Re: [6gip] Wi-Fi 6E

[Alexandre Petrescu <[e-mail]>]

Le 05/01/2021 à 16:59, Behcet Sarikaya a écrit :
> Thanks for the comments.
> 
> I found this link on Wi-Fi Alliance web site:
> 
> https://www.wi-fi.org/discover-wi-fi/wi-fi-certified-6 
> <https://www.wi-fi.org/discover-wi-fi/wi-fi-certified-6>
> 
> which says that Wi-Fi 6E extends Wi-Fi Certified 6 into 6Ghz all based 
> on 802.11ax.

So the 6 in WiFi 6E is a coincidence between being a next version after 
WiFi 5 and being at 6GHz.

I still wonder what precisely is that 6GHz band where WiFi 6E is 
presumed to be running?

Alex

> 
> The article also describes the features of 6E.
> Check it out.
> 
> Behcet
> 
> On Tue, Jan 5, 2021 at 3:48 AM Simon Leinen <[e-mail] 
> <mailto:[e-mail]>> wrote:
> 
>     Alexandre Petrescu writes:
>      > Le 04/01/2021 à 17:48, Behcet Sarikaya a écrit :
>      >> Hi all,
>      >> 6G came to Wi-Fi :) now it is time for smart phones.
>      >> It is weird why they call it 6E?
> 
>      > I suspect '6' as using a band somewhere at 6GHz.  But I dont know
>      > which band more precisely would that be.  Is it the band typically
>      > used for 802.11-OCB which is 5.875MHz-5.925MHz?
> 
>      > E in '6E' might mean 'Extended', or some band that is beyond that
>      > hypothetical 6GHz band.  But I dont know which one.  It could be
>      > towards 27GHz and why not somewhere at 70GHz.
> 
>     No, it's slightly different:
> 
>     "Wi-Fi 6" is the marketing name for IEEE 802.11ax, i.e. the latest
>     currently available generation of Wifi technology.  No relation to 6G or
>     6GHz! (The spectral efficiency of Wi-Fi 6/802.11ax is similar to 5G NR,
>     thanks to high-level QAM and (MU-)MIMO.)  The generation-based "Wi-Fi N"
>     nomenclature is fairly new.  I think it was introduced with Wi-Fi 5
>     (IEEE 802.11ac) and was "backported" to earlier Wi-Fi generations.
> 
>     Early last year, the FCC in the US made a large band of spectrum in the
>     6GHz band available for unlicensed use.  This is quite significant,
>     because the new frequency range is significantly larger than both old
>     Wifi bands (2.4/5GHz) combined(*)!
> 
>     So people are now building products that support this new frequency
>     range.  The MAC will be the same as for IEEE 802.11ax/Wifi 6, and the
>     Wi-Fi Alliance decided to call this new standard "Wi-Fi 6E".
> 
>      > But I think these bands will continue to stay separated from the
>     bands
>      > planned for the 6G '6th Generation', which might be in the Terahertz
>      > range.
> 
>      > I terms of timeline: WiFi 6E might be on the consumer market maybe in
>      > a year or two whereas with 6G we look at first trials in 8 years
>     time.
> 
>     Right, actually I think we will see Wi-Fi 6E products quite a bit before
>     the end of the current year.
> 
>     Cheers,
>     -- 
>     Simon.
> 
>     * In the US, this new "6GHz" band is actually the range from 5.925 GHz
>        to 7.125 GHz.  Let's see what happens in other regions - for Europe,
>        it looks like the band will be smaller (5.945-6.425 GHz?), which is a
>        pity because people live more densely in Europe than in the US, so a
>        larger band would be quite useful to avoid collisions between
>        neighbors.  Oh well.
> 
>     -- 
>     6gip mailing list
>     [e-mail] <mailto:[e-mail]>
>     https://www.ietf.org/mailman/listinfo/6gip
>     <https://www.ietf.org/mailman/listinfo/6gip>
>