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Binary ABR flow control over ATM networks with uncertainty using discrete-time variable structure controller

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Abstract

A binary available bit rate (ABR) scheme based on discrete-time variable structure control (DVSC) theory is proposed to solve the problem of asynchronous transfer mode (ATM) networks congestion in this paper. A discrete-time system model with uncertainty is introduced to depict the time-varying ATM networks. Based on the system model, an asymptotically stable sliding surface is designed by linear matrix inequality (LMI). In addition, a novel discrete-time reaching law that can obviously reduce chatter is also put forward. The proposed discrete-time variable structure controller can effectively constrain the oscillation of allowed cell rate (ACR) and the queue length in a router. Moreover, the controller is self-adaptive against the uncertainty in the system. Simulations are done in different scenarios. The results demonstrate that the controller has better stability and robustness than the traditional binary flow controller, so it is good for adequately exerting the simplicity of binary flow control mechanisms.

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Correspondence to Ming Yan.

Additional information

This work was supported by the National Natural Science Foundation of China (No.60274009) and Specialized Research Fund for the Doctoral Program of Higher Education (No.20020145007).

Ming YAN received the B.S. and M.S. degrees from Northeastern University in 1997 and 2003, respectively. He is currently a Ph.D. candidate of School of Information Science and Engineering, Northeastern University. His research interests include network congestion control and variable structure control.

Yuanwei JING was born in 1956, in Shenyang, China. He currently works at Northeastern University as a professor and supervisor of Ph.D. candidates. He received his B.S. degree from Liaoning University in Mathematics Department in 1981. He also received the M.S. and Ph.D. degrees in Automatic Control Department of Northeastern University in 1984 and 1988 respectively. As a Post-doctor fellow, he did research in Faculty of Electrical Engineer of Saint Cyril and Saint Methodius University in 1996. From 1998 to 1999, he was a senior visiting scholar in Faculty of Computer Science Telecommunication of Missouri-Kansas City University. His research interests include complex systems, telecommunication control etc.

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Yan, M., Jing, Y. Binary ABR flow control over ATM networks with uncertainty using discrete-time variable structure controller. J. Control Theory Appl. 6, 16–21 (2008). https://doi.org/10.1007/s11768-008-7185-9

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  • DOI: https://doi.org/10.1007/s11768-008-7185-9

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