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  4. Improving MAC Protocols for Wireless Industrial Networks via Packet Prioritization and Cooperation
 
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2020
Conference Paper
Title

Improving MAC Protocols for Wireless Industrial Networks via Packet Prioritization and Cooperation

Abstract
Stations in Cyber-Physical Systems (CPSs) and especially Industrial Internet of Things applications often work towards a common goal, but not all their tasks may be equally important to reach this goal. Hence, stations need to prioritize traffic because network resources are limited. To increase the service quality by utilizing otherwise unused network resources, stations may also opt to use cooperation instead of contention. Many existing standards and academic approaches focus on implementing either cooperation or Quality of Service (QoS) mechanisms. In this paper, we evaluate how to leverage cooperation to improve QoS. Since stations in wireless industrial applications often communicate locally, we focus on the MAC layer. We identify a set of useful cooperation mechanisms that increase the packet delivery ratio, and then extend them by several packet prioritization strategies and evaluate in multiple simulated industrial scenarios. As a result, we provide a set of guidelines for protocol designers to combine different mechanisms depending on the requirements imposed by industrial applications. Moreover, we provide and evaluate an exemplary combination of mechanisms derived from our results aiming at high reliability and low latency.
Author(s)
Kirchhof, J.C.
Serror, M.
Glebke, R.
Wehrle, K.
Mainwork
21st IEEE International Symposium on a World of Wireless, Mobile and Multimedia Networks, WoWMoM 2020  
Project(s)
Cyber-Physical Networking
Internet of Production
Funder
Deutsche Forschungsgemeinschaft DFG  
Deutsche Forschungsgemeinschaft DFG  
Conference
International Symposium on a World of Wireless, Mobile and Multimedia Networks (WoWMoM) 2020  
DOI
10.1109/WoWMoM49955.2020.00068
Language
English
Fraunhofer-Institut für Kommunikation, Informationsverarbeitung und Ergonomie FKIE  
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