Abstract: Embodiments of the present application relate to methods and apparatuses for a combined condition in a conditional handover (CHO) procedure 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 can include: receiving, from a network node, CHO configuration information associated with a candidate cell of the UE, wherein the CHO configuration information includes an execution condition comprising an event and a further event; and transmitting, to the network node, assistant information related to at least one of the event and the further event.

Abstract: Embodiments of the present disclosure relate to wireless communication in an integrated access and backhaul (IAB) network. According to some embodiments of the disclosure, a method performed by a UE may include: determining a location status of the UE relative to a mobile wireless network node based on a criterion. wherein the mobile wireless network node is allowed to serve as a mobile relay node between a BS and the UE: and transmitting the determined location status of the CE to at least one of the mobile wireless network node or the BS.

Abstract: Embodiments of the present application relate to methods and apparatuses for deactivation secondary node (SN) with multiple transmission reception points (TRPs) and a secondary cell group (SCG) activation failure. According to an embodiment of the present application, a user equipment (UE) includes a transceiver and a processor coupled to the transceiver; and the processor is configured: to receive a first configuration associated with a set of transmission reception points (TRPs) for a secondary cell group (SCG) of a network; to receive a second configuration associated with a state of the SCG of the network, wherein the state of the SCG corresponds to a deactivated state; to receive an activation indication associated with the SCG from the network; and to access to the SCG via a random access channel (RACH) procedure.

Abstract: Example communication methods and apparatus are described. One example method includes determining, by a terminal device, that a connection failure occurs between the terminal device and a first cell, where the first cell is a cell of a first network device. The terminal device determines signal quality of a second cell of a second network device, where both the first network device and the second network device provide communication services for the terminal device. If the signal quality of the second cell is greater than or equal to a first preset threshold, the terminal device performs a connection recovery process between the terminal device and the first cell by using the second cell.

Abstract: The present application relates to methods and apparatus for MRO for PSCell change or CPAC in NR-U. One embodiment of the present disclosure provides a master node (MN), comprising: a transceiver; and a processor coupled to the transceiver, wherein the transceiver is configured to receive first information related to downlink (DL) listen before talk (LBT) failure from a first secondary node (SN), and/or second information related to uplink (UL) LBT failure associated with secondary cell group (SCG) failure from one of: a user equipment (UE), or a third node, or a second SN; and wherein the processor is configured to determine whether or not to transfer the first information and/or the second information to the second SN for the second SN to perform a SCG failure type detection.

Abstract: Embodiments of the present application relate to methods and apparatuses for mobility enhancements for an unmanned aerial vehicle (UAV). According to an embodiment of the present application, a user equipment (UE) includes a processor and a transceiver coupled to the processor; and the processor is configured: to receive, via the transceiver, configuration information of a conditional handover (CHO) procedure regarding at least one of a height based condition or a flight path based condition; to evaluate whether at least one execution condition for at least one candidate cell of the CHO procedure is satisfied, wherein the at least one execution condition includes the at least one of the height based condition or the flight path based condition; and to execute the CHO procedure upon the at least one execution condition being satisfied.

Abstract: Embodiments of the present disclosure relate to buffer status reporting. According to some embodiments of the disclosure, a method performed by a wireless node may include: receiving a radio resource control (RRC) message configuring one or more logical channels (LCHs) of the wireless node, wherein the RRC message comprises one or more logical channel group (LCG) IDs corresponding to the one or more LCHs; generating a first buffer status reporting (BSR) medium access control (MAC) control element (CE) based on the received RRC message; and transmitting the first BSR MAC CE to a network node.

Abstract: A communication method includes receiving, by a terminal device comprising a processor, indication information from a master node. The indication information is used to indicate that a key used for signaling transmission performed between the terminal device and a first secondary node by using a second signaling radio bearer (SRB) is a first key. The first key is used for signaling transmission performed between the terminal device and the master node by using a first SRB. The first secondary node and the master node share one central unit. The communication method also includes determining, by the terminal device, based on the indication information, that the first key is used for signaling transmission performed between the terminal device and the first secondary node by using the second SRB.

Abstract: A communication method and apparatus, the method including receiving configuration information of a serving cell, where the configuration information includes a set of physical downlink control channel (PDCCH) configurations, and the set of PDCCH configurations includes N control resource set-related parameters, where each of the N control resource set-related parameters corresponds to each of N transmission reception points (TRPs), and N is an integer greater than or equal to 2, and communicating with the serving cell based on the configuration information.

Abstract: Embodiments of this application provide a communication method, a communications apparatus, and a storage medium. The communication method includes: sending, by a new master network device, a request to an original master network device, to request context information of a terminal device on the original master network device and an original secondary network device; and receiving the context information of the terminal device on the original master network device and the original secondary network device from the original master network device. This application can effectively simplify implementation steps of resuming a multi-connectivity mode by the terminal device, reduce signaling procedures, and shorten a delay, thereby improving network transmission efficiency.

Abstract: Disclosed are methods and apparatuses for conditional handover in a non-terrestrial network (NTN). An embodiment of the subject application provides a user equipment (UE). The UE includes a processor and a wireless transceiver coupled to the processor. The processor is configured to: receive, with the wireless transceiver, at least a conditional handover (CHO) configuration and a CHO execution condition for a target cell, wherein the CHO execution condition includes: a time-based event and at least one measurement-based event, or a location-based event and at least one measurement-based event; and evaluate whether the CHO execution condition is fulfilled.

Abstract: Embodiments of the present disclosure relate to a method and apparatus for wireless communication. According to some embodiments of the disclosure, a UE may detect uplink data with a first importance level becoming available to a medium access control (MAC) entity of the UE, wherein the first importance level may identify the relative importance information of the uplink data. The UE may trigger buffer status reporting (BSR) in response to the first importance level satisfying a criterion for triggering the BSR.

Abstract: Embodiments of the present application relate to methods and apparatuses of a mobility robustness optimization (MRO) mechanism for uplink (UL) coverage enhancement (CE) and network slicing procedures. According to an embodiment of the present application, a user equipment (UE) includes a processor and a transceiver coupled to the processor; and the processor is configured: to receive, via the transceiver from a network node, configuration information regarding at least one of a network slicing operation or an uplink (UL) transmission repetition operation; to perform a UL data transmission procedure or a random access channel (RACH) procedure based on the configuration information; and to transmit, via the transceiver to a serving cell, assistant information related to a failure of the UL data transmission procedure or a random access problem of the RACH procedure, wherein the assistant information is associated with at least one of the network slicing operation or the UL transmission repetition operation.

Abstract: Embodiments of the present disclosure relate to methods and apparatuses for packet data convergence protocol (PDCP) reordering management. According to an embodiment of the present disclosure, a user equipment (UE) can include: a receiver configured to receive at least one of application data unit (ADU) discard information associated with an ADU or ADU related information associated with the ADU; and a processor coupled to the receiver and configured to perform a PDCP reordering window management based on the received at least one of the ADU discard information or the ADU related information.

Abstract: Embodiments of the present application relate to methods and apparatuses for a primary secondary cell (PSCell) switch procedure in a multi-radio dual connectivity (MR-DC) scenario 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) in a MR-DC scenario and can include: transmitting capability information of the UE to a network, wherein the capability information indicates that the UE supports a PSCell switch procedure to switch from a source PSCell to a target PSCell; receiving configuration information from the network; performing the PSCell switch procedure based on the received configuration information, to switch from the source PSCell to the target PSCell; and transmitting information regarding the target PSCell to the network.

Abstract: The present application relates to a method and an apparatus for determining a failure type. One embodiment of the present disclosure provides a method performed by a user equipment (UE), which includes: performing a first listen before talk (LBT) procedure before transmitting an access message for a handover procedure; determining first LBT information and/or first handover failure (HOF) information when a HOF occurs; and transmitting the first LBT information and/or the first HOF information to a serving node of the UE.

Abstract: The present application relates to methods and apparatuses for handling failure.

Abstract: Embodiments of the present application relate to methods and apparatuses for a mobility robustness optimisation (MRO) mechanism. According to an embodiment of the present application, a UE includes a processor and a wireless transceiver coupled to the processor; and the processor is configured: to store information including distance information associated with a distance between the UE and a reference location, wherein the information is at least one of radio link failure (RLF) related information, handover failure related information, or handover success related information; and to transmit the information via the wireless transceiver to a network node.

Abstract: This disclosure provides a handover method, a communications apparatus, and a terminal device. The handover method includes determining a first target cell based on first conditional handover (CHO) configuration information, where the first target cell is a cell to which the terminal device is to be handed over, and in a process of attempting to access the first target cell, when receiving second CHO configuration information, determining, based on the second CHO configuration information, whether to continue to be handed over to the first target cell.

Abstract: A communications method, including receiving, by a second access network device, a first message from a terminal device, the first message indicating occurrence of a connection failure between the terminal device and a first access network device, where the first access network device is a master access network device that exists before the terminal device sends the first message, and the second access network device is a secondary access network device of the terminal device, sending an identifier of the terminal device to the first access network device, receiving, by the second access network device, context information that is of the terminal device on the first access network device and that is from the first access network device, and indicating, by the second access network device, to the terminal device to update to use the second access network device as a new master access network device.