Statistical estimation of structural reliability indicators of mobile data transmission systems

The central role of the infosphere in network-centric control systems for groups of mobile cyber-physical systems determines the fundamental importance of ensuring functional reliability and survivability of information interaction systems. One of the factors of functional reliability of information interaction systems is the structural reliability of data transmission systems. The work is devoted to the construction of descriptive models of structural reliability indicators of mobile data transmission systems under the influence of destructive effects on network channels and nodes. Using the method of simulation modeling, a study was conducted on the influence of edge destruction in a random graph on network connectivity depending on the indicator – the proportion of destroyed graph nodes. The features of the average values and stability of the indicator for different characteristics of random graphs are revealed. The influence of the mobility property of cyber-physical devices in the «swarm» group on the indicators of structural reliability – complexity and unevenness of load distribution between the nodes of the data transmission system is assessed. It is shown that the use of such a resource of mobile groups of cyber-physical systems as the ability of devices to move is a way to counter destructive effects. As a result of the movement of nodes, there is an increase in the stability of structural reliability indicators – the complexity of the structure and the uneven distribution of the load between network nodes.

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