Examination of existent propagation models over large inhomogeneous terrain profiles using fast integral equation solution
Date
2005-09
Authors
Tunc, C. A.
Altintas, A.
Ertürk, V. B.
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Source Title
IEEE Transactions on Antennas and Propagation
Print ISSN
0018-926X
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Publisher
Institute of Electrical and Electronics Engineers
Volume
53
Issue
9
Pages
3080 - 3083
Language
English
Type
Article
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Abstract
The accuracyof most widelyused empirical models are investigated using the spectrallyaccelerated forward-backward (FBSA) method as a benchmark solution. First, FBSA results are obtained for propagation over large scale terrain profiles and compared with measurements to assess the accuracyof FBSA. Then, accuracyof some International Telecommunication Union (ITU) and Federal Communications Commission (FCC) propagation models are investigated. It has been observed that, for rural areas, the prediction of the most recent ITU recommended propagation model (Rec. 1546) deviates much more than older models do.
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Keywords
Federal Communications Commission (fcc) Curves, International Telecommunication Union (ITU) recommendations, Propagation models, Forward-backward Spectral Acceleration (fbsa) Method, Rough surface scattering