[Starlink] Quick questions about Starlink user terminal

[Ulrich Speidel]

On a side note (TX vs RX):

When people look at the "speed" of Internet connections, there's often a 
focus on "down" as opposed to "up".

For folk working from home using cloud storage for audio or video 
content that they edit, not having a lot of "up" is an issue.

Here's what to expect around our neck of the woods:

https://comcom.govt.nz/__data/assets/pdf_file/0023/314816/MBNZ-Summer-Report-2-May-2023.pdf 
(page 7 and 9)

Now one of the interesting bits about Starlink is that its uplink 
performance is really not that great in comparison to downlink here in 
NZ - pretty much the worst of the current technologies:

This agrees with what I've seen here personally. ADSL in non-fibre areas 
generally now means "miles from the DSLAM", as does VDSL. DSLAM-side 
crosstalk tends to be the limiting factor there.

Non-fibre areas also generally mean "far from the base station". HFC is 
available in only a few select areas here as NZ does not have large 
cable networks.

On 12/05/2023 10:18 am, Oleg Kutkov via Starlink wrote:
> On 5/12/23 01:12, Sirapop Theeranantachai wrote:
>
> > Just a confirmation, HP terminal can work with two satellites at the
> > same time, one for only TX, and the other for only RX. Is this
> > statement still correct?
>
>
> Correct. It's a hardware limitation. A switch inside connects antenna
> elements to transmitter or receiver chains.
> Plus, each Dishy can do TX only in specified time slots. TX slots depend
> on the allowed duty cycle and are defined by a global scheduler.
>
> -- 
> Best regards,
> Oleg Kutkov
>
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-- 
****************************************************************
Dr. Ulrich Speidel

School of Computer Science

Room 303S.594 (City Campus)

The University of Auckland
u.speidel at auckland.ac.nz  
http://www.cs.auckland.ac.nz/~ulrich/
****************************************************************


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