Hybrid automatic repeat request feedback verification

1 . A user equipment (UE) for wireless communication, comprising:

a memory; and

one or more processors, operatively coupled to the memory, configured to:

transmit, using one or more beams, a hybrid automatic repeat request (HARQ) feedback for a downlink transmission from a base station;

receive an indication of an interpretation of the HARQ feedback by the base station;

determine that the interpretation of the HARQ feedback by the base station is incorrect, and that interpretations corresponding to a number of previous consecutive HARQ feedbacks were incorrect, wherein the number is at least one;

determine that the number of the previous consecutive HARQ feedbacks satisfies a threshold; and

transmit, based at least in part on the determination that the threshold is satisfied, a scheduling request to request a new transmission configuration indicator (TCI) state to perform one or more of beam selection or beam switching.

2 . The UE of claim 1 , wherein the one or more processors, when transmitting the scheduling request to request the new TCI state, are configured to:

transmit the scheduling request to request the new TCI state via a current beam of the one or more beams associated with the HARQ feedback,

transmit the scheduling request to request the new TCI state via a current beam of the one or more beams not associated with the HARQ feedback, or

transmit the scheduling request to request the new TCI state via a new beam of the one or more beams.

3 . The UE of claim 1 , wherein the one or more processors are further configured to store the HARQ feedback after transmitting the HARQ feedback,

wherein the one or more processors, when determining that the interpretation of the HARQ feedback by the base station is not correct, are configured to:

compare the HARQ feedback that is stored and the indication of the interpretation of the HARQ feedback by the base station.

4 . The UE of claim 1 , wherein the base station is configured to interpret a HARQ feedback occasion without receiving a HARQ feedback as an acknowledgement, or

wherein the base station is configured to interpret a HARQ feedback occasion without receiving a HARQ feedback as a negative acknowledgement.

5 . The UE of claim 1 , wherein the UE is configured to transmit a soft negative acknowledgement for HARQ feedback based at least in part on the UE receiving an associated downlink transmission via the one or more beams and a subset of the one or more beams, and

wherein the soft negative acknowledgement indicates that the subset of the one or more beams has failed.

6 . The UE of claim 1 , wherein the one or more processors, when receiving the indication of the interpretation of the HARQ feedback by the base station, are configured to:

receive the indication of the interpretation of the HARQ feedback by the base station via a physical layer indication.

7 . The UE of claim 6 , wherein the physical layer indication is within downlink control information that is piggybacked with a subsequent downlink transmission.

8 . The UE of claim 7 , wherein the subsequent downlink transmission is a downlink transmission during a subsequent cycle.

9 . The UE of claim 1 , wherein the HARQ feedback comprises feedback for multiple downlink transmissions.

10 . The UE of claim 9 , wherein the multiple downlink transmissions are associated with multiple component carriers.

11 . The UE of claim 1 , wherein the one or more processors are further configured to:

determine that the interpretation of the HARQ feedback by the base station is incorrect; and

transmit, via a subsequent HARQ feedback, an indication of a mismatch between the HARQ feedback and the interpretation of the HARQ feedback by the base station.

12 . A method of wireless communication performed by a user equipment (UE), comprising:

transmitting, using one or more beams, a hybrid automatic repeat request (HARQ) feedback for a downlink transmission from a base station;

receiving an indication of an interpretation of the HARQ feedback by the base station;

determining that the interpretation of the HARQ feedback by the base station is incorrect, and that interpretations corresponding to a number of previous consecutive HARQ feedbacks were incorrect, wherein the number is at least one;

determining that the number of the previous consecutive HARQ feedbacks satisfies a threshold; and

transmitting, based at least in part on the determination that the threshold is satisfied, a scheduling request to request a new transmission configuration indicator (TCI) state to perform one or more of beam selection or beam switching.

13 . The method of claim 12 , wherein transmitting the scheduling request to request the new TCI state comprises:

transmitting the scheduling request to request the new TCI state via a current beam of the one or more beams associated with the HARQ feedback,

transmitting the scheduling request to request the new TCI state via a current beam of the one or more beams not associated with the HARQ feedback, or

transmitting the scheduling request to request the new TCI state via a new beam of the one or more beams.

14 . The method of claim 12 , further comprising, after transmitting the HARQ feedback, storing the HARQ feedback, wherein determining that the interpretation of the HARQ feedback by the base station is not correct comprises:

comparing the HARQ feedback that is stored and the indication of the interpretation of the HARQ feedback by the base station.

15 . The method of claim 12 , wherein the base station is configured to interpret a HARQ feedback occasion without receiving a HARQ feedback as an acknowledgement, or

wherein the base station is configured to interpret a HARQ feedback occasion without receiving a HARQ feedback as a negative acknowledgement.

16 . The method of claim 12 , wherein the UE is configured to transmit a soft negative acknowledgement for HARQ feedback based at least in part on the UE receiving an associated downlink transmission via the one or more beams and a subset of the one or more beams, and

wherein the soft negative acknowledgement indicates that the subset of the one or more beams has failed.

17 . The method of claim 12 , wherein receiving the indication of the interpretation of the HARQ feedback by the base station comprises:

receiving the indication of the interpretation of the HARQ feedback by the base station via a physical layer indication.

18 . The method of claim 17 , wherein the physical layer indication is within downlink control information that is piggybacked with a subsequent downlink transmission.

19 . The method of claim 18 , wherein the subsequent downlink transmission is a downlink transmission during a subsequent cycle.

20 . The method of claim 12 , wherein the HARQ feedback comprises feedback for multiple downlink transmissions.

21 . The method of claim 20 , wherein the multiple downlink transmissions are associated with multiple component carriers.

22 . The method of claim 12 , further comprising: determining that the interpretation of the HARQ feedback by the base station is incorrect; and

transmitting, via a subsequent HARQ feedback, an indication of a mismatch between the HARQ feedback and the interpretation of the HARQ feedback by the base station.

23 . A non-transitory computer-readable medium storing a set of instructions for wireless communication, the set of instructions comprising:

one or more instructions that, when executed by one or more processors of a user equipment (UE), cause the UE to:

transmit, using one or more beams, a hybrid automatic repeat request (HARQ) feedback for a downlink transmission from a base station;

receive an indication of an interpretation of the HARQ feedback by the base station;

determine that the interpretation of the HARQ feedback by the base station is incorrect, and that interpretations corresponding to a number of previous consecutive HARQ feedbacks were incorrect, wherein the number is at least one;

determine that the number of the previous consecutive HARQ feedbacks satisfies a threshold; and

transmit, based at least in part on the determination that the threshold is satisfied, a scheduling request to request a new transmission configuration indicator (TCI) state to perform one or more of beam selection or beam switching.

24 . The non-transitory computer-readable medium of claim 23 , wherein the one or more instructions further cause the UE to, after transmitting the HARQ feedback, store the HARQ feedback,

wherein the one or more instructions, that cause the UE to determine that the interpretation of the HARQ feedback by the base station is not correct, cause the UE to:

compare the HARQ feedback that is stored and the indication of the interpretation of the HARQ feedback by the base station.

25 . The non-transitory computer-readable medium of claim 23 , wherein the one or more instructions, that cause the UE to transmit the scheduling request to request the new TCI state, cause the UE to:

transmit the scheduling request to request the new TCI state via a current beam of the one or more beams associated with the HARQ feedback,

transmit the scheduling request to request the new TCI state via a current beam of the one or more beams not associated with the HARQ feedback, or

transmit the scheduling request to request the new TCI state via a new beam of the one or more beams.

26 . The non-transitory computer-readable medium of claim 23 , wherein the one or more instructions further cause the UE to interpret a HARQ feedback occasion without receiving a HARQ feedback as an acknowledgement, or

wherein the one or more instructions further cause the UE to interpret a HARQ feedback occasion without receiving a HARQ feedback as a negative acknowledgement.

27 . The non-transitory computer-readable medium of claim 23 , wherein the one or more instructions further cause the UE to transmit a soft negative acknowledgement for HARQ feedback based at least in part on the UE receiving an associated downlink transmission via the one or more beams and a subset of the one or more beams, and

wherein the soft negative acknowledgement indicates that the subset of the one or more beams has failed.

28 . The non-transitory computer-readable medium of claim 23 , wherein the one or more instructions, that cause the UE to receive the indication of the interpretation of the HARQ feedback by the base station, cause the UE to:

receive the indication of the interpretation of the HARQ feedback by the base station via a physical layer indication.

29 . An apparatus for wireless communication, comprising:

means for transmitting, using one or more beams, a hybrid automatic repeat request (HARQ) feedback for a downlink transmission from a base station;

means for receiving an indication of an interpretation of the HARQ feedback by the base station;

means for determining that the interpretation of the HARQ feedback by the base station is incorrect, and that interpretations corresponding to a number of previous consecutive HARQ feedbacks were incorrect, wherein the number is at least one;

means for determining that the number of the previous consecutive HARQ feedbacks satisfies a threshold; and

means for transmitting, based at least in part on the determination that the threshold is satisfied, a scheduling request to request a new transmission configuration indicator (TCI) state to perform one or more of beam selection or beam switching.

30 . The apparatus of claim 29 , further comprising, after transmitting the HARQ feedback, storing the HARQ feedback, wherein the means for determining that the interpretation of the HARQ feedback by the base station is not correct comprises:

means for comparing the HARQ feedback that is stored and the indication of the interpretation of the HARQ feedback by the base station.