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 comprising:
receiving, by a wireless device from a base station, at least one radio resource configuration (RRC) message comprising:
configuration parameters of a plurality of cells for communication with the base station;
a first power headroom information element (IE) indicating a new extended power headroom report is configured; and
a second power headroom IE, wherein the first power headroom IE is configured as setup when:
a secondary cell in the plurality of cells is configured with a physical uplink control channel (PUCCH); and
the second power headroom IE indicates that a power headroom report is configured as setup; and
transmitting a media-access-control (MAC) packet 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;
wherein:
a calculation of a first Type 2 power headroom level of the first Type 2 power headroom field is based on a calculated power of a PUCCH of the primary cell and a calculated power of a physical uplink shared channel (PUSCH) of the primary cell;
a calculation of a second Type 2 power headroom level of the second Type 2 power headroom field is based on a calculated power of the PUCCH of the secondary cell and a calculated power of a PUSCH of the secondary cell; and
a calculation of a Type 1 power headroom level of a Type 1 power headroom field of the secondary cell is based on a calculated power of the PUSCH of the secondary cell.
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 at least one RRC message comprises a prohibit power headroom report timer IE, and a periodic power headroom report timer IE.
4. The method of claim 1 , wherein a cell index of a cell in the plurality of cells is higher than a predefined value.
5. The method of claim 1 , wherein a cell index of a cell with a configured uplink is higher than a predefined value.
6. 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:
configuration parameters of a plurality of cells for communication with the base station;
a first power headroom information element (IE) indicating a new extended power headroom report is configured; and
a second power headroom IE, wherein the first power headroom IE is configured as setup when:
a secondary cell in the plurality of cells is configured with a physical uplink control channel (PUCCH); and
the second power headroom IE indicates that a power headroom report is configured as setup; and
transmit a media-access-control (MAC) packet comprising:
a first Type 2 power headroom field of a primary cell; and
a second Type 2 power headroom field of the secondary cell based on the secondary cell being activated;
wherein:
a calculation of a first Type 2 power headroom level of the first Type 2 power headroom field is based on a calculated power of a PUCCH of the primary cell and a calculated power of a physical uplink shared channel (PUSCH) of the primary cell;
a calculation of a second Type 2 power headroom level of the second Type 2 power headroom field is based on a calculated power of the PUCCH of the secondary cell and a calculated power of a PUSCH of the secondary cell; and
a calculation of a Type 1 power headroom level of a Type 1 power headroom field of the secondary cell is based on a calculated power of the PUSCH of the secondary cell.
7. The wireless device of claim 6 , wherein the MAC packet further comprises a subheader comprising a logical channel identifier (LCID).
8. The wireless device of claim 6 , wherein the at least one RRC message comprises a prohibit power headroom report timer IE, and a periodic power headroom report timer IE.
9. The wireless device of claim 6 , wherein a cell index of a cell in the plurality of cells is higher than a predefined value.
10. The wireless device of claim 6 , wherein a cell index of a cell with a configured uplink is higher than a predefined value.
11. A method comprising:
transmitting, by a base station to a wireless device, at least one radio resource configuration (RRC) message comprising:
configuration parameters of a plurality of cells for communication with the base station;
a first power headroom information element (IE) indicating a new extended power headroom report is configured; and
a second power headroom IE, wherein the first power headroom IE is configured as setup when:
a secondary cell in the plurality of cells is configured with a physical uplink control channel (PUCCH); and
the second power headroom IE indicates that a power headroom report is configured as setup; and
receiving a media-access-control (MAC) packet comprising:
a first Type 2 power headroom field of a primary cell; and
a second Type 2 power headroom field of the secondary cell based on the secondary cell being activated in the wireless device;
wherein:
a calculation of a first Type 2 power headroom level of the first Type 2 power headroom field is based on a calculated power of a PUCCH of the primary cell and a calculated power of a physical uplink shared channel (PUSCH) of the primary cell;
a calculation of a second Type 2 power headroom level of the second Type 2 power headroom field is based on a calculated power of the PUCCH of the secondary cell and a calculated power of a PUSCH of the secondary cell; and
a calculation of a Type 1 power headroom level of a Type 1 power headroom field of the secondary cell is based on a calculated power of the PUSCH of the secondary cell.
12. The method of claim 11 , wherein the MAC packet further comprises a subheader comprising a logical channel identifier (LCID).
13. The method of claim 11 , wherein a cell index of a cell in the plurality of cells is higher than a predefined value.
14. The method of claim 11 , wherein a cell index of a cell with a configured uplink is higher than a predefined value.
15. 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:
configuration parameters of a plurality of cells for communication with the base station;
a first power headroom information element (IE) indicating a new extended power headroom report is configured; and
a second power headroom IE, wherein the first power headroom IE is configured as setup when:
a secondary cell in the plurality of cells is configured with a physical uplink control channel (PUCCH); and
the second power headroom IE indicates that a power headroom report is configured as setup; and
receive a media-access-control (MAC) packet comprising:
a first Type 2 power headroom field of a primary cell; and
a second Type 2 power headroom field of the secondary cell based on the secondary cell being activated in the wireless device;
wherein:
a calculation of a first Type 2 power headroom level of the first Type 2 power headroom field is based on a calculated power of a PUCCH of the primary cell and a calculated power of a physical uplink shared channel (PUSCH) of the primary cell;
a calculation of a second Type 2 power headroom level of the second Type 2 power headroom field is based on a calculated power of the PUCCH of the secondary cell and a calculated power of a PUSCH of the secondary cell; and
a calculation of a Type 1 power headroom level of a Type 1 power headroom field of the secondary cell is based on a calculated power of the PUSCH of the secondary cell.
16. The base station of claim 15 , wherein the MAC packet further comprises a subheader comprising a logical channel identifier (LCID).
17. The base station of claim 15 , wherein a cell index of a cell in the plurality of cells is higher than a predefined value.
18. The base station of claim 15 , wherein a cell index of a cell with a configured uplink is higher than a predefined value.
19. A system comprising:
a wireless device; and
a base station,
wherein the wireless device is configured to:
receive, from the base station, at least one radio resource configuration (RRC) message comprising:
configuration parameters of a plurality of cells for communication with the base station;
a first power headroom information element (IE) indicating a new extended power headroom report is configured; and
a second power headroom IE, wherein the first power headroom IE is configured as setup when:
a secondary cell in the plurality of cells is configured with a physical uplink control channel (PUCCH); and
the second power headroom IE indicates that a power headroom report is configured as setup; and
transmit a media-access-control (MAC) packet comprising:
a first Type 2 power headroom field of a primary cell; and
a second Type 2 power headroom field of the secondary cell based on the secondary cell being activated,
wherein the base station is configured to:
transmit, to the wireless device, the at least one RRC message; and
receive the MAC packet, and
wherein:
a calculation of a first Type 2 power headroom level of the first Type 2 power headroom field is based on a calculated power of a PUCCH of the primary cell and a calculated power of a physical uplink shared channel (PUSCH) of the primary cell;
a calculation of a second Type 2 power headroom level of the second Type 2 power headroom field is based on a calculated power of the PUCCH of the secondary cell and a calculated power of a PUSCH of the secondary cell; and
a calculation of a Type 1 power headroom level of a Type 1 power headroom field of the secondary cell is based on a calculated power of the PUSCH of the secondary cell.
20. The system of claim 19 , wherein the MAC packet further comprises a subheader comprising a logical channel identifier (LCID).
21. The system of claim 19 , wherein a cell index of a cell in the plurality of cells is higher than a predefined value.
22. The system of claim 19 , wherein a cell index of a cell with a configured uplink is higher than a predefined value.