TELETRAFFIC ANALYSIS AND SIMULATION FOR NONGEOSTATIONARY MOBILE SATELLITE SYSTEMS

In this paper, the teletraffic performance parameters of a nongeostati onary satellite system are estimated through analytical and simulation methods, In order to reduce the number of assumptions, the simulation tool that was developed emulates a mobile satellite system that is cl oser to the real thing. Parameters of interest include blocking, hando ver failure, noncompletion, and forced-termination probabilities, Thes e are analyzed in terms of variations in satellite spot cells coverage , overlapping between cells, and in terms of a mobility factor, Additi onally, the effect on the grade of service of different channel assign ment strategies, for handover purposes, are investigated, Results will show that the analytical work is in good agreement with the simulatio n outcome.