the gain. In addition to the design principle, a parametric study of the main parameters and their influence on the antenna behaviour is presented. The antenna is a potential candidate for use in multi-user massive MIMO antenna arrays for 5G communications where space is premium and in antenna array applications where a low-profile antenna element with a high gain is a necessity.

 Autoría: Basavarajappa V., Exposito B., Cabria L., Basterrechea J.,

 Fuente: EURASIP Journal on Wireless Communications and Networking, 2019, 2019:181

Editorial: SpringerOpen

 Fecha de publicación: 01/12/2019

Nº de páginas: 15

Tipo de publicación: Artículo de Revista

 DOI: 10.1186/s13638-019-1504-3

ISSN: 1687-1472,1687-1499

Url de la publicación: https://doi.org/10.1186/s13638-019-1504-3