Achieving Hybrid Wired/Wireless Industrial Networks with WDetServ: Reliability-Based Scheduling for Delay Guarantees

Samuele Zoppi, Amaury Van Bemten, H. Murat Gursu, Mikhail Vilgelm, Jochen Guck, Wolfgang Kellerer

Research output: Contribution to journalArticlepeer-review

34 Scopus citations

Abstract

Industrial control systems are foreseen to operate over hybrid wired/wireless networks. While the controller will be deployed in the wired network, sensors and actuators will be deployed in a wireless sensor network (WSN). To support QoS for control systems, an end-to-end delay bound and a target reliability must be provided in both wireless and wired domains. However, for industrial WSNs, guaranteeing reliability is a challenging task because of low-power communications and the harsh wireless environment. In this work, we present the first QoS framework for arbitrary hybrid wired/wireless networks, which guarantees that the delay bound and the target reliability of each application are provided. As part of this framework, we propose the first reliability-based scheduler for WSN able to achieve a target reliability in the presence of dynamic interference. Simulations of the proposed scheduler prove its suitability in different interference scenarios and motivate further work.

Original languageEnglish
Pages (from-to)2307-2319
Number of pages13
JournalIEEE Transactions on Industrial Informatics
Volume14
Issue number5
DOIs
StatePublished - May 2018

Keywords

  • SDN
  • TSCH
  • WSN
  • channel quality estimation
  • delay guarantees
  • hybrid networks
  • industrial QoS
  • network calculus
  • real-time
  • reliability
  • routing
  • scheduling

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