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Meet the PAREO Functions: Towards Reliable and Available Wireless Networks

Abstract : Deterministic networking allows carrying data flows with low data-loss rates and with bounded latency. A typical use-case is the convergence of Operational Technology (OT) with Information Technology (IT), also known as the Industrial Internet. Wireless networks operate on a shared communication medium where the potential external interference along with multi-path fading impact data packet delivery. Since the medium is shared, it is not necessarily possible to employ wired techniques, such as preemption, to guarantee timely delivery. By employing diversity in the time, frequency and spatial domains, wireless technologies with scheduled transmissions, such as IEEE 802.15.4 Time Slot Channel Hopping (TSCH), can mitigate those effects and provide Reliable and Available Wireless communications that approach determinism. Nevertheless, a radio link operating in the ISM band, such as IEEE 802.15.4-TSCH, still needs to handle collisions and possibly re-transmission. Therefore, a single link cannot reliably ensure delivery at all times within bounded latency. It takes redundant links and paths to provide both the high availability and the near consistent reliability that industrial applications require. In this paper, we present the Packet Automatic Repeat reQuest (ARQ), Replication and Elimination (RE), and Overhearing (PAREO) functions to further increase the Quality of Service (QoS) in industrial networks, even when implemented on top of best-effort traffic in a shared network.
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Contributor : Georgios Papadopoulos Connect in order to contact the contributor
Submitted on : Monday, February 24, 2020 - 11:45:03 AM
Last modification on : Monday, April 4, 2022 - 9:28:24 AM


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Remous-Aris Koutsiamanis, Georgios Papadopoulos, Tomas Lagos Jenschke, Pascal Thubert, Nicolas Montavont. Meet the PAREO Functions: Towards Reliable and Available Wireless Networks. ICC 2020 : IEEE International Conference on Communications, Jun 2020, Dublin, Ireland. ⟨10.1109/ICC40277.2020.9149206⟩. ⟨hal-02463185v2⟩



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