IEEE Std 802.11™: The original standard was published in 1997, revised in 1999 with MIB changes, and reaffirmed in 2003.
IEEE Std 802.11™-2007: A revision was published in 2007, which incorporated into the 1999 edition the following amendments:
— IEEE Std 802.11a™-1999: High-speed Physical Layer in the 5 GHz Band
— IEEE Std 802.11b™-1999: Higher-Speed Physical Layer Extension in the 2.4 GHz Band
— IEEE Std 802.11b-1999/Corrigendum 1-2001: Higher-speed Physical Layer (PHY) extension in the 2.4 GHz band
— IEEE Std 802.11d™-2001: Specification for operation in additional regulatory domains
— IEEE Std 802.11g™-2003: Further Higher Data Rate Extension in the 2.4 GHz Band
— IEEE Std 802.11h™-2003: Spectrum and Transmit Power Management Extensions in the 5 GHz band in Europe
— IEEE Std 802.11i™-2004: Medium Access Control (MAC) Security Enhancements
— IEEE Std 802.11j™-2004: 4.9 GHz–5 GHz Operation in Japan
— IEEE Std 802.11e™-2005: Medium Access Control (MAC) Quality of Service Enhancements
IEEE Std 802.11™-2012: This revision was published in 2012, which incorporated into the 2007 revision the following amendments:
— IEEE Std 802.11k™-2008: Radio Resource Measurement of Wireless LANs
— IEEE Std 802.11r™-2008: Fast Basic Service Set (BSS) Transition
— IEEE Std 802.11y™-2008: 3650–3700 MHz Operation in USA
— IEEE Std 802.11w™-2009: Protected Management Frames
— IEEE Std 802.11n™-2009: Enhancements for Higher Throughput
— IEEE Std 802.11p™-2010: Wireless Access in Vehicular Environments
— IEEE Std 802.11z™-2010: Extensions to Direct-Link Setup (DLS)
— IEEE Std 802.11v™-2011: Wireless Network Management
— IEEE Std 802.11u™-2011: Interworking with External Networks
— IEEE Std 802.11s™-2011: Mesh Networking
IEEE Std 802.11™-2016: This revision is based on IEEE Std 802.11-2012, into which the following amendments have been incorporated:
— IEEE Std 802.11ae™-2012: Prioritization of Management Frames
— IEEE Std 802.11aa™-2012: MAC Enhancements for Robust Audio Video Streaming
— IEEE Std 802.11ad™-2012: Enhancements for Very High Throughput in the 60 GHz Band
— IEEE Std 802.11ac™-2013: Enhancements for Very High Throughput for Operation in Bands below 6 GHz
— IEEE Std 802.11af™-2013: Television White Spaces (TVWS) Operation
Sources:
IEEE Std 802.11™-2016
CWNA® Certified Wireless Network Administrator Official Study Guide Fourth Edition en.wikipedia.org/wiki/IEEE_802.11
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At this year’s CES you’ll hear plenty of talk about driverless cars, connected homes and the internet of things. (Yes, we promise IoT, perhaps the buzziest of tech trends, is more than just hackable baby monitors and $400 internet-connected juicers.)
Here’s the technology that will drive all of those innovations over the next decade: 5G.
The shorthand tag “5G” stands for fifth-generation wireless technology. Those broadbandlike wireless speeds you’re getting on your phone now? That’s 4G technology. So just think about what happens next.
If you’re excited about the prospects, you aren’t alone. Tech observers see 5G as the foundation for a host of other trends. At last year’s CES, Qualcomm CEO Steve Mollenkopf described 5G as the biggest thing since the introduction of electricity.
Remember, a lot of work needs to be done for 5G to achieve broad scale. But with networks set to go live by 2019 and coverage reaching 20 percent of the population by 2023, now’s the time to start caring about it.
The lowdown on 5G
The brave new world of 5G isn’t just about speed. Sure, you can look forward to ridiculously high download speeds and bufferless 4K streaming. The real advantages, however, come down to three other things:
Reliability: 5G doesn’t just deliver peak speeds in ideal conditions. The technology offers superhigh speeds that are reliable and consistent, even indoors or in congested areas.
Bandwidth: 5G can support a massive increase in connected devices. Ericsson forecasts 1 billion 5G subscriptions by 2023. Think sensors on everything.
Latency: Phones today have an annoying lag between when you send a request for a website or video and when the network responds. With 5G, that’ll be reduced to 1 millisecond. That’s 400 times faster than the blink of an eye. It’s so fast, some companies see it opening up the possibility of remote surgery.
Intel CEO Brian Krzanich is devoting his preshow keynote presentation to the data-driven future that 5G enables. Nokia and Ericsson will be on stage touting the new network technology. Gary Shapiro, CEO of the Consumer Technology Association, which runs CES, has already been hitting the media circuit to talk up the tech.