Patents Assigned to Vodafone Limted
  • User authentication in a mobile communications network
    Patent number: 6957061
    Abstract: A method of authenticating mobile user equipment in a mobile telecommunications network comprising the steps of receiving an authentication element from a serving network (SN) to which the user equipment is not directly subscribed, extracting the authentication management field (AMF) from the authentication element, generating in response at least to a predetermined value of the authentication management field (AMF), a key set identifier (KSI), and passing the key set identifier (KSI) to the serving network (SN).
    Type: Grant
    Filed: November 16, 2000
    Date of Patent: October 18, 2005
    Assignee: Vodafone Limted
    Inventor: Timothy James Wright