Title :
Application of RBF neural networks to the prediction of propagation loss over irregular terrain
Author :
Fraile, Rubén ; Rubio, Lorenzo ; Cardona, Narcís
Author_Institution :
Dept. de Comunicaciones, Univ. Politecnica de Valencia, Spain
Abstract :
Point-to-point propagation models overcome the lack of accuracy of empirical models, at the expense of a large computation cost. Neural networks (NN´s) provide a half-way approach to propagation modelling. In this article, it is shown that RBF NN do provide a fast point-to-point prediction method. Results show that gain in computation time is achieved while maintaining a good performance
Keywords :
electromagnetic wave diffraction; radial basis function networks; radiowave propagation; RBF neural networks; irregular terrain; point-to-point propagation models; propagation loss prediction; radio propagation; Costs; Diffraction; Equations; Fresnel reflection; Neural networks; Prediction methods; Predictive models; Propagation losses; Radio transmitters; Spatial databases;
Conference_Titel :
Vehicular Technology Conference, 2000. IEEE-VTS Fall VTC 2000. 52nd
Conference_Location :
Boston, MA
Print_ISBN :
0-7803-6507-0
DOI :
10.1109/VETECF.2000.887127