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With the analysis of wireless sensor network clustering route mechanism, distributed energy-surplus and centralism distance clustering protocol (DECDC) has been proposed for dynamic optimization problem of wireless sensor network routing technology cluster head choice and clustering and inter-cluster route, in witch a node, according to its residual energy and the position and distance from sink node, independently makes its decision compete for becoming a cluster head. Moreover this protocol proposes a communication method, which based on the minimum way tree, causing cluster head to carry on according to the minimum gathering by tree. Experiment results have shown that compared with LEACH, in the same case, can lead to the increase of sensor network lifetime by 800% respectively,the energy consumption is more balance. So the reliability of sensing information in DECDC is higher than the other protocol.
Date of Conference: 10-12 Dec. 2008