Patent ID: 8787943
Filing Date: 2014-07-22
Classification: G01S

Abstract:
1. A method of determining a geographic position of a mobile communications terminal operable in a wireless communications network and comprising a receiver of signals of a global navigation satellite system, comprising: calculating a first estimated position of the mobile communications terminal based on pseudo-range measurements related to a plurality of signals received from transmitters of the global navigation satellite system; calculating a second estimated position of the mobile communications terminal based on information provided by the wireless communications network; analyzing the first estimated position to derive an indication of whether at least one of the pseudo-range measurements is affected by errors, wherein said analyzing comprises comparing the first estimated position to the second estimated position to determine whether an estimated accuracy of the first estimated position is higher than an estimated accuracy of the second estimated position; in case an indication that at least one of the pseudo-range measurements is affected by errors is obtained as a result of said analyzing: