Abstract
Due to the limited resources of wireless sensor network, low efficiency of real-time communication scheduling, poor safety defects, and so forth, a queuing performance evaluation approach based on regular expression match is proposed, which is a method that consists of matching preprocessing phase, validation phase, and queuing model of performance evaluation phase. Firstly, the subset of related sequence is generated in preprocessing phase, guiding the validation phase distributed matching. Secondly, in the validation phase, the subset of features clustering, the compressed matching table is more convenient for distributed parallel matching. Finally, based on the queuing model, the sensor networks of task scheduling dynamic performance are evaluated. Experiments show that our approach ensures accurate matching and computational efficiency of more than 70%; it not only effectively detects data packets and access control, but also uses queuing method to determine the parameters of task scheduling in wireless sensor networks. The method for medium scale or large scale distributed wireless node has a good applicability.
Highlights
Most wireless sensor network (WSN) missions are to detect and environmental reporting events
Since wireless sensor networks usually work under severe environments, their performance is often difficult or impossible to assess accurately
The matching method in some extent can maintain the precision and accuracy in some systems; it can be used in a specific environment; the performance of the evaluation in the wireless sensor network (WSN) that we had researched is in the universal environment; it is necessary to consider the problem of the restrictions, such as the capacity of the buffer, the length of the queue in the processing time, the performance of the calculation that needs enough buffer for the task processing, and the work conditions
Summary
Most wireless sensor network (WSN) missions are to detect and environmental reporting events. Since wireless sensor networks usually work under severe environments, their performance is often difficult or impossible to assess accurately. How to evaluate the performance in the wireless sensor network for task communication is the research emphasis in recent years, which becomes one of the most attractive. Most current researches have focused on how to provide authentication, confidentiality, integrity, nonrepudiation, and access control ad hoc [1, 2]. Distributed authentication is a very common approach to solve ad hoc security issues [3, 4]. Highly secure ad hoc approach in certain circumstances the lack of a common approach [5, 6]
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