HARQ-ACK codebook adaptation
Systems, methods, and instrumentalities are disclosed that may be associated with HARQ-ACK codebook adaptations. A WTRU) may be configured with multiple physical uplink channels, e.g., physical uplink control channels (PUCCHs), in a slot. Each physical uplink channel may have a respective HARQ-ACK codebook. In examples, the WTRU may determine that a first physical uplink channel and a second physical uplink channel overlap in a slot. In such a case, the WTRU may determine that a first HARQ-ACK codebook associated with the first physical uplink channel has a higher priority than a second HARQ-ACK codebook associated with the second physical uplink channel. The WTRU may transmit the first HARQ-ACK codebook on the first physical uplink channel in the slot. The WTRU may send part of the second HARQ-ACK codebook in the slot and part of the second HARQ-ACK codebook in a subsequent slot (e.g., a next slot, a future slot, etc.).
1. A device comprising:
a processor configured to:
determine that a scheduled first physical uplink channel transmission and a second scheduled physical uplink channel transmission overlap in a first slot, wherein the scheduled first physical uplink channel transmission and the scheduled second physical uplink channel transmission are associated with a first hybrid automatic repeat request acknowledgment (HARQ-ACK) codebook and a second HARQ-ACK codebook, respectively;
determine that the first HARQ-ACK codebook has a higher priority than the second HARQ-ACK codebook;
transmit the first HARQ-ACK codebook via the scheduled first physical uplink channel transmission in the first slot;
determine a first sub-codebook of the second HARQ-ACK codebook and a second sub-codebook of the second HARQ-ACK codebook; and
transmit the first sub-codebook of the second HARQ-ACK codebook via the scheduled second physical uplink channel transmission in the first slot, wherein the first sub-codebook of the second HARQ-ACK codebook is transmitted using a non-overlapping portion of the scheduled second physical uplink channel transmission.
2. The device of claim 1 , wherein the processor is further configured to transmit the second sub-codebook of the second HARQ-ACK codebook in a second slot.
3. The device of claim 1 , wherein the determination that the first HARQ-ACK codebook has the higher priority than the second HARQ-ACK codebook is based on a service type associated with the first HARQ-ACK codebook and a service type associated with the second HARQ-ACK codebook.
4. The device of claim 1 , wherein the determination of the first sub-codebook of the second HARQ-ACK codebook and the second sub-codebook of the second HARQ-ACK codebook is based on a number of symbols of the scheduled second physical uplink channel transmission in the first slot that do not overlap the scheduled first physical uplink channel transmission in the first slot.
5. The device of claim 4 , wherein the determination of the first sub-codebook of the second HARQ-ACK codebook and the second sub-codebook of the second HARQ-ACK codebook is based on a reliability requirement of the second HARQ-ACK codebook.
6. The device of claim 5 , wherein the reliability requirement of the second HARQ-ACK codebook comprises a block error rate target.
7. The device of claim 1 , wherein the scheduled first physical uplink channel transmission is a scheduled physical uplink control channel transmission or a scheduled physical uplink shared channel transmission.
8. The device of claim 1 , wherein the scheduled first physical uplink channel transmission is one or more scheduled first resources, and wherein the scheduled second physical uplink channel transmission is one or more scheduled second resources.
9. A method comprising:
determining that a scheduled first physical uplink channel transmission and a second scheduled physical uplink channel transmission overlap in a first slot, wherein the scheduled first physical uplink channel transmission and the scheduled second physical uplink channel transmission are associated with a first hybrid automatic repeat request acknowledgment (HARQ-ACK) codebook and a second HARQ-ACK codebook, respectively;
determining that the first HARQ-ACK codebook has a higher priority than the second HARQ-ACK codebook;
transmitting the first HARQ-ACK codebook via the scheduled first physical uplink channel transmission in the first slot;
determining a first sub-codebook of the second HARQ-ACK codebook and a second sub-codebook of the second HARQ-ACK codebook; and
transmitting the first sub-codebook of the second HARQ-ACK codebook via the scheduled second physical uplink channel transmission in the first slot, wherein the first sub-codebook of the second HARQ-ACK codebook is transmitted using a non-overlapping portion of the scheduled second physical uplink channel transmission.
10. The method of claim 9 , further comprising transmitting the second sub-codebook of the second HARQ-ACK codebook in a second slot.
11. The method of claim 9 , wherein the determination that the first HARQ-ACK codebook has the higher priority than the second HARQ-ACK codebook is based on a service type associated with the first HARQ-ACK codebook and a service type associated with the second HARQ-ACK codebook.
12. The method of claim 9 , wherein the determination of the first sub-codebook of the second HARQ-ACK codebook and the second sub-codebook of the second HARQ-ACK codebook is based on a number of symbols of the scheduled second physical uplink channel transmission in the first slot that do not overlap the scheduled first physical uplink channel transmission in the first slot.
13. The method of claim 12 , wherein the determination of the first sub-codebook of the second HARQ-ACK codebook and the second sub-codebook of the second HARQ-ACK codebook is based on a reliability requirement of the second HARQ-ACK codebook, and wherein the reliability requirement of the second HARQ-ACK codebook comprises a block error rate target.
14. The method of claim 9 , wherein the scheduled first physical uplink channel transmission is a scheduled physical uplink control channel transmission or a scheduled physical uplink shared channel transmission.
15. The method of claim 9 , wherein the scheduled first physical uplink channel transmission is one or more scheduled first resources, and wherein the scheduled second physical uplink channel transmission is one or more scheduled second resources.