A distributed multi-hop low cost time synchronization algorithm in wireless sensor network developed for bridge diagnosis system

Haitao Xiao, Harutoshi Ogai, Zhehan Ding

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

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.

Original languageEnglish
Pages (from-to)656-665
Number of pages10
JournalIEEJ Transactions on Electronics, Information and Systems
Volume132
Issue number5
DOIs
Publication statusPublished - 2012

Fingerprint

Wireless sensor networks
Synchronization
Costs
Data fusion
Sensor nodes
Energy efficiency
Earthquakes
Energy utilization
Health
Hardware
Network protocols

Keywords

  • Bridge diagnosis
  • System design
  • Time synchronization
  • Wireless Sensor Networks

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

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AU - Ding, Zhehan

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