Multiple uplink configurations for multiple antenna panel transmissions
A user equipment may receive a first physical uplink shared channel (PUSCH) configuration and a second PUSCH configuration. The user equipment may transmit a first uplink communication and a second uplink communication using different antenna panels, based at least in part on the first PUSCH configuration and the second PUSCH configuration.
1. A method of wireless communication performed by a user equipment (UE), comprising:
receiving a first physical uplink shared channel (PUSCH) configuration and a second PUSCH configuration, wherein the first PUSCH configuration indicates a first control resource set (CORESET) pool index value, wherein the second PUSCH configuration indicates a second CORESET pool index value, and wherein one or more additional parameters indicated by the first PUSCH configuration are different from one or more additional parameters indicated by the second PUSCH configuration;
receiving, in a first CORESET associated with the first CORESET pool index value, first downlink control information (DCI) scheduling resources for the first uplink communication;
receiving, in a second CORESET associated with the second CORESET pool index value, second DCI scheduling resources for the second uplink communication;
transmitting the first uplink communication using a first antenna panel and according to the first PUSCH configuration based at least in part on the first PUSCH configuration indicating the first CORESET pool index value and the first CORESET, in which the first DCI for the first uplink communication is received, being associated with the first CORESET pool index value; and
transmitting the second uplink communication using a second antenna panel and according to the second PUSCH configuration based at least in part on the second PUSCH configuration indicating the second CORESET pool index value and the second CORESET, in which the second DCI for the second uplink communication is received, being associated with the second CORESET pool index value.
2. The method of claim 1 , wherein the first uplink communication is transmitted to a first transmit receive point (TRP) and the second uplink communication is transmitted to a second TRP, and
wherein the first TRP and the second TRP are associated with a same serving cell.
3. The method of claim 1 , wherein the first PUSCH configuration indicates a first data scrambling identity, and the second PUSCH configuration indicates a second data scrambling identity different from the first data scrambling identity.
4. The method of claim 1 , wherein the first PUSCH configuration indicates a first power control configuration, and the second PUSCH configuration indicates a second power control configuration different from the first power control configuration.
5. The method of claim 1 , wherein the first PUSCH configuration indicates a first modulation and coding scheme (MCS) table, and the second PUSCH configuration indicates a second MCS table different from the first MCS table.
6. The method of claim 1 , wherein the first PUSCH configuration indicates a first transform precoder indication, and the second PUSCH configuration indicates a second transform precoder indication different from the first transform precoder indication.
7. The method of claim 1 , wherein the first PUSCH configuration indicates a first codebook subset type, and the second PUSCH configuration indicates a second codebook subset type different from the first codebook subset type.
8. The method of claim 1 , wherein the first PUSCH configuration indicates a first maximum rank, and the second PUSCH configuration indicates a second maximum rank different from the first maximum rank.
9. The method of claim 1 , wherein the first PUSCH configuration indicates a first pi/2 binary phase shift keying (BPSK) indication, and the second PUSCH configuration indicates a second pi/2 BPSK indication different from the first pi/2 BPSK indication.
10. A method of wireless communication performed by a base station, comprising:
determining a first physical uplink shared channel (PUSCH) configuration and a second PUSCH configuration for a user equipment (UE), wherein the first PUSCH configuration indicates a first control resource set (CORESET) pool index value, wherein the second PUSCH configuration indicates a second CORESET pool index value, and wherein one or more additional parameters indicated by the first PUSCH configuration are different from one or more additional parameters indicated by the second PUSCH configuration;
transmitting the first PUSCH configuration and the second PUSCH configuration to the UE to enable the UE to transmit a first uplink communication and a second uplink communication using different antenna panels, based at least in part on the first PUSCH configuration and the second PUSCH configuration;
transmitting, in a first CORESET associated with the first CORESET pool index value, first downlink control information (DCI) scheduling resources for the first uplink communication, wherein the first DCI schedules the UE to transmit the first uplink communication using a first antenna panel and according to the first PUSCH configuration based at least in part on the first PUSCH configuration indicating the first CORESET pool index value and the first CORESET being associated with the first CORESET pool index value; and
transmitting, in a second CORESET associated with the second CORESET pool index value, second DCI scheduling resources for the second uplink communication, wherein the second DCI schedules the UE to transmit the second uplink communication using a second antenna panel and according to the second PUSCH configuration based at least in part on the second PUSCH configuration indicating the second CORESET pool index value and the second CORESET being associated with the second CORESET pool index value.
11. The method of claim 10 , wherein the first uplink communication is to be transmitted by the UE to a first transmit receive point (TRP) and the second uplink communication is to be transmitted by the UE to a second TRP, and
wherein the first TRP and the second TRP are associated with a same serving cell.
12. The method of claim 10 , wherein the first PUSCH configuration indicates a first data scrambling identity, and the second PUSCH configuration indicates a second data scrambling identity different from the first data scrambling identity.
13. The method of claim 10 , wherein the first PUSCH configuration indicates a first power control configuration, and the second PUSCH configuration indicates a second power control configuration different from the first power control configuration.
14. The method of claim 10 , wherein the first PUSCH configuration indicates a first modulation and coding scheme (MCS) table, and the second PUSCH configuration indicates a second MCS table different from the first MCS table.
15. The method of claim 10 , wherein the first PUSCH configuration indicates a first transform precoder indication, and the second PUSCH configuration indicates a second transform precoder indication different from the first transform precoder indication.
16. The method of claim 10 , wherein the first PUSCH configuration indicates a first codebook subset type, and the second PUSCH configuration indicates a second codebook subset type different from the first codebook subset type.
17. The method of claim 10 , wherein the first PUSCH configuration indicates a first maximum rank, and the second PUSCH configuration indicates a second maximum rank different from the first maximum rank.
18. The method of claim 10 , wherein the first PUSCH configuration indicates a first pi/2 binary phase shift keying (BPSK) indication, and the second PUSCH configuration indicates a second pi/2 BPSK indication different from the first pi/2 BPSK indication.
19. A user equipment (UE) for wireless communication, comprising:
memory; and
one or more processors coupled to the memory, the one or more processors configured to cause the UE to:
receive a first physical uplink shared channel (PUSCH) configuration and a second PUSCH configuration, wherein the first PUSCH configuration indicates a first control resource set (CORESET) pool index value, wherein the second PUSCH configuration indicates a second CORESET pool index value, and wherein one or more additional parameters indicated by the first PUSCH configuration are different from one or more additional parameters indicated by the second PUSCH configuration;
receive, in a first CORESET associated with the first CORESET pool index value, first downlink control information (DCI) scheduling resources for the first uplink communication;
receive, in a second CORESET associated with the second CORESET pool index value, second DCI scheduling resources for the second uplink communication;
transmit the first uplink communication using a first antenna panel and according to the first PUSCH configuration based at least in part on the first PUSCH configuration indicating the first CORESET pool index value and the first CORESET, in which the first DCI for the first uplink communication is received, being associated with the first CORESET pool index value; and
transmit the second uplink communication using a second antenna panel and according to the second PUSCH configuration based at least in part on the second PUSCH configuration indicating the second CORESET pool index value and the second CORESET, in which the second DCI for the second uplink communication is received, being associated with the second CORESET pool index value.
20. A base station for wireless communication, comprising:
memory; and
one or more processors coupled to the memory, the one or more processors configured to cause the base station to:
determine a first physical uplink shared channel (PUSCH) configuration and a second PUSCH configuration for a user equipment (UE), wherein the first PUSCH configuration indicates a first control resource set (CORESET) pool index value, wherein the second PUSCH configuration indicates a second CORESET pool index value, and wherein one or more additional parameters indicated by the first PUSCH configuration are different from one or more additional parameters indicated by the second PUSCH configuration;
transmit the first PUSCH configuration and the second PUSCH configuration to the UE to enable the UE to transmit a first uplink communication and a second uplink communication using different antenna panels, based at least in part on the first PUSCH configuration and the second PUSCH configuration;
transmit, in a first CORESET associated with the first CORESET pool index value, first downlink control information (DCI) scheduling resources for the first uplink communication, wherein the first DCI schedules the UE to transmit the first uplink communication using a first antenna panel and according to the first PUSCH configuration based at least in part on the first PUSCH configuration indicating the first CORESET pool index value and the first CORESET being associated with the first CORESET pool index value; and
transmit, in a second CORESET associated with the second CORESET pool index value, second DCI scheduling resources for the second uplink communication, wherein the second DCI schedules the UE to transmit the second uplink communication using a second antenna panel and according to the second PUSCH configuration based at least in part on the second PUSCH configuration indicating the second CORESET pool index value and the second CORESET being associated with the second CORESET pool index value.