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Existing smartphones will connect with new satellite constellations in 2023

spectrum.ieee.org

41–50 of 233 posts

Re: Existing smartphones will connect with new satellite constellations in 2023

#41

Earlier quoted context omitted.

Well, so far they only promised to. So, probably it’ll be done the same way that Teslas could self drive, across the county, unassisted in 2017

> Well, so far they only promised to. Apple’s solution works today. Consumers are using it. This is mentioned in the article.

except the article mentions specifically that Apple is partnered with Globalstar, not Starlink, for their emergency services functionality

Re: Existing smartphones will connect with new satellite constellations in 2023

#42
post #34

This will hopefully give Canadians real options for mobile phone plans. It will be "illegal" because our telecom monopoly (oligopoly) writes the laws, but presumably with a US address it will be possible, like it was with satellite dishes, to get a proper phone on a network that doesn't gouge you. I'll be curious what the monopoly does to try and fight it.

The satellites will surely have a certain amount of beam steering capability. (You need beamforming for this to work at all, I think.) If you're too far from the border, you may not be able to trick the system into believing you're in the US. (A lot depends on the implementation ... and what governments demand in terms of compliance.)

Would that be, like, one beam per connected user, or, like, city?

Re: Existing smartphones will connect with new satellite constellations in 2023

#43
post #34

Earlier quoted context omitted.

The satellites will surely have a certain amount of beam steering capability. (You need beamforming for this to work at all, I think.) If you're too far from the border, you may not be able to trick the system into believing you're in the US. (A lot depends on the implementation ... and what governments demand in terms of compliance.)

Would that be, like, one beam per connected user, or, like, city?

Per cell, size of a small city.

Re: Existing smartphones will connect with new satellite constellations in 2023

#44
post #24

This sounds to me like a single, global, commercial IMSI catcher that can track international movement of cell phones.. I guess the question is how good their triangulation will be, but I imagine the back-end data market for this will be fairly lucrative for them. And they don't really need any countries permission to _listen_ from space... .. .

I find it hard to believe that there aren't already intelligence satellites up there listening to as much RF as possible everywhere all the time.

The cool thing is that now you'll be able to cheaply monetize this information in order to better serve users with great perfectly-tailored advertising

It'll be like a cool guy is just following you around 24/7 making sure you know what to buy and do and think

Re: Existing smartphones will connect with new satellite constellations in 2023

#45

Huh, I wonder how they manage to pick up the tiny amount of RF energy a normal phone can output from that far away, and through the noise of literally millions of other phones in the satellite's field of view. Gotta be some real weird RF voodoo happening in there.

I studied a little of RF engineering in college. It just seemed like a black art to me.

Re: Existing smartphones will connect with new satellite constellations in 2023

#46
post #24

This sounds to me like a single, global, commercial IMSI catcher that can track international movement of cell phones.. I guess the question is how good their triangulation will be, but I imagine the back-end data market for this will be fairly lucrative for them. And they don't really need any countries permission to _listen_ from space... .. .

I find it hard to believe that there aren't already intelligence satellites up there listening to as much RF as possible everywhere all the time.

[deleted]

Re: Existing smartphones will connect with new satellite constellations in 2023

#48
post #24

This sounds to me like a single, global, commercial IMSI catcher that can track international movement of cell phones.. I guess the question is how good their triangulation will be, but I imagine the back-end data market for this will be fairly lucrative for them. And they don't really need any countries permission to _listen_ from space... .. .

I find it hard to believe that there aren't already intelligence satellites up there listening to as much RF as possible everywhere all the time.

There literally are, there's very good declassified evidence that has leaked out periodically in small pieces since the mid 1980s that some of what the NSA has are very large satellites with big unfolding umbrella-like antennas aimed directly down at the ground. For SIGINT collection and analysis. Or possibly some combination overlap between the black budget parts of the NRO and NSA.

Same size satellite bus as the largest class of things you would see in geostationary orbit (approx 6500 kg and the size of a school bus) but in high inclination orbits around 600 km.

Re: Existing smartphones will connect with new satellite constellations in 2023

#49

Earlier quoted context omitted.

Well, so far they only promised to. So, probably it’ll be done the same way that Teslas could self drive, across the county, unassisted in 2017

> Well, so far they only promised to. Apple’s solution works today. Consumers are using it. This is mentioned in the article.

Apples solution is in SOS emergency situations only. It is extremely limited in what you can transmit—which near as I can tell is just a well defined message format.

Re: Existing smartphones will connect with new satellite constellations in 2023

#50
post #40

Earlier quoted context omitted.

> Well, so far they only promised to. Apple’s solution works today. Consumers are using it. This is mentioned in the article.

Apple's solution is making use of special features in the radio package. The post states unmodified phones.

Still, the fact that Apple has figured out the weird RF voodoo already makes it seem like a less ridiculous proposition.
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