Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may be configured with a plurality of resources corresponding to a plurality of antenna elements of the network entity. The UE may measure signaling received via the antenna elements and over the resources to estimate a wireless channel for the plurality of antenna elements of the network entity. In some examples, the UE may determine the per-element wireless channel using the received signal and may report the per-element wireless channel. Additionally, after acquiring the per-element wireless channel, the UE may use joint optimization to calculate analog beams and corresponding digital beams for each antenna element of the network entity. For example, the UE may calculate an analog precoding matrix and a digital precoding matrix. The UE may transmit a report indicating the analog precoding matrix, the digital precoding matrix, channel quality information, or any combination thereof.

Abstract: Disclosed are techniques for integrated sensing and communication (ISAC). In some aspects, a network node may receive, from a road side unit (RSU), a plurality of basic safety messages (BSMs) transmitted by a plurality of vehicles. The network node may receive, from a first vehicle of the plurality of vehicles, a scheduling request to perform one or more sensing operations, one or more communication operations, or a combination of the one or more sensing operations and the one or more communication operations. The network node may transmit, to the first vehicle, a first configuration to perform the one or more sensing operations, the one or more communication operations, or the combination based on the plurality of BSMs and one or more scheduling requests from one or more other vehicles of the plurality of vehicles.

Abstract: Some examples of the techniques described herein may provide schemes to organize shaped payload bits, non-shaped payload bits, and parity bits to allow an increased quantity of bits to be shaped for enhanced performance. Interleaving may be utilized in some aspects to enhance robustness to burst errors. For instance, interleaving schemes for enhancing bit orderings and interleaving are provided. In some approaches, permutation and row-column interleaving may be performed with a quantity of rows. Some approaches may utilize circular rotation and row-column interleaving with a quantity of rows. In some examples, permutation with alphabet-based row-column interleaving with fixed rows may be performed. Some aspects may include permutation and row-column interleaving with a quantity of rows when punctured columns are shaped. In some approaches for modulation mapping, each set of bits may be mapped to a quadrature amplitude modulation (QAM) symbol.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a wireless communication device may receive a transmission associated with one or more bits. The wireless communication device may decode the transmission using an average of one or more confidence level values, associated with the one or more bits, over a quantity of the one or more confidence level values and an offset that is based at least in part on the quantity of the one or more confidence level values. Numerous other aspects are described.

Abstract: Apparatuses and methods for cell DRX impact reference signals for positioning and sensing are described. An apparatus is configured to receive, from a network entity, an UL reference signal configuration indication. The UL reference signal configuration associates a UL reference signal transmission occasions set with active/inactive DRX modes of a cell(s) associated with a UE. The apparatus is configured to provide, for a TRP(s) associated with the cell(s), and at the set of UL reference signal transmission occasions, an UL reference signal(s) during a portion of the active DRX mode based on the UL reference signal configuration. Another apparatus is configured to configure, for a UE, an UL reference signal configuration that associates UL reference signal transmission occasions with active/inactive DRX modes of a cell(s) associated with the UE. The apparatus is configured to provide, for the UE, the UL reference signal configuration.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a transmitter device may modulate a first set of bits into a first modulation symbol, selected from a first set of modulation points. The transmitter device may modulate a second set of bits into a second modulation symbol, selected from a second set of modulation points, where the first set of modulation points are a subset of the second set of modulation points. The transmitter device may transmit the first modulation symbol and the second modulation symbol to a receiver device. Numerous other aspects are described.

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may include an L shaped antenna module, which may include a first array of antenna elements in one dimension and a second array of antenna elements in a second dimension. In an L shaped antenna module, antenna element configurations may be used that combine antenna elements across the two sides of the “L”. In some aspects, a UE may dynamically select a configuration of antenna elements of an L shaped antenna module to enhance performance and power consumption. In some aspects, the UE may select whether to use a cross-polarization configuration or a co-polar configuration for the L shaped antenna module.

Abstract: Aspects disclosed herein include a die interconnect structure with embedded inductor(s) including coupled coils formed in redistribution layer (RDL) and adjacent bump-level distribution layer (BDL) for improved Q factor. The die interconnect structure includes a metal pad and a first coil formed in the RDL. The die interconnect structure also includes the BDL which includes a secondary metal pad and a second coil. The die interconnect structure also includes a seed layer between the first coil and the second coil. The die interconnect structure includes an inductor comprising the first coil, the second coil, and a via coupling the first and second coils. In this manner, the additional second coil formed in the BDL has higher conductance, less resistance than a coil formed in metallization layers within the die and, thus, advantageously improving the Q factor of the inductor.

Abstract: A method of calibrating a first threshold voltage of a first pulse amplitude modulation (PAM) slicer and a second threshold voltage of a second PAM slicer. The method includes: calibrating the first threshold voltage of the first PAM slicer based on a non-return-to-zero (NRZ) signal and a PAM signal; and calibrating the second threshold voltage of the second PAM slicer based on the PAM signal and the calibrated first threshold voltage.

Abstract: Aspects of the present disclosure relate to wireless communications, and more particularly, to techniques for techniques for signaling control information in wireless communication systems based on orbital angular momentum (OAM) modes. One aspect provides a method for wireless communication by a transmitter. The method generally includes transmitting to a receiver, with a first orbital angular momentum (OAM) mode, a first control channel on a first time-frequency resource and transmitting to the receiver, with a second OAM mode, at least one of a data channel or a second control channel on a second time-frequency resource that at least partially overlap with the first time-frequency resource in at least one of time or frequency.

Abstract: Methods, systems, and devices for wireless communications are described. Generally, the described techniques at a network provide for efficiently considering parameters of a network slice when determining whether to provide access to the network slice, allow the establishment of a session via the network slice, or grant access to resources for communications via the network slice. Further, the described techniques at a user equipment (UE) provide for efficiently determining when or whether to retry to access a network slice, retry to establish a session via the network slice, or retry to access resources for communicating via the network slice.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, from a primary cell (PCell), a radio resource control (RRC) message that indicates an inter-cell mobility cell set and a measurement configuration. The UE may transmit, to the PCell, a measurement report that indicates one or more measurements of one or more cells indicated in the inter-cell mobility cell set, wherein the one or more measurements are derived based at least in part on the measurement configuration. The UE may receive, from the PCell, a joint cell activation and timing advance command medium access control control element (MAC-CE), wherein the joint cell activation and timing advance command MAC-CE indicates an activation of a new cell, of the one or more cells, and timing advance information associated with the new cell. Numerous other aspects are described.

Abstract: A method for calibrating an output driver includes generating a first current representative of current flowing through a termination impedance of an output driver, generating a second current representative of current flowing through a replica driver stage comprising one or more replicas of a driver stage in a driver segment in the output driver, and comparing the first current and the second current using a current comparator. Generating the second current includes controlling gate voltage of first transistors configured to provide a reference current to the replica driver stage to maintain a predefined voltage across the replica driver stage. The gates of the first transistors are coupled to gates of second transistors that are configured to provide a scaled version of the reference current to third transistors that are included in a current mirror. The second current is received from the current comparator.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a configuration of a power mode for transmitting eight uplink transmission chains, wherein the power mode is one of a full-power mode or a non-full-power mode, and wherein at least a first set of precoding matrices is associated with the full-power mode and at least a second set of precoding matrices is associated with the non-full-power mode. The UE may receive an indication of a selected precoding matrix, wherein the indication is based at least in part on the configuration of the power mode and one of the first set of precoding matrices or the second set of precoding matrices. The UE may transmit the eight uplink transmission chains based at least in part on the selected precoding matrix. 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 receive, from a network entity, a UE capability information request message. The UE may transmit, to the network entity in response to the UE capability information request message, a UE capability information message indicating one or more antenna capabilities of the UE. Numerous other aspects are described.

Abstract: Methods, systems, and devices for wireless communications are described. Generally, the described techniques provide for activating antenna groups at a user equipment (UE) for communications with a base station. The UE may receive an indication of at least one active antenna group for communications with the base station, and the UE may map one or more layers of an uplink message to the at least one active antenna group. The UE may then transmit the one or more layers of the uplink message using the at least one active antenna group based on the mapping. In some cases, the UE may transmit a capability report to the base station indicating one or more antennas in each antenna group in a set of antenna groups at the UE, and the base station may activate the at least one active antenna group from the set of antenna groups.

Abstract: An example wireless communication device includes one or more processors, one or more transceivers, and memory. The one or more processors are configured to cause the wireless communication device to receive a respective reference signal from each of a plurality of transmission reception points (TRPs). The one or more processors are configured to cause the wireless communication device to transmit a first message comprising a recommended set of TRPs from among the plurality of TRPs for use in coherent joint transmission (CJT) based on the respective reference signals. The one or more processors are configured to transmit a second message comprising a channel state information (CSI) report based on a transmission hypothesis. The transmission hypothesis is based on the recommended set of TRPs or an override set of TRPs from among the plurality of TRPs for use in CJT.

Abstract: Certain aspects of the present disclosure provide techniques for channel state information reference signal (CSI-RS) for multiple beam transmissions. In an example, a first CSI-RS triggering state of one or more CSI-RS triggering states indicates a CSI-RS resource set and associated transmission configuration indication (TCI) states. The CSI-RS resource set includes a plurality of CSI-RS resources. Each CSI-RS resource of the plurality of CSI-RS resources is associated with one or more corresponding TCI states as indicated by the first CSI-RS triggering state. A first CSI-RS resource of the plurality of CSI-RS resources is associated with a first plurality of TCI states as indicated by the first CSI-RS triggering state.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a network controller may receive, from a user equipment (UE), a request for a tethering delay budget associated with a quality of service (QoS) flow, wherein the UE is in communication with an access point associated with a client network, and wherein the tethering delay budget is based at least in part on a tethering delay associated with the client network. The network controller may configure one or more QoS parameters, associated with the wireless communication network, for the QoS flow, wherein the one or more QoS parameters are configured based at least in part on the tethering delay budget. The network controller may transmit, to the UE, a communication based at least in part on the one or more QoS parameters. Numerous other aspects are described.

Abstract: Methods, systems, nodes, and devices for wireless communication are described. The method may include a first network node (e.g., a user equipment (UE)) receiving a first message that indicates a first preamble and transmitting a random access request message indicative of a request by the first network node for repetition based transmission of a second message. In response to the random access request, the first network node may receive a random access response message including an indication that the second message is to be transmitted with repetition and transmit the second message in accordance with repetition.