Patent ID: 7742776
Filing Date: 2010-06-22
Classification: G01S

Abstract:
1. A method for locating a mobile terminal within a mobile communication network comprising at least one base station, the method comprising the steps of: measuring a set of physical dimensions that identify, according to respective functions, locating coordinates of said mobile terminal, the set of physical dimensions comprising any combination of physical dimensions selected from the group comprising signal power received by the mobile terminal starting from the base station, timing advance, observed time differences, and time of arrival, generating, starting from said set of physical dimensions and respective functions, a global locating error function which has a minimum for values of said locating co-ordinates corresponding with the position occupied by said mobile terminal, seeking the minimum of said error function by varying at least one of said locating co-ordinates, and locating said mobile terminal in correspondence with the value of said at least one locating co-ordinate corresponding to said minimum.