Re: [6gip] continueing the discussion on B5G

[Frank Fitzek <[e-mail]>]

Happy New Year !

Are there already 5G SA networks? Or better on which networks did the 
author test the data rate? SA and NSA makes a huge difference.
FF



On 07/01/2021 19:02, Alexandre Petrescu wrote:
>
> I recently read an article in the New York Times where the writer 
> tested a few 5G smartphones on some cellular networks and some places 
> in USA.
>
> He said that 5G bandwidth looked higher than 4G+ to him in some places 
> but he felt that better in open areas rather than indoors.  It was not 
> significantly higher, just a little bit higher.
>
> I think what 5G needs is these intelligent reflecting surfaces which 
> might help increase coverage in a more energy-efficient manner, maybe 
> less risky for health, and avoid somehow in some cases societal 
> opposition.
>
> We cant dream about hundred Gbit/s bandwidths for IP on 6G if the 
> increase from 4G to 5G bandwidths is not at leastten times more.
>
> If 4G is 50Mbit/s and 5G is 100Mbit/s then we cant expect 6G to be 
> 100GBit/s.
>
> Le 03/12/2020 à 12:32, Alexandre Petrescu a écrit :
>> 3. use of meta surfaces (aka Intelligent Reflecting Surfaces).  This is
>> a feature newly proposed in 6G that was never mentioned in earlier
>> generations, but it is a natural tool in the bag of the radio inclined
>> designer.  If range is not enough then put a reflecing surface there to
>> extend the range.  New in 6G is that these surfaces seem to be more
>> intelligent at PHY layer - it's not just a piece of concrete (like a
>> mirror) but some nano electronics are put on it to reflect in a more
>> intelligent way. 
>

-- 

Frank H.P. Fitzek
Professor
Deutsche Telekom Chair of Communication Networks
Institute of Communication Technology
Technische Universität Dresden

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