Comparison of TCP SIAD and TCP BBR Congestion Control in Simulated 5G Networks

Donát Scharnitzky; Zsolt Krämer; Sándor Molnár

doi:10.2478/auseme-2021-0009

Abstract

5G cellular networks have introduced a completely novel air interface called New Radio (NR). This technology delivers numerous benefits compared to previous generations, including significantly higher peak data rates. However, due to the propagation properties of the frequencies used in NR, the volatility of the available downlink capacity also increases. In this paper, we study two TCP congestion control algorithms which are designed to be able to quickly utilize sudden increases in available capacity. We present an implementation of TCP SIAD in the ns-3 open source network simulator and compare its performance with TCP BBR using the mmWave module of the simulator.

References

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Comparison of TCP SIAD and TCP BBR Congestion Control in Simulated 5G Networks

Abstract

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