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TCP behaviour in LTE: impact of flow start-up and mobility
University of the Basque Country.
University of the Basque Country.
Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Mathematics and Computer Science. (Distributed Systems and Communications Research Group (DISCO))ORCID iD: 0000-0003-4147-9487
Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Mathematics and Computer Science. (DISCO)
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2016 (English)In: Wireless and Mobile Networking Conference (WMNC), 2016 9th IFIP, IEEE, 2016, 73-80 p.Conference paper (Refereed)
Abstract [en]

Nowadays, more than two billion people uses the mobile internet, and it is expected to rise to almost 4 billion by 2020. Still, there is a gap in the understanding of how TCP and its many variants work over LTE. To this end, this paper evaluates the extent to which five common TCP variants, CUBIC, NewReno, Westwood+, Illinois, and CAIA Delay Gradient (CDG), are able to utilise available radio resources under hard conditions, such as during start-up and in mobile scenarios at different speeds. The paper suggests that CUBIC, due to its Hybrid Slow- Start mechanism, enters congestion avoidance prematurely, and thus experiences a prolonged start-up phase, and is unable to efficiently utilise radio resources during shorter transmission sessions. Still, CUBIC, Illinois and NewReno, i.e., the loss-based TCP implementations, offer better throughput, and are able to better utilise available resources during mobility than Westwood+ and CDG – the delay-based variants do. 

Place, publisher, year, edition, pages
IEEE, 2016. 73-80 p.
Keyword [en]
TCP adaptability, LTE, Slow-Start, Hybrid Slow-Start, mobility
National Category
Telecommunications
Research subject
Computer Science
Identifiers
URN: urn:nbn:se:kau:diva-41977DOI: 10.1109/WMNC.2016.7543932ISI: 000383221300010OAI: oai:DiVA.org:kau-41977DiVA: diva2:926467
Conference
The 9th IFIP Wireless and Mobile Networking Conference (IFIP WMNC), Colmar, France, July 11-13
Projects
COST-IC1304
Funder
EU, European Research Council, IC1304
Available from: 2016-05-06 Created: 2016-05-06 Last updated: 2016-11-24Bibliographically approved

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Grinnemo, Karl-JohanBrunström, Anna
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