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Long‐Term Rain Attenuation Measurement for Short‐Range mmWave Fixed Link Using DSD and ITU‐R Prediction Models

Zahid, O.; Salous, S.

Long‐Term Rain Attenuation Measurement for Short‐Range mmWave Fixed Link Using DSD and ITU‐R Prediction Models Thumbnail


Authors

Othman Zahid othman.zahid@durham.ac.uk
PGR Student Doctor of Philosophy



Abstract

Several millimeter Wave (mmWave) bands, which suffer from rain attenuation, were identified in the World Radiocommunication Conference 2019 (WRC-19) for fifth generation (5G) radio networks. In this paper, long-term attenuation is measured over typical building to building radio links in the built environment, which constitute two 36 m links along a direct link and an indirect side link at 25.84 and 77.54 GHz and a 200 m link at 77.125 GHz. The attenuation was also estimated using precipitation data from a high end accurate disdrometer weather station using the drop size distribution and the International Telecommunication Union (ITU) models. The results indicate that attenuation using Mie theory is in agreement with the ITU model for most of the rainfall events; with higher attenuation being measured than predicted when snow grains and raindrops mix. Raindrops with diameter between 0.1 and 4 mm indicate that the dominant raindrops have considerable influence on the measured attenuation, especially at light and moderate rainfall events. The maximum distance factor restriction of 2.5 in ITU-R P.530-17 is shown not to be suitable for short-range fixed links as it excessively underestimates attenuation.

Citation

Zahid, O., & Salous, S. (2022). Long‐Term Rain Attenuation Measurement for Short‐Range mmWave Fixed Link Using DSD and ITU‐R Prediction Models. Radio Science, 57(4), https://doi.org/10.1029/2021rs007307

Journal Article Type Article
Acceptance Date Mar 29, 2022
Online Publication Date Apr 16, 2022
Publication Date 2022
Deposit Date May 16, 2022
Publicly Available Date May 16, 2022
Journal Radio Science
Print ISSN 0048-6604
Electronic ISSN 1944-799X
Publisher Wiley
Peer Reviewed Peer Reviewed
Volume 57
Issue 4
DOI https://doi.org/10.1029/2021rs007307
Public URL https://durham-repository.worktribe.com/output/1206059

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Publisher Licence URL
http://creativecommons.org/licenses/by/4.0/

Copyright Statement
This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.






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