Cited 15 time in webofscience Cited 17 time in scopus

Anti-windup compensator for active queue management in TCP networks

Title
Anti-windup compensator for active queue management in TCP networks
Authors
Park, Kyung-JoonLim, HyukBasar, TamerChoi, Chong-Ho
DGIST Authors
Park, Kyung-Joon
Issue Date
2003-10
Citation
Control Engineering Practice, 11(10), 1127-1142
Type
Article
Article Type
Article
Keywords
active queue managementTCP congestion controlproportional-integral controlanti-windup method
ISSN
0967-0661
Abstract
In this paper, we apply a dynamic anti-windup scheme for improving the performance of a conventional proportional-integral (PI) controller for active queue management (AQM) supporting TCP flows. When a PI controller is used for AQM, the windup phenomenon of the integral action can cause performance degradation because the packet drop probability is limited between 0 and 1. Therefore we suggest a TCP/AQM model with a saturating actuator and apply a dynamic anti-windup method for improving the performance of the conventional PI AQM scheme. The proposed scheme not only provides graceful performance degradation, but also guarantees the stability of the overall system with the linearized TCP model. We verify the performance of the proposed scheme through ns-2 simulations. The simulation results show that our scheme outperforms the conventional PI controller when the traffic load is not stationary, which is always the case in real network environment. © 2003 Elsevier Science Ltd. All rights reserved.
URI
http://hdl.handle.net/20.500.11750/6520
DOI
10.1016/s0967-0661(03)00059-5
Publisher
Elsevier Ltd
Related Researcher
  • Author Park, Kyung-Joon CSI(Cyber-Physical Systems Integration) Lab
  • Research Interests Cyber-Physical Systems; 무선 센서-액츄에이터 네트워크; 스마트 팩토리
Files:
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Collection:
Department of Information and Communication EngineeringCSI(Cyber-Physical Systems Integration) Lab1. Journal Articles


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