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Empirical characterization of the indoor radio channel for array antenna systems in the 3 to 4 GHz frequency band

Abstract: Concerning the design and planning of new radio interfaces for the fifth-generation (5G) systems, this paper presents a useful contribution to the characterization of the wideband indoor radio channel in the 3-4-GHz frequency band. A measurement campaign has been carried out in two different indoor scenarios to analyze some of the most important wideband parameters of the propagation channel, including a thorough analysis of its behavior to meet the new radio technology challenges. The channel measurement setup consists of a virtual vertical uniform array at the receiver side of the link that remains at a fixed position, whereas the transmitter side, which is equipped with a single antenna, is placed at different positions in the environment under analysis. The measurement setup emulates the up-link of a multi-user multiple-input multiple-output (MIMO) system and allows obtaining the broadband parameters of the multiple channels that are established between the transmitter and each one of the antennas of the receiver array. The results and conclusions about the path loss, temporal dispersion, and coherence bandwidth are included, along with an analysis of the spatial correlation between wideband channels when one of the antennas is an array.

 Autoría: Perez J., Torres R., Rubio L., Basterrechea J., Domingo M., Penarrocha V., Reig J.,

 Fuente: IEEE Access, 2019, 7, 94725-94736

Editorial: Institute of Electrical and Electronics Engineers Inc.

 Fecha de publicación: 01/07/2019

Nº de páginas: 12

Tipo de publicación: Artículo de Revista

DOI: 10.1109/ACCESS.2019.2928421

ISSN: 2169-3536

Proyecto español: TEC2017-86779-C2-1-R ; TEC2017-86779-C2-2-R

Url de la publicación: https://www.doi.org/10.1109/ACCESS.2019.2928421

Autores/as

RUBIO ARJONA, LORENZO

VICENT MIQUEL RODRIGO PEÑARROCHA

REIG PASCUAL, JUAN