Power headroom report for a wireless device and a base station
A wireless device receives message(s) comprising configuration parameters of a plurality of cells for communication with a base station. The message(s) comprise a first information element (IE) indicating a new extended power headroom report is configured. The first IE is configured as setup when: a secondary cell is configured with a physical uplink control channel (PUCCH) and a second IE indicates that a power headroom report is configured as setup. The wireless device transmits a media-access-control (MAC) packet comprising one or more power headroom reports.
1. A method for use in a wireless device configured to communicate with a base station via a plurality of cells, the method comprising:
receiving, by the wireless device from the base station, at least one radio resource configuration (RRC) message comprising:
a first power headroom parameter indicating whether an enhanced extended power headroom report format is setup; and
a second power headroom parameter indicating whether power headroom reporting is setup,
wherein the first power headroom parameter indicates that the enhanced extended power headroom report format is setup based on:
a secondary cell of the plurality of cells being configured with a physical uplink control channel (PUCCH); and
the second power headroom parameter indicating that power headroom reporting is setup for the plurality of cells; and
transmitting, based on the first power headroom parameter indicating that the enhanced extended power headroom report format is setup, a media-access-control (MAC) packet, formatted according to the enhanced extended power headroom report format, comprising:
a first Type 2 power headroom field of a primary cell in the plurality of cells; and
a second Type 2 power headroom field of the secondary cell based on the secondary cell being activated.
2. The method of claim 1 , wherein the MAC packet further comprises a subheader comprising a logical channel identifier (LCID).
3. The method of claim 1 , wherein the first power headroom parameter indicates that the enhanced extended power headroom report format is setup based on:
a serving cell, of the plurality of cells, having an uplink configured with a serving cell index higher than a first threshold.
4. The method of claim 1 , further comprising:
determining, based on the first power headroom parameter, to use the enhanced extended power headroom report format for the MAC packet.
5. The method of claim 1 , wherein the at least one RRC message comprises a prohibit power headroom report timer IE, and a periodic power headroom report timer IE.
6. The method of claim 1 , wherein the MAC packet comprises a MAC control element (CE) formatted according to the enhanced extended power headroom report format.
7. The method of claim 6 , wherein the MAC CE comprises:
the first Type 2 power headroom field of the primary cell; and
the second Type 2 power headroom field of the secondary cell.
8. A wireless device configured to communicate with a base station via a plurality of cells, the 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 the base station, at least one radio resource configuration (RRC) message comprising:
a first power headroom parameter indicating whether an enhanced extended power headroom report format is setup; and
a second power headroom parameter indicating whether power headroom reporting is setup,
wherein the first power headroom parameter indicates that the enhanced extended power headroom report format is setup based on:
a secondary cell of the plurality of cells being configured with a physical uplink control channel (PUCCH); and
the second power headroom parameter indicating that power headroom reporting is setup for the plurality of cells; and
transmit, based on the first power headroom parameter indicating that the enhanced extended power headroom report format is setup, a media-access-control (MAC) packet, formatted according to the enhanced extended power headroom report format, comprising:
a first Type 2 power headroom field of a primary cell in the plurality of cells; and
a second Type 2 power headroom field of the secondary cell based on the secondary cell being activated.
9. The wireless device of claim 8 , wherein the MAC packet further comprises a subheader comprising a logical channel identifier (LCID).
10. The wireless device of claim 8 , wherein the first power headroom parameter indicates that the enhanced extended power headroom report format is setup based on:
a serving cell, of the plurality of cells, having an uplink configured with a serving cell index higher than a first threshold.
11. The wireless device of claim 8 , wherein the instructions, when executed by the one or more processors, further cause the wireless device to:
determine, based on the first power headroom parameter, to use the enhanced extended power headroom report format for the MAC packet.
12. The wireless device of claim 8 , wherein the at least one RRC message comprises a prohibit power headroom report timer IE, and a periodic power headroom report timer IE.
13. The wireless device of claim 8 , wherein the MAC packet comprises a MAC control element (CE) formatted according to the enhanced extended power headroom report format.
14. The wireless device of claim 13 , wherein the MAC CE comprises:
the first Type 2 power headroom field of the primary cell; and
the second Type 2 power headroom field of the secondary cell.
15. A method for use in a base station configured to communicate with a wireless device via a plurality of cells, the method comprising:
transmitting, by the base station to the wireless device, at least one radio resource configuration (RRC) message comprising:
a first power headroom parameter indicating whether an enhanced extended power headroom report format is setup; and
a second power headroom parameter indicating whether power headroom reporting is setup,
wherein the first power headroom parameter indicates that the enhanced extended power headroom report format is setup based on:
a secondary cell of the plurality of cells being configured with a physical uplink control channel (PUCCH); and
the second power headroom parameter indicating that power headroom reporting is setup for the plurality of cells; and
receiving, based on the first power headroom parameter indicating that the enhanced extended power headroom report format is setup, a media-access-control (MAC) packet, formatted according to the enhanced extended power headroom report format, comprising:
a first Type 2 power headroom field of a primary cell in the plurality of cells; and
a second Type 2 power headroom field of the secondary cell based on the secondary cell being activated.
16. The method of claim 15 , wherein the MAC packet further comprises a subheader comprising a logical channel identifier (LCID).
17. The method of claim 15 , wherein the first power headroom parameter indicates that the enhanced extended power headroom report format is setup based on:
a serving cell, of the plurality of cells, having an uplink configured with a serving cell index higher than a first threshold.
18. The method of claim 15 , wherein the at least one RRC message comprises a prohibit power headroom report timer IE, and a periodic power headroom report timer IE.
19. The method of claim 15 , wherein the MAC packet comprises a MAC control element (CE) formatted according to the enhanced extended power headroom report format.
20. The method of claim 19 , wherein the MAC CE comprises:
the first Type 2 power headroom field of the primary cell; and
the second Type 2 power headroom field of the secondary cell.
21. A base station configured to communicate with a wireless device via a plurality of cells, the 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 the wireless device, at least one radio resource configuration (RRC) message comprising:
a first power headroom parameter indicating whether an enhanced extended power headroom report format is setup; and
a second power headroom parameter indicating whether power headroom reporting is setup,
wherein the first power headroom parameter indicates that the enhanced extended power headroom report format is setup based on:
a secondary cell of the plurality of cells being configured with a physical uplink control channel (PUCCH); and
the second power headroom parameter indicating that power headroom reporting is setup for the plurality of cells; and
receive, based on the first power headroom parameter indicating that the enhanced extended power headroom report format is setup, a media-access-control (MAC) packet, formatted according to the enhanced extended power headroom report format, comprising:
a first Type 2 power headroom field of a primary cell in the plurality of cells; and
a second Type 2 power headroom field of the secondary cell based on the secondary cell being activated.
22. The base station of claim 21 , wherein the MAC packet further comprises a subheader comprising a logical channel identifier (LCID).
23. The base station of claim 21 , wherein the first power headroom parameter indicates that the enhanced extended power headroom report format is setup based on:
a serving cell, of the plurality of cells, having an uplink configured with a serving cell index higher than a first threshold.
24. The base station of claim 21 , wherein the at least one RRC message comprises a prohibit power headroom report timer IE, and a periodic power headroom report timer IE.
25. The base station of claim 21 , wherein the MAC packet comprises a MAC control element (CE) formatted according to the enhanced extended power headroom report format.
26. The base station of claim 25 , wherein the MAC CE comprises:
the first Type 2 power headroom field of the primary cell; and
the second Type 2 power headroom field of the secondary cell.
27. A system comprising:
a wireless device; and
a base station configured to communicate with the wireless device via a plurality of cells,
wherein the wireless device is configured to:
receive, from the base station, at least one radio resource configuration (RRC) message comprising:
a first power headroom parameter indicating whether an enhanced extended power headroom report format is setup; and
a second power headroom parameter indicating whether power headroom reporting is setup,
wherein the first power headroom parameter indicates that the enhanced extended power headroom report format is setup based on:
a secondary cell of the plurality of cells being configured with a physical uplink control channel (PUCCH); and
the second power headroom parameter indicating that power headroom reporting is setup for the plurality of cells; and
transmit, based on the first power headroom parameter indicating that the enhanced extended power headroom report format is setup, a media-access-control (MAC) packet, formatted according to the enhanced extended power headroom report format, comprising:
a first Type 2 power headroom field of a primary cell in the plurality of cells; and
a second Type 2 power headroom field of the secondary cell based on the secondary cell being activated; and
wherein the base station is configured to:
transmit, to the wireless device, the at least one RRC message; and
receive the MAC packet.
28. The system of claim 27 , wherein the MAC packet further comprises a subheader comprising a logical channel identifier (LCID).
29. The system of claim 27 , wherein the first power headroom parameter indicates that the enhanced extended power headroom report format is setup based on:
a serving cell, of the plurality of cells, having an uplink configured with a serving cell index higher than a first threshold.
30. The system of claim 27 , wherein the wireless device is further configured to:
determine, based on the first power headroom parameter, to use the enhanced extended power headroom report format for the MAC packet.
31. The system of claim 27 , wherein the at least one RRC message comprises a prohibit power headroom report timer IE, and a periodic power headroom report timer IE.
32. The system of claim 27 , wherein the MAC packet comprises a MAC control element (CE) formatted according to the enhanced extended power headroom report format.
33. The system of claim 32 , wherein the MAC CE comprises:
the first Type 2 power headroom field of the primary cell; and
the second Type 2 power headroom field of the secondary cell.