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Efficient time synchronization mechanism for wireless multi hop networks

  • CNRS UMR 5157 SAMOVAR

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

This paper considers the time synchronization problem in wireless multihop networks. The objective is to design a protocol that synchronizes the network nodes with respect to one reference node. A set of sender nodes forming a connected dominating set is created to guide the synchronization process in a multihop environment. Each node estimates its clock offset and frequency error parameters to build an adjustment function that transforms its local time to that of the reference node. Our protocol estimates the clock offset and the frequency error on different time scales leading to significant gain in terms of synchronization accuracy. We give the theoretical bounds on the synchronization precision and show its performance through extensive simulations.

Original languageEnglish
Title of host publication2008 IEEE 19th International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2008
DOIs
Publication statusPublished - 1 Dec 2008
Event2008 IEEE 19th International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2008 - Poznan, Poland
Duration: 15 Sept 200818 Sept 2008

Publication series

NameIEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC

Conference

Conference2008 IEEE 19th International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2008
Country/TerritoryPoland
CityPoznan
Period15/09/0818/09/08

Keywords

  • Computer protocols
  • Dominating set
  • MPR
  • Multihop networks
  • OLSR
  • Time synchronization
  • Wireless

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