Work

Understanding the Impact of Cellular RAN-induced Delay on Video Conferencing

Year: 2024

Type: conference-paper

Abstract: Congestion-control algorithms for video-conferencing applications work well in wired networks but are fragile in cellular networks due to high delay variations and variable capacity in these networks. This paper investigates the causes of delay variations in cellular networks using a cross-layer approach. By measuring a WebRTC application over LTE at both the physical and network layers, we identify the effects of such delay inflation caused by physical-layer resource scheduling and link-layer retransmissions.

Source: Proceedings of the 28th Annual International Conference on Mobile Computing And Networking

DOI: 10.1145/3636534.3697445

Authors: Fan Yi, Oliver Michel, Haoran Wan, Kyle Jamieson

Institution: Princeton University

Language: English

Topic: Network Traffic and Congestion Control

Subfield: Computer Networks and Communications

Field: Computer Science

Domain: Physical Sciences

Open Access status: hybrid

Funder: National Science Foundation

Award: IMR: MT: Fine-Grained Telemetry for Next-Generation Cellular Access Networks (NG-Scope)