Electromagnetic Waves Attenuation due to Rain: A Prediction Model for Terrestrial or L.O.S SHF and EHF Radio Communication Links |
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Authors: | Fidèle Moupfouma |
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Affiliation: | (1) Core Engineering, BOMBARDIER Aerospace, P.O. Box 6087, station Centre- ville Montréal, Québec, Canada, H3C 3G 9 |
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Abstract: | Because of the interest raised for SHF and EHF radio communications, the attenuation of electromagnetic waves by rain will
always constitute a major concern for telecommunication engineers and scientists. The rain attenuation prediction models exposed
in literature calculate the attenuation related to a given rain rate or else to a given percentage of time. The new model
proposed in this paper, predicts with a good accuracy the percentage of time for which any given rain attenuation will be
exceeded on terrestrial SHF, EHF radiowaves links, provided the rain rate R001 (mm/h) that represents rain rate value exceeded for 0.01% of time in the locality of interest is available. R001 (mm/h) data being available for most of the localities across the world in ITU-R data base, we may conclude that this new
model proposed here, can be broadly and successfully used. |
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Keywords: | Rain attenuation Terrestrial links Electromagnetic waves |
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