Abstract: A lens antenna array system for wireless communication is provided that includes a transmitter having a first lens and a receiver having a second lens. The transmitter transmits a first plurality of RF signals across a plurality of near-field communication links to the receiver. Based upon a first signal quality determination at the receiver, the transmitter adjusts a plurality of gains to increase a signal quality for a second plurality of RF signals transmitted across the plurality of near-field communication links.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a repeater may receive, from a network node, a transmission configuration indication (TCI) for a plurality of synchronization signal block (SSB) beams, wherein the TCI indicates a quasi co-location (QCL) type for a spatial transmit (Tx) parameter for the plurality of SSB beams, and the QCL type for the spatial Tx parameter indicates that the plurality of SSB beams are Tx spatially correlated. The repeater may receive, from the network node, the plurality of SSB beams in accordance with the TCI, wherein the plurality of SSBs are associated with a direction of the repeater. The repeater may relay, to a user equipment (UE), the plurality of SSB beams. 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 transmit, to a network node, an indication of a first bandwidth requested to be used for communications between the UE and the network node, the first bandwidth being based at least in part on a parameter associated with the UE, and the parameter being based at least in part on one or more channel conditions. The UE may receive, from the network node, an indication that the first bandwidth or a second bandwidth is to be used for the communications between the UE and the network node. 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 detect, using an image sensor, an optical beacon of a network node. The UE may receive reference signals using a sweep of a plurality of beams that is based at least in part on a relative direction of the optical beacon of the network node. Numerous other aspects are provided.

Abstract: Method and apparatus for channel oriented modulation selection for improved spectral efficiency. The apparatus receives an activation indication indicating an activation of a modulation selection procedure and a set of REs used for the modulation selection procedure. The activation indication indicating a first modulation for a first subset of REs within the set of REs and a second modulation for a second subset of REs within the set of REs, the first subset of REs having a higher quality than the second subset of REs. The apparatus receives downlink communication based on the modulation selection procedure.

Abstract: A device generates an estimated size of encoded versions of one or more pictures of video data prior to generating the encoded versions of the one or more pictures. A physical layer of a radio system of the device is configured to send a message to a wireless base station. The message indicates a size value based on the estimated size of the encoded versions of the one or more pictures. The physical layer of the radio system receives an uplink grant notification in response to the message. Based on the uplink grant notification, the physical layer of the radio system sends packets to the wireless base station containing the encoded versions of the one or more pictures.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a communication device may classify a set of packets of streaming video content based at least in part on one or more video characteristics, wherein the one or more video characteristics relate to an effect of a packet on a quality of experience of providing the streaming video content; assign the set of packets to a plurality of transport blocks, wherein a first transport block is associated with a first set of values for a set of communication parameters and a second transport block is associated with a second set of values for the set of communication parameters; and provide the plurality of transport blocks for transmission based at least in part on assigning the set of packets to the plurality of transport blocks. Numerous other aspects are provided.

Abstract: Some techniques and apparatuses described herein provide radio frequency (RF) beamforming using a cylindrical lens and interleaved receive and transmit antenna arrays. In one example, an apparatus for wireless communication may include a cylindrical lens having a first surface and a curved second surface opposite to the first surface. In some cases, the cylindrical lens may include a power direction corresponding to a curvature of the curved second surface and a non-power direction that is orthogonal to the power direction. In some aspects, the apparatus can include at least one receive antenna array disposed proximate to the first surface of the cylindrical lens that has a plurality of receive antenna array elements. In some examples, the apparatus can include at least one transmit antenna array disposed proximate to the first surface of the cylindrical lens that has a plurality of transmit antenna array elements.

Abstract: This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for lens design for full-duplex communication. In some aspects, a device may use a lens design that enables full-duplex operation through a lens by facilitating an avoidance or mitigation of self-interference during full-duplex operation. The lens may have a first, antenna-facing surface and a second, outward-facing surface and, to avoid or mitigate self-interference due to reflection off the lens, the first surface may have a first curvature associated with a relatively small radius. In such examples, the device may transmit wireless signaling from a transmitting element and a reflection off the lens may be dispersed or otherwise oriented away from a receiving element in accordance with a design of the first curvature. In some implementations, the lens may include an anti-reflective coating to further reduce reflection off the lens.

Abstract: Methods, systems, and devices for wireless communications are described. A communications device may transmit a first signal. The first signal may be transmitted from a first antenna array of the communications device through a lens of the communications device in a direction. An energy of a portion of the first signal may be below a threshold based on a position of a second antenna array of the communications device. The portion of the first signal may correspond to a portion of a reflection of the first signal that overlaps with the position of the second antenna array. The communications device may concurrently receive, at the second antenna array, a second signal originating from another direction, where the second signal may be focused in the direction of the second antenna array based on the lens.

Abstract: Some techniques and apparatuses described herein provide radio frequency (RF) beamforming using a cylindrical lens and interleaved receive and transmit antenna arrays. In one example, an apparatus for wireless communication may include a cylindrical lens having a first surface and a curved second surface opposite to the first surface. In some cases, the cylindrical lens may include a power direction corresponding to a curvature of the curved second surface and a non-power direction that is orthogonal to the power direction. In some aspects, the apparatus can include at least one receive antenna array disposed proximate to the first surface of the cylindrical lens that has a plurality of receive antenna array elements. In some examples, the apparatus can include at least one transmit antenna array disposed proximate to the first surface of the cylindrical lens that has a plurality of transmit antenna array elements.

Abstract: This disclosure provides systems, devices, apparatus, and methods, including computer programs encoded on storage media, for measurement and reporting techniques based on zero power slots. A UE may receive an allocation of one or more ZP slots from a network entity. The one or more ZP slots may correspond to one or more transmission gaps associated with the network entity. The UE may detect noise energy in the one or more ZP slots corresponding to the one or more transmission gaps associated with the network entity and measure the noise energy detected in the one or more ZP slots. The measured noise energy in the one or more ZP slots may correspond to a frequency dependence of an Rx signal at the UE.

Abstract: Some techniques and apparatuses described herein provide radio frequency (RF) beamforming using a cylindrical lens for implementing phased array beamforming in one direction and lensed beamforming in a second direction. In one example, an apparatus for wireless communication may include a cylindrical lens having a first surface and a second surface opposite to the first surface. In some cases, the cylindrical lens may include a power direction that corresponds to a curvature of the first surface and a non-power direction that is orthogonal to the power direction. In some aspects, the apparatus can include a plurality of linear antenna arrays disposed proximate to the second surface of the cylindrical lens, wherein each linear antenna array of the plurality of linear antenna arrays includes a plurality of antenna array elements.

Abstract: Wireless communications systems and methods related to beam refinement with simultaneous spatial-division multiplexed beams are provided. A user equipment (UE) receives, from a base station (BS), a plurality of reference signals in a set of beam directions. The receiving includes receiving, simultaneously during a first symbol, at least a first reference signal of the plurality of reference signals in a first beam direction of the set of beam directions and a second reference signal of the plurality of reference signals in a second beam direction of the set of beam directions, where the second beam direction is different from the first beam direction. The UE transmits, to the BS, a beam report indicating received signal measurements for two or more beam directions of the set of beam directions.

Abstract: Aspects of disclosure relate to dynamically modifying a synchronization signal block (SSB) beam configuration in a wireless communication system. In an aspect, a UE receives, from a base station, a first message triggering the UE to measure a signal strength of SSB beams transmitted from the base station. The UE then sends, to the base station, a second message including a report of the signal strength of the SSB beams and receives, from the base station, a third message indicating at least an SSB beam of the SSB beams or a quasi-colocation (QCL) type to use based on the report. The UE then establishes a connection with the base station using an indicated SSB beam or QCL type.

Abstract: This disclosure provides methods, devices and systems for pre-compensation of downlink communication based on a transmission of a request for the pre-compensation from a user equipment (UE). For example, the UE may determine an impairment at the UE that has a greater severity (a greater impact on downlink communication) or is associated with a greater amount of resources for processing relative to a remainder of a set of impairments that is experienced at the UE and the UE may transmit a request for pre-compensation of the impairment by a base station. The base station may transmit feedback to the UE indicating a confirmation of pre-compensation for the impairment by the base station or to deferment of compensation for the impairment back to the UE. If the base station acknowledges pre-compensation for the impairment, the base station may pre-compensate a downlink transmission to the UE for the impairment.

Abstract: Aspects of disclosure relate to a UE reporting to a gNB time delays and phases of pilot signals received via multiple transmission paths in order for the gNB to pre-equalize a future transmission to the UE. The UE determines a first time delay for receiving a first pilot signal from a gNB via a first path, determines a second time delay for receiving a second pilot signal from the gNB via a second path, and generates a report based on the first time delay and the second time delay. The UE then sends the report to the gNB and receives a multi-TRP signal from the gNB via the first path and the second path, wherein the multi-TRP signal is pre-equalized for transmission based on the report to at least have a same time delay as a shorter one of the first time delay or the second time delay.

Abstract: Methods, systems, and devices for wireless communications are described. In some systems, a user equipment (UE) may measure a received power of one or more reference signals, such as channel state information (CSI) reference signals (CSI-RSs) or synchronization signal blocks (SSBs), transmitted by a base station for a beam management procedure. The UE may determine a set of channel statistics associated with a channel used by the base station to transmit the one or more reference signals based on performing the beam management procedure. The UE may transmit a report to the base station, the report including at least an indication of the received of the one or more reference signals and the set of channel statistics. The base station may select a beam or a channel for communication with the UE based on at least the indication of the received power and the set of channel statistics.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may transmit an indication of a capability to receive or transmit a time domain communication having a first portion of a symbol configured with a first modulation and coding scheme (MCS) and a second portion of the symbol configured with a second MCS that is different from the first MCS. The UE may receive or transmit the time domain communication having the first portion configured with the first MCS and the second portion configured with the second MCS. Numerous other aspects are described.

Abstract: A lens antenna array system for wireless communication is provided that includes a transmitter having a first lens and a receiver having a second lens. The transmitter transmits a first plurality of RF signals across a plurality of near-field communication links to the receiver. Based upon a first signal quality determination at the receiver, the transmitter adjusts a plurality of gains to increase a signal quality for a second plurality of RF signals transmitted across the plurality of near-field communication links.