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Type: Journal article
Title: Application of model-free LQG subspace predictive control to TCP congestion control
Author: Chiera, B.
White, L.
Citation: International Journal of Adaptive Control and Signal Processing, 2008; 22(6):551-568
Publisher: John Wiley & Sons Ltd
Issue Date: 2008
ISSN: 0890-6327
Statement of
Belinda A. Chiera and Langford B. White
Abstract: <jats:title>Abstract</jats:title><jats:p>We investigate the application of a model‐free linear quadratic Gaussian (LQG) subspace‐based predictive controller to Internet congestion control. Specifically, we consider a classically designed LQG linear congestion controller with a non‐standard performance index and determine whether a model‐free controller is a viable alternative in this instance. We employ the model‐free subspace predictive controller methodology which we customize for end‐to‐end transmission control protocol (TCP) congestion control. A series of network simulations support the use of the more easily implementable model‐free controller over its classical analogue. We further demonstrate that the model‐free controller provides increased stability under transient network conditions when compared with the first feedback congestion controller, TCP Vegas. Copyright © 2007 John Wiley &amp; Sons, Ltd.</jats:p>
Keywords: subspace predictive control
model-free LQG
TCP congestion control
DOI: 10.1002/acs.999
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Appears in Collections:Aurora harvest
Electrical and Electronic Engineering publications

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