Method and apparatus for uplink transmission power control and timing in coordinated multipoint transmission schemes
First Claim
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1. A method of wireless communication of a first cell, comprising:
- transmitting disabling information to a user equipment (UE) indicating that open loop transmission power control (TPC) is to be disabled based on a range expansion status of the UE in a range expanded region of a second cell, wherein the range expansion status indicates a location of the UE with respect to the range expanded region of the second cell;
communicating with the second cell in relation to a coordinated multipoint (CoMP) transmission of control information by the first cell directly to the UE and data by the second cell directly to the UE in the range expanded region of the second cell;
receiving at the first cell a desired transmission power level for the UE from the second cell;
generating at the first cell control information based on the desired transmission power level; and
transmitting from the first cell the control information to the UE.
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Abstract
A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus of a first cell communicates with a second cell in relation to a coordinated multipoint (CoMP) transmission of control information by the first cell and data by the second cell to a user equipment (UE) in a range expanded region of the second cell, receives a desired transmission power level for the UE from the second cell, generates control information based on the desired transmission power level, and transmits the control information to the UE.
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Citations
36 Claims
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1. A method of wireless communication of a first cell, comprising:
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transmitting disabling information to a user equipment (UE) indicating that open loop transmission power control (TPC) is to be disabled based on a range expansion status of the UE in a range expanded region of a second cell, wherein the range expansion status indicates a location of the UE with respect to the range expanded region of the second cell; communicating with the second cell in relation to a coordinated multipoint (CoMP) transmission of control information by the first cell directly to the UE and data by the second cell directly to the UE in the range expanded region of the second cell; receiving at the first cell a desired transmission power level for the UE from the second cell; generating at the first cell control information based on the desired transmission power level; and transmitting from the first cell the control information to the UE. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An apparatus for wireless communication in a first cell, comprising:
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means for transmitting disabling information to a user equipment (UE) indicating that open loop transmission power control (TPC) is to be disabled based on a range expansion status of the UE in a range expanded region of a second cell, wherein the range expansion status indicates a location of the UE with respect to the range expanded region of the second cell; means for communicating with the second cell in relation to a coordinated multipoint (CoMP) transmission of control information by the apparatus directly to the UE and data by the second cell directly to the UE in the range expanded region of the second cell; means for receiving a desired transmission power level for the UE from the second cell; means for generating control information based on the desired transmission power level; and means for transmitting the control information to the UE. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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19. A non-transitory computer-readable medium storing computer executable code for wireless communication, the non-transitory computer-readable medium comprising code for:
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transmitting disabling information to a user equipment (UE) indicating that open loop transmission power control (TPC) is to be disabled based on a range expansion status of the UE in a range expanded region of a second cell, wherein the range expansion status indicates a location of the UE with respect to the range expanded region of the second cell; communicating with the second cell in relation to a coordinated multipoint (CoMP) transmission of control information by the first cell directly to the UE and data by the second cell directly to the UE in the range expanded region of the second cell; receiving at the first cell a desired transmission power level for the UE from the second cell; generating at the first cell control information based on the desired transmission power level; and transmitting from the first cell the control information to the UE. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 27)
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28. An apparatus for wireless communication, comprising:
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a processing system configured to; transmit disabling information to a user equipment (UE) indicating that open loop transmission power control (TPC) is to be disabled based on a range expansion status of the UE in a range expanded region of a second cell, wherein the range expansion status indicates a location of the UE with respect to the range expanded region of the second cell; communicate with the second cell in relation to a coordinated multipoint (CoMP) transmission of control information by the apparatus directly to the UE and data by the second cell directly to the UE in the range expanded region of the second cell; receive at the apparatus a desired transmission power level for the UE from the second cell; generate at the apparatus control information based on the desired transmission power level; and transmit from the apparatus the control information to the UE. - View Dependent Claims (29, 30, 31, 32, 33, 34, 35, 36)
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Specification