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Abstract

A method for evaluating the performance of a LEOS system. The evaluation may determine the minimum and maximum number of hops or delay time required to service a particular source and destination pair or may evaluate the LEOS system as a whole. The evaluation may be used in the design of LEOS systems or to evaluate the performance of an existing LEOS system. This evaluation may then be employed to determine how and when the LEOS system should be employed in servicing communications. A LEOS system constellation is received that is to be considered. Then, a mathematical model for the LEOS system is determined. A source/destination location pair is then selected for consideration. Shortest, longest and intermediate path lengths are then determined for the source/destination location pair for the LEOS system. For each of these path lengths, the probability of occurrence of each of these path lengths as well as a corresponding delay is then determined. Further source/destination location pairs may then be selected for additional consideration. Once a sufficient number of source/destination location pairs have been considered, the performance of the LEOS system may then be evaluated.

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