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EchoRing: A low-latency, reliable token-passing MAC protocol for wireless industrial networks
KTH, School of Electrical Engineering (EES), Communication Theory.ORCID iD: 0000-0001-6682-6559
2015 (English)In: Proceedings of 21st European Wireless Conference, European Wireless 2015, Institute of Electrical and Electronics Engineers (IEEE), 2015Conference paper (Refereed)
Abstract [en]

Spurred by recent industrial trends, such as factory automation or phase synchronization in the smart grid, there is a significant interest for wireless industrial networks lately. In contrast to traditional applications, the focus is on carrying out communication at very short latencies together with high reliabilities. Meeting such extreme requirements with wireless networks is challenging. A potential candidate for such a network is a token-passing protocol, as it allows to bound latencies. However, it lacks mechanisms to cope with the dynamics of wireless channels. In this paper, we present EchoRing, a novel wireless token-passing protocol. Cooperative communication and an improved fault tolerance allow this decentralized protocol to support industrial applications over wireless networks. Based on experimental results, we demonstrate the suitability of EchoRing to support demands of industrial applications. EchoRing outperforms other schemes by several orders of magnitude in terms of reliability for latencies of and below 10 ms.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2015.
Keyword [en]
Factory automation, Fault tolerance, Medium access control, Wireless networks, Decentralized protocols, High reliability, MAC protocol, Orders of magnitude, Phase synchronization, Token passing, Wireless channel, Wireless industrial networks, Cooperative communication
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-194651ScopusID: 2-s2.0-84979692040ISBN: 9783800739769 (print)OAI: oai:DiVA.org:kth-194651DiVA: diva2:1050422
Conference
21st European Wireless Conference, European Wireless 2015, 20 May 2015 through 22 May 2015
Note

QC 20161129

Available from: 2016-11-29 Created: 2016-10-31 Last updated: 2016-11-29Bibliographically approved

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