A power efficient routing protocol in wireless sensor networks

Authors:
Hyunsook Kim;Jungpil Ryu;Kijun Han
Affiliations:
Department of Computer Engineering, Kyungpook National University, Korea;Department of Computer Engineering, Kyungpook National University, Korea;Department of Computer Engineering, Kyungpook National University, Korea
Venue:
ICCS'05 Proceedings of the 5th international conference on Computational Science - Volume Part II
Year:
2005

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Abstract

Saving energy consumption for a long network lifetime is one of the most important issues in design of wireless sensor networks because they usually consist of a large number of nodes with limited battery power. In this paper, we propose a balanced tree construction scheme called BATR (Balanced Aggregation Tree Routing), which uses near optimal minimal spanning tree for balancing the power consumptions over all nodes. Our main idea is that if energy consumed for transmission and reception can be nicely balanced over all nodes, an optimal data aggregation can be achieved in terms of network lifetime. Simulation results assure that the BATR can lengthen system lifetime as compared with the conventional data aggregation protocols.