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A Precise Synchronization Method for Future Wireless TSN Networks

  • Time-Sensitive Networking (TSN) is the most promising time-deterministic wired communication approach for industrial applications. To extend TSN to "IEEE 802.11" wireless networks two challenging problems must be solved: synchronization and scheduling. This paper is focused on the first one. Even though a few solutions already meet the required synchronization accuracies, they are built onTime-Sensitive Networking (TSN) is the most promising time-deterministic wired communication approach for industrial applications. To extend TSN to "IEEE 802.11" wireless networks two challenging problems must be solved: synchronization and scheduling. This paper is focused on the first one. Even though a few solutions already meet the required synchronization accuracies, they are built on expensive hardware that is not suited for mass market products. While next Wi-Fi generation might support the required functionalities, this paper proposes a novel method that makes possible high-precision wireless synchronization using commercial low-cost components. With the proposed solution, a standard deviation of synchronization error of less than 500 ns can be achieved for many use cases and system loads on both CPU and network. This performance is comparable to modern wired real-time field busses, which makes the developed method a significant contribution for the extension of the TSN protocol to the wireless domain.‚Ķshow moreshow less

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Metadaten
Author:Alexey M. Romanov, Francesco Gringoli, Axel SikoraORCiDGND
Creating Corporation:IEEE
Year of Publication:2020
Pagenumber:11
Language:English
Parent Title (English):IEEE Transactions on Industrial Informatics (Early Access)
ISSN:1551-3203 (Print)
ISSN:1941-0050 (digital)
First Page:1
Last Page:11
Document Type:Article (reviewed)
Institutes:Bibliografie
Open Access:Zugriffsbeschränkt
Release Date:2021/01/15
Licence (German):License LogoEs gilt das UrhG
URL:https://ieeexplore.ieee.org/document/9169833
DOI:https://doi.org/10.1109/TII.2020.3017016