Abstract: Aspects described herein relate to transmitting and/or receiving devices securing or authenticating communications at a physical layer based on generated or received path information.

Abstract: Methods, systems, and devices for wireless communications are described. A method of wireless communication at a user equipment (UE) is described that may include receiving a data packet transmission over a wireless channel from a base station. The method may further include determining a set of intrinsic log likelihood ratios (LLRs) based at least in part on the data packet transmission and determining an accumulated capacity for the wireless channel based at least in part on the set of intrinsic LLRs. The method may also include determining a channel quality indicator index or a transmission rank for the wireless channel based at least in part on the accumulated capacity and transmitting a feedback message that indicates the channel quality indicator index or the transmission rank for the wireless channel to the base station.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, from a network node, a measurement configuration indicating one or more punctured resources of a physical downlink shared channel (PDSCH) that can be used for measurements associated with estimating an interference plus noise covariance (INC) matrix at the UE. The UE may receive, from the network node, a reporting configuration indicating one or more INC matrices at the UE to be reported. The UE may transmit, to the network node, a report indicating the one or more INC matrices at the UE based at least in part on receiving the reporting configuration. Numerous other aspects are provided.

Abstract: Apparatus, methods, and computer program products for flexible uplink transmission are provided. An example method may include receiving a configuration of resources for a PUCCH or a PUSCH associated with UCI, where the configuration of resources may be received from a network entity, where the UCI indicates a set of resources corresponding to a transmission in a first subset of resources associated with the PUSCH and a skipped transmission in a second subset of resources associated with the PUSCH or indicates an MCS for the PUSCH, where the UCI would overlap with an uplink transmission, where the set of resources may include the first subset of resources and the second subset of resources. The example method may further include transmitting at least one of the UCI or the uplink transmission to the network entity.

Abstract: Methods, systems, and devices for wireless communications are described. For a set of scheduled transmission instances of a data communication, a transmitting network node may determine a first spatial filter to apply for a first subset of the scheduled transmission instances configured to provide the data communication and a second spatial filter to apply for a second subset of the scheduled transmission instances configured to allow energy harvesting at an energy harvesting device. In some cases, the transmitting network node may indicate a first quasi co-location (QCL) relation to use for the first subset of the scheduled transmission instances configured to provide the data communication to the network node receiving the data transmissions, and the transmitting network node may indicate a second QCL relation to use for the second subset of the scheduled transmission instances configured to allow energy harvesting to the energy harvesting device.

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may be configured to communicating a first message with a base station in accordance with a first antenna configuration, a first set of resources, or both. The UE may transmit capability signaling indicating a capability of the UE to adjust the first antenna configuration, the first set of resources, or both, for channel reliability management. The UE may receive, based on the capability signaling, control signaling indicating one or more parameters for channel unreliability event detection associated with a downlink channel between the base station and the UE. The UE may then communicate a second message with the base station in accordance with a second antenna configuration, a second set of resources, or both, based at least in part on a channel unreliability event detected in accordance with the one or more parameters.

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may monitor for a downlink transmission from a network device, the downlink transmission comprising a set of parity bits. The UE may determine, based at least in part on the monitoring, a number of parity checks of the set of parity bits that either failed a parity check procedure or satisfied the parity check procedure. The UE may identify, based at least in part on the monitoring and the number of parity checks, a feedback status indicator for the downlink transmission. The UE may transmit a feedback message that includes the feedback status indicator and additional information based at least in part on the number of parity checks.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may transmit, to a base station, capability information that indicates whether the UE has a capability to support machine learning algorithms. The UE may receive, from the base station, configuration information that indicates one or more tasks to be performed in a machine learning mode or a non-machine learning mode based at least in part on the capability information. The UE may perform the one or more tasks in the machine learning mode or the non-machine learning mode. Numerous other aspects are described.

Abstract: Methods, systems, and devices for wireless communications are described. An example method of wireless communication at a user equipment includes receiving a data transmission for each of a plurality of component carriers (CCs) over a wireless channel from a base station, wherein each data transmission is associated with a number of code block groups (CBGs). The method further includes identifying a feedback protocol to apply to the plurality of CCs and selecting a subset of the plurality of CCs for which to report feedback information for the CBGs based at least in part on the feedback protocol. The method may also include generating the feedback information based at least in part on the subset of the plurality of CCs and the feedback protocol and transmitting a feedback message that indicates the feedback information for the subset of the plurality of CCs of the wireless channel to the base station.

Abstract: Aspects relate to signaling at least one relaying parameter for a wireless communication device that supports relaying operations. In some examples, the wireless communication device may send such a relaying parameter to a scheduling entity. The scheduling entity may then schedule a relaying operation for the wireless communication device based on the relaying parameter. For example, the scheduling entity may select the resources to be used for the relaying operation based on the relaying parameter. In some examples, a relaying parameter may indicate one or more of a relaying capability of a wireless communication device, an operational condition (e.g., requirement) for relaying by a wireless communication device, a relaying configuration for a wireless communication device, or a combination thereof.

Abstract: The present disclosure provides systems, methods, and apparatuses, including computer programs encoded on computer storage media, directed to configuration of communication states for bandwidth parts (BWPs) in which a network node may communicate with a user equipment (UE). Such communication states may be implemented to conserve power and serve cell traffic. In some aspects, an apparatus may be configured to obtain an indication associated with configuring a first set of BWPs from a network node, each of the first set of BWPs corresponding to a first communication state of a set of communication states for the network node. The apparatus may be further configured to communicate with the network node on a set of resources in one of the first set of BWPs, the set of resources being associated with the first communication state of the set of communication states.

Abstract: Certain aspects of the present disclosure provide techniques for wireless communications by a user equipment (UE). A technique includes receiving an indication of one of a first radio or a second radio; receiving, using the first radio, a wakeup signal; and transmitting, using the indicated one of the first radio or the second radio, feedback indicating reception of the wakeup signal.

Abstract: Methods, systems, and devices for wireless communications are described. A network entity may select a network energy saving mode from a set of network energy saving modes based on traffic conditions. The network entity may transmit a message indicating the network energy saving mode, a set of operating states corresponding to the network energy saving mode, and one or more time durations corresponding to the set of operating states, the set of operating states associated with one or more operating parameters corresponding to the one or more time durations. After transmitting the message, the network entity may activate the network energy saving mode for one or more components based on the one or more time durations. The UE may receive the message and perform one or more operations in accordance with the one or more operating parameters for the one or more time durations based on receiving the message.

Abstract: Certain aspects of the present disclosure provide techniques for wireless communications by a user equipment (UE). In one aspect, a method includes determining that (1) a first scheduled sidelink transmission to a first receiving UE using a first set of component carriers and (2) a second scheduled sidelink transmission to a second receiving UE using a second set of component carriers will overlap in a time domain; determining that the first scheduled sidelink transmission has a first transmission time length and the second scheduled sidelink transmission has a second transmission time length, wherein the second transmission time length is shorter than the first transmission time length; segmenting the first scheduled sidelink transmission into a plurality of first sidelink transmission segments; and sending, to the first receiving UE, an indication of the plurality of first sidelink transmission segments.

Abstract: Certain aspects of the present disclosure provide techniques for generating energy signals and interference cancellation. An example method includes transmitting, to a network entity, an indication of a preferred configuration for transmission of an energy signal to power one or more components of the first UE and receiving the energy signal from the network entity based, at least in part, on the preferred configuration.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a first user equipment (UE) may obtain a sidelink resource pool configuration indicating multiple waveforms that are available for use for sidelink signals associated with a sidelink resource pool. The first UE may communicate, with a second UE and via a sidelink channel, a first sidelink signal associated with the sidelink resource pool, wherein the first sidelink signal uses a first waveform from the multiple waveforms, and wherein the first waveform is used based at least in part on at least one of: a condition associated with the sidelink channel, or receiving a communication indicating that the first waveform is to be used by the first UE. 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 receive an indication of a first dormancy state, of a plurality of dormancy states, for a set of frequency resources within a bandwidth part of a component carrier, wherein each dormancy state of the plurality of dormancy states is associated with a respective set of activities that are enabled for that dormancy state. The UE may switch the set of frequency resources to the first dormancy state. Numerous other aspects are described.

Abstract: A user equipment (UE) may be configured to encode at least one partial uplink (UL) repetition using a sequence-based encoding based on a codebook, the first partial UL repetition not including a demodulation reference signal (DM-RS). A base station may transmit a configuration of the encoding scheme of the partial UL repetitions to the UE, and the UE may encode the at least one partial UL repetition based on the received configuration. The base station may decode the received at least one partial UL repetition based on the configuration.

Abstract: The apparatus may include a base station and UEs configured to communicate via sidelink communication. The UEs may select transmission resources from a resource pool including first periodic resources for PSFCH and second periodic resources for SL-RS, and rate-match the PSSCH around at least one of the first period resources or the second period resources. The second periodic resources may be shifted in time or canceled based on the first periodic resources. The base station may configure the UEs based on the UEs' capabilities to support the SL-RS and rate-matching the PSSCH around the multiplexed SL-RS and PSFCH.

Abstract: Aspects relate to mechanisms for wireless communication devices to report sub-band (SB) channel state information (SB-CSI). A UE receives a physical downlink shared channel (PDSCH) transmission from a base station. The UE transmits either an acknowledgement (ACK) transmission or a negative acknowledgement (NACK) transmission to the base station in response to a reception of the PDSCH transmission. The UE determines whether to transmit a sub-band (SB) channel state information (SB-CSI) report to the base station based on whether the ACK transmission is transmitted to the base station or whether the NACK transmission is transmitted to the base station.