Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may generate a proxy model to be used for monitoring a UE model, the proxy model being configured to receive an input that corresponds to an input of the UE model, an intermediate result associated with the UE model, or an output of the UE model, and being configured to generate an output that corresponds to a system performance metric, an intermediate key performance indicator, or a prediction of reconstructed channel state information obtained by a network model. The UE may monitor the UE model using the proxy model. The UE may selectively transmit, to a network node, a report associated with monitoring the UE model using the proxy model. Numerous other aspects are described.

Abstract: A user equipment (UE) may receive a configuration of at least one of scheduling request (SR) resources or physical uplink control channel (PUCCH) resources, wherein the configuration indicates at least one of: a first SR resource having a first format and a first repetition-factor and a second SR resource having the first format and a second repetition-factor; or a first PUCCH resource having a second format and a third repetition-factor and a second PUCCH resource having the second format and a fourth repetition-factor; and may transmit at least one of: a first SR via the first SR resource according to the first repetition-factor; a second SR via the second SR resource according to the second repetition-factor; a first PUCCH via the first PUCCH resource according to the third repetition-factor; or a second PUCCH via the second PUCCH resource according to the fourth repetition-factor.

Abstract: Disclosed are systems, apparatuses, processes, and computer-readable media to wireless communication using machine learning (ML) models. A method of wireless communication includes determining capability information associated with at least one feature group, at least one identifier associated with one or more machine learning (ML) models, and at least one set of channel state information reference signal (CSI-RS) capabilities of the UE; transmitting the capability information to a network entity; and receiving a CSI report configuration comprising an identifier of the at least one identifier.

Abstract: Certain aspects of the present disclosure provide techniques for preparing datasets for training machine learning based models in wireless communications. An example method for wireless communications performed by a node includes obtaining a dataset; preparing the dataset for training a machine learning (ML) model by applying a data preparation function to entries of the dataset; and providing the prepared dataset for training the ML model.

Abstract: Methods, systems, and devices for wireless communication are described. A user equipment (UE) may receive a control message that indicates a set of parameters for reporting a compressed representation of coefficients for a precoding matrix. The coefficients may correspond to multiple downlink subbands associated with subband full-duplex (SBFD) operations. The UE may generate a report that indicates the compressed representation of the coefficients. The report may be generated in accordance with the set of parameters and a mapping rule. The mapping rule may be based on a quantity of parts included in the report. The UE may transmit the report.

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may identify a cell measurement supported by the UE, the cell measurement associated with the UE supporting channel state information measurements of a dormant secondary cell in a cell group. The UE may receive a downlink control information triggering channel state information reference signal measurements for a set of cells in the cell group, the set of cells comprising the dormant secondary cell. The UE may perform, based at least in part on the downlink control information, the channel state information reference signal measurements on one or more cells in the set of cells according to the cell measurement supported by the UE to identify channel state information for each of the one or more cells.

Abstract: Certain aspects of the present disclosure provide techniques for providing power consistency in uplink demodulation reference signal (DMRS) bundling. A method that may be performed by a user equipment (UE) includes identifying that a first uplink transmission having DMRS bundling overlaps in time with a second uplink transmission in one or more transmission occasions. The method also includes allocating, in response to the identification, a transmit power among the first uplink transmission and the second uplink transmission at the one or more transmission occasions based on the first uplink transmission having the DMRS bundling. The method further includes transmitting at least one of the first uplink transmission or the second uplink transmission in the one or more transmission occasions at the allocated transmit power.

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive a configuration message from a base station, and the configuration message may include an indication of one or more partial bands for channel state information reporting. Each partial band of the one or more partial bands may be less than a system bandwidth and include a plurality of frequency domain units associated with a precoder. The UE may select one or more antenna ports for each partial band of the one or more partial bands based on the configuration message and calculate channel state information including a linear combination of the selected one or more antenna ports for each partial band. The UE may transmit the channel state information including an indication of the selected antenna ports and linear combination coefficients for each partial band of the one or more partial bands.

Abstract: Aspects of the disclosure relate to the generation of channel state reports and precoding a wireless transmission based on frequency division duplex (FDD) reciprocity. A base station (BS) uses at least two precoders to transmit signals to A user equipment (UE). The UE generates a set of channel state reports, in which the UE transmits a first set of channel coefficients using a first timing, a set of port attributes using a second timing, and a second set of channel coefficients using a third timing. The first set of channel coefficients correspond to a first precoded portion of the wireless transmission, and the set of port attributes and the second set of channel coefficients correspond to a second portion of the wireless transmission. The BS modifies at least one of the precoders based on the channel state reports. Other aspects, embodiments, and features are also claimed and described.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may determine a transmission of a channel status information (CSI) report based at least in part on receiving a CSI request via PDCCH repetitions, based at least in part on transmitting the CSI report via PUCCH repetitions, or based at least in part on transmitting the CSI report via PUSCH repetitions. The UE may determine, based at least in part on the determined transmission of the CSI report, CSI processing criteria including one or more of a CSI processing timeline, a CSI processing unit occupation duration, a resource and port occupation duration, or a CSI reference resource slot. The UE may selectively transmit the CSI report based at least in part on the determined CSI processing criteria. Numerous other aspects are described.

Abstract: Port selection codebook enhancements are disclosed for spatial and frequency domain density (FDD) reciprocity. A base station may generate and signal a channel state information (CSI) report configuration including configuration of multiple CSI-reference signal (CSI-RS) port groups, wherein each group includes one or more CSI-RS ports, and each group is associated with one or more codebook subset restrictions (CBSRs). Using the configured restrictions of the CBSRs, served user equipments (UEs) may determine linear combination coefficient feedback based on channel measurements of selected port groups and signals the feedback to the base station. Once the base station receives the feedback it may then determine a hybrid CSI-RS codebook using both the configured CSI-RS port groups and the linear combination coefficients. The base station may then transmit downlink data encoded with a precoding matrix selected from the codebook. Other aspects and features are also claimed and described.

Abstract: Certain aspects of the present disclosure provide techniques for channel state information (CSI) reporting with frequency domain (FD) compression. A method that can be performed by a user equipment (UE) includes determining the size of the intermediate set based on one or more parameters included in the CSI report configuration, determining one or more FD bases for each layer based on the intermediate set, wherein the one or more FD bases are characterized by an M value indicative of a number of the one or more FD bases and based on the CSI report configuration, and reporting the one or more FD bases for each layer based on the size of the intermediate set.

Abstract: Methods, systems, and devices for wireless communications are described. A receiving device may receive, from a transmitting device, a configuration indicating a set of orbital angular momentum (OAM) modes for joint reporting, where at least one of the set of OAM modes is associated with transmission via two or more of a plurality of sets of antennas arranged in a set of concentric circular arrays. The receiving device may transmit, to the transmitting device, a report indicating precoding information for each of at least a subset of the set of OAM modes, where the precoding information includes one or more first parameters common to the set of OAM modes and one or more second parameters for respective ones of the at least the subset of the set of OAM modes.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may evaluate the plurality of hypotheses based at least in part on the set of power control offset ratios and on a set of evaluation metrics to select at least one of the plurality of hypotheses. Numerous other aspects are provided.

Abstract: A device may receive, from a base station, a channel state information (CSI) reference signal on at least one of a first set of frequency units or a first set of antenna ports. The first set of frequency units or the first set of antenna ports may include less than all available frequency units or less than all available antenna ports. The device may generate a CSI based on the CSI reference signal and transmit information associated with the CSI on a second set of frequency units or a second set of antenna ports for use in reconstructing the CSI on a third set of frequency units or a third set of antenna ports. The second set of frequency units or the second set of antenna ports may include less than all available frequency units or less than all available antenna ports.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may determine a transport block size based at least in part on a set of physical uplink shared channel resources corresponding to a set of physical uplink shared channel repetitions that are indicated to be transmitted over at least one repetition unit in accordance with a frequency hopping pattern and at least one code block mapping order corresponding to the at least one repetition unit. The UE may transmit the set of physical uplink shared channel repetitions based at least in part on the transport block size. Numerous other aspects are provided.

Abstract: Certain aspects of the present application relate to techniques for configuring and/or performing channel state information-reference signal (CSI-RS) resource aggregation. For example, the techniques described herein enable multiple resource mappings within a single CSI-RS resource. These multiple mappings may facilitate the aggregation of a greater number of CSI-RS resources, thereby supporting a larger number of CSI-RS ports. A user equipment (UE) may then perform CSI measurements using this expanded set of CSI-RS ports.

Abstract: Methods, systems, and devices for wireless communications are described. A first user equipment (UE) may transmit a trigger message to a second UE, where the trigger message triggers a channel state information (CSI) report that includes a first CSI reporting mode of a set of CSI reporting modes and a reporting quantity for the first CSI reporting mode. For a first reporting quantity, the first UE may trigger the second UE to transmit a CSI reference signal (RS), and the first UE may then receive the CSI-RS to determine CSI based on the CSI-RS. Additionally or alternatively, for other reporting quantities, the first UE may transmit the CSI-RS to the second UE, and the second UE may transmit channel state feedback to the first UE based on measuring CSI for the received CSI-RS, where the first UE determines the CSI based on the channel state feedback.

Abstract: This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for transmitting a channel state information (CSI) report from a user equipment (UE). The CSI report may be a UE initiated CSI report or may be based on a downlink grant. The UE may determine to transmit the CSI report based on measurement using a physical downlink control channel (PDSCH) and/or a demodulation reference signal (DMRS). The UE may determine a reference resource for CSI feedback. The UE may calculate a channel quality indicator (CQI) based on the reference resource. The UE may transmit the CQI in the CSI report on an uplink resource.

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may indicate, to a base station, a capability of the UE to use a channel measurement resource for both a joint transmission hypothesis and a single transmission hypothesis. The UE may receive, based on indicating the capability of the UE, a configuration message indicating a first channel measurement resource that is associated with a first transmission configuration indicator state and that is configured for a first joint transmission hypothesis. The UE may obtain a channel measurement for both the first joint transmission hypothesis and a first single transmission hypothesis using the first channel measurement resource based on the configuration message.