【摘要】 为均衡能量效率不等聚类(EEUC)机制的能耗,提出一种改进的EEUC机制。在簇首选举部分对门限函数进行改进,引入能量项和距离项,保证剩余能量越大、距离基站越近、担任簇首节点次数少的节点更有机会成为候选簇首节点;对规模较大的簇进行节点分组,由各分组的中心节点代替簇首节点执行各自分组内成员节点的数据采集与融合任务,簇首节点只与各分组中心节点进行通信,均衡簇内节点能耗。实验结果表明,改进的EEUC机制的簇首节点能耗低,网络生命周期长。更多还原

【Abstract】 To balance the energy consumption of energy-efficient unequal clustering(EEUC)mechanism,an improved EEUC mechanism was proposed.The threshold function of cluster head election was improved by introducing energy and distance term,to ensure that the nodes with larger residual energy and fewer times as cluster head,which were closer to base station,were more likely to become a candidate cluster head.Node grouping was executed on clusters with larger scale,and the center nodes of each group were used instead of the cluster head nodes to perform the data acquisition and fusion tasks of the member nodes in the respective groups.The cluster head node only communicated with each center node,so as to balance the energy consumption of nodes in the clusters.Experimental results show that the improved EEUC mechanism has lower energy consumption of cluster head nodes and longer network life.更多还原