Abstract
The space network is a new generation technology of satellites information transmission. It is a fully space based information system which owns the abilities including information automatic connection and retransmission, multiple nodes interconnection. The accessing resource plays an important role in the nodes interconnection. How to efficiently allocate the limited resource of links in space network is an important research subject in this area. This article proposes an improved genetic algorithm to solve the problem. The predictable orbit parameters of satellites are used to optimize the algorithm. The simulation results show that the algorithm achieves a higher user access rate and a lower link switching rate.
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