A Distributed Multi-hop Low Cost Time Synchronization Algorithm in Wireless Sensor Network developed for Bridge Diagnosis System (特集 新たな産業応用を可能にする無線通信技術)

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概要

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• Due to the oceanic climate and frequent earthquakes in Japan, bridge health diagnosis is a problem of greater complexity. In bridge diagnosis system, we develop a wireless sensor network to sample and gather the vibration data of bridge. Time synchronization is a crucial component for the wireless sensor network (WSN), because large populations of sensor nodes will collaborate in order to complete the measuring data at the same time, data gathering, data fusion and localization. In the wireless sensor network with large scale of energy limited nodes, multi-hop time synchronization is necessarily applied. To solve above mentioned problem, some protocols such as RBS, TSPN FTPS etc. are proposed. However most of the algorithms mainly focus on the precision of synchronization. In fact energy efficiency is also a challenge in a resource-limited WSN. In this paper an improved time synchronization scheme is proposed with the purpose of reducing energy consumption and lengthening whole WSN'life. Performance analyses, simulations and realization in node hardware of WSN are also presented.

• 2012-05-01

著者

• Ogai Harutoshi

  Waseda University

• Xiao Haitao

  Waseda University, Graduate School of Information, Production and Systems

• Ding Zhehan

  Waseda University Graduate School Of Information Production And Systems

関連論文

• A multi-hop wireless sensor system for bridge health monitoring (特集 再生可能エネルギーの出力変動対応技術)
• Bridge diagnosis by using transfer function (産業計測制御研究会 ウェーブレットと知識抽出技術)
• A multi-hop wireless sensor system for bridge health monitoring (特集 再生可能エネルギーの出力変動対応技術)
• A Distributed Multi-hop Low Cost Time Synchronization Algorithm in Wireless Sensor Network developed for Bridge Diagnosis System (特集 新たな産業応用を可能にする無線通信技術)

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