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

Toni Adame¹, Marc Carrascosa-Zamacois¹, Boris Bellalta¹

¹Department of Information and Communication Technologies, Universitat Pompeu Fabra, Carrer de Roc Boronat 138, 08018 Barcelona, Spain.

Sensors (Basel, Switzerland)

|August 10, 2021

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WiFi 7, based on IEEE 802.11be, will integrate time-sensitive networking (TSN) for ultra-reliable, low-latency wireless local area networks (WLANs). This advancement supports new Internet of Things (IoT) applications in various sectors.

Area of Science:

Networking and Communications
Wireless Technology
Internet of Things

Background:

WiFi 6 has recently launched, but development for its successor, WiFi 7 (IEEE 802.11be), is already underway.
The WiFi Alliance and IEEE 802.11 working groups are designing WiFi 7 to enhance wireless local area network (WLAN) capabilities.
Future WiFi 7 aims to incorporate time-sensitive networking (TSN) to address the growing demand for low latency and ultra-reliability.

Purpose of the Study:

To introduce the key features of the IEEE 802.11be amendment, forming the foundation of WiFi 7.
To discuss the implementation strategies for time-sensitive networking (TSN) functionalities within the WiFi 7 framework.
To review the benefits and requirements of critical low-latency Internet of Things (IoT) use cases for WiFi 7.

Main Methods:

Keywords:

IEEE 802.11be WiFi 7 low-latency communications time-sensitive networking (TSN)

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Analysis of the IEEE 802.11be amendment's technical specifications.
Exploration of TSN integration possibilities within the WiFi 7 architecture.
Review and assessment of representative IoT use cases, including multimedia, healthcare, industrial, and transport.

Main Results:

Key features of IEEE 802.11be are identified as crucial for WiFi 7's advancements.
Potential methods for implementing TSN in WiFi 7 are discussed, focusing on low latency and high reliability.
Specific IoT applications like multimedia streaming, remote healthcare, industrial automation, and intelligent transport systems are analyzed for their suitability and requirements.

Conclusions:

WiFi 7, incorporating IEEE 802.11be and TSN, is poised to deliver significant improvements in wireless network performance.
The integration of TSN in WiFi 7 will unlock new possibilities for demanding low-latency and ultra-reliable IoT applications.
Successful deployment of WiFi 7 for these use cases will require careful consideration of specific benefits and technical requirements across different sectors.