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- 2012-11-26
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Description: Based on earth-satellite geometry, an analytical
model is proposed to predict the probability density function
(pdf) of elevation angles from an earth station to a circular
low-earth-orbit (LEO) satellite constellation. Unlike currently
available empirical models using a great deal of path data for
model-fitting to obtain results applicable only to the specified
systems (for example, the Iridium or Globalstar systems), the
proposed model is fast, exact and provides greater flexibility
for the user-specified satellite systems. The results may help to
develop the LEO satellite communication channel models under
the propagation environments characterized by various empirical
elevation-angle-dependent channel models.
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