Procedure and data transmission system between a satellite and a ground base station, satellite displacement terminal repeater and base station.

摘要

Method for transmitting data via radio frequency links for communication of a first type between at least one relay terminal and a station (2) ground base, the relay terminal is arranged in a satellite (1) in displacement on a first orbit, the method comprising the steps of: (a) issuing (S203) a data signal via radio frequency links from the relay terminal satellite (1) in displacement towards a satellite (3) telecommunication disposed on a second orbit altitude greater than the first orbit; (B) receiving (S204) said data signal via radio frequency links on the satellite (3) telecommunication; (C) transmitting (S206) from the satellite (3) to the telecommunication station (2) based the signal via radio frequency links emitted by the terminal (1) repeater; wherein the method further comprises a step (d) spread spectrum (S201) applied by the terminal (1) on the signal repeater data links prior to step (a) RF; a step (e) of telecommunication, carried out simultaneously with at least steps (b) and (c) between the satellite (3) telecommunication and units (5) ground, according to a communication of a second type, different first type of communication, without interference with the reception and transmission of the signal via radio frequency links carried out in steps (b) and (c) respectively.