Open-loop power control method and apparatus for PUSCH, and storage medium

1 . A method for controlling an open-loop power of a physical uplink shared channel (PUSCH), performed by a network device, comprising:

configuring and determining an open-loop power control (OLPC) parameter required by a terminal, wherein the OLPC parameter comprises one or more power boosting parameters corresponding to one or more transmission and reception points (TRPs); and

sending first indication information, wherein the first indication information is configured to indicate power boosting parameters used when the PUSCH is sent based on a multi-TRP cooperation, and the power boosting parameters correspond to different cooperative TRPs to which the PUSCH is sent;

wherein sending the first indication information comprises:

sending the first indication information through downlink control information (DCI);

wherein, when sounding reference signal resource indication (SRI) information indicating transmissions to different TRPs does not exist in the DCI, for the different cooperative TRPs to which the PUSCH is sent, a power boosting parameter for sending the PUSCH in a TRP transmission direction exists in an association manner in a set of open-loop power parameters indicated by a first indication field or a second indication field.

2 . The method of claim 1 , wherein determining the OLPC parameter comprises:

determining the OLPC parameter based on radio resource control (RRC) configuration information, wherein the RRC configuration information is used to configure power boosting parameters respectively for the PUSCH sent to different TRPs.

3 . The method of claim 2 , wherein the RRC configuration information comprises at least one message and is configured to support a PUSCH power boosting control parameter configuration extended to multiple TRPs, and the at least one message comprises one or more of:

a plurality of sets of PUSCH power boosting parameter configurations, wherein different sets of PUSCH power boosting parameter configurations in the plurality of sets of PUSCH power boosting parameter configurations correspond to different sounding reference signal (SRS) resource sets;

an SRS resource indication (SRI) resource set identification, wherein a corresponding relationship between sets of PUSCH power boosting parameter configurations and SRS resource sets is established based on the SRI resource set identification; and

a plurality of groups of power parameter configurations, wherein the plurality of groups of power parameter configurations are comprised in a set of PUSCH power boosting parameter configurations.

4 . The method of claim 1 , wherein the DCI comprises an OLPC power code point, and the OLPC power code point corresponds to one or more TRPs associated with sending the PUSCH and is associated with a PUSCH power set corresponding to the one or more TRPs.

5 . The method of claim 1 , wherein sending the first indication information comprises:

sending the first indication information based on extended transmit power control (TPC) indication information.

6 . The method of claim 5 , wherein the extended TPC indication information is configured to indicate one or more power adjustment values corresponding respectively to the one or more TRPs.

7 . The method of claim 6 , further comprising:

sending second indication information, wherein the second indication information is configured to indicate whether accumulation calculation is applied to the one or more power adjustment values indicated by the extended TPC indication information.

8 . A method for controlling an open-loop power of a physical uplink shared channel (PUSCH), performed by a terminal, comprising:

receiving first indication information, wherein the terminal is configured with an open-loop power control (OLPC) parameter and the OLPC parameter comprises one or more power boosting parameters corresponding to one or more transmission and reception points (TRPs), wherein the first indication information is configured to indicate power boosting parameters used when the PUSCH is sent based on a multi-TRP cooperation, and the power boosting parameters used when the PUSCH is sent correspond to different cooperative TRPs to which the PUSCH is sent; and

determining, based on the first indication information, the power boosting parameters used when the PUSCH is sent based on the multi-TRP cooperation;

wherein receiving the first indication information comprises:

receiving the first indication information through downlink control information (DCI);

when sounding reference signal resource indication (SRI) information indicating transmissions to different TRPs does not exist in the DCI, for the different cooperative TRPs to which the PUSCH is sent, a power boosting parameter for sending the PUSCH in a TRP transmission direction exists in an association manner in a set of open-loop power parameters indicated by a first indication field or a second indication field.

9 . The method of claim 8 , wherein the OLPC parameter is determined based on radio resource control (RRC) configuration information; and the RRC configuration information is used to configure power boosting parameters respectively for the PUSCH sent to different TRPs.

10 . The method of claim 9 , wherein the RRC configuration information comprises at least one message and is configured to support a PUSCH power boosting control parameter configuration extended to multiple TRPs, and the at least one message comprises:

a plurality of sets of PUSCH power boosting parameter configurations, wherein different sets of PUSCH power boosting parameter configurations in the plurality of sets of PUSCH power boosting parameter configurations correspond to different sounding reference signal (SRS) resource sets;

an SRS resource indication (SRI) resource set identification, wherein a corresponding relationship between sets of PUSCH power boosting parameter configurations and SRS resource sets is established based on the SRI resource set identification; and

a plurality of groups of power parameter configurations, wherein the plurality of groups of power parameter configurations are comprised in a set of PUSCH power boosting parameter configurations.

11 . The method of claim 8 , wherein the DCI comprises an OLPC power code point, and the OLPC power code point corresponds to one or more TRPs associated with sending the PUSCH and is associated with a PUSCH power set corresponding to the one or more TRPs.

12 . The method of claim 8 , wherein receiving the first indication information comprises:

receiving the first indication information based on extended transmit power control (TPC) indication information.

13 . The method of claim 12 , wherein the extended TPC indication information is configured to indicate one or more power adjustment values corresponding respectively to the one or more TRPs.

14 . The method of claim 13 , further comprising:

receiving second indication information, wherein the second indication information is configured to indicate whether accumulation calculation is applied to the one or more power adjustment values indicated by the extended TPC indication information.

15 . A network device, comprising:

a processor; and

a memory for storing instructions executable by the processor,

wherein the processor is configured to: execute a method for controlling an open-loop power of a PUSCH comprising:

configuring and determining an open-loop power control (OLPC) parameter required by a terminal, wherein the OLPC parameter comprises one or more power boosting parameters corresponding to one or more transmission and reception points (TRPs); and

sending first indication information, wherein the first indication information is configured to indicate power boosting parameters used when the PUSCH is sent based on a multi-TRP cooperation, and the power boosting parameters used when the PUSCH is sent correspond to different cooperative TRPs to which the PUSCH is sent;

wherein sending the first indication information comprises:

sending the first indication information through downlink control information (DCI);

wherein, when sounding reference signal resource indication (SRI) information indicating transmissions to different TRPs does not exist in the DCI, for the different cooperative TRPs to which the PUSCH is sent, a power boosting parameter for sending the PUSCH in a TRP transmission direction exists in an association manner in a set of open-loop power parameters indicated by a first indication field or a second indication field.

16 . A terminal, comprising:

a processor; and

a memory for storing instructions executable by the processor,

wherein the processor is configured to: execute the method for controlling an open-loop power of a PUSCH according to claim 8 .