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Using radio network feedback to improve TCP performance over cellular networks
KTH, School of Electrical Engineering (EES), Automatic Control.
KTH, School of Electrical Engineering (EES), Automatic Control.
KTH, School of Electrical Engineering (EES), Automatic Control.ORCID iD: 0000-0001-9940-5929
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2005 (English)In: Proceedings of the 44th IEEE Conference on Decision and Control, and the European Control Conference 2005, IEEE , 2005, 7434-7439 p.Conference paper, Published paper (Refereed)
Abstract [en]

A new control structure is proposed to improve user experience of wireless Internet. Information on radio bandwidth and queue length available in the radio network controller (RNC), close to the base station, is used in a proxy that resides between the Internet and the cellular system. The control algorithm in the proxy sets the window size according to event-triggered information on radio bandwidth changes and time-triggered information on the queue length of the RNC. A stability analysis of the hybrid control system is performed. In a number of realistic use cases evaluated in ns-2, the new control structure is compared to a nominal one that employs end-to-end TCP Reno. It is shown that the proposed solution reduces the time to serve users, increases the radio link utilization, and decreases the required buffer size in the RNC.

Place, publisher, year, edition, pages
IEEE , 2005. 7434-7439 p.
Series
IEEE Conference on Decision and Control, ISSN 0191-2216
Keyword [en]
Bandwidth, Base stations, Cellular networks, Control systems, Feedback, IP networks, Internet, Land mobile radio cellular systems, Radio control, Radio network
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:kth:diva-84690DOI: 10.1109/CDC.2005.1583361ISI: 000240653707015Scopus ID: 2-s2.0-33847198704ISBN: 0-7803-9568-9 (print)OAI: oai:DiVA.org:kth-84690DiVA: diva2:499514
Conference
IEEE CDC-ECC, Seville, Spain, December 12-15, 2005
Note

© 2005 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. Qc 20120220

Available from: 2012-02-20 Created: 2012-02-13 Last updated: 2012-09-21Bibliographically approved

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Johansson, Karl Henrik

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