Abstract: Techniques of time-sensitive communications include receiving, by the gNB, an indication based on received transport blocks of a burst that the user equipment misinterpreted HARQ feedback and sends the user equipment a command to perform a transport block mitigation operation to change the scheduled delivery of subsequent transport blocks of the burst.

Abstract: In some examples, a method of wireless communication by a user equipment, UE, comprises receiving configured grant, CG, configuration data at a first UE, the CG configuration data comprising bi-directional CG information for an aligned sidelink communication session between the first UE and a second UE, monitoring for receipt of a first transmission of the communication session at the first UE, and on the basis of the monitoring, acquiring the channel for the sidelink communication session at the first UE.

Abstract: Disclosed are methods, apparatuses, and systems for beam alignment in a sidelink communication. The apparatuses include a first UE that is configured to: receive, from a second UE, a first radio signal using at least one first antenna; determine a first direction associated with the received first radio signal based on an estimated angle-of-arrival of the received first radio signal at the first UE; select a beam among a plurality of beams for a communication with the second UE based on the determined first direction; and transmit, to the second UE, a second radio signal on the selected beam using at least one second antenna.

Abstract: Inter-alia, a method is disclosed comprising: determining a suitability to serve as a relay device for a relayed communication between a first device and a second device via one or more relay devices to be selected among one or more relay device candidates; transmitting a message as part of a relay discovery procedure, and with the apparatus acting as one of the one or more relay device candidates; and performing at least one of a transmit power adjustment and/or a radio resource selection for transmitting the message based, at least in part, on the determined suitability.

Abstract: Techniques for performing sidelink discovery with user equipment (UE) to UE relay are provided. An initiating UE initiates a sidelink discovery solicitation message toward relay UEs and responding UEs. A relay UE can facilitate the discovery between two or more UEs by monitoring for sidelink discovery solicitation messages and sidelink discovery solicitation responses. A responding UE in receipt of a sidelink solicitation message responds toward a relay UE and/or initiating UE via communication method that may depend on various factors. The communication method may include non-unicast communication, such as broadcast or multicast, to reduce signaling overhead in comparison to unicast communication methods.

Abstract: Systems, methods, apparatuses, and computer program products for network coding are provided. One method may include receiving, at a second packet data convergence protocol (PDCP) entity, one or more original packet data convergence protocol (PDCP) protocol data units (PDUs) from a first PDCP entity for a radio bearer. The method may also include coding, at the second packet data convergence protocol (PDCP) entity, the original packet data convergence protocol (PDCP) protocol data units (PDUs) to produce one or more network coded packet data convergence protocol (PDCP) protocol data units (PDUs).

Abstract: An intermediate apparatus and method for relaying data from a remote wireless device to a base station with reduced latency is discussed. The method includes the steps of receiving a transmission having control information and data. Determining from the control information that the data is to be forwarded to a wireless communication node and that a future data transmission comprising data to be forwarded is scheduled. Estimating from the control information an amount of the data in the future data transmission. Generating a resource request comprising the estimated amount of data in the future data transmission and transmitting, the resource request towards the wireless communication node.

Abstract: An apparatus comprising means for: determining at least one expected arrival sequence of one or more expected data units to be transmitted over at least one network system; determining if at least one of the one or more expected data units does not arrive for transmission over the at least one network system as expected; and if it is determined that at least one of the one or more expected data units does not arrive for transmission over the at least one network system as expected, increasing transmission reliability of one or more data units adjacent to at least one expected data unit that has not arrived for transmission over the at least one network system as expected.

Abstract: A UE operates in a system where a source UE communicates using SL communications with a destination UE and detects a SL coverage issue with the sidelink communications between the source and destination UEs. The UE sends, to at least the destination UE, an announcement concerning at least one of the sidelink coverage issue or the UE being available as a relay UE candidate for an indirect path to the destination UE. The destination UE receives the announcement and communicates with the UE to set up and use the indirect path.

Abstract: A method comprising receiving an indication from a transmitting terminal device indicative of a sidelink resource reserved for receiving a subsequent sidelink transmission from the transmitting terminal device, detecting that the subsequent sidelink transmission is not received from the transmitting terminal device over the reserved sidelink resource, determining a sidelink complementary resource set window, and monitoring the sidelink complementary resource set window for receiving the subsequent sidelink transmission from the transmitting terminal device.

Abstract: A first user equipment (UE) for sidelink beam maintenance in a sidelink communication. The first UE comprises-es a memory storing an instruction and a processor configured to execute the instruction stored in the memory to: obtain resource reservation information and future location information of the first UE, the future location information of the first UE including an estimated first location of the first UE at a first time later than a current time: transmit, to a second UE, the resource reservation information and the future location information of the first CE; receive, from the second UE, a signal including future location information of the second UE, the future location information of the second UE including an estimated second location of the second UE at the first time; and determine, based on the future location information of the second UE, one or more beams for transmission from the first CE.

Abstract: Integrated circuit devices and circuitry incorporating a self-isolated switch are provided. A self-isolated switch includes an N-type metal-oxide-semiconductor (NMOS) path that closes when the self-isolated switch receives an enable signal with a first voltage, and opens when the self-isolated switch receives the enable signal with a second voltage and when the self-isolated switch is powered down. The self-isolated switch also includes a P-type metal-oxide-semiconductor (PMOS) path that closes when the self-isolated switch receives the enable signal with the first voltage, and opens when the self-isolated switch receives the enable signal with the second voltage and when the self-isolated switch is powered down.

Abstract: A method includes: receiving, by a first UE in a sidelink communication, an inter-UE coordination (IUC) signal transmitted from a second UE; determining a set of candidate radio resources for communication with the second UE based on the IUC signal; determining at least one direction associated with the IUC signal based on an estimated angle-of-arrival of the IUC signal; selecting, among a plurality of beams, at least one beam for communication with the second UE based on at least one of the determined at least one direction or a content of the IUC signal; determining a subset of radio resources from the set of candidate radio resources based on sensing on the selected at least one beam; and transmitting the determined subset of radio resources to the second UE, or selecting from the determined subset of radio resources, one or more radio resources for communication with the second UE.

Abstract: Apparatus and method in a communication system for enhanced carrier selection are provided. The solution comprises selecting a carrier for first transmission to a second apparatus; controlling transmission utilising the selected carrier; receiving a transmission from the second apparatus and selecting a carrier for second transmission to the second apparatus at least partly based on the transmission from the second apparatus.

Abstract: A method is disclosed including: performing a sensing on at least one of a first pool on a first carrier and a second pool on a second carrier for sidelink, SL, communication using a sensing-based UE-selected resource allocation mode on at least one of the first pool and the second pool, wherein the first pool and the second pool have at least a 1-to-1 relationship of SL resources; selecting one or more resources from at least one of the first pool and the second pool for a SL transmission based on at least one outcome of the sensing on at least one of the first pool and the second pool; and transmitting data over SL using the selected one or more resources. An apparatus, computer program, and system are further disclosed.

Abstract: A method includes: configuring, by a first user equipment (UE), one or more carriers within a first frequency range, at least one of the one or more carriers including an indication indicating sidelink beam management information associated with one or more beams within a second frequency range; and transmitting, to a second UE, the configured one or more carriers within the first frequency range so as to allow the second UE to obtain the indication.

Abstract: Systems, methods, apparatuses, and computer program products for channel occupancy time (COT) sharing for sidelink (SL) in unlicensed spectrum are provided. One method may include, upon acquiring a COT, an initiating user equipment (UE) transmitting a first indication to one or more responding UEs. The first indication may include at least a duration of the channel occupancy time (COT) and/or configuration information for at least one second indication. The method may also include transmitting the at least one second indication to the one or more responding UEs prior to a SL transmission from the one or more responding UEs. The at least one second indication may include an indication of a listen before talk (LBT) type that the one or more responding UEs should apply for the SL transmission taking place within the COT duration and/or an indication of a new COT duration.

Abstract: Example embodiments of the present disclosure relate to apparatuses, methods, and computer readable storage medium for lossless delivery. In a method, a first apparatus, receives from a second apparatus or a third apparatus, an indication that a communication between the first apparatus and a fourth apparatus is using an indirect communication path via a fifth apparatus; and determine, based on the received indication, whether a data packet is to be removed from a buffer.

Abstract: In one embodiment, the method includes obtaining virtual relay context information enabling by one or more relay mobile device candidates to relay traffic; and applying the virtual relay context information to be configured as a respective relay mobile device of the one or more relay mobile device candidates for relaying traffic.

Abstract: Methods, apparatuses, and computer program products are provided to facilitate relay discovery, selection, and/or reselection for U2N relaying over SL utilizing a service-continuity indication provided via one or more solicitation messages from a remote UE to at least one relay UE. In some embodiments, a serving network may provide identification of the at least one relay UE via a remote configuration for the remote UE. In some embodiments, the serving network may provide identification of the at least one relay UE via a response message transmitted to the remote UE via SL. In some embodiments, the remote UE may prioritize one or more potential relay UE candidates identified by the serving network.