Patent ID: 7904087
Filing Date: 2011-03-08
Classification: H04L,H04M,H04W

Abstract:
1. An interactive method for a Wireless Local Area Network (WLAN) User equipment (UE) to access a new communication network, comprising: sending, by the WLAN UE that has accessed a first Visited Mobile Communication Network, authentication information to a Home Network of the WLAN UE through a WLAN Access Network and a second Visited Mobile Communication Network, if the WLAN UE is in need of access to the second Visited Mobile Communication Network; receiving, by the WLAN UE, either an Access Permission message or an Access Rejection message from the Home Network via the WLAN Access Network and the second Visited Mobile Communication Network, based on the Home Network having received the authentication information and having authenticated the WLAN UE according to the authentication information; accessing, by the WLAN UE, the second Visited Mobile Communication Network via the WLAN Access Network if the Access Permission message is received; and disconnecting the WLAN UE from a the first Visited Mobile Communication Network based on a disconnection message sent from the Home Network to the first Visited Mobile Communication Network, and wherein accessing the second Visited Mobile Communication Network comprises: establishing, by the WLAN UE, a connection between the WLAN UE and the second Visited Mobile Communication Network, if the WLAN Access Network determines that the Access Permission message is received, otherwise, receiving, by the WLAN UE, the Access Rejection message from the WLAN Access Network.