Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a customer premises equipment (CPE) may transmit a capability message that includes an indication of a mechanical displacement capability at the CPE. The CPE may receive an instruction to perform a radio optimization procedure that is based at least in part on the mechanical displacement capability, the radio optimization procedure comprising at least one of: a radio link monitoring (RLM) procedure, a radio resource management (RRM) procedure, or a beam management procedure. Numerous other aspects are described.

Abstract: Disclosed are techniques for wireless communication. In an aspect, a user equipment (UE) determines that a perception-based approach to adaptive beam weight learning would provide improved performance of wireless communication with a base station over a wireless communication medium relative to non-perception-based approaches to adaptive beam weight learning, and transmits, to a network node, an indication for the base station to perform perception-based adaptive beam weight learning procedures for the wireless communication with the base station over the wireless communication medium.

Abstract: Methods, systems, and devices for wireless communication are described. A machine learning server may generate a low-dimensional parameter set representing training data for the machine learning server, the training data being associated with one or more communication environments or one or more channel environments, or a combination thereof. The machine learning server may receive, from one or more devices within a communication environment or within a channel environment, or both, a low-dimensional parameter set representing testing data associated with the communication environment or the channel environment, or both. The machine learning server may generate a reproducibility metric according to a correlation between the parameter set representing the training data and the parameter set representing the testing data.

Abstract: Method and apparatus for EIRP mask specifications with subarray antenna architectures. The apparatus selects at least one transmission configuration parameter of an antenna array based on an EIRP threshold including one or more of an average EIRP over multiple subarray architecture parameters or a maximum EIRP for each of the multiple subarray architecture parameters. The apparatus transmits based on the at least one transmission configuration parameter. The apparatus may measure at least one of the average EIRP or the maximum EIRP based on the selected at least one transmission configuration parameters. The apparatus may compare the selected at least one transmission configuration parameters with a configured set of acceptable parameters or non-acceptable parameters.

Abstract: Methods, systems, and devices for wireless communications are described. A device may receive a control signal that indicates one or more parameters for slot aggregation for the device. The slot aggregation may be associated with repetition of a transmission across a plurality of consecutive slots. The device may perform a mechanical displacement operation associated with a physical displacement of one or more antenna panels of the device. The device may transmit, based on a latency capability of the device corresponding to the mechanical displacement operation, a slot aggregation modification signal. The slot aggregation modification signal may request modification of the one or more parameters for the slot aggregation. The latency capability may be associated with a latency greater than a threshold latency.

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may be configured to report feedback to a base station to address polarization impairments in multiple-input multiple-output (MIMO) communications. The UE and the base station may establish a communications link using a pair of orthogonally polarized beams, where the pair of polarized beams may be selected based on a beam sweep procedure. The UE may transmit a report to the base station indicating one or more polarization parameters associated with beam pairs identified in the beam sweep procedure, such as one or more orthogonality parameters, one or more polarization parameters relating to one or more beam pairs, or one or more angular spread parameters. Based on the report, the base station may transmit a beam configuration to the UE for polarization MIMO communications.

Abstract: Methods, systems, and devices for wireless communications are described in which a first device may determine a state change based on a condition associated with communications between the first device and a second device and perform an adjustment for one or more sets of antenna elements of the first device based on the state change. A state change may, for example, include a change of an antenna configuration or a quasi co-location (QCL) configuration of the respective device. Based on determining the state change, the first device may transmit a state change request to the second device. According to the state change request, the second device may perform an adjustment for a set of one or more of its antenna elements. The second device may transmit an indication of an adjustment to the first device, and the first device and the second device may communicate according to the adjustment.

Abstract: Method and apparatus for sharing dynamic capability levels of calibration to other devices in a network. The apparatus transmits, to a second UE, a first calibration capability message indicating a first set of one or more levels of calibration capabilities. The apparatus performs an online calibration procedure with the second UE based at least on the first calibration capability message indicating the first set of one or more levels of the calibration capabilities. The apparatus may receive, from the second UE, a second calibration capability message associated with the second UE indicating a second set of one or more levels of the calibration capabilities for the second UE. The apparatus may transmit a beamforming loss indication indicating a loss in beamforming array gain with use of an uncalibrated amplitude or phase settings corresponding to at least one of an operating frequency, a temperature level, or a gain stage level.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a wireless device may transmit mechanical displacement information that indicates an expected amount of time to mechanically displace at least one antenna panel in the wireless device. The wireless device may receive a configuration for a set of beam failure reference signals (BFRSs) that are associated with the mechanical displacement information. The wireless device may receive the set of BFRSs in accordance with the configuration. 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 transmits beamforming capability information indicating one or more adaptive beam weights. The UE receives, after outputting the beamforming capability information, an indication of beamforming adjustment phase information. The beamforming adjustment phase information is based on circuit-level information of the UE associated with at least one of an adaptive beam weight synthesis period or an adaptive beam weight usage period. The UE adjusts the one or more adaptive beam weights based on the indication.

Abstract: Aspects relate to mechanisms for generating an enhanced beamforming codebook to cover an out-of-coverage region of an antenna module of a wireless communication device (e.g., a UE). The UE may include an initial beamforming codebook configuring a plurality of beam weights intended to cover an in-coverage region corresponding to a boresight direction and a neighborhood thereof of the antenna module. The UE may further configure one or more additional sets of beam weights intended to cover the out-of-coverage region beyond the boresight direction and the neighborhood thereof and then add the one or more additional sets of beam weights to the initial beamforming codebook to produce the enhanced beamforming codebook.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a rank information change signal associated with rules for switching between a two-layer (2L) mode and a four-layer (4L) mode via an antenna panel displacement operation. The UE may transmit a transition time parameter associated with an amount of time for transitioning between the 2L mode and the 4L mode. Numerous other aspects are described.

Abstract: In an embodiment, a first node receives, from a second node, a plurality of beams. The first node determines a time of arrival of each beam of the plurality of beams. The first node identifies, from the plurality of beams, one or more first beams of interest for a positioning procedure based on the times of arrival of the plurality of beams. The first node determines a first reference timing based on the time of arrival for a given beam among the identified one or more first beams of interest. The first node sends, to the second node, a positioning beacon in accordance with the first reference timing.

Abstract: Methods, systems, and devices for wireless communications systems are described. A user equipment (UE) may receive, from a network entity, a set of beam-swept synchronization signals associated with a testing procedure for the UE. The UE may select a first beam pair associated with a first antenna module of the UE from a set of multiple beam pairs associated with the received synchronization signals. The UE may receive a first module lock command and a first beam lock command, and may utilize the commands in performing a first set of measurements of the first beam pair at the first antenna module. The UE may receive a first beam lock deactivation command to release the first beam lock command of the first beam pair, and a first module lock deactivation command to release the first module lock command of the first antenna module.

Abstract: A first wireless device and a second device may negotiate a configuration of an RF chain calibration process with each other. The configuration of the RF chain calibration process may include a number of calibration rounds. The second wireless device may exchange, in each calibration round in the number of calibration rounds, at least one RS and at least one feedback message with the first wireless device. The second wireless device may identify one or more calibration adjustment parameters for the second wireless device based on the RF chain calibration process. The second wireless device may communicate with another wireless device based on the one or more calibration adjustment parameters.

Abstract: Methods, systems, and devices for wireless communications are described. A communication device, otherwise known as a user equipment (UE) may receive a first beamformed transmission associated with a directional beam from another UE. The UE may measure a main lobe or at least one side lobe associated with the directional beam, and determine a level of interference at the UE based on the measuring. One or more of the main lobe or the at least one side lobe associated with the directional beam may cause interference to a second beamformed transmission associated with another directional beam from a base station. The UE may transmit a beam report including an indication of the main lobe or the at least one side lobe associated with the directional beam causing the interference to the second beamformed transmission associated with the other directional beam from the base station.

Abstract: This disclosure provides systems, methods and apparatuses for controlling foldable user equipment (UE) functionality according to an indication to change a separation angle between a first portion of the foldable UE and a second portion of the foldable UE. Some examples involve providing a prompt to change the separation angle. In some examples, the indication may be associated with transmission of signals, reception of signals, a downlink data rate, an uplink data rate, or a combination thereof. According to some examples, providing the prompt may involve providing a visual prompt, providing an audio prompt, providing a sensory output, or a combination thereof.

Abstract: Methods, systems, and devices for wireless communications are described. Generally, the described techniques provide for efficiently determining a region in which a user equipment (UE) is located. The UE may perform measurements on reference signals received from a first network entity to determine the region in which the UE is located. In some cases, the UE may provide the measurements or other information to a second network entity, and the second network entity may indicate the region in which the UE is located to the UE based on the measurements or the other information. The second network entity or the UE may also indicate the region in which the UE is located to the first network entity. The UE and the first network entity may then select suitable beams for communicating based on the region in which the UE is located.

Abstract: Certain aspects of the present disclosure provide techniques for communicating antenna module information, beamforming capabilities, power control information, etc., for computing devices capable of operating in multiple form factor configurations. A example technique includes detecting that the UE is operating in a first form factor configuration of a plurality of form factor configurations the UE is adapted to operate in. The technique also includes, in response to the detection, transmitting information associated with at least one antenna module of the UE in the first form factor configuration.

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.