Transmission Power Adjustment

1 . A method comprising:

receiving, by a base station, a message indicating a minimum amount of time for a wireless device to perform a power adjustment, wherein the wireless device is configured to support communication via at least two cell groups; and

based on the message, transmitting a configuration message indicating a threshold timing difference, between a first time duration of a first cell group, of the at least two cell groups, and an overlapping second time duration of a second cell group, of the at least two cell groups, for performing the power adjustment.

2 . The method of claim 1 , further comprising:

determining, based on the received message, one or more capabilities of the wireless device; and

determining, based on the one or more capabilities of the wireless device, the threshold timing difference.

3 . The method of claim 1 , wherein the configuration message is a radio resource control (RRC) message.

4 . The method of claim 1 , wherein the at least two cell groups comprise at least one of a licensed assisted access (LAA) cell, an unlicensed cell, or combinations thereof.

5 . The method of claim 1 , wherein the configuration message comprises a value of the threshold timing difference.

6 . The method of claim 1 , wherein the configuration message comprises an indication of a minimum power scaling factor processing time value.

7 . The method of claim 1 , wherein the received message comprises an indication of a time duration value for processing a power scaling factor.

8 . A base station comprising:

one or more processors; and

memory storing instructions that, when executed, configure the base station to:

receive a message indicating a minimum amount of time for a wireless device to perform a power adjustment, wherein the wireless device is configured to support communication via at least two cell groups; and

based on the received message, transmit a configuration message indicating a threshold timing difference, between a first time duration of a first cell group, of the at least two cell groups, and an overlapping second time duration of a second cell group, of the at least two cell groups, for performing the power adjustment.

9 . The base station of claim 8 , wherein the instructions, when executed, further cause the base station to:

determine, based on the received message, one or more capabilities of the wireless device; and

determine, based on the one or more capabilities of the wireless device, the threshold timing difference.

10 . The base station of claim 8 , wherein the configuration message is a radio resource control (RRC) message.

11 . The base station of claim 8 , wherein the at least two cell groups comprise at least one of a licensed assisted access (LAA) cell, an unlicensed cell, or combinations thereof.

12 . The base station of claim 8 , wherein the configuration message comprises a value of the threshold timing difference.

13 . The base station of claim 8 , wherein the configuration message comprises an indication of a minimum power scaling factor processing time value.

14 . The base station of claim 8 , wherein the received message comprises an indication of a time duration value for processing a power scaling factor.

15 . A system comprising:

a base station; and

a wireless device configured to support communication via at least two cell groups;

wherein the wireless devices is configured to transmit a message indicating a minimum amount of time for the wireless device to perform a power adjustment; and

wherein the base station is configured to, based on the received message, transmit a configuration message indicating a threshold timing difference, between a first time duration of a first cell group, of the at least two cell groups, and an overlapping second time duration of a second cell group, of the at least two cell groups, for performing the power adjustment.

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

determine, based on the received message, one or more capabilities of the wireless device; and

determine, based on the one or more capabilities of the wireless device, the threshold timing difference.

17 . The system of claim 15 , wherein the configuration message is a radio resource control (RRC) message.

18 . The system of claim 15 , wherein the at least two cell groups comprise at least one of a licensed assisted access (LAA) cell, an unlicensed cell, or combinations thereof.

19 . The system of claim 15 , wherein the configuration message comprises a value of the threshold timing difference.

20 . The system of claim 15 , wherein the configuration message comprises an indication of a minimum power scaling factor processing time value.

21 . The system of claim 15 , wherein the received message comprises an indication of a time duration value for processing a power scaling factor.