Re: [Starlink] SpaceX/Starlink says it's ready for a fall satellite-to-cell service with T-Mobile

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

Le 04/06/2024 à 20:58, Michael Richardson via Starlink a écrit :
> Eugene Y Chang via Starlink <starlink@lists.bufferbloat.net> wrote:
>      > I observe a difference in my phone’s batter life between urban and
>      > rural usage. I expect the battery life to be significantly reduced with
>      > Starlink.  And yes… if the phone isn’t communicating then the battery
>
> Sure, but if my phone is plugged into my car, and it's sitting on the
> dashboard, that still seems like a win to me.
> (Except for people who were hoping to unplug their kids by going camping)
>
> The service across northern ontario, along the Trans-Canada is still very
> poor (okay, I was last there in 2018).

A phone plugged on the power of the car, but not on its roof antenna, 
and with windows closed - one should worry about strong EM waves and 
health in a first place.

Besides, such an in-car phone might have little chance to talk up to 
satcom 5G direct-to-cell (direct-to-smartphone, -to-device, 'D2D' but 
not 'device-to-device'; care about these terms, they are wrongly used 
and abundantly these days, probably because it's at the beginning).

Similarly, in-_plane_ smartphones might have similar problems to talk 
up(?) to satcom 5G.

It might work, maybe very badly, maybe with very low bandwidth and high 
latencies, if at all.

The frequency range around 800MHz (and not 1GHz-3.5GHz) has been 
mentioned for direct-to-cell.   This frequency set was often touted 
advantageously for car 4G communications but it has not really been 
used.  Maybe it'll be re-proposed for satcom 5G NTN, because it is 
little occupied but present in many smartphones.

Alex

>
>
> _______________________________________________
> Starlink mailing list
> Starlink@lists.bufferbloat.net
> https://lists.bufferbloat.net/listinfo/starlink