A Self-Organized Head Selection for Hierarchical Routing in Wireless Sensor Networks

Authors:
Heesang Lee;Kyuhong Lee;Younho Lee
Affiliations:
Dept. of Systems Management Eng., Sungkyunkwan University, Korea;Dept. of Systems Management Eng., Sungkyunkwan University, Korea;Dept. of Systems Management Eng., Sungkyunkwan University, Korea
Venue:
IWSOS '08 Proceedings of the 3rd International Workshop on Self-Organizing Systems
Year:
2008

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Abstract

Efficient energy consumption is critical for deployment and operation of wireless sensor networks (WSNs). There have been several suggestions using a hierarchical approach that organizes sensor nodes into clusters and uses one node as a cluster head to forward message received from its cluster member nodes to the base station of WSN. Efficient head selection is a major issue for the cluster-based hierarchical routing protocols. We propose a self-organized algorithms for cluster head selection and cluster-based routing. To decide cluster heads and organize cluster members, each sensor node uses only local information and simple rules which are inspired by nature. By these selforganized interactions among sensor nodes, the suggested method can form clusters for a WSN and decide routing paths efficiently. We compare our algorithms with two known routing protocols which are based on random head selections and transmitter-based code assignment schemes. In our computational experiments, we show that the energy consumption and the lifetime of our algorithm are better than those of the compared protocols.