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无线传感器网络的广播时间同步算法 被引量：5

Broadcast Time Synchronization Algorithm for Wireless Sensor Networks
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摘要 基于包交换机制,利用无线信道的广播特性和捎带技术减少同步报文个数;对包时间信息进行缓存并采用最小方差线性拟合方法平滑同步误差抖动.模拟结果表明,在Mica2上单跳平均同步精度达到约57μs.最后与类似算法进行了性能比较. A time synchronization algorithm for wireless sensor networks is proposed. Based on packet exchange mechanism, it utilized the broadcasting property of wireless channel and employed piggyback technique to reduce the number of packets necessary for time synchronization. It buffered time information of packets and employed the least-squares linear regression technique to smooth jitter of synchronization error. Simulation results show that single-hop synchronization precision is about 57 microseconds on Mica2. Finally, performance is compared with similar algorithms.
作者 谷春江 徐朝农 张浩 徐勇军 李晓维
机构地区 西安交通大学电气工程及其自动化学院 合肥工业大学计算机与信息学院 中国科学院计算技术研究所先进测试技术实验室
出处 《计算机辅助设计与图形学学报》 EI CSCD 北大核心 2006年第9期1432-1437,共6页 Journal of Computer-Aided Design & Computer Graphics
基金 国家重点基础研究发展规划项目(2005CB321604) 国家自然科学基金(90207002)
关键词 传感器网络 时间同步 时钟同步 sensor networks time synchronization clock synchronization
分类号 TP393.1 [自动化与计算机技术—计算机应用技术]
  • 相关文献

参考文献19

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二级参考文献32

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共引文献1710

同被引文献30

  • 1周贤伟,韦炜,覃伯平.无线传感器网络的时间同步算法研究[J].传感技术学报,2006,19(1):20-25. 被引量：49
  • 2桂本烜,冯冬芹,褚健,金建祥.基于单神经元的网络同步补偿算法研究[J].仪器仪表学报,2006,27(12):1573-1577. 被引量：9
  • 3任丰原,董思颖,何滔,林闯.基于锁相环的时间同步机制与算法[J].软件学报,2007,18(2):372-380. 被引量：52
  • 4谢洁锐,胡月明,刘才兴,刘兰.无线传感器网络的时间同步技术[J].计算机工程与设计,2007,28(1):76-77. 被引量：9
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  • 10M Maroti, B Kusyb, G Simon, et al. The Flooding Time Synchronization Protoeol[C]//Proeeedings of the 2nd International Conference on Embedded Networked Sensor Systems (Sensysp04), 2004,39-49.

引证文献5

二级引证文献11

计算机辅助设计与图形学学报
2006年 第9期

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