Patent ID: 8805400

Claim:
A method for estimating a location of a subscriber station receiving a first signal from a first base station, receiving a second signal from a second base station, and receiving a third signal from a third base station where the first, second, and third base stations are nodes in a WiMAX or LTE network, the method comprising: (a) receiving from said subscriber station a message containing a first information and a second information; (b) determining a range ring from said first base station using said first information; (c) determining a location hyperbola using said second information wherein said location hyperbola has said second and said third base stations as foci; and (d) estimating a location of said subscriber station using said range ring and said location hyperbola, wherein the step of estimating a location of said subscriber station includes: (i) determining a serving sector of said first base station for said subscriber station; and (ii) estimating a location of said subscriber station as a point of intersection of said range ring and said location hyperbola that is within said serving sector.