Optical satellite communication with the advantages of broadband, large capacity and low power consuming broke the
bottleneck of the traditional microwave satellite communication. The formation of the Space-based Information System
with the technology of high performance optical inter-satellite communication and the realization of global seamless
coverage and mobile terminal accessing are the necessary trend of the development of optical satellite communication.
Considering the resources, missions and restraints of Data Relay Satellite Optical Communication System, a model of
optical communication resources scheduling is established and a scheduling algorithm based on artificial intelligent
optimization is put forwarded. According to the multi-relay-satellite, multi-user-satellite, multi-optical-antenna and
multi-mission with several priority weights, the resources are scheduled reasonable by the operation: “Ascertain Current
Mission Scheduling Time” and “Refresh Latter Mission Time-Window”. The priority weight is considered as the
parameter of the fitness function and the scheduling project is optimized by the Genetic Algorithm. The simulation
scenarios including 3 relay satellites with 6 optical antennas, 12 user satellites and 30 missions, the simulation result
reveals that the algorithm obtain satisfactory results in both efficiency and performance and resources scheduling model
and the optimization algorithm are suitable in multi-relay-satellite, multi-user-satellite, and multi-optical-antenna
recourses scheduling problem.
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