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Controlled Channel Access for IEEE 802.11-Based Wireless TSN Networks | IEEE Journals & Magazine | IEEE Xplore

Controlled Channel Access for IEEE 802.11-Based Wireless TSN Networks


Abstract:

In the recent years, a growing number of applications have been demanding more and more stringent communication requirements to deliver services with the requested qualit...Show More

Abstract:

In the recent years, a growing number of applications have been demanding more and more stringent communication requirements to deliver services with the requested quality. Application fields range from industrial control systems to entertainment (e.g., Extended Reality) and telemedicine (e.g., remote surgery). Meeting the stringent communication requirements of such applications necessitates extending the currently used network technologies, which have not been conceived to guarantee extremely low latency (< 1 ms) to specific data flows. In response to such needs, the IEEE 802.1 TSN (Time Sensitive Networking) task group has been formed with the goal of standardizing new techniques allowing network technologies to provide deterministic service guarantees to selected data flows. While the developed standards are easily applicable to wired technologies like Ethernet, it is more challenging to achieve similar guarantees with wireless technologies, whose utilization is of interest for the many benefits they bring in several contexts. In this article, we consider Wi-Fi networks based on the IEEE 802.11 standard, revise the features recently introduced or under standardization and propose an approach to meet stringent latency requirements. Simulations conducted with the ns-3 network simulator show that the proposed approach enables to keep the latency of time sensitive packets below one millisecond, thus confirming the feasibility of a wireless TSN paradigm.
Published in: IEEE Internet of Things Magazine ( Volume: 6, Issue: 1, March 2023)
Page(s): 90 - 95
Date of Publication: 14 March 2023

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