Data transmission method, apparatus and system

A data transmission method, comprises:

• receiving, by a Packet Data Network-GateWay, P-GW, a data message sent by a Mobile Edge Compute, MEC, server;
• wherein the data message sent by the MEC server is sent to the P-GW when the MEC server determines that a User Equipment, UE, for receiving the data message is in a Radio Resource Control, RRC, non-connected state;
• sending, by the P-GW, the data message to a Serving Gateway, S-GW, and triggering, by the S-GW, a paging process of the UE.

A data transmission apparatus, comprises:

• a first module configured to, after receiving a data message sent by a local service server and when determining that a User Equipment, UE, for receiving the data message is in a Radio Resource Control, RRC, non-connected state, send the data message corresponding to the UE to a Packet Data Network-GateWay, P-GW, to trigger a paging process of the UE;
• a second module configured to inquire downlink bearer information for transmitting the data message to the UE in a preset duration, and send the data message according to the downlink bearer information when there is the downlink bearer information from inquiry.

A data transmission apparatus, comprises:

• a receiving module configured to receive a data message sent by a Mobile Edge Compute, MEC, server;
• wherein the data message sent by the MEC server is sent to the apparatus when the MEC server determines that a User Equipment, UE, for receiving the data message is in a Radio Resource Control, RRC, non-connected state;
• a sending module configured to send the data message to a Serving Gateway, S-GW, which triggers a paging process of the UE.

(canceled)