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A Simple Event-Based Average Consensus Clock Synchronization Scheme in Industrial Wireless Sensor Networks Under Communication Delays | IEEE Journals & Magazine | IEEE Xplore

A Simple Event-Based Average Consensus Clock Synchronization Scheme in Industrial Wireless Sensor Networks Under Communication Delays


Abstract:

In industrial wireless sensor networks, the existing event-based consensus clock synchronization schemes can achieve network-wide clock synchronization without considerin...Show More

Abstract:

In industrial wireless sensor networks, the existing event-based consensus clock synchronization schemes can achieve network-wide clock synchronization without considering the communication delays. However, communication delays are a significant factor restricting the achievement of clock synchronization in realistic scenarios. Besides, a constraint to be considered in the design of synchronization scheme is the limited communication resources of sensor nodes. Therefore, in this article, we investigate an event-based consensus clock synchronization scheme under delays. On the one hand, a new low-pass filter is used to estimate the relative skew to resist the influence of communication delays. On the other hand, a new event-triggered scheme is utilized to reduce unnecessary information transmission. Finally, we provide the convergence proof and simulation results of the proposed scheme, which further proves that it can achieve clock synchronization under communication delays while decreasing communication overhead.
Published in: IEEE Transactions on Industrial Informatics ( Volume: 20, Issue: 8, August 2024)
Page(s): 10113 - 10122
Date of Publication: 02 May 2024

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