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

[David Lang]

Mike Puchol wrote:

> Something else that's much harder to implement is MIMO, as you don't get path 
> diversity from a satellite. AST claims they will do this by using more than 
> one satellite, however they haven't answered basic questions such as how will 
> the UE compensate the huge differences in doppler shift on top of the multiple 
> paths.

for the starlink version, the satellite adjusts it's transmit/receive 
frequencies to correct for the doppler shift so that the phones don't need to.

David Lang