计算机科学 ›› 2010, Vol. 37 ›› Issue (9): 68-71.
• 计算机网络与信息安全 • 上一篇 下一篇
许娜,胡国林，张晓彤，宋红玲
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XU Na,HU Guo-lin,GHANG Xiao-tong,SONG Hong-ling
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摘要： 基于空间平均而非传统时间平均的思想，协作同步技术为无线传感器网络的时间同步提供了一种新的解决方案。结合工业无线网络的特点，利用无线传感器网络的广播特性，提出了一种源于空间平均思想的协作时间同步协议。该协议根据网络的实时状况，调整处理时间同步信息在空间和时间上的比例，以期达到高精度、高可靠性的目标。仿真实验表明，该协议比单一采用时间平均思想的时间同步协议具有更优异的性能。
关键词: 无线传感器网络，时间同步，协作，空间平均
Abstract: According to spatial average, not traditional time average, cooperative time synchronization supposes a new method for time synchronization in wireless sensor networks. In this work, we presented a cooperative time synchronization protocol that uses broadcasting and spatial averaging for the characters of industrial wireless networks. This protocol can adjust the rate of the time synchronization messages between time and space, in order to achieve high precision and strong robust. Simulation estimates that the protocol has much better synchronization performance than traditional protocol only using time average.
Key words: Wireless sensor networks,Time synchronization,Cooperation,Spatial average
许娜,胡国林，张晓彤，宋红玲. 基于工业无线网络的协作时间同步协议[J]. 计算机科学, 2010, 37(9): 68-71. https://doi.org/
XU Na,HU Guo-lin,GHANG Xiao-tong,SONG Hong-ling. Cooperative Time Synchronization Based on Industrial Wireless Networks[J]. Computer Science, 2010, 37(9): 68-71. https://doi.org/
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