Behaviour of common TCP variants over LTE

This paper aims at increasing our understanding of the behaviour of some of the major TCP variants in LTE networks. A simulation study on the behaviour of seven TCP variants is performed. The evolution of the throughput, congestion window and queuing delay are studied for four scenarios with different network loads and flow types. Our measurements show that, in average radio conditions, most variants are able to quickly reach full link utilisation. However, to achieve the same throughput, they create different amounts of queuing delay. On the one hand, loss-based algorithms tend to completely fill the queue, creating huge queuing delays and inducing packet losses. On the other hand, delay-based variants manage to limit the queue size and decrease the amount of packets dropped by the eNodeB, but struggle to reach the maximum throughput in some circumstances.

Atxutegi, Eneko NarbonaUniversity of the Basque Country, Spain (author)
Arvidsson, ÅkeKristianstad University, Sweden & Ericsson AB (author)
Liberal, FidelUniversity of the Basque Country, Spain (author)
Brunström, Anna,1967-Karlstads universitet,Institutionen för matematik och datavetenskap (from 2013),DISCO(Swepub:kau)annabrun (author)
Grinnemo, Karl-Johan,1968-Karlstads universitet,Avdelningen för datavetenskap,Institutionen för matematik och datavetenskap (from 2013),Distributed Systems and Communications Research Group (DISCO)(Swepub:kau)karlgrin (author)
Ericsson ABUniversity of the Basque Country, Spain (creator_code:org_t)

By the author/editor: Robert, Rémi; Atxutegi, Eneko ...; Arvidsson, Åke; Liberal, Fidel; Brunström, Anna, ...; Grinnemo, Karl-J ...

About the subject

ENGINEERING AND TECHNOLOGY: ENGINEERING AND ...; and Electrical Engin ...; and Telecommunicatio ...

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