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A Highly Reliable Ultralow-Latency Wireless Solution for Industrial Control Loops: Design and Evaluation

    • Siemens Technology / RF Technologies AT & Electronic Design AT

    Research output: Chapter in Book or Conference ProceedingsBook chapterpeer-review

    Abstract

    We present the results of implementing and testing a wireless solution intended for direct one-to-one replacement of communication cables in fast industrial control loops. With an ultralow cycle time of 8000 packets/s on each unidirectional link, we measured packet error rates in the range of 1 error per 1 billion packets in the presence of industrial production-hall channel conditions, achieving an unprecedented combination of high reliability and low latency in fading channels. The transceivers were built using only easily accessible and affordable components. Frequency diversity and spatial diversity are exploited through coded orthogonal frequency-division multiplexing (OFDM) modulation and 2x2 multiple-input-multiple-output (MIMO) transmission. The replacement of cables by the devised wireless solution opens up possibilities from simplified reconfigurability and reduced maintenance cost to the introduction of entirely new production processes that are currently not possible.
    Original languageEnglish
    Title of host publicationConference Record - Asilomar Conference on Signals, Systems and Computers
    PublisherIEEE Computer Society
    Pages8-12
    Number of pages5
    ISBN (Print)9781665458283
    DOIs
    Publication statusPublished - 2021
    Event2021 55th Asilomar Conference on Signals, Systems, and Computers -
    Duration: 31 Oct 20213 Nov 2021

    Publication series

    NameConference Record - Asilomar Conference on Signals, Systems and Computers
    Volume2021-October

    Conference

    Conference2021 55th Asilomar Conference on Signals, Systems, and Computers
    Period31/10/213/11/21

    Research Field

    • Former Research Field - Enabling Digital Technologies

    Keywords

    • 5G
    • URLLC
    • industrial WLAN
    • industrial control loop
    • low-latency

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