一种低开销的双向时间同步算法

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	一种低开销的双向时间同步算法
Alternative Title	Low overhead two-way time synchronization algorithm
	汪付强 ; 曾鹏 ; 于海斌
Department	工业信息学研究室
Source Publication	仪器仪表学报
ISSN	0254-3087
	2011
Volume	32 Issue:6 Pages:1357-1363
Indexed By	EI ; CSCD
EI Accession number	20112814137794
CSCD ID	CSCD:4230523
Contribution Rank	1
Funding Organization	国家自然科学基金(60804067); 国家杰出青年基金(60725312)资助项目
Keyword	无线传感器网络时间同步算法低开销分簇内节点最大似然估计双向同步同步精度报文相位偏差
Abstract	时间同步作为无线传感器网络的关键技术之一,得到越来越广泛的关注。提出了基于簇结构的主动和被动结合的双向同步算法,基于簇结构的双向同步方式解决了传统双向同步报文交互频繁的问题,通过最大似然估计校正节点间的相位偏差和频率偏差,使得同步算法获得较高的同步精度和相对较少的报文开销。最后通过仿真和物理实验验证了算法的有效性。
Other Abstract	As one of the key technologies in wireless sensor networks,time synchronization has been widely concerned.A combined active and inactive two-way synchronization algorithm based on clustering architecture is proposed in this paper.The clustering architecture pattern solves the frequent packet interaction in traditional two way methods.The phase offset and frequency offset among nodes are corrected with maximum likelihood estimation.Based on these considerations,the proposed synchronization algorithm achieves...
Language	中文
Citation statistics
Document Type	期刊论文
Identifier	http://ir.sia.cn/handle/173321/7045
Collection	工业信息学研究室
Corresponding Author	汪付强
Affiliation	1.中国科学院沈阳自动化研究所 2.中国科学院研究生院
Recommended Citation GB/T 7714	汪付强,曾鹏,于海斌. 一种低开销的双向时间同步算法[J]. 仪器仪表学报,2011,32(6):1357-1363.
APA	汪付强,曾鹏,&于海斌.(2011).一种低开销的双向时间同步算法.仪器仪表学报,32(6),1357-1363.
MLA	汪付强,et al."一种低开销的双向时间同步算法".仪器仪表学报 32.6(2011):1357-1363.

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