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Wireless LAN (WLAN) channels are frequently accessed using IEEE 802.11 protocols. The 802.11 standard provides several radio frequency bands for use in Wi-Fi communications, each divided into a multitude of channels numbered at 5 MHz spacing (except in the 45/60 GHz band, where they are 0.54/1.08/2.16 GHz apart) between the centre frequency of the channel.
IEEE 802.11k-2008 is an amendment to IEEE 802.11-2007 standard for radio resource measurement.It defines and exposes radio and network information to facilitate the management and maintenance of a mobile Wireless LAN.
An example of a service set called "WiFi Wikipedia" consisting of two basic service sets (BSSs). Notebook_My is able to automatically roam between the two BSSs, without the user having to explicitly connect to the second network. Note that in the diagram the incorrect label ESSID (Extended Service Set Identifier) refers to the service set ...
The IEEE 802.21 standard for Media Independent Handoff (MIH) is an IEEE standard published in 2008. The standard supports algorithms enabling seamless handover between wired and wireless networks of the same type as well as handover between different wired and wireless network types also called media independent handover (MIH) or vertical handover.
From the network perspective, there are two options that provide flexibility when looking at deploying LWA - collocated and non-collocated. In the former, the WLAN Access Point (AP) or Access Controller (AC) is physically integrated with the LTE eNB, whereas in the latter the WLAN network (i.e. APs and/or ACs) are connected to the LTE eNB via an external network interface (Xw).
IEEE 802.11r-2008 or fast BSS transition (FT), is an amendment to the IEEE 802.11 standard to permit continuous connectivity aboard wireless devices in motion, with fast and secure client transitions from one Basic Service Set (abbreviated BSS, and also known as a base station or more colloquially, an access point) to another performed in a nearly seamless manner.
Prior to the introduction of Wi-Fi, one of the biggest applications of the 5 GHz band was Terminal Doppler Weather Radar. [4] [5] The decision to use 5 GHz spectrum for Wi-Fi was finalized in the World Radiocommunication Conference in 2003; however, the meteorological community was not involved in the process.
IEEE 802.11u-2011 is an amendment to the IEEE 802.11-2007 standard to add features that improve interworking with external networks.. 802.11 is a family of IEEE technical standards for mobile communication devices such as laptop computers or multi-mode phones to join a wireless local area network (WLAN) widely used in the home, public hotspots and commercial establishments.