Communication resource activation method, terminal, and network side device

1 . A communication resource activation method, comprising:

activating, by a network side device, a target communication resource of a terminal, and performing uplink beam scanning on the target communication resource while activating the target communication resource, wherein the target communication resource comprises a bandwidth part (BWP) in a dormant state;

wherein activating, by the network side device, the BWP of the terminal in the dormant state comprises:

activating, by the network side device, the BWP in the dormant state through downlink control information (DCI) signaling; wherein the DCI signaling is further used for triggering the terminal to send a target sounding reference signal (SRS) on the BWP;

wherein the DCI signaling carries at least one of:

indication information indicating whether the target SRS is repeated;

a time offset value for the terminal to send the target SRS;

indication information indicating a time window length, and instructing the terminal to send the target SRS within a time window corresponding to the time window length; or

indication information indicating a transmit power of the target SRS.

2 . The method according to claim 1 , wherein the target communication resource further comprises a secondary cell;

wherein activating, by the network side device, the secondary cell of the terminal comprises:

activating, by the network side device, the secondary cell through medium access control control element (MAC CE) signaling; or

activating, by the network side device, the secondary cell through radio resource control (RRC) signaling, wherein the RRC signaling is used for configuring the secondary cell;

wherein the MAC CE signaling is further used for triggering the terminal to send the target SRS on the secondary cell.

3 . The method according to claim 2 , wherein the MAC CE signaling triggers one target state in N candidate states while activating the secondary cell, wherein the N candidate states are N states pre-configured for the target SRS, each of the candidate states corresponds to at least one configuration parameter of the target SRS, and N is an integer greater than or equal to 1.

4 . The method according to claim 2 , wherein the MAC CE signaling carries at least one of:

a time offset value for the terminal to send the target SRS;

indication information indicating whether the target SRS is repeated;

indication information indicating a time window length, and instructing the terminal to send the target SRS within a time window corresponding to the time window length, wherein the target SRS is a periodic SRS or a semi-persistent SRS; or

indication information indicating a transmit power offset of the target SRS.

5 . The method according to claim 2 , wherein after the activating, by the network side device, the secondary cell through MAC CE signaling, the method further comprises:

triggering, by the network side device, the terminal to send the target SRS on the secondary cell through DCI signaling, wherein the target SRS is an aperiodic SRS or a semi-persistent SRS.

6 . The method according to claim 5 , wherein the triggering, by the network side device, the terminal to send the target SRS on the secondary cell through DCI signaling comprises:

sending, by the network side device, the DCI signaling before receiving acknowledgment signaling corresponding to the MAC CE signaling; or,

sending, by the network side device, the DCI signaling before a predetermined delay after receiving the acknowledgment signaling is reached.

7 . The method according to claim 1 , wherein the target SRS is an aperiodic SRS or a semi-persistent SRS.

8 . A network side device, comprising a processor, a memory, and a program or an instruction stored in the memory and executable by the processor, the program or the instruction, when executed by the processor, causing the network side device to implement:

activating a target communication resource of a terminal, and performing uplink beam scanning on the target communication resource while activating the target communication resource, wherein the target communication resource comprises a BWP in a dormant state;

wherein the program or the instruction, when executed by the network side device, causes the network side device to perform:

activating the BWP in the dormant state through downlink control information (DCI) signaling; wherein the DCI signaling is further used for triggering the terminal to send a target sounding reference signal (SRS} on the BWP;

wherein the DCI signaling carries at least one of:

indication information indicating whether the target SRS is repeated;

a time offset value for the terminal to send the target SRS;

indication information indicating a time window length, and instructing the terminal to send the target SRS within a time window corresponding to the time window length; or

indication information indicating a transmit power of the target SRS.

9 . The network side device according to claim 8 , wherein the target communication resource further comprises a secondary cell;

wherein the program or the instruction, when executed by the network side device, causes the network side device further to perform:

activating the secondary cell through medium access control control element (MAC CE) signaling; wherein the MAC CE signaling is further used for triggering the terminal to send a target sounding reference signal (SRS) on the secondary cell.

10 . The network side device according to claim 9 , wherein the MAC CE signaling triggers one target state in N candidate states while activating the secondary cell, wherein the N candidate states are N states pre-configured for the target SRS, each of the candidate states corresponds to at least one configuration parameter of the target SRS, and N is an integer greater than or equal to 1.

11 . The network side device according to claim 9 , wherein the MAC CE signaling carries at least one of:

a time offset value for the terminal to send the target SRS;

indication information indicating whether the target SRS is repeated;

indication information indicating a time window length, and instructing the terminal to send the target SRS within a time window corresponding to the time window length, wherein the target SRS is a periodic SRS or a semi-persistent SRS; or

indication information indicating a transmit power offset of the target SRS.

12 . The network side device according to claim 9 , wherein the program or the instruction, when executed by the network side device, causes the network side device to perform: triggering the terminal to send a target SRS on the secondary cell through DCI signaling, wherein the target SRS is an aperiodic SRS or a semi-persistent SRS.

13 . The network side device according to claim 12 , wherein the program or the instruction, when executed by the network side device, causes the network side device to perform:

sending the DCI signaling before receiving acknowledgment signaling corresponding to the MAC CE signaling; or, sending the DCI signaling before a predetermined delay after receiving the acknowledgment signaling is reached.