A consensus-based distributed method of clock synchronization for sensor networks

In this study, an innovative distributed method for achieving external clock synchronization is presented. Based on discrete-time clock models, it can realize synchronization of clocks while enabling their time to change at the same pace simultaneously. Stronger robustness against noisy measurements...

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Bibliographic Details
Main Authors: Yong Qiao, Wenlun Yang, Minyue Fu
Format: Article
Language:English
Published: Hindawi - SAGE Publishing 2017-03-01
Series:International Journal of Distributed Sensor Networks
Online Access:https://doi.org/10.1177/1550147717697320
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author Yong Qiao
Wenlun Yang
Minyue Fu
author_facet Yong Qiao
Wenlun Yang
Minyue Fu
author_sort Yong Qiao
collection DOAJ
description In this study, an innovative distributed method for achieving external clock synchronization is presented. Based on discrete-time clock models, it can realize synchronization of clocks while enabling their time to change at the same pace simultaneously. Stronger robustness against noisy measurements and clock rate drifts is gained by combining both controller and estimator design methods into the protocol. Additionally, a specifically designed communication scheme is proposed to make our protocols independent on global physical time. To render our protocols more practical, the control variable for clock synchronization is ensured bounded and a stopping criterion for implementation of the protocols is established. Finally, performance of the method is illustrated by certain numerical simulations.
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spelling doaj.art-e99199ea3aa8453c8ca38ba8d139ce372023-09-03T01:52:31ZengHindawi - SAGE PublishingInternational Journal of Distributed Sensor Networks1550-14772017-03-011310.1177/1550147717697320A consensus-based distributed method of clock synchronization for sensor networksYong Qiao0Wenlun Yang1Minyue Fu2School of Electrical Engineering and Computer Science, The University of Newcastle, Callaghan, NSW, AustraliaSchool of Electrical Engineering and Computer Science, The University of Newcastle, Callaghan, NSW, AustraliaThe State Key Laboratory of Industrial Control Technology, College of Control Science and Engineering, Zhejiang University, Hangzhou, P.R. ChinaIn this study, an innovative distributed method for achieving external clock synchronization is presented. Based on discrete-time clock models, it can realize synchronization of clocks while enabling their time to change at the same pace simultaneously. Stronger robustness against noisy measurements and clock rate drifts is gained by combining both controller and estimator design methods into the protocol. Additionally, a specifically designed communication scheme is proposed to make our protocols independent on global physical time. To render our protocols more practical, the control variable for clock synchronization is ensured bounded and a stopping criterion for implementation of the protocols is established. Finally, performance of the method is illustrated by certain numerical simulations.https://doi.org/10.1177/1550147717697320
spellingShingle Yong Qiao
Wenlun Yang
Minyue Fu
A consensus-based distributed method of clock synchronization for sensor networks
International Journal of Distributed Sensor Networks
title A consensus-based distributed method of clock synchronization for sensor networks
title_full A consensus-based distributed method of clock synchronization for sensor networks
title_fullStr A consensus-based distributed method of clock synchronization for sensor networks
title_full_unstemmed A consensus-based distributed method of clock synchronization for sensor networks
title_short A consensus-based distributed method of clock synchronization for sensor networks
title_sort consensus based distributed method of clock synchronization for sensor networks
url https://doi.org/10.1177/1550147717697320
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