Method of performing a base station challenge in a cellular telecommunications network

摘要

The present invention relates to a method for performing base station challenge. The method has steps of sending a base station challenge message (40) from a mobile station (16) to an anchor exchange (12A). The anchor exchange receives the base station challenge message, and performs the base station challenge to obtain an authentication result. Then, the anchor exchange forwards the authentication result (44) to the mobile station through a serving exchange (125).