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Urban public safety emergency management early warning system based on technologies for the Internet of Things(IOT) can realize the function of omni-directional monitoring and control, accurate prediction and efficient disposal. The rescue mechanism of a unified command, complete function and response sensitivity, and operate efficient be formed by the system. And improve the city's ability to withstand to public emergencies have great significance. In this paper, the current research situation for Internet of Things application in the field of public safety is introduced. The characteristic,structure and constitution are expatiated in details with illustration. Then the software and hardware platform,and the system function are analyzed. The key technologies and the technical research routes of the system are expounded.
Du et al. (Sun,) studied this question.