@inproceedings{
zhang2024an,
title={An In-depth Study of Bandwidth Allocation across  Media Sources in Video Conferencing},
author={Zejun Zhang and Xiao Zhu and Anlan Zhang and Feng Qian},
booktitle={ACM Multimedia 2024},
year={2024},
url={https://openreview.net/forum?id=TndpJ9Xi8k}
}
Video Conferencing Applications (VCAs) are indispensable for real-time communication in remote work and education by enabling simultaneous transmission of audio, video, and screen-sharing content. Despite their ubiquity, there is a noticeable lack of research on how these platforms allocate resources, especially under limited bandwidth constraints, and how these resource allocation strategies affect the Quality of Experience (QoE). This paper addresses this research gap by conducting an in-depth analysis of bandwidth allocation strategies among prominent VCAs, including Zoom, Webex, and Google Meet,  with an emphasis on their implications for QoE. To assess QoE effectively, we propose a general QoE model based on data collected from a user study involving over 800 participants. This study marks a pioneering effort in the extensive evaluation of multimedia transmissions across diverse scenarios for VCAs, representing a significant advancement over prior research that predominantly concentrated on the quality assessment of singular media types. The promising outcomes highlight the model's effectiveness and generalization in accurately predicting Quality of Experience (QoE) across various scenarios among VCAs.
An In-depth Study of Bandwidth Allocation across  Media Sources in Video Conferencing
Zejun Zhang Xiao Zhu Anlan Zhang Feng Qian