Tropospheric scintillation with concurrent rain attenuation at 50 GHz in Madrid

García del Pino, Pedro; Riera Salis, Jose Manuel y Benarroch Vila, Ana (2012). Tropospheric scintillation with concurrent rain attenuation at 50 GHz in Madrid. "IEEE Transactions on Antennas and Propagation", v. 60 (n. 3); pp. 1578-1583. ISSN 0018-926X. https://doi.org/10.1109/TAP.2011.2180326.

Descripción

Título: Tropospheric scintillation with concurrent rain attenuation at 50 GHz in Madrid
Autor/es:
  • García del Pino, Pedro
  • Riera Salis, Jose Manuel
  • Benarroch Vila, Ana
Tipo de Documento: Artículo
Título de Revista/Publicación: IEEE Transactions on Antennas and Propagation
Fecha: Marzo 2012
Volumen: 60
Materias:
Escuela: E.U.I.T. Telecomunicación (UPM) [antigua denominación]
Departamento: Ingeniería Audiovisual y Comunicaciones [hasta 2014]
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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Resumen

Tropospheric scintillation can become a significant impairment in satellite communication systems, especially in those with low fade-margin. Moreover, fast amplitude fluctuations due to scintillation are even larger when rain is present on the propagation path. Few studies of scintillation during rain have been reported and the statistical characterization is still not totally clear. This paper presents experimental results on the relationship between scintillation and rain attenuation obtained from slant-path attenuation measurements at 50 GHz. The study is focused on the probability density function (PDF) of various scintillation parameters. It is shown that scintillation intensity, measured as the standard deviation of the amplitude fluctuations, increases with rain attenuation; in the range 1-10 dB this relationship can be expressed by power-law or linear equations. The PDFs of scintillation intensity conditioned to a given rain attenuation level are lognormal, while the overall long-term PDF is well fltted by a generalized extreme valué (GEV) distribution. The short-term PDFs of amplitude conditioned to a given intensity are normal, although skewness effects are observed for the strongest intensities. A procedure is given to derive numerically the overall PDF of scintillation amplitude using a combination of conditional PDFs and local statistics of rain attenuation.

Más información

ID de Registro: 16534
Identificador DC: http://oa.upm.es/16534/
Identificador OAI: oai:oa.upm.es:16534
Identificador DOI: 10.1109/TAP.2011.2180326
URL Oficial: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6107528
Depositado por: Memoria Investigacion
Depositado el: 14 Oct 2013 18:51
Ultima Modificación: 21 Abr 2016 16:52
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