Reference : Method of Rain Attenuation Prediction Based on Long–Short Term Memory Network
Scientific journals : Article
Engineering, computing & technology : Electrical & electronics engineering
Method of Rain Attenuation Prediction Based on Long–Short Term Memory Network
Cornejo, Andres mailto [Universidad Nacional Autonoma de Mexico]
Landeros, Salvador mailto [Agencia Espacial Mexicana]
Matias, Jose Maria mailto [Universidad Nacional Autónoma de México]
Ortiz Gomez, Flor de Guadalupe mailto [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > SigCom >]
Martinez, Ramon mailto []
Salas-Natera, Miguel A. mailto []
Neural Processing Letters
Kluwer Academic Publishers
Yes (verified by ORBilu)
[en] Machine Learning ; LSTM Network ; Satellite communications
[en] Rain attenuation events are one of the foremost drawbacks in satellite communications, impairing satellite link availability. For this reason, it is necessary to foresee rain events to avoid an outage of the satellite link. In this paper, we propose and develop a method based on Machine Learning to predict events of rain attenuation without appealing to complex mathematical models. To be specific, we implement a Long–short term memory architecture that is a Deep Learning algorithm based on an artificial recurrent neural network. Furthermore, supervised learning is the learning task for our algorithms. For this purpose, rain attenuation time-series feed the Long–short term memory network at the input to train it. However, the lack of a rainfall database hinders the development of a reliable prediction method. Therefore, we generate a synthetic rain attenuation database by using the recommendations of the International Telecommunication Union. Each model is trained and validated by computational experiments, employing statistical metrics to find the most accurate and reliable models. Thus, the accuracy metric compares the outcomes of the proposal with other related methods and models. As a result, our best model reaches an accuracy of 91.88% versus 87.99% from the external best model, demonstrating superiority over other models/methods. On average, our proposal accuracy reaches a value of 88.08%. Finally, we find out that this proposal can contribute efficiently to improving the performance of satellite system networks by re-routing data traffic or increasing link availabilities, taking advantage of the prediction of rain attenuation events.
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