Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2009-09-14
2011-12-20
Trinh, Sonny (Department: 2618)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S410000, C455S411000, C370S338000
Reexamination Certificate
active
08081971
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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Cheng Hong
Tan Chee Bing
Tan Pek-Yew
Panasonic Corporation
Seed IP Law Group PLLC
Trinh Sonny
LandOfFree
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