Abstract: Methods and apparatuses for a transmission reception point (TRP) related beam failure detection procedure and coexistence of a Layer1/Layer2 (L1/L2) mobility scenario and a Layer3 (L3) mobility scenario under a 3rd Generation Partnership Project (3GPP) 5G system or the like. The method can be performed by a user equipment (UE) and includes: receiving, from a serving cell, configuration information related to two or more transmission reception points (TRPs) of the serving cell (401); detecting a beam failure of a TRP within the two or more TRPs (402); transmitting a beam failure recovery (BFR) request, wherein the BFR request includes information related to the TRP (403); before receiving a response for the BFR request from the serving cell, detecting a further beam failure of a further TRP within the two or more TRPs (404); and monitoring a physical downlink control channel (PDCCH) within a period (405).

Abstract: Embodiments of the present application are directed to a method and apparatus for data transmission in non-connected state. The method may include: calculating a data volume for a small data transmission (SDT) transmission in a layer higher than an access stratum (AS) layer or in an AS layer; and determining to initiate an SDT procedure based on the calculated data volume being less than a data volume threshold.

Abstract: The present application relates to methods and apparatuses for determining sidelink (SL) discontinuous reception (DRX) configurations. One embodiment of the present disclosure provides a method performed by a first user equipment (UE), including: transmitting, to a second UE, assistance information associated with an SL DRX configuration of the first UE, wherein the assistance information is comprised in an SL UE capability information message of the first UE that is also transmitted to the second UE, or comprised in a separate radio resource control (RRC) message that is also transmitted to the second UE; and receiving, from the second UE, an SL DRX configuration based on the assistance information that was sent to the second UE.

Abstract: Embodiments of the present application relate to methods and apparatuses for data and signaling transmission. According to an embodiment of the present application, a method performed by a radio access network (RAN) node may include: receiving a radio resource control (RRC) resume request message associated with a small data transmission (SDT) from UE that is in a non RRC_CONNECTED state; and transmitting a RRC resume message to the UE, the RRC resume message for causing the UE to enter into RRC-CONNECTED state from the non RRC-CONNECTED state, in response to receiving at least one of the following: an indication associated with a downlink non-SDT transmission from another RAN node; downlink non-SDT data from a user plane function (UPF); and downlink non-SDT signaling from an access and mobility management function (AMF).

Abstract: Embodiments of the present application relate to methods and apparatuses for small data transmission. An exemplary method for small data transmission (SDT) may include: transmitting an indication associated with SDT scheme selection for a user equipment (UE) from a central unit (CU) to a distributed unit (DU); receiving, by the CU from the DU, first configured granted (CG)-SDT resource configuration for the UE in the case that CG-SDT is configured; and transmitting, by the CU to the DU, a radio resource control (RRC) release message for causing the UE to enter into a non-connected state with the CG-SDT resource configuration.

Abstract: Embodiments of the present application are related to a method and apparatus for paging. An exemplary method includes: receiving, in a user equipment (UE), UE grouping information from a network node, wherein the UE grouping information indicates UE group identity (ID) information or UE group set information; and in the case that a paging grouping mechanism is enabled for the UE, detecting group_ID indication information carried in at least one of paging physical downlink control channel (PDCCH) and paging early indication (PEI); or in the case that the paging grouping mechanism is disabled for the UE, not detecting the group_ID indication information carried in the at least one of the paging PDCCH and the PEI.

Abstract: Methods and apparatus of determining type of uplink (UL) transmission are disclosed. The method performed by a terminal device in a network (NW) includes: receiving, from the network (NW), an indication that simultaneous multi-panel transmission is supported by the network (NW); determining a type of uplink (UL) transmission to be deployed, based on at least a HARQ feedback or arrival traffic; configuring one or more panels for transmission with the type of UL transmission to be deployed; and transmitting, to the network, a same transport block (TB) or different TBs via the type of UL transmission to be deployed using the one or more panels.

Abstract: Embodiments of the present application relate to methods and apparatuses for a transmission reception point (TRP) related beam failure detection and recovery procedures under a 3rd Generation Partnership Project (3GPP) 5G system or the like. According to an embodiment of the present application, a method can be performed by a user equipment (UE) and include: receiving, from a serving cell, configuration information related to at least one transmission reception point (TRP) of the serving cell; detecting a beam failure of a TRP; and triggering a beam failure recovery (BFR) procedure, wherein the BFR procedure includes transmitting a BFR request to the serving cell, and wherein the BFR request includes information per TRP associated with the at least one TRP of the serving cell. If the configuration information is related to at least two TRPs of the serving cell, before transmitting the BFR request, the UE may detect a further beam failure of a further TRP. The UE may trigger a further BFR procedure.

Abstract: Embodiments of the present application are directed to a method and apparatus for data transmission processing. In an embodiment, the method includes: determining a radio link failure (RLF) happens in a small data transmission (SDT) procedure; and performing a procedure in response to the happening of the RLF in an SDT procedure.

Abstract: Methods and apparatuses for handling of small data transmission are disclosed. A method at a user equipment (UE) that is in a non Radio Resource Control (RRC)_CONNECTED state with a network device comprising: determining whether to perform UL carrier selection for non-first SDT data; and transmitting the non-first SDT data to the network device in response to a determining result to perform the UL carrier selection for the non-first SDT data.

Abstract: Embodiments of the present application relate to methods and apparatuses for handling configured grant (CG) information when a secondary cell group (SCG) is deactivated in a multi-radio dual connectivity (MR-DC) scenario under a 3rd Generation Partnership Project (3GPP) 5G New Radio (NR) system or the like. According to an embodiment of the present application, a method may be performed by a UE and can include: receiving CG information from a network, wherein the CG information is for an uplink transmission from the UE to the network, and wherein the CG information is associated with a primary secondary cell (PSCell) of a SCG in relation to the UE; and in response to deactivation of the SCG, handling the CG information by at least one of: releasing the CG information from the UE; suspending the CG information in the UE; and maintaining the CG information in the UE.

Abstract: A method and an apparatus for inactivity timer handling. The method includes: selecting at least one LCH for transmitting sidelink data to another user equipment; determining whether to start an inactivity timer, which is enabled, for the transmission of the sidelink data based on an inactivity timer configuration of at least one QoS of the at least one LCH contained in the sidelink data; and if it is determined to start the inactivity timer, starting the inactivity timer for the transmission of the sidelink data.

Abstract: Disclosed are methods and apparatus for user equipment to network relay handover. An embodiment of the subject application provides a method performed by a relay node. The method includes receiving a radio resource control reconfiguration message including a reconfiguration with synchronization from a serving cell, and transmitting a handover associated indication to a remote user equipment via sidelink communication in response to reception of the RRC reconfiguration message including the reconfiguration with synchronization. In addition, the relay node may transmit the indication associated with successful handover to the remote UE via sidelink communication after successful handover.

Abstract: Embodiments of the present disclosure relate to methods and apparatuses for saving power of a user equipment (UE) in a discontinuous service link coverage scenario in a non-terrestrial network (NTN). According to an embodiment of the present disclosure, a method which may be performed by a UE includes: determining a time; and entering a power saving mode (PSM) of the UE at the time, wherein the time is associated with at least one of: a timer relating to the PSM of the UE; and a coverage interruption of a network.

Abstract: Methods and apparatus of Signaling Radio Bearer (SRB) transmission using Small Data Transmission (SDT) are disclosed. The method includes: a base station receiving, from UE in RRC_INACTIVE or RRC_IDLE state, a small data packet, wherein the small data packet includes an SRB (Signaling Radio Bearer); sending a retrieve UE context request to a last serving base station of the UE; and receiving, from the last serving base station, UE context for anchor relocation, or SRB data forwarding information and/or a SRB configuration, for transmission of the small data packet.

Abstract: Embodiments of the present application relate to methods and apparatuses for handling a conditional handover (CHO) execution condition in a non terrestrial network (NTN) environment and a related mobility robustness optimization (MRO) mechanism in the NTN environment. According to an embodiment of the present application, a method which may be performed by a UE can include: receiving, from a network device (e.g., a base station), configuration information for a CHO candidate target cell and an execution condition for the CHO candidate target cell, the execution condition at least includes a location-based condition associated with a location of the UE: evaluating the location-based condition included in the execution condition: and performing a CHO procedure to the CHO candidate target cell, in response to the execution condition being fulfilled.

Abstract: Methods and apparatuses for handling of signaling radio bearers (SRBs) in small data transmission (SDT) are disclosed. In one embodiment, a method comprises making a first decision regarding whether a signaling radio bearer (SRB) is allowed for small data transmission (SDT); making a second decision regarding whether the SRB is allowed to initiate the SDT; and transmitting messages carried on the SRB to a network device according to the first and second decisions, wherein the terminal device is in a non Radio Resource Control (RRC)_CONNECTED state with the network device.

Abstract: Embodiments of the present application relate to methods and apparatuses for sidelink (SL) communication. According to an embodiment of the present application, a method may include: obtaining, by a remote device, a plurality of SL DRX configurations for SL communication; determining, by the remote device, one or more SL DRX configurations from the plurality of SL DRX configurations for a medium access control (MAC) layer of the remote device; and in the case that there is SL data associated with DRX in the remote device, transmitting the SL data from the remote device based on active time derived in each of the one or more SL DRX configurations. Embodiments of the present application determine three kinds of granularity for SL DRX configuration for broadcast and groupcast communication and propose how to determine SL DRX configuration for three kinds of granularity.

Abstract: Embodiments of the present disclosure relate to methods and apparatuses for handover and reestablishment in a wireless communication system. According to some embodiments of the disclosure, a method may include: receiving, at a user equipment (UE), a radio resource control (RRC) reconfiguration message including a path switch indication and a list of candidate relays; selecting a target relay from the list of candidate relays; and establishing a PC5 RRC connection with the target relay. Furthermore, the UE may select another target relay for path switch if a path switch failure associated with the first selected target relay happens.

Abstract: The present application relates to a method and an apparatus for performing cell measurement process. One embodiment of the present disclosure provides a method performed by a method performed by a User Equipment (UE) in a wireless network with a variable coverage, comprising: performing a cell measurement process of one or more cells of the wireless network; and in response to a variation in the coverage of the wireless network in relation to the UE, disabling the cell measurement process of the one or more cells of the wireless network.