¹Dalian Jiaotong University, Dalian 032302, China
²University of Science and Technology Beijing, Beijing 100876, China

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Abstract—The Propagation of information in wireless sensor networks (WSN) is critical to the communication. It is necessary and important to design a suitable communication primitive. Among these communication primitives, one distinguished primitive is Publish/Subscribe Communication Generics. This paper introduces current middleware of wireless sensor networks; analyze layer structure and problems of middleware. Then we design a message-oriented middleware system named WMOS (Wireless Message-Oriented System) which is developed on TinyOS. WMOS has three features mainly: first, WMOS is a distributed middleware system which is well-adapted to scalable system. WMOS utilizes conception of fully distributed and modular to make it appropriate for practical implementations. Second, we supply self-adapt multilevel QoS service to save power effectively. Third, we introduce topic/content double mode based on XML matched in WSN application. It guarantees effective query information than other middleware.

Index Terms—Wireless sensor network, publish/subscribe, middleware, TinyOS

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Cite: Lifang Zhai, Chunyuan Li, Liping Sun , "Research on the Message-Oriented Middleware for Wireless Sensor Networks," Journal of Computers vol. 6, no. 5, pp. 1040-1046, 2011.