Method for sending indication, method for sending information, and method for solving multi-card problem

1 . A method for sending an indication, applied to a first base station, comprising:

sending first information to a core network, in response to receiving a multi-card problem of a terminal and determining to hand over the terminal to a second base station;

wherein the first information carries related information of the multi-card problem, and the first information is configured to instruct the core network to send the related information of the multi-card problem to the second base station;

wherein the multi-card problem comprises a conflict between a communication operation of a first subscriber identity module (SIM) card in the terminal with the first base station and a communication operation of a second SIM card in the terminal with the second base station, and the related information of the multi-card problem comprises a recommended configuration for solving the multi-card problem.

2 . The method of claim 1 , further comprising:

receiving a measurement report sent by the terminal, wherein the measurement report carries the multi-card problem.

3 . The method of claim 2 , wherein the measurement report further carries at least one of:

measurement results of capabilities of multiple base stations for solving the multi-card problem;

monitoring results of signal qualities of multiple base stations.

4 . The method of claim 3 , further comprising:

determining the second base station from the multiple base stations according to the capabilities of the multiple base stations for solving the multi-card problem and/or the signal qualities of the multiple base stations; or

determining the second base station according to indication information, wherein the measurement report comprises the indication information configured to indicate that the second base station is capable of solving the multi-card problem.

5 . The method of claim 1 , wherein the first information is carried in a handover required signaling; or

the first information is carried in a handover required signaling, wherein the first information is carried in a newly added information element of the handover required signaling, or carried in a source to target transparent container information element of the handover required signaling.

6 . The method of claim 1 , further comprising:

determining a configuration for solving the multi-card problem according to second information from the core network; and

performing a corresponding configuration for the terminal according to the configuration.

7 . The method of claim 6 , wherein the second information is carried in a handover command signaling; or

wherein the second information is carried in a handover command signaling, wherein the second information is carried in a newly added information element of the handover command signaling, or carried in a target to source transparent container information element of the handover command signaling.

8 . The method of claim 1 , wherein sending the first information to the core network comprises:

sending the first information to the core network, in response to determining that no inter-base station interface is available between the first base station and the second base station.

9 . A communication device, comprising:

a processor; and

a memory for storing computer programs;

wherein when the computer programs are executed by the processor, the method for sending the indication of claim 1 is implemented.

10 . A method for sending information, applied to a core network, comprising:

receiving first information sent by a first base station, wherein the first information carries related information of a multi-card problem of a terminal, and the first information is configured to instruct the core network to send the related information of the multi-card problem to a second base station; and

sending the related information of the multi-card problem to the second base station;

wherein the multi-card problem comprises a conflict between a communication operation of a first subscriber identity module (SIM) card in the terminal with the first base station and a communication operation of a second SIM card in the terminal with the second base station, and the related information of the multi-card problem comprises a recommended configuration for solving the multi-card problem.

11 . The method of claim 10 , further comprising:

sending a recommended configuration of the core network for solving the multi-card problem to the second base station.

12 . The method of claim 10 , wherein sending the related information of the multi-card problem to the second base station comprises:

carrying the related information of the multi-card problem via a handover request signaling and sending it to the second base station; or

transparently transmitting a source to target transparent container information element to the second base station, in response to the first information being carried in the source to target transparent container information element of a handover required signaling.

13 . The method of claim 10 , further comprising:

receiving third information sent by the second base station, wherein the third information carries a configuration of the second base station for solving the multi-card problem; and

carrying the configuration of the second base station for solving the multi-card problem in second information and sending it to the first base station.

14 . The method of claim 13 , wherein carrying the configuration of the second base station for solving the multi-card problem in the second information and sending it to the first base station comprises:

transparently transmitting a target to source transparent container information element to the first base station, in response to the third information being carried in the target to source transparent container information element of a handover request acknowledgement signaling; or

carrying the configuration of the second base station for solving the multi-card problem via a handover command signaling and sending it to the first base station, in response to the third information being carried in the handover request acknowledgement signaling and being not carried in the target to source transparent container information element.

15 . A method for solving a multi-card problem, applied to a terminal, comprising:

sending a multi-card problem and information of a second base station to a first base station, so that the first base station sends first information to a core network;

wherein the first information carries related information of the multi-card problem, and the first information is configured to instruct the core network to send the related information of the multi-card problem to the second base station;

wherein the multi-card problem comprises a conflict between a communication operation of a first subscriber identity module (SIM) card in the terminal with the first base station and a communication operation of a second SIM card in the terminal with the second base station, and the related information of the multi-card problem comprises a recommended configuration for solving the multi-card problem.

16 . The method of claim 15 , wherein sending the information of the second base station to the first base station comprises:

sending a measurement report to the first base station, wherein the measurement report at least comprises a measurement result of the second base station.

17 . The method of claim 15 , wherein the method further comprises:

receiving a configuration sent by the second base station for solving the multi-card problem, and solving the multi-card problem according to the configuration; or

receiving a configuration sent by the second base station for solving the multi-card problem, and solving the multi-card problem according to the configuration, wherein receiving the configuration sent by the second base station for solving the multi-card problem comprises: receiving the configuration sent by the first base station, the configuration is sent by the second base station to the core network and sent by the core network to the first base station; or

receiving a configuration sent by the second base station for solving the multi-card problem, and solving the multi-card problem according to the configuration, wherein receiving the configuration sent by the second base station for solving the multi-card problem comprises: receiving the configuration sent by the second base station in response to handing over to the second base station.

18 . The method of claim 17 , further comprising:

sending multi-card problem solved information to the second base station, in response to solving the multi-card problem according to the configuration.