Radio link failure handling method and related product

1. A method for processing a radio link failure, applied to a terminal, wherein the terminal comprises a Radio Link Control (RLC) layer entity, and the method comprises:

triggering a communication failure process according to a configuration of the RLC layer entity, when the RLC layer entity reaches a maximum number of retransmission times;

wherein a carrier set configured for a logical channel corresponding to the RLC layer entity comprises a Primary Secondary Cell (PSCell); and triggering the communication failure process according to the configuration of the RLC layer entity comprises:

triggering a radio link failure process of a Secondary Cell Group (SCG);

wherein the triggering the radio link failure process comprises the following steps:

suspending all radio bearers except a signal radio bearer SRB 0 ;

resetting a Medium Access Control (MAC) layer; and

initializing transmission of a Radio Resource Control (RRC) connection reestablishment request message.

2. The method of claim 1 , wherein the communication failure comprises any one of the following:

a radio link failure, a radio link failure of a Secondary Cell Group (SCG), or a radio link failure of a Secondary Cell (SCell).

3. The method of claim 1 , wherein that the RLC layer entity reaches the maximum number of retransmission times refers to that a number of data retransmission times of the RLC layer entity reaches a preset maximum retransmission threshold.

4. The method of claim 1 , wherein a carrier set configured for a logical channel corresponding to the RLC layer entity comprises a Primary Cell (PCell); and triggering the communication failure process according to the configuration of the RLC layer entity comprises:

triggering a radio link failure process.

5. The method of claim 4 , wherein that the carrier set configured for the logical channel corresponding to the RLC layer entity comprises the Primary Cell (PCell) specifically refers to a following situation: logical channel data corresponding to the RLC layer entity is allowed to be transmitted on the PCell, in a case that a bearer corresponding to the RLC layer entity is configured with data duplication and the data duplication is activated.

6. The method of claim 4 , wherein that the carrier set configured for the logical channel corresponding to the RLC layer entity comprises the Primary Cell (PCell) specifically refers to a following situation: logical channel data corresponding to the RLC layer entity is allowed to be transmitted on the PCell, in a case that a bearer corresponding to the RLC layer entity is configured with data duplication but the data duplication is not activated.

7. The method of claim 4 , wherein that the carrier set configured for the logical channel corresponding to the RLC layer entity comprises the Primary Cell (PCell) specifically refers to a following situation: logical channel data corresponding to the RLC layer entity is allowed to be transmitted on the PCell, in a case that a bearer configuration corresponding to the RLC layer entity is not configured with data duplication.

8. The method of claim 4 , wherein the RLC layer entity refers to a Primary Radio Link Control (RLC) layer entity under a carrier aggregation duplication function (CA duplication).

9. The method of claim 8 , wherein the Primary RLC layer entity refers to an RLC layer entity that continues to receive new data from a Packet Data Convergence Protocol (PDCP) layer entity after a carrier aggregation duplication function (CA duplication) of the terminal is deactivated.

10. The method of claim 1 , that the carrier set configured for the logical channel corresponding to the RLC layer entity comprises the Primary Secondary Cell (PSCell) specifically refers to a following situation: logical channel data corresponding to the RLC layer entity is allowed to be transmitted on the PSCell, in a case that a bearer corresponding to the RLC layer entity is configured with data duplication and the data duplication is activated.

11. The method of claim 1 , wherein that the carrier set configured for the logical channel corresponding to the RLC layer entity comprises the Primary Secondary Cell (PSCell) specifically refers to a following situation: logical channel data corresponding to the RLC layer entity is allowed to be transmitted on the PSCell, in a case that a bearer corresponding to the RLC layer entity is configured with data duplication but the data duplication is not activated.

12. The method of claim 1 , wherein that the carrier set configured for the logical channel corresponding to the RLC layer entity comprises the Primary Secondary Cell (PSCell) specifically refers to a following situation: logical channel data corresponding to the RLC layer entity is allowed to be transmitted on the PSCell, in a case that a bearer corresponding to the RLC layer entity is not configured with data duplication.

13. The method of claim 1 , wherein the RLC layer entity refers to a Primary Radio Link Control (RLC) layer entity under a carrier aggregation duplication function (CA duplication).

14. The method of claim 1 , wherein a carrier set configured for a logical channel corresponding to the RLC layer entity only comprises a Secondary Cell (SCell); and triggering the communication failure process according to the configuration of the RLC layer entity comprises:

triggering reporting of a radio link failure of the SCell.

15. The method of claim 14 , wherein that the carrier set configured for the logical channel corresponding to the RLC layer entity only comprises the SCell specifically refers to a following situation: logical channel data corresponding to the RLC layer entity is only able to be transmitted on the SCell, in a case that a bearer corresponding to the RLC layer entity is configured with data duplication and the data duplication is activated.

16. The method of claim 14 , wherein the RLC layer entity refers to a Primary Radio Link Control (RLC) layer entity under a carrier aggregation duplication function (CA duplication).

17. The method of claim 14 , wherein the RLC layer entity refers to a secondary Radio Link Control (RLC) layer entity under a carrier aggregation duplication function (CA duplication).

18. The method of claim 17 , wherein the secondary RLC refers to an RLC layer entity that no longer receives new data of a Packet Data Convergence Protocol (PDCP) layer entity after a carrier aggregation duplication function (CA duplication) of the terminal is deactivated.

19. A terminal, wherein the terminal comprises a processor, a memory, and a communication interface, wherein one or more programs are stored in the memory and configured to be executed by the processor, and the one or more programs include instructions for:

triggering a communication failure process according to a configuration of a Radio Link Control (RLC) layer entity, when the RLC layer entity reaches a maximum number of retransmission times through the communication interface;

wherein a carrier set configured for a logical channel corresponding to the RLC layer entity comprises a Primary Secondary Cell (PSCell); and triggering the communication failure process according to the configuration of the RLC layer entity comprises:

triggering a radio link failure process of a Secondary Cell Group (SCG);

wherein the triggering the radio link failure process comprises the following steps:

suspending all radio bearers except a signal radio bearer SRB 0 ;

resetting a Medium Access Control (MAC) layer; and

initializing transmission of a Radio Resource Control (RRC) connection reestablishment request message.

20. The terminal of claim 19 , wherein the communication failure comprises any of the following:

a radio link failure, a radio link failure of a Secondary Cell Group (SCG), a radio link failure of a Secondary Cell (SCell).

21. The terminal of claim 19 , wherein a carrier set configured for a logical channel corresponding to the RLC layer entity comprises a Primary Cell (PCell); and in an aspect of triggering the communication failure process according to the configuration of the RLC layer entity, the instructions are specifically for triggering a radio link failure process.

22. The terminal of claim 21 , wherein that the carrier set configured for the logical channel corresponding to the RLC layer entity comprises the Primary Cell (PCell) specifically refers to a following situation: logical channel data corresponding to the RLC layer entity is allowed to be transmitted on the PCell, in a case that a bearer corresponding to the RLC layer entity is configured with data duplication and the data duplication is activated.

23. The terminal of claim 21 , wherein that the carrier set configured for the logical channel corresponding to the RLC layer entity comprises the Primary Cell (PCell) specifically refers to a following situation: logical channel data corresponding to the RLC layer entity is allowed to be transmitted on the PCell, in a case that a bearer corresponding to the RLC layer entity is configured with data duplication but the data duplication is not activated.

24. The terminal of claim 21 , wherein that the carrier set configured for the logical channel corresponding to the RLC layer entity comprises the Primary Cell (PCell) specifically refers to a following situation: logical channel data corresponding to the RLC layer entity is allowed to be transmitted on the PCell, in a case that a bearer configuration corresponding to the RLC layer entity is not configured with data duplication.

25. The terminal of claim 21 , wherein the RLC layer entity refers to a Primary Radio Link Control (RLC) layer entity under a carrier aggregation duplication function (CA duplication).

26. The terminal of claim 19 , wherein a carrier set configured for a logical channel corresponding to the RLC layer entity comprises a Primary Secondary Cell (PSCell); and in an aspect of triggering the communication failure process according to the configuration of the RLC layer entity, the instructions are specifically for triggering a radio link failure process of a Secondary Cell Group (SCG).

27. The terminal of claim 26 , wherein that the carrier set configured for the logical channel corresponding to the RLC layer entity comprises the Primary Secondary Cell (PSCell) specifically refers to a following situation:

logical channel data corresponding to the RLC layer entity is allowed to be transmitted on the PSCell, in a case that a bearer corresponding to the RLC layer entity is configured with data duplication and the data duplication is activated;

or, logical channel data corresponding to the RLC layer entity is allowed to be transmitted on the PSCell, in a case that a bearer corresponding to the RLC layer entity is configured with data duplication but the data duplication is not activated;

or, logical channel data corresponding to the RLC layer entity is allowed to be transmitted on the PSCell, in a case that a bearer corresponding to the RLC layer entity is not configured with data duplication.

28. The terminal of claim 19 , wherein a carrier set configured for a logical channel corresponding to the RLC layer entity comprises only a Secondary Cell (SCell); and in an aspect of triggering the communication failure process according to the configuration of the RLC layer entity, the instructions are specifically for triggering reporting of a radio link failure of the SCell.

29. A non-transitory computer-readable storage medium, wherein the computer-readable storage medium stores computer programs for electronic data interchange, wherein the computer programs enable a computer to perform a method, applied to a terminal, for processing a radio link failure comprising triggering a communication failure process according to a configuration of a Radio Link Control (RLC) layer entity, when the RLC layer entity reaches a maximum number of retransmission times;

wherein a carrier set configured for a logical channel corresponding to the RLC layer entity comprises a Primary Secondary Cell (PSCell); and triggering the communication failure process according to the configuration of the RLC layer entity comprises:

triggering a radio link failure process of a Secondary Cell Group (SCG);

wherein the triggering the radio link failure process comprises the following steps:

suspending all radio bearers except a signal radio bearer SRB 0 ;

resetting a Medium Access Control (MAC) layer; and

initializing transmission of a Radio Resource Control (RRC) connection reestablishment request message.