Abstract: An apparatus includes a processor, a memory; and communication circuitry, the apparatus being connected to a communications network via the communication circuitry, the apparatus further including computer-executable instructions stored in the memory which, when executed by the processor, causes the apparatus to identify an apparatus capability that is an indication of an ability of the apparatus to perform beam failure detection (BFD) for a plurality of cells, transmit the apparatus capability to an other apparatus, receive from the other apparatus at least one message including a change in network configuration; and substitute a second set of cells for the first set of cells on which the apparatus performs BFD based on the change in network configuration so the apparatus capability is not exceeded by the network configuration.

Abstract: Features, methods, and functions for beam failure recovery and scheduling requests are provided, including methods for triggering, canceling, and transmitting beam recovery requests. The scheduling request may be designed to accommodate new criteria for transmission on a grant-free uplink shared channel (UL-SCH) and for putting the schedule request on hold.

Abstract: Disclosed herein are methods, systems, and devices that are associated with downlink (DL) control, grant free (GF) transmission, or initial access. Particularly, disclosed herein are multi beam physical downlink control channel (PDCCH) transmission mechanisms, grant free transmissions mechanisms, demodulation reference signal (DMRS) for physical broadcast channel (PBCH) mechanisms, and DMRS sequence design for new radio-channel state information-reference signal (NR-CSI-RS) and new radio-physical downlink shared channel (PDSCH) (NR-PDSCH), among other things.

Abstract: The present application may describe a method for obtaining channel access in a network. The method includes selecting, via a gNodeB, a spatial filter to perform listen before talk (LBT). The method includes detecting, via the gNodeB, a channel in an idle state. The method includes obtaining a directional channel occupancy time (COT). The method also includes transmitting a channel access indicator transmission (CAI-T) on a beam. The method further includes receiving a channel access indicator response (CAI-R). The method further includes sensing the channel is clear (e.g., via short channel sensing and the spatial filter). The method includes sending, via the channel, information to the node using one or more spatial filters of the second set of spatial filters. Other embodiments may include corresponding computer systems, apparatus, and computer programs recorded on one or more computer storage devices, each configured to perform the actions of the methods.

Abstract: The present application describes a WTRU including a non-transitory memory including instructions stored thereon for re-establishing a remote radio control (RRC) connection with a base station. The apparatus also includes a processor capable of executing instructions of determining, based upon a measurement in an active downlink bandwidth part (DL BWP), to initiate a random access channel (RACH) procedure. The processor also executes instructions of switching to a default uplink bandwidth part (UL BWP). The processor also executes instructions of initiating the RACH procedure. The process further executes instructions of transmitting a RA preamble using one of the RACH resources configured for the default UL BWP. The processor even further executes instructions of receiving a RA response. The processor yet even further executes instructions of switching from the default UL BWP to either an active UL BWP or another active UL BWP after re-establishing the RRC connection.

Abstract: Methods, systems, and devices may enable UE power savings in multi-beam connectivity using multi-TRPs or multi-UE panels. Methods, systems, and devices may enable PDCCH skipping in the active duration of the UE by skipping PDCCH monitoring associated with groups of CORESETs.

Abstract: Different sidelink resource configurations and allocation schemes may be controlled by an interface, such as the Uu interface. The radio resource control configurations may include dynamic assignment of broadcast sidelink transmission, unicast sidelink transmission, or group sidelink transmission. There may be radio resource control configured static resource allocation for broadcast sidelink transmission, unicast sidelink transmission, or group sidelink transmission.

Abstract: Methods and apparatuses are described herein for Intra-UE Prioritization in uplink (UL) transmissions. In an example, an apparatus may receive first information indicating a first uplink grant associated with a first transmission and second information indicating a second uplink grant associated with a second transmission. The apparatus may determine, based on the first information and the second information, that the first transmission and the second transmission overlap at least partially in time. The apparatus may determine a first priority associated with the first transmission and a second priority associated with the second transmission. The apparatus may then cause, based at least in part on the first priority and the second priority, at least one of: prioritization of one transmission over another transmission, or preemption of the first transmission by the second transmission.

Abstract: Disclosed herein are new radio (NR) Data link architecture options including, for example, NR radio bearer models, NR logical channel models, and MAC and HARQ models. Further described are packet flows mapping to data radio bearers (DRBs), and a new flow encapsulation protocol in the user plane. In some embodiments, DRBs with different quality of service (QOS) are pre-established, but not activated. This allows a given user equipment (UE) to use these DRBs for packet data network (PDN) flows without a large overhead. Pre-established DRBs can be an extension to default bearer concept with the decision of pre-establishment of DRBs based on UE capability, subscription profile, operation policy, installed apps, etc.

Abstract: A method and apparatus are described for supporting a two-stage device-to-device (D2D) discovery using a D2D interworking function (IWF). A D2D IWF component may be configured to perform mapping between an application running on an application server and a third generation partnership project (3GPP) network, and provide a set of application programming interfaces (APIs) to allow discovery to be provided as a service to D2D applications. An application identifier may be mapped to a 3GPP identifier. Further, a method and apparatus are described for performing client-server discovery. A first wireless transmit/receive unit (WTRU) may be configured for a listen-only operation, and a second WTRU may be configured to transmit beacons. The first and second WTRUs may perform a radio access network (RAN) discovery procedure at an access stratum (AS) layer. A method and apparatus for performing charging for D2D service using a D2D IWF are also described.

Abstract: Embodiments described herein include DRX operations that address impacts of beamforming to current DRX operations. It is recognized herein that the new NR-PDCCH may affect the downlink control channel monitoring in DRX operations. DRX embodiments described herein also address the impact of new NR-PDCCH to DRX operations. It is further recognized herein that, in NR, multiple DRX configurations may be supported, and L1/2 signaling (such as MAC CE based) can be used for dynamic DRX configuration switching. Embodiments described herein include signaling and other mechanisms that support multiple DRX configurations, and switching between multiple configurations. Embodiments described herein also include DRX operations that address the impact of HARQ design in NR to DRX operations. Embodiments described herein further include DRX operations that address the impact of multiple SR configurations in NR to DRX operation.

Abstract: Methods, systems, and apparatus designed to support flexible carrier bandwidths in new radio. Multiple carrier bands may be combined into a single composite carrier depending on channel availability in the carrier bands. A composite carrier indicator (CCI) indicates to network devices, the available carrier bands within the channel occupancy time. In addition, bandwidth part inactivity time is suspended when channel access is not available.

Abstract: A method and apparatus for transmitting uplink control information (UCI) for Long Term Evolution-Advanced (LTE-A) using carrier aggregation is disclosed. Methods for UCI transmission in the uplink control channel, uplink shared channel or uplink data channel are disclosed. The methods include transmitting channel quality indicators (CQI), precoding matrix indicators (PMI), rank indicators (RI), hybrid automatic repeat request (HARQ) acknowledgement/non-acknowledgement (ACK/NACK), channel status reports (CQI/PMI/RI), source routing (SR) and sounding reference signals (SRS). In addition, methods for providing flexible configuration in signaling UCI, efficient resource utilization, and support for high volume UCI overhead in LTE-A are disclosed.

Abstract: Radio resource management measurements for new radio unlicensed are performed that are based on a measurement model where a missed received signal transmission opportunity indicator is provided to higher layers to adapt the measurement functions performed by the radio resource control when a missed received signal transmission opportunity is detected. Radio link monitoring for new radio unlicensed is performed based on in-sync or out-of-sync indications that are based on the estimated radio link quality in combination with missed radio link monitoring reference signal transmission opportunities.

Abstract: Methods and apparatus are disclosed pertaining to paging for Unlicensed New Radio (NR-U). Methods include means to: perform paging using multiple paging occasions (POs) during a DRX Cycle, perform paging using a paging window, perform paging using a PO comprised of multiple sweeps and/or repetitions, signal DL channel access indication for paging, and perform paging using dynamic DRX. In accordance with one embodiment, an apparatus may receive a signal comprising a plurality of POs, wherein each PO comprises a plurality of physical downlink control channel (PDCCH) monitoring occasions. The apparatus may monitor, based on receiving an identifier associated with the apparatus, a portion of the plurality of paging occasions. The apparatus may detect, in a PDCCH monitoring occasion of the plurality of PDCCH monitoring occasions in the monitored portion, paging downlink control information (DCI).

Abstract: The present application at least describes a method for obtaining channel access in a network. The method includes a step of selecting, via a gNodeB, a spatial filter from a first set of spatial filters to perform listen before talk (LBT). The method includes a step of detecting, via the gNodeB, a channel in an idle state. The method also includes a step of obtaining, a directional channel occupancy time (COT) in the channel in a direction of the selected spatial filter. The method also includes a step of transmitting, to a node, a channel access indicator transmission (CAI-T) on a beam in the cot via a spatial filter of a second set of spatial filters. The method further includes a step of receiving, from the node, a channel access indicator response (CAI-R). The method further includes a step of sensing, via short channel sensing and via the spatial filter or another spatial filter of the second set of spatial filters, the channel is clear.

Abstract: A wireless transmit/receive unit (WTRU) may receive a paging occasion (PO) monitoring indication information in first downlink control information (DCI). The WTRU may determine a first paging occasion (PO), wherein the first PO is based on a WTRU-identity (ID) for the WTRU. Further, the WTRU may monitor, based on the PO monitoring indication information, for second DCI in the first PO. Also, the WTRU may receive second DCI in the first PO. Further, the WTRU may receive a physical downlink shared channel (PDSCH) transmission based on the second DCI. In an example, the PDSCH transmission may include a paging message. Also, the first PO may be within a paging frame (PF) and the PO monitoring indication information may be received prior to the first PO, in a further example.

Abstract: Methods and apparatuses are described herein for prioritizing sidelink communication transmissions. In accordance with one example embodiment, a WTRU may include a processor, configured to receive vehicle-to-x communication (V2X) configuration parameters from a V2X network node. The V2X communication parameters may be associate with sidelink communications for a V2X service. The WTRU may send a user equipment (UE) information message to a gNB. The UE information message may include quality of service (QoS) information associated with the V2X service. The WTRU may further receive a radio resource control (RRC) configuration message from the gNB. The RRC configuration message may include an indication of a logical channel to be used for communication sidelink data associated with the V2X service, and one or more logical channel configuration parameters for the logical channel to be used for communication of the sidelink data associated with the V2X service.

Abstract: Embodiments described herein include DRX operations that address impacts of beamforming to current DRX operations. It is recognized herein that the new NR-PDCCH may affect the downlink control channel monitoring in DRX operations. DRX embodiments described herein also address the impact of new NR-PDCCH to DRX operations. It is further recognized herein that, in NR, multiple DRX configurations may be supported, and L1/2 signaling (such as MAC CE based) can be used for dynamic DRX configuration switching. Embodiments described herein include signaling and other mechanisms that support multiple DRX configurations, and switching between multiple configurations. Embodiments described herein also include DRX operations that address the impact of HARQ design in NR to DRX operations. Embodiments described herein further include DRX operations that address the impact of multiple SR configurations in NR to DRX operation.

Abstract: A method performed by a wireless transmit/receive unit (WTRU) may include sending, to a network, a registration message indicating the WTRU is capable of device-to-device (D2D) communication and sending a request for assistance in discovering at least one other WTRU in proximity to the WTRU. The method may include receiving, from the network, in response to the request for assistance in discovering the at least one other WTRU, assistance information including one or more of a unique identifier or filtering information. The method may include performing, using the assistance information, a device discovery procedure to discover the at least one other WTRU, wherein the device discovery procedure comprises at least one of: monitoring for signals from the at least one other WTRU using the assistance information, or sending a discovery announcement based on the assistance information and transmitting application data directly to the at least one other WTRU.