Abstract: Embodiments of the present application relate to methods and apparatuses for deactivating and activating a secondary cell group (SCG) 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 can include: in response to determining to activate a SCG, transmitting state information for one or more secondary cells (SCells), wherein the one or more SCells are associated with the SCG; and in response to determining to deactivate the SCG, transmitting the state information for the one or more SCells and transmitting configuration information regarding a behaviour of a user equipment (UE).

Abstract: Embodiments of the present disclosure relate to methods and apparatuses for coverage extension and wireless communication. According to some embodiments of the disclosure, a method may include: receiving from a base station (BS) a message comprising an indication that a drone-based relay or vehicle-based relay is supported by the BS, wherein the mobile terminal is allowed to serve as a relay node between the BS and a user equipment (UE); and in response to receiving the indication indicating that a drone-based relay or vehicle-based relay is supported by the BS, performing a random access procedure with the BS. In addition, the mobile terminal may report the assistant information, e.g., the remaining power information, to the BS.

Abstract: An example operation may include one or more of storing an index that comprises identifiers of role-based access privileges for a plurality of users with respect to a database, receiving a database query associated with a user from a software program, identifying data records within the database that the user has permission to access based on database accessibility rights of the user stored within the index, prior to execution of the database query, loading the identified data records into the memory and filtering out other data records from the database which the user does not have permission to access, and executing the database query on the identified data records loaded from the database and returning query results from the execution to the software program.

Abstract: This application provides a communications method and a communications apparatus, to reduce storage resources required by an access network device to store a context of a terminal device. The method includes: The access network device gathers terminal devices that have a same attribute in a group, where a context of each terminal device is divided into two parts: a common context and a dedicated context, the common context is shared by all the terminal devices in the group, and the dedicated context is a context specific to the terminal device. The access network device stores one common context for each group and stores a dedicated context of each terminal device in the group, to maintain the context of each terminal device.

Abstract: A method for performing random access includes: performing a 2-step RA procedure with a BS (S401); receiving a fallback RAR from BS (S404); performing a 4-step RA procedure with BS (S405); and associating a 2-step RA information of the 2-step RA procedure with a 4-step RA information of the 4-step RA procedure (S407).

Abstract: Embodiments of the present disclosure relate to Multicast and Broadcast Service (MBS) services. The method includes receiving configuration information from a network device, the configuration information relating to a multicast and broadcast service (MBS) service provided in one or more serving cells. The method also includes receiving downlink control information from the one or more serving cells in which the MBS service is provided. The method further includes receiving the MBS service that is provided in the one or more serving cells based on the downlink control information.

Abstract: Disclosed are methods and apparatus for artificial intelligence (AI) application in radio access network (RAN). One embodiment of the subject application provides a method performed by a training host (or a wireless network node including a training host) includes receiving a request associated with a wireless network activity, identifying a primary processing model for accomplishing the wireless network activity, and transmitting first information associated with the primary processing model to a second wireless network node to accomplish the wireless network activity, herein the first wireless network node is capable of identifying the primary processing model from a plurality of processing models to accomplish the wireless network activity.

Abstract: Embodiments of the present application relate to methods and apparatuses for multicast and broadcast services (MBS). An exemplary method performed by a node of a wireless network to provide a multicast and broadcast service (MBS) associated with a user equipment (UE) of the wireless network may include: determining whether to activate or deactivate a point-to-point (PTP) mode to provide the MBS to the UE; and transmitting a data transmission indication via a user plane protocol of a network interface in the wireless network to activate or deactivate the PTP mode. Embodiments of the present application can support more efficient dynamic switching between PTP mode and point-to-multipoint (PTM) mode for MBS and/or distinguish new transmission data and retransmission data for MBS.

Abstract: Embodiments of the present application relate to methods and apparatuses for a configuration replace operation in a conditional primary cell of a secondary cell group (PSCell) addition and change (CPAC) procedure under a 3rd Generation Partnership Project (3GPP) 5G system or the like. According to an embodiment of the present application, a method performed by a radio access network (RAN) node can comprises: receiving configuration information relating to a CPAC procedure; and in response to the configuration information relating to the CPAC procedure being modified, communicating the modified configuration information with another RAN node via a Xn interface or a X2 interface.

Abstract: Embodiments of the present application relate to methods and apparatuses of an enhanced mechanism for a deactivated or dormant secondary node (SN) 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 user equipment (UE) and can include: receiving configuration information from a serving cell, wherein the configuration information indicates to the UE an activated or a deactivated state of a secondary node (SN); and in response to receiving the configuration information indicating the activated state of the SN of the UE, receiving a deactivation indication or determining an expiry of a timer associated with deactivating the SN of the UE.

Abstract: The present application relates to a method and an apparatus for performing a handover procedure. One embodiment of the subject application provides a method, which includes: receiving a configuration signaling including first configuration information or second configuration information; determining a first target primary cell (PCell) based on the configuration signaling; and performing a handover procedure to the first target PCell.

Abstract: Embodiments of the present application relate to methods and apparatuses for a beam failure detection and recovery procedure in a deactivated secondary node (SN) case 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 include: receiving configuration information relating to at least one of a beam failure detection (BFD) procedure and a beam failure recovery (BFR) procedure; and receiving a deactivation indication associated with a SN of the UE, or determining an expiry of a timer associated with deactivating the SN of the UE, wherein the deactivation indication is included in at least one of: a radio resource control (RRC) message; and a deactivation medium access control (MAC) control element (CE).

Abstract: Disclosed are methods and apparatuses for reporting successful handover related information and/or failure related information by a user equipment to a base station. One embodiment of the subject application provides a method performed by a user equipment, including indicating, in an indication message, availability of successful handover related information and/or availability of failure related information, and transmitting the successful handover related information and/or the failure related information to a base station (BS) in response to reception of a request message from the BS, wherein the request message is based on the indication message.

Abstract: Embodiments of the present application are related to a method and apparatus for multicast and broadcast services. An exemplary method of the present application includes: receiving multicast and broadcast services (MBS) data associated with a user equipment (UE) in a first node, wherein the MBS data is delivered via a shared delivery mode in a wireless network; receiving, in the first node, handover acknowledge information from a second node, the handover acknowledge information indicating that a handover request associated with the UE is allowed; and determining, in the first node, whether to forward the MBS data to the second node by the first node, in response to receiving the handover acknowledge information from the second node.

Abstract: Embodiments of the present disclosure relate to methods and apparatuses for a user equipment (UE) triggered secondary cell group (SCG) activation procedure in a multi-radio dual connectivity (MR-DC) scenario. According to an embodiment of the present disclosure, a method which may be performed by a UE includes: deciding whether to activate a SCG associated with a secondary node (SN), wherein the SCG has been deactivated; and in response to deciding to activate the SCG, triggering a random access (RA) procedure to the SN.

Abstract: Embodiments of the present application relate to methods and apparatuses for handling a service belonging to a multicast broadcast service (MBS) at a radio access network (RAN) node under a 3rd Generation Partnership Project (3GPP) 5G system or the like. According to an embodiment of the present application, a method can include: receiving information relating to one or more on-going MBS associated with a UE at one or more RAN nodes; and receiving configuration information from another RAN node, so that at least some or all of data relating to at least one of the one or more on-going MB S associated with the UE can be provided by the abovementioned another RAN node.

Abstract: Embodiments of the present application relate to methods and apparatuses for exchanging configuration information regarding a multicast radio bearer (MRB) 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 include: obtaining capability information regarding one or more neighbor nodes in a RAN, the capability information regarding the one or more neighbor nodes is associated with a multicast broadcast service (MBS); determining, based on the capability information regarding the one or more neighbor nodes, configuration information regarding a MRB; and transmitting, to a another RAN node in a MR-DC scenario, the configuration information regarding the MRB, wherein the abovementioned another RAN node belongs to the one or more neighbor nodes.

Abstract: The disclosure provides communication methods and apparatuses. One example method including a first access network device sends a first message to a terminal device and a second message to a core network device. The first message is used to indicate the terminal device to enter an inactive state. The second message carries context information and a first security verification parameter of the terminal device, and the first security verification parameter is used to perform security verification on the terminal device. The first access network device receives a third message from a second access network device, where the third message is used to request the context information of the terminal device. The first access network device sends a fourth message to the second access network device, where the fourth message is used to indicate the first access network device not to provide the second access network device with the context information.

Abstract: Embodiments of the present disclosure relate to methods and apparatuses for multicast and broadcast services (MBS). According to an embodiment of the present disclosure, a method may include: determining whether a user equipment (UE) in an RRC_IDLE state or RRC_INACTIVE state should enter an RRC_CONNECTED state for reception of at least one MBS session; and transmitting indication information for indicating whether the UE should enter the RRC_CONNECTED state.

Abstract: Embodiments of the present application relate to a method and apparatus for multicast and broadcast services (MBS). An exemplary method can include: receiving configuration information indicating: receiving configuration information indicating a first data inactivity timer associated with MBS; and determining whether to transfer from a first radio resource control (RRC) state to a second RRC state at least based on the first data inactivity timer. Embodiments of the present application can avoid unnecessary RRC state transition of a user equipment (UE).