Abstract: An apparatus equipped with multiple antenna panels for wireless communication is provided. The apparatus receives a configuration message including a serving cell configuration and a bandwidth part configuration, wherein the serving cell configuration includes first timing advance information for a component carrier, and wherein the bandwidth part configuration includes second timing advance information for a bandwidth part of the component carrier. The apparatus transmits a first uplink signal (e.g., via a first antenna panel) to a first transmission reception point (TRP) using the bandwidth part based on at least a first timing advance value associated with the first timing advance information. The apparatus transmits a second uplink signal (e.g., via a second antenna panel) to a second TRP using the bandwidth part based on at least a second timing advance value associated with the second timing advance information.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may determine an amount of time between uplink allocations that is needed for performing frequency retuning during operation at a subcarrier spacing (SCS). The UE may perform frequency retuning in association with hopping from a first set of frequency resources, associated with transmitting a first uplink transmission, to a second set of frequency resources, associated with transmitting a second uplink transmission, during operation at the SCS, wherein the frequency retuning is performed during a set of consecutive unallocated resources determined based at least in part on the amount of time between uplink allocations that is needed for performing frequency retuning. Numerous other aspects are described.

Abstract: Certain aspects of the present disclosure provide techniques for sidelink synchronization in a network. A method that may be performed by a remote user equipment (UE) includes determining at least one synchronization priority associated with synchronization signals for synchronizing to a network, determining relay capability information associated with multiple relay UEs, selecting one relay UE of the multiple relay UEs, based on the synchronization priority and relay capability, and synchronizing to the network using at least one synchronization signal received from the selected one relay UE.

Abstract: Certain aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may determine at least one of a granularity or range of a timing adjustment value based at least in part on at least one of a timing adjustment command indicating the granularity, configuration information indicating the granularity, information regarding a communication, carrier, or band associated with the user equipment, or a combination thereof; and/or perform timing adjustment based at least in part on at least one of the granularity or the range of the timing adjustment value. Numerous other aspects are provided.

Abstract: Certain aspects of the present disclosure provide techniques for narrowband random access channel (RACH) occasions. A method that may be performed by a user equipment (UE) includes receiving, from a network entity, a configuration indicating one or more frequency resources for a RACH procedure, wherein the one or more frequency resources are arranged within a set of frequency resources allocated for RACH transmissions. The method further includes performing the RACH procedure based at least in part on the configuration.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may detect a first condition of the UE. The UE may perform one or more actions associated with coverage enhancement based at least in part on a measure of similarity between the first condition of the UE and a second condition of the UE associated with a past beam failure event. Numerous other aspects are described.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may transmit an indication of a physical downlink control channel (PDCCH) monitoring capability that indicates an amount of time between two consecutive PDCCH monitoring windows, a number of slots to be included in a PDCCH monitoring window, and a number of consecutive symbols in a slot to be associated with PDCCH monitoring. The UE may receive a PDCCH monitoring configuration that is based at least in part on the PDCCH monitoring capability. Numerous other aspects are described.

Abstract: This disclosure provides systems, methods, and apparatuses for a wireless node to receive a phase tracking reference signal (PTRS) transmitted inside a downlink random access channel (RACH) message. The wireless node may receive a downlink RACH message that includes a PTRS based on an indication received in a downlink RACH message or a physical downlink control channel (PDCCH) associated with a downlink RACH message. In some aspects, the wireless node may utilize the PTRS for phase error correction or frequency error correction (such as frequency error caused by Doppler effects). This disclosure also provides systems, methods, and apparatuses for a component of a base station to provide an indication that a PTRS is included in a downlink RACH message. The indication may be provided in a downlink RACH message or a PDCCH associated with a downlink RACH message.

Abstract: Code block group (CBG) transmission indications for communications configured with multiple transmission time interval (TTI) grants is disclosed. Where multiple TTIs are configured for CBG transmission, the base station may select to signal CBG transmission indications and/or transport block (TB)-level new data indicator (NDI) for each of the configured TTIs along with an index of the TTIs that CBG transmission indicators are sent for. The base station may select to add one or more CBG transmission indications based on the predetermined payload size of the transmission indication signal of the physical downlink control channel (PDCCH).

Abstract: Methods, systems, and devices for wireless communications are described. The method may involve a user equipment (UE) utilizing beam sweeping during a random access procedure to determine an uplink beam for subsequent communication with a base station. The UE may transmit a first message indicating a random access preamble for a random access procedure and a plurality of reference signals using a set of directional beams. The base station may receive the reference signals or information related to the reference signals and transmit a second message indicating a directional beam of the set of directional beams and a set of resources. Upon receiving the second message, the UE may transmit the third message over the set of resources using the indicated directional beam.

Abstract: Aspects of the present disclosure relate to wireless communications, and more particularly, to techniques for determining a default uplink beam to use for at least one configured uplink resource before receiving an uplink beam configuration, such as in New Radio multi-input multi-output applications.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, from a network node and prior to transmission of a radio resource control (RRC) connection request message, a phase tracking reference signal (PTRS) indication that indicates a presence of a PTRS. The UE may transmit the RRC connection request message comprising the PTRS based at least in part on the PTRS indication. Numerous other aspects are described.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a first wireless node may transmit, to a second wireless node, a cross-link interference (CLI) management configuration message including a permutation indicator, wherein the permutation indicator indicates that an order of slot formats is an uplink-flexible-downlink order of slot formats or indicates that the order of slot formats is a downlink-flexible-uplink order of slot formats; and communicate with one or more third wireless nodes in accordance with the order of slot formats indicated to the second wireless node. Numerous other aspects are provided.

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive a mapping between a set of synchronization signal block resources and a set of operating frequencies within a frequency band. The UE may identify a parameter of a synchronization signal block based on an operating frequency of the set of operating frequencies for conveying the synchronization signal block and a direction of a beam for conveying the synchronization signal block. The parameter may include an index of the synchronization signal block. The UE may monitor for the synchronization signal block based on the identified parameter.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive an indication of an alternative configuration associated with demodulation reference signals (DMRSs) for one or more repetitions of a physical downlink control channel (PDCCH) communication associated with a random access response message. The UE may receive at least one repetition of the PDCCH communication that includes a DMRS that uses the alternative configuration. Numerous other aspects are provided.

Abstract: Methods, systems, and devices for wireless communications are described. A network entity may apply pseudo-noise signals to repetitions of a first signal to obtain a set of second signals and transmit each of the set of second signals to a user equipment (UE) during a respective set of different time intervals. Each of the pseudo-noise signals may be associated with a gain and phase parameter, and may be based on a channel state information (CSI) associated with a channel for communications with the UE over the respective time interval. Each gain parameter may cause a power level of the pseudo-noise signal to be within a defined range, and a gain and phase parameter associated with a pseudo-noise signal applied to a subsequent repetition of the first signal may be based on another gain and phase parameter associated with another phase-noise signal applied to a previous repetition of the first signal.

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive a synchronization signal block (SSB) including a physical layer cell identifier (PCI), where one or more resource elements carrying the SSB overlap with resource elements carrying a downlink shared channel associated with another PCI. The PCIs may be for a serving cell or another cell, such as a non-serving cell. The UE may also receive one or more demodulation reference signals (DMRSs) in the one or more resource elements in the downlink shared channel. The UE may determine whether overlap is permitted between the resource elements by comparing the PCIs of the SSB and the downlink shared channel. In some examples, once the UE determines whether resource element overlap is permitted, the UE may process the DMRSs.

Abstract: Apparatus, methods, and computer program products for dynamic switching between different UL timings for mDCI mTRP are provided. An example method may include receiving, from a network entity, a first timing advance (TA) group (TAG) configuration. The example method may further include receiving, from the network entity, a second TAG configuration. The example method may further include applying the first TAG configuration or the second TAG configuration based on a dynamic switch configuration representing a UL transmission alignment or non-alignment for a first TRP associated with the network entity or a second TRP associated with the network entity.

Abstract: Certain aspects of the present disclosure provide techniques for configuring default system information for different network types. An example method, performed by a user equipment (UE), may include obtaining information indicating which set of default parameters, from two or more different sets of default parameters associated with different network types, to use for performing a random access channel (RACH) procedure and performing the RACH procedure with a network entity using the indicated set of default parameters.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a transmitter device may transmit, to each receiver device of a plurality of receiver devices communicating with the transmitter device over a wideband channel using frequency division multiplexing, an indication of a bandwidth portion of the wideband channel to be used by the receiver device for performing measurements associated with a non-linear model of the transmitter device. The transmitter device may transmit, to each receiver device of the plurality of receiver devices, one or more wideband reference signals associated with training the non-linear model. The transmitter device may receive a plurality of digital pre-distortion (DPD) coefficients, obtain a set of DPD coefficients based at least in part on combining the plurality of DPD coefficients, and perform DPD processing in accordance with the set of DPD coefficients. Numerous other aspects are described.