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Standard improvements and predictable performance for industrial Internet of things in indoor deployments

Abstract : Industrial networks are typically used to monitor safety-related processes, where high reliability and an upper-bounded delay must be ensured. To attend these requirements, IEEE 802.15.4-2015 standard was published in 2016, defining the Time-Slotted Channel Hopping (TSCH) mode. TSCH allows the scheduling of transmissions, such that each device has enough opportunities for communicating while avoiding collisions. In addition, slow-channel hopping mechanism allows the nodes to combat the effect of external interference. Although TSCH increases the reliability, packet losses keep on occurring due to variations on the radioconditions, very common in indoor environments. The goal of this work is to improve the reliability of low-power wireless networks in indoor scenarios, where obstacles and external interference are the rule. We focus mostly on experimental research to identify the limits and in which circumstances these networks fail at providing a predictable performance.
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Submitted on : Wednesday, April 1, 2020 - 12:47:11 PM
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  • HAL Id : tel-02527672, version 1

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Rodrigo Teles Hermeto. Standard improvements and predictable performance for industrial Internet of things in indoor deployments. Networking and Internet Architecture [cs.NI]. Université de Strasbourg, 2019. English. ⟨NNT : 2019STRAD046⟩. ⟨tel-02527672⟩

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