Modern internet browsers (such as Chrome, Safari, Firefox) are equipped with advanced developer tools. We can actually leverage some of these tools to take a look at which API calls are made behind the scene when you view or modify settings of your favourite Wi-Fi network cloud plarform. To illustrate this feature, we will make [...]
SemFio Networks, alongside Anixter and LHSC, organized the first Wi-Fi Meetup in London ON. The main topic of this first meetup was Wi-Fi 6. The event was very nice and attracted network Engineers supporting large wireless infrastructure in London. We even had a couple of guys coming from the GTA. We will be organizing a [...]
In 802.11ax communications, the trigger frame is used for multiple purposes. One of them is to allocate ressources for a specific multi-user OFDMA transmission. In this article, we are going to take a deeper look at some of the interesting fields we will find in this trigger frame. For more details, you can look at section [...]
As you know, all data rates are changing with 802.11ax, Hence, the new MCS table you can find here: https://www.semfionetworks.com/blog/mcs-table-updated-with-80211ax-data-rates In this article, we will see how we can figure out the data rate of a specific 802.11ax data frame. If you want to know how to capture 802.11ax data frames, refer to this article [...]
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