FAST RE-AUTHENTICATION METHOD WHEN HANDOFF IN WLAN-UMTS INTERWORKING NETWORK

摘要

If the invention is to move relates to a method for providing a fast authentication to the mobile station hand-off has occurred during the service in the UMTS-WLAN interworking network, WLAN network or the terminal it is different networks that receive a data service in UMTS networks, mobile haegan proposes a way to continue to use the authentication information was used on the existing network for authentication and encryption of data in the terminal in the new network.; UMTS-WLAN, Re-Authentication