802.11ax (wifi6) Explained

Let’s talk about 802.11ax (wifi6).

How much faster is 802.11ax (wifi6) compared to 802.11ac (wifi5)?

  • 802.11ac (wifi5) (on 5ghz band, using 80mhz channel, 256-QAM, 400 ns GI, and 1 spatial stream)
    • Maximum data rate is 433 mbps per spatial stream
  • 802.11ax (wifi6) (on 5ghz band, using 80mhz channel, 1024-QAM, 800 ns GI, and 1 spatial stream)
    • Maximum data rate is 600 mbps (a 38.5% improvement) per spatial stream

What do the experts say?

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Source 1: Peter Thornycroft, Distinguished engineer in Aruba CTO group, on 2018-11-21 on brighttalk.com (video presentation)

Can you give me more information about 802.11ax?

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Source 2: Aruba’s 802.11ax whitepaper (updated: 2018-05-31)(PDF)

When is 802.11ax (wifi6) going to be finalized and publicly released?

  • Wifi systems are shipping now with IEEE 802.11ax Draft 3.0 (published June 2018). (ieee.org)
  • Wifi Alliance 802.11ax certification is predicted to be August 2019. (brighttalk.com)
  • IEEE 802.11ax approval is predicted to be November 2019. (ieee.org 2)