A residual energy-based MAC protocol for wireless sensor networks

Authors:
Long Tan;Jinbao Li;Jianzhong Li
Affiliations:
School of Computer Science and Technology, Heilongjiang University, Harbin, China;School of Computer Science and Technology, Heilongjiang University, Harbin, China;School of Computer Science and Technology, Heilongjiang University, Harbin, China
Venue:
APWeb'06 Proceedings of the 2006 international conference on Advanced Web and Network Technologies, and Applications
Year:
2006

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Abstract

The Residual Energy-Based MAC Protocol (REB MAC) presented in this paper is aimed to solve the problems of how to reduce the collisions from interfering nodes in event-driven wireless sensor networks, how to promote the communication efficiency of the system and how to ensure a balance energy consumption of WSN, etc. We combine node’s residual energy with node’s orientation in a shared wireless channel, and provide different back-off intervals for nodes having different residual-energy and in different orientation so as to reduce the collisions among neighbor nodes and promote the communication efficiency of the system. In many sensor applications, not all the nodes that sense an event need to report it. Only some of them need to report. So this paper provides a design of using parts of nodes for data transmission so that we can save the energy and balance the energy consumption between neighbor nodes.