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IEEE 802.11be 中的时间敏感网络：迈向低延迟 WiFi 7 的路上。

Time-Sensitive Networking in IEEE 802.11be: On the Way to Low-Latency WiFi 7.

机构信息

Department of Information and Communication Technologies, Universitat Pompeu Fabra, Carrer de Roc Boronat 138, 08018 Barcelona, Spain.

出版信息

Sensors (Basel). 2021 Jul 21;21(15):4954. doi: 10.3390/s21154954.

DOI:10.3390/s21154954
PMID:34372190
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8347193/
Abstract

A short time after the official launch of WiFi 6, IEEE 802.11 working groups along with the WiFi Alliance are already designing its successor in the wireless local area network (WLAN) ecosystem: WiFi 7. With the IEEE 802.11be amendment as one of its main constituent parts, future WiFi 7 aims to include time-sensitive networking (TSN) capabilities to support low latency and ultra-reliability in license-exempt spectrum bands, enabling many new Internet of Things scenarios. This article first introduces the key features of IEEE 802.11be, which are then used as the basis to discuss how TSN functionalities could be implemented in WiFi 7. Finally, the benefits and requirements of the most representative Internet of Things low-latency use cases for WiFi 7 are reviewed: multimedia, healthcare, industrial, and transport.

摘要

在 WiFi 6 正式发布后不久，IEEE 802.11 工作组和 WiFi 联盟已经在设计其在无线局域网 (WLAN) 生态系统中的后继者：WiFi 7。作为其主要组成部分之一的 IEEE 802.11be 修正案，未来的 WiFi 7 旨在包括时间敏感网络 (TSN) 功能，以支持免许可频谱频段中的低延迟和超高可靠性，从而实现许多新的物联网场景。本文首先介绍了 IEEE 802.11be 的关键特性，然后以此为基础讨论如何在 WiFi 7 中实现 TSN 功能。最后，回顾了 WiFi 7 最具代表性的物联网低延迟用例的好处和要求：多媒体、医疗保健、工业和交通。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/af56/8347193/7eee3b71d488/sensors-21-04954-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/af56/8347193/36029283451e/sensors-21-04954-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/af56/8347193/4381fbc4a440/sensors-21-04954-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/af56/8347193/9b179553693f/sensors-21-04954-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/af56/8347193/7ae7f4a332d6/sensors-21-04954-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/af56/8347193/1dcd025dc44b/sensors-21-04954-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/af56/8347193/0929d2e74e05/sensors-21-04954-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/af56/8347193/ded77cf2a29f/sensors-21-04954-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/af56/8347193/e0485d11f99b/sensors-21-04954-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/af56/8347193/7eee3b71d488/sensors-21-04954-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/af56/8347193/36029283451e/sensors-21-04954-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/af56/8347193/4381fbc4a440/sensors-21-04954-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/af56/8347193/9b179553693f/sensors-21-04954-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/af56/8347193/7ae7f4a332d6/sensors-21-04954-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/af56/8347193/1dcd025dc44b/sensors-21-04954-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/af56/8347193/0929d2e74e05/sensors-21-04954-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/af56/8347193/ded77cf2a29f/sensors-21-04954-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/af56/8347193/e0485d11f99b/sensors-21-04954-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/af56/8347193/7eee3b71d488/sensors-21-04954-g009.jpg

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