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Technologies 2018, 6(2), 45; https://doi.org/10.3390/technologies6020045

High Density Interconnect Microstrip Patch Antenna for 5G Base Stations with Integrated Filtering Performance

1
ELEDIA Research Center (ELEDIA@UniTN—University of Trento), Via Sommarive 9, I-38123 Trento, Italy
2
ELEDIA Research Center (ELEDIA@UC3M—Universidad Carlos III de Madrid), Avenida de la Universidad 30, 28911 Leganés, Madrid, Spain
*
Author to whom correspondence should be addressed.
Received: 10 March 2018 / Revised: 24 April 2018 / Accepted: 24 April 2018 / Published: 27 April 2018
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Abstract

The elementary radiator of a planar array for next generation millimeter-wave (mm-wave) 5G base stations is described. The antenna is designed for high density interconnect (HDI) manufacturing for yielding a compact, densely-interconnected, and highly-integrable stacked structure. The layout of the single element is determined by directly optimizing key radiation features of the whole planar arrangement according to specific application-driven requirements. In addition, thanks to the exploitation of a spline-shaped modelling of the radiator, suitable performance in terms of impedance matching, realized gain, half-power beamwidth (HPBW), polarization purity, and inter-element isolation are achieved within the 28-GHz pass-band. Moreover, integrated out-of-band filtering capabilities are obtained in selected and wide non-contiguous stop-bands without additional circuitry. View Full-Text
Keywords: 5G base station; mm-wave antenna design; high density interconnect (HDI); filtering antenna; spline shape; embedded element analysis 5G base station; mm-wave antenna design; high density interconnect (HDI); filtering antenna; spline shape; embedded element analysis
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Salucci, M.; Castlunger, C.; Marcantonio, D.; Oliveri, G.; Robol, F.; Rosatti, P.; Tosato, L.; Zardi, F.; Massa, A. High Density Interconnect Microstrip Patch Antenna for 5G Base Stations with Integrated Filtering Performance. Technologies 2018, 6, 45.

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