Abstract: Disclosed are methods for a random access. One embodiment of the subject application provides a method performed by a gNB, including determining a user equipment (UE) to enter an RRC_INACTIVE state by a gNB central unit (gNB-CU), sending a UE context suspension indication and a UE identification (ID) of small data transmission (SDT) to at least one first gNB distributed unit (gNB-DU) by the gNB-CU, storing the UE ID of SDT and keeping a UE context of SDT by the at least one first gNB-DU, and treating the UE in the RRC_INACTIVE state and forwarding a radio resource control (RRC) release manage to the UE by the at least one first gNB-DU, wherein the UE context suspension indication is for indicating the at least one first gNB-DU to keep a the UE context of SDT in the RRC_INACTIVE state, and the UE ID of SDT is for identifying the UE context of SDT. Related apparatuses are also disclosed.

Abstract: Method and apparatus may be used for determining whether or not redundant transmission is enabled. One method for determining whether or not redundant transmission is enable includes: receiving trigger information, wherein the trigger information includes at least one of prediction information, load information, QoS information and reliability indication information; and determining whether or not redundant transmission is enabled according to the received trigger information.

Abstract: The present application relates to a method and an apparatus for determining measurement assistance information. One embodiment of the subject application provides a method performed by a User Equipment (UE), comprising: determining measurement assistance information, wherein the measurement assistance information is used for determining or adjusting one or more measurement windows for one or more neighboring Base Stations (BSs) or one or more neighboring cells; and transmitting the measurement assistance information to a serving BS of the UE; or adjusting the measurement window based on the measurement assistance information.

Abstract: Embodiments of the present application relate to a method and an apparatus for task management in next generation networks (NGNs). According to an embodiment of the present application, a method can include: receiving a request message for requesting candidate configuration of a task result feedback (TRF) on a task associated with a UE; transmitting a task status report configuration to a first edge data network (EDN), wherein the first EDN includes a server to perform the task; and receiving a task status report associated with the task from the first EDN. Embodiments of the present application can efficiently satisfy the quality of service (QoS) or quality of experience (QoE) requirements (such as latency, energy, computational capability and so on) of a UE during a handover procedure.

Abstract: The present disclosure relates to a method and apparatus for transmission of control signals. The method is performed by a NodeB including a central unit (CU) and a distributed unit (DU). The method comprises transmitting a first channel indication and a first data unit from the CU to the DU, the DU transmitting the multicast and broadcast services (MBS) configuration to user equipment (UE) over a first channel indicated by the first channel indication, the DU receiving a first completion indication from the UE, and transmitting the first completion indication from the DU to the CU. The first data unit includes a MBS configuration.

Abstract: Embodiments of the present application relate to methods and apparatuses for a mobility robustness optimization (MRO) mechanism for a fast master cell group (MCG) link recovery procedure and an un-balanced uplink (UL) and downlink (DL) coverage scenario under a 3rd Generation Partnership Project (3GPP) 5G New Radio (NR) system or the like.

Abstract: Embodiments of the present application relate to a method and apparatus for multicast and broadcast services (MBS). An exemplary method includes: transmitting configuration information indicating a multicast data radio bearer (M-DRB) and a dedicated radio bearer (RB) both associated with a radio link control (RLC) entity; transmitting a set of RLC data packets to one or more user equipment (UEs) via the M-DRB in a point to multipoint (PTM) mode; and receiving feedback information for the set of RLC data packets via the dedicated RB of a UE of the one or more UEs. Embodiments of the present application can support feedback information and retransmission for a specific LIE in the PTM mode.

Abstract: Embodiments of the present disclosure relate to methods and apparatuses for sharing channel occupancy time for sidelink transmission. According to an embodiment of the present disclosure, a method performed by a first user equipment (UE) for wireless communication may include: determining an energy detection threshold for performing a Type-1 channel access procedure; performing the Type-1 channel access procedure based on the energy detection threshold; initiating a channel occupancy time (COT) in response to the Type-1 channel access procedure being successful; and transmitting an indicator for indicating the energy detection threshold within the COT.

Abstract: Embodiments of the present application relate to methods and apparatuses for a relay reselection and data transmission handling procedure in a user equipment (UE)-to-network relay scenario under 3rd Generation Partnership Project (3GPP) 5G New Radio (NR). According to an embodiment of the present application, a method can include: establishing a Uu RRC connection of a link between the relay UE and a base station (BS); establishing a PC5 radio resource control (RRC) connection of a link between a UE and the relay UE; and transmitting a notification to the UE, wherein the notification is associated with at least one of: a radio link failure (RLF) of the link between the relay UE and the B S; a RLF recovery failure of the link between the relay UE and the B S; and a successful RLF recovery of the link between the relay UE and the BS. In response to receiving the notification, the UE may preform relay reselection and suspend the data transmission towards the BS.

Abstract: Embodiments of the present application relate to methods and apparatuses for a mobility robustness optimization (MRO) mechanism for a conditional handover (CHO) procedure. According to an embodiment of the present application, a method can include: receiving CHO configuration information for a user equipment (UE), wherein the CHO configuration information is associated with one or more CHO candidate cells and includes a set of execution conditions corresponding to the one or more CHO candidate cells; performing a handover (HO) procedure associated with a target cell, in response to receiving a handover command from a source cell or performing a CHO procedure associated with a CHO candidate cell, in response to meeting an execution condition of the CHO candidate cell; starting a timer for HO procedure or CHO procedure; and in response to successfully accessing the target cell or the CHO candidate cell, stopping the timer and transmitting assistant information to the target cell or the CHO candidate cell.

Abstract: The present disclosure relates to methods and apparatuses. According to some embodiments of the disclosure, a method includes: receiving, at a user equipment, information indicating whether busy indication functionality is supported or not, wherein the busy indication functionality is associated with at least one of Core Network (CN) paging or Radio Access Network (RAN) paging. In addition, a cause value indicating busy indication between Xn interface can be used to determine whether the path switching should be performed or not.

Abstract: The present disclosure is directed to a method and apparatus for allocating PUCCH resource for HARQ-ACK and CSI transmission. According to an embodiment of the present disclosure, a method includes determining whether a HARQ-ACK transmission overlaps with a CSI transmission in time domain; in response to the HARQ-ACK transmission overlapping with the CSI transmission in the time domain, determining whether the sum of the UCI bits for the HARQ-ACK transmission and the UCI bits for the CSI transmission is within a UCI payload threshold supported by at least a PUCCH resource or at least a PUCCH resource set configured for the HARQ-ACK transmission; and allocating a PUCCH resource to the HARQ-ACK transmission and the CSI transmission based on whether the sum of the UCI bits for the HARQ-ACK transmission and the UCI bits for the CSI transmission is within the UCI payload threshold supported by the at least one PUCCH resource or at least one PUCCH resource sets.

Abstract: The present disclosure relates to methods and apparatuses. According to some embodiments of the disclosure, a method includes: receiving information for configuring a trigger condition that an integrated access and backhaul node reports load information of at least one integrated access and backhaul node; and reporting the load information of the at least one integrated access and backhaul node in the case that the trigger condition is met, wherein the load information includes a load status indicator of the integrated access and backhaul node.

Abstract: Embodiments of the present disclosure relate to methods and apparatuses a data transmission and a radio access network based notification area update (RNAU) procedure of a user equipment (UE) in a radio resource control (RRC) inactive state. According to an embodiment of the present disclosure, a method includes: entering a RRC inactive state of a UE based on RRC configuration information; starting a timer for RNAU procedure; transmitting small data at the RRC inactive state of the UE; and in response to receiving response information corresponding to the transmitted small data, restarting the timer for RNAU procedure. The method further includes that the timer for RNAU procedure expires after the UE has triggered the small data transmission procedure. The UE may suspend the RNAU procedure. The UE may cancel or resume the RNAU procedure depending on the small data transmission procedure.

Abstract: Embodiments of the present application relate to a method and apparatus for multicast and broadcast services (MBS). An exemplary method includes: determining an association identity (ID) for associating a common layer entity with a first lower layer entity for a multicast data radio bearer (M-DRB) and a second lower layer entity for a unicast data radio bearer (U-DRB); and transmitting configuration information including the association ID. Embodiments of the present application can support dynamic change between the point to multipoint (PTM) mode mode and the point to point (PTP) mode mode while providing lossless and seamless transitions and/or handover between the PTM mode and the PTP mode.

Abstract: Embodiments of the present application relate to a method and apparatus for beam failure detection and recovery in sidelink. An exemplary method includes: obtaining configuration information for a beam failure recovery (BFR) procedure on sidelink, wherein the configuration information indicates a periodic window; performing a reception of at least one transmission of a beam failure detection reference signal (BFD-RS) on the sidelink within the periodic window according to the configuration information. Embodiments of the present application can efficiently reduce delay as well as signalling overhead for BFR in sidelink.

Abstract: Various aspects of the present application relate to methods and apparatuses for a relay reselection and connection handling procedure in a user equipment (UE)-to-UE relay scenario. A method includes establishing a PC5 radio resource control (RRC) connection of a first link between the UE and a relay UE, a RRC connection of a second link between the relay UE and another UE having been established. The method includes performing a relay reselection procedure based on a trigger condition as at least one of: detecting a sidelink failure; detecting a failure in a RRC relayed connection of a third link between the UE and the another UE; receiving a failure notification from the relay UE; or receiving a failure indication from an upper layer of the UE.

Abstract: Embodiments of the present application relate to methods and apparatuses for designing an adaptation layer and handling a failure in a sidelink relay system under 3rd Generation Partnership Project (3GPP) 5G New Radio (NR). According to an embodiment of the present application, a method can include: receiving a radio resource control (RRC) setup request from a user equipment (UE), wherein a PC5 RRC connection of a link between the UE and a relay UE has been established; transmitting a RRC setup request to a base station (BS), wherein a RRC connection of a link between the relay UE and the BS has been established; receiving response information from the BS, wherein the response information includes at least one of a cell radio network temporary identifier (C-RNTI) and an identifier (ID) of the UE; and transmitting the response information to the UE. A failure could happen after a relayed connection of a link between the UE and the BS being established.

Abstract: Embodiments of the present application relate to a method and apparatus for multicast and broadcast services (MBS). An exemplary method includes: transmitting a bearer context identity (ID) to identify a tunnel for a radio bearer (RB) and associate the tunnel with at least one of: a multicast data radio bearer (M-DRB); and at least one unicast data radio bearers (U-DRB). Embodiments of the present application can support multiple transmission modes, for example, the SC-PTM mode, the MC-PTM mode, and the unicast mode.

Abstract: Embodiments of the present disclosure relate to methods and apparatuses for reestablishment in a wireless communication system. According to some embodiments of the present disclosure, a method includes: receiving, at a user equipment (UE) from a first base station (BS), conditional reestablishment configuration information indicating a set of execution conditions for a set of candidate cells; and evaluating the set of execution conditions based on the conditional reestablishment configuration information in response to the reception of conditional reestablishment configuration information. The leaving indication is sent to the serving cell in response to the initiation of the conditional reestablishment. The RLF report is reported in response to the failure of conditional reestablishment or an RLF event when the conditional reestablishment is configured.