Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive, from a network entity via an access link, control signaling indicating a beam condition reporting configuration for reporting an access link beam condition to the network entity via a relay UE. The UE may detect the access link beam condition for the access link in accordance with the beam condition reporting configuration. The UE may transmit via a sidelink to the relay UE, a beam condition report to the relay UE that indicates to relay the beam condition report to the network entity. Additionally, the UE may transmit the beam condition report to the network entity.

Abstract: A UE may identify, during a first DRX ON period immediately preceding an existing DRX OFF period, that a first condition is met. The UE may transmit, to a network node, and the network node may receive, from the UE, a request to extend the first DRX ON period based on the first condition being met. The network node may transmit, to the UE, and the UE may receive, from the network node, an indication of approval of the request to extend the first DRX ON period. The UE and the network node may delay a beginning of the existing DRX OFF period by a first time period based on the approval of the request to extend the first DRX ON period.

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, configuration information that indicates a configuration for monitoring beam failure detection reference signals (BFD-RSs) in a discontinuous reception (DRX) on duration. The UE may transmit, to the network node, information that is based at least in part on the BFD-RSs being monitored in the DRX on duration in accordance with the configuration. Numerous other aspects are described.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a relay user equipment (UE) may detect a beam failure on an access link. The relay UE may transmit, to a network entity and responsive to the beam failure, information indicating that a UE, that uses the relay UE for relaying communications with the network entity, is to use a different relay UE. Numerous other aspects are described.

Abstract: Apparatus, methods, and computer-readable media for facilitating signaling of network coding information to facilitate feedback processing are disclosed herein. An example method for wireless communication at a transmitting device includes encoding data packets based on a first network coding and transmitting encoded data packets to a receiving device. The example method also includes receiving network coding information and determining a second network coding applied by the receiving device based on the network coding information. Additionally, the example method includes receiving feedback from the receiving device and decoding the encoded data packets based on the second network coding applied by the receiving device. Further, the example method includes updating the first network coding applied by the transmitting device based on the feedback and the decoding of the encoded data packets.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a first user equipment (UE) may communicate with a second UE using a sidelink channel and a first beam. The UE may transmit a sidelink beam report associated with the first beam to a network entity. The UE may receive sidelink configuration information from the network entity that indicates to change from using the sidelink channel and the first beam to using the sidelink channel and a second beam. The UE may communicate with the second UE using the sidelink channel and the second beam. 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 one or more beam failure detection (BFD) reference signals (RSs) during an active time under discontinuous reception (DRX). The UE may monitor BFD-RSs in an active time extension that is outside the active time for DRX. The UE may receive one or more BFD-RSs during the active time extension. Numerous other aspects are described.

Abstract: This disclosure provides systems, methods, and apparatuses for supporting network transmissions using unicast sidelink communications. A base station (BS) may transmit a set of encoded packets to a number of user equipment (UEs) and receive feedback messages from the UEs that indicate sets of decoded packets. Based on the feedback messages, the BS may transmit an updated set of encoded packets based on a difference between the set of encoded packets and the union of decoded packets. The BS may transmit an instruction to a first UE to transmit a unicast sidelink communication to a second UE that includes a set of missed packets that includes one or more decoded packets that were decoded by the first UE but were not decoded by the second UE. The first UE may transmit the unicast sidelink communication to the second UE.

Abstract: This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for enhanced signaling related to beam failure prediction. A user equipment (UE) predicts a beam failure condition prior to a number of beam failure instances within a time period reaching a configured threshold number of beam failures. The UE transmits an indicator of the predicted beam failure condition to a serving cell. The indicator may include a request for a change to a beam failure detection reference signal (BFD-RS) or to UE scheduling. The serving cell transmits a notification of a change to the BFD-RS or to UE scheduling in response to the indicator. The UE may continue to monitor for a beam failure condition based on the change or may adjust reception during a predicted duration of the beam failure based on the change.

Abstract: This disclosure provides systems, methods and apparatuses for supporting network transmissions using unicast sidelink communications. A base station (BS) may transmit a set of encoded packets to a number of user equipment (UEs) and receive feedback messages from the UEs that indicate sets of decoded packets. Based on the feedback messages, the BS may transmit an updated set of encoded packets based on a difference between the set of encoded packets and the union of decoded packets. The BS may transmit an instruction to a first UE to transmit a broadcast sidelink communication that includes a set of missed packets that includes one or more decoded packets that were decoded by the first UE but were not decoded by the second UE. The first UE may transmit the broadcast sidelink communication to the second UE.

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive control signaling including a set of parameters. The set of parameters may include one or more thresholds associated with initiating aperiodic beam failure detection (BFD) reference signals (RSs). The UE may receive a set of periodic BFD-RSs. In some examples, the UE or the base station may determine that a triggering threshold is satisfied. In some cases, the UE may determine that the set of periodic BFD-RSs satisfies a consecutive beam failure indication (BFI) threshold, a cumulative BFI threshold, or the like. In some cases, a base station may determine that the set of periodic BFD-RSs satisfies a channel quality threshold. The UE may receive a set of one or more aperiodic BFD-RSs based on whether the triggering threshold is satisfied.

Abstract: Methods, systems, and devices for wireless communications are described. A network node may transmit, to a set of user equipment (UE), a set of network encoded packets generated using a set of packets. A UE of the set of UEs may receive subsets of network encoded packets from the network node and from UEs of the set of UEs forwarding network encoded packets. The UE may decode the subsets of network encoded packets and may determine a set of successfully decoded packets. The UE may transmit feedback to the network node that indicates successfully received or decoded packets. The network node may receive the feedback and may determine a subset of the set of packets that was successfully decoded for each UE providing the feedback. The network node may generate an updated set of network encoded packets and may transmit the updated set to the set of UEs.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a transmitter may broadcast a first set of network coding encoded packets for reception by a plurality of receivers, and receive feedback information associated with the first set of network coding encoded packets, the feedback information indicating that one or more receivers of the plurality of receivers did not successfully receive a quantity of network coding encoded packets that satisfies a decoding threshold associated with recovering the plurality of source packets, and a first subset of network coding encoded packets of the first set of network coding encoded packets that were not successfully received by at least one receiver. The transmitter may broadcast a second set of network coding encoded packets. The second set of network coding encoded packets may include at least the first subset of network coding encoded packets. Numerous other aspects are provided.

Abstract: Methods, apparatuses, and computer-readable storage medium for extending DRX ON duration are provided. An example method includes identifying a predicted BFD within a DRX OFF duration associated with a configured DRX. The example method may further include extend, based on the predicted BFD, a DRX ON duration associated with the configured DRX. The example method may further include continuing to perform one or more BFD related procedures during the DRX ON duration.

Abstract: A UE may be configured to detect an occurrence of a beam failure condition for a failed downlink transmission received from a network entity using a first beam. The UE may transmit, over a sidelink to a second UE, a BFR in response to detecting the beam failure condition. The UE may receive, over the sidelink from the second UE or from the network entity, a beam switching instruction to switch from the first beam to a second beam. The UE may receive, from the network entity, a retransmission of the failed downlink transmission using the second beam.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, from a base station, at least one reference signal associated with at least one beam. The UE may generate a beam failure indicator (BFI) based at least in part on one or more measurements of the at least one reference signal at the UE. The BFI may be selected (e.g., by the UE or by the base station) from two or more types of BFI based at least in part on one or more measurements associated with the at least one beam at the base station. Numerous other aspects are described.

Abstract: Methods, systems, and devices for wireless communications are described. A wireless communications system may support techniques for enhanced beam failure detection. In some cases, a user equipment (UE) may receive a configuration associated with a beam blocking prediction procedure for the UE. The may monitor one or more reference signals based on the configuration and a beam failure detection (BFD) procedure associated with the beam blocking prediction procedure. Further, the UE may perform the beam blocking prediction procedure in accordance with the configuration and may modify the BFD procedure based a blocking prediction determined based on the beam blocking prediction procedure. The UE may perform the modified BFD procedure based on the blocking prediction.

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive control signaling indicating a configuration for reporting beam failure detection (BFD) reports via a relay device. The UE may also receive a control message activating BFD reporting at the UE in accordance with the configuration. The UE may monitor for reference signals from a network entity, and may determine one or more beam failure instance (BFI) indicators that pertain to communications between the UE and the network entity. The UE may transmit a BFD report via the relay device in accordance with the configuration. The UE may transmit the BFD report prior to a beam failure declaration that occurs when a quantity of the one or more BFI indicators exceeds a threshold. The techniques described herein may reduce the likelihood of beam failures occurring between the UE and the network entity.

Abstract: A base station may transmit, to a UE, a configuration set associated with a BFD-RS set corresponding to a plurality of beams including a first beam via an RRC message. The base station may transmit, to the UE, a BFD-RS associated with the first beam. The BFD-RS may be associated with the BFD-RS set. The UE may detect a BFI indication of the first beam based on the BFD-RS from the base station. The UE may increment a BFI counter in response to the detected BFI indication of the first beam irrespective of a status associated with other beams in the plurality of beams. The UE and the base station may perform a BFR procedure in response to the BFI counter reaching or exceeding a corresponding BFI counter threshold.

Abstract: A method of wireless communication may include a UE and a base station. The base station may transmit at least one BFD-RS to the UE and the UE may receive at least one BFD-RS from a base station. The UE may transmit an aperiodic BFI report to the base station prior to a beam failure detection. The base station may determine that an early beam failure occurred and initiate a beam failure recovery in response to receiving the aperiodic BFI report from the UE.