Service in wlan inter-working, address management system, and method

A method for managing address allocation of a mobile terminal for accessing service in WLAN inter-working without depending on local WLAN access control comprising:

• i. a step in which the mobile terminal sends an address management request together with a secure end-to-end service authorization request to a controller in a home domain of the mobile terminal that has access to user subscription information;
• ii. a step in which the controller allocates an address for the mobile terminal to access service based on the service authorization request and the user subscription information;
• and
• iii. a step in which the controller sends address management information to the mobile terminal with the secure end-to-end service authorization signalling.

A method for managing address allocation of a mobile terminal for accessing service in WLAN inter-working without depending on local WLAN access control comprising:

• i. a step in which the mobile terminal sends an tunnel management request together with a secure end-to-end service authorization request to a controller in a home domain of the mobile terminal that has access to user subscription information;
• ii. a step in which the controller decides tunnel configuration for the mobile terminal to access service based on the service authorization request and the user subscription information;
• and
• iii. a step in which the controller sends tunnel configuration information to the mobile terminal with the secure end-to-end service authorization signalling.

A method for managing address allocation of a mobile terminal for accessing service in WLAN inter-working without depending on local WLAN access control comprising:

• i. a step in which the mobile terminal sends an address and tunnel management request together with a secure end-to-end service authorization request to a controller in a home domain of the mobile terminal that has access to user subscription information;
• ii. a step in which the controller decides an address and tunnel configuration for the mobile terminal to access service based on the service authorization request and the user subscription information;
• and
• iii. a step in which the controller sends information on the address and the tunnel configuration to the mobile terminal with the secure end-to-end service authorization signalling.