can 4G LTE be used on LEO satellites to provide a base station on space?
A satellite mobile system needs to be designed differently to a terrestrial one, because the coverage of the satellite is so huge and the spectrum resource is shared between so many users. In addition, the backhaul from the satellite for a Leo is a significant problem because it is not geosynchronous. Terrestrial mobile traffic is back hauled to the switching centre and a large fixed network, which we would like to avoid with a satellite. For satellite telephony, the two users will often be within the same coverage area, but for broadband this is not the case and traffic has to be back hauled.
Are there any special standards designed for satellites? I know 3GPP has a special standard for satellite in UMTS.
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