IEEE 802.11u-2011.pdf

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IEEE Std 802.11u-2011
(Amendment to IEEE Std 802.11-2007
as amended by IEEE Std 802.11k-2008,
IEEE Std 802.11r-2008, IEEE Std 802.11y-2008,
IEEE Std 802.11w-2009, IEEE Std 802.11n-2009,
IEEE Std 802.11p-2010, IEEE Std 802.11z-2010,
and IEEE Std 802.11v™-2011)

IEEE Standard for Information technology—
Telecommunications and information exchange between systems—
Local and metropolitan area networks—
Specific requirements
Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications
Amendment 9: Interworking with External Networks

Approved 2 February 2011
IEEE-SA Standards Board
Approved 4 August 2011
American National Standards Institute

Abstract: This amendment specifies enhancements to the IEEE 802.11 medium access control (MAC) that support wireless local area network (WLAN) interworking with external networks. It enables higher layer functionalities to provide overall end-to-end solutions. The main goals of this amendment are aiding network discovery and selection, enabling information transfer from external networks, enabling emergency services, and interfacing subscription service provider networks (SSPNs) to IEEE 802.11 networks that support interworking with external networks.
Keywords: E911, emergency alert system, emergency services, generic advertisement service,interface, interworking, interworking with external networks, media-independent handover, MIH,network advertisement, network discovery, network selection, QoS mapping, SSP, SSPN,subscriber service provider, wireless LAN

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