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Can Embedded Real-Time Linux System Effectively Support Multipath Transmission?: An Experimental Study
Beijing Jiaotong Univ, Sch Elect & Informat Engn, Beijing, Peoples R China..
Beijing Jiaotong Univ, Sch Elect & Informat Engn, Beijing, Peoples R China..
McGill Univ, Dept Bioresource Engn, Macdonald Campus, Montreal, PQ, Canada..
Mid Sweden Univ, Dept Informat Syst & Technol, Sundsvall, Sweden..
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2023 (English)In: 2023 IEEE 19TH INTERNATIONAL CONFERENCE ON FACTORY COMMUNICATION SYSTEMS, WFCS / [ed] Golatowski, F Ragavan, SKV Facchinetti, T Wisniewski, L Porta, M Scanzio, S, IEEE, 2023, p. 23-30Conference paper, Published paper (Refereed)
Abstract [en]

The rise of technologies such as 6G networks, edge computing, and the Industrial Internet has led to a dramatic increase in the amount of data that needs to be transmitted over heterogeneous integrated networks. The resources of embedded devices limit the ability of the Industrial Internet to transmit data. While the multipath transmission mechanism can mitigate data transmission issues of low reliability and low real-time performance from the network-level perspective. As the complexity of industry applications increases, however, the phenomenon that the high-quality data transmission is subject to the influence of the underlying layer is becoming increasingly apparent. The paper aims to explores the possibility of multipath transmission protocol running on a real-time kernel from the perspective of the operating system, as there is a lack of research and reports in this area. Based on RT-Preempt, a real-time system RT-Linux suitable for the "NXP i.MX6Q" ARM integrated board has been proposed, which replaces the native Linux kernel to optimize and enhance its real-time performance. As described in the experiment part, the original standard Linux system OR-Linux and the new RT-Linux are tested with single-threaded and multi-threaded load experiments, respectively. The results of the analysis show that this paper provides a way of validating the trial data and ensuring its accuracy using the lognormal distribution model, which is a statistical distribution used to model variables that are positive and skewed to the right. The RT-Linux scheme has better real-time performance and is more stable than the OR-Linux scheme after real-time processing, showing the viability of the scheme.

Place, publisher, year, edition, pages
IEEE, 2023. p. 23-30
Series
IEEE International Workshop on Factory Communication Systems, ISSN 2835-8511
Keywords [en]
multipath transmission, real-time Linux, embedded system, lognormal distribution, system transplantation
National Category
Other Engineering and Technologies
Identifiers
URN: urn:nbn:se:mdh:diva-65165DOI: 10.1109/WFCS57264.2023.10144118ISI: 001012871100004Scopus ID: 2-s2.0-85162671997ISBN: 978-1-6654-6432-1 (print)OAI: oai:DiVA.org:mdh-65165DiVA, id: diva2:1822073
Conference
IEEE 19th International Workshop on Factory Communication Systems (WFCS), APR 26-28, 2023, Pavia, ITALY
Available from: 2023-12-21 Created: 2023-12-21 Last updated: 2023-12-21Bibliographically approved

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Åkerberg, Johan

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