Radio barrier processing method and network device

1. A radio bearer processing method applied for a secondary network device, comprising:

establishing or refusing to establish, when a first event is detected, a signaling radio bearer (SRB) with a mobile terminal;

wherein the first event comprises at least one of: the secondary network device being added by a master network device accessed by the mobile terminal, configuration of the secondary network device being changed, or the mobile terminal being switched from another secondary network device to the secondary network device;

wherein the establishing the SRB with a mobile terminal comprises:

receiving first information from the master network device, the mobile terminal, the mobile terminal through the master network device or the other secondary network device, the first information being used to instruct or request the secondary network device to establish the SRB with the mobile terminal; and

establishing the SRB with the mobile terminal based on the first information;

wherein the first information comprises first sub-instruction information, and the first sub-instruction information is used to indicate at least one of: an RRC message that need to be transmitted by the secondary network device to the mobile terminal through the SRB; or an RRC message that needs to be reported by the mobile terminal through the SRB.

2. The radio bearer processing method according to claim 1 , wherein after establishing the SRB with the mobile terminal, the radio bearer processing method further comprises:

transmitting first indication information to the master network device or the other secondary network device to indicate that the SRB has been established,

wherein the first indication information comprises second sub-indication information used to indicate at least one of: an RRC message that needs to be transmitted by the secondary network device to the mobile terminal through the SRB, and an RRC message that needs to be reported by the mobile terminal through the SRB.

3. The radio bearer processing method according to claim 1 , wherein after establishing the SRB with the mobile terminal, the radio bearer processing method further comprises:

transmitting first configuration information of the RRC message to the mobile terminal, the first configuration information is used to indicate at least one of: an RRC message that needs to be reported by the mobile terminal through the SRB; and an RRC message that needs to be reported by the mobile terminal to the master network device.

4. The radio bearer processing method according to claim 3 , wherein the first configuration information further comprises third sub-instruction information, and the third sub-instruction information is used to instruct the mobile terminal to, when it is determined a failure event related to the SRB and/or a Secondary Cell Group (SCG) occurs, perform one of the following:

after the failure event is recovered, reporting the RRC message that needs to be reported by the mobile terminal through the SRB;

reporting the RRC message that needs to be reported by the mobile terminal through other RBs in SCG where no failure event occurs;

reporting the RRC message that needs to be reported by the mobile terminal through the SRB to the master network device;

reporting the RRC message that needs to be reported by the mobile terminal through the SRB to a network device corresponding to a Master Cell Group (MCG); and

discarding the RRC message that needs to be reported by the mobile terminal through the SRB.

5. The radio bearer processing method according to claim 1 , wherein after establishing the SRB with the mobile terminal, the radio bearer processing method further comprises:

receiving second instruction information from the master network device;

transmitting second configuration information to the mobile terminal based on the second instruction information, the second configuration information being used to instruct the mobile terminal to, when it is determined a failure event related to the SRB and/or a Secondary Cell Group (SCG) occurs, perform one of:

after the failure event is recovered, reporting the RRC message that needs to be reported by the mobile terminal through the SRB;

reporting the RRC message that needs to be reported by the mobile terminal through other RBs in SCG where no failure event occurs;

reporting the RRC message that needs to be reported by the mobile terminal through the SRB to the master network device;

reporting the RRC message that needs to be reported by the mobile terminal through the SRB to a network device corresponding to a Master Cell Group (MCG); and

discarding the RRC message that needs to be reported by the mobile terminal through the SRB.

6. The radio bearer processing method according to claim 1 , wherein the SRB is a SRB 3 .

7. A network device, comprising a memory, a processor, and a computer program stored in the memory and executed by the processor, wherein the processor is configured to execute the computer program so as to implement a radio bearer processing method, the method comprises following steps:

establishing or refusing to establish, when a first event is detected, a signaling radio bearer (SRB) with a mobile terminal;

wherein the first event comprises at least one of: a secondary network device being added by a master network device accessed by the mobile terminal, configuration of the secondary network device being changed, or the mobile terminal being switched from another secondary network device to the secondary network device;

wherein the establishing the SRB with a mobile terminal comprises:

receiving first information from the master network device, the mobile terminal, the mobile terminal through the master network device or the other secondary network device, the first information being used to instruct or request the secondary network device to establish the SRB with the mobile terminal; and

establishing the SRB with the mobile terminal based on the first information;

wherein the first information comprises first sub-instruction information, and the first sub-instruction information is used to indicate at least one of: an RRC message that needs to be transmitted by the secondary network device to the mobile terminal through the SRB; or an RRC message that needs to be reported by the mobile terminal through the SRB.

8. The network device according to claim 7 , wherein after establishing the SRB with the mobile terminal, the radio bearer processing method further comprises:

transmitting first indication information to the master network device or the other secondary network device to indicate that the SRB has been established,

wherein the first indication information comprises second sub-indication information used to indicate at least one of: an RRC message that needs to be transmitted by the secondary network device to the mobile terminal through the SRB, and an RRC message that needs to be reported by the mobile terminal through the SRB.

9. The network device according to claim 7 , wherein after establishing the SRB with the mobile terminal, the radio bearer processing method further comprises:

transmitting first configuration information of the RRC message to the mobile terminal, the first configuration information is used to indicate at least one of: an RRC message that needs to be reported by the mobile terminal through the SRB; and an RRC message that needs to be reported by the mobile terminal to the master network device.

10. The network device according to claim 9 , wherein the first configuration information further comprises third sub-instruction information, and the third sub-instruction information is used to instruct the mobile terminal to, when it is determined a failure event related to the SRB and/or a Secondary Cell Group (SCG) occurs, perform one of the following:

after the failure event is recovered, reporting the RRC message that needs to be reported by the mobile terminal through the SRB;

reporting the RRC message that needs to be reported by the mobile terminal through other RBs in SCG where no failure event occurs;

reporting the RRC message that needs to be reported by the mobile terminal through the SRB to the master network device;

reporting the RRC message that needs to be reported by the mobile terminal through the SRB to a network device corresponding to a Master Cell Group (MCG); and

discarding the RRC message that needs to be reported by the mobile terminal through the SRB.

11. The network device according to claim 7 , wherein after establishing the SRB with the mobile terminal, the radio bearer processing method further comprises:

receiving second instruction information from the master network device;

transmitting second configuration information to the mobile terminal based on the second instruction information, the second configuration information being used to instruct the mobile terminal to, when it is determined a failure event related to the SRB and/or a Secondary Cell Group (SCG) occurs, perform one of:

after the failure event is recovered, reporting the RRC message that needs to be reported by the mobile terminal through the SRB;

reporting the RRC message that needs to be reported by the mobile terminal through other RBs in SCG where no failure event occurs;

reporting the RRC message that needs to be reported by the mobile terminal through the SRB to the master network device;

reporting the RRC message that needs to be reported by the mobile terminal through the SRB to a network device corresponding to a Master Cell Group (MCG); and

discarding the RRC message that needs to be reported by the mobile terminal through the SRB.

12. The network device according to claim 7 , wherein the SRB comprises a SRB 3 used to transmit RRC messages Related to the secondary network device.

13. A non-transitory computer-readable storage medium storing therein a computer program, wherein the computer program is executed by a processor so as to implement:

establishing or refusing to establish, when a first event is detected, a signaling radio bearer (SRB) with a mobile terminal;

wherein the first event comprises at least one of: a secondary network device being added by a master network device accessed by the mobile terminal, configuration of the secondary network device being changed, or the mobile terminal being switched from another secondary network device to the secondary network device;

wherein the computer program is executed by a processor so as to implement:

receiving first information from the master network device, the mobile terminal, the mobile terminal through the master network device or the other secondary network device, the first information being used to instruct or request the secondary network device to establish the SRB with the mobile terminal; and

establishing the SRB with the mobile terminal based on the first information;

wherein the first information comprises first sub-instruction information, and the first sub-instruction information is used to indicate at least one of: an RRC message that needs to be transmitted by the secondary network device to the mobile terminal through the SRB; or an RRC message that needs to be reported by the mobile terminal through the SRB.

14. The non-transitory computer-readable storage medium according to claim 13 , wherein the SRB is a SRB 3 .