Patent ID: 8441995

Claim:
A method for supporting addressing by a user static Internet Protocol (IP) address in a Long Term Evolution (LTE) system, comprising: when a user attaches to a network, downloading, by a Home Subscriber Server (HSS), user subscription data comprising a user static IP address and information of an Access Point Name (APN) corresponding to the user static IP address, and further comprising information of a default APN to a Mobility Management Entity (MME); sending, by the MME, the user static IP address and the information of the APN corresponding to the user static IP address, and further the information of the default APN to a Serving Gateway (S-GW) through a Create Default Bearer Request message; if the APN corresponding to the user static IP address is the same as the default APN or there is only one APN, sending, by the S-GW, the user static IP address, the information of the APN corresponding to the user static IP address and the address of the S-GW serving the user to a Packet Data Network Gateway (P-GW) corresponding to the default APN through the Create Default Bearer Request message; and if the APN corresponding to the user static IP address is different from the default APN, sending, by the S-GW, the user static IP address, the information of the APN corresponding to the user static IP address and the address of the S-GW serving the user to the P-GW, which corresponds to the information of the APN corresponding to the user static IP address through the Create Default Bearer Request message; and establishing, by the P-GW, a default bearer according to the user static IP address, the information of the APN corresponding to the user static IP address and the address of the S-GW serving the user.