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Recent trends on QoS for wireless networked controlled systems


A. Panousopoulou, G. Nikolakopoulos, A. Tzes, J. Lygeros

The Mediterranean Journal of Computers and Networks, vol. 2, no. 1, pp. 31-40

In this paper a survey of the recent trends on Quality of Service (QoS) mechanisms for Wireless Networked Controlled Systems (WiNCS) is presented. Our objective is to provide a comprehensive view of the various components required for sufficient QoS from a “Networked Controlled Systems” point of view. We concentrate on ad–hoc wireless networks, due to their importance for real time control applications. QoS–requirements have two interpretations: (a) provide the necessary bandwidth for transmission, and (b) ensure that the delay transmission will be bounded. The present survey paper is an attempt to emphasize in the QoS mechanisms that might provide efficient solutions in control–related applications. The presented QoS mechanisms are categorized with respect to the classical Open Source Interconnection (OSI) Reference Model (RM) Protocol Stack (PS) they are serving; the Physical Layer QoS considerations are introduced, the MAC Sub layer solutions are proposed and Network Layer mechanisms outline the current trends in QoS issues. Although QoS and Networked Controlled Systems is a research field still in its infancy, some interesting control–related applications with QoS considerations are presented in order to integrate the current survey and provide motivation for a QoS control dedicated definition Keywords Quality of Service, OSI Reference Model, Wireless Networked Controlled Systems.


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% Autogenerated BibTeX entry
@Article { PanEtal:2006:IFA_2620,
    author={A. Panousopoulou and G. Nikolakopoulos and A. Tzes and J. Lygeros},
    title={{Recent trends on QoS for wireless networked controlled
    journal={The Mediterranean Journal of Computers and Networks},
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