Power control parameters for wireless communication
Aspects relate to identifying power control parameters for a transmission on a bandwidth part (BWP) and component carrier (CC). In some examples, a user equipment (UE) identifies power control (PC) parameters to be used for a first BWP and CC when a common set of transmission configuration indicator (TCI) states is configured for a reference BWP and CC, and where the common set of TCI states is shared at least between the reference BWP and CC and the first BWP and CC. For example, the UE may transmit a transmission using PC parameters that are identified based on a first TCI state identifier (ID) for the common set of TCI states. In some examples, a UE identifies PC parameters to be used for a BWP and CC based on whether a path loss reference signal is configured for a TCI state on a reference BWP and CC.
1 . A user equipment, comprising:
one or more memories that store processor-executable code; and
one or more processors configured to execute the processor-executable code and cause the user equipment to:
receive, from a network entity, information identifying a set of transmission configuration indicator (TCI) states configured to be shared by a plurality of bandwidth parts (BWPs) and component carriers (CCs), the plurality of BWPs and CCs including a designated reference BWP and CC;
receive, from the network entity, scheduling information for a transmission via a first BWP and CC of the plurality of BWPs and CCs, wherein the scheduling information includes a first TCI state identifier (ID) that identifies a first TCI state of the set of TCI states; and
transmit the transmission to the network entity via the first BWP and CC according to a first set of power control parameters configured for the designated reference BWP and CC for the first TCI state ID.
2 . The user equipment of claim 1 , wherein the first set of power control parameters comprise at least one of: a signal-to-noise ratio parameter, a path loss compensation factor, a closed loop index, or a combination thereof.
3 . The user equipment of claim 1 , wherein the one or more processors are further configured to execute the processor-executable code and cause the user equipment to:
identify the first set of power control parameters based on a mapping of the first TCI state ID to power control parameters specified for the reference BWP and CC.
4 . The user equipment of claim 3 , wherein:
the mapping is based on power control information included in the set of TCI states; or
the mapping is a configured mapping.
5 . The user equipment of claim 1 , wherein the set of TCI states comprises:
a first TCI state configuration associated with the first TCI state ID and associated with a second set of power control parameters; and
a second TCI state configuration associated with a second TCI state ID and associated with a third set of power control parameters.
6 . The user equipment of claim 1 , wherein the set of TCI states comprises:
a first TCI state configuration associated with the first TCI state ID and including a second set of power control parameters; and
a second TCI state configuration associated with a second TCI state ID and including a third set of power control parameters.
7 . The user equipment of claim 1 , wherein:
the scheduling information configures the first BWP and CC of the plurality of BWPs and CCs for the transmission; and
the first BWP and CC are configured to share the set of TCI states with the reference BWP and CC.
8 . The user equipment of claim 1 , wherein the first set of power control parameters comprises:
power control parameters associated with the first TCI state ID on the reference BWP and CC.
9 . The user equipment of claim 1 , wherein the one or more processors are further configured to execute the processor-executable code and cause the user equipment to:
identify a power control parameter set from a first TCI state configuration of the set of TCI states, wherein the first TCI state configuration is identified by the first TCI state ID; and
select the power control parameter set as the first set of power control parameters to use for the transmission.
10 . The user equipment of claim 1 , wherein:
the scheduling information configures the first BWP and CC of the plurality of BWPs and CCs for the transmission.
11 . The user equipment of claim 10 , wherein:
the first set of power control parameters comprises power control parameters associated with the first TCI state ID on the first BWP and CC.
12 . The user equipment of claim 10 , wherein the one or more processors are further configured to execute the processor-executable code and cause the user equipment to:
determine a first power control parameter set identifier from a first TCI state configuration of the set of TCI states, wherein the first TCI state configuration is identified by the first TCI state ID;
select a second set of power control parameters associated with the first power control parameter set identifier for the first BWP and CC; and
use the second set of power control parameters as the first set of power control parameters for the transmission.
13 . The user equipment of claim 1 , wherein the first set of power control parameters are selected for the transmission based on power control parameters being unspecified for the first BWP and CC.
14 . A method for wireless communication at a user equipment, the method comprising:
receiving, from a network entity, information identifying a set of transmission configuration indicator (TCI) states configured to be shared by a plurality of bandwidth parts (BWPs) and component carriers (CCs), the plurality of BWPs and CCs including a designated reference BWP and CC;
receiving, from the network entity, scheduling information for a transmission via a first BWP and CC of the plurality of BWPs and CCs, wherein the scheduling information includes a first TCI state identifier (ID) that identifies a first TCI state of the set of TCI states; and
transmitting the transmission to the network entity via the first BWP and CC according to a first set of power control parameters configured for the designated reference BWP and CC for the first TCI state ID.
15 . A user equipment, comprising:
one or more memories that store processor-executable code; and
one or more processors configured to execute the processor-executable code and cause the user equipment to:
receive, from a network entity, information identifying a set of transmission configuration indicator (TCI) states configured to be shared by a plurality of bandwidth parts (BWPs) and component carriers (CCs), the plurality of BWPs and CCs including a designated reference BWP and CC;
receive, from the network entity, scheduling information for a transmission via a first BWP and CC of the plurality of BWPs and CCs, wherein the scheduling information includes a first TCI state identifier (ID) that identifies a first TCI state of the set of TCI states; and
transmit the transmission to the network entity via the first BWP and CC according to a first power control parameter identified based on a configuration of a path loss reference signal (PL RS) parameter for the designated reference BWP and CC for the first TCI state ID.
16 . The user equipment of claim 15 , wherein the first power control parameter comprises a PL RS for uplink power control.
17 . The user equipment of claim 15 , wherein the one or more processors are further configured to execute the processor-executable code and cause the user equipment to:
select a first PL RS associated with a synchronization signal block (SSB) when the PL RS parameter is not configured for the first TCI state ID for the reference BWP and CC.
18 . The user equipment of claim 15 , wherein the one or more processors are further configured to execute the processor-executable code and cause the user equipment to:
select a first PL RS associated with one of the plurality of BWPs and CCs when the PL RS parameter is configured for the first TCI state ID for the reference BWP and CC.
19 . The user equipment of claim 15 , wherein:
the scheduling information configures the first BWP and CC of the plurality of BWPs and CCs for the transmission; and
the one or more processors are further configured to execute the processor-executable code and cause the user equipment to select a first PL RS associated with the first BWP and CC when the PL RS parameter is configured for the first TCI state ID for the reference BWP and CC.
20 . The user equipment of claim 19 , wherein the one or more processors are further configured to execute the processor-executable code and cause the user equipment to:
select the first PL RS associated with the first BWP and CC based on a received indicator; or
select the first PL RS associated with the first BWP and CC based on a rule.
21 . The user equipment of claim 15 , wherein the one or more processors are further configured to execute the processor-executable code and cause the user equipment to:
select a first PL RS associated with the reference BWP and CC when the PL RS parameter is configured for the first TCI state ID for the reference BWP and CC.
22 . The user equipment of claim 21 , wherein the one or more processors are further configured to execute the processor-executable code and cause the user equipment to:
select the first PL RS associated with the reference BWP and CC based on a received indicator; or
select the first PL RS associated with the reference BWP and CC based on a rule.
23 . The user equipment of claim 15 , wherein the reference BWP and CC are associated with a primary cell, a primary secondary cell, or a physical uplink control channel secondary cell.
24 . The user equipment of claim 15 , wherein the one or more processors are further configured to execute the processor-executable code and cause the user equipment to:
identify the first power control parameter based on a mapping of the first TCI state ID to power control parameters specified for the reference BWP and CC.
25 . The user equipment of claim 15 , wherein the set of TCI states comprises:
a first TCI state configuration associated with the first TCI state ID and associated with a second PL RS parameter; and
a second TCI state configuration associated with a second TCI state ID and associated with a third PL RS parameter.
26 . The user equipment of claim 15 , wherein the set of TCI states comprises:
a first TCI state configuration associated with the first TCI state ID and including a second PL RS parameter; and
a second TCI state configuration associated with a second TCI state ID and including a third PL RS parameter.
27 . The user equipment of claim 15 , wherein:
the scheduling information configures the first BWP and CC of the plurality of BWPs and CCs for the transmission; and
the first BWP and CC are configured to share the set of TCI states with the reference BWP and CC.
28 . The user equipment of claim 15 , wherein the one or more processors are further configured to execute the processor-executable code and cause the user equipment to:
identify an RS ID from a first TCI state configuration of the set of TCI states, wherein the first TCI state configuration is identified by the first TCI state ID; and
select the first power control parameter for the transmission based on the RS ID.
29 . The user equipment of claim 15 , wherein the one or more processors are further configured to execute the processor-executable code and cause the user equipment to:
determine a first RS ID from a first TCI state configuration of the set of TCI states, wherein the first TCI state configuration is identified by the first TCI state ID;
select a second power control parameter associated with the RS ID for the first BWP and CC; and
use the second power control parameter as the first power control parameter for the transmission.
30 . A method for wireless communication at a user equipment, the method comprising:
receiving, from a network entity, information identifying a set of transmission configuration indicator (TCI) states configured to be shared by a plurality of bandwidth parts (BWPs) and component carriers (CCs), the plurality of BWPs and CCs including a designated reference BWP and CC;
receiving, from the network entity, scheduling information for a transmission via a first BWP and CC of the plurality of BWPs and CCs, wherein the scheduling information includes a first TCI state identifier (ID) that identifies a first TCI state of the set of TCI states; and
transmitting the transmission to the network entity via the first BWP and CC according to a first power control parameter identified based on a configuration of a path loss reference signal (PL RS) parameter for the designated reference BWP and CC for the first TCI state ID.