TGT-HC：无线TSN的时间感知整形MAC的研究、设计与评价

IF 7.7 2区计算机科学 Q1 COMPUTER SCIENCE, INFORMATION SYSTEMS

IEEE Transactions on Mobile Computing Pub Date : 2025-01-28 DOI:10.1109/TMC.2025.3535413

Raymond J. Jayabal;David Tung Chong Wong;Lee Kee Goh;Xiaojuan Zhang;Chin Ming Pang;Sumei Sun

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引用次数: 0

摘要

超可靠低延迟通信（URLLC）和时间敏感网络（TSN）对于增强5G和Wi-Fi 6/7以支持实时工业自动化至关重要。然而，我们的调查显示，现有的介质访问控制（MAC）方案仍然面临未解决的延迟问题。介绍了一种新的无争用载波感知多址（CSMA）方案——传输门控时间超信道（TGT-HC），该方案由逐流时间感知整形器（TAS）调度程序驱动。我们的分析结果、模拟和通用软件无线电外设（USRP）的原型表明，TGT-HC即使在高帧错误率（fer）下，也能实现与实时循环流量的先到先服务（FCFS）单服务器相当的延迟性能。鉴于其良好的性能，我们主张重新考虑无争用CSMA作为下一代URLLC/TSN中可行的MAC方案。

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Survey, Design and Evaluation of TGT-HC: A Time-Aware Shaper MAC for Wireless TSN

Ultra-Reliable Low-Latency Communication (URLLC) and Time-Sensitive Networking (TSN) are essential for enhancing 5G and Wi-Fi 6/7 to support real-time industrial automation. However, our survey shows that existing Medium Access Control (MAC) schemes still face unresolved latency issues. This paper introduces the Transmission Gating Time Hyperchannel (TGT-HC), a novel contention-free Carrier-Sense Multiple Access (CSMA) scheme driven by a per-flow Time-Aware Shaper (TAS) scheduler. Our analytical results, simulations, and prototyping with the Universal Software Radio Peripheral (USRP) demonstrate that TGT-HC achieves latency performance comparable to a First-Come-First-Served (FCFS) single server for real-time cyclic traffic, even under high frame error rates (FERs). Given its promising performance, we advocate for reconsidering contention-free CSMA as a viable MAC scheme in next-generation URLLC/TSN.

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来源期刊

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.