Power headroom report for a wireless device and a base station

1. A method for use in a wireless device, the method comprising:

receiving, by the wireless device from a base station, at least one radio resource configuration (RRC) message comprising:

a power headroom parameter indicating whether an extended power headroom report format is setup,

wherein the extended power headroom report format is configured as setup based on a secondary cell of a plurality of cells being configured with a physical uplink control channel (PUCCH); and

transmitting, based on both the extended power headroom report format being setup and the secondary cell being activated, a media-access-control (MAC) control element, formatted according to the extended power headroom report format, comprising:

a first Type 2 power headroom field corresponding to a primary cell of the plurality of cells; and

a second Type 2 power headroom field corresponding to the secondary cell of the plurality of cells configured with the PUCCH.

2. The method of claim 1 , further comprising:

receiving, via the secondary cell and based on the second Type 2 power headroom field, at least one message.

3. The method of claim 1 , wherein the second Type 2 power headroom field corresponding to the secondary cell is based on a calculated power of the PUCCH of the secondary cell and a calculated power of a physical uplink shared channel (PUSCH) of the secondary cell.

4. The method of claim 1 , further comprising transmitting a subheader comprising a logical channel identifier (LCID) associated with the MAC control element.

5. The method of claim 1 , wherein the power headroom parameter indicates that the extended power headroom report format is setup based on at least one of:

at least one PUCCH secondary cell being configured, wherein the secondary cell is a PUCCH secondary cell; or

a serving cell, of the plurality of cells, having an uplink configured with a serving cell index higher than a first threshold,

wherein a network configures the extended power headroom report format as setup.

6. The method of claim 1 , further comprising:

determining, based on the power headroom parameter, to use the extended power headroom report format for a MAC packet comprising the MAC control element.

7. The method of claim 1 , wherein the at least one RRC message comprises a prohibit power headroom report timer information element (IE) and a periodic power headroom report timer IE.

8. The method of claim 1 , wherein the extended power headroom report format is different from a second extended power headroom report format, and wherein the second extended power headroom report format is used based on secondary cells being not configured with a PUCCH.

9. A wireless device comprising:

one or more processors; and

memory storing instructions that, when executed by the one or more processors, cause the wireless device to:

receive, from a base station, at least one radio resource configuration (RRC) message comprising:

a power headroom parameter indicating whether an extended power headroom report format is setup,

wherein the extended power headroom report format is configured as setup based on a secondary cell of a plurality of cells being configured with a physical uplink control channel (PUCCH); and

transmit, based on both the extended power headroom report format being setup and the secondary cell being activated, a media-access-control (MAC) control element, formatted according to the extended power headroom report format, comprising:

a first Type 2 power headroom field corresponding to a primary cell of the plurality of cells; and

a second Type 2 power headroom field corresponding to the secondary cell of the plurality of cells configured with the PUCCH.

10. The wireless device of claim 9 , wherein the instructions, when executed by the one or more processors, further cause the wireless device to

receive, via the secondary cell and based on the second Type 2 power headroom field, at least one message.

11. The wireless device of claim 9 , wherein the second Type 2 power headroom field corresponding to the secondary cell is based on a calculated power of the PUCCH of the secondary cell and a calculated power of a physical uplink shared channel (PUSCH) of the secondary cell.

12. The wireless device of claim 9 , wherein the instructions, when executed by the one or more processors, cause the wireless device to transmit a subheader comprising a logical channel identifier (LCID) associated with the MAC control element.

13. The wireless device of claim 9 , wherein the power headroom parameter indicates that the extended power headroom report format is setup based on at least one of:

at least one PUCCH secondary cell being configured, wherein the secondary cell is a PUCCH secondary cell; or

a serving cell, of the plurality of cells, having an uplink configured with a serving cell index higher than a first threshold,

wherein a network configures the extended power headroom report format as setup.

14. The wireless device of claim 9 , wherein the instructions, when executed by the one or more processors, further cause the wireless device to:

determine, based on the power headroom parameter, to use the extended power headroom report format for a MAC packet comprising the MAC control element.

15. The wireless device of claim 9 , wherein the at least one RRC message comprises a prohibit power headroom report timer information element (IE) and a periodic power headroom report timer IE.

16. The wireless device of claim 9 , wherein the extended power headroom report format is different from a second extended power headroom report format, and wherein the second extended power headroom report format is used based on secondary cells being not configured with a PUCCH.

17. A method for use in a base station, the method comprising:

transmitting, by the base station to a wireless device, at least one radio resource configuration (RRC) message comprising:

a power headroom parameter indicating whether an extended power headroom report format is setup,

wherein the extended power headroom report format is configured as setup based on a secondary cell of a plurality of cells being configured with a physical uplink control channel (PUCCH); and

receiving, based on both the extended power headroom report format being setup and the secondary cell being activated, a media-access-control (MAC) control element, formatted according to the extended power headroom report format, comprising:

a first Type 2 power headroom field corresponding to a primary cell of the plurality of cells; and

a second Type 2 power headroom field corresponding to the secondary cell of the plurality of cells configured with the PUCCH.

18. The method of claim 17 , further comprising:

transmitting, via the secondary cell and based on the second Type 2 power headroom field, at least one message.

19. The method of claim 17 , wherein the second Type 2 power headroom field corresponding to the secondary cell is based on a calculated power of the PUCCH of the secondary cell and a calculated power of a physical uplink shared channel (PUSCH) of the secondary cell.

20. The method of claim 17 , further comprising receiving a subheader comprising a logical channel identifier (LCID) associated with the MAC control element.

21. The method of claim 17 , wherein the power headroom parameter indicates that the extended power headroom report format is setup based on at least one of:

at least one PUCCH secondary cell being configured, wherein the secondary cell is a PUCCH secondary cell; or

a serving cell, of the plurality of cells, having an uplink configured with a serving cell index higher than a first threshold,

wherein a network configures the extended power headroom report format as setup.

22. The method of claim 17 , wherein the at least one RRC message comprises a prohibit power headroom report timer information element (IE) and a periodic power headroom report timer IE.

23. The method of claim 17 , wherein the extended power headroom report format is different from a second extended power headroom report format, and wherein the second extended power headroom report format is used based on secondary cells being not configured with a PUCCH.

24. A base station comprising:

one or more processors; and

memory storing instructions that, when executed by the one or more processors, cause the base station to:

transmit, to a wireless device, at least one radio resource configuration (RRC) message comprising:

a power headroom parameter indicating whether an extended power headroom report format is setup,

wherein the extended power headroom report format is configured as setup based on a secondary cell of a plurality of cells being configured with a physical uplink control channel (PUCCH); and

receive, based on both the extended power headroom report format being setup and the secondary cell being activated, a media-access-control (MAC) control element, formatted according to the extended power headroom report format, comprising:

a first Type 2 power headroom field corresponding to a primary cell of the plurality of cells; and

a second Type 2 power headroom field corresponding to the secondary cell of the plurality of cells configured with the PUCCH.

25. The base station of claim 24 , wherein the instructions, when executed by the one or more processors, further cause the base station to

transmit, via the secondary cell and based on the second Type 2 power headroom field, at least one message.

26. The base station of claim 24 , wherein the second Type 2 power headroom field corresponding to the secondary cell is based on a calculated power of the PUCCH of the secondary cell and a calculated power of a physical uplink shared channel (PUSCH) of the secondary cell.

27. The base station of claim 24 , wherein the instructions, when executed by the one or more processors, further cause the base station to receive a subheader comprising a logical channel identifier (LCID) associated with the MAC control element.

28. The base station of claim 24 , wherein the power headroom parameter indicates that the extended power headroom report format is setup based on at least one of:

at least one PUCCH secondary cell being configured, wherein the secondary cell is a PUCCH secondary cell; or

a serving cell, of the plurality of cells, having an uplink configured with a serving cell index higher than a first threshold,

wherein a network configures the extended power headroom report format as setup.

29. The base station of claim 24 , wherein the at least one RRC message comprises a prohibit power headroom report timer information element (IE) and a periodic power headroom report timer IE.

30. The base station of claim 24 , wherein the extended power headroom report format is different from a second extended power headroom report format, and wherein the second extended power headroom report format is used based on secondary cells being not configured with a PUCCH.

31. A system comprising:

a base station; and

a wireless device,

wherein the base station is configured to:

transmit, to the wireless device, at least one radio resource configuration (RRC) message comprising:

a power headroom parameter indicating whether an extended power headroom report format is setup,

wherein the extended power headroom report format is configured as setup based on a secondary cell of a plurality of cells being configured with a physical uplink control channel (PUCCH); and

wherein the wireless device is configured to:

receive, from the base station, the at least one RRC message; and

transmit, based on both the extended power headroom report format being setup and the secondary cell being activated, a media-access-control (MAC) control element, formatted according to the extended power headroom report format, comprising:

a first Type 2 power headroom field corresponding to a primary cell of the plurality of cells; and

a second Type 2 power headroom field corresponding to the secondary cell of the plurality of cells configured with the PUCCH.

32. The system of claim 31 , wherein the base station is further configured to:

transmit, via the secondary cell and based on the second Type 2 power headroom field, at least one message.

33. The system of claim 31 , wherein the second Type 2 power headroom field corresponding to the secondary cell is based on a calculated power of the PUCCH of the secondary cell and a calculated power of a physical uplink shared channel (PUSCH) of the secondary cell.

34. The system of claim 31 , wherein the wireless device is further configured to transmit a subheader comprising a logical channel identifier (LCID) associated with the MAC control element.

35. The system of claim 31 , wherein the power headroom parameter indicates that the extended power headroom report format is setup based on at least one of:

at least one PUCCH secondary cell being configured, wherein the secondary cell is a PUCCH secondary cell; or

a serving cell, of the plurality of cells, having an uplink configured with a serving cell index higher than a first threshold,

wherein a network configures the extended power headroom report format as setup.

36. The system of claim 31 , wherein the wireless device is further configured to:

determine, based on the power headroom parameter, to use the extended power headroom report format for a MAC packet comprising the MAC control element.

37. The system of claim 31 , wherein the at least one RRC message comprises a prohibit power headroom report timer information element (IE) and a periodic power headroom report timer IE.

38. The system of claim 31 , wherein the extended power headroom report format is different from a second extended power headroom report format, and wherein the second extended power headroom report format is used based on secondary cells being not configured with a PUCCH.

39. A non-transitory computer-readable medium storing instructions that, when executed, cause:

receiving, by a wireless device from a base station, at least one radio resource configuration (RRC) message comprising:

a power headroom parameter indicating whether an extended power headroom report format is setup,

wherein the extended power headroom report format is configured as setup based on a secondary cell of a plurality of cells being configured with a physical uplink control channel (PUCCH); and

transmitting, based on both the extended power headroom report format being setup and the secondary cell being activated, a media-access-control (MAC) control element, formatted according to the extended power headroom report format, comprising:

a first Type 2 power headroom field corresponding to a primary cell of the plurality of cells; and

a second Type 2 power headroom field corresponding to the secondary cell of the plurality of cells configured with the PUCCH.

40. The non-transitory computer-readable medium of claim 39 , wherein the instructions, when executed, further cause:

receiving, via the secondary cell and based on the second Type 2 power headroom field, at least one message.

41. The non-transitory computer-readable medium of claim 39 , wherein the second Type 2 power headroom field corresponding to the secondary cell is based on a calculated power of the PUCCH of the secondary cell and a calculated power of a physical uplink shared channel (PUSCH) of the secondary cell.

42. The non-transitory computer-readable medium of claim 39 , wherein the power headroom parameter indicates that the extended power headroom report format is setup based on at least one of:

at least one PUCCH secondary cell being configured, wherein the secondary cell is a PUCCH secondary cell; or

a serving cell, of the plurality of cells, having an uplink configured with a serving cell index higher than a first threshold,

wherein a network configures the extended power headroom report format as setup.

43. A non-transitory computer-readable medium storing instructions that, when executed, cause:

transmitting, by a base station to a wireless device, at least one radio resource configuration (RRC) message comprising:

a power headroom parameter indicating whether an extended power headroom report format is setup,

wherein the extended power headroom report format is configured as setup based on a secondary cell of a plurality of cells being configured with a physical uplink control channel (PUCCH); and

receiving, based on both the extended power headroom report format being setup and the secondary cell being activated, a media-access-control (MAC) control element, formatted according to the extended power headroom report format, comprising:

a first Type 2 power headroom field corresponding to a primary cell of the plurality of cells; and

a second Type 2 power headroom field corresponding to the secondary cell of the plurality of cells configured with the PUCCH.

44. The non-transitory computer-readable medium of claim 43 , wherein the instructions, when executed, further cause:

transmitting, via the secondary cell and based on the second Type 2 power headroom field, at least one message.

45. The non-transitory computer-readable medium of claim 43 , wherein the second Type 2 power headroom field corresponding to the secondary cell is based on a calculated power of the PUCCH of the secondary cell and a calculated power of a physical uplink shared channel (PUSCH) of the secondary cell.

46. The non-transitory computer-readable medium of claim 43 , wherein the power headroom parameter indicates that the extended power headroom report format is setup based on at least one of:

at least one PUCCH secondary cell being configured, wherein the secondary cell is a PUCCH secondary cell; or

a serving cell, of the plurality of cells, having an uplink configured with a serving cell index higher than a first threshold,

wherein a network configures the extended power headroom report format as setup.