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IEEE 802.11k-2008

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Title: IEEE 802.11k-2008  
Author: World Heritage Encyclopedia
Language: English
Subject: IEEE 802.11, IEEE 802.15, Radio resource management, Service Interoperability in Ethernet Passive Optical Networks, IEEE 1667
Collection: Ieee 802.11, Radio Resource Management
Publisher: World Heritage Encyclopedia

IEEE 802.11k-2008

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;[1] see IEEE 802.11.


  • Radio Resource Management 1
  • Protocol operation 2
  • See also 3
  • External references 4
  • References 5

Radio Resource Management

IEEE 802.11k and 802.11r are the key industry standards now in development that will enable seamless Basic Service Set (BSS) transitions in the WLAN environment. The 802.11k standard provides information to discover the best available access point. 802.11k is intended to improve the way traffic is distributed within a network. In a wireless LAN, each device normally connects to the access point (AP) that provides the strongest signal. Depending on the number and geographic locations of the subscribers, this arrangement can sometimes lead to excessive demand on one AP and underutilization of others, resulting in degradation of overall network performance. In a network conforming to 802.11k, if the AP having the strongest signal is loaded to its full capacity, a wireless device is connected to one of the underutilized APs. Even though the signal may be weaker, the overall throughput is greater because more efficient use is made of the network resources.[2]

Protocol operation

The following steps are performed before switching to a new access point.[2]

  1. Access point determines that client is moving away from it.
  2. Informs client to prepare to switch to a new access point.
  3. Client requests list of nearby access points
  4. Access point gives site report
  5. Client moves to best access point based on report

See also

External references

  • IEEE 802.11k-2008 — Amendment 1: Radio Resource Measurement of Wireless LANs.  
  • IEEE Task Group TGk


  1. ^
  2. ^ a b Simone, Dan (2004-03-29). "802.11k makes WLANs measure up".  
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