METHOD AND SYSTEM FOR LOCATING AND SATELLITE COMMUNICATION OF A RADIOELECTRIC TERMINAL FIXED TO THE GROUND USING AT LEAST ONE RUNNING SATELLITE

摘要

The invention relates to a method for locating and communicating a radio terminal by a satellite tracking and communication system (2) implements a first step during which the radio terminal (20) transmits to a traveling satellite (10). ) a repetition sequence a predetermined number N of times of the same data packet which is each time shifted in time by the same time shift predetermined. Subsequently, a satellite access and processing ground station (30) determines the location of the radio terminal from the access data packets extracted from a listening signal digitized and dated by the satellite and from the same detected sequence. associated with said radio terminal, and from the ephemeris of the satellite using a technique for measuring angle (s) of arrival by sequenced interferometry associated with a technique for measuring Doppler drift (s). Figure for the abstract: Fig. 1