WiFi TSN: Enabling Deterministic Wireless Connectivity over 802.11

Q1 Social Sciences

IEEE Communications Standards Magazine Pub Date : 2022-12-01 DOI:10.1109/MCOMSTD.0002.2200039

D. Cavalcanti, C. Cordeiro, Malcolm Smith, A. Regev

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引用次数: 5

Abstract

New applications are emerging that bring new and stricter requirements for WiFi. Smart factories, mobile and collaborative robots, and Extended Reality (XR) demand deterministic wireless connectivity with ultra-low latency. This article focuses on the challenges and enhancements supporting Time-Sensitive Networking (TSN) that enable WiFi to support usages that require deterministic operation. The article reviews existing and future time-sensitive applications and their connectivity requirements. It discusses the evolution of the TSN capabilities supported by various WiFi generations, from legacy standards to the latest 802.11ax specification and the ongoing progress in the 802.11be Task Group specific to deterministic operation. The article also discusses the open challenges for next generation WiFi, including ultra-low latency (sub-millisecond) with higher efficiency. The article concludes with a review of the TSN ecosystem activities toward interoperability testing and certification of WiFi TSN and discusses testbed results demonstrating the 802.11ax and 802.11be tools to achieve deterministic operation.

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WiFi TSN:通过802.11实现确定性无线连接

新的应用程序正在出现，对WiFi提出了新的更严格的要求。智能工厂、移动和协作机器人以及扩展现实（XR）需要具有超低延迟的确定性无线连接。本文重点介绍支持时间敏感网络（TSN）的挑战和增强功能，这些功能使WiFi能够支持需要确定性操作的用途。本文回顾了现有和未来的时间敏感应用程序及其连接需求。它讨论了不同WiFi代支持的TSN功能的演变，从传统标准到最新的802.11ax规范，以及802.11be任务组中特定于确定性操作的持续进展。文章还讨论了下一代WiFi面临的开放挑战，包括更高效率的超低延迟（亚毫秒）。文章最后回顾了TSN生态系统在WiFi TSN互操作性测试和认证方面的活动，并讨论了证明802.11ax和802.11be工具实现确定性操作的测试台结果。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

IEEE Communications Standards Magazine Social Sciences-Law

CiteScore

10.80

自引率

0.00%

发文量