Re: [6gip] continueing the discussion on B5G

[Alexandre Petrescu <[e-mail]>]

Le 07/01/2021 à 20:05, Frank Fitzek a écrit :
> 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.

SA?  Security Association?
NSA?  National Security Agency?

I will gladly consider the SA/NSA distinction with the SFR and Free 
deployments I know here where I live.

But I dont know what it means.

Alex

> 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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> 
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>