Abstract
A wireless transmit/receive unit (WTRU) may determine transmission power levels for uplink channels for uplink component carriers. A transmission power level of a physical uplink shared channel (PUSCH) without control data may be scaled before a PUSCH with control data. A PUSCH without control data may be scaled before a physical uplink control channel (PUCCH) with control data. A secondary component carrier may be scaled before a primary component carrier.
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Specification Information
Specification Information
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Technologies
Product
Use Cases
Services
Claim
1. A wireless transmit/receive unit (WTRU) comprising:
a processor configured to determine transmission power levels for a plurality of uplink channels of a plurality of uplink component carriers, wherein the plurality of uplink channels include a physical uplink shared channel (PUSCH) and a physical uplink control channel (PUCCH), wherein the plurality of uplink component carriers include a primary component carrier and a secondary component carrier;
wherein, on a condition that a maximum transmission power level is exceeded, one or more transmission power levels of the plurality of uplink channels are scaled;
wherein a transmission power level of a PUSCH transmission without control data is scaled before a PUSCH transmission with control data and the PUSCH transmission without control data is scaled before a PUCCH transmission with control data;
wherein the secondary component carrier is scaled before the primary component carrier; and
a transmitter configured to transmit on the plurality of uplink channels at the determined transmission power levels.
2. The WTRU of claim 1, wherein the PUCCH is transmitted on the primary component carrier.
3. The WTRU of claim 2, wherein a transmission power level of the PUCCH is not scaled on the condition that an uplink maximum transmission power level is exceeded by a total WTRU transmit power.
4. A method performed by a wireless transmit/receive unit (WTRU), the method comprising:
determining, by the WTRU, transmission power levels for a plurality of uplink channels of a plurality of uplink component carriers, wherein the plurality of uplink channels include a physical uplink shared channel (PUSCH) and a physical uplink control channel (PUCCH), wherein the plurality of uplink component carriers include a primary component carrier and a secondary component carrier;
wherein, on a condition that a maximum transmission power level is exceeded, one or more transmission power levels of the plurality of uplink channels are scaled;
wherein a transmission power level of a PUSCH transmission without control data is scaled before a PUSCH transmission with control data and the PUSCH transmission without control data is scaled before a PUCCH transmission with control data;
wherein the secondary component carrier is scaled before the primary component carrier; and
transmitting, by the WTRU, on the plurality of uplink channels at the determined transmission power levels.
5. The method of claim 4, wherein the PUCCH is transmitted on the primary component carrier.
6. The method of claim 5, wherein a transmission power level of the PUCCH is not scaled on the condition that an uplink maximum transmission power level is exceeded by a total WTRU transmit power.
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