摘要
传感器节点随机部署导致的分布不均匀往往会使无线传感器网络的感测区域产生覆盖空洞或冗余覆盖,严重影响网络性能,因此需要重部署对网络拓扑进行修复。总结和分析近年来重部署相关的主要研究方向和成果。首先回顾了三种基础的节点感测模型;再从研究问题、策略设计优化目标和分类方法等三个方面对节点的重部署进行了全面的梳理;然后着重针对典型的传感器节点和Sink节点的重部署策略进行分类解释和比较分析;最后讨论强化学习框架下的节点重部署策略和安全监测需求下无线传感器网络迁移部署,并指出重部署策略的应用前景与发展趋势以及未来的优化方向。
The uneven distribution caused by the random deployment of sensor nodes often leads to coverage holes or redundant coverage in the sensing region of wireless sensor network,which severely affects the network performance.Therefore,it is necessary to redeploy the sensor nodes to repair the network topology.This paper summarized and analyzed the major research directions and achievements related to the nodes redeployment in recent years.Firstly,it reviewed the three basic sensing models.Secondly,it gave a comprehensive overview about the nodes redeployment from three perspectives:research questions,optimization objectives for strategy design,and classification methods.Thirdly,it classified and analyzed the redeployment strategies of typical sensor nodes and Sink nodes.Finally,it discussed the nodes redeployment strategy under reinforcement learning framework and the relocation of wireless sensor network under security monitoring requirements,and pointed out the application prospect,development trend and future optimization direction of redeployment strategy.
作者
王明华
黄畅
王彦
杨金涛
Wang Minghua;Huang Chang;Wang Yan;Yang Jintao(School of Electrical Engineering,University of South China,Hengyang Hunan 421001,China;Hunan Provincial Key Laboratory of Ultrafast Micro-Nano Technology&Laser Advanced Manufacturing,University of South China,Hengyang Hunan 421001,China)
出处
《计算机应用研究》
CSCD
北大核心
2023年第4期978-986,共9页
Application Research of Computers
基金
国家自然科学基金面上项目(61971215)
湖南省自然科学基金面上项目(2020JJ4526)
湖南省教育厅科学研究重点项目(21A0276)
超高速微/纳米技术和先进激光制造重点实验室项目(2018TP1041)。
关键词
无线传感器网络
覆盖空洞
冗余覆盖
重部署
强化学习
wireless sensor network(WSN)
coverage hole
redundant coverage
redeployment
reinforcement learning
