Evaluation of One-Minute Integration Time Rain Rate Statistics in Ecuador for Radio Propagation Applications

In this letter, rain rate measurements performed in Ecuador are used to evaluate the performance of prediction models for estimating complementary cumulative distributions (CCDs) of rainfall rate at 1-minute integration time, which are required, for example, for rain attenuation estimation in wirele...

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Bibliographic Details
Published in:IEEE antennas and wireless propagation letters 2022-03, p.1-1
Main Authors: Pinto, Angel D., Perez Garcia, Nelson A., Lascano Filian, Xavier Antonio, Torres Tovio, Juan Manuel, Ramirez, Eduardo Jose, Aguilar Castro, Jose Lisandro, Garcia Hoyos, Rodrigo, Ramos Sanchez, Boris Gabriel, Albornoz Martos, Jose Manuel
Format: Article
Language:English
Subjects:
1-minute rainfall rate statistics
inter-annual variability
rain rate conversion models
rain rate direct prediction
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Summary:In this letter, rain rate measurements performed in Ecuador are used to evaluate the performance of prediction models for estimating complementary cumulative distributions (CCDs) of rainfall rate at 1-minute integration time, which are required, for example, for rain attenuation estimation in wireless communication systems operating at frequencies above 10 GHz. Additionally, the aforementioned measurements are utilized in order to analyze of the inter-annual variability of the rain rate, useful for the assessment of the reliability of the CCDs in terms of communication system availability. It was observed that overall the Recommendation ITU-R P.837-7 Annex 1 exhibited the best performance in estimating equivalent 1-min integration time rain rate statistics. Furthermore, it was found that the lowest level of inter-annual variability of the rainfall rate was observed in the western zone adjacent to the Andes Cordillera of Ecuador
ISSN:1536-1225
1548-5757
DOI:10.1109/LAWP.2022.3161903