QoS-Driven Contextual MAB for MPQUIC Supporting Video Streaming in Mobile Networks

IF 7.7 2区 计算机科学 Q1 COMPUTER SCIENCE, INFORMATION SYSTEMS
Wenjun Yang;Lin Cai;Shengjie Shu;Amir Sepahi;Zhiming Huang;Jianping Pan
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Abstract

Video streaming performance may degrade substantially in a mobile environment due to fast-changing wireless links. On the other hand, to provide ubiquitous services, heterogeneous static and mobile access and backbone networks will be integrated in the sixth-generation (6G) systems, so mobile users can take advantage of multiple access options for better services. Multi-path transport-layer protocols like Multi-Path QUIC (MPQUIC) show promise in utilizing multiple access links to address the impact of mobility. However, the optimal link selection that aims to provide statistical QoS guarantee for video streaming in a mobile environment with both user mobility and network mobility remains an open issue. In this paper, based on a lightweight Multi-Armed Bandit (MAB) technique, we develop a QoS-driven Contextual MAB (QC-MAB) framework for MPQUIC, which makes an intelligent access network selection and adaptively enables FEC coding to trade off delay, reliability and goodput. Extensive simulation results with ns-3 show that the proposed QC-MAB framework can outperform the state-of-the-art solutions. It achieves up to ten times lower video interruption ratio and three times higher goodput in highly dynamic mobile environments.
移动网络中支持视频流的MPQUIC qos驱动的上下文MAB
在移动环境中,由于无线链路的快速变化,视频流性能可能会大幅下降。另一方面,为了提供无处不在的业务,异构静态和移动接入以及骨干网络将在第六代(6G)系统中集成,因此移动用户可以利用多种接入选项来获得更好的服务。多路径传输层协议,如多路径QUIC (MPQUIC),在利用多访问链路来解决移动性的影响方面表现出了希望。然而,在具有用户移动性和网络移动性的移动环境中,为视频流提供统计QoS保证的最优链路选择仍然是一个悬而未决的问题。本文基于一种轻量级的多臂Bandit (MAB)技术,开发了一种qos驱动的MPQUIC上下文MAB (QC-MAB)框架,该框架可以智能地选择接入网,并自适应地使FEC编码能够权衡延迟、可靠性和良好的性能。ns-3的大量仿真结果表明,所提出的QC-MAB框架可以优于最先进的解决方案。在高动态的移动环境中,视频中断率降低10倍,画质提高3倍。
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来源期刊
IEEE Transactions on Mobile Computing
IEEE Transactions on Mobile Computing 工程技术-电信学
CiteScore
12.90
自引率
2.50%
发文量
403
审稿时长
6.6 months
期刊介绍: IEEE Transactions on Mobile Computing addresses key technical issues related to various aspects of mobile computing. This includes (a) architectures, (b) support services, (c) algorithm/protocol design and analysis, (d) mobile environments, (e) mobile communication systems, (f) applications, and (g) emerging technologies. Topics of interest span a wide range, covering aspects like mobile networks and hosts, mobility management, multimedia, operating system support, power management, online and mobile environments, security, scalability, reliability, and emerging technologies such as wearable computers, body area networks, and wireless sensor networks. The journal serves as a comprehensive platform for advancements in mobile computing research.
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