Patent ID: 8671161

Claim:
A method for implementing user registration, comprising: after receiving a network attaching request of a user, a requesting node sending an Update Location Request message to a Home Subscriber Server (HSS) of the user, wherein the message includes information indicating it is necessary to download user subscription data, and also includes capability information indicating which user subscription data is supported or not supported by the requesting node; and upon receiving the Update Location Request message, the HSS of the user returning a Update Location Ack acknowledgement message to the requesting node if the check of the user is passed; the HSS determining the user subscription data supported by the requesting node according to the capability information, and including the user subscription data supported by the requesting node in the Update Location Ack message to be returned to the requesting node, wherein the requesting node is a Mobility Management Entity (MME), and the user registration is implemented based on Diameter network protocol.