Service in wlan inter-working, address management system, and method
First Claim
1. A system for managing address allocation of a mobile terminal in WLAN inter-working without depending on local WLAN access control, wherein a secure end-to-end service authorization signalling between the mobile terminal and a controller in a home domain of the mobile terminal that has access to user subscription information is used for address management, whereby the controller can manage the address allocation based on service authorization information.
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Accused Products
Abstract
The present invention provides a solution to the mobile terminal address management in the WLAN inter-working. By using the access control framework, the mobile terminal could obtain the address, and setup the tunnel together with the granting of service access. The management process would be shielded by the inherent encryption and protection of the access control process, and thus does not need extra security setup procedures to be performed. The invention also provides a method for the terminal to obtain address that binds to the session, using a fine grain service authorization procedure. The terminal could maintain multiple addresses when accessing multiple parallel sessions. The address management is also integrated with the policy control mechanisms. The policy control would provide means for the terminal and its home network to configure the WLAN when necessary after an address alternation. QoS, or tunnelling information would be modified and provisioned according to the new status using channels available in the existing policy control procedures. By this, a smooth address transition in the roaming time could be achieved, and QoS interruption could be minimized.
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Citations
31 Claims
- 1. A system for managing address allocation of a mobile terminal in WLAN inter-working without depending on local WLAN access control, wherein a secure end-to-end service authorization signalling between the mobile terminal and a controller in a home domain of the mobile terminal that has access to user subscription information is used for address management, whereby the controller can manage the address allocation based on service authorization information.
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2. A system for managing a tunnel used by a mobile terminal in WLAN inter-working without depending on local WLAN access control, wherein a secure end-to-end service authorization signalling between the mobile terminal and a controller in a home domain of the mobile terminal that has access to user subscription information is used for tunnel management, whereby the controller can manage the tunnel based on service authorization information.
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3. A system for managing address allocation of a mobile terminal and a tunnel used by a mobile terminal in WLAN inter-working without depending on local WLAN access control, wherein a secure end-to-end service authorization signalling between the mobile terminal and a controller in a home domain of the mobile terminal that has access to user subscription information is used for address and tunnel management, whereby the controller can manage the address allocation and the tunnel based on service authorization information.
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15. 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:
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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. - View Dependent Claims (18, 19, 20, 21, 22, 28, 30)
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16. 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:
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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. - View Dependent Claims (23, 24, 25, 26, 27, 29, 31)
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17. 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:
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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.
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Specification