The time variant communication network is divided into a number of time slice communication networks by the time slice. We calculate the degree of concussion of node load redistribution to the nearest neighbor node, and regard it as the importance of nodes in the time slice communication network. Because of the different importance of each time slice, the concept and calculation method of the importance of the time slice communication network are put forward. Finally, the importance of the communication node in the whole communication period is the result of the importance of the node and the importance of the network.

Evaluation Method for Node Importance of Communication Network Based on Complex Network Analysis.

Spatial information network itself is a comprehensive information network with multiple functions, which plays an important role in information acquisition, attack support, navigation and positioning, etc. In order to describe the function of spatial information network in detail, the combat ring theory is introduced to model the nodes, inter-satellite links and earth-satellite links of the network. At the same time, due to its complex and dynamic nature, Different from conventional combat network, the time accumulation graph model is introduced to further describe the network model, so as to truly reflect the support and attack capability of spatial information network under the combat background. 

Research on modeling of spatial information network based on combat ring

Spatial information network, as a typical functional network, plays a key role in the task system. On the basis of analyzing the topological structure of spatial information network, this paper uses the operational ring theory to describe the functions of nodes and edges in the network, introduces the time accumulation graph model to model the network, and defines the vulnerability index of the spatial information network according to the number and value of operational rings in the network. Then the experimental simulation is used to compare several different measures of vulnerability, and the experiment proves that compared with other measures, the vulnerability measure considering spatial information network tasks will degrade the performance faster when the network is attacked, so it is more effective.

Vulnerability analysis of mission-based spatial information networks

Study on Key Nodes Analysis Method of Space Information Network

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Study on Key Nodes Analysis Method of Space Information Network