Transmit power control (TPC) for uplink transmissions during a time domain window (TDW)

1 . A method of performing wireless communication by a user equipment (UE), comprising:

receiving a configuration from a base station to configure the UE to support a power control mode and a timeline measurement related to a physical uplink shared channel (PUSCH) transmission;

transmitting a first PUSCH transmission during a time domain window (TDW) that includes a plurality of PUSCH transmissions;

receiving a set of transmit power control (TPC) commands during the TDW;

determining whether a TPC command of the set of TPC commands satisfies a time constraint based on the timeline measurement;

determining an effective TPC command for the set of TPC commands based on one or more TPC commands satisfying the time constraint;

determining an effective delay for the effective TPC command based on the timeline measurement; and

applying the effective TPC command to a second PUSCH transmission determined based on the effective delay of the effective TPC command.

2 . The method of claim 1 , wherein the set of TPC commands includes a TPC command scheduled by a downlink control information (DCI) for a group of UEs including the UE, or a TPC command scheduled by a physical downlink control channel (PDCCH) for the UE.

3 . The method of claim 1 , wherein the timeline measurement is determined based on a separation between two adjacent PUSCH transmissions within the TDW, between a physical downlink control channel (PDCCH) and a PUSCH transmission next to the PDCCH and scheduled by the PDCCH, or between a PUSCH transmission and a time instance configured by a configured grant of the PUSCH transmission.

4 . The method of claim 1 , wherein the power control mode is configured as an accumulate power control mode or an absolute power control mode.

5 . The method of claim 4 , wherein the power control mode is configured as the accumulate power control mode, the effective TPC command includes an accumulation of all TPC commands in the set of TPC commands satisfying the time constraint, the second PUSCH transmission is within a subsequent TDW after the TDW, and a first timeline measurement related to the first PUSCH transmission within the TDW and a second timeline measurement related to the second PUSCH transmission within the subsequent TDW have a same value.

6 . The method of claim 4 , wherein the power control mode is configured as the accumulate power control mode, the TPC command is scheduled by a physical downlink control channel (PDCCH) for the UE, the first PUSCH transmission is of configured grant type without uplink grant, the second PUSCH transmission is outside the TDW, a first timeline measurement related to the first PUSCH transmission within the TDW and a third timeline measurement related to a third PUSCH transmission within the TDW have a same value, a second timeline measurement related to the second PUSCH transmission is determined by the PDCCH scheduling the second PUSCH transmission, and the effective TPC command includes an accumulation of all TPC commands in the set of TPC commands satisfying the time constraint based on the second timeline measurement.

7 . The method of claim 4 , wherein the power control mode is configured as the accumulate power control mode, the TPC command is scheduled by a downlink control information (DCI) for a group of UEs including the UE, the first PUSCH transmission is of a configured grant type, the first PUSCH transmission is in a first actual TDW, the second PUSCH transmission is in a second actual TDW within the TDW, and a first timeline measurement related to the first PUSCH transmission within the first actual TDW and a second timeline measurement related to the second PUSCH transmission within the second actual TDW have a same value.

8 . The method of claim 4 , wherein the power control mode is configured as the accumulate power control mode, the first PUSCH transmission is of a dynamic grant, the effective TPC command for the set of TPC commands includes an accumulation of all TPC commands in the set of TPC commands satisfying the time constraint, the second PUSCH transmission is outside the TDW, and a first timeline measurement related to the first PUSCH transmission within the TDW and a second timeline measurement related to the second PUSCH transmission outside the TDW have a same value.

9 . The method of claim 4 , wherein the power control mode is configured as the accumulate power control mode or the absolute power control mode, the TPC command is scheduled by a downlink control information (DCI) for a group of UEs including the UE, and the effective TPC command for the set of TPC commands is determined considering the DCI scheduled TPC command.

10 . The method of claim 4 , wherein the power control mode is configured as the absolute power control mode, the effective TPC command includes a TPC command of the set of TPC commands received at a latest time and satisfying the time constraint, and the second PUSCH transmission is outside the TDW.

11 . The method of claim 4 , wherein the power control mode is configured as the accumulate power control mode or the absolute power control mode, the TPC command is scheduled by a downlink control information (DCI) for a group of UEs including the UE, and the TPC command is not applied to the first PUSCH transmission or the second PUSCH transmission.

12 . The method of claim 1 , further comprising:

reporting to the base station a capability of the UE in supporting the timeline measurement related to a PUSCH transmission.

13 . A user equipment (UE), comprising:

a transceiver configured to enable wireless communication over a wireless network with a base station; and

a processor communicatively coupled to the transceiver and configured to:

receive a configuration from the base station to configure the UE to support a power control mode and a timeline measurement related to a physical uplink shared channel (PUSCH) transmission;

transmit a first PUSCH transmission during a time domain window (TDW) that includes a plurality of PUSCH transmissions;

receive a set of transmit power control (TPC) commands during the TDW;

determine whether a TPC command of the set of TPC commands satisfies a time constraint based on the timeline measurement;

determine an effective TPC command for the set of TPC commands based on one or more TPC commands satisfying the time constraint;

determine an effective delay for the effective TPC command based on the timeline measurement; and

apply the effective TPC command to a second PUSCH transmission determined based on the effective delay of the effective TPC command.

14 . The UE of claim 13 , wherein the timeline measurement is determined based on a separation between two adjacent PUSCH transmissions within the TDW, between a physical downlink control channel (PDCCH) and a PUSCH transmission next to the PDCCH and scheduled by the PDCCH, or between a PUSCH transmission and a time instance configured by a configured grant of the PUSCH transmission.

15 . The UE of claim 13 , wherein the power control mode is configured as an accumulate power control mode or an absolute power control mode.

16 . The UE of claim 15 , wherein the power control mode is configured as the accumulate power control mode, the effective TPC command includes a new TPC command equivalent to an accumulation of all TPC commands in the set of TPC commands satisfying the time constraint, and the second PUSCH transmission is within a subsequent TDW after the TDW.

17 . The UE of claim 15 , wherein the power control mode is configured as the accumulate power control mode, the TPC command is scheduled by a downlink control information (DCI) for a group of UEs including the UE, the first PUSCH transmission is of a configured grant type, the first PUSCH transmission is in a first actual TDW, and the second PUSCH transmission is in a second actual TDW within the TDW.

18 . The UE of claim 15 , wherein the power control mode is configured as the accumulate power control mode, the first PUSCH transmission is of a dynamic grant type, the effective TPC command for the set of TPC commands includes a new TPC command equivalent to an accumulation of all TPC commands in the set of TPC commands satisfying the time constraint, and the second PUSCH transmission is outside the TDW.

19 . A non-transitory computer-readable medium storing instructions that, when executed by a processor of a user equipment (UE), cause the UE to perform operations, the operations comprising:

receiving a configuration from a base station to configure the UE to support a power control mode and a timeline measurement related to a physical uplink shared channel (PUSCH) transmission;

transmitting a first PUSCH transmission during a time domain window (TDW) that includes a plurality of PUSCH transmissions;

receiving a set of transmit power control (TPC) commands during the TDW;

determining whether a TPC command of the set of TPC commands satisfies a time constraint based on the timeline measurement;

determining an effective TPC command for the set of TPC commands based on one or more TPC commands satisfying the time constraint;

determining an effective delay for the effective TPC command based on the timeline measurement; and

applying the effective TPC command to a second PUSCH transmission determined based on the effective delay of the effective TPC command.

20 . The non-transitory computer-readable medium of claim 19 , wherein the set of TPC commands includes a TPC command scheduled by a downlink control information (DCI) for a group of UEs including the UE, or a TPC command scheduled by a physical downlink control channel (PDCCH) for the UE.