| 无线传感器网络时间同步机制研究 |
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| 引用本文： | 胡,冰,孙知信.无线传感器网络时间同步机制研究[J].计算机科学,2015,42(7):1-4, 11. |
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| 作者姓名： | 胡 冰 孙知信 |
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| 作者单位： | 南京邮电大学宽带无线通信与传感网技术教育部重点实验室 南京210003 |
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| 基金项目： | 本文受国家自然科学基金(60973140,6,61373135),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 |
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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。
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| 关 键 词： | 无线传感器网络 时间同步 网络洪泛 可塑性干扰 |
Overview of Time Synchronization in Wireless Sensor Networks |
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| HU Bing SUN Zhi-xin.Overview of Time Synchronization in Wireless Sensor Networks[J].Computer Science,2015,42(7):1-4, 11. |
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| Authors: | HU Bing SUN Zhi-xin |
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| Affiliation: | Key Laboratory of Broadband Wireless Communication and Sensor Network Technology,Ministry of Education,Nanjing University of Posts and Telecommunications,Nanjing 210003,China |
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| Abstract: | 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. |
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| Keywords: | Wireless sensor network(WSN) Time synchronization Network flooding Constructive interference |
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