Information type multiplexing and power control

1. A method for a user equipment (UE) to determine a transmission power during a time period, the method comprising:

receiving a configuration for a first group of cells (CG 1 ) and for a second group of cells (CG 2 );

receiving a configuration for a power P CMAX,max1 for transmissions to CG 1 and for a power for transmissions to CG 2 , wherein P CMAX,max1 ≤P CMAX , P CMAX,max2 ≤P CMAX , and P CMAX is a maximum power for transmissions to CG 1 and CG 2 ;

computing a total power {circumflex over (P)} CG1 for transmissions on CG 1 as a smaller of {circumflex over (P)} CMAX,max1 and a total power obtained from power control formulas for the transmissions on CG 1 ;

computing a total power {circumflex over (P)} CG2 for transmissions on CG 2 as a smaller of (a) a smaller of {circumflex over (P)} CMAX,max2 and a total power obtained from power control formulas for the transmissions on CG 2 and (b) {circumflex over (P)} CMAX −{circumflex over (P)} CG1 , wherein {circumflex over (P)} is a linear value of P and P is a value for power; and

transmitting on CG 1 with a total power of {circumflex over (P)} CG1 and on CG 2 with a total power of {circumflex over (P)} CG2 .

2. The method of claim 1 , further comprising:

receiving a configuration for a set of J pairs of values for a power setting parameter P O_PUSCH and for a path-loss compensation factor α c of a power control formula for determining a transmission power of a physical uplink shared channel (PUSCH) in a cell c of CG 2 ;

receiving a downlink control information (DCI) format scheduling a PUSCH transmission in the cell c of CG 2 and including a field with value that provides an index j, 0≤j≤J, corresponding to P O PUSCH ,c (j) and α c (j) values in the set of J pairs of values for P O PUSCH ,c and α c ;

computing a power for the PUSCH transmission according to the P O PUSCH ,c (j) and α c (j) values; and

transmitting the PUSCH in the cell c of CG 2 .

3. The method of claim 1 , further comprising:

receiving a configuration for a set of Q path-loss values;

receiving a downlink control information (DCI) format scheduling a transmission of a physical uplink shared channel (PUSCH) in a cell c of CG 2 and including a field with value that provides an index q, 0≤q≤Q, corresponding to a q path-loss value in the set of Q path-loss values;

computing a power for the PUSCH transmission according to the q path-loss value; and

transmitting the PUSCH in the cell c of CG 2 .

4. The method of claim 1 , further comprising:

receiving a configuration for a set of L closed-loop power control processes, wherein a closed-loop power control process is a component of a power control formula;

receiving a downlink control information (DCI) format scheduling a transmission of a channel in a cell c of CG 2 and including:

a first field with value that provides an index l 1 to a closed-loop power control process from the set of L closed-loop power control processes, and

a second field with value that provides transmission power control (TPC) command field with a value providing a TPC command value;

computing a value only for the closed-loop power control process with index l 1 based on the TPC command value;

computing a transmission power for the channel according to a power control formula using the value of the closed-loop power control process with index l 1 ; and

transmitting the channel in the cell c of CG 2 .

5. The method of claim 1 , further comprising:

receiving a downlink control information (DCI) format that includes a transmission power control (TPC) command field with a value that provides a TPC command value; and

computing a value for a closed-loop power control process based on the TPC command value, wherein:

when the DCI format schedules a transmission, the value becomes applicable at a beginning of the transmission, and

when the DCI format does not schedule a transmission, the value becomes applicable after a predetermined time from a time of the DCI format reception.

6. The method of claim 1 , further comprising:

receiving a physical downlink shared channel (PDSCH) that includes a random access response (RAR) message in a cell c of CG 2 , wherein the RAR message schedules a transmission of a physical uplink shared channel (PUSCH); and

transmitting the PUSCH, wherein the PUSCH includes a power headroom report.

7. The method of claim 1 , further comprising:

receiving a system information block providing a set of configurations for parameters of a sounding reference signal (SRS) transmission;

receiving a physical downlink shared channel (PDSCH) that includes a random access response (RAR) message in a cell c of CG 2 , wherein the RAR message includes a field triggering a SRS transmission and providing a configuration from the set of configurations for the SRS transmission parameters; and

transmitting the SRS in the cell c of CG 2 .

8. A user equipment (UE), comprising:

a receiver configured to receive:

a configuration for a first group of cells (CG 1 ) and for a second group of cells (CG 2 ), and

a configuration for a power P CMAX,max1 for transmissions to CG 1 and for a power for transmissions to CG 2 , wherein P CMAX,max1 ≤P CMAX , P CMAX,max2 ≤P CMAX , and P CMAX is a maximum power for transmissions to CG 1 and CG 2 ;

a processor configured to compute during a time period:

a total power {circumflex over (P)} CG1 for transmissions on CG 1 as a smaller of {circumflex over (P)} CMAX,max1 and a total power obtained from power control formulas for the transmissions on CG 1 , and

a total power {circumflex over (P)} CG2 for transmissions on CG 2 as a smaller of (a) a smaller of {circumflex over (P)} CMAX,max2 and a total power obtained from power control formulas for the transmissions on CG 2 and (b) {circumflex over (P)} CMAX −{circumflex over (P)} CG1 , wherein {circumflex over (P)} is a linear value of P and P is a value for power; and

a transmitter configured to transmit on CG 1 with a total power of {circumflex over (P)} CG1 and on CG 2 with a total power of {circumflex over (P)} CG2 during the time period.

9. The UE of claim 8 , wherein the receiver is further configured to receive:

a configuration for a set of J pairs of values for a power setting parameter P O_PUSCH and for a path-loss compensation factor α c of a power control formula for determining a transmission power of a physical uplink shared channel (PUSCH) in a cell c of CG 2 , and

a downlink control information (DCI) format scheduling a PUSCH transmission in the cell c of CG 2 and including a field with value that provides an index j, 0≤j≤J, corresponding to P O PUSCH ,c (j) and α c (j) values in the set of J pairs of values for P O PUSCH ,c and α c ,

wherein the processor is further configured to compute a power for the PUSCH transmission according to the P O PUSCH ,c (j) and α c (j) values, and

wherein the transmitter is further configured to transmit the PUSCH in the cell c of CG 2 .

10. The UE of claim 8 , wherein the receiver is further configured to receive:

a configuration for a set of Q path-loss values; and

a downlink control information (DCI) format scheduling a transmission of a physical uplink shared channel (PUSCH) in a cell c of CG 2 and including a field with value that provides an index q, 0≤q≤Q, corresponding to a q path-loss value in the set of Q path-loss values, and

wherein the processor is further configured to compute a power for the PUSCH transmission according to the q path-loss value, and

wherein the transmitter is further configured to transmit the PUSCH in the cell c of CG 2 .

11. The UE of claim 8 , wherein the receiver is further configured to receive:

a configuration for a set of L closed-loop power control processes, wherein a closed-loop power control process is a component of a power control formula, and

a downlink control information (DCI) format scheduling a transmission of a channel in a cell c of CG 2 and including:

a first field with value that provides an index l 1 to a closed-loop power control process from the set of L closed-loop power control processes, and

a second field with value that provides transmission power control (TPC) command field with a value providing a TPC command value, and

wherein the processor is further configured to compute:

a value only for the closed-loop power control process with index l 1 based on the TPC command value, and

a transmission power for the channel according to a power control formula using the value of the closed-loop power control process with index l 1 , and

wherein the transmitter is further configured to transmit the channel in the cell c of CG 2 .

12. The UE of claim 8 , wherein the receiver is further configured to receive a downlink control information (DCI) format that includes a transmission power control (TPC) command field with a value that provides a TPC command value, and

wherein the processor is further configured to compute a value for a closed-loop power control process based on the TPC command value, wherein:

when the DCI format schedules a transmission, the value becomes applicable at a beginning of the transmission, and

when the DCI format does not schedule a transmission, the value becomes applicable after a predetermined time from a time of the DCI format reception.

13. The UE of claim 8 , wherein the receiver is further configured to receive a physical downlink shared channel (PDSCH) that includes a random access response (RAR) message in a cell c of CG 2 , wherein the RAR message schedules a transmission of a physical uplink shared channel (PUSCH), and

wherein the transmitter is further configured to transmit the PUSCH, wherein the PUSCH includes a power headroom report.

14. The UE of claim 8 , wherein the receiver is further configured to receive:

a system information block providing a set of configurations for parameters of a sounding reference signal (SRS) transmission, and

a physical downlink shared channel (PDSCH) that includes a random access response (RAR) message in a cell c of CG 2 , wherein the RAR message includes a field triggering a SRS transmission and providing a configuration from the set of configurations for the SRS transmission parameters, and

wherein the transmitter is further configured to transmit the SRS in the cell c of CG 2 .

15. A base station (BS), comprising:

a transmitter configured to transmit:

a configuration for a first group of cells (CG 1 ) and for a second group of cells (CG 2 ), and

a configuration for a power P CMAX,max1 for transmissions to CG 1 and for a power for transmissions to CG 2 , wherein P CMAX,max1 ≤P CMAX , P CMAX,max2 ≤P CMAX , and P CMAX is a maximum power for transmissions to CG 1 and CG 2 , and

a receiver configured to receive, from a user equipment (UE) during a time period, a first number of signals or channels transmitted on CG 1 with a total power {circumflex over (P)} CG1 and a second number of signals or channels transmitted on CG 2 with a total power {circumflex over (P)} CG2 , wherein:

the total power {circumflex over (P)} CG1 for transmissions on CG 1 as a smaller of {circumflex over (P)} CMAX,max1 and a total power obtained from power control formulas for the transmissions on CG 1 , and

the total power {circumflex over (P)} CG2 for transmissions on CG 2 as a smaller of (a) a smaller of {circumflex over (P)} CMAX,max2 and a total power obtained from power control formulas for the transmissions on CG 2 and (b) {circumflex over (P)} CMAX −{circumflex over (P)} CG1 , wherein {circumflex over (P)} is a linear value of P and P is a value for power.

16. The base station of claim 15 , wherein the transmitter is further configured to transmit:

a configuration for a set of Q path-loss values, and

a downlink control information (DCI) format scheduling a transmission of a physical uplink shared channel (PUSCH) in a cell c of CG 2 and including a field with value that provides an index q, 0≤q≤Q, corresponding to a q path-loss value in the set of Q path-loss values, and

wherein the receiver is further configured to receive the PUSCH in the cell c of CG 2 .

17. The base station of claim 15 , wherein the transmitter is further configured to transmit a downlink control information (DCI) format that includes a transmission power control (TPC) command field with a value that provides a TPC command value, wherein:

when the DCI format schedules a transmission, the value becomes applicable at a beginning of the transmission, and

when the DCI format does not schedule a transmission, the value becomes applicable after a predetermined time from a time of the DCI format reception.

18. The base station of claim 15 , wherein the transmitter is further configured to transmit a physical downlink shared channel (PDSCH) that includes a random access response (RAR) message in a cell c of CG 2 , wherein the RAR message schedules a transmission of a physical uplink shared channel (PUSCH), and

wherein the receiver is further configured to receive the PUSCH, wherein the PUSCH includes a power headroom report.

19. The base station of claim 15 , wherein the transmitter is further configured to transmit a physical downlink shared channel (PDSCH) that includes a random access response (RAR) message in response to a reception of a physical random access channel (PRACH) in a cell c of CG 2 , wherein the RAR message schedules a transmission of a physical uplink shared channel (PUSCH) in the cell c of CG 2 , and

wherein the receiver is further configured to receive the PUSCH in the cell c of CG 2 , wherein the PUSCH includes an indication for a transmission power of the PRACH.

20. The base station of claim 15 , wherein the transmitter is further configured to transmit:

a system information block providing a set of configurations for parameters of a sounding reference signal (SRS) transmission, and

a physical downlink shared channel (PDSCH) that includes a random access response (RAR) message in a cell c of CG 2 , wherein the RAR message includes a field triggering a SRS transmission and providing a configuration from the set of configurations for the SRS transmission parameters, and

wherein the receiver is further configured to transmit the SRS in the cell c of CG 2 .