Patent ID: 11864103
Assignee: SHENZHEN AI-LINK CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 4:
5. A network slicing method, comprising:
receiving, by a local unified data management (UDM), a subscription request sent by a local session management function (SMF) according to a protocol data unit (PDU) session establishment request initiated by a terminal, wherein the PDU session establishment request comprises: initial network slice information, data network name (DNN) information, terminal identification information, and PDU session identification information; and the subscription request comprises: the terminal identification information;
obtaining, by the local UDM, target network slice information corresponding to the terminal identification information according to the terminal identification information; and
sending, by the local UDM, subscription information to a local SMF, wherein the subscription information comprises: the target network slice information, so that the local SMF replaces the initial network slice information in the PDU session establishment request with the target network slice information and determines to establish a PDU session.