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Erschienen in:
2006 | OriginalPaper | Buchkapitel
Design of Maximum Remaining Energy Constrained Directed Diffusion Routing for Wireless Sensor Networks
verfasst von : An Kyu Hwang, Jae Yong Lee, Byung Chul Kim
Erschienen in: Computational Science and Its Applications - ICCSA 2006
Verlag: Springer Berlin Heidelberg
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Since the sensor network nodes have a small size and limited battery power, there have been many studies for reducing their energy consumption. Each sensor node can show different energy usage according to the frequency of event sensing and data transmission, and thus they have different lifetime. So, some nodes may run out of energy that causes disconnection of paths and reduction of network lifetime. In this paper, we propose a new energy-efficient routing algorithm for sensor networks called Maximum remaining energy constrained directed diffusion routing (MRE-DD), that selects a least energy-consuming path among the paths formed by nodes with highest remaining energy, and thus provides long network lifetime and more uniform energy consumption by nodes. Simulation results show that our algorithm extends the network lifetime and enhances the network reliability by maintaining remaining energy distribution relatively uniform among sensor nodes.