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US 10,383,067 B2Granted
Method and apparatus for power headroom report for beam operation in a wireless communication system
AssigneeASUSTeK COMPUTER INC.
InventorsKo-Chiang Lin, Yu-Hsuan Guo, Ming-Che Li
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Abstract
A method and apparatus are disclosed from the perspective of a UE. In one embodiment, the method includes transmitting a power related information corresponding to a specific UE beam and/or a specific UE beam combination of multiple UE beams to a base station. In one embodiment, the method further includes receiving an indication from the base station about the power related information of which UE beam and/or UE beam combination is to be reported.
Claims20
A method of a UE (User Equipment), comprising:
- calculating a first power headroom of a first UE beam and/or a first UE beam combination based on a real transmission power of a transmission of the first UE beam and/or the first UE beam combination, wherein the transmission of the first UE beam and/or the first UE beam combination is used to carry the first power headroom;
- calculating a second power headroom of a second UE beam and/or a second UE beam combination assuming the transmission of the first UE beam and/or the first UE beam combination is performed on the second UE beam and/or the second UE beam combination, wherein the second UE beam and/or the second UE beam combination is not used to carry the second power headroom and the transmission of the first UE beam and/or the first UE beam combination is used to carry the second power headroom;
- and
- transmitting to a base station a power related information corresponding to a specific UE beam and/or a specific UE beam combination of multiple UE beams, wherein the power related information indicates an amount of available extra transmission power when beamforming is performed and the power related information comprises the first power headroom or the second power headroom.
1 more element
A User Equipment (UE), comprising:
- a control circuit;
- a processor installed in the control circuit;
- and
- a memory installed in the control circuit and operatively coupled to the processor;
- wherein the processor is configured to execute a program code stored in the memory to:
- calculating a first power headroom of a first UE beam and/or a first UE beam combination based on a real transmission power of a transmission of the first UE beam and/or the first UE beam combination, wherein the transmission of the first UE beam and/or the first UE beam combination is used to carry the first power headroom;
- calculating a second power headroom of a second UE beam and/or a second UE beam combination assuming the transmission of the first UE beam and/or the first UE beam combination is performed on the second UE beam and/or the second UE beam combination, wherein the second UE beam and/or the second UE beam combination is not used to carry the second power headroom and the transmission of the first UE beam and/or the first UE beam combination is used to carry the second power headroom;
- and
- transmit to a base station a power related information corresponding to a specific UE beam and/or a specific UE beam combination of multiple UE beams, wherein the power related information indicates an amount of available extra transmission power when beamforming is performed and the power related information comprises the first power headroom or the second power headroom.
6 more elements
Dependencies are inferred from the claim text.