Abstract: A method for wireless communication by a receiving device includes predicting with an artificial neural network, at each data block of a set of data blocks, a least complex demodulator that will achieve a goal. The predicting is based on features of a data block expected to be received at the receiving device. The method also includes dynamically selecting the least complex demodulator, from a set of demodulators with different levels of complexity, based on the features of the data block expected to be received. The method further includes demodulating the data block with the selected demodulator for the data block.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a relay may receive, from a network node and via a network node beam, a network node synchronization signal block (SSB). The relay may transmit, to a user equipment (UE) and via a relay beam, a relay SSB that is based at least in part on the network node SSB. The relay may receive, from the UE and via the relay beam, a preamble during a first random access channel (RACH) occasion that is associated with the relay SSB. The relay may transmit, to the network node and via the network node beam, the preamble during a second RACH occasion that is associated with the network node SSB. Numerous other aspects are described.

Abstract: A method of wireless communication by a receiver, includes predicting, with an artificial neural network, at each data block of a set of data blocks, a least complex set of demodulator parameters that will achieve a goal, based on features of a data block expected to be received. The method also includes dynamically selecting the least complex set of demodulator parameters, from multiple sets of demodulator parameters, based on the features of the data block expected to be received. The selecting occurring to prevent degradation of demodulation performance for each data block with the selected set of demodulator parameters for the data block, with respect to a more complex set of demodulator parameters.

Abstract: Aspects relate to assisted beam management between frequency bands that each utilize spatially directional beams. A user equipment (UE) may be configured to receive a plurality of first transmit beams on each of a plurality of first receive beams within a first frequency band to select at least one first beam pair link in the first frequency band. The UE may then receive a plurality of second transmit beams on each of a plurality of second receive beams within a second frequency band different than the first frequency band to select a second beam pair link in the second frequency band on which to communicate with a transmission and reception point. Each of the second transmit or receive beams has a respective spatial direction within a spatial direction of at least one of the first transmit or receive beams of the first beam pair links.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive downlink control information (DCI) that schedules a communication, wherein the DCI indicates information for one or more parameters of the communication using differential information associated with information included in an anchor DCI. The UE may transmit or receive the communication based at least in part on receiving the DCI. Numerous other aspects are described.

Abstract: Methods, systems, and devices for wireless communications are described. In a wireless communications system, a user equipment (UE) may be configured to use intra-message antenna selection diversity (ASD). The UE may transmit a first portion of a scheduled message within a time interval using a first antenna element of the UE based on an intra-message antenna diversity configuration. The intra-message antenna diversity configuration may indicate a set of antennas available for transmission of the scheduled message. In some cases, the UE may transmit, within the same time interval, at least a portion of the scheduled message using at least a second antenna element of the UE that is different from the first antenna element. In some cases, a receiving UE may decode the first portion and the second portion of the scheduled message based on the intra-message antenna diversity configuration.

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, a slot based at least in part on a transmit beam, wherein the slot is associated with a plurality of slot repetitions using different transmit beams. The UE may transmit, to the network node in the slot and based at least in part on a metric associated with a beam pair satisfying a threshold, feedback to early terminate remaining slot repetitions of the plurality of slot repetitions using the different transmit beams. 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 detect, via a camera of the UE, an optical beacon emitted from a network node, wherein the optical beacon is associated with a modulation with a repeated pattern that indicates an optical cell identifier associated with the network node. The UE may determine the optical cell identifier associated with the network node based at least in part on the optical beacon. The UE may communicate with the network node based at least in part on a beam association between the UE and the network node, wherein the beam association is based at least in part on the optical cell identifier associated with the network node. Numerous other aspects are described.

Abstract: Apparatus, methods, and computer-readable media are disclosed herein for orbital angular moment capability in millimeter wave and higher frequency bands. An example method for wireless communication at a first communication device includes transmitting, to a second communication device, OAM capability information indicating a capability to receive an OAM waveform. Additionally, the example method includes receiving one or more OAM transmissions from the second communication device, the one or more OAM transmissions based on the OAM capability information.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may transmit a request, for an uplink transmission or a downlink transmission, for tone reservation on one or more subchannels allocated for phase tracking reference signals (PT-RSs); and transmit the uplink transmission or receiving the downlink transmission based at least in part on the request. Numerous other aspects are provided.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may transmit an indication that the UE supports multiple input multiple output (MIMO) tone reservation. The UE may receive a MIMO communication having tone reservation applied to tone reservation (TR) subcarriers of the MIMO communication. Numerous other aspects are described.

Abstract: Methods, systems, and devices for wireless communications are described. A first device (e.g., user equipment (UE), base station) may determine a condition of a channel between the first device and a second device (e.g., UE, base station). The first device may apply pre-equalization to the signal based on one or more pre-equalization parameters. The one or more pre-equalization parameters may be based on the condition of the channel. The first device may transmit, to the second device, or a third device (e.g., UE, base station), or both, a report indicating the one or more pre-equalization parameters associated with the pre-equalized signal. The first device may transmit, to the second device, the pre-equalized signal over the channel. The second device may decode the pre-equalized signal based on the report. The third device may receive the pre-equalized signal and perform interference cancelation procedures to the pre-equalized signal based on the report.

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may report an initial capability to maintain latency conditions and a number of supported beams (e.g., a threshold number of beams the UE can support for relaying downlink communications such as synchronization signal blocks (SSBs)). A network entity may then transmit multiple SSBs directly to the repeater (e.g., on the same beam). The repeater may relay the SSBs across multiple beams to provide service to a coverage area. After relaying signaling between served UEs and the network entity, the repeater may transmit a report requesting a specific (e.g., improved or more accurate) number of beams (e.g., more beams or fewer beams than the number of SSBs initially provided). Upon receiving an updated configuration of a number of beams, the repeater may receive more SSBs on a single beam, and relay SSBs on the updated number of beams.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a repeater may receive, from a network node, a transmission configuration indication (TCI) for a plurality of synchronization signal block (SSB) beams, wherein the TCI indicates a quasi co-location (QCL) type for a spatial transmit (Tx) parameter for the plurality of SSB beams, and the QCL type for the spatial Tx parameter indicates that the plurality of SSB beams are Tx spatially correlated. The repeater may receive, from the network node, the plurality of SSB beams in accordance with the TCI, wherein the plurality of SSBs are associated with a direction of the repeater. The repeater may relay, to a user equipment (UE), the plurality of SSB beams. 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, to a network node, signaling that indicates locations of a bandwidth having capacities that satisfy a threshold. The UE may receive, from the network node and based at least in part on the signaling, an indication of tone reservation signals for application of dynamic location tone reservation for one or more uplink communications. Numerous other aspects are described.

Abstract: A lens antenna array system for wireless communication is provided that includes a transmitter having a first lens and a receiver having a second lens. The transmitter transmits a first plurality of RF signals across a plurality of near-field communication links to the receiver. Based upon a first signal quality determination at the receiver, the transmitter adjusts a plurality of gains to increase a signal quality for a second plurality of RF signals transmitted across the plurality of near-field communication links.

Abstract: This disclosure provides systems, methods, and devices for wireless communication that support short control messaging using index modulation on DMRS. In a first aspect, a method of wireless communication includes a base station determining a configuration action for a served user equipment (UE) in communication with the base station. The base station may then generate a short control message associated with the configuration action and map that short control message onto a set of inactive subcarrier resource elements (REs) of a demodulation reference signal (DMRS) sequence. The served UE may then receive the transmitted DMRS sequence and determine the short control message within the set of inactive subcarrier REs of the DMRS sequence. Other aspects and features are also claimed and described.

Abstract: Disclosed are techniques for wireless communication. In an aspect, a base station receives one or more signals indicative of a downlink compensation capability (e.g., an in-band capability to compensate for non-linear distortion, or an out-of-band capability to compensate for other FDM'd signal(s) to other UE(s), etc.) of at least one UE. The base station determines a set of downlink transmission requirements based on the downlink compensation capability of the at least one UE, and transmits data to the at least one UE in accordance with the set of downlink transmission requirements.

Abstract: Methods, systems, and devices for wireless communications are described. A wireless communication device, such as a network entity or a user equipment (UE), may transmit a message to another wireless communication device, such as a network entity, including a connection establishment request and an indication of a capability of the wireless communication device to support a value of a power efficiency threshold. The other wireless communication device may respond with signaling indicating for the wireless communication device to use a value of a power efficiency for communications between the wireless communication devices. The indication may include one or more parameters indicating the value of the power efficiency. The wireless communication devices may establish a connection in accordance with the value of the power efficiency.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may determine a set of recommended base station transmit beams for full duplex operation based at least in part on measurements of a set of base station transmit beams and measurements of self-interference associated with the set of base station transmit beams. The UE may transmit a report that indicates a recommendation to use one or more of the set of recommended base station transmit beams for full duplex operation. Numerous other aspects are described.