Patent ID: 8462785
Filing Date: 2013-06-11
Classification: H04L,H04W

Abstract:
1. A method for processing initial access of a broadband wireless access terminal to which a mobile Internet Protocol (IP) address is assigned in a mobile broadband wireless access network system having a private network, the method comprising: performing, by a router, an initial access procedure for a broadband wireless access terminal requesting the initial access; determining, by the router, whether a mobile IP address is set in the broadband wireless access terminal for which the initial access procedure has been performed; upon determining that the mobile IP address is set in the broadband wireless access terminal requesting the initial access, identifying, by the router, the broadband wireless access terminal to which a mobile IP address is assigned and performing a mobile IP registration procedure for the broadband wireless access terminal; determining, by the router, whether the broadband wireless access terminal is a local subscriber broadband wireless access terminal accessing a private network; and upon determining that the broadband wireless access terminal is a local subscriber broadband wireless access terminal, registering, by the router, a virtual IP address for accessing the private network mapped to the mobile IP address.