Towards Functional Safety in Dynamic Distributed Systems

Authors

  • Dirk Dahlhaus University of Kassel, Germany
  • Ingrid Moerman imec – Ghent University, Belgium
  • Nour Mansour University of Kassel, Germany
  • Jeroen Hoebeke imec – Ghent University, Belgium
  • Xianjun Jiao imec – Ghent University, Belgium
  • Jetmir Haxhibeqiri imec – Ghent University, Belgium
  • Josef Börcsök University of Kassel, Germany

DOI:

https://doi.org/10.13052/jmm1550-4646.2016

Keywords:

Dynamic distributed systems, safety integrity level, hard quality-of-service, time-sensitive networking, black/grey channel approach

Abstract

Functional safety (FS) is a well-established concept to avoid technical systems to cause harm during operation. Since FS is based on information exchange, the communication infrastructure plays a vital role to enable FS. Black channel or grey channel approaches are the basis for achieving effective and efficient FS schemes. While simple safety functions (SFs) can be implemented using point-to-point (P2P) transmission protocols, they are usually not suitable to provide FS in dynamic distributed systems (DDSs). This paper discusses time-sensitive networking (TSN) as an important approach for providing FS in wireless TSN (W-TSN) and evaluates the achievable safety integrity levels (SILs) for applications based on PROFISafe running over W-TSN. A discussion on initial ideas for providing FS in DDSs reveals that FS concepts have to be designed and optimized jointly with communication protocols beyond P2P transmission to improve the resulting efficiency required for applying the concepts in industrial processes.

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Author Biographies

Dirk Dahlhaus, University of Kassel, Germany

Dirk Dahlhaus received the Diploma degree in Electrical Engineering from Ruhr-University Bochum, Germany, in 1992 and the Post-Diploma in communications in 1995 and the Ph.D. degree in Electrical Engineering in 1998, resp., from ETH Zurich, Switzerland. Since 2005, he is full professor at the Faculty of Electrical Engineering and Computer Science with the University of Kassel, Germany. His research areas include wireless communications and signal processing.

Ingrid Moerman, imec – Ghent University, Belgium

Ingrid Moerman received her degree in Electrical Engineering (1987) and the Ph.D. degree (1992) from Ghent University, where she became a part-time professor in 2000. She currently combines a full professor position with part-time allocation at Ghent University and is a staff member at IDLab, a core research group of imec with research activities embedded in Ghent University and the University of Antwerp. Dr. Moerman is program manager of the ‘Deterministic Connectivity Systems’ track, part of the connectivity program at imec, and in this role, she coordinates research activities on end-to-end wired/wireless networking solutions driven by professional and mission-critical applications that have to meet strict Quality-of-Service requirements in terms of throughput, bounded latency and reliability in smart application areas like industrial automation, vehicular networks, safety-critical operations, professional entertainment, etc.

Nour Mansour, University of Kassel, Germany

Nour Mansour received the B.Sc. degree in Electrical and Communications Engineering from Damascus university, in 2009. She received the M.Sc. degree in Electrical Communication Engineering in 2013 and the Ph.D. degree in Electrical Engineering in 2018, resp., from University of Kassel, Germany. Since 2018, she is a senior researcher in the Communication Laboratory (ComLab) at the Faculty of Electrical Engineering and Computer Science with the University of Kassel. Her research areas include wireless communications, machine learning and cross-layer optimization.

Jeroen Hoebeke, imec – Ghent University, Belgium

Jeroen Hoebeke received the Master’s degree in Engineering Computer Science from Ghent University in 2002. In 2007, he obtained a Ph.D. in Engineering Computer Science with his research on adaptive ad hoc routing and Virtual Private Ad Hoc Networks. Currently, he is an associate professor in the Internet Technology and Data Science Lab of Ghent University and imec. He is conducting and coordinating research on wireless (IoT) connectivity, embedded communication stacks, deterministic wireless communication and wireless network management.

Xianjun Jiao, imec – Ghent University, Belgium

Xianjun Jiao received his bachelor degree in Electrical Engineering from Nankai university in 2001 and Ph.D. degree in communication and information system from Peking University in 2006. Then, he worked as a developer and researcher in the leading wireless tech companies, such as Nokia, Microsoft and Apple. In 2016, he joined IDLab, a core research group of imec with research activities embedded in Ghent University and University of Antwerp. As a senior researcher at imec, he works on real-time Software Defined Radio (SDR) platform. His main interests are high-performance signal processing and parallel/heterogeneous computation in wireless communications. On his research track, many international patents/papers have been granted/published.

Jetmir Haxhibeqiri, imec – Ghent University, Belgium

Jetmir Haxhibeqiri received the Ph.D. degree in Computer Engineering from Ghent University, Belgium, in 2019 and the M.Sc. degree in Communication Engineering from RWTH Aachen University, Germany, in 2013. Before that, he finished his B.Sc. degree in Telecommunication from University of Prishtina, Kosovo, in 2010. Currently he is a senior researcher with IDLab research group at imec and Ghent University.

Josef Börcsök, University of Kassel, Germany

Josef Börcsök received his B.Sc. degree in 1986, the M.Sc. degree in 1991 and the Ph.D. in 1995 and his Habilitation in 2002. Since 2005, he is full professor at the Faculty of Electrical Engineering and Computer Science with Kassel University, Germany. His research areas include modelling of safety-related systems, safety chip technology (SoC) and Safety Systems on Chip (SSoC), cyberphysical systems, safe networks and distributed safety sensor systems.

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Published

2024-02-05

How to Cite

Dahlhaus, D. ., Moerman, I. ., Mansour, N. ., Hoebeke, J. ., Jiao, X. ., Haxhibeqiri, J. ., & Börcsök, J. . (2024). Towards Functional Safety in Dynamic Distributed Systems. Journal of Mobile Multimedia, 20(01), 157–180. https://doi.org/10.13052/jmm1550-4646.2016

Issue

2024: Vol 20 Iss 1

Section

6G: The Road for Future Wireless Networks (SOUL)