Resource element mapping for high and low priority HARQ-ACK/NACK and channel state information on a physical uplink shared channel

1. A method of wireless communication at a user equipment (UE), comprising:

obtaining high priority (HP) hybrid automatic repeat request-acknowledgment/negative acknowledgment (HARQ-ACK/NACK) information, low priority (LP) HARQ-ACK/NACK information, channel state information (CSI) comprising LP CSI part 1 and LP CSI part 2 , and uplink-shared channel (UL-SCH) data, wherein the UE has a maximum of four uplink control information (UCI) encoders;

dropping the LP CSI part 2 in response to the CSI comprising the LP CSI part 1 and the LP CSI part 2 ;

mapping the HP HARQ-ACK/NACK information, the LP HARQ-ACK/NACK information, the LP CSI part 1 , and the UL-SCH data to one or more of each of: HP HARQ-ACK/NACK resource elements (REs), LP HARQ-ACK/NACK REs, LP CSI part 1 REs, and UL-SCH REs, respectively; and

rate matching the LP HARQ-ACK/NACK REs, the LP CSI part 1 REs, and the UL-SCH REs around the HP HARQ-ACK/NACK REs the HP HARK-ACK/NACK REs, the LP HARQ-ACK/NACK REs, the LP CSI part 1 REs, and the UL-SCH REs comprising resources in an uplink transmission on a physical uplink shared channel (PUSCH).

2. The method of claim 1 , wherein, in response to determining that a size of the LP HARQ-ACK/NACK information is less than or equal to a predetermined number of bits, the mapping the LP HARQ-ACK/NACK information further includes mapping the LP HARQ-ACK/NACK information to one or more reserved REs.

3. The method of claim 2 , wherein:

mapping the LP CSI part 1 to the LP CSI part 1 REs further includes rate matching the LP CSI part 1 REs around the HP HARQ-ACK/NACK REs and the one or more reserved REs; and

mapping the UL-SCH data to the UL-SCH REs further includes rate matching the UL-SCH REs around the HP HARQ-ACK/NACK RES and the LP CSI part 1 REs in the uplink transmission prior to mapping the LP HARQ-ACK/NACK information, including ignoring the one or more reserved REs,

wherein mapping the LP HARQ-ACK/NACK information to the one or more reserved REs includes puncturing the LP HARQ-ACK/NACK information to the one or more reserved REs.

4. The method of claim 1 , wherein, in response to determining that a size of the LP HARQ-ACK/NACK information is greater than a predetermined number of bits:

the mapping the LP HARQ-ACK/NACK information to the LP HARQ-ACK/NACK REs further includes rate matching the LP HARQ-ACK/NACK REs around the HP HARQ-ACK/NACK REs in the uplink transmission;

the mapping the LP CSI part 1 to the LP CSI part 1 REs further includes rate matching the LP CSI part 1 REs around the HP HARQ-ACK/NACK REs and the LP HARQ-ACK/NACK REs in the uplink transmission; and

the mapping the UL-SCH data to the UL-SCH REs further includes rate matching the UL-SCH REs around the HP HARQ-ACK/NACK REs, the LP HARQ-ACK/NACK REs, and the LP CSI part 1 REs in the uplink transmission.

5. The method of claim 1 , further comprising:

padding the LP HARQ-ACK/NACK information to a predetermined number of bits in response to determining that a size of the LP HARQ-ACK/NACK information is less than or equal to the predetermined number of bits;

encoding the padded LP HARQ-ACK/NACK information; and

mapping the encoded padded LP HARQ-ACK/NACK information to encoded padded LP HARQ-ACK/NACK REs, including rate matching the encoded padded LP HARQ-ACK/NACK REs around the HP HARQ-ACK/NACK REs in the uplink transmission.

6. The method of claim 5 , wherein:

mapping the LP CSI part 1 to the LP CSI part 1 REs further includes rate matching the LP CSI part 1 REs around the HP HARQ-ACK/NACK REs and the encoded padded LP HARQ-ACK/NACK REs in the uplink transmission; and

mapping the UL-SCH data to the UL-SCH REs further includes rate matching the UL-SCH REs around the HP HARQ-ACK/NACK RES, the encoded padded LP HARQ-ACK/NACK REs, and the LP CSI part 1 REs in the uplink transmission.

7. The method of claim 1 , wherein in response to determining that a size of the LP HARQ-ACK/NACK information is greater than a predetermined number of bits, the method further includes:

avoiding padding the LP HARQ-ACK/NACK information, wherein:

the mapping the LP HARQ-ACK/NACK information to the LP HARQ-ACK/NACK REs further includes rate matching the LP HARQ-ACK/NACK REs around the HP HARQ-ACK/NACK REs in the uplink transmission;

the mapping the LP CSI part 1 to the LP CSI part 1 REs further includes rate matching the LP CSI part 1 REs around the HP HARQ-ACK/NACK REs and the LP HARQ-ACK/NACK REs in the uplink transmission; and

the mapping the UL-SCH data to the UL-SCH REs further includes rate matching the UL-SCH REs around the HP HARQ-ACK/NACK REs, the LP HARQ-ACK/NACK REs, and the LP CSI part 1 REs in the uplink transmission.

8. The method of claim 1 , further comprising:

reserving one or more reserved REs for the HP HARQ-ACK/NACK information in response to determining that a first size of the HP HARQ-ACK/NACK information is less than or equal to a first predetermined number of bits;

padding the LP HARQ-ACK/NACK information to a second predetermined number of bits in response to determining that a second size of the LP HARQ-ACK/NACK information is less than the second predetermined number of bits, and avoiding padding the LP HARQ-ACK/NACK information in response to determining that the second size of the LP HARQ-ACK/NACK information is greater than or equal to the second predetermined number of bits; and

the mapping the LP HARQ-ACK/NACK information to low priority the LP HARQ-ACK/NACK REs further includes rate matching the LP HARQ-ACK/NACK REs around the one or more reserved REs for the HP HARQ-ACK/NACK information in the uplink transmission.

9. The method of claim 8 , wherein:

mapping the LP CSI part 1 to the LP CSI part 1 REs further includes rate matching the LP CSI part 1 REs around the LP HARQ-ACK/NACK RES and ignoring the one or more reserved REs for the HP HARQ-ACK/NACK information in the uplink transmission;

mapping the UL-SCH data to the UL-SCH REs further includes rate matching the UL-SCH REs around at least the LP HARQ-ACK/NACK REs, and the LP CSI part 1 REs, and ignoring the one or more reserved REs for the HP HARQ-ACK/NACK information in the uplink transmission; and

mapping the HP HARQ-ACK/NACK information to the one or more reserved REs further includes puncturing the LP CSI part 1 REs, the UL-SCH REs, or both the LP CSI part 1 REs and the UL-SCH REs.

10. The method of claim 8 , further comprising:

avoiding reserving the one or more reserved REs for the HP HARQ-ACK/NACK information in response to determining that the first size of the HP HARQ-ACK/NACK information is greater than the first predetermined number of bits;

padding the LP HARQ-ACK/NACK information to the second predetermined number of bits in response to determining that the second size of the LP HARQ-ACK/NACK information is less than the second predetermined number of bits, and avoiding the padding the LP HARQ-ACK/NACK information in response to determining that the second size of the LP HARQ-ACK/NACK information is greater than or equal to the second predetermined number of bits, wherein:

mapping the LP HARQ-ACK/NACK information to the LP HARQ-ACK/NACK REs further includes rate matching the LP HARQ-ACK/NACK RES around the HP HARQ-ACK/NACK REs in the uplink transmission,

mapping the LP CSI part 1 to the LP CSI part 1 REs further includes rate matching the LP CSI part 1 REs around the HP HARQ-ACK/NACK REs and the LP HARQ-ACK/NACK REs in the uplink transmission, and

mapping the UL-SCH data to the UL-SCH REs further includes rate matching the UL-SCH REs around the HP HARQ-ACK/NACK REs, the LP HARQ-ACK/NACK REs, and the LP CSI part 1 REs in the uplink transmission.

11. The method of claim 8 , further comprising:

setting a beta_offset equal to a quotient of an indicated beta_offset, indicated by received downlink control information (DCI) and a scaling factor, wherein the scaling factor is greater than one in response to the second size of the LP HARQ-ACK/NACK information being less than the second predetermined number of bits.

12. The method of claim 1 , further comprising:

transmitting the uplink transmission, including the HP HARQ-ACK/NACK information, the LP HARQ-ACK/NACK information, the LP CSI part 1 , and the UL-SCH data to the HP HARQ-ACK/NACK REs, the LP HARQ-ACK/NACK REs, the LP CSI part 1 REs, and the UL-SCH REs, respectively, wherein the LP HARQ-ACK/NACK REs, the LP CSI part 1 REs, and the UL-SCH REs are rate matched around the HP HARQ-ACK/NACK REs.

13. A user equipment (UE), comprising:

a maximum of four uplink control information (UCI) encoders;

one or more memories; and

one or more processors coupled to the one or more memories, wherein the one or more processors are configured to:

obtain high priority (HP) hybrid automatic repeat request-acknowledgment/negative acknowledgment (HARQ-ACK/NACK) information, low priority (LP) HARQ-ACK/NACK information, channel state information (CSI) comprising LP CSI part 1 and LP CSI part 2 , and uplink-shared channel (UL-SCH) data, wherein the UE has the maximum of four UCI encoders;

drop the LP CSI part 2 in response to the CSI comprising the LP CSI part 1 and the LP CSI part 2 ;

map the HP HARQ-ACK/NACK information, the LP HARQ-ACK/NACK information, the LP CSI part 1 , and the UL-SCH data to one or more of each of: HP HARQ-ACK/NACK resource elements (REs), LP HARQ-ACK/NACK REs, LP CSI part 1 REs, and UL-SCH REs, respectively; and

rate match the LP HARQ-ACK/NACK REs, the LP CSI part 1 REs, and the UL-SCH REs around the HP HARQ-ACK/NACK REs, the LP HARQ-ACK/NACK REs, the LP CSI part 1 REs, and the UL-SCH REs comprising resources in an uplink transmission on a physical uplink shared channel (PUSCH).

14. The UE of claim 13 , wherein, in response to determining that a size of the LP HARQ-ACK/NACK information is less than or equal to a predetermined number of bits, the one or more processors are further configured to map the LP HARQ-ACK/NACK information to one or more reserved REs.

15. The UE of claim 14 , wherein the one or more processors are further configured to:

map the LP CSI part 1 to the LP CSI part 1 REs by being further configured to rate match the LP CSI part 1 REs around the HP HARQ-ACK/NACK REs and the one or more reserved REs; and to:

map the UL-SCH data to the UL-SCH REs by being further configured to rate match the UL-SCH REs around the HP HARQ-ACK/NACK REs and the LP CSI part 1 REs in the uplink transmission prior to mapping the LP HARQ-ACK/NACK information, including ignoring the one or more reserved REs,

wherein the mapping the LP HARQ-ACK/NACK information to the one or more reserved REs includes puncturing the LP HARQ-ACK/NACK information to the one or more reserved REs.

16. The UE of claim 13 , wherein, in response to determining that a size of the LP HARQ-ACK/NACK information is greater than a predetermined number of bits, the one or more processors are further configured to:

map the LP HARQ-ACK/NACK information to the LP HARQ-ACK/NACK REs by being further configured to rate match the LP HARQ-ACK/NACK RES around the HP HARQ-ACK/NACK REs in the uplink transmission;

map the LP CSI part 1 to the LP CSI part 1 REs by being further configured to include rate match the LP CSI part 1 REs around the HP HARQ-ACK/NACK REs and the LP HARQ-ACK/NACK REs in the uplink transmission; and

map the UL-SCH data to the UL-SCH REs by being further configured to rate match the UL-SCH REs around the HP HARQ-ACK/NACK REs, the LP HARQ-ACK/NACK REs, and the LP CSI part 1 REs in the uplink transmission.

17. The UE of claim 13 , wherein the one or more processors are further configured to:

pad the LP HARQ-ACK/NACK information to a predetermined number of bits in response to determining that a size of the LP HARQ-ACK/NACK information is less than or equal to the predetermined number of bits;

encode the padded LP HARQ-ACK/NACK information;

map the encoded padded LP HARQ-ACK/NACK information to encoded padded LP HARQ-ACK/NACK REs; and

rate match encoded padded LP HARQ-ACK/NACK REs around the HP HARQ-ACK/NACK REs in the uplink transmission.

18. The UE of claim 17 , wherein the one or more processors are further configured to:

map the LP CSI part 1 to the LP CSI part 1 by being further configured to rate match the LP CSI part 1 around the HP HARQ-ACK/NACK REs and the encoded padded LP HARQ-ACK/NACK REs in the uplink transmission; and

map the UL-SCH data to the UL-SCH REs by being further configured to rate match the UL-SCH REs around the HP HARQ-ACK/NACK REs, the encoded padded LP HARQ-ACK/NACK REs, and the LP CSI part 1 REs in the uplink transmission.

19. The UE of claim 13 , wherein, in response to determining that a size of the LP HARQ-ACK/NACK information is greater than a predetermined number of bits, the one or more processors are further configured to:

avoid padding the LP HARQ-ACK/NACK information;

map the LP HARQ-ACK/NACK information to the LP HARQ-ACK/NACK REs by being further configured to rate match the LP HARQ-ACK/NACK REs around the HP HARQ-ACK/NACK REs in the uplink transmission;

map the LP CSI part 1 to the LP CSI part 1 REs by being further configured to rate match the LP CSI part 1 REs around the HP HARQ-ACK/NACK REs and the LP HARQ-ACK/NACK REs in the uplink transmission; and

map the UL-SCH data to the UL-SCH REs by being further configured to rate match the UL-SCH REs around the HP HARQ-ACK/NACK REs, the LP HARQ-ACK/NACK REs, and the LP CSI part 1 REs in the uplink transmission.

20. The UE of claim 13 , wherein the one or more processors are further configured to:

reserve one or more reserved REs for the HP HARQ-ACK/NACK information in response to determining that a first size of the HP HARQ-ACK/NACK information is less than or equal to a first predetermined number of bits;

pad the LP HARQ-ACK/NACK information to a second predetermined number of bits in response to determining that a second size of the LP HARQ-ACK/NACK information is less than the second predetermined number of bits, and avoid padding the LP HARQ-ACK/NACK information in response to determining that the second size of the LP HARQ-ACK/NACK information is greater than or equal to the second predetermined number of bits; and

map the LP HARQ-ACK/NACK information to the LP HARQ-ACK/NACK REs by being further configured to rate match the LP HARQ-ACK/NACK REs around the one or more reserved REs for the HP HARQ-ACK/NACK information in the uplink transmission.

21. The UE of claim 20 , wherein the one or more processors are further configured to:

map the LP CSI part 1 to the LP CSI part 1 REs by being further configured to rate match the LP CSI part 1 REs around the LP HARQ-ACK/NACK REs and ignore the one or more reserved REs for the HP HARQ-ACK/NACK information in the uplink transmission;

map the UL-SCH data to the UL-SCH REs by being further configured to rate match the UL-SCH REs around at least the LP HARQ-ACK/NACK REs, and the LP CSI part 1 REs, and ignore the one or more reserved REs for the HP HARQ-ACK/NACK information in the uplink transmission; and

map the HP HARQ-ACK/NACK information to the one or more reserved REs by being further configured to puncture the LP CSI part 1 REs, the UL-SCH REs, or both the LP CSI part 1 REs and the UL-SCH REs.

22. The UE of claim 20 , wherein the one or more processors are further configured to:

avoid reserving the one or more reserved REs for the HP HARQ-ACK/NACK information in response to determining that the first size of the HP HARQ-ACK/NACK information is greater than the first predetermined number of bits;

pad the LP HARQ-ACK/NACK information with the second predetermined number of bits in response to determining that the second size of the LP HARQ-ACK/NACK information is less than the second predetermined number of bits, and avoid the padding the LP HARQ-ACK/NACK information in response to determining that the second size of the LP HARQ-ACK/NACK information is greater than or equal to the second predetermined number of bits;

map the LP HARQ-ACK/NACK information to the LP HARQ-ACK/NACK REs by being further configured to rate match the LP HARQ-ACK/NACK REs around the HP HARQ-ACK/NACK REs in the uplink transmission;

map the LP CSI part 1 to the LP CSI part 1 REs by being further configured to rate match the LP CSI part 1 REs around the HP HARQ-ACK/NACK REs and the LP HARQ-ACK/NACK REs in the uplink transmission; and

map the UL-SCH data to the UL-SCH REs by being further configured to rate match the LP CSI part 1 REs around the HP HARQ-ACK/NACK REs, the LP HARQ-ACK/NACK REs, and the LP CSI part 1 REs in the uplink transmission.

23. The UE of claim 20 , wherein the one or more processors are further configured to:

set a beta_offset equal to a quotient of an indicated beta_offset, indicated by received downlink control information (DCI) and a scaling factor, wherein the scaling factor is greater than one in response to the second size of the LP HARQ-ACK/NACK information being less than the second predetermined number of bits.

24. The UE of claim 13 , wherein the one or more processors are further configured to:

transmit the uplink transmission, including the HP HARQ-ACK/NACK information, the LP HARQ-ACK/NACK information, the LP CSI part 1 , and the UL-SCH data to the HP HARQ-ACK/NACK REs, the LP HARQ-ACK/NACK REs, the LP CSI part 1 REs, and the UL-SCH REs, respectively, wherein the LP HARQ-ACK/NACK REs, the LP CSI part 1 REs, and the UL-SCH REs are rate matched around the HP HARQ-ACK/NACK REs.

25. A method of communication at a network entity, comprising:

receiving, in an uplink transmission of a physical uplink shared channel (PUSCH), high priority (HP) hybrid automatic repeat request-acknowledgment/negative acknowledgment (HARQ-ACK/NACK) information, low priority (LP) HARQ-ACK/NACK information, channel state information (CSI) comprising LP CSI part 1 with LP CSI part 2 having been dropped, and uplink-shared channel (UL-SCH) data to each of one or more HP HARQ-ACK/NACK resource elements (REs), LP HARQ-ACK/NACK REs, LP CSI part 1 REs, and UL-SCH REs, respectively, wherein the LP HARQ-ACK/NACK REs, the LP CSI part 1 REs, and the UL-SCH REs are rate matched around the HP HARQ-ACK/NACK RES;

demapping the HP HARQ-ACK/NACK REs, the LP HARQ-ACK/NACK REs, the LP CSI part 1 REs, and the UL-SCH REs to obtain the HP HARQ-ACK/NACK information, the LP HARQ-ACK/NACK information, the LP CSI part 1 , and the UL-SCH data; and

decoding, using a maximum of four respective uplink control information (UCI) decoders, the HP HARQ-ACK/NACK information, the LP HARQ-ACK/NACK information, the LP CSI part 1 , and the UL-SCH data.

26. The method of claim 25 , wherein in response to a size of the LP HARQ-ACK/NACK information being less than or equal to a predetermined number of bits, the LP HARQ-ACK/NACK information is to one or more reserved REs.

27. The method of claim 25 , wherein in response to a size of the LP HARQ-ACK/NACK information being greater than a predetermined number of bits:

the LP HARQ-ACK/NACK information is to the LP HARQ-ACK/NACK REs and the LP HARQ-ACK/NACK REs are rate matched around the HP HARQ-ACK/NACK REs in the uplink transmission;

the LP CSI part 1 is to the LP CSI part 1 REs and the LP CSI part 1 REs are rate matched around the HP HARQ-ACK/NACK REs and the LP HARQ-ACK/NACK REs in the uplink transmission; and

the UL-SCH data is to the UL-SCH REs and the UL-SCH REs are rate matched around the HP HARQ-ACK/NACK REs, the LP HARQ-ACK/NACK REs, and the LP CSI part 1 REs in the uplink transmission.

28. A network entity, comprising:

one or more uplink control information (UCI) decoders;

one or more memories; and

one or more processors coupled to the one or more memories, wherein the one or more processors are configured to:

receive, in an uplink transmission of a physical uplink shared channel (PUSCH), high priority (HP) hybrid automatic repeat request-acknowledgment/negative acknowledgment (HARQ-ACK/NACK) information, low priority (LP) HARQ-ACK/NACK information, channel state information (CSI) comprising LP CSI part 1 with LP CSI part 2 having been dropped, and uplink-shared channel (UL-SCH) data to each or one or more HP HARQ-ACK/NACK resource elements (REs), LP HARQ-ACK/NACK REs, LP CSI part 1 REs, and UL-SCH REs, respectively, wherein the LP HARQ-ACK/NACK REs, the LP CSI part 1 REs, and the UL-SCH REs are rate matched around the HP HARQ-ACK/NACK RES;

demap the HP HARQ-ACK/NACK REs, the LP HARQ-ACK/NACK REs, the LP CSI part 1 REs, and the UL-SCH REs to obtain the HP HARQ-ACK/NACK information, the LP HARQ-ACK/NACK information, the LP CSI part 1 , and the UL-SCH data; and

decode, using a maximum of four respective uplink control information (UCI) decoders of the one or more UCI decoders, the HP HARQ-ACK/NACK information, the LP HARQ-ACK/NACK information, the LP CSI part 1 , and the UL-SCH data.

29. The network entity of claim 28 , wherein, in response to a size of the LP HARQ-ACK/NACK information being less than or equal to a predetermined number of bits, the one or more processors are further configured to:

demap the LP HARQ-ACK/NACK information from one or more reserved REs.

30. The network entity of claim 28 , wherein in response to a size of the LP HARQ-ACK/NACK information being greater than a predetermined number of bits, the one or more processors are further configured to:

demap the LP HARQ-ACK/NACK information from the LP HARQ-ACK/NACK REs that were rate matched around the HP HARQ-ACK/NACK REs in the uplink transmission;

demap the LP CSI part 1 from the LP CSI part 1 REs that were rate matched around the HP HARQ-ACK/NACK REs and the LP HARQ-ACK/NACK REs in the uplink transmission; and

demap the UL-SCH data from the UL-SCH REs that were rate match around the HP HARQ-ACK/NACK REs, the LP HARQ-ACK/NACK REs, and the LP CSI part 1 REs in the uplink transmission.