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Wi-Fi 6, or IEEE 802.11ax, is an IEEE standard from the Wi-Fi Alliance, for wireless networks . It operates in the 2.4 GHz and 5 GHz bands, [ 9 ] with an extended version, Wi-Fi 6E , that adds the 6 GHz band. [ 10 ]
802.11-1997 was the first wireless networking standard in the family, but 802.11b was the first widely accepted one, followed by 802.11a, 802.11g, 802.11n, 802.11ac, and 802.11ax. Other standards in the family (c–f, h, j) are service amendments that are used to extend the current scope of the existing standard, which amendments may also ...
IEEE 802.15.4-2006 (low-level protocol definitions corresponding to the OSI model physical and link layers. Zigbee, 6LoWPAN, etc. build upward in the protocol stack and correspond to the network and transport layers.)
LDPC codes are also used for 10GBASE-T Ethernet, which sends data at 10 gigabits per second over twisted-pair cables. As of 2009, LDPC codes are also part of the Wi-Fi 802.11 standard as an optional part of 802.11n and 802.11ac, in the High Throughput (HT) PHY specification. [16] LDPC is a mandatory part of 802.11ax (Wi-Fi 6). [17]
Wireless LAN (WLAN) channels are frequently accessed using IEEE 802.11 protocols. The 802.11 standard provides several radio frequency bands for use in Wi-Fi communications, each divided into a multitude of channels numbered at 5 MHz spacing (except in the 45/60 GHz band, where they are 0.54/1.08/2.16 GHz apart) between the centre frequency of the channel.
The Wi-Fi 5 standard uses the 5 GHz band exclusively, and is capable of multi-station WLAN throughput of at least 1 gigabit per second, and a single station throughput of at least 500 Mbit/s. As of the first quarter of 2016, The Wi-Fi Alliance certifies devices compliant with the 802.11ac standard as "Wi-Fi CERTIFIED ac".
The 802.11 protocols are IEEE standards, identified as 802.11b, 11g, 11n, 11ac, etc. In 2018 The Wi-Fi Alliance created the simpler generation labels Wi-Fi 4 - 6 beginning with Wi-Fi 5, retroactively added Wi-Fi 4 and later added Wi-Fi 6 and Wi-Fi 6E. [23] [24] [25] Wi-Fi 5 had Wave 1 and Wave 2 phases. Wi-Fi 6E extends the 2.4/5 GHz range to 6 ...
IEEE 802.11n (aka Wi-Fi 4) 600 Mbit/s: 75 MB/s: 2009 IEEE 802.11ac (aka Wi-Fi 5) 6.8–6.93 Gbit/s: 850–866.25 MB/s: 2012 IEEE 802.11ad: 7.14–7.2 Gbit/s: 892.5–900 MB/s: 2011 IEEE 802.11ax (aka Wi-Fi 6/6E) 11 Gbit/s: 1.375 GB/s: 2019 IEEE 802.11be (aka Wi-Fi 7 or Extremely High Throughput (EHT)) 46.12 Gbit/s expected: 5.765 GB/s expected ...
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