802.11ax – Page 2 – Frame by Frame

WLPC 2022: 802.11ax Channel Access Talk

In this WLPC Phoenix talk I describe in detail how 802.11ax stations contend for channel access, using a combination of new and old features of 802.11. The idea was to show the full picture of what is actually happening in the air in a modern WLAN, rather than only focusing on the nen features ofContinue reading “WLPC 2022: 802.11ax Channel Access Talk”

7SIGNAL Webinar: Wide Channel Contention

In this 7SIGNAL webinar I described how 802.11 contention is different when wide channel widths are in use, and how that has evolved with each new PHY up to 802.11ax.

Sorting Out BSS Color, Spatial Reuse, and Dual NAV

This post first appeared on 7signal.com. We usually only hear about BSS Coloring in the marketing of Wi-Fi 6, but Spatial Reuse and Dual NAV are related important features of 802.11ax. Let’s sort them out, but first some background. All 802.11 stations (AP’s and clients) must make sure that the channel they are operating onContinue reading “Sorting Out BSS Color, Spatial Reuse, and Dual NAV”