摘要
针对无线传感器网络节点在数据传输过程中易面临能量耗尽和数据拥塞失效的问题,通过构建节点可靠度模型,获得了网络在保证节点可靠度最大且网络生存时间最长的条件下最优节点度的取值。进而依据最优节点度的取值,提出了一种基于节点度调整的无线传感器网络拓扑控制算法(TCNR)。仿真实验结果表明,TCNR算法极大减少了拓扑数据传输过程中的拥塞程度,增强了拓扑结构的健壮性,并有效延长了网络生存时间。
During data transmission in Wireless Sensor Network（WSN）,the nodes are always faced with the problems of energy depletion and data congestion.To solve these problems,this paper establishes a mathematical model of node reliability,and the optimal value of the node degree is obtained by maximizing the node reliability and the network lifetime.Then,in accordance with the optimal value of the node degree,a Topology Control based on Node Reliability（TCNR）algorithm is put forward.Simulation results show that the TCNR algorithm can greatly reduce the congestion degree in data transmission,enhance the robustness of the topological structure,and effectively prolong the WSN lifetime.
出处
《吉林大学学报（工学版）》
EI
CAS
CSCD
北大核心
2018年第2期571-577,共7页
Journal of Jilin University:Engineering and Technology Edition
基金
陕西省自然基础研究计划面上项目(2017JM6096)
西安市科技计划项目(2017076CG/RC039(XAHK001))
关键词
计算机应用
无线传感器网络
拓扑控制
数据拥塞
能量耗尽
computer application
wireless sensor networks
topology control
data congestion
energy depletion
