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Comparison of PI controllers designed for the delay model of TCP/AQM networks
Hakk? Ula? Ünal
DANIEL ALEJANDRO MELCHOR AGUILAR
Deniz Ustebay
Silviu Iulian Niculescu
Hitay Ozbay
Acceso Abierto
Atribución-NoComercial-SinDerivadas
https://doi.org/10.1016/j.comcom.2013.03.001
Active Queue Management
Delay systems
PI Controller
Network congestion
TCP/IP
"One of the major problems of communication networks is congestion. In order to address this problem in TCP/IP networks, Active Queue Management (AQM) scheme is recommended. AQM aims to minimize the congestion by regulating the average queue size at the routers. To improve upon AQM, recently, several feedback control approaches were proposed. Among these approaches, PI controllers are gaining attention because of their simplicity and ease of implementation. In this paper, by utilizing the fluid-flow model of TCP networks, we study the PI controllers designed for TCP/AQM. We compare these controllers by first analyzing their robustness and fragility. Then, we implement these controllers in ns-2 platform and conduct simulation experiments to compare their performances in terms of queue length. Taken together, our results provide a guideline for choosing a PI controller for AQM given specific performance requirements."
Elsevier Science BV
2013-06
Artículo
Hakkı Ulaş Ünal, Daniel Melchor-Aguilar, Deniz Üstebay, Silviu-Iulian Niculescu, Hitay Özbay, Comparison of PI controllers designed for the delay model of TCP/AQM networks, Computer Communications, Volume 36, Issues 10–11, 2013, Pages 1225-1234.
MATEMÁTICAS
Versión aceptada
acceptedVersion - Versión aceptada
Aparece en las colecciones: Publicaciones Científicas Control y Sistemas Dinámicos

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