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Mobile terminal e.g. mobile phone, position determining method, involves selecting hypothesis couple corresponding to signal reply presenting correlation with signal received during time interval to determine pseudo-random code
Mobile terminal e.g. mobile phone, position determining method, involves selecting hypothesis couple corresponding to signal reply presenting correlation with signal received during time interval to determine pseudo-random code
The method involves determining an estimated position of satellites, an estimated distance between a mobile terminal (UE) and each satellite in view. Associated Doppler effect is determined according to hypothesis couple. The hypothesis couple corresponding to a signal reply presenting a maximal correlation with a signal received during a time interval is selected to determine pseudo-random code modulating the signals. The signal reply corresponding to the estimated position, the estimated distance and the associated Doppler effect, is determined on a chosen time interval, for each hypothesis couple. Independent claims are also included for the following: (a) a mobile terminal; (b) an assistance server for a cellular communication network; (c) a process of enhancing assistance data of navigation for determining position of a mobile terminal; and (d) a device permitting supply of a representation of a three-dimensional model effect.
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