Abstract: Methods, systems, and devices for wireless communication are described. A user equipment (UE) may receive, while operating in a discontinuous reception mode, a grant scheduling a sidelink data message for the UE over a shared radio frequency spectrum band, the grant indicating a set of feedback channel occasions associated with the sidelink data message. The UE may transmit at least one feedback message indicating a feedback status of the sidelink data message during at least one feedback channel occasion of the set of feedback channel occasions. The UE may initiate, based at least in part on the at least one feedback channel occasion, a round-trip timer associated with the at least one feedback message during which the UE suppresses monitoring for a retransmission of the sidelink data message.

Abstract: Aspects relate to selection of a channel access priority class (CAPC) table for a sidelink channel access procedure on an unlicensed carrier in a sidelink network. A wireless communication device (e.g., a UE or sidelink device) may select between a downlink CAPC table and an uplink CAPC table based on at least one of a sidelink mode, a role of the wireless communication device in the sidelink network, a cast type of sidelink traffic to be transmitted by the wireless communication device, or a channel type of the sidelink traffic.

Abstract: This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for maintaining, between a user equipment (UE) and a component of a base station (BS), a mutual understanding of multiple sets of linked physical downlink control channel (PDCCH) candidates if some PDCCH candidates of the multiple sets of linked PDCCH candidates occupy a same set of resources. In one aspect, the UE may select to monitor one of the PDCCH candidates that occupy the same set of resources in accordance with a prioritization rule. Upon selecting one of the PDCCH candidates that occupy the same set of resources for monitoring by the UE, the UE and the component of the BS may select a reference PDCCH candidate for one or more of the multiple sets of PDCCH candidates in accordance with a reference selection rule.

Abstract: Example aspects include a method, apparatus, and computer-readable medium for wireless communication at user equipment of a mobile network, comprising receiving, from a base station via a first beam, a pre-grant message requesting the UE to perform a listen-before-talk (LBT) procedure on a second beam. The aspects further include performing, according to the pre-grant message, the LBT procedure on the second beam. Additionally, the aspects include indicating, to the base station, whether the LBT procedure was successful.

Abstract: Certain aspects of the present disclosure provide techniques for utilizing and processing repeated DCI transmissions that schedule common uplink or downlink transmissions. The techniques allow a UE to decide which repeated DCI to use for determining resources for the uplink or downlink transmissions.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a first UE may receive, from a second UE, resource reserving sidelink control information that indicates a transmit beam of the second UE and a sidelink resource of the second UE. The first UE may transmit data on the sidelink resource of the second UE using a transmit beam of the first UE that does not spatially overlap with the transmit beam of the second UE. Numerous other aspects are provided.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a receiving user equipment (UE) may receive, from a transmitting UE, a first communication associated with a channel occupancy time (COT) of the transmitting UE and at least one of a cast type or a channel type. The UE may transmit a second communication in the COT of the transmitting UE based at least in part on the cast type or the channel type of the first communication. Numerous other aspects are described.

Abstract: This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for a user equipment (UE) to provide listen before talk (LBT) assistance to a transmitting device. The UE may receive a pre-grant (PG) indicating a plurality of beams. The UE may performing a LBT procedure on each beam of the indicated plurality of beams. The UE may transmit an acknowledgment to the pre-grant (APG) as a waveform that indicates that the LBT procedure for one or more of the indicated plurality of beams was successful. The waveform may be a sounding reference signal (SRS) with a sequence that indicates that the LBT procedure was successful.

Abstract: Methods and devices for downlink (DL) control channel communications operating in a semi-static channel access mode in a shared frequency band are provided. In one aspect, a method is performed by a base station (BS) and includes: transmitting, based on a first configuration during a first period, a first downlink (DL) control signal, where the first configuration is based on the first period associated with a first channel occupancy signal (COT) type; and transmitting, based on a second configuration during a second period, a second DL control signal, where the second configuration is based on the second period associated with a second COT type different from the first COT type, and where the second configuration is different from the first configuration.

Abstract: This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for a user equipment (UE) to provide listen before talk (LBT) assistance to a transmitting device. The UE may receive a pre-grant (PG) indicating a plurality of beams and a transmission resource. The UE may performing a LBT procedure on each beam of the indicated plurality of beams. The UE may transmit an acknowledgment to the pre-grant (APG) including a LBT report for the indicated plurality of beams on the transmission resource, the LBT report indicating a result of the LBT procedure for each beam of the indicated plurality of beams.

Abstract: Methods, systems, and devices for wireless communications are described. A UE may cooperate with a group of one or more other UEs, where the UEs may each operate as a panel in a wireless communications system. To ensure updated information based on the cooperation status of the UE is provided to a network, the UE may receive one or more capability request messages from a base station. The UE may determine a group cooperation capability of the UE, based on a current group cooperation status of the UE. The group cooperation status may be based on the UE operating in cooperation with a group of UEs for communicating with the base station. The UE may then transmit, to the base station, one or more messages indicating the group cooperation capability of the UE.

Abstract: Aspects presented herein may enable an entity that is receiving (or reading) reflected/backscattered signals from an IoT device to differentiate the reflected/backscattered signals from other reflections (e.g., noise or signals bounced from other objects). In one aspect, a wireless device transmits an indication of a positioning session to an IoT device, wherein the indication initiates the positioning session for the IoT device. The wireless device transmits, based on the positioning session, a set of PRSs to the IoT device via a plurality of transmission occasions. The wireless device receives, from the IoT device based on a reflection pattern, at least one PRS in the set of PRSs via at least one reception occasion.

Abstract: Wireless communications systems and methods related to synchronization signal (SS) transmission coordination among base stations (BSs) and restricted SS measurements at user equipments (UEs) are provided. A first BS transmits a first SS burst in a first SS transmission period of a plurality of SS transmission periods. The first SS transmission period is designated to the first BS. A second SS transmission period of the plurality of SS transmission periods is designated to a second BS. The first SS transmission period and the second SS transmission period are different. The first BS receives, from a UE, a first signal in synchronization with the first SS burst. The first signal includes a SS measurement of the first SS burst.

Abstract: In one aspect, a method of wireless communication includes transmitting, by a user equipment (UE), a first transmission in a first Channel Occupancy Time (COT) for a NR-U sidelink channel. The method also includes reserving, by the UE, a resource in a non-shared portion of a second COT and performing, by the UE, a Listen-Before-Talk (LBT) Category (CAT) 4 operation at a start of the second COT, wherein the second COT is associated with the UE. The method includes performing, by the UE, a continuous transmission operation in the second COT based on successfully performing the LBT CAT 4 operation. The method further includes transmitting, by the UE, a second transmission in the reserved resource of the non-shared portion of the second COT based on successfully performing a second LBT CAT 1 or 2 operation. Other aspects and features are also claimed and described.

Abstract: In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be a user equipment (UE). The apparatus may receive, from a base station via a DCI message, an indication of at least one K1 value corresponding to a plurality of physical downlink shared channel (PDSCH) transmissions over a plurality of PDSCH resources. The DCI message may comprise scheduling information for the plurality of PDSCH transmissions. The at least one K1 value may be associated with at least one physical uplink control channel (PUCCH) resource and indicative of a PDSCH-to-hybrid automatic repeat request (HARQ) timing. The apparatus may transmit, to the base station via the at least one PUCCH resource, at least one acknowledgment/negative-acknowledgment (ACK/NACK) indication associated with the at least one K1 value and corresponding to the plurality of PDSCH resources.

Abstract: Certain aspects of the present disclosure provide techniques for high priority data scheduling in uplink bursts. Aspects provide a method that may be performed by a user equipment (UE). The method generally includes receiving one or more uplink grants scheduling a plurality of transmission occasions for the UE. The method generally includes performing a listen-before-talk (LBT) procedure to attempt to acquire a channel for transmitting in at least one of the plurality of transmission occasions. The method generally includes determining one or more of the plurality of transmission occasions to transmit data based, at least in part, on the LBT procedure.

Abstract: Methods, systems, and devices for wireless communications are described. In some aspects, a user equipment (UE) may receive control signaling scheduling transmission of aperiodic channel state information (A-CSI) via a set of uplink transmission repetitions, the set of uplink transmission repetitions including a first set of repetitions associated with a first sounding reference signal (SRS) resource set and a second set of repetitions associated with a second SRS resource set. The UE may receive additional control signaling scheduling transmission of an uplink control channel message that overlaps in time with at least one uplink transmission repetition of the set of uplink transmission repetitions. The UE may multiplex the uplink control channel message with at least one uplink transmission repetition of the set of uplink transmission repetitions, and may transmit the set of uplink transmission repetitions including multiple repetitions of the A-CSI and the multiplexed uplink control channel message.

Abstract: Aspects presented herein may enable a network entity to calculate a relative clock drift between a Tx antenna panel and an Rx antenna panel that use different RF hardware/circuits (e.g., clocks). In one aspect, a network entity obtains a plurality of RTT measurements between a Tx antenna panel, a device with a known position, and an Rx antenna panel over a period of time, where the Tx antenna panel is associated with a first clock and the Rx antenna panel is associated with a second clock. The network entity obtains a first timing delay associated with the device based on the plurality of RTT measurements. The network entity calculates a clock offset between the Tx antenna panel and the Rx antenna panel based on the obtained first timing delay associated with the device.

Abstract: Apparatuses and methods for indications of CLPC reset are described. An apparatus is configured to receive, from a network node, a MAC-CE or DCI that includes an indication of closed loop power control (CLPC) reset information. The apparatus is also configured to reset or maintain a CLPC adjustment state in response to receiving the indication of the CLPC reset information in the MAC-CE or the DCI. Another apparatus is configured to receive, from a network node, information for CLPC at the UE, where the information for CLPC indicates that a CLPC adjustment state is unaffected during a configuration for OLPC or a random-access at the UE. The other apparatus is also configured to maintain the CLPC adjustment state at the UE, during OLPC configuring or a random-access procedure at the UE, based on the information for CLPC received from the network node.

Abstract: A signal time delay estimation method includes: obtaining, at an apparatus, a plurality of RFFPs (radio frequency fingerprints) each based on a plurality of signal measurements of respective signals transferred between respective ones of a plurality of wireless signal transfer devices; obtaining, at the apparatus, a plurality of locations corresponding to the plurality of wireless signal transfer devices; and implementing, at the apparatus, a machine-learning algorithm to provide at least one first indication of at least one first signal time delay to convert between a first wireless signal at a target device, of the plurality of wireless signal transfer devices, and a first baseband signal at the target device based on the plurality of RFFPs and the plurality of locations.