An Adaptive Control Design for ABR Service in ATM Networks(Network Management/Operation)

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概要

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• This paper presents an adaptive control design for the ABR traffic congestion control in ATM networks. Firstly, we consider a control-based mathematical model to the ABR traffic congestion control problem. Then the feedback pole placement control design is applied to the ATM ABR traffic congestion control problem for the case of known delays. Finally, by using the online plant parameter estimation algorithm and modifying the controller parameters adaptively in real time, a method to treat the case of unknown time-varying delays is proposed. Several design modifications are introduced to solve practical control issues such as bounded command rate constraint, output buffer saturation and bounded values to the plant parameter estimation algorithm. Simulations are implemented to verify the proposed control design. It is shown that while considering these practical control issues, the control method satisfies the requirements of fairness to users, network efficiency, unknown time-varying delays, queue length control and good convergence performance at an acceptable computation effort.

• 社団法人電子情報通信学会の論文
• 2005-07-01

著者

• Mori Yoshihiro

  Department Of Physics Faculty Of Science Tokyo University Of Science

• Mori Yoshihiro

  Department Of Chemistry Faculty Of Science Hokkaido University

• Kuroe Y

  Kyoto Inst. Technol. Jpn

• Kuroe Yasuaki

  Department Of Electronics And Information Science Kyoto Institute Of Technology

• Mori Yoshihiro

  Kyoto Inst. Of Technol. Kyoto‐shi Jpn

• Nguyen Thang

  Kyoto Institute Of Technology Electronics And Information Science Department

• Nguyen Thang

  Department Of Obstetrics And Gynecology Osaka University Graduate School Of Medicine

• MORI Takehiro

  Department of Organic and Polymeric Materials,Tokyo Institute of Technology

• Mori Takehiro

  Kyoto Institute Of Technology Electronics And Information Science Department

• Mori Takehiro

  Department Of Electronics & Information Science Kyoto Institute Of Technology

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