Consensus time synchronization for WSNs with time-delay

LIU Shu-qin; CHEN Zhen-ping; HUANG You-rui; WANG Zheng; LI Xue-mei

doi:10.13873/J.1000-9787(2017)01-0064-03

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Consensus time synchronization for WSNs with time-delay

更新时间：2025-09-11

- Consensus time synchronization for WSNs with time-delay
- Vol. 36, Issue 1, Pages: 64-66+74(2017)
- 作者机构：
  
  安徽理工大学电气与信息工程学院
- 作者简介：
- 基金信息：
- DOI：10.13873/J.1000-9787(2017)01-0064-03
  CLC： TN929.5;TP212.9
- Published：2017
- 稿件说明：
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[1]刘曙琴,陈珍萍,黄友锐,王政,李雪梅.无线传感器网络中带延时的一致性时间同步[J].传感器与微系统,2017,36(01):64-66+74.

LIU Shu-qin, CHEN Zhen-ping, HUANG You-rui, et al. Consensus time synchronization for WSNs with time-delay[J]. 2017, 36(1): 64-66+74.
[1]刘曙琴,陈珍萍,黄友锐,王政,李雪梅.无线传感器网络中带延时的一致性时间同步[J].传感器与微系统,2017,36(01):64-66+74. DOI： 10.13873/J.1000-9787(2017)01-0064-03.

LIU Shu-qin, CHEN Zhen-ping, HUANG You-rui, et al. Consensus time synchronization for WSNs with time-delay[J]. 2017, 36(1): 64-66+74. DOI： 10.13873/J.1000-9787(2017)01-0064-03.

摘要

针对无线传感器网络（WSNs）中节点间通信存在传输延迟

影响同步精度的情况

将加权平均应用于相对时钟斜率的计算

提出了一种带延时的一致性时间同步算法。该算法中每个传感器节点通过与邻居节点通信交换时钟信息

根据一致性理论更新时钟参数

从而到达时间同步的目的。研究了在假定传输延时服从正态分布的情况下对一致性时间同步算法的影响

提出的算法降低了延时对同步精度的影响

Matlab仿真验证了该算法的有效性。

Abstract

Aiming at problem of transmission delay between nodes which affect synchronization precision in wireless sensor networks（ WSNs）

apply weighted average in computation of relative clock skew and propose a consensus time synchronization algorithm with time-delay. Every node exchanges clock information through communicating with its neighbor nodes and updates clock parameters according to consensus theory

then time synchronization is realized. Given that the transmission delay obeys normal distribution

influence of transmission delay on synchronization precision of consensus synchronization algorithm is studied

and the proposed algorithm reduces the influence. The Matlab simulations verify effectiveness of the proposed algorithm.

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references

无线传感器网络数据融合体系结构综述 [J]. 赵继军,刘云飞,赵欣. 传感器与微系统 . 2009(10)

无线传感器网络低功耗设计综述 [J]. 张大踪,杨涛,魏东梅. 传感器与微系统 . 2006(05)

On average consensus in directed networks of agents with switching topology and time delay [J] . Jiahu Qin,Huijun Gao,Wei Xing Zheng. International Journal of Systems Science . 2011 (12)

A new approach to average consensus problems with multiple time-delays and jointly-connected topologies [J] . Peng Lin,Kaiyu Qin,Hongmei Zhao,Man Sun. Journal of the Franklin Institute . 2011 (1)

Average TimeSynch: A consensus-based protocol for clock synchronization in wireless sensor networks [J] . Luca Schenato,Federico Fiorentin. Automatica . 2011 (9)

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