关键词: 分布式星群网络, 层次分析法, 卫星资源利用率, 接入策略

Abstract:

The distributed constellation network is a powerful weapon to win the future information warfare.  The access strategy is of great significance in distributed constellation network for promoting the ability to obtain aerospace information. An access strategy based on the Analytic Hierarchy Process (AHP) is proposed for the characteristics of the distributed constellation network,such as high dynamic topology and easily load utilization of satellite resources imbalances.Firstly,the weights of various indicators for the resource utilization rate are dynamically calculated using the analytic hierarchy process. Secondly,the resource utilization rate is dynamically adjusted according to the real time resources status of each satellite node.The simulation results demonstrate that the new call blocking rate and the forced discontinuity rate can be reduced by using the proposed strategy,thus solving the load balancing problem effectively and improving the allocation rationality of the group business in the distributed constellation network.
      

Key words: distributed constellation network;analytic hierarchy process;utilization of satellite resources;access strategy