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一种低开销的双向时间同步算法
Alternative TitleLow 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
ISSN0254-3087
2011
Volume32Issue:6Pages:1357-1363
Indexed ByEI ; CSCD
EI Accession number20112814137794
CSCD IDCSCD:4230523
Contribution Rank1
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 AbstractAs 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
Identifierhttp://ir.sia.cn/handle/173321/7045
Collection工业信息学研究室
Corresponding Author汪付强
Affiliation1.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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