Research on the Message-Oriented Middleware for Wireless Sensor Networks

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Executive Summary

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 the authors 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, they supply self-adapt multilevel QoS service to save power effectively.

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