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A Distributed Consensus-based Clock Synchronization Protocol for Wireless Sensor Networks

Habib Aissaoua 1, * Makhlouf Aliouat 1 Ahcène Bounceur 2 Reinhardt Euler 3
* Corresponding author
2 Lab-STICC_UBO_CACS_MOCS
Lab-STICC - Laboratoire des sciences et techniques de l'information, de la communication et de la connaissance, UBO - Université de Brest
3 Lab-STICC_UBO_CID_DECIDE
Lab-STICC - Laboratoire des sciences et techniques de l'information, de la communication et de la connaissance
Abstract : The birth of computer networks and distributed systems has led to the appearance of the clock synchronization problem. This issue has gained increasing importance with the emergence of new resource constrained networks such as wireless sensor networks. In this paper, we propose a new distributed clock synchronization algorithm, referred to as Weighted Consensus Clock Synchronization (WCCS), whose objective is to achieve a consensus clock among network nodes. In this distributed approach and in contrast to centralized schemes, each node periodically exchanges the local clock reading with its immediate neighbor nodes. Then, each node employs these time informations to calculate its relative offset and skew with respect to its neighbor nodes using a weighted average consensus based technique. The effectiveness of WCCS is proved through both simulations and an experimental study on TelosB mote using TinyOS.
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https://hal.univ-brest.fr/hal-01497632
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Submitted on : Tuesday, March 28, 2017 - 11:19:38 PM
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  • HAL Id : hal-01497632, version 1

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Habib Aissaoua, Makhlouf Aliouat, Ahcène Bounceur, Reinhardt Euler. A Distributed Consensus-based Clock Synchronization Protocol for Wireless Sensor Networks. Wireless Personal Communications, Springer Verlag, 2017, 95 (1). ⟨hal-01497632⟩

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