802.xx Fast Reference: Guide to 802.11, wireless standards, WLANs, WiMax

802.xx is a family of wireless and mobile networking specifications developed by the IEEE. Learn more...

This table identifies 802.xx specifications and provides definitions for WLAN, WiMax, Wi-Fi and related terminology.

802.11
  • Family of specifications for wireless local area network (WLAN) use
  • Employs phase-shift keying
  • Provides a wireless alternative to wired Ethernet LANs
  • Several enhancements as defined below
802.11a
  • Enhancement to 802.11 that applies to wireless ATM systems
  • Used in access hubs
  • Enhanced data speed
  • Frequency range 5.725 GHz to 5.850 GHz
802.11b
  • Enhancement to 802.11 that employs complementary code keying (CCK)
  • High data speed
  • Low susceptibility to multipath-propagation interference
  • Frequency range 2.400 GHz to 2.4835 GHz
802.11d
  • Enhancement to 802.11 that allows for global Roaming
  • Attributes similar to 802.11b
  • Particulars can be set at Media Access Control (MAC) layer
802.11e
  • Enhancement to 802.11 that includes Quality of Service (QoS) features
  • Facilitates prioritization of data, voice, and video transmissions
802.11g
  • Enhancement to 802.11 that offers wireless transmission over relatively short distances
  • Operates at up to 54 megabits per second (Mbps)
802.11h
  • Enhancement to 802.11a that resolves interference issues
  • Dynamic frequency selection (DFS)
  • Transmit power control ( TPC )
802.11i
  • Enhancement to 802.11 that offers additional security for WLAN applications
802.11j
  • Japanese regulatory extensions to 802.11a specification
  • Frequency range 4.9 GHz to 5.0 GHz
802.11k
  • Radio resource measurements for networks using 802.11 family specifications
802.11m
  • Maintenance of 802.11 family specifications
  • Corrections and amendments to existing documentation
802.11x
  • Generic term for 802.11 family specifications under development
  • General term for all 802.11 family specifications
Wi-Fi
  • Originally created to ensure compatibility among 802.11b products
  • Can run under any 802.11 standard
  • Indicates interoperability certification by Wi-Fi Alliance
802.15
  • A communications specification for wireless personal area networks (WPANs)
802.16
  • A group of broadband wireless communications standards for metropolitan area networks (MANs)
802.16a
  • Enhancement to 802.16 for non-line-of-sight extensions in the 2-11 GHz spectrum
  • Delivers up to 70 Mbps at distances up to 31 miles
802.16e
  • Enhancement to 802.16 that enables connections for mobile devices
802.1X
  • Designed to enhance the security of wireless local area networks (WLANs) that follow the IEEE 802.11 standard
  • Provides an authentication framework for wireless LANs
  • The algorithm that determines user authenticity is left open
  • Multiple algorithms are possible
802.3
  • A standard specification for Ethernet
  • Specifies the physical media and the working characteristics of the network
802.5
This was first published in June 2005

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