Abstract: Methods, systems, and devices for wireless communication are described. A user equipment (UE) may perform a decoding operation on a downlink message for the UE. The UE may store, in a buffer of the UE, decoding information associated with the decoding operation on the downlink message based at least in part on the decoding operation on the downlink message being at least partially unsuccessful. In some examples, the UE may transmit, to a network entity, a report indicating buffer usage information of the buffer of the UE, where the buffer usage information indicates one or more parameters associated with the decoding information stored in the buffer of the UE. In some cases, the buffer usage information may indicate one or more transport blocks for which entries are present in the buffer of the UE.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a sidelink carrier aggregation configuration including a configuration for sidelink radio link failure (RLF) detection by: selecting one or more sidelink carriers, detecting a sidelink carrier failure associated with a failed sidelink carrier from among the one or more sidelink carriers, and recovering from the sidelink carrier failure in accordance with a reselection of at least one of the one or more sidelink carriers from among one or more candidate sidelink carriers. The UE may transmit a sidelink communication in accordance with the one or more sidelink carriers. Numerous other aspects are described.

Abstract: A wireless communication method for use in a first network function (NF) is disclosed. The method comprises transmitting, to a network repository function (NRF), an NF update message comprising planned removal information which indicates a planned removal of the first NF.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a repeater node may receive, from a control node, a configuration that indicates at least one of a time domain reconfiguration or a frequency domain reconfiguration. The repeater node may receive a first signal. The repeater node may process the first signal based at least in part on the configuration. The repeater node may generate at least one second signal based at least in part on the processed first signal. The repeater node may transmit the at least one second signal. Numerous other aspects are provided.

Abstract: Disclosed are techniques for using ranging signals to determine a position of a pedestrian user equipment (P-UE). In an aspect, a UE receives a plurality of ranging signals transmitted by one or more UEs, measures one or more properties of each of the plurality of ranging signals, and calculates an estimate of the position of the P-UE based on the one or more properties of each of the plurality of ranging signals. In an aspect, the P-UE transmits a plurality of ranging signals, receives a first message and a second message from first and second vehicle UEs (V-UEs), the first and second messages including first and second estimated positions of the P-UE and associated first and second confidences, and calculates an estimate of the position of the P-UE based on the first estimated position, the first confidence, the second estimated position, the second confidence, or a combination thereof.

Abstract: Systems and methods for predictive coordination of ego radar and interferer radar parameters are disclosed. In some aspects, a processor associated with a first radar system transmitting a first radar waveform to detect a target may identify a presence of a second radar system transmitting a second radar waveform in a vicinity of the first radar system. The processor may further predict an upcoming interference by the second radar waveform of the detection of the target by the first radar system. In addition, the processor may, in response to the predicting the upcoming interference, determine an adjustment to a first parameter of the first radar waveform and/or to a second parameter of the second radar waveform.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a first user equipment (UE) may receive, from a network node, an indication of first level shared information, that is shared between at least the first UE and a second UE, for deriving a security key from common sidelink information. The first UE may determine second level shared information, that is shared between the first UE and the second UE, for deriving the security key from the common sidelink information. The first UE may communicate with the second UE using the security key derived from the common sidelink information based at least in part on the first level shared information and the second level shared information. Numerous other aspects are described.

Abstract: Methods, systems, and devices for wireless communications are described. A transmitting user equipments (UEs) may transmit a sidelink indication signal including a sequence (for example, wakeup signal or go-to-sleep signal) for a receiving UE to determine whether to monitor for scheduling sidelink control information (SCI) messages in one or more sidelink discontinuous reception (DRX) on durations that overlap in time. The receiving UE may determine (for example, based on an initial value in the sequence, the resource on which the sequence was received, among other examples) a location of an on duration, and may perform a DRX operation (for example, may wake up or may go to sleep) during the on duration.

Abstract: Systems and techniques are described herein for mutual authentication in wireless communication. For example, a process may include: transmitting separate authentication requests using separate MIMO channels between network nodes; transmitting an authentication proof from one network node to another; receiving configuration requests based on successful authentication of one network node by the other over the respective MIMO paths; authenticating the configuration requests; and transmitting separate configuration responses via the separate MIMO paths based on the authentication.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a network node may transmit, to a reconfigurable intelligent surface (RIS) controller associated with an RIS, a configuration for applying an RIS pattern. The network node may receive, from a network element, a measurement report indicating received observations of pilot signals reflected by the RIS in accordance with the RIS pattern. The network node may transmit, to the RIS controller and based at least in part on the measurement report, an indication of one or more of an updated codebook or a phase drift associated with a calibration of the RIS. Numerous other aspects are described.

Abstract: Methods, systems, and devices for wireless communications at a first wireless node in a wireless communications system are described. The techniques may enable a first wireless node (e.g., an integrated access and backhaul (IAB) node in an IAB system) to establish a communications link with a second wireless node. The first wireless node may receive, via a reception beam of the first wireless node, an interfering signal from an aggressor wireless node. The first wireless node may perform an interference measurement of the interfering signal at the first reception beam. The first wireless node may transmit a report indicating the interference measurement to the second wireless node. The second wireless node may schedule communications based on the interference measurement. In some examples, the report may indicate one or more parameters of the interfering signal. In some examples, the report may correspond to one or more beams.

Abstract: An apparatus, e.g., a UE, for transmission of information modulated onto RSs using index modulation is disclosed. The UE may receive, from a base station, a configuration of one or more RS resources of an RS resource set. The one or more RS resources may be associated with an index modulation technique including a plurality of UL or DL information bits. The UE may transmit, to the base station, or receive, from the base station, the plurality of UL or DL information bits. The plurality of UL or DL information bits may include at least one of one or more first bits or one or more second bits. At least one of the one or more RS resources may be selected based on at least one of the one or more first bits or the one or more second bits.

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive from a network entity first control signaling identifying, of multiple cell groups configured at the UE, an inter-cell mobility configuration for a set of one or more cell groups for use at the UE. In some examples, each cell group of the multiple cell groups may include a primary cell (PCell) and zero or more secondary cells (SCells). The UE may transmit a measurement report for each cell group of the set of one or more cell groups for inter-cell mobility. The UE may receive, at least in part in response to transmitting the measurement report, second control signaling activating or deactivating a primary cell group for inter-cell mobility from one or more cell groups of the set of one or more cell groups.

Abstract: Methods, systems, and devices for wireless communications are described. A mobile integrated access and backhaul (IAB) node may transmit, to an IAB supported network, an indication of IAB capability. The mobile IAB node may also indicate to the IAB supported network a mobility status associated with the mobile IAB node. The IAB supported network may conditionally determine authorization for the mobile IAB node based on the mobility status, a subscription status, or both. The IAB supported network may transmit, to the mobile IAB node, instruction to operate in an IAB mode and perform the IAB operation. The mobile IAB node may communicate with one or more devices based on the instruction.

Abstract: Methods, systems, and devices for wireless communication are described. Generally, the described techniques provide for determining sidelink channel metrics using reference signal measurements of reference signals transmitted by other UEs. A first UE may receive a control message from a base station, and the control message may indicate a measurement threshold. The first UE may generate a reference signal measurement of a reference signal transmitted by a second UE via a sidelink channel between the first UE and the second UE. The UE may transmit a measurement report to the base station based at least in part on the measurement satisfying the threshold. The report may be a quantized value of the measurement or a bit indicating that the measurement satisfies the threshold. Based on receipt of the measurement report, the base station may determine to transmit data to the second UE via a transmission to the first UE.

Abstract: The apparatus may be a first UE. The first UE may determine a first set of candidate BPLs associated with a first SL and a second set of candidate BPLs associated with a second SL. The first UE may further determine a configuration for FD beam training based on the determined first set of candidate BPLs and the determined second set of candidate BPLs, the FD beam training configuration may include multiple instances for which the first UE transmits and receives RS at a same time. The apparatus may also select, based on the determined FD beam training configuration, a first BPL in the first set of candidate BPLs for the first SL and a second BPL in the second set of candidate BPLs for the second SL. The first UE may establish FD communication with the second UE based on the selected first BPL and the selected second BPL.

Abstract: Methods, systems, and devices for wireless communications are described. A network may configure a user equipment (UE) with a time duration pattern, and may further indicate (e.g., via control signaling) which time intervals (e.g., slots or symbols) of the time duration pattern are designated as full duplex time intervals. The network may indicate a full duplex time interval on a configured downlink symbol, a configured uplink symbol, or a configured flexible symbol. The network may further indicate frequency resources (e.g., an uplink subband, a downlink subband, etc.) via which the UE is to perform the full duplex communication during the indicated time intervals. The control signaling may include an indication of a full duplex mode for each of the time intervals. Multiple transmission receive points (TRPs) may communicate to determining which TRP will schedule uplink signaling and which TRP will schedule downlink signaling in the full duplex time interval.

Abstract: A method of wireless communication by a first user equipment (UE), includes receiving downlink signals from a network device. The method also includes receiving cross-link interference (CLI) to the downlink signals, the cross-link interference originating from a second UE. The method further includes receiving a configuration for a report of multiple differential cross-link interference metric values measured for multiple different cross-link interference resources and an absolute cross-link interference metric value measured for the different CLI resources. The method includes transmitting the report of the differential cross-link interference metric values measured for the different CLI resources.

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 configuration that indicates a time alignment timer associated with a timing advance group (TAG) for a bandwidth part (BWP) or a component carrier (CC) configured for multiple downlink control information (multi-DCI) based multiple transmission reception point (multi-TRP) communications. The UE may start the time alignment timer for a TRP. The UE may flush one or more hybrid automatic repeat request (HARQ) identifiers (IDs) from a HARQ buffer associated with the TRP based at least in part on an expiration of the time alignment timer. Numerous other aspects are described.

Abstract: Methods, systems, and devices for wireless communications are described. The method may include a user equipment (UE) receiving, from a network node, a message that indicates for the UE to generate a periodic channel state information (CSI) report including refinement information with respect to a previously CSI report. The UE may receive one or more demodulation reference signals (DMRSs) during one or more semi-persistent scheduling (SPS) occasions and generate the CSI report, where the refinement information included in the CSI report is based on measurements of the received one or more DMRSs. The UE may then transmit the CSI report to the network node.