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A Dynamic Rain Attenuation Model for Adaptive Satellite Communication Systems  

Zhang, Meixiang (전북대학교 전자정보공학부 디지털통신시스템연구실)
Kim, Soo-Young (전북대학교 전자정보공학부 디지털통신시스템연구실)
Pack, Jeong-Ki (충남대학교 전파공학과)
Publication Information
Journal of Satellite, Information and Communications / v.6, no.1, 2011 , pp. 12-18 More about this Journal
Abstract
Signal fading due to rain is one of the most significant factors degrading link quality in satellite communication systems. Adaptive transmission is considered to be the most efficient means to countermeasure the rain attenuation. In order to develop and design a good adaptive transmission system, we need a dynamic rain attenuation model which can synthesize time series of rain attenuation. In this paper, we present a modeling technique for dynamic rain attenuation using a Markov process. We derive statistical fading properties of the rain attenuation data measured in second time interval and define four states in the Markov process. We synthesize the rain attenuation data using the 4-state Markov process, and compare statistical properties of the simulated data to those of the measured data.
Keywords
rain attenuation; rain fading; adaptive transmission; time-series generator; Markov chain;
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