Enhanced user equipment assistance information message
A user equipment (UE) may request to change its radio resource control (RRC) parameters by transmitting a UE assistance information message to a base station. However, the existing RRC parameters that a UE may request to change via a UE assistance information message may not be inadequate for some UEs and may cause a high signaling overhead. The aspects described herein include an apparatus that obtains configuration information for a UE assistance information message, the configuration information indicating a set of parameters the apparatus is allowed to indicate in the UE assistance information message, the set of parameters including at least one of an operation complexity control parameter, a network coverage control parameter, or a channel monitoring control parameter. The apparatus transmits the UE assistance information message, wherein the UE assistance information message is based on at least a portion of the set of parameters.
1. An apparatus for wireless communication, comprising:
a memory; and
at least one processor coupled to the memory and configured to:
obtain configuration information for a user equipment (UE) assistance information message, the configuration information indicating a set of parameters the apparatus is allowed to indicate in the UE assistance information message, the set of parameters including at least one of an operation complexity control parameter, a network coverage control parameter, or a channel monitoring control parameter;
transmit the UE assistance information message to a base station, wherein the UE assistance information message is based on at least a portion of the set of parameters;
receive, from the base station, a radio resource control (RRC) reconfiguration message based on the UE assistance information message based on at least the portion of the set of parameters; and
perform one or more operations based on the RRC reconfiguration message.
2. The apparatus of claim 1 , wherein the configuration information further indicates a plurality of profiles based on the set of parameters, and wherein each of the plurality of profiles is associated with a different index value.
3. The apparatus of claim 2 , wherein at least two of the plurality of profiles includes a subset of the set of parameters and a unique combination of values for the subset of the set of parameters.
4. The apparatus of claim 2 , wherein the plurality of profiles contains at least
a first profile including a first subset of the set of parameters and a first set of values for the first subset of the set of parameters; and
a second profile including a second subset of the set of parameters and a second set of values for the second subset of the set of parameters.
5. The apparatus of claim 2 , wherein the UE assistance information message includes an index value of one of the plurality of profiles based on a performance objective of the apparatus.
6. The apparatus of claim 2 , wherein the UE assistance information message includes a request to add a new parameter to at least one of the plurality of profiles or to add a new profile to the plurality of profiles.
7. The apparatus of claim 2 , wherein the UE assistance information message includes a request to change a value of at least one parameter of a profile in the plurality of profiles.
8. The apparatus of claim 1 , wherein the UE assistance information message includes a request to set a value for a parameter in the set of parameters, wherein the value serves as a request for an activation or deactivation of a feature of the apparatus.
9. The apparatus of claim 8 , wherein the feature is a control channel monitoring operation or an uplink transmission on one or more carriers.
10. The apparatus of claim 1 , wherein the operation complexity control parameter is a parameter for indicating a number of activated transmission configuration indicator (TCI) states for a downlink control channel and a downlink shared channel, a parameter for indicating a scheduling offset granularity, a parameter for indicating a concurrent scheduling configuration, a parameter for indicating a half-duplex slot format, a parameter for indicating a bandwidth part (BWP) index, a parameter for enabling or disabling a use of positioning information for beam management or interference management.
11. The apparatus of claim 1 , wherein the operation complexity control parameter is a parameter for enabling or disabling a use of mobility information or speed information for at least one of a handover operation, a closed-loop timing control operation, a power control operation, a resource allocation, a physical layer measurement, or a radio resource control layer measurement.
12. The apparatus of claim 1 , wherein the network coverage control parameter is a parameter for indicating a coverage level for at least one of a downlink signal or an uplink signal, a parameter for indicating a coverage enhancement scheme, or a parameter for indicating a loss of antenna efficiency resulting from a reduced form factor of the apparatus.
13. The apparatus of claim 1 , wherein the channel monitoring control parameter is a parameter for indicating an aggregation level for the apparatus to process, a parameter for indicating a maximum number of resource block (RB) segments for a control resource set (CORESET) and for overlapping CORESETs, a parameter for indicating a number of CORESETs for a bandwidth part (BWP), a parameter for indicating a number of downlink control information (DCI) sizes for a slot and across slots, a parameter for indicating a preferred number of downlink control information (DCI) formats configured for each of a search space set, a parameter for indicating a number of buffered downlink DCI messages and/or uplink DCI messages, or a parameter for indicating a minimum application delay in a symbol or a slot for a slot format indicator (SFI) downlink control channel.
14. The apparatus of claim 1 , wherein the channel monitoring control parameter is a parameter for indicating a number of blind decodes in a slot for a control channel, a parameter for indicating a number of control channel elements (CCEs) for each slot of a control channel, a parameter for indicating a number of common search spaces for a bandwidth part (BWP), a parameter for indicating a preferred number of search spaces associated with the apparatus for the bandwidth part (BWP), a parameter for indicating a minimum periodicity for common search spaces, or a parameter for indicating a minimum periodicity for the search spaces associated with the apparatus.
15. A method of wireless communication for a user equipment (UE) comprising:
obtaining configuration information for a UE assistance information message, the configuration information indicating a set of parameters the UE is allowed to indicate in the UE assistance information message, the set of parameters including at least one of an operation complexity control parameter, a network coverage control parameter, or a channel monitoring control parameter;
transmitting the UE assistance information message to a base station, wherein the UE assistance information message is based on at least a portion of the set of parameters;
receiving, from the base station, a radio resource control (RRC) reconfiguration message based on the UE assistance information message; and
performing one or more operations based on the RRC reconfiguration message.
16. The method of claim 15 , wherein the configuration information further indicates a plurality of profiles based on the set of parameters, and wherein each of the plurality of profiles is associated with a different index value.
17. The method of claim 16 , wherein at least two of the plurality of profiles includes a subset of the set of parameters and a unique combination of values for the subset of the set of parameters.
18. The method of claim 16 , wherein the plurality of profiles contains at least
a first profile including a first subset of the set of parameters and a first set of values for the first subset of the set of parameters; and
a second profile including a second subset of the set of parameters and a second set of values for the second subset of the set of parameters.
19. The method of claim 16 , wherein the UE assistance information message includes an index value of one of the plurality of profiles based on a performance objective of the UE.
20. The method of claim 16 , wherein the UE assistance information message includes
a request to add a new parameter to at least one of the plurality of profiles or to add a new profile to the plurality of profiles.
21. The method of claim 16 , wherein the UE assistance information message includes a request to change a value of at least one parameter of a profile in the plurality of profiles.
22. The method of claim 15 , wherein the operation complexity control parameter is a parameter for indicating a number of activated transmission configuration indicator (TCI) states for a downlink control channel and a downlink shared channel, a parameter for indicating a scheduling offset granularity, a parameter for indicating a concurrent scheduling configuration, a parameter for indicating a half-duplex slot format, a parameter for indicating a bandwidth part (BWP) index, a parameter for enabling or disabling a use of positioning information for beam management or interference management.
23. The method of claim 15 , wherein the operation complexity control parameter is a parameter for enabling or disabling a use of mobility information or speed information for at least one of a handover operation, a closed-loop timing control operation, a power control operation, a resource allocation, a physical layer measurement, or a radio resource control layer measurement.
24. The method of claim 15 , wherein the network coverage control parameter is a parameter for indicating a coverage level for at least one of a downlink signal or an uplink signal, a parameter for indicating a coverage enhancement scheme, or a parameter for indicating a loss of antenna efficiency resulting from a reduced form factor of the UE.
25. The method of claim 15 , wherein the channel monitoring control parameter is a parameter for indicating an aggregation level for the UE to process, a parameter for indicating a maximum number of resource block (RB) segments for a control resource set (CORESET) and for overlapping CORESETs, a parameter for indicating a number of CORESETs for a bandwidth part (BWP), a parameter for indicating a number of downlink control information (DCI) sizes for a slot and across slots, a parameter for indicating a preferred number of downlink control information (DCI) formats configured for each of a search space set, a parameter for indicating a number of buffered downlink DCI messages and/or uplink DCI messages, or a parameter for indicating a minimum application delay in a symbol or a slot for a slot format indicator (SFI) downlink control channel.
26. The method of claim 15 , wherein the channel monitoring control parameter is a parameter for indicating a number of blind decodes in a slot for a control channel, a parameter for indicating a number of control channel elements (CCEs) for each slot of a control channel, a parameter for indicating a number of common search spaces for a bandwidth part (BWP), a parameter for indicating a preferred number of search spaces associated with the UE for the bandwidth part (BWP), a parameter for indicating a minimum periodicity for common search spaces, or a parameter for indicating a minimum periodicity for the search spaces associated with the UE.
27. An apparatus for wireless communication, comprising:
means for obtaining configuration information for a user equipment (UE) assistance information message, the configuration information indicating a set of parameters the apparatus is allowed to indicate in the UE assistance information message, the set of parameters including at least one of an operation complexity control parameter, a network coverage control parameter, or a channel monitoring control parameter;
means for transmitting the UE assistance information message to a base station, wherein the UE assistance information message is based on at least a portion of the set of parameters;
means for receiving, from the base station, a radio resource control (RRC) reconfiguration message based on the UE assistance information message; and
means for performing one or more operations based on the RRC reconfiguration message.
28. A non-transitory computer-readable medium storing computer executable code, the code when executed by a processor cause the processor to:
obtain configuration information for a user equipment (UE) assistance information message, the configuration information indicating a set of parameters a user equipment (UE) is allowed to indicate in the UE assistance information message, the set of parameters including at least one of an operation complexity control parameter, a network coverage control parameter, or a channel monitoring control parameter;
transmit the UE assistance information message to a base station, wherein the UE assistance information message is based on at least a portion of the set of parameters;
receive, from the base station, a radio resource control (RRC) reconfiguration message based on the UE assistance information message; and
perform one or more operations based on the RRC reconfiguration message.