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无线传感器网络时间同步机制研究 被引量:2

Overview of Time Synchronization in Wireless Sensor Networks
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摘要 时间同步是无线传感器网络中一项重要的底层支撑技术,是实现节点的协同感知、通信、能量管理等网络功能的前提条件。针对无线传感器网络不同的应用需求,相继提出了不同种类的时间同步算法。归纳了无线传感器网络时间同步机制的分类方法,分析了每类典型的时间同步机制,最后总结了无线传感器网络时间同步机制的发展方向和未来的研究热点。 Time synchronization in wireless sensor network is an important underlying technology and the precondition about realizing collaborative awareness,communications,energy management of nodes and other network functions.In light of different application requirements of WSN,many time synchronization algorithms for WSN were studied.Classification methods for time synchronization mechanism in wireless sensor network were summarized,and typical time synchronization mechanism of each type was analyzed in detail.Finally,the development direction of time synchronization mechanism and the open research issues were summarized.
作者 胡冰 孙知信
出处 《计算机科学》 CSCD 北大核心 2015年第7期1-4,11,共5页 Computer Science
基金 国家自然科学基金(60973140 61170276 61373135) 江苏省产学研项目(BY2013011) 江苏省科技型企业创新基金项目(BC2013027) 江苏省高校自然科学研究重大项目(12KJA520003)资助
关键词 无线传感器网络 时间同步 网络洪泛 可塑性干扰 Wireless sensor network(WSN) Time synchronization Network flooding Constructive interference
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