METHOD FOR IMPLEMENTING MULTI-CAST BROADCAST SERVICE HANDOVER AND RELATED DEVICE

摘要

A method for implementing multi-cast broadcast service handover and a related device. The method is applied to a user equipment, and the method includes: receiving a handover complete indication transmitted by a target base station; triggering establishment of a protocol data unit (PDU) session on a target base station side in response to a determination that the target base station does not support the MBS, so that a session management function (SMF) subscribes to a multicast broadcast-unified data manager (MB-UDM); and causing the SMF to acquire quality of service flow information corresponding to the activated MBS session in a modification procedure of the triggered PDU session after the MBS session is activated, to establish a quality of service flow corresponding to the activated MBS session in the PDU session, there being one or more pieces of quality of service flow information.