H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 7/185 (2006.01) H04B 15/00 (2006.01) H04Q 7/22 (2006.01)
Patent
CA 2218668
The teaching of this invention pertains particularly to satellite communications systems using GSO or NGSO satellites. This invention employs data derived from signals of various types to derive a mathematical model of propagation related attenuation-inducing events so as to plan system resource allocation to minimize an amount of power required to close communication links between user terminals and the satellites. Disclosed are methods for modelling gateway to satellite links, as well as methods for modeling the user terminal to satellite links. This invention overcomes the problems inherent in the prior art by providing a direct measurement of severe path attenuation potential. The use of the teaching of this invention enables preplanning of the allocation of satellites and satellite resources by calculating a potential for signal path interference based on an external measurement of where rain attenuation may be located, and the real-time or approximately real-time tracking of rain cell activity within storm cells. Optimization of a global system of satellites is made possible, particularly in the context of a system of LEO satellites.
Globalstar L.p.
Sim & Mcburney
LandOfFree
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