Abstract: Methods, systems, and devices for wireless communications are described. A base station may transmit a channel state information (CSI) reference signal (CSI-RS) to a user equipment (UE) using heterogenous antenna panels, where a first antenna panel used to transmit the CSI-RS may have a different number of antenna ports than a second antenna panel used to transmit the CSI-RS. The UE may generate a codebook to report CSI based on the heterogenous antenna panels. In some cases, the UE may report compressed CSI if the antenna panels are in close proximity together.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a receiving user equipment (UE) may transmit a first measurement that is based at least in part on a first reference signal, from a base station, that is to be reflected via a passive device. The receiving UE may transmit a second measurement that is based at least in part on a second reference signal, from a transmitting UE, that is to be reflected via the passive device and a third reference signal from the transmitting UE. 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 identify a set of security levels for a set of physical uplink channels, wherein the set of physical uplink channels are overlapping in time. The UE may transmit one or more of the set of physical uplink channels based at least in part on the set of security levels for the set of physical uplink channels. 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 an indication of a power saving mode of a base station. The UE may communicate with the base station based at least in part on the power saving mode, the communicating comprising one or more of: monitoring for a wake-up signal with a periodicity that is based at least in part on the power saving mode, transmitting uplink control information via control channel resources that are based at least in part on the power saving mode, or transmitting or receiving one or more communications via a set of component carriers that are based at least in part on the power saving mode. Numerous other aspects are provided.

Abstract: Apparatus, methods, and computer program products for wireless communication are provided. An example method may include receiving, from a second network entity, one or more LP reference signal (LP RS) resources, where the one or more LP RS resources are configured for at least one of: time or frequency tracking or synchronization, time or frequency error estimation or correction, radio resource management (RRM), or channel estimation. The example method may further include receiving a LP wake up signal (LP WUS) based on the one or more LP RS resources, where the LP WUS is associated with one or more monitoring occasions, where the LP WUS is quasi-co-located with at least one of the one or more LP RS resources, and where the LP WUS is associated with a first configuration and the at least one LP RS resource is associated with a second configuration.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive an indication of a power saving mode of the base station for communicating with a base station. The UE may communicate with the base station, with the communicating including transmitting one or more periodic reference signals having a configuration that is based at least in part on the power saving mode of the base station, or receiving the one or more periodic reference signals having the configuration that is based at least in part on the power saving mode of the base station. 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 receive a configuration of cell discontinuous transmission or cell discontinuous reception. The UE may receive a configuration of carrier aggregation associated with a primary cell (Pcell) and a secondary cell (Scell). The UE may receive an indication to activate or deactivate the cell discontinuous transmission or cell discontinuous reception for the Pcell. The UE may skip, or monitoring for, based at least in part on the indication to activate or deactivate the cell discontinuous transmission or cell discontinuous reception for the Pcell, reception or transmission of one or more channels associated with the Scell. Numerous other aspects are described.

Abstract: Methods, systems, and devices for wireless communication are described. A first wireless communications device may receive, from a second wireless communications device, a signal that is indicative of a phase-change pattern applied to communications between the first wireless communications device and the second wireless communication device by a reconfigurable intelligent surface reflecting the communications. The first device may determine the phase-change pattern from the signal. The first device may transmit a message to the second wireless communications device, wherein at least one of a content or a transmission property of the message is based at least in part on the phase-change pattern.

Abstract: Methods, systems, and devices for wireless communications are described. The techniques described herein may support authentication schemes for wireless communications. A first wireless device may communicate one or more messages associated with an authentication scheme with a second wireless device. The one or more messages may indicate a capability of one or more of the devices, that the authentication scheme includes a symmetric or an asymmetric authentication scheme, or both. The first wireless device may receive a signal from the second wireless device. The signal may include a set of authentication bits. The first wireless device may determine an authenticity of the signal based on the set of authentication bits, the signal, at least one key associated with the authentication scheme, or a combination thereof. The authenticity may indicate whether the signal was sent from the second wireless device or another wireless device.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive an indication of a plurality of sets of contiguous time domain resources corresponding to a plurality of segments of a multi-slot transmission occasion. The UE may identify an interruption of a multi-slot communication associated with an impacted segment of the plurality of segments. The UE may transmit at least one communication on the multi-slot transmission occasion based on at least one of: prioritization on the impacted segment, a bandwidth part switch associated with the interruption, one or more segments, of the plurality of segments, that occur after the impacted segment, or a remainder of the impacted segment. 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 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 user equipment (UE) may receive a first configuration of a first channel state information reference signal (CSI-RS) resource for channel measurement with a first CSI-RS port configuration. The UE may receive a second configuration with a second CSI-RS port configuration. The UE may measure a second CSI-RS resource associated with the second configuration and the first CSI-RS resource, wherein the second CSI-RS resource is a subset of the first CSI-RS resource. The UE may compute a channel quality indicator (CQI) based at least in part on renumbering CSI-RS port numbers of the second CSI-RS resource according to the second configuration, and/or a precoding matrix that is based at least in part on the second CSI-RS port configuration. Numerous other aspects are described.

Abstract: Various aspects of the present disclosure generally elate to wireless communication. In some aspects, a network node may receive, from a network entity in connection with an access procedure, information indicative of at least one of a security capability or an energy transfer or charging capability. The network node may connect to the network entity to obtain network access based on the security capability or the energy transfer or charging capability. Numerous other aspects are described.

Abstract: A method for wireless communication at a user equipment (UE) and related apparatus are provided. In the method, the UE receives, from a network entity, a channel state information (CSI) report configuration including a set of sub-configurations. Each sub-configuration in the set of sub-configurations corresponds to a transmission setting associated with a channel state information reference signal (CSI-RS). The UE further determines one or more CSIs respectively corresponding to a subset of the set of sub-configurations, and transmits, based on the transmission setting corresponding a first sub-configuration of the subset of sub-configurations, a reduced content of a CSI report or refrains from transmitting the CSI report. The CSI report is associated with a first CSI for the first sub-configuration.

Abstract: Certain aspects of the present disclosure provide techniques for techniques for determining when to perform medium access control (MAC) control element (CE) (MAC-CE) triggered actions across multiple user equipments (UEs). A method includes receiving a MAC-CE comprising an indication to perform one or more actions and an indication of an absolute application time; and based on receiving the MAC-CE, perform the one or more actions at the absolute application time.

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive, from a network entity, a downlink message associated with a first random access channel (RACH) procedure between the network entity and the UE, the downlink message including an accessibility indicator of a first cell supported by the network entity, the accessibility indicator indicating whether the first cell is inactive at a future time period. The UE may perform one of the first RACH procedure for the first cell based at least in part on the accessibility indicator indicating that the first cell supported by the network entity is active at the future time period or a second RACH procedure for a second cell based at least in part on the accessibility indicator indicating that the first cell supported by the network entity is inactive at the future time period.

Abstract: Methods, systems, and devices for wireless communications are described. The method includes receiving, from a network entity at a control unit associated with a reconfigurable intelligent surface, a set of multiple reference signals via a set of multiple receive beams, acquiring, via a first antenna panel associated with the control unit, a first beam of the set of multiple receive beams, acquiring, via a second antenna panel associated with the control unit, a second beam of the set of multiple receive beams, determining reflection coefficients of the reconfigurable intelligent surface for communication with the network entity based on the acquiring of the first beam and the acquiring of the second beam, and communicating via the reconfigurable intelligent surface based on the reflection coefficients of the reconfigurable intelligent surface.

Abstract: A method for wireless communication at a user equipment (UE) and related apparatus are provided. In the method, the UE receives, from a network entity, a channel state information (CSI) report configuration including a set of sub-configurations. Each sub-configuration in the set of sub-configurations corresponds to a transmission setting associated with a channel state information reference signal (CSI-RS). The UE further determines one or more selected CSIs corresponding to a subset of the set of sub-configurations, incorporates the one or more selected CSIs into one or more CSI reports, and transmits, to the network entity, the one or more CSI reports based on the incorporation.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a channel state information (CSI) report configuration indicating a channel state information reference signal (CSI-RS) resource for channel measurement and a set of configurations, wherein each configuration of the set of configurations corresponds to a transmission setting for a CSI-RS. The UE may identify a number of CSI-RS resources and a number of CSI-RS ports for the CSI-RS resource, wherein the number of CSI-RS resources and the number of CSI-RS ports correspond to a subset of configurations of the set of sub-configurations and are based at least in part on a CSI-RS resource type of the CSI-RS. The UE may transmit one or more CSI reports based on the subset of the set of sub-configurations. Numerous other aspects are described.

Abstract: Methods, systems, and devices for wireless communication are described that provide for aligning a starting time of a cell-based discontinuous transmission (DTX) and/or discontinuous reception (DRX) mode between a network entity and one or more user equipment (UE) within the serving cell associated with the network entity. The aligning may be accomplished via coordinated signaling. For example, the network may configure a periodic interval for transmitting information related to a discontinuous operation mode in group common downlink control information (GC DCI) messages. In some additional examples, the periodic interval may allow for beam sweeping of the GC DCI messages and efficient cell-based activation or deactivation of the discontinuous operation mode.