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Synchronization quality of IEEE 802.1AS in large-scale industrial automation networks
TTTech Computertechnik AG, Austria.
TTTech Computertechnik AG, Austria.
Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.ORCID iD: 0000-0003-4157-3537
Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.ORCID iD: 0000-0001-5269-3900
2017 (English)In: Proceedings of the IEEE Real-Time and Embedded Technology and Applications Symposium, RTAS, Institute of Electrical and Electronics Engineers Inc. , 2017, 273-282 p., 7939046Conference paper, Published paper (Refereed)
Abstract [en]

Industry 4.0 and Industrial Internet of Things projects work towards adoption of standard IT technologies for real-time control networks in industrial automation. For this the IEEE 802.1 Time-Sensitive Networking (TSN) Task Group has developed and continues to develop a set of standards. One of these standards is the IEEE 802.1AS clock synchronization protocol. IEEE 802.1AS can be used to enable time-triggered communication as well as to coordinate distributed actions in industrial networks. In this paper we study the synchronization quality of IEEE 802.1AS and we are interested in whether the clocks can be synchronized with sufficiently low error such that the protocol can be used for demanding industrial automation applications. In particular, we study the protocol behavior in large-scale networks while considering critical implementation details. We report analytical worst-case results as well as probabilistic results based on simulations, that show that implementation details such as the PHY jitter and the clock granularity have a big impact on the time synchronization precision. 

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers Inc. , 2017. 273-282 p., 7939046
National Category
Computer Systems
Identifiers
URN: urn:nbn:se:mdh:diva-36142DOI: 10.1109/RTAS.2017.10Scopus ID: 2-s2.0-85021821793ISBN: 9781509052691 OAI: oai:DiVA.org:mdh-36142DiVA: diva2:1128714
Conference
23rd IEEE Real-Time and Embedded Technology and Applications Symposium, RTAS 2017, 18 April 2017 through 20 April 2017
Available from: 2017-07-27 Created: 2017-07-27 Last updated: 2017-08-24Bibliographically approved

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Dobrin, RaduPunnekkat, Sasikumar
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CiteExportLink to record
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Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
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  • de-DE
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