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ESTS: An Error Statistic Based Time Synchronization Protocol for Wireless Sensor Networks

  • Limin Sun
  • Haidong Wang
  • Tingxin Yan
  • Jingjing Liu
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4114)

Abstract

Time synchronization in wireless sensor networks is critical for providing accurate timing service to many applications. This paper presents an Error Statistic based Time Synchronization protocol (ESTS) for wireless sensor networks. ESTS uses a flooding mechanism for basic global time synchronization and delay measurement, and achieves a fine grained synchronization through compensating per hop delay to all the nodes. It is a light weight mechanism for its simplicity in both computation and communication. Experiments show that ESTS obtains a better performance in energy efficiency than most in-situ time synchronization protocols in the same precision level.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • Limin Sun
    • 1
  • Haidong Wang
    • 1
  • Tingxin Yan
    • 1
  • Jingjing Liu
    • 2
  1. 1.Institute of Software, Chinese Academy of Sciences P.O.Box 8718, Beijing 100080, BeijingChina
  2. 2.Grade 04 Finance Department of College of Economy, Centre University for Nationalities Beijing 100081, BeijingChina

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