Re: [Starlink] community gateways

[Alexandre Petrescu <alexandre.petrescu@gmail.com>]

Le 17/01/2024 à 21:57, Inemesit Affia via Starlink a écrit :
> I don't think the idea of advertising with the association of fiber is 
> only about latency.
>
> Think "symmetrical link" which isn't common even for Enterprise satcom.
IT is true.  That symmetrical aspect - upload speed similar to download 
bandwidth, compared to a higher ratio ul/dl - is a great benefit in 
fiber and ADSL for home users.  Maybe the latency ratio could also be 
considered.
>
>
> Also the SLA. Wonder if we can test this link somehow. How performant 
> is it vs the Ku Band service? Anyone has a connection to the customer?

I suppose it is not yet possible to compare the SLA of starlink 
Community gateways, since the starlink Community gateways seem not to be 
deployed already.  But I dont really know.

Alex

PS:

I am not sure what you mean by the SLA aspect (service-level 
agreement).  Maybe you mean a form of higher reliability and stability 
of the user link.

Ku band (12GHz-18GHz) is what typical starlink uses to end users.

Starlink Community gateways might also use Ku band, I think. However, 
the photos show these spheres of 'teleports' which probably use 
something higher than Ku.  I dont know what freqs these teleports use; 
and dont know either whether the Community gateways will use that Ku, or 
use the D-band (120-170GHz) recently reserved by 'ESSAFI II for starlink 
at ITU.

Then there is this Starlink Direct which promisses data (maybe higher 
bandwidths?) to unmodified smartphone users in year 2025, which might 
also be used for communities, albeit much smaller ('tethering' WiFi 
technology).  That is at 2.6 or 3.6 GHz (unmodified smartphones).

JIOSpace fiber seems to be at MEO altitudes and also for unmodified 
smartphones,, hence around 2.6 or 3.6GHz.

Do you think the 'SLA' of smartphones is high?


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