Two-stage feedback procedures

A method for wireless communication at a base station, comprising:

• transmitting one or more signals over one or more component carriers;
• receiving, using a first set of uplink resources, a first stage of feedback, the first stage comprising an acknowledgement or a negative acknowledgement associated with each component carrier of the one or more component carriers;
• receiving, using a second set of uplink resources different than the first set of uplink resources, a second stage of the feedback, the second stage comprising additional feedback information associated with a first component carrier associated with a first negative acknowledgement of the first stage based at least in part on the first component carrier having failed to be successfully decoded;
• adjusting one or more parameters associated with the first component carrier based at least in part on the additional feedback information included in the second stage;
• and
• transmitting a first signal over the first component carrier based at least in part on adjusting the one or more parameters.

An apparatus for wireless communication at a user equipment (UE), comprising:

• a processor,
• memory coupled with the processor, and
• instructions stored in the memory and executable by the processor to cause the apparatus to:
• receive one or more signals over one or more component carriers;
• determine that information associated with a first component carrier of the one or more component carriers failed to be successfully decoded;
• transmit, using a first set of uplink resources, a first stage of feedback, the first stage comprising an acknowledgement or a negative acknowledgement associated with each component carrier of the one or more component carriers;
• and
• transmit, using a second set of uplink resources different than the first set of uplink resources and based at least in part on the first component carrier having failed to be successfully decoded, a second stage of the feedback, the second stage comprising additional feedback information associated with the first component carrier that failed to be successfully decoded.

An apparatus for wireless communication at a base station, comprising:

• a processor,
• memory coupled with the processor, and
• instructions stored in the memory and executable by the processor to cause the apparatus to:
• transmit one or more signals over one or more component carriers;
• receive, using a first set of uplink resources, a first stage of feedback, the first stage comprising an acknowledgement or a negative acknowledgement associated with each component carrier of the one or more component carriers;
• receive, using a second set of uplink resources different than the first set of uplink resources, a second stage of the feedback, the second stage comprising additional feedback information associated with a first component carrier associated with a first negative acknowledgement of the first stage based at least in part on the first component carrier having failed to be successfully decoded;
• adjust one or more parameters associated with the first component carrier based at least in part on the additional feedback information included in the second stage;
• and
• transmit a first signal over the first component carrier based at least in part on adjusting the one or more parameters.