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An Approach for Precise, Scalable, and Platform Independent Clock Synchronization
KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0002-5694-0224
2017 (English)In: 2017 14TH IEEE ANNUAL CONSUMER COMMUNICATIONS & NETWORKING CONFERENCE (CCNC), IEEE , 2017, 461-466 p.Conference paper, Published paper (Refereed)
Abstract [en]

Clock synchronization is an important issue in wired and wireless networks as a common time basis is essential for coordinated activities of nodes in distributed systems. Typical applications demanding precise synchronization are Industrial Internet scenarios having real-time constraints, Wireless Sensor Networks (WSNs) where the nodes communicate only for a short period and can sleep the remaining time to save energy, approaches based on Time Division Multiple Access (TDMA), and distributed measurements. The basic idea of our approach is to estimate all delays in a network. As a result, we can estimate the one-way delay between a reference node and all other nodes in the network. Consequently, we can use broadcast messages to synchronize the entire network. Utilizing a novel measurement method and a Java prototype implementation, we show that our approach achieves a high precision (approximate to 123 mu s). Furthermore, it is highly scalable and platform independent. As our synchronization approach operates at the application layer, it is suitable for both wired and wireless networks.

Place, publisher, year, edition, pages
IEEE , 2017. 461-466 p.
Series
IEEE Consumer Communications and Networking Conference, ISSN 2331-9852
Keyword [en]
Synchronization, Internet of Things, Industrial Internet, Quality of Service, Network Latency
National Category
Communication Systems
Identifiers
URN: urn:nbn:se:kth:diva-217077ISI: 000412117100101ISBN: 978-1-5090-6196-9 OAI: oai:DiVA.org:kth-217077DiVA: diva2:1159014
Conference
14th IEEE Annual Consumer Communications and Networking Conference (CCNC), JAN 08-11, 2017, Las Vegas, NV
Note

QC 20171121

Available from: 2017-11-21 Created: 2017-11-21 Last updated: 2017-11-21Bibliographically approved

Open Access in DiVA

No full text

Other links

http://ccnc2018.ieee-ccnc.org/

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Danielis, Peter

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
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  • nn-NB
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  • Other locale
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Output format
  • html
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