Quick Guide to IEEE 802.11 (original) (raw)
MAC Task Group
MAC
The scope of the project is to develop one common MAC for Wireless Local Area Networks (WLANs) applications, in-conjunction with the PHY Task Group work
Work has been completed on the ISO / IEC version of the original Standard - Published as IEEE Std. 802.11, 1999 (ISO/IEC 8802-11: 1999)
PHY Task Group
PHY
The scope of the project is to develop three PHY's for Wireless Local Area Networks (WLANs) applications, using Infrared (IR), 2.4 GHz Frequency Hopping Spread Spectrum (FHSS), and 2.4 GHz Direct Sequence Spread Spectrum (DSSS), in-conjunction with the one common MAC Task Group work
Work has been completed on the ISO / IEC version of the original Standard - Published as IEEE Std. 802.11, 1999 (ISO/IEC 8802-11: 1999)
Task Group a
TGa
The scope of the project is to develop a PHY to operate in the UNII band.
Work has been completed on the ISO / IEC version of the original Standard as an amendment - Published as IEEE Std. 802.11a-1999 (ISO/IEC 8802-11: 1999 (E)/Amd 1: 2000 (ISO/IEC) and is now part of the IEEE 802.11 Standard - Published as IEEE Std. 802.11-2007
Task Group b
TGb
The scope of the project is to develop a standard for a higher rate PHY in the 2.4GHz band
Work has been completed and is now part of the Standard as an amendment - Published as IEEE Std. 802.11b-1999
Task Group b-Cor1
TGb-Cor1
The scope of this project is to correct deficiencies in the MIB definition of 802.11b
Work has been completed and is now part of the IEEE 802.11 Standard - Published as IEEE Std. 802.11-2007
Task Group c
TGc
This amendment adds a subclause under 2.5 Support of the Internal Sub-Layer Service by specific MAC Procedures to cover bridge operation with IEEE 802.11 MAC. This supplement to ISO/IEC 10038 (IEEE 802.1D) will be developed by the 802.11 Working Group in cooperation with the IEEE 802.1 Working Group.
Work has been completed and is now part of the ISO/IEC 10038 (IEEE 802.1D) Standard and part of the IEEE 802.11 Standard - Published as IEEE Std. 802.11-2007
Task Group d
TGd
This amendment defines the physical layer requirements (channelization, hopping patterns), new values for current MIB attributes, and other requirements to extend the operation of 802.11 WLANs to new regulatory domains (countries)
Work has been completed and is now part of the IEEE 802.11 Standard - Published as IEEE Std. 802.11-2007
Task Group e
TGe
This amendment enhances the 802.11 Medium Access Control (MAC) to improve and manage Quality of Service.
Work has been completed and is now part of the IEEE 802.11 Standard - Published as IEEE Std. 802.11-2007
Task Group F
TGF
This is a recommended practice for an Inter-Access Point Protocol (IAPP) which provides the necessary capabilities to achieve multi-vendor Access Point interoperability across a Distribution System supporting IEEE P802.11 Wireless LAN Links.
Work has completed and was Published as IEEE Std. 802.11F-2003, which was withdrawn as of February 2006.
Task Group g
TGg
This amendment provides a higher speed(s) PHY extension to the 802.11b standard.
Work has been completed and is now part of the IEEE 802.11 Standard - Published as IEEE Std. 802.11-2007
Task Group h
TGh
This amendment enhances the 802.11 Medium Access Control (MAC) standard and 802.11a High Speed Physical Layer (PHY) in the 5GHz Band supplement to the standard; adds indoor and outdoor channel selection for 5GHz license exempt bands in Europe; and enhances channel energy measurement and reporting mechanisms to improve spectrum and transmit power management (per CEPT and subsequent EU committee or body ruling incorporating CEPT Recommendation ERC 99/23)
Work has been completed and is now part of the IEEE 802.11 Standard - Published as IEEE Std. 802.11-2007
Task Group i
TGi
This amendment enhances the 802.11 Medium Access Control (MAC) to enhance security and authentication mechanisms
Work has been completed and is now part of the IEEE 802.11 Standard - Published as IEEE Std. 802.11-2007
Task Group j
TGj
This amendment enhances the 802.11 standard to add channel selection for 4.9 GHz and 5 GHz in Japan to additionally conform to the Japanese rules for radio operation
Work has been completed and is now part of the IEEE 802.11 Standard - Published as IEEE Std. 802.11-2007
TGk
This amendment defines Radio Resource Measurement enhancements to provide interfaces to higher layers for radio and network measurements
Completed with the publication of IEEE Std 802.11k-2008.
The amendment has been superseded as it is now part of the IEEE 802.11 Standard - Published as IEEE Std. 802.11-2012.
TGm
This group provides maintenance of the IEEE 802.11 standard by rolling published amendments into revisions of the 802.11 standard.
Note that Mentor and Email reflectors refer to "TGm". References in WG official documentation to "TGmc" or "REVmc" are synonyms for TGm.
Std 802.11-2012 published March 2012.
Std 802.11-2016 published Dec 2016.
TGn
This amendment provides improvements to the 802.11 standard to provide high throughput (>100Mbps)
Published as IEEE Std 802.11n-2009
The amendment has been superseded as it is now part of the IEEE 802.11 Standard - Published as IEEE Std. 802.11-2012.
TGp
This amendment supports communication between vehicles and the roadside and between vehicles while operating at speeds up to a minimum of 200 km/h for communication ranges up to 1000 meters. The amendment supports communications in the 5 GHz bands; specifically 5.850-5.925 GHz band within North America with the aim to enhance the mobility and safety of all forms of surface transportation, including rail and marine.
Published as IEEE Std 802.11p-2010
The amendment has been superseded as it is now part of the IEEE 802.11 Standard - Published as IEEE Std. 802.11-2012.
TGr
This amendment provides enhancements to the 802.11 Medium Access Control (MAC) layer to minimize or eliminate the amount of time data connectivity between the Station (STA) and the Distribution System (DS) is absent during a Basic Service Set (BSS) transition, limited to the state necessary for the operation of the MAC.
Completed with the publication of IEEE Std 802.11r-2008
The amendment has been superseded as it is now part of the IEEE 802.11 Standard - Published as IEEE Std. 802.11-2012.
TGs
This amendment provides a protocol for auto-configuring paths between APs over self-configuring multi-hop topologies in a WDS to support both broadcast/multicast and unicast traffic in an ESS Mesh using the four-address frame format or an extension.
Completed with the publication of IEEE Std 802.11s-2011
The amendment has been superseded as it is now part of the IEEE 802.11 Standard - Published as IEEE Std. 802.11-2012.
TGT
This recommended practice was intended to provide a set of performance metrics, measurement methodologies, and test conditions to enable measuring and predicting the performance of 802.11 WLAN devices and networks at the component and application level as a recommended practice.
Work abandoned without achieving WG approval of a draft.
TGu
This amendment to the IEEE 802.11 MAC and PHY supports InterWorking with External Networks.
Completed and published as IEEE Std 802.11u-2011
The amendment has been superseded as it is now part of the IEEE 802.11 Standard - Published as IEEE Std. 802.11-2012.
TGv
This amendment provides Wireless Network Management enhancements to the 802.11 MAC, and PHY, and extends prior work in radio measurement to effect a complete and coherent upper layer interface for managing 802.11 devices in wireless networks.
Completed and published as IEEE Std 802.11v-2011
The amendment has been superseded as it is now part of the IEEE 802.11 Standard - Published as IEEE Std. 802.11-2012.
TGw
The amendment enhances the IEEE 802.11 Medium Access Control layer to provide, mechanisms that enable data integrity, data origin authenticity, replay protection, and data confidentiality for selected IEEE 802.11 management frames.
Completed and published as IEEE Std 802.11w-2009
The amendment has been superseded as it is now part of the IEEE 802.11 Standard - Published as IEEE Std. 802.11-2012.
TGy
This amendment supports use of 802.11 based systems in the 3650-3700 MHz band in the USA (FCC 05-56).
Completed and published as IEEE Std 802.11y-2008
TGz
This amendment defines a Tunneled Direct Link Setup (TDLS) mechanism to allow operation without access point support for this feature and allow stations with an active TDLS session to enter power save mode.
Completed and published as IEEE Std 802.11z-2010
The amendment has been superseded as it is now part of the IEEE 802.11 Standard - Published as IEEE Std. 802.11-2012.
TGaa
This amendment specifies enhancements to the 802.11 MAC (Medium Access Control) for robust audio video streaming, while maintaining co-existence with other types of traffic.
It also supports interworking with relevant 802.1AVB mechanisms (802.1Qat, 802.1Qav, 802.1AS)
Completed and published as IEEE Std 802.11aa-2012
The amendment has been superseded as it is now part of the IEEE 802.11 Standard - Published as IEEE Std. 802.11-2016.
TGac
This amendment specifies enhancements to the 802.11 MAC and PHY to support very high throughput (500-1000 Mbps) in the 5 GHz bands.
Completed and published as IEEE Std 802.11ac-2013
The amendment has been superseded as it is now part of the IEEE 802.11 Standard - Published as IEEE Std. 802.11-2016.
TGad
This amendment defines standardized modifications to both the 802.11 physical layers (PHY) and the 802.11 Medium Access Control Layer (MAC) to enable operation in the 60 GHz frequency band (typically 57-66 GHz) capable of very high throughput (>= 1Gbps). It also enables fast session transfer between 802.11 PHYs .
Completed and published as IEEE Std 802.11ad-2012
The amendment has been superseded as it is now part of the IEEE 802.11 Standard - Published as IEEE Std. 802.11-2016.
TGae
This amendment defines mechanisms for prioritizing IEEE 802.11 management frames using existing mechanisms for medium access.
Completed and published as IEEE Std 802.11ae-2012
The amendment has been superseded as it is now part of the IEEE 802.11 Standard - Published as IEEE Std. 802.11-2016.
TGaf
An amendment that defines modifications to both the 802.11 physical layers (PHY) and the 802.11 Medium Access Control Layer (MAC), to meet the legal requirements for channel access and coexistence in the TV White Space.
Completed and published as IEEE Std 802.11af-2013
The amendment has been superseded as it is now part of the IEEE 802.11 Standard - Published as IEEE Std. 802.11-2016.
TGah
An amendment that defines operation in Sub 1 GHz frequencies. Supports applications that benefit from range extension, such as smart meters.
Completed and published as IEEE Std 802.11ah-2016
The amendment has been superseded as it is now part of the IEEE 802.11 Standard - Published as IEEE Std. 802.11-2020.
TGai
An amendment that supports Fast Link Setup, i.e., to reduce time to set up an association.
Completed and published as IEEE Std 802.11ai-2016
The amendment has been superseded as it is now part of the IEEE 802.11 Standard - Published as IEEE Std. 802.11-2020.
TGaj
An amendment that supports very high throughput in the China millimetre-wave bands
Completed and published as IEEE Std 802.11aj-2018
The amendment has been superseded as it is now part of the IEEE 802.11 Standard - Published as IEEE Std. 802.11-2020.
TGak
An amendment that supports General Links (i.e., bridging using 802.1 mechanisms across an 802.11 link)
Completed and published as IEEE Std 802.11ak-2018
The amendment has been superseded as it is now part of the IEEE 802.11 Standard - Published as IEEE Std. 802.11-2020.
TGaq
An amendment that supports Pre-Association Discovery. Pre-Association Discovery relates to the problem of how a Station - STA (e.g., a Mobile Device) discovers the availability of services within the network to which another STA (e.g., an Access Point) is connected.
Completed and published as IEEE Std 802.11aq-2018
The amendment has been superseded as it is now part of the IEEE 802.11 Standard - Published as IEEE Std. 802.11-2020.
TGax
An amendment that supports High Efficiency WLANs, and adds support for 6GHz operation.
Completed and published as IEEE Std 802.11ax™-2021 on May 19, 2021.
TGay
An amendments that supports enhanced throughput for operation license-exempt bands above 45 GHz.
Completed and published as IEEE Std 802.11ay™-2021 on July 28, 2021.
TGba
An amendment that supports Wake-up Radio Operation.
Completed and published as IEEE Std 802.11ba™-2021 on October 8, 2021.
TGaz
Next Generation Positioning - improved accuracy, scalability and adding directionality .
Completed and published as IEEE Std 802.11az™-2022 on March 3, 2023
TGbb
Light Communications
Completed and published as IEEE Std 802.11bb™-2023 on November 10, 2023
TGbc
Enhanced Broadcast Service
Following completion, an error was found and corrected in IEEE Std 802.11-2020/Cor 2-2024. This correction was incorporated into the version published as IEEE Std 802.11bc™-2023 on February 28, 2024
TGbd
Enhancements for Next Generation V2X
Completed and published as IEEE Std 802.11bd™-2022 on March 10, 2023