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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: 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 & Sons, Ltd.
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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