Method for configured maximum output power reporting and user equipment

1. A user equipment, comprising:

processing circuitry configured to:

judge whether for the current subframe the user equipment has non-adaptive retransmission of uplink data on an activated serving cell configured with an uplink carrier;

obtain, from a physical layer, a configured maximum output power corresponding to the activated serving cell having the non-adaptive retransmission of uplink data; and

a transmitter configured to report the configured maximum output power from the physical layer to a base station when, for a current subframe, the user equipment has uplink resources allocated for new transmission for the activated serving cell and the allocated uplink resources may accommodate a power headroom report.

2. The user equipment according to claim 1 , the processing circuitry further configured to:

judge whether the base station schedules channel status information transmission on an activated serving cell configured with an uplink carrier but does not allocate uplink resources to transmit data for the activated serving cell;

obtain, from a physical layer, a configured maximum output power corresponding to the activated serving cell if the base station schedules channel status information transmission but does not allocate the uplink resources to transmit data for the activated serving cell; and

the transmitter configured to report the configured maximum output power to the base station.

3. The user equipment according to claim 1 ,

wherein the uplink resources for new transmission are for a serving cell of a plurality of activated serving cells, and

wherein the judging judges for each activated serving cell whether, for the current subframe, the user equipment has non-adaptive retransmission of uplink data.

4. A user equipment, comprising:

processing circuitry configured to:

when a power headroom report has been triggered, and, for a current subframe, the user equipment has uplink resources allocated for new transmission and the allocated uplink resources may accommodate the power headroom report, judge whether for the current subframe the user equipment has non-adaptive retransmission of uplink data on an activated serving cell configured with an uplink carrier;

obtain, from a physical layer, a configured maximum output power corresponding to the activated serving cell if for the current subframe the user equipment has non-adaptive retransmission of uplink data on the activated serving cell; and

a transmitter configured to report the obtained configured maximum output power from the physical layer to a base station.

5. The user equipment according to claim 4 ,

wherein the uplink resources allocated for new transmission are for a serving cell of a plurality of activated serving cells, and

wherein the to judge, judges for each activated serving cell whether, for the current subframe, the user equipment has non-adaptive retransmission of uplink data.

6. The user equipment according to claim 4 , the processing circuitry further configured to:

judge whether the base station schedules channel status information transmission on an activated serving cell configured with an uplink carrier but does not allocate uplink resources to transmit data for the activated serving cell; and

obtain, from a physical layer, a configured maximum output power corresponding to the activated serving cell if a base station schedules channel status information transmission but does not allocate uplink resources to transmit data for the activated serving cell.

7. A user equipment, comprising:

processing circuitry and memory configured to:

judge whether, for a current subframe, the user equipment has uplink resources allocated for new transmission and the allocated uplink resources may accommodate a power headroom report, when a power headroom report is triggered;

judge whether, for a current subframe, the user equipment has non-adaptive retransmission of uplink data on an activated serving cell configured with an uplink carrier, when a power headroom report is triggered;

obtain, from a physical layer, a configured maximum output power corresponding to the activated serving cell having non-adaptive retransmission of uplink data; and

report the configured maximum output power from the physical layer to the base station when, for the current subframe, the user equipment has the uplink resources allocated for new transmission and the allocated uplink resources may accommodate a power headroom report.

8. The user equipment according to claim 7 , the processing circuitry and memory further configured to:

judge whether the base station schedules channel status information transmission on an activated serving cell configured with an uplink carrier but does not allocate uplink resources to transmit data for the activated serving cell; and

obtain, from a physical layer, a configured maximum output power corresponding to the activated serving cell if the base station schedules channel status information transmission but does not allocate uplink resources to transmit data for the activated serving cell.

9. A base station configured for carrier aggregation, comprising:

a receiver; and

processing circuitry coupled to the receiver and configured to:

allocate to a user equipment uplink resources by at least one activated serving cell configured with an uplink carrier, the uplink resources for new transmission and the uplink resources may accommodate a power headroom report,

obtain from a transmission of the user equipment including non-adaptive retransmission of uplink data and responsive to the allocated uplink resources, a configured maximum output power for an activated serving cell configured with an uplink carrier.

10. The base station of claim 9 , wherein the processing circuitry further configured to:

schedule channel status information transmission on an activated serving cell configured with an uplink carrier but not allocate uplink resources to transmit data for the activated serving cell, and

obtain from a transmission of the user equipment, responsive to the scheduled channel status information transmission, a configured maximum output power for the activated serving cell where the base station schedules channel state information but no allocated uplink resources for transmitting data for the activated serving cell.