Title: Coexistence Management Methods and Tools for IO-Link Wireless
Authors: Krush, Dmytro
Cammin, Christoph 
Döbbert, Thomas Robert 
Heynicke, Ralf 
Scholl, Gerd 
Language: eng
Keywords: Wireless communication;IO-Link Wireless;Wireless Coexistence;Industry 4.0;Industrial Wireless Network
Issue Date: 2021
Publisher: IEEE
Document Type: Conference Object
Page Start: 151
Page End: 158
Published in (Book): 17th IEEE International Conference on Factory Communication Systems (WFCS)
Publisher Place: Piscataway
Conference: 17th IEEE International Conference on Factory Communication Systems (WFCS)
Wireless communication systems are enabler technologies for modern and flexible production concepts, essentially within the Industry 4.0 directive. For reliable low-latency wireless communication, the availability of frequency spectrum is a general prerequisite. IO-Link Wireless (IOLW) is a vendor-independent wireless communication standard, which operates in the 2.4 GHz ISM (Industrial, Scientific, Medical) band and especially addresses the requirements of industrial discrete manufacturing processes. The 2.4 GHz ISM band is used by various other radio systems, making coexistence management a fundamental challenge. Blacklisting and frequency hopping schemes are specified to increase the IOLWcoexistence behavior. In this paper coexistence management methods and tools, which can be employed for IOLW are presented. These tools can be used to enhance the coexistence behavior and thus the reliability, and at the same time, reduce energy consumption. After an introduction and a detailed presentation of IOLW, a software tool is presented that allows to implement an intelligent frequency management by adapting blacklists to the respective coexistence and boundary conditions. This is based on generic measurements, which are also shown in this paper. Finally, a conclusion and an outlook for further integration into an overall system are given.
Organization Units (connected with the publication): Elektrische Messtechnik 
ISBN: 978-1-6654-2478-3
Publisher DOI: 10.1109/WFCS46889.2021.9483594
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