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 receive a configuration that indicates a set of frequency components for carrier aggregation and that indicates multiple sets of channel state information reference signals (CSI-RSs) or sounding reference signals (SRSs), wherein different sets of CSI-RSs or SRSs, of the multiple sets of CSI-RSs or SRSs, correspond to different subsets of frequency components included in the set of frequency components. The UE may monitor for one or more CSI-RSs or SRSs, corresponding to a subset of frequency components included in the set of frequency components, based at least in part on the configuration. Numerous other aspects are provided.

Abstract: Methods, systems, and devices for wireless communication are described. A network device, such as a base station, may transmit a request message to a user equipment (UE). The request message may include a request for the UE to transmit a set of sounding reference signals (SRSs). The set of SRSs may include two (or more) beamformed signals. The network device may receive the set of SRSs according to the request message. The network device may identify, based on a co-phasing parameter associated with the two (or more) beamformed signals, an antenna port precoder configuration to use for communicating with the UE.

Abstract: This disclosure provides systems, methods, apparatuses, and computer programs encoded on computer storage media, for wireless communication. Various aspects support beam switching and changing antenna array configurations for communicating in a near field range. In some examples, a user equipment (UE) may transmit a beam group indicator to a network entity, and the UE and the network entity may perform beam switching operations associated with switch communication beams in association with changes to a distance between the UE and the network entity. In some such examples, the beam switching may switch from using beam weights for communications in a far field range to beam weights for communications in a near field range. Additionally or alternatively, the network entity may change configurations of an antenna array used to communicate with the UE in association with changes to the distance. 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 transmit a first indication of a multiple-input-multiple-output (MIMO) configuration threshold that is associated with a selection between a polarization MIMO configuration and a spatial MIMO configuration, the MIMO configuration threshold being based at least in part on a performance threshold. The UE may receive a second indication of a MIMO communication configuration that specifies the selection. Numerous other aspects are described.

Abstract: Various aspects of the present disclosure generally relate to wireless communication and testing. In some aspects, a device may receive information identifying a mount orientation of a wireless communication device, wherein the mount orientation indicates an orientation of a coordinate system of the wireless communication device relative to a coordinate system of a positioner. The device may capture measurement information at each position of a set of positions of the wireless communication device, wherein the set of positions comprises positions of the wireless communication device as the wireless communication device is rotated around an axis by the positioner, and wherein the measurement information is captured based at least in part on the mount orientation. The device may provide information identifying the measurement information. Some techniques and apparatuses described herein may use the measurement information to generate a codebook for beam generation. Numerous other aspects are provided.

Abstract: Methods, systems, and devices for wireless communication are described. A user equipment (UE) may generate blockage transformation information associated with one or more blockage scenarios based on one or more adaptive beam weights used for blockage mitigation at the UE associated with respective positions of a body or hand relative to one or more antennas of the UE. The blockage transformation information may include an indication of a transformation matrix used for a transformation of a first electric field matrix associated with a non-blockage scenario to a second electric field matrix associated with a blockage scenario. The UE may transmit a message indication the blockage transformation information to a machine learning server, which may generate adaptive beam weights for hand or body blockage mitigation based on messages received from multiple UEs. The machine learning server may transmit the adaptive beam weights to a UE entering a network.

Abstract: This disclosure provides systems, methods, and devices for wireless communication that support vehicle path deviation reporting and updating. In a first aspect, a method of wireless communication performed at a vehicle includes generating movement data based on traversing from a first location to a second location. The traversing is based on path information that indicates a plurality of waypoints designated to be traversed by the vehicle. The method also includes transmitting statistical information generated based on the movement data and the plurality of waypoints. The movement data is associated with an actual path of the vehicle. The plurality of waypoints are associated with an interpolated path of the vehicle. Other aspects and features are also claimed and described.

Abstract: This disclosure provides systems, methods, apparatuses, and computer programs encoded on computer storage media, for wireless communication. Various aspects support beam switching and changing antenna array configurations for communicating in a near field range. In some examples, a user equipment (UE) may transmit a beam group indicator to a network entity, and the UE and the network entity may perform beam switching operations associated with switch communication beams in association with changes to a distance between the UE and the network entity. In some such examples, the beam switching may switch from using beam weights for communications in a far field range to beam weights for communications in a near field range. Additionally or alternatively, the network entity may change configurations of an antenna array used to communicate with the UE in association with changes to the distance. Other aspects and features are also claimed and described.

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: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a receiver of a holographic multiple input multiple output (MIMO) communication may receive, using at least one receive antenna element, a plurality of reference signals associated with at least one transmit antenna element of a transmitter of the holographic MIMO communication. The receiver may communicate using two-dimensional beams or three-dimensional beams based at least in part on a determination of a beam format associated with the plurality of reference signals. Numerous other aspects are described.

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. To reduce peak-to-average power ratio (PAPR) associated with transmissions in a wireless communications system, a user equipment (UE) may implement tone reservation techniques. The UE may receive downlink control information from a base station that indicates a set of allocated resources that the UE is to use for the tone reservation. The UE may identify a first set of tones of the set of allocated resources for transmitting a data signal and a second set of tones of the set of allocated resources for transmitting a peak-reduction signal that reduces the peak power of the data signal. The UE may transmit the data signal and the peak-reduction signal based on the received downlink control information.

Abstract: Methods, systems, and devices for wireless communication are described. In some systems, a user equipment (UE) may transmit, to a network entity, a first signal including a request to update a resolution of a phase shifting operation associated with beam-based communications. The UE may receive, from the network entity, a second signal approving the request. The UE may communicate using a beam according to an updated resolution of the phase shifting operation based on the second signal approving the request. Additionally, or alternatively, the UE may transmit a first signal including a request to suspend a beam refinement process based on the resolution of the phase shifting operation. The UE may receive a second signal approving the request to suspend the beam refinement process. The UE may communicate with the network entity using a beam based on suspending further beam refinement in response to the second signal.

Abstract: Methods, systems, and devices for wireless communication are described. A user equipment (UE) may generate blockage transformation information associated with one or more blockage scenarios based on one or more adaptive beam weights used for blockage mitigation at the UE associated with respective positions of a body or hand relative to one or more antennas of the UE. The blockage transformation information may include an indication of a transformation matrix used for a transformation of a first electric field matrix associated with a non-blockage scenario to a second electric field matrix associated with a blockage scenario. The UE may transmit a message indication the blockage transformation information to a machine learning server, which may generate adaptive beam weights for hand or body blockage mitigation based on messages received from multiple UEs. The machine learning server may transmit the adaptive beam weights to a UE entering a network.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may transmit, to a network node, an indication of a capability to support high rank multiple input multiple output (MIMO) communication on two or more frequency bands that have a common intermediate frequency. The capability to support the high rank MIMO communication includes a capability to support MIMO communication in approximately a same direction and on greater than two layers. The UE may perform high rank MIMO communication with the network node on the two or more frequency bands in approximately the same direction. Numerous other aspects are described.

Abstract: Certain aspects of the present disclosure provide a method for wireless communications at a user equipment (UE). The UE may transmit signaling indicating antenna module capability information including geometric shape information associated with one or more antenna modules of the UE. The UE may receive an indication of a number of reference signals (RSs). The number of RSs is based on the antenna module capability information. The UE may perform beamforming, in accordance with the received indication.

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may transmit control signaling indicating a set of beamforming configurations associated with a set of antenna panels at the UE. The UE may select one or more antenna elements of at least one antenna panel of the set of antenna panels based on a beamforming configuration associated with the at least one antenna panel. The UE may generate a set of beam weights for a wireless communication based on the beamforming configuration and the one or more antenna elements, and may use the generated set of beam weights to transmit the wireless communication. In some examples, the UE may include, in the control signaling, indications of a set of beamforming properties, a number of beam weights, a resource differential, or a combination thereof, associated with each beamforming configuration.

Abstract: Wireless communications systems, apparatuses, and methods are provided. A method of wireless communication performed by a user equipment (UE) includes receiving, from a wireless communication device located at a first distance from the UE, a plurality of reference signals associated with determining a set of phase values corresponding to antenna elements of an antenna array for reception operations, determining a first set of calibration adjustment coefficients associated with the set of phase values, and transmitting, to a network unit located at a second distance from the UE, a communication signal with phase values based on a second set of calibration adjustment coefficients, wherein the second set of calibration adjustment coefficients are based on the first set of calibration adjustment coefficients and a distance adjustment factor based on the first and second distances of the wireless communication device and the network unit from the UE, respectively.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a wireless device may receive interference information. The wireless device may select, based at least in part on the interference information, beamforming configuration parameters that include: a quantity of one or more transceiver units that are each associated with a panel of a multi-panel active antenna system, a steering tilt angle to use for each panel controlled by a transceiver unit, and a steering subtilt angle for use across the panels. The wireless device may communicate with another device using the beamforming configuration parameters. Numerous other aspects are described.