Energy Consumption based Rejoin Procedure for Cluster Tree in 802.15.4 Sensor Networks
نویسندگان
چکیده
S.G.Santhi, Assistant professor, Department of Computer Science and Engineering, Annamalai University [email protected] Dr.K.Venkatachalapathy Professor, Department of Computer Science and Engineering, Annamalai University Abstract In this paper, we propose a method to save energy consumption for the rejoin procedure for Cluster Tree in 802.15.4 Sensor Networks .An improved node rejoin procedure has Cluster Head(CH) periodically calculates link quality (LQ) and broadcasts to its child nodes. By receiving LQ value, it stores in its Neighbor Quality (NQ) table. When a node lost its connection with its parent node, it selects the suitable parent node with high link quality. When two nodes have similar LQ value, it selects the suitable parent in terms of tree depth value. This process is completed by processing network response and reply message. Our rejoin procedure conserves more energy and incurs low delay.
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