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.

中文翻译：

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使用 WDetServ 实现混合有线/无线工业网络：基于可靠性的延迟保证调度


预计工业控制系统将在混合有线/无线网络上运行。控制器将部署在有线网络中，而传感器和执行器将部署在无线传感器网络（WSN）中。为了支持控制系统的 QoS，必须在无线和有线域中提供端到端延迟界限和目标可靠性。然而，对于工业无线传感器网络来说，由于低功耗通信和恶劣的无线环境，保证可靠性是一项具有挑战性的任务。在这项工作中，我们提出了第一个适用于任意混合有线/无线网络的 QoS 框架，该框架保证提供每个应用程序的延迟界限和目标可靠性。作为该框架的一部分，我们提出了第一个基于可靠性的 WSN 调度器，能够在存在动态干扰的情况下实现目标可靠性。对所提出的调度器的仿真证明了其在不同干扰场景中的适用性并激发了进一步的工作。