Abstract: Methods, systems, and devices for wireless communications are described. In some cases, a user equipment (UE) may transmit a control message indicating semi-persistent (SP) resources for multiple wireless devices scheduling within a set of resource reservation periods. The UE may measure one or more channel conditions of a channel during a first resource reservation period of the set of resource reservation periods, the channel associated with the SP resources for the multiple wireless devices. Additionally, the UE may adapt a compression parameter of one or more signals to be transmitted to the multiple wireless devices during the first resource reservation period based on the one or more channel conditions and may transmit, to the multiple wireless devices, one or more compressed signals generated based on the compression parameter and the one or more signals.

Abstract: Techniques are provided for reporting, by a device, positioning-related information to a network entity. In an example, the device receives signaling information of the network entity. The signaling information indicates one or more parameters for a report on a reference signal that is transmitted by a base station. The device also receives multiple propagations of the reference signal upon a transmission of the reference signal by the base station. Based on the signaling information, the device generates the report, where the report comprises a power and a time delay per propagation of the reference signal. The device transmits the report to the network entity, where a position of the device is determined by the network entity based on the report.

Abstract: Certain aspects of the present disclosure provide techniques for wireless communications. An example method includes generating a sidelink control information (SCI) payload; and transmitting the SCI payload on a first antenna and a second antenna, wherein at least one of: a first configuration of bits of the SCI payload is associated with the first antenna and a second configuration of the bits of the SCI payload is associated with the second antenna, or a first configuration of modulation symbols of the SCI payload is associated with the first antenna and a second configuration of modulation symbols of the SCI payload is associated with the second antenna, or resource blocks of the SCI payload are alternated between the first antenna and the second antenna.

Abstract: Methods, systems, and devices for wireless communications are described. In some cases, a user equipment (UE) may communicate during a first slot in accordance with a first slot format, where, in accordance with the first slot format, each symbol of the first slot is associated with a first symbol numerology corresponding to a first subcarrier spacing (SCS). Additionally, the UE may receive control signaling indicative of a switch from the first slot format to a second slot format and, thus, may communicate during a second slot in accordance with the second slot format. In accordance with the second slot format, a first subset of symbols of the second slot may be associated with the first symbol numerology and a second subset of symbols of the second slot may be associated with a second symbol numerology corresponding to a second SCS, where the second SCS is different from the first SCS.

Abstract: Methods, systems, and devices for wireless communications are described. Sub-band full-duplex (SBFD) communications using ultra wide band (UWB) may be coordinated for multiple users. A first wireless communication device may receive, from a first user equipment (UE), a request for resources for SBFD with a second wireless communications device. The first wireless communication device may transmit, based on the capability of the first UE and in response to the request, control signaling indicating a first frequency band for signaling from the first UE to the second wireless communications device and a second frequency band for signaling from the second wireless communications device to the first UE. The first frequency band and the second frequency band are separated by a third frequency band that is allocated, by the first wireless communications device, for SBFD communication between a second UE and a third wireless communications device.

Abstract: Apparatus, methods, and computer program products for utilizing sub-Terahertz (THz) communication are provided. An example method may include establishing a first communication with a network entity on a primary cell. The example method may further include transmitting, to the network entity via the primary cell, a capability indication associated with the first wireless device. The example method may further include receiving, from the network entity based on the capability indication via the primary cell, an activation for a sub-THz communication associated with a UE and a configuration of a synchronization and beam management session for the first wireless device, the sub-THz communication being on a first frequency range that does not include a second frequency of the first communication. The example method may further include communicating, with the UE and the network entity via the sub-THz communication, at least one data channel transmission.

Abstract: Certain aspects of the present disclosure provide techniques for wireless communications by a device. A method generally includes receiving, on a sidelink from a second UE, a first automatic gain control (AGC) symbol associated with a physical sidelink control channel (PSCCH) transmission and a second AGC symbol associated with a physical sidelink shared channel (PSSCH) transmission, wherein the first AGC symbol and the second AGC symbol are within a symbol length of the sidelink, and obtaining at least one of the PSCCH transmission or the PSSCH transmission on the sidelink in accordance with a gain parameter associated with a corresponding symbol, of the first AGC symbol or the second AGC symbol.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may transmit, to a network entity via an access link, a first set of signals associated with a data set. The UE may transmit, to a wireless device via a sidelink, precoding information and a second set of signals that includes a plurality of repetitions associated with the data set. 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, capability information indicating an antenna augmentation capability of the UE. The UE may transmit, to the network node, an indication of a companion device that supports antenna augmentation for the UE. The UE may receive, from the network node, configuration information indicating one or more channel state feedback (CSF) report formats that support antenna augmentation. Numerous other aspects are described.

Abstract: Method and apparatus for downlink control channel for transmit equalization waveforms for XR devices. The apparatus configures a payload comprising at least sidelink control data and a transmit equalization matrix for transmission within a transmit pre-equalization refresh period. The sidelink control data comprising at least one of a first part or a second part. The apparatus applies an equalization procedure to the payload based at least on the transmit equalization matrix. The apparatus transmits, to a second wireless device, the payload comprising at least the sidelink control data and the transmit equalization matrix.

Abstract: Systems, methods, and devices for quantization parameter signaling for rank augmentation in wireless communications are described. According to an aspect of the present disclosure, a method performed by a user equipment (UE) comprises: receiving, from a network unit, a first control communication; transmitting, to a wireless communication device, a second control communication indicating one or more quantization parameters, wherein the one or more quantization parameters are based on the first control communication; receiving, from the network unit, a downlink data communication; and receiving, from the wireless communication device, a quantized downlink data communication, wherein the quantized downlink data communication is based on the one or more quantization parameters and the downlink data communication.

Abstract: A communications device inputs channel state information to an artificial neural network. The communications device predicts weather conditions with the artificial neural network based on the channel state information. The communications device further adjusts communications based on the predicted weather conditions.

Abstract: Methods, systems, and devices for wireless communication are described. Various aspects relate to mixed numerology slot structures for sidelink communication. Some aspects more specifically relate to mixed numerology slot structures that define how a slot may be associated with two or more subcarrier spacings (SCSs). For example, a mixed numerology slot structure may define that a first set of one or more symbols of a slot is associated with a first SCS and that a second set of one or more symbols of the slot is associated with a second SCS. Symbols of the slot that are associated with a communication direction switch or automatic gain control (AGC) training may be associated with a relatively largest SCS. Other symbols of the slot may be associated with any combination of one or more other SCSs in accordance with the mixed numerology slot structure.

Abstract: Certain aspects of the present disclosure provide techniques for motor-based lens beamformer direction fine tuning. An exemplary method performed by a first apparatus includes communicating one or more transmissions with a second apparatus using a plurality of communication beams, generated by at least one lens beamformer of the first apparatus, having different spatial directions and adjusting, using at least one motor of the first apparatus coupled with the at least one lens beamformer, the different spatial directions of the plurality of communication beams generated by the at least one lens beamformer.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a network node may establish a sub-terahertz (sub-THz) link with a sub-THz node, wherein the sub-THz link is associated with a secondary cell (SCell) of the network node, and the sub-THz link is associated with a long-lasting data offloading session. The network node may schedule an additional synchronization and beam management session between the network node and the sub-THz node. The network node may perform synchronization and beam management during the additional synchronization and beam management session to achieve a time synchronization between the network node and the sub-THz node and to refine an SCell transmit (Tx) beam and an SCell receive (Rx) beam for the sub-THz link. Numerous other aspects are described.

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may perform an initialization procedure with an extended reality (XR) device including a time synchronization and a frequency synchronization. The UE may receive, from the XR device and at a first periodicity, first pilot signals, and may transmit, based on receiving the first pilot signals, a first control message indicating a first set of correction factors to apply to at least one of the time synchronization or the frequency synchronization. The UE may transmit, to the XR device and at a second periodicity, a second pilot signal, and may receive, from the XR device, a second control message including samples of the second pilot signal. The UE may transmit, based on the samples, a third control message indicating a second set of correction factors to apply to the time synchronization between the UE and the XR device.

Abstract: Methods, systems, and devices that support channel estimation reference signals for pre-equalization are described. In some examples, channel state information (CSI) for a link between a user equipment (UE) and another wireless device may be acquired by the UE based on samples of a downlink reference signal transmitted from the UE to the wireless device. Specifically, the wireless device (e.g., an extended reality (XR) device) may obtain samples of the downlink reference signal (e.g., a channel estimation reference signal) and report or indicate (e.g., transmit) the samples to the UE via an uplink transmission. For example, the reference signals may be sampled at the wireless device side, and CSI may be obtained using the samples signaled back to the UE by the wireless device. The UE may perform channel estimation based on the received samples, which may enable transmit pre-equalization of signals sent to the wireless device.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may obtain one or more joint scheduling rules associated with Long Term Evolution (LIE) communications and New Radio (NR) communications in a half-duplex communication system. The UE may identify a channel busy ratio (CBR) associated with the half-duplex communication system. The UE may prioritize an LTE communication or an NR communication based at least in part on the one or more joint scheduling rules and the CBR. Numerous other aspects are described.

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may perform an initial pairing procedure with an extended reality (XR) device via a narrow band (NB) sidelink connection. The initial pairing procedure may establish an ultra wideband (UWB) sidelink connection between the UE and the XR device. The UE may transmit control signaling indicating a set of resources for the UWB sidelink connection. The set of resources may correspond to a local timeline for sidelink communications between the UE and the XR device. The UE may translate a cellular timeline for communications to generate the local timeline. The UE may transmit a triggering signal via the NB sidelink connection initiating sidelink communications between the UE and the XR device according to the local timeline for sidelink communications.

Abstract: Methods, systems, and devices for wireless communications are described. In some cases, a network entity may estimate an uplink sampling time offset (STO) associated with a user equipment (UE) based on an uplink signal from the UE and may remove the uplink STO from a first estimated channel to generate a second estimated channel. Thus, the network entity may equalize a first downlink signal in accordance with the second estimated channel and may transmit the first downlink signal to the UE. The network entity may additionally receive an indication of a downlink STO associated with the UE based on transmission of the first downlink signal and may equalize a second downlink signal in accordance with a third estimated channel, where the third estimated channel is based on (e.g., free of) the uplink STO and the downlink STO.