Communication resource activation method, terminal, and network side device
A communication resource activation method includes: 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, where the target communication resource includes: a secondary cell or a BWP in a dormant state.
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.