Power allocation across multiple carriers using shared and dedicated radio frequency spectrum

A method for wireless communication, comprising:

• identifying a user equipment (UE) capable of transmitting using both a first carrier and a second carrier, the first carrier using a dedicated radio frequency spectrum band and the second carrier using a shared radio frequency spectrum band;
• allocating wireless resources of the first carrier and the second carrier to the UE for uplink transmissions during a transmission time interval (TTI), wherein the TTI includes a plurality of subframes, and the second carrier is scheduled for transmissions in a first subframe and a second subframe that is after the first subframe, and the first carrier is scheduled for transmission in the second subframe;
• configuring the UE to prioritize at least one of the first carrier or the second carrier for power allocation based at least in part on a payload of control information, wherein the second carrier is prioritized to provide a first portion of a total transmission power to the second carrier irrespective of the scheduled transmission on the first carrier;
• configuring the UE to allocate the total transmission power for the uplink transmissions during the TTI across the first carrier and the second carrier based at least in part on the prioritizing and a type of control channel for transmission of the payload of the control information during the TTI, an outcome of a listen before talk (LBT) procedure, a timing of the LBT procedure relative to the TTI, one or more other transmissions to be transmitted during the TTI, or any combination thereof, wherein a difference between the total transmission power and the first portion of the total transmission power is allocated to the first carrier;
• and
• receiving the uplink transmissions from the UE on at least one of first carrier or the second carrier.

An apparatus for wireless communication, comprising:

• means for identifying a first carrier and a second carrier that are scheduled for a transmission in a transmission time interval (TTI), wherein the TTI includes a plurality of subframes, the first carrier using a dedicated radio frequency spectrum band and the second carrier using a shared radio frequency spectrum band, and the second carrier is scheduled for transmissions in a first subframe and a second subframe that is after the first subframe, and the first carrier is scheduled for transmission in the second subframe;
• means for performing a listen before talk (LBT) procedure to determine availability of the second carrier for transmissions during the TTI;
• means for prioritizing at least one of the first carrier or the second carrier for power allocation based at least in part on a payload of control information, wherein the second carrier is prioritized to provide a first portion of a total transmission power to the second carrier irrespective of the scheduled transmission on the first carrier;
• and
• means for allocating the total transmission power for the TTI across the first carrier and the second carrier based at least in part on the prioritizing and a type of control channel for transmission of the payload of control information during the TTI, an outcome of the LBT procedure, a timing of the LBT procedure relative to the TTI, one or more other transmissions to be transmitted during the TTI, or any combination thereof, wherein a difference between the total transmission power and the first portion of the total transmission power is allocated to the first carrier.

An apparatus for wireless communication, comprising:

• means for identifying a user equipment (UE) capable of transmitting using both a first carrier and a second carrier, the first carrier using a dedicated radio frequency spectrum band and the second carrier using a shared radio frequency spectrum band;
• means for allocating wireless resources of the first carrier and the second carrier to the UE for uplink transmissions during a transmission time interval (TTI), wherein the TTI includes a plurality of subframes, and the second carrier is scheduled for transmissions in a first subframe and a second subframe that is after the first subframe, and the first carrier is scheduled for transmission in the second subframe;
• means for configuring the UE to prioritize at least one of the first carrier or the second carrier for power allocation based at least in part on a payload of control information, wherein the second carrier is prioritized to provide a first portion of a total transmission power to the second carrier irrespective of the scheduled transmission on the first carrier:
• means for configuring the UE to allocate the total transmission power for the uplink transmissions during the TTI across the first carrier and the second carrier based at least in part on the prioritizing and a type of control channel for transmission of the payload of the control information during the TTI, an outcome of a listen before talk (LBT) procedure, a timing of the LBT procedure relative to the TTI, one or more other transmissions to be transmitted during the TTI, or any combination thereof, wherein a difference between the total transmission power and the first portion of the total transmission power is allocated to the first carrier;
• means for and
• means for receiving the uplink transmissions from the UE on at least one of first carrier or the second carrier.

An apparatus for wireless communication, in a system comprising:

• a processor;
• memory in electronic communication with the processor;
• and
• instructions stored in the memory and operable, when executed by the processor, to cause the apparatus to:
• identify a first carrier and a second carrier that are scheduled for a transmission in a transmission time interval (TTI), wherein the TTI includes a plurality of subframes, the first carrier using a dedicated radio frequency spectrum band and the second carrier using a shared radio frequency spectrum band, and the second carrier is scheduled for transmissions in a first subframe and a second subframe that is after the first subframe, and the first carrier is scheduled for transmission in the second subframe;
• perform a listen before talk (LBT) procedure to determine availability of the second carrier for transmissions during the TTI;
• prioritize at least one of the first carrier or the second carrier for power allocation based at least in part on a payload of control information, wherein the second carrier is prioritized to provide a first portion of a total transmission power to the second carrier irrespective of the scheduled transmission on the first carrier;
• and
• allocate the total transmission power for the TTI across the first carrier and the second carrier based at least in part on the prioritizing and a type of control channel for transmission of the payload of control information during the TTI, an outcome of the LBT procedure, a timing of the LBT procedure relative to the TTI, one or more other transmissions to be transmitted during the TTI, or any combination thereof, wherein a difference between the total transmission power and the first portion of the total transmission power is allocated to the first carrier.

An apparatus for wireless communication, in a system comprising:

• a processor;
• memory in electronic communication with the processor;
• and
• instructions stored in the memory and operable, when executed by the processor, to cause the apparatus to:
• identify a user equipment (UE) capable of transmitting using both a first carrier and a second carrier, the first carrier using a dedicated radio frequency spectrum band and the second carrier using a shared radio frequency spectrum band;
• allocate wireless resources of the first carrier and the second carrier to the UE for uplink transmissions during a transmission time interval (TTI), wherein the TTI includes a plurality of subframes, and the second carrier is scheduled for transmissions in a first subframe and a second subframe that is after the first subframe, and the first carrier is scheduled for transmission in the second subframe;
• configure the UE to prioritize at least one of the first carrier or the second carrier for power allocation based at least in part on a payload of control information, wherein the second carrier is prioritized to provide a first portion of a total transmission power to the second carrier irrespective of the scheduled transmission on the first carrier;
• configure the UE to allocate the total transmission power for the uplink transmissions during the TTI across the first carrier and the second carrier based at least in part on the prioritizing and a type of control channel for transmission of the payload of the control information during the TTI, an outcome of a listen before talk (LBT) procedure, a timing of the LBT procedure relative to the TTI, one or more other transmissions to be transmitted during the TTI, or any combination thereof, wherein a difference between the total transmission power and the first portion of the total transmission power is allocated to the first carrier;
• and
• receive the uplink transmissions from the UE on at least one of first carrier or the second carrier.

A non-transitory computer readable medium storing code for wireless communication, the code comprising instructions executable by a processor to:

• identify a first carrier and a second carrier that are scheduled for a transmission in a transmission time interval (TTI), wherein the TTI includes a plurality of subframes, the first carrier using a dedicated radio frequency spectrum band and the second carrier using a shared radio frequency spectrum band, and the second carrier is scheduled for transmissions in a first subframe and a second subframe that is after the first subframe, and the first carrier is scheduled for transmission in the second subframe;
• perform a listen before talk (LBT) procedure to determine availability of the second carrier for transmissions during the TTI;
• prioritize at least one of the first carrier or the second carrier for power allocation based at least in part on a payload of control information, wherein the second carrier is prioritized to provide a first portion of a total transmission power to the second carrier irrespective of the scheduled transmission on the first carrier;
• and
• allocate the total transmission power for the TTI across the first carrier and the second carrier based at least in part on the prioritizing and a type of control channel for transmission of the payload of control information during the TTI, an outcome of the LBT procedure, a timing of the LBT procedure relative to the TTI, one or more other transmissions to be transmitted during the TTI, or any combination thereof, wherein a difference between the total transmission power and the first portion of the total transmission power is allocated to the first carrier.

A non-transitory computer readable medium storing code for wireless communication, the code comprising instructions executable by the processor to:

• identify a user equipment (UE) capable of transmitting using both a first carrier and a second carrier, the first carrier using a dedicated radio frequency spectrum band and the second carrier using a shared radio frequency spectrum band;
• allocate wireless resources of the first carrier and the second carrier to the UE for uplink transmissions during a transmission time interval (TTI), wherein the TTI includes a plurality of subframes, and the second carrier is scheduled for transmissions in a first subframe and a second subframe that is after the first subframe, and the first carrier is scheduled for transmission in the second subframe;
• configure the UE to prioritize at least one of the first carrier or the second carrier for power allocation based at least in part on a payload of control information, wherein the second carrier is prioritized to provide a first portion of a total transmission power to the second carrier irrespective of the scheduled transmission on the first carrier;
• configure the UE to allocate the total transmission power for the uplink transmissions during the TTI across the first carrier and the second carrier based at least in part on the prioritizing and a type of control channel for transmission of the payload of the control information during the TTI, an outcome of a listen before talk (LBT) procedure, a timing of the LBT procedure relative to the TTI, one or more other transmissions to be transmitted during the TTI, or any combination thereof, wherein a difference between the total transmission power and the first portion of the total transmission power is allocated to the first carrier;
• and
• receive the uplink transmissions from the UE on at least one of first carrier or the second carrier.