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On the move with TCP in current and future mobile networks
University of the Basque Country, Spain.
Karlstads universitet, Fakulteten för hälsa, natur- och teknikvetenskap (from 2013), Institutionen för matematik och datavetenskap (from 2013). (Distributed Systems and Communications Research Group (DISCO))ORCID-id: 0000-0003-4147-9487
University of the Basque Country, Spain.
Kristianstad University, Sweden.
Vise andre og tillknytning
2017 (engelsk)Inngår i: Proceedings of the 2017 8th International Conference on the Network of the Future (NOF). / [ed] T. Mahmoodi, S. Secci, A. Cianfrani, F. Idzikowski, New York, USA: IEEE, 2017, s. 66-72Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

Mobile wireless networks constitute an indispensable part of the global Internet, and with TCP the dominating transport protocol on the Internet, it is vital that TCP works equally well over these networks as over wired ones. This paper identifies the performance dependencies by analyzing the responsiveness of TCP NewReno and TCP CUBIC when subject to bandwidth variations related to movements in different directions. The presented evaluation complements previous studies on 4G mobile networks in two important ways: It primarily focuses on the behavior of the TCP congestion control in medium- to high-velocity mobility scenarios, and it not only considers the current 4G mobile networks, but also low latency configurations that move towards the overall potential delays in 5G networks. The paper suggests that while both CUBIC and NewReno give similar goodput in scenarios where the radio channel continuously degrades, CUBIC gives a significantly better goodput in scenarios where the radio channel quality continuously increases. This is due to CUBIC probing more aggressively for additional bandwidth. Important for the design of 5G networks, the obtained results also demonstrate that very low latencies are capable of equalizing the goodput performance of different congestion control algorithms. Only in low latency scenarios that combine both large fluctuations of available bandwidths and a mobility pattern in which the radio channel quality continuously increases can some performance differences be noticed.

sted, utgiver, år, opplag, sider
New York, USA: IEEE, 2017. s. 66-72
Serie
International Conference on the Network of the Future, ISSN 2377-8652
Emneord [en]
mobile network, 4G, 5G, TCP, congestion control, NewReno, CUBIC, latency, throughput
HSV kategori
Forskningsprogram
Datavetenskap
Identifikatorer
URN: urn:nbn:se:kau:diva-62805DOI: 10.1109/NOF.2017.8251222ISI: 000427145800011ISBN: 978-1-5386-0554-7 (tryckt)OAI: oai:DiVA.org:kau-62805DiVA, id: diva2:1136032
Konferanse
8th International Conference on the Network of the Future (NOF), NOV 22-24, 2017, London, England
Forskningsfinansiär
EU, Horizon 2020, COST-IC1304Tilgjengelig fra: 2017-08-25 Laget: 2017-08-25 Sist oppdatert: 2018-10-11bibliografisk kontrollert

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Grinnemo, Karl-JohanBrunström, Anna

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