QOS-based power control in aggregated carrier communication systems

An apparatus, comprising:

• a memory unit;
• and
• at least one processor coupled to the memory unit, the at least one processor configured:
• to select control information to be transmitted in an uplink control channel format in a component carrier of a plurality of component carriers, the control information comprising information types associated with different information reliability requirements, wherein a first information type comprises channel quality indicator (CQI) for the plurality of component carriers and wherein a second information type comprises acknowledgment (ACK) or negative acknowledgment (NAK) information for the plurality of component carriers;
• to generate at least one of an open-loop power control parameter or a closed-loop power control parameter based at least in part on a number of ACK bits or NAK bits for the plurality of component carriers, a number of CQI bits for the plurality of component carriers, and a ratio of the ACK bits or the NAK bits to the CQI bits;
• and
• to transmit the control information in the uplink control channel format at a power level determined by at least one of the open-loop power control parameter or the closed-loop power control parameter;
• wherein the at least one processor is configured to generate the at least one of the open-loop power control parameter or the closed-loop power control parameter based at least in part on a comparison of the ratio of the ACK bits or the NAK bits to the CQI bits with a threshold.

An apparatus configured as a user equipment, comprising:

• means for selecting control information to be transmitted in an uplink control channel format in a component carrier of a plurality of component carriers, the control information comprising information types associated with different information reliability requirements, wherein a first information type comprises channel quality indicator (CQI) for the plurality of component carriers and wherein a second information type comprises acknowledgment (ACK) or negative acknowledgment (NAK) information for the plurality of component carriers;
• means for generating at least one of an open-loop power control parameter or a closed-loop power control parameter based at least in part on a number of ACK bits or NAK bits for the plurality of component carriers, a number of CQI bits for the plurality of component carriers, and a ratio of the ACK bits or the NAK bits to the CQI bits;
• and
• means for transmitting the control information in the uplink control channel format at a power level determined by at least one of the open-loop power control parameter or the closed-loop power control parameter;
• wherein the means for generating the at least one of the open-loop power control parameter or the closed-loop power control parameter include means for generating the at least one of the open-loop power control parameter or the closed-loop power control parameter based at least in part on a comparison of the ratio of the ACK bits or the NAK bits to the CQI bits with a threshold.

A computer program product for wireless communications, the computer program product comprising:

• a non-transitory computer-readable medium having program code recorded thereon, the program code comprising:
• program code to select control information to be transmitted in an uplink control channel format in a component carrier of a plurality of component carriers, the control information comprising information types associated with different information reliability requirements, wherein a first information type comprises channel quality indicator (CQI) for the plurality of component carriers and wherein a second information type comprises acknowledgment (ACK) or negative acknowledgment (NAK) information for the plurality of component carriers;
• program code to generate at least one of an open-loop power control parameter or a closed-loop power control parameter based at least in part on a number of ACK bits or NAK bits for the plurality of component carriers, a number of CQI bits for the plurality of component carries, and a ratio of the ACK bits or the NAK bits to the CQI bits;
• and
• program code to transmit the control information in the uplink control channel format at a power level determined by at least one of the open-loop power control parameter or the closed-loop power control parameter;
• wherein the program code to generate at least one of an open-loop power control parameter or a closed-loop power control parameter includes program code to generate at least one of an open-loop power control parameter or a closed-loop power control parameter based at least in part on a comparison of the ratio of the ACK bits or the NAK bits to the CQI bits with a threshold.