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Authors: Xiaoyuan Ma ; Weisheng Tang ; Jianming Wei ; Jun Huang and Bo Zhang

Affiliation: Chinese Academy of Sciences, China

ISBN: 978-989-758-169-4

ISSN: 2184-4380

Keyword(s): Clock Synchronization, WSN, Clock Granularity, PulseSync.

Related Ontology Subjects/Areas/Topics: Sensor Networks ; Technologies and Standards ; Wireless Information Networks

Abstract: Nowadays clock synchronization has become crucial in wireless sensor network (WSN), in particular for those scenarios where the common reference time is vital for applications. The existing approaches often suffer from synchronizing errors since the effect of clock granularity is overlooked. In this paper, a novel algorithm is proposed on the basis of PulseSync algorithm. Compared with PulseSync, the improvement of the presented algorithm is twofold: First, clock discreteness is abated via applying filter method. Second, for reducing the deviation of estimated clock skew through several hops, relative logical clock rate is straightly delivered. Our approach, along with the deeper analyses, is further validated with EXP5438 platform using Contiki operating system in Cooja simulator. The result illustrates that the proposed algorithm outperforms PulseSync in synchronization accuracy.

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Paper citation in several formats:
Ma, X.; Tang, W.; Wei, J.; Huang, J. and Zhang, B. (2016). Beyond PulseSync: Less Clock Granularity Impact, More Synchronization Accuracy.In Proceedings of the 5th International Confererence on Sensor Networks - Volume 1: SENSORNETS, ISBN 978-989-758-169-4, ISSN 2184-4380, pages 95-104. DOI: 10.5220/0005632600950104

@conference{sensornets16,
author={Xiaoyuan Ma. and Weisheng Tang. and Jianming Wei. and Jun Huang. and Bo Zhang.},
title={Beyond PulseSync: Less Clock Granularity Impact, More Synchronization Accuracy},
booktitle={Proceedings of the 5th International Confererence on Sensor Networks - Volume 1: SENSORNETS,},
year={2016},
pages={95-104},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0005632600950104},
isbn={978-989-758-169-4},
}

TY - CONF

JO - Proceedings of the 5th International Confererence on Sensor Networks - Volume 1: SENSORNETS,
TI - Beyond PulseSync: Less Clock Granularity Impact, More Synchronization Accuracy
SN - 978-989-758-169-4
AU - Ma, X.
AU - Tang, W.
AU - Wei, J.
AU - Huang, J.
AU - Zhang, B.
PY - 2016
SP - 95
EP - 104
DO - 10.5220/0005632600950104

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