A short description of “Signal Fading Statistics”

A short description of “Signal Fading Statistics”

  • The rapid variations (fast fading) in signal power caused by local multipaths are represented by Rayleigh distribution.
  • The long-term variations in the mean level are denoted by lognormal distribution.
  • With a LOS propagation path, the Rician distribution is often used for fast fading.
  • Thus, the fading characteristics of a mobile radio signal are described by the following statistical distributions:
    – Rayleigh Distribution
    – Rician Distribution
    – Lognormal Distribution

#Ref book: Wireless Communication and Networking – V.K. Garg

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