Patent ID: 11864028
Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A data transmission method, comprising:
determining, by a terminal device, a target access type for uplink data in multiple different access types;
determining, by the terminal device, a target-type core network (CN) corresponding to the target access type according to a correspondence between an access type and a CN type; and
sending, by the terminal device, the uplink data using at least one data flow corresponding to the target-type CNS,
wherein there is the correspondence between the access type and the CN type that a first type CN corresponds to a first access type, and a second type CN corresponds to a second access type;
wherein the method further comprises:
establishing, by the terminal device, a first route of a protocol data unit (PDU) session in the first type CN over the first access type; and
establishing, by the terminal device, a second route of the PDU session in the second type CN over the second access type.