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Error compensation algorithm in wireless sensor networks synchronisation
Wang FQ(汪付强); Zeng P(曾鹏); Yu HB(于海斌); Xiao Y(肖杨)
作者部门工业信息学研究室
关键词Wsns Wireless Sensor Networks Time Synchronisation Clock Drift Compensation Algorithm
发表期刊INTERNATIONAL JOURNAL OF SENSOR NETWORKS
ISSN1748-1279
2011
卷号10期号:3页码:123-131
收录类别SCI
WOS记录号WOS:000295435100002
产权排序1
资助机构This work is supported by National Natural Science Foundation of China 60804067 and National Excellent Young Leader Foundation under grant number 60725312.
摘要Time synchronisation has been extensively used in wireless sensor networks in many contexts, such as data fusion, TDMA schedules and synchronised sleep periods. Precision is the basic requirement for time synchronisation in wireless sensor networks. Existing time synchronisation methods were not designed to deal with dynamic environment changes. In this paper, we propose an error compensation algorithm which is designed to compensate errors caused by hardware clock drift and environment changes. The algorithm works according to a level hierarchy: the nodes in each level have the same hop and linear regression is adopted to analyse clock drift. The compensation mechanism decreases the instability caused by crystal oscillators and eliminates errors accumulated during running time. The algorithm is implemented on the SIA2420 platform using TinyOS and the results show the reliability of our algorithm.
语种英语
WOS标题词Science & Technology ; Technology
WOS类目Computer Science, Information Systems ; Telecommunications
WOS研究方向Computer Science ; Telecommunications
引用统计
被引频次:12[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.sia.cn/handle/173321/7080
专题工业信息学研究室
通讯作者Yu HB(于海斌)
作者单位1.Key Laboratory of Industrial Informatics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang, China
2.Shandong Computer Science Center, Jinan, China
3.Department of Computer Science, The University of Alabama, 101 Houser Hall, P.O. Box 870290, Tuscaloosa, AL 35487 0290, USA
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GB/T 7714
Wang FQ,Zeng P,Yu HB,et al. Error compensation algorithm in wireless sensor networks synchronisation[J]. INTERNATIONAL JOURNAL OF SENSOR NETWORKS,2011,10(3):123-131.
APA Wang FQ,Zeng P,Yu HB,&Xiao Y.(2011).Error compensation algorithm in wireless sensor networks synchronisation.INTERNATIONAL JOURNAL OF SENSOR NETWORKS,10(3),123-131.
MLA Wang FQ,et al."Error compensation algorithm in wireless sensor networks synchronisation".INTERNATIONAL JOURNAL OF SENSOR NETWORKS 10.3(2011):123-131.
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