Patent ID: 11877251
Assignee: SHENZHEN AI-LINK CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 7:
8. A time synchronization method, comprising:
receiving, by a user plane function UPF, a target forwarding rule sent by a SMF according to target virtual dedicated link information, wherein the target virtual dedicated link information comprises first interface information, second interface information and target PDU session information, a first interface indicated by the first interface information is connected to a first clock node to be synchronized, and a second interface indicated by the second interface information is connected to a second clock node to be synchronized; and
establishing, by the UPF, a target PDU session with a terminal according to the target forwarding rule, so as to transmit a time synchronization message by the target PDU session and the first interface and the second interface indicated by the target virtual dedicated link information.