Capability determination method and apparatus, capability indication method and apparatus, communication apparatus and storage medium

1 . A capability determination method, performed by a terminal, comprising:

receiving capability indication information sent by a network side device; and

determining, according to the capability indication information, a support capability of the network side device for the terminal to perform multiple subscriber identity module (multi-SIM) connection switching; wherein a SIM used for receiving the capability indication information in the terminal is in a connected state;

determining whether a support capability of a network side device connected to the SIM used for receiving the capability indication information for the terminal to perform the multi-SIM connection switching matches the capability of the terminal to perform the multi-SIM connection switching; and

in case that the support capability of the network side device connected to the SIM used for receiving the capability indication information for the terminal to perform the multi-SIM connection switching matches the capability of the terminal to perform the multi-SIM connection switching, sending information about the terminal to perform the multi-SIM connection switching to the network side device connected to the SIM used for receiving the capability indication information;

wherein the capability indication information is carried in a system information block (SIB);

wherein the network side device comprises a new radio (NR) network side device, and the SIB comprises an SIB carried in on-demand system information (SI).

2 . The method according to claim 1 , wherein the terminal is provided with a plurality of SIMs, and the plurality of SIMs at least comprise a first SIM and a second SIM, and the multi-SIM connection switching comprises switching to the second SIM for communication operation when communication operation is performed through the first SIM.

3 . The method according to claim 2 , wherein the support capability comprises whether the network side device supports the terminal to perform the multi-SIM connection switching in case that a first condition is satisfied,

wherein the first condition comprises at least one of:

the first SIM leaves a connected state, or

the first SIM remains in the connected state;

wherein the first SIM leaves the connected state comprises at least one of:

the first SIM leaves the connected state based on an access stratum, or

the first SIM leaves the connected state based on a non-access stratum;

wherein the first SIM remains in the connected state comprises at least one of:

the first SIM remains in the connected state based on an access stratum; or

the first SIM remains in the connected state based on a non-access stratum.

4 . The method according to claim 1 , further comprising: sending an acquisition request to the network side device, wherein the acquisition request is used for requesting the network side device to send the capability indication information.

5 . The method according to claim 1 , wherein the capability indication information is carried in at least one of:

system information (SI); or

radio resource control (RRC) signaling.

6 . The method according to claim 5 , wherein the capability indication information is carried in a system information block (SIB) of the SI, receiving the capability indication information sent by the network side device comprises:

reading minimum SI sent by the network side device; and

reading the SIB according to the minimum SI.

7 . The method according to claim 6 , wherein the minimum SI sent by the network side device is read in case that a second condition is satisfied, and the second condition comprises at least one of:

the terminal having a plurality of SIM slots, wherein at least two SIM slots have been inserted with SIMs;

the terminal having a plurality of SIM slots, wherein at least two SIM slots have been inserted with SIMs, and at least two SIMs are in an active state;

the terminal having a plurality of SIM slots, wherein at least two SIM slots have been inserted with SIMs, and a second SIM is required to be used for communication operation in case that the first SIM is in the connected state; or

the terminal supporting the multi-SIM connection switching.

8 . The method according to claim 6 , wherein reading the SIB according to the minimum SI comprises:

in case that the network side device broadcasting the SIB is determined according to the minimum SI, and the capability information carried by the SIB is used to indicate that the network side device supports the terminal to perform the multi-SIM connection switching, reading the SIB according to scheduling information in the minimum SI.

9 . The method according to claim 6 , wherein reading the SIB according to the minimum SI comprises:

in case that the network side device not broadcasting the SIB is determined according to the minimum SI, the SIB is stored in the network side device, and the capability information carried by the SIB is used to indicate that the network side device supports the terminal to perform the multi-SIM connection switching, sending a request to the network side device for acquiring the SIB.

10 . The method according to claim 1 , wherein a SIM used for receiving the capability indication information in the terminal is in a non-connected state, and the method further comprises:

determining a target network side device that matches a capability of the terminal to perform the multi-SIM connection switching according to support capabilities of a plurality of network side devices for the terminal to perform the multi-SIM connection switching; and

performing cell selection or cell reselection of a target cell corresponding to the target network side device.

11 . A capability indication method, performed by a network side device, comprising:

sending capability indication information to a terminal, wherein the capability indication information is used for indicating a support capability of the network side device for the terminal to perform multiple subscriber identity module (multi-SIM) connection switching; wherein a SIM used for receiving the capability indication information in the terminal is in a connected state, and the terminal is configured to:

determine whether a support capability of the network side device for the terminal to perform the multi-SIM connection switching matches a capability of the terminal to perform the multi-SIM connection switching; and

in case that the support capability of the network side device for the terminal to perform the multi-SIM connection switching matches the capability of the terminal to perform the multi-SIM connection switching, send information about the terminal to perform the multi-SIM connection switching to the network side device;

wherein the capability indication information is carried in a system information block (SIB);

wherein the network side device comprises a new radio (NR) network side device, and the SIB comprises an SIB carried in on-demand system information (SI).

12 . The method according to claim 11 , wherein the terminal is provided with a plurality of SIMs, and the plurality of SIMs at least comprise a first SIM and a second SIM, and the multi-SIM connection switching comprises switching to the second SIM for communication operation when communication operation is performed through the first SIM.

13 . The method according to claim 12 , wherein the support capability comprises whether the network side device supports the terminal to perform the multi-SIM connection switching in case that a first condition is satisfied,

wherein the first condition comprises at least one of:

the first SIM leaves a connected state, or

the first SIM remains in the connected state;

wherein the first SIM leaves the connected state comprises at least one of:

the first SIM leaves the connected state based on an access stratum, or

the first SIM leaves the connected state based on a non-access stratum;

wherein the first SIM remains in the connected state comprises at least one of:

the first SIM remains in the connected state based on an access stratum, or

the first SIM remains in the connected state based on a non-access stratum.

14 . The method according to claim 11 , wherein the capability indication information is carried in radio resource control (RRC) signaling.

15 . The method according to claim 11 , wherein sending the capability indication information to the terminal comprises:

sending the capability indication information to the terminal when a request of the terminal to acquire the capability indication information is received.

16 . A capability determination apparatus, comprising one or more processors, and the one or more processors being configured to perform:

receiving capability indication information sent by a network side device; and

determining, according to the capability indication information, a support capability of the network side device for a terminal to perform multiple subscriber identity module (multi-SIM) connection switching; wherein a SIM used for receiving the capability indication information in the terminal is in a connected state;

determining whether a support capability of a network side device connected to the SIM used for receiving the capability indication information for the terminal to perform the multi-SIM connection switching matches the capability of the terminal to perform the multi-SIM connection switching; and

in case that the support capability of the network side device connected to the SIM used for receiving the capability indication information for the terminal to perform the multi-SIM connection switching matches the capability of the terminal to perform the multi-SIM connection switching, sending information about the terminal to perform the multi-SIM connection switching to the network side device connected to the SIM used for receiving the capability indication information;

wherein the capability indication information is carried in a system information block (SIB);

wherein the network side device comprises a new radio (NR) network side device, and the SIB comprises an SIB carried in on-demand system information (SI).

17 . A capability indication apparatus, comprising one or more processors, and the one or more processors being configured to perform the capability indication method according to claim 11 .