Rain Attenuation Time Series Synthesizer Based on the Gamma Distribution

This letter describes the application of rain attenuation time series synthesizers to terrestrial links in tropical regions. A model based on the Gamma distribution is developed and results are compared to those obtained with a lognormal synthesizer. The model parameters were retrieved from data col...

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Bibliographic Details
Published in:IEEE antennas and wireless propagation letters 2011, Vol.10, p.1381-1384
Main Authors: Andrade, F. J. A., da Silva Mello, L. A. R.
Format: Article
Language:English
Subjects:
Attenuation
Mathematical model
Maximum likelihood detection
Nonlinear filters
Rain
Rain attenuation
stochastic model
Synthesizers
terrestrial links
Time series analysis
time series synthesizer
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Summary:This letter describes the application of rain attenuation time series synthesizers to terrestrial links in tropical regions. A model based on the Gamma distribution is developed and results are compared to those obtained with a lognormal synthesizer. The model parameters were retrieved from data collected during two years of experimental measurements at terrestrial links operating at 15 GHz. Long-term statistics of rain attenuation and fade slope obtained from synthesized time series are tested against the corresponding ones derived from experimental data. Useful empirical expressions for the synthesizers dynamics parameters are derived.
ISSN:1536-1225
1548-5757
DOI:10.1109/LAWP.2011.2178227