IEEE 802.11k-2008 is an amendment to IEEE 802.11-2007 standard for radio resource management. It defines and exposes radio and network information to facilitate the management and maintenance of a mobile Wireless LAN. IEEE 802.11k was incorporated in IEEE Std 802.11-2012; see IEEE 802.11.
Radio Resource Management
IEEE 802.11k and 802.11r are industry standards that enable seamless Basic Service Set (BSS) transitions in the WLAN environment. The 802.11k standard provides information to discover the best available access point.
The following steps are performed before switching to a new access point.
- Access point determines that client is moving away from it.
- Informs client to prepare to switch to a new access point.
- Client requests list of nearby access points
- Access point gives site report
- Client moves to best access point based on report
802.11k and r
- iPhone 4s and later
- iPad Pro
- iPad Air and later
- iPad mini and later
- iPad (3rd generation) and later
- iPod touch (5th generation) and later
Source : https://wikipedia.org