Statistics of rain attenuation revisited

Ifiok Otung, J. Bach Anderson, P. C. F. Eggers

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Abstract

Millimeter frequency satellite links are prone to variations in attenuation over a large range due to rain, more than 30 dB. Traditionally, it has been considered to be part of meteorological conditions, unavoidable variations. Statistical distributions have been fit-to-data type with little or no physical insight. It is the purpose of this paper to test the hypothesis that the dynamic variations are Ricean or Rayleigh type fading, caused by multipath from the rain. This opens the possibility of exact distributions of Doppler variations and of the recently studied rain fade slope, which must follow a Student's t-distribution with the Doppler spread as parameter. The theory is tested on experimental data published in [1]
Original languageEnglish
Title of host publicationProceedings of the XXXth URSI General Assembly and Scientific Symposium
Subtitle of host publication13-20 August 2011
PublisherInstitute of Electrical and Electronics Engineers
Pages1-4
DOIs
Publication statusE-pub ahead of print - 13 Aug 2011
Event XXXth URSI General Assembly and Scientific Symposium - Istanbul, Turkey
Duration: 13 Aug 201120 Aug 2011

Conference

Conference XXXth URSI General Assembly and Scientific Symposium
Period13/08/1120/08/11

Keywords

  • rain attenuation
  • ricean distribution
  • multipath

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