Re: [6gip] STARLINK

Alexandre Petrescu <alexandre.petrescu@gmail.com> Mon, 15 February 2021 15:20 UTC

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To: "Flinck, Hannu (Nokia - FI/Espoo)" <hannu.flinck@nokia-bell-labs.com>, "6gip@ietf.org" <6gip@ietf.org>
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From: Alexandre Petrescu <alexandre.petrescu@gmail.com>
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Subject: Re: [6gip] STARLINK
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Hannu,

Le 11/02/2021 à 09:08, Flinck, Hannu (Nokia - FI/Espoo) a écrit :
> Alex,
> 
> Before wondering 6G frequency allocations, there will be 5G non 
> terrestrial networks (NTN) around 2025. If we are really interested 
> in NTN we could have a look at the work that is ongoing for Rel 17 
> and will continue in Rel18/Rel19 for 5G. (Not 6G yet.)

It is interesting to know 5G consider satcom as well, maybe under the
name of NTN.

ITU-T considers it to be STIN: Space-Terrestrial Integrated Networks,
but for year 2030.  TR-FG-NET2030-Sub-G1.pdf

I wonder why NTN might be for around year 2025?  Maybe 3GPP documents
allude to NTN?

Alex

> 
> A nice intro could be found here:
> 
> https://blogs.keysight.com/blogs/inds.entry.html/2020/10/31/non-terrestrial_netw-pUxV.html
>
>
> 
> 
> best regards Hannu
> 
> -----Original Message----- From: 6gip <6gip-bounces@ietf.org> On 
> Behalf Of Alexandre Petrescu Sent: Friday, February 5, 2021 12:28 PM
>  To: 6gip@ietf.org Subject: Re: [6gip] STARLINK
> 
> Hi, Behcet,
> 
> The use of frequency bands at Starlink is worth considering, because 
> there are more and more small satcom devices that can text and voice.
> These devices are potential help for users in search for 
> connectivity.
> 
> We are used to think that 2G evolved towards more and more uibiquity.
> But the situation of connectivity availability is still far from
> ideal. Satcom can help with remote areas such as mountains and sea,
> in some countries, but there is more than even that.
> 
> Today, if one wants to own a single smartphone to use in all 
> countries in the world then that smartphone must be large, expensive 
> and energy-hungry.  More normal versions (cheaper, smaller, less 
> consuming) of these smartphones are limited in the number of 
> countries where they could be used.  E.g. my 2G voice phone works 
> only in Europe and some US but not in Korea; my 3G phone works ok in 
> Korea, Japan and some US but not in Europe, and similar.
> 
> If one wants to be reachable in montaineous our sea areas then one 
> has to carry one or several satcom devices as well.
> 
> In detail, one can realize this difficulty by considering the number 
> of frequency bands (50?) implemented by a 5G-and-LTE iphone of
> recent generation, the different versions of iphones and the list of 
> countries where they could be used.  See for example the huge table 
> listing frequency bands, countries and iphone models at this URL 
> https://www.apple.com/fr/iphone/cellular/
> 
> Ideally, in 6G, there will not be an additional set of another 50 
> frequency bands.  There would be maybe one or two more bands, but 
> larger. They would be agreed on a larger scale by more countries. But
> that agreement might be difficult to achieve because I am not sure I
> know single freq band that is agreed by all countries in the world at
> this time.
> 
> This is where I would like to ponder over this question: what can be 
> done in 6G such that the end result is that one owns a single 
> smartphone able to connect in all countries in the world, on
> mountain and at sea, that is small, inexpensive and not very energy 
> consuming?
> 
> Alex
> 
> Le 04/02/2021 à 18:18, Behcet Sarikaya a écrit :
>> Hi all,
>> 
>> Here is a link for the latest Starlink information on a so-called 
>> sub-reddit:
>> 
>> https://www.reddit.com/r/Starlink/ 
>> <https://www.reddit.com/r/Starlink/>
>> 
>> /r/Starlink is for news, images/videos, and discussions related to
>>  Starlink, the SpaceX satellite internet constellation. Visit 
>> Starlink.com to sign up. Reminder: This is a fan-run subreddit. It 
>> is not an official Starlink website. For official Starlink news and
>> information, please visit Starlink.com
>> 
>> Here you can find Frequency information and much more.
>> 
>> Dirk & Behcet
>> 
> 
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