Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a first user equipment (UE) may receive, from a second UE and via a receive beam of the first UE, an inter-UE coordination (IUC) request, wherein the IUC request is based at least in part on a transmit beam of the second UE that is associated with an intended transmission of the second UE. The UE may transmit, to the second UE, IUC information that indicates preferred resources or non-preferred resources for the intended transmission, wherein the IUC information is based at least in part on a channel sensing by the first UE. Numerous other aspects are described.

Abstract: Systems and method for configuring and providing discontinuous reception (DRX) operations in sidelink (SL) mode 1 and mode 2 are disclosed. A first user equipment (UE) may operate in DRX communications with a second UE over a SL while concurrently maintaining DRX communications with a base station. In some embodiments, DRX operations may include the first UE monitoring for either one or both of transmissions in a downlink from a base station and in the SL from the second UE during an active period of a DRX cycle of the DRX configuration. In embodiments, the UE may extend the active period associated with the DRX cycle when control information from either the base station or the second UE is received. Other aspects 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 receive a sidelink configuration that indicates a set of sidelink slots comprising a first subset of sidelink slots to be used for first transmissions of sidelink communications and a second subset of sidelink slots to be used for second transmissions of the sidelink communications. The UE may communicate based at least in part on the sidelink configuration. Numerous other aspects are described.

Abstract: Apparatus, methods, and computer-readable media for facilitating phase jump estimation for SL DMRS bundling are disclosed herein. An example method includes receiving, from another device, first information at a first symbol of a first slot, the first slot including at least the first symbol and a first reference signal. The example method also includes receiving second information at a second symbol of a second slot, the second slot including at least the second symbol and a second reference signal, the first information and the second information being repetitions. The example method also includes generating a first reference signal copy based at least on the second reference signal and a phase jump between the first slot and the second slot. Additionally, the example method includes performing channel estimation across the first slot and the second slot based on an aggregation of the first reference signal and the first reference signal copy.

Abstract: Systems, methods, and devices for wireless communication that support resource selection and indication for sidelink demodulation reference signal (DMRS) bundling. A transmitting UE determines sidelink resources for bundling a sidelink DMRS transmission to be transmitted to a receiving UE. In sidelink mode 1, the sidelink resources may be determined based on indications from a base station, which may include whether the transmitting UE is to maintain phase continuity over the sidelink resources during the bundling, or whether the transmitting UE is to include a phase jump reference signal with the bundled DMRS transmission to the receiving UE. In sidelink mode 2, the transmitting UE may select the sidelink resources based on the phase continuity capabilities of the transmitting UE and/or of the receiving UE, and/or based on a sensing of the sidelink channel. In some cases, the receiving UE may provide a resource recommendation to the transmitting UE.

Abstract: Aspects relate to grouping sidelink carriers in a wireless communication network. A first wireless communication device, such as a user equipment (UE), may communicate with a base station on a cellular link utilizing a first set of first component carriers (CCs) in a particular frequency band. The UE may identify one or more first carrier groupings for the first set of first CCs with the base station. The UE may communicate with a second wireless communication device, such as a second UE, on a sidelink utilizing a second set of CCs within the same frequency band. The first UE may map at least one second CC to a respective corresponding first CC and apply the one more carrier groupings to the second set of CCs to generate one or more second carrier groupings based on the mapping.

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive a control message indicating a power scaling parameter dedicated to a frequency subband of a band for wireless communications by an antenna panel at the UE. In some cases, the UE may switch from a second frequency subband of the band to the frequency subband based on receiving the control message, and the UE may switch from a second power scaling parameter associated with the second frequency subband to the power scaling parameter based on switching to the frequency subband. The UE may transmit, by the antenna panel, a signal via the frequency subband at a transmit power that is based on the power scaling parameter dedicated to the frequency subband.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a first node may transmit, to a second node on a beamformed link from the first node to the second node, a first signal, wherein the first node and the second node are associated with common timing; determine whether a second signal, based at least in part on the first signal, is received on a beamformed link from the second node to the first node; and transmit a third signal based at least in part on receiving the second signal or perform a sidelink beam failure recovery procedure based at least in part on determining that the second signal is not received. Numerous other aspects are provided.

Abstract: Methods, systems, and devices for wireless communications are described. In some cases, a first user equipment (UE) within a coverage area of a base station may determine a power control configuration. The first UE may transmit an indication of the power control configuration to a second UE, which may adjust one or more power control parameters based on the indication. The one or more power control parameters may include a target received power, a compensation factor, a downlink path loss between the base station and the first UE, or a combination thereof. The second UE may use the adjusted one or more power control parameters to determine a transmit power and may transmit a message to the first UE with the determined transmit power. In some cases, the second UE may be outside of the coverage area of the base station.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may identify one or more multi-panel capabilities for multi-panel operation of a plurality of panels associated with the UE. The UE may transmit, to a base station (BS), an indication of the one or more multi-panel capabilities. Numerous other aspects are provided.

Abstract: This disclosure relates to sidelink carrier aggregation, and includes a method and apparatus for receiving a configuration indicating a subset of Uu component carriers (CCs) of a plurality of Uu CCs from a network entity; receiving a downlink control information (DCI) via the subset of Uu CCs from the network entity based on receiving the configuration, wherein the DCI schedules sidelink transmissions for the first UE via a plurality of sidelink CCs; and communicating on a subset of sidelink CCs with a second user equipment (UE) based on the DCI.

Abstract: A configuration for configuring and updating the spatial relationship of multiple physical uplink control channel (PUCCH) resources in a single message, thereby reducing signaling overhead. A user equipment (UE) constructs a message associated with at least one of a plurality of component carriers (CCs) or a plurality of bandwidth parts (BWPs) indicating a same spatial relation for the at least one of the plurality of CCs or the plurality of BWPs. The UE transmits the message to a base station. The base station transmits a message to the UE configuring multiple spatial parameters for the at least one of the plurality of CCs, the plurality of BWPs, or a plurality of uplink/downlink resources.

Abstract: Aspects of the present disclosure relate to wireless communications, and more particularly, to cell recovery techniques. One example method generally includes receiving, on a first cell, an indication that one or more channel measurements are to be reported for a second cell for which beam failure is detected; transmitting a first message triggering reporting of at least one preferred beam for communicating on the second cell, the first cell being different from the second cell, wherein the first message is transmitted in response to the indication that the one or more channel measurements are to be reported; receiving a report indicating the at least one preferred beam; and configuring a transmission configuration state in accordance with the at least one preferred beam for communicating on the second cell.

Abstract: Methods, systems, and devices for wireless communications are described. Generally, the described techniques provide for indicating a sidelink configuration for synchronization signal transmission. For example, a user equipment (UE) may establish an access link with a base station or transmission/reception point. The UE may measure a plurality of beams of the access link or of a sidelink channel to generate a signal metric of the access link or of the sidelink channel. Based on the generated signal metric, the UE may identify a sidelink configuration for synchronization signal transmission within the sidelink channel. In some cases, the UE may transmit a synchronization signal via the sidelink channel based at least in part on the sidelink configuration.

Abstract: Methods, systems, and devices for wireless communications are described that provide for temporary transmit power control adjustments for one or more transmissions, such as transmissions when a device that is to receive the transmissions is operating in a full duplex mode. A network entity may operate in a full duplex mode for a first slot, and may provide a user equipment (UE) with a transmit power control command to make an adjustment in uplink transmit power for uplink transmissions in the first slot. The UE may transmit according to a first uplink transmit power prior to the first slot, transmit at an adjusted second transmit power during the first slot, and then transmit according to the first uplink transmit power for uplink transmissions subsequent to the first slot.

Abstract: Methods, systems, and devices for wireless communications are described. A first user equipment (UE) may receive a sidelink control indicator (SCI) from a second UE and selects resources and directions for communication. The SCI may include one or more resources and corresponding directions reserved by the second UE. The first UE may use the resources and directions indicated in the received SCI to select available resources with which to reserve forward direction transmissions, reverse direction transmissions, or both. For example, the first UE may avoid reserving resources and directions corresponding to the resources and directions indicated in the received SCI, or may reserve such resources despite receiving the SCI, such as if the received SCI has a relatively low reference signal received power (RSRP). The first UE may transmit an SCI indicating resources reserved by the first UE and associated directionalities.

Abstract: This disclosure relates to sidelink carrier aggregation, and includes a method and apparatus for receiving a configuration indicating a subset of Uu component carriers (CCs) of a plurality of Uu CCs from a network entity; receiving a downlink control information (DCI) via the subset of Uu CCs from the network entity based on receiving the configuration, wherein the DCI schedules sidelink transmissions for the first UE via a plurality of sidelink CCs; and communicating on a subset of sidelink CCs with a second user equipment (UE) based on the DCI.

Abstract: The present disclosure relates to dynamic antenna array reconfiguration and signaling in millimeter wave bands. A user equipment (UE) may detect an antenna array change condition. The UE may transmit a request for beam training for an antenna array configuration in response to the detecting. The request for beam training may include a requested antenna array configuration for the UE and an indication of beam weights to use with the requested antenna array configuration. A base station may determine whether to grant or deny the requested antenna array configuration for the UE. The UE may receive, from the base station, an indication of an antenna array configuration for the UE. The base station may transmit the number of reference signals as a set of contiguous channel state information reference signals (CSI-RS). The UE may train the reconfigured active antenna array configuration based on the reference signals.

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may transmit a request for symbol aggregation over a common symbol across a set of multiple downlink transmit beams of a network entity. The UE may receive, based on the request, a downlink grant scheduling one or more slots associated with symbol aggregation over the common symbol across the set of multiple downlink transmit beams of the network entity. The UE may receive, during the one or more slots, a set of multiple repetitions of a common data symbol, each repetition of the set of multiple repetitions of the common data symbol transmitted via a respective downlink transmit beam of the set of multiple downlink transmit beams.

Abstract: Method and apparatus to determine a sidelink beam and associated power control parameter for sidelink communication. The apparatus initiates a beam pairing with a second UE, the first UE being a transmitting UE and the second UE being a receiving UE. The apparatus identifies a sidelink beam from a plurality of sidelink beams and at least one power control parameter for sidelink communication with the second UE. Different sidelink beams use different power control parameters. The apparatus communicates with the second UE via a selected sidelink beam and the at least one power control parameter.