Signaling of PUCCH and PUSCH simultaneous transmission or multiplexing
Apparatus, methods, and computer-readable media for facilitating signaling of PUCCH and PUSCH simultaneous transmission or multiplexing are disclosed herein. An example method for wireless communication at a UE includes receiving, from a base station, an overlapping uplink transmission configuration. The example method also includes detecting an occurrence of an overlapping uplink transmission comprising at least a portion of uplink control information and at least a portion of uplink data overlapping in a time domain. Additionally, the example method includes transmitting at least one of the uplink control information or the uplink data based on the overlapping uplink transmission configuration.
1. A method of wireless communication at a user equipment (UE), comprising:
receiving, from a base station, an overlapping uplink transmission configuration;
detecting an occurrence of an overlapping uplink transmission comprising at least a portion of uplink control information and at least a portion of uplink data overlapping in a time domain; and
transmitting at least one of the uplink control information or the uplink data based on the overlapping uplink transmission configuration,
wherein the UE is a first UE type or a second UE type,
wherein the first UE type is capable of applying a simultaneous overlapping uplink transmission mode and a non-simultaneous overlapping uplink transmission mode on the overlapping uplink transmission and the second UE type is capable of applying the non-simultaneous overlapping uplink transmission mode on the overlapping uplink transmission,
wherein the UE is (i) the first UE type and the overlapping uplink transmission configuration configures the UE to apply the simultaneous overlapping uplink transmission mode or the non-simultaneous overlapping uplink transmission mode on the overlapping uplink transmission or (ii) the second UE type and the overlapping uplink transmission configuration configures the UE to apply the non-simultaneous overlapping uplink transmission mode on the overlapping uplink transmission.
2. The method of claim 1 , further comprising:
transmitting, to the base station, a capability report indicating that the UE is the first UE type or the second UE type.
3. The method of claim 2 , wherein the UE is the first UE type and the overlapping uplink transmission configuration configures the UE to apply the simultaneous overlapping uplink transmission mode on the overlapping uplink transmission.
4. The method of claim 3 , wherein the UE applies the simultaneous overlapping uplink transmission mode on the overlapping uplink transmission by transmitting the uplink control information using a first component carrier (CC) and by transmitting the uplink data using a second CC.
5. The method of claim 2 , wherein the UE is the first UE type and the overlapping uplink transmission configuration configures the UE to apply the non-simultaneous overlapping uplink transmission mode on the overlapping uplink transmission.
6. The method of claim 5 , wherein the UE applies the non-simultaneous overlapping uplink transmission mode on the overlapping uplink transmission by:
multiplexing the uplink control information on to the uplink data; and
transmitting the uplink data with the multiplexed uplink control information.
7. The method of claim 5 , wherein the UE applies the non-simultaneous overlapping uplink transmission mode on the overlapping uplink transmission by:
modifying the overlapping uplink transmission based on a first priority of the uplink control information and a second priority of the uplink data; and
transmitting the modified overlapping uplink transmission.
8. The method of claim 7 , wherein the UE modifies the overlapping uplink transmission by:
multiplexing the uplink control information on to the uplink data when the first priority and the second priority are equal;
dropping the uplink control information when the first priority is lower than the second priority; and
dropping the uplink data when the second priority is lower than the first priority.
9. The method of claim 2 , wherein the UE is the second UE type and the overlapping uplink transmission configuration configures the UE to apply the non-simultaneous overlapping uplink transmission mode on the overlapping uplink transmission.
10. The method of claim 2 , wherein the UE transmits the capability report after performing a random access channel (RACH) procedure.
11. The method of claim 1 , wherein the UE receives the overlapping uplink transmission configuration via at least one of radio resource control (RRC) signaling, a medium access control-control element (MAC-CE), or downlink control information (DCI).
12. An apparatus for wireless communication at a user equipment (UE), comprising:
memory; and
at least one processor coupled to the memory, the at least one processor configured to:
receive, from a base station, an overlapping uplink transmission configuration;
detect an occurrence of an overlapping uplink transmission comprising at least a portion of uplink control information and at least a portion of uplink data overlapping in a time domain; and
transmit at least one of the uplink control information or the uplink data based on the overlapping uplink transmission configuration,
wherein the UE is a first UE type or a second UE type,
wherein the first UE type is capable of applying a simultaneous overlapping uplink transmission mode and a non-simultaneous overlapping uplink transmission mode on the overlapping uplink transmission and the second UE type is capable of applying the non-simultaneous overlapping uplink transmission mode on the overlapping uplink transmission,
wherein the UE is (i) the first UE type and the overlapping uplink transmission configuration configures the UE to apply the simultaneous overlapping uplink transmission mode or the non-simultaneous overlapping uplink transmission mode on the overlapping uplink transmission or (ii) the second UE type and the overlapping uplink transmission configuration configures the UE to apply the non-simultaneous overlapping uplink transmission mode on the overlapping uplink transmission.
13. The apparatus of claim 12 , wherein the at least one processor is further configured to:
transmit, to the base station, a capability report indicating that the UE is the first UE type or the second UE type.
14. The apparatus of claim 13 , wherein the UE is the first UE type, the at least one processor configured to apply the simultaneous overlapping uplink transmission mode on the overlapping uplink transmission based on the overlapping uplink transmission configuration.
15. The apparatus of claim 14 , wherein to apply the simultaneous overlapping uplink transmission mode on the overlapping uplink transmission, the at least one processor is configured to transmit the uplink control information using a first component carrier (CC) and by transmitting the uplink data using a second CC.
16. The apparatus of claim 13 , wherein the UE is the first UE type, the at least one processor configured to apply the non-simultaneous overlapping uplink transmission mode on the overlapping uplink transmission based on the overlapping uplink transmission configuration.
17. The apparatus of claim 16 , wherein to apply the non-simultaneous overlapping uplink transmission mode on the overlapping uplink transmission, the at least one processor is configured to:
multiplex the uplink control information on to the uplink data; and
transmit the uplink data with the multiplexed uplink control information.
18. The apparatus of claim 16 , wherein to apply the non-simultaneous overlapping uplink transmission mode on the overlapping uplink transmission, the at least one processor is configured to:
modify the overlapping uplink transmission based on a first priority of the uplink control information and a second priority of the uplink data; and
transmit the modified overlapping uplink transmission.
19. A method of wireless communication at a base station, comprising:
transmitting, to a user equipment (UE), an overlapping uplink transmission configuration; and
receiving, from the UE, an uplink transmission based at least in part on the overlapping uplink transmission configuration,
wherein the UE is a first UE type or a second UE type,
wherein the first UE type is capable of applying a simultaneous overlapping uplink transmission mode and a non-simultaneous overlapping uplink transmission mode on an overlapping uplink transmission and the second UE type is capable of applying the non-simultaneous overlapping uplink transmission mode on the overlapping uplink transmission,
wherein the UE is (i) the first UE type and the base station transmits the overlapping uplink transmission configuration to configure the UE to apply the simultaneous overlapping uplink transmission mode or the non-simultaneous overlapping uplink transmission mode on the overlapping uplink transmission or (ii) the second UE type and the base station transmits the overlapping uplink transmission configuration to configure the UE to apply the non-simultaneous overlapping uplink transmission mode on the overlapping uplink transmission.
20. The method of claim 19 , further comprising:
receiving, from the UE, a capability report indicating that the UE is the first UE type or the second UE type.
21. The method of claim 20 , wherein the base station transmits the overlapping uplink transmission configuration to configure the UE to apply the simultaneous overlapping uplink transmission mode on occurrences of overlapping uplink transmissions when the capability report indicates that the UE is the first UE type.
22. The method of claim 21 , wherein receiving the uplink transmission comprises:
receiving uplink control information using a first component carrier (CC); and
receiving uplink data using a second CC, wherein the uplink control information and the uplink data are overlapping in a time-domain.
23. The method of claim 20 , wherein the base station transmits the overlapping uplink transmission configuration to configure the UE to apply the non-simultaneous overlapping uplink transmission mode on occurrences of overlapping uplink transmissions when the capability report indicates that the UE is the first UE type.
24. The method of claim 23 , wherein receiving the uplink transmission comprises receiving uplink data multiplexed with uplink control information.
25. The method of claim 23 , wherein receiving the uplink transmission comprises at least one of:
receiving uplink data multiplexed with uplink control information when a first priority associated with the uplink control information and a second priority associated with the uplink data are equal;
receiving the uplink data when the first priority is lower than the second priority; and
receiving the uplink control information when the second priority is lower than the first priority.
26. The method of claim 20 , wherein the base station receives the capability report after performing a random access channel (RACH) procedure.
27. The method of claim 20 , wherein the base station transmits the overlapping uplink transmission configuration to configure the UE to apply the non-simultaneous overlapping uplink transmission mode on occurrences of overlapping uplink transmissions when the capability report indicates that the UE is the second UE type.
28. The method of claim 19 , wherein the base station transmits the overlapping uplink transmission configuration using at least one of radio resource control (RRC) signaling, a medium access control-control element (MAC-CE), or downlink control information (DCI).
29. An apparatus for wireless communication at a base station, comprising:
memory; and
at least one processor coupled to the memory, the memory and the at least one processor configured to:
transmit, to a user equipment (UE), an overlapping uplink transmission configuration; and
receive, from the UE, an uplink transmission based at least in part on the overlapping uplink transmission configuration,
wherein the UE is a first UE type or a second UE type,
wherein the first UE type is capable of applying a simultaneous overlapping uplink transmission mode and a non-simultaneous overlapping uplink transmission mode on an overlapping uplink transmission and the second UE type is capable of applying the non-simultaneous overlapping uplink transmission mode on the overlapping uplink transmission,
wherein the UE is (i) the first UE type and the base station is configured to transmit the overlapping uplink transmission configuration to configure the UE to apply the simultaneous overlapping uplink transmission mode or the non-simultaneous overlapping uplink transmission mode on the overlapping uplink transmission or (ii) the second UE type and the base station is configured to transmit the overlapping uplink transmission configuration to configure the UE to apply the non-simultaneous overlapping uplink transmission mode on the overlapping uplink transmission.
30. The apparatus of claim 29 , wherein the at least one processor is further configured to:
receive, from the UE, a capability report indicating that the UE is the first UE type or the second UE type.
31. The apparatus of claim 30 , wherein the at least one processor is further configured to:
configure the UE with the overlapping uplink transmission configuration in accordance with the capability report indicating that the UE is the first UE type or the second UE type.
32. The method of claim 19 , further comprising:
configuring the UE with the overlapping uplink transmission configuration in accordance with the capability report indicating that the UE is the first UE type or the second UE type.