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Emergency mobile communication system is an important means of emergency rescue. To assess network performance rapidly under different scenarios is the important basis for research- ing the organization and application of emergency mobile communication system, which plays an important role for making effec-tive emergency plans and making full use of emergency communi- cation system. In this paper, a control node optimization selection algorithm is proposed based on the idea of graph theory in order to solve the problem of control nodes selection in the mine emergency communication. This algorithm will be set up to the least number of controlled nodes and the maximum time delay as the optimization goal to choose a certain number of control nodes. the experimental results showed that the algorithm is effective.

Research on the selection algorithm of control nodes of emergency communication system in the coal mine