Abstract: Systems and techniques are provided for wireless communication. For example, an energy harvesting (EH)-capable device for wireless communication can provide, to a network entity, EH information corresponding to one or more EH characteristics of the EH-capable device. The EH-capable device can receive, from the network entity, a first radio frequency (RF) signal, wherein the first RF signal is based on the EH information. The EH-capable device can perform energy harvesting using the first RF signal.

Abstract: Wireless communications systems and methods related to routing communications in a multiple-relay environment are provided. A base station (BS) transmits, to one or more wireless communication devices, a reference signal configuration indicating one or more reference signal resources. The base station receives, from a first wireless communication device of the one or more wireless communication devices, a channel state report based on one or more reference signals in the one or more reference signal resources. The channel state report includes channel measurement information for one or more links, each link connecting a wireless communication device of the one or more wireless communication devices to a user equipment (UE). The BS transmits, to the UE via a second wireless communication device of the one or more wireless communication devices based on the channel state report, a data signal.

Abstract: Mechanisms for transmitting a plurality of uplink (UL) transmission block (TB) repetitions associated with a plurality of TBs in a configured grant (CG) resource are provided. In one aspect, a method for multi-TB PUSCH repetition performed by a CE includes determining, based on a first parameter and a second parameter, a number of transport blocks (TBS) for a multi-TB repetition uplink (UL) communication in a configured grant (CG) resource, where the first parameter indicates a first number of TB repetitions, and where the second parameter indicates a second number of TB repetitions. The method further includes transmitting, to a base station (BS) using the CG resource in an unlicensed band, a plurality of TB repetitions based on the determined number of TBs.

Abstract: A method for wireless communication performed by a wireless device includes aggregating a number of component carriers (CCs) to generate a virtual CC. The method also includes allocating data channel resources in the virtual CC based on a virtual bandwidth part (BWP) and allocating control channel resources in the virtual CC based on the virtual BWP. The method further includes communicating on a data channel based on the allocated data channel resources and communicating on a control channel based on the allocated control channel resources.

Abstract: Apparatus, methods, and computer-readable media for connected mode discontinuous reception (DRX) enhancement with wakeup signal for sidelink communication are disclosed herein. A receiver user equipment (UE) may receive a sidelink DRX configuration that configures the receiver UE with a first sidelink DRX configuration or a second sidelink DRX configuration, the first sidelink DRX configuration configuring the receiver UE to transition into a sleep state and the second sidelink DRX configuration configuring the receiver UE to transition into a wakeup state, both upon indication of the sidelink WUS. The receiver UE transitions into the sleep state in a second DRX cycle based on the sidelink WUS being received within a sidelink WUS monitoring occasion and the first sidelink DRX configuration, or transitions into the wakeup state based on the sidelink WUS being received within the sidelink WUS monitoring occasion and the second sidelink DRX configuration.

Abstract: Methods, systems, and devices for wireless communications supporting scheduling and resource reservation for multi-slot transmissions are described. A first user equipment (UE) may transmit a sidelink control information (SCI) message to one or more other UEs. The SCI message may reserve sidelink resources across multiple slots. Then, the UE may perform a listen-before-talk (LBT) procedure before the multiple slots. In some examples, the LBT procedure may indicate that the reserved sidelink resources are available, and the UE may transmit sidelink data to one or more other UEs via the multiple slots. The sidelink data (e.g., cyclic prefix (CP) associated with the sidelink data) transmitted via the multiple slots may occupy one or more of a gap symbol of the multiple slots, or an automatic gain control (AGC) symbol of the multiple slots.

Abstract: Wireless communications systems and methods related to determining and transmitting delay measurements, such as propagation delay, between a base station (BS) and a user equipment (UE) are provided. In some aspects, a UE may receive, from a BS, a positioning reference signal (PRS). The UE may further transmit, in response to and at a predetermined time after the receiving the PRS, a sounding reference signal (SRS) to the BS. Further, the UE may receive, from the BS, a delay measurement corresponding to the PRS.

Abstract: Aspects of the disclosure relate to sidelink (SL) discontinuous reception (DRX) techniques. A first device may determine SL DRX configuration parameters for SL communication between the first device and a second device. The SL DRX configuration parameters include a plurality of first transmission durations and a plurality of first DRX on-durations, the plurality of first transmission durations include times during which the first device is permitted to transmit via SL communication to the second device and the plurality of first DRX on-durations include times during which the first device monitors for SL communication from the second device. The first device may, at least one of, monitor for SL communication from the second device during at least one of the plurality of first transmission durations, or transmit via SL communication to the second device during at least one of the plurality of first DRX on-durations.

Abstract: Methods, systems, and devices for wireless communications are described. In sidelink communications, multiple user equipments (UE) smay access and utilize communications resources, sense other UEs, and coordinate utilization of resources. A conflict may occur between resource reservations of two UEs. Described techniques provide for a determined transmission by a first UE of a conflict indication message to one UEs. The first UE may account for one or more channel access parameters affecting the likelihood of the second UE and the third UE being able to access the reserved reservations when determining to which UE to transmit the conflict indication message (e.g., which UE is the UE-B). The first channel access parameter and the second channel access parameter may be based on a channel occupancy time, a channel sensing duration, a cyclic prefixed extension, and/or a number of retransmissions, associated with the first resource reservation and the second resource reservation.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a wireless communication device (WCD) may receive, from one or more additional WCDs, one or more indications of available resource block sets and associated cyclic prefix extension (CPE) configurations, the available resource block sets associated with a mixed channel-occupancy time (COT). The WCD may modify at least one of the CPE configurations to time-align the available resource block sets for transmission of one or more communications. The WCD may transmit the one or more communications via the available resource block sets. Numerous other aspects are described.

Abstract: The present disclosure relates to methods and devices for wireless communication including an apparatus, e.g., a UE and/or a base station. In one aspect, the apparatus may receive, from a base station, SPS via RRC signaling. The apparatus may also determine a UE Rx-Tx time difference, the UE Rx-Tx time difference being equal to a difference between a downlink subframe reception time and an uplink subframe transmission time. The apparatus may also transmit, to the base station, the UE Rx-Tx time difference or receive, from the base station, a base station Rx-Tx time difference, the base station Rx-Tx time difference being equal to a difference between an uplink subframe reception time and a downlink subframe transmission time.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may identify one or more sets of parameters for resource selection for a multiple consecutive slot transmission (MCST). The UE may identify a resource selection window based at least in part on the one or more sets of parameters. The UE may select a set of candidate multi-slot resources in accordance with the resource selection window and based at least in part on a threshold associated with the MCST. The UE may perform a transmission associated with at least one of the set of candidate multi-slot resources. Numerous other aspects are described.

Abstract: Methods, systems, and devices for wireless communications are described. A first user equipment (UE) may be configured to receive, from a second UE, a first sidelink control message indicating a first reserved resource to be used by the second UE for sidelink communications in a shared radio frequency spectrum band. The first UE may additionally receive, from a third UE, a second sidelink control message indicating a second reserved resource to be used by the third UE for sidelink communications in the shared radio frequency spectrum band. The first UE may transmit an indication of a conflict between the first and second reserved resources based on the first and second reserved resources overlapping in time and frequency, a signal strength for a signal received from the second UE, the third UE, or both, and a channel access parameter for communications with the second UE, the third UE, or both.

Abstract: Methods, systems, and devices for wireless communications at a first user equipment (UE) may be described. A user equipment (UE) may receive, from second and third UEs, first and second sidelink reservation messages that reserve at least first and second sidelink resources and indicate first and second starting transmission points for transmission of first and second messages. The UE may determine that the first and second sidelink resources overlap in time and frequency. The UE may transmit a conflict indication message to the second UE or the third UE based on a transmission conflict, the transmission conflict being identified based on the first and second starting transmission points and whether the second UE and the third UE may be hidden nodes to one another.

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, an uplink request including an indication that data associated with the uplink request is delay sensitive. The UE may receive, from the base station, an uplink grant associated with a logical channel group including a logical channel for the data, wherein the logical channel group is associated with a higher priority than one or more other logical channel groups. The UE may transmit, to the base station and using the logical channel, the data, based at least in part on the uplink grant. 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 receive a configuration of a feedback resource associated with a sidelink feedback channel, wherein the feedback resource is associated with an eight-level code division multiplexing (CDM) scheme. The UE may transmit a feedback communication associated with a sidelink data communication using the feedback resource, wherein transmitting the feedback communication is based at least in part on using the eight-level CDM scheme to generate the feedback communication. Numerous other aspects are described.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a first user equipment (UE) may receive first sidelink control information (SCI) indicating a first reserved resource for a second UE. The UE may receive second SCI indicating a second reserved resource for a third UE. The UE may generate an indication of inconsistent cyclic prefix extensions (CPEs) based at least in part on a first CPE of the first reserved resource and a second CPE of the second reserved resource. The UE may transmit the indication to one or more of the second UE or the third UE. Numerous other aspects are described.

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive a control message that indicates, to the UE, to perform wideband operations for partial sidelink messages using a carrier of an unlicensed radio frequency spectrum band. The carrier may include multiple listen-before-talk (LBT) sub-bands and the wideband operations may be associated with communications using a bandwidth that exceeds a threshold bandwidth. In some examples, the UE may perform multiple LBT procedures for the multiple LBT sub-bands and one or more LBT procedures may fail. The UE may transmit the one or more portions of the sidelink message using the one or more LBT sub-bands based on the one or more LBT procedures being associated with a first LBT sub-band different from a second LBT sub-band used for transmission of sidelink control information (SCI).

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a first physical sidelink shared channel (PSSCH) message. The UE may transmit a second PSSCH message, wherein the second PSSCH message is multiplexed with a physical sidelink feedback channel (PSFCH) that carries hybrid automatic repeat request (HARQ) feedback for the first PSSCH message. Numerous other aspects are described.

Abstract: Methods, systems, and devices for wireless communications are described. Various aspects relate generally to signaling- or configuration-based mechanisms according to which user equipments (UEs) may prioritize between participating in communication of a sidelink reference signal or participating in communication of a sidelink data message in scenarios in which a candidate sidelink reference signal transmission occasion at least partially overlaps in time with the sidelink data message. Some aspects more specifically relate to prioritization techniques or transmission modes according to which a UE may select or otherwise ascertain a priority of a sidelink reference signal transmission or reception based on how recently a previous sidelink reference signal transmission or reception occurred. Further, some aspects relate to how a UE may transmit signaling in accordance with a decision at the UE to prioritize one of a sidelink reference signal or a sidelink data message.