802.11 family is getting quite big

Having only studied 802.11a, b and g in past, I was surprised to find that there are many other 802.11 protocols in the family.

• 802.11a - 54 Mbps standard, 5 GHz signaling (ratified 1999)
• 802.11b - 11 Mbps standard, 2.4 GHz signaling (1999)
• 802.11c - operation of bridge connections (moved to 802.1)
• 802.11d - worldwide compliance with regulations for use of wireless signalspectrum (2001)
• 802.11e - Quality of Service (QoS) support (2005)
• 802.11f – Inter access point protocol to support roaming clients (2003)
• 802.11g - 54 Mbps standard, 2.4 GHz signaling (2003)
• 802.11h - Enhanced version of 802.11a to support European regulatory requirements (2003)
• 802.11i - Security improvements for the 802.11 family (2004)
• 802.11j - Enhancements to 5 GHz signaling to support Japan regulatoryrequirements (2004)
• 802.11k - WLAN system management
• 802.11l - Skipped to avoid confusion with 802.11i
• 802.11m - Maintenance of 802.11 family documentation
• 802.11n - Future 100+ Mbps standard
• 802.11o – Voice over WLAN, faster handoff, prioritize voice traffic over data
• 802.11p – Using 5.9GHz band for ITS (long range)
• 802.11q – Support for VLAN 802.11r – Handling fast handoff when roaming between APs
• 802.11s – Self-healing/self-configuring mesh networks
• 802.11t - Wireless Performance Prediction
• 802.11u - Interworking with External Networks
• 802.11v - Wireless Network Management standard
• 802.11w - Protected Management Frames standard
• 802.11x – Summarize all 802.11 standards, but it is not a standard.
• 802.11y - Contention Based Protocol Study Group

• 3G4G website
• 802.11 Wireless Standards Defined and Discussed By Lee Badman
• 802.11 WLAN Systems – a tutorial

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