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Open AccessFeature PaperArticle

Contribution to the Channel Path Loss and Time-Dispersion Characterization in an Office Environment at 26 GHz

1
iTEAM Research Institute, Universitat Politècnica de València, 46022 Valencia, Spain
2
Departamento de Ingeniería de Comunicaciones, Universidad de Cantabria, 39005 Santander, Spain
3
Escuela de Ingeniería Electrónica, Universidad Pedagógica y Tecnológica de Colombia, Sogamoso 152211, Colombia
4
Departamento de Tecnologías de la Información y las Comunicaciones, Universidad Politécnica de Cartagena, Cartagena, 30202 Murcia, Spain
*
Author to whom correspondence should be addressed.
Electronics 2019, 8(11), 1261; https://doi.org/10.3390/electronics8111261
Received: 7 October 2019 / Revised: 25 October 2019 / Accepted: 28 October 2019 / Published: 1 November 2019
(This article belongs to the Special Issue Millimeter-Wave (mmWave) Communications)
In this paper, path loss and time-dispersion results of the propagation channel in a typical office environment are reported. The results were derived from a channel measurement campaign carried out at 26 GHz in line-of-sight (LOS) and obstructed-LOS (OLOS) conditions. The parameters of both the floating-intercept (FI) and close-in (CI) free space reference distance path loss models were derived using the minimum-mean-squared-error (MMSE). The time-dispersion characteristics of the propagation channel were analyzed through the root-mean-squared (rms) delay-spread and the coherence bandwidth. The results reported here provide better knowledge of the propagation channel features and can be also used to design and evaluate the performance of the next fifth-generation (5G) networks in indoor office environments at the potential 26 GHz frequency band.
Keywords: 5G; mmWave; path loss; time-dispersion; delay-spread; coherence bandwidth; channel measurements 5G; mmWave; path loss; time-dispersion; delay-spread; coherence bandwidth; channel measurements
MDPI and ACS Style

Rubio, L.; Torres, R.P.; Rodrigo Peñarrocha, V.M.; Pérez, J.R.; Fernández, H.; Molina-Garcia-Pardo, J.-M.; Reig, J. Contribution to the Channel Path Loss and Time-Dispersion Characterization in an Office Environment at 26 GHz. Electronics 2019, 8, 1261.

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