针对 HTTP 实时视频流的新型分布式多源优化速率控制解决方案

IF 3.2 1区 计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC IEEE Transactions on Broadcasting Pub Date : 2024-07-08 DOI:10.1109/TBC.2024.3391051
Shujie Yang;Chuxing Fang;Lujie Zhong;Mu Wang;Zan Zhou;Han Xiao;Hao Hao;Changqiao Xu;Gabriel-Miro Muntean
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引用次数: 0

摘要

HTTP 实时流以不同的比特率动态传送视频内容,以适应动态的实时带宽波动,同时考虑到不同的用户偏好和设备能力。现有的流量控制解决方案不支持多源内容传输等新功能。在本文中,我们提出了一种分布式多源速率控制优化算法(DMRCA),它能最大限度地提高整体网络带宽效用并改善观众的体验质量(QoE)。首先,我们将速率控制问题建模为多源和多速率双重优化问题。然后,我们将问题分解为源速率选择和用户速率适应两个子问题,并证明解决原始问题等同于解决这两个子问题。此外,我们还提出了 DMRCA 作为一种全分布式算法来解决这些子问题,并推导出一个最优解,我们还讨论了 DMRCA 的复杂性和收敛性。最后,通过一系列模拟测试,我们证明了与其他最先进的解决方案相比,我们提出的算法更胜一筹。
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A Novel Distributed Multi-Source Optimal Rate Control Solution for HTTP Live Video Streaming
HTTP live streaming delivers dynamically video content with varying bitrates to accommodate the dynamic real-time bandwidth fluctuations while considering diverse user preferences and device capabilities. Existing flow control solutions do not provide support for new features such as multi-source content transmission. In this paper, we propose a distributed multi-source rate control optimization algorithm (DMRCA) that maximizes the overall network bandwidth utility and improves viewer Quality of Experience (QoE). First, we model the rate control problem as a dual-optimized multi-source and multi-rate problem. Then, we decompose the problem into sub-problems of source rate selection and user rate adaptation and we prove that solving the original problem is equivalent to solving these two sub-problems. Furthermore, we propose DMRCA as a fully distributed algorithm to solve these sub-problems and derive an optimal solution and we discuss DMRCA’s complexity and convergence. Finally, through a series of simulation tests, we demonstrate the superiority of our proposed algorithm compared to alternative state-of-the-art solutions.
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来源期刊
IEEE Transactions on Broadcasting
IEEE Transactions on Broadcasting 工程技术-电信学
CiteScore
9.40
自引率
31.10%
发文量
79
审稿时长
6-12 weeks
期刊介绍: The Society’s Field of Interest is “Devices, equipment, techniques and systems related to broadcast technology, including the production, distribution, transmission, and propagation aspects.” In addition to this formal FOI statement, which is used to provide guidance to the Publications Committee in the selection of content, the AdCom has further resolved that “broadcast systems includes all aspects of transmission, propagation, and reception.”
期刊最新文献
Table of Contents 2024 Scott Helt Memorial Award for the Best Paper Published in the IEEE Transactions on Broadcasting IEEE Transactions on Broadcasting Publication Information IEEE Transactions on Broadcasting Information for Authors Enhancing Channel Estimation in Terrestrial Broadcast Communications Using Machine Learning
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