TCP Congestion Control Performance on a Highway in a Live LTE Network

Publikation: Beitrag in Buch/Bericht/Sammelwerk/KonferenzbandAufsatz in KonferenzbandForschungPeer-Review

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OriginalspracheEnglisch
Titel des Sammelwerks2020 IEEE 92nd Vehicular Technology Conference (VTC2020-Fall)
Herausgeber (Verlag)Institute of Electrical and Electronics Engineers Inc.
ISBN (elektronisch)9781728194844
ISBN (Print)978-1-7281-9485-1
PublikationsstatusVeröffentlicht - 2020
Veranstaltung92nd Vehicular Technology Conference (VTC2020-Fall) - online, online (Victoria), Kanada
Dauer: 18 Nov. 202020 Nov. 2020

Publikationsreihe

NameIEEE Vehicular Technology Conference
Band2020-November
ISSN (Print)1550-2252

Abstract

This paper investigates the behavior of several popular congestion control algorithms in LTE networks. Since TCP does not differentiate between different types of connections, the same loss-based congestion control algorithms are usually used with Ethernet, WiFi, and LTE. However, because packet losses are often concealed in LTE networks, the performance of such algorithms can be very poor, especially in mobile scenarios typical for LTE. We use measurements to analyze the behavior of these algorithms in a static case as well as a mobile scenario where the user equipment moves away from the eNodeB on a highway. In our measurements, we found that loss-based algorithms like Reno and CUBIC had trouble adjusting to quick changes of capacity due to their unawareness of packet losses, which also led to high delays. The combined delay- and loss-based approach of Compound TCP also performed poorly, as only the loss-based component was active most of the time. BBR (Bottleneck bandwidth and round-trip propagation time), a congestion control algorithm that adjusts its window based on changes in round-trip-times, was able to react to a changing capacity very quickly and therefore did not lead to additional delays like the other algorithms analyzed in this work.

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TCP Congestion Control Performance on a Highway in a Live LTE Network. / Akselrod, Mark; Fidler, Markus.
2020 IEEE 92nd Vehicular Technology Conference (VTC2020-Fall). Institute of Electrical and Electronics Engineers Inc., 2020. 9348515 (IEEE Vehicular Technology Conference; Band 2020-November).

Publikation: Beitrag in Buch/Bericht/Sammelwerk/KonferenzbandAufsatz in KonferenzbandForschungPeer-Review

Akselrod, M & Fidler, M 2020, TCP Congestion Control Performance on a Highway in a Live LTE Network. in 2020 IEEE 92nd Vehicular Technology Conference (VTC2020-Fall)., 9348515, IEEE Vehicular Technology Conference, Bd. 2020-November, Institute of Electrical and Electronics Engineers Inc., 92nd Vehicular Technology Conference (VTC2020-Fall), online (Victoria), Kanada, 18 Nov. 2020. https://doi.org/10.1109/VTC2020-Fall49728.2020.9348515
Akselrod, M., & Fidler, M. (2020). TCP Congestion Control Performance on a Highway in a Live LTE Network. In 2020 IEEE 92nd Vehicular Technology Conference (VTC2020-Fall) Artikel 9348515 (IEEE Vehicular Technology Conference; Band 2020-November). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/VTC2020-Fall49728.2020.9348515
Akselrod M, Fidler M. TCP Congestion Control Performance on a Highway in a Live LTE Network. in 2020 IEEE 92nd Vehicular Technology Conference (VTC2020-Fall). Institute of Electrical and Electronics Engineers Inc. 2020. 9348515. (IEEE Vehicular Technology Conference). doi: 10.1109/VTC2020-Fall49728.2020.9348515
Akselrod, Mark ; Fidler, Markus. / TCP Congestion Control Performance on a Highway in a Live LTE Network. 2020 IEEE 92nd Vehicular Technology Conference (VTC2020-Fall). Institute of Electrical and Electronics Engineers Inc., 2020. (IEEE Vehicular Technology Conference).
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