文献类型： 会议论文
第一作者： LI Qing-xue
作者： LI Qing-xue 1 ; MIAO Yi-sheng 1 ; YUAN Ling 2 ; WU Hua-rui 1 ;
作者机构： 1.Beijing Research Center for Information Technology in Agriculture, Beijing Academy of Agriculture and Forestry Sciences
2.Computer Center of Peking University
关键词： Energy heterogeneous;Farmland wireless sensor network;Cluster-head Selection;Power consumption balance
会议名称： International Conference on Machinery Electronics and Control Engineering
主办单位：
页码： 985-990
摘要： Power consumption is a key point of WSN (Wireless Sensor Network) lifespan. Because of difference among monitoring objects and complex signal channel condition, the power consumption of each node in farmland WSN is uneven, which makes the network performing as multi-level energy heterogeneous. LEACH and its improving algorithms average the power consumption between nodes by clustering and cluster-head switching. But the cluster-head voting brings a lot extra power consumption. To solve this problem, this paper proposes EACHS (Energy Approximation Cluster-Head Selection), an optimized cluster-head selection mechanism that approximates the energy of cluster-head targeting the lowest energy level in the network. When approaching the target, the current cluster-head collects the energy status of all nodes and determines which one becoming the new cluster-head. The simulation results show that, EACHS can balance the network power consumption and reduce most protocol cost, prolong the overall network lifespan.
分类号： tp273-53
- 相关文献
[1]Optimization of Energy Heterogeneous Cluster-Head Selection in Farmland WSN. Miao Yi-sheng,Wu Hua-rui,Li Qing-xue,Miao Yi-sheng,Wu Hua-rui,Li Qing-xue,Miao Yi-sheng,Wu Hua-rui,Li Qing-xue,Yuan Ling. 2014
[2]Clustering Nodes Selection Mechanism in Energy Heterogeneous Farmland Wireless Sensor Networks. Liu, Dayong,Liu, Dayong,Zhao, Chunjiang,Wu, Huarui,Li, Feifei,Zhao, Chunjiang,Wu, Huarui,Li, Feifei. 2016
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