A method for use in a mobile communication system for estimating the location of a target mobile station (MS) which includes receiving signals from the target MS (N) at a plurality of receivers (MS1, MS2, MS3) in different locations and calculating the location of the target MS (N) from information obtained...http://www.google.ca/patents/US7102570?utm_source=gb-gplus-sharePatent US7102570 - Mobile communications stations methods and systems