Wi-Fi 7 is coming? 30 Gbps? Year 2024?

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mwchang
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PostPosted: Tue Sep 28, 2021 11:14    Post subject: Wi-Fi 7 is coming? 30 Gbps? Year 2024? Reply with quote
I think you can just look at the numbers and pictures... Smile

Wi-Fi 7 要來了!!
加入大量新技術 速度提升至 30Gbps
預計 2024 年登場
https://www.hkepc.com/20637/

edit:
I think I found the source of the pictures:

Next Generation Wi-Fi: Wi-Fi 6, Wi-Fi 7, and Beyond
https://www.intel.com/content/www/us/en/wireless-network/5g-technology/mmwave-distributed-relay-in-5g-era-video.html?language=en_US&wapkw=wi-fi%207


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ho1Aetoo
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PostPosted: Tue Sep 28, 2021 12:21    Post subject: Reply with quote
Well, the maximum data rate is specified with 23Gbit at 320Mhz channel width and with 8 spatial streams.

But no one will reach it because there are no end devices with more than 2 antennas. (with the exception of a few mac books that have 3)

currently you can also buy at most wifi6 cards with 4x4

https://compex.com.sg/wifi-module/

so such rates will probably only be achieved if you link expensive 8x8 routers directly.

on the HK01 reference board there are also only 4x4 radios but they seem to have a direct link to each other


http://images.shoutwiki.com/en.techinfodepot/9/9a/Compex_HK01_IPQ8074.jpg


Needless to say, we haven't even received wifi6 yet
mwchang
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PostPosted: Tue Sep 28, 2021 13:03    Post subject: Reply with quote
ho1Aetoo wrote:
Needless to say, we haven't even received wifi6 yet

In-between 6 and 7(802.11be), there is also 6E. Possibly a short-lived standard and could be ignored? Smile

Wireless evolution: The big tech advances supercharging Wi-Fi 6, 6E, 7 | VentureBeat
https://venturebeat.com/2020/09/08/wireless-evolution-understanding-the-big-tech-advances-of-wi-fi-6-6e-and-7/


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ho1Aetoo
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PostPosted: Tue Sep 28, 2021 13:14    Post subject: Reply with quote
Well 6e is actually the correct wifi6 standard or second wave (whatever you want to call it) that extends the frequency range to the 6Ghz spectrum.

I mean in the opensource world it still looks pretty bad with wifi6/6e.
The drivers are not mature, not all chipsets are supported etc and we at dd-wrt don't have an officially supported router yet.

This will certainly not be different with wifi7.
This is not now suddenly 2024 there but will require several years of development. Smile
Alozaros
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PostPosted: Tue Sep 28, 2021 14:47    Post subject: Reply with quote
To me, the interesting bit is, how tfk you gonna supply 30GBit, where from, as the normal day ISP still do not provide 1Gig widely and very few routers have 10Gig SFP port and moreover they still bleed the consumers with 20-40 Mbit tariffs, although their new optics can handle way more... At the end of the day, for 30GBit you'd need a CPU and SDD, infrastructure and apps to manage/utilize that speed too...it's good to drive the industry ahead, but not that way ahead... Rolling Eyes Rolling Eyes...
I'll be lucky to see, if one of my ISP's upgrades me to 100Mbit at all...

And than again, with all the pros with 30Gbit at home or the office/corporate, you can guess the level of DDoS that will comes around...agghhh Laughing Laughing

of course 30Gbit will stay only LAN internal traffic as the other stupid standards do...

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kernel-panic69
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PostPosted: Tue Sep 28, 2021 14:54    Post subject: Reply with quote
There will never be a client that supports this. More marketing and hype bullshit.
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the-joker
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PostPosted: Tue Sep 28, 2021 15:39    Post subject: The need for speed. Reply with quote
I get my internet via WISP/airMAX using a Ubiquity LiteBeam 5AC Gen2, it easily drops up to 400/400 symmetric, I get 100/100 because I dont really need anymore. It still isnt anywhere near gigabit speeds, but if I daisy chain 4 of these and max out the bandwidth at 400/400 each, hell ya. and then I wake up, because the price... ouch.

I would have preferred fiber, When I did a stint in Sweden 20 years ago for some job, the fiber was already 100/100 (So I went back to the past), but I live in the sticks now and nothing but slow ass old adsl that wouldn't even reach 5/1, I may as well run back and forth with paper messages it would be faster. OK its not terrible from someone who started with 2400 baud modems.

So it is possible, but the real concern here is that I wouldn't want a home router anywhere near my ears with any of those types of bandwidths/power. Realistically speaking no one is going to dig in any fiber anywhere here no matter if its 2070. By then We all be living in the only habitable zone in the globe near the equator cause the rest is going to be a huge desert.

I wouldn't go getting overly excited with the buzz words wifi 6/7 especially when it comes to opensource, I doubt anything of real quality will be floss supported anytime soon, and even if it is, I cant even afford a R9000 if it was 20% of the current price.

So yes, dream on crazy diamond.

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PostPosted: Tue Sep 28, 2021 15:50    Post subject: Re: The need for speed. Reply with quote
the-joker wrote:
So it is possible, but the real concern here is that I wouldn't want a home router anywhere near my ears with any of those types.

I agree... I think micro-wave ovens are just powerful wifi sources. And there were news about people living near 5G ground stations were getting cancers.

Wanna talk about the Havana Syndrome? And the 5G conspiracy? Well... I prefer *wired* LAN and WAN, and old-fashion telephones! Smile

Havana syndrome - Wikipedia
https://en.wikipedia.org/wiki/Havana_syndrome

https://www.google.com/search?q=5g+tower+conspiracy


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kernel-panic69
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PostPosted: Tue Sep 28, 2021 15:56    Post subject: Reply with quote
I still have some 900, 1200, and 2400 baud modems in my storage bin that were used back in the days of BBSs. #wtfuknowaboutamigaos #win311wastheshiz #antiquesrus
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ho1Aetoo
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PostPosted: Tue Sep 28, 2021 16:03    Post subject: Reply with quote
(real) 10Gbit 4x4 WLAN could become possible with it

for PC's with special WLAN cards, for embedded devices rather less, 4x4 WLAN consumes too much power for embedded devices
The antennas also need a certain distance (half wavelength) for MIMO to work efficiently

For 10Gbit the necessary technology is in principle already available.
Either SFP+ ports or 10Gbit Aquantia 10GBASE-T NICs
CPU's are actually also available but rather less in the embedded area.

For 10Gbit you would need a real ARM beast.

A several years old R7800 also manages up to 1Gbit WAN/LAN/WLAN.

But the 30Gbit are nonsense, there will be no compatible devices far and wide.
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PostPosted: Tue Sep 28, 2021 16:05    Post subject: Reply with quote
Well the antenna is on the roof, some 20 meters up and me 20 meters down.

If that wasn't directional, I can tell you now, I wouldn't have it near the house. But stuck ontop of a pole at the end of the garden 200meters away (yes big garden) and then cat 7 cable with a couple repeaters buried somewhere.

None will tell you how bad these devices are, do they care? Yes only as far as to get silly buggers to buy'em.

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mwchang
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PostPosted: Tue Sep 28, 2021 16:10    Post subject: Reply with quote
the-joker wrote:
Well the antenna is on the roof, some 20 meters up and me 20 meters down.

If that wasn't directional, I can tell you now, I wouldn't have it near the house. But stuck ontop of a pole at the end of the garden 200meters away (yes big garden) and then cat 7 cable with a couple repeaters buried somewhere.

Was COVID-19 really a result of genetic mutation caused by 5G WiFi towers?

I am no WHO scientists. Anyway... let's laugh for a while. Smile


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kernel-panic69
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PostPosted: Tue Sep 28, 2021 16:17    Post subject: Reply with quote
It's amazing how technology has advanced; some folks were experimenting with WaveWAN ~20 or so years ago. Mother Necessity and where would we be.
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the-joker
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PostPosted: Tue Sep 28, 2021 16:19    Post subject: Reply with quote
kernel-panic69 wrote:
Mother Necessity and where would we be.


We would be not so well connected but closer together. The thought of it, I live in the sticks for a reason, go away people, go far far away. =) /me laughs

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PostPosted: Tue Sep 28, 2021 16:22    Post subject: Reply with quote
the-joker wrote:
We would be not so well connected but closer together. The thought of it, I live in the sticks for a reason, go away people, go far far away. =) /me laughs

Is true human relationship based on constant use of wireless gadgets? I think we forgot the basics... Smile


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