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The Scientific World Journal - Volume 2014 2014, Article ID 654974, 9 pages -

Research ArticleSchool of Software Technology, Dalian University of Technology, Dalian 116620, China

Received 4 July 2014; Accepted 16 August 2014; Published 23 October 2014

Academic Editor: Fei Yu

Copyright © 2014 Jie Wang et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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.





Autor: Jie Wang, Kai Cui, Kuanjiu Zhou, and Yanshuo Yu

Fuente: https://www.hindawi.com/



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