Abstract: The disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). The disclosure provides a method and apparatus for configuring a relay node. A first node transmits to a second node a message that carries information on a radio bearer for a user accessing the second node. Configuration of the radio bearer for data transmission in a multi-hop network is realized through the above method and apparatus.

Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. According to an aspect of the embodiments of the present disclosure, a method for supporting handover is provided, comprising: receiving a message from a central unit control plane entity of a target base station; receiving a data packet from a source base station; and discarding a packet data convergence protocol (PDCP) service data unit (SDU) including the PDCP sequence number (SN) in the received data packet according to the indication of the message.

Abstract: The disclosure relates to a method and device for self-optimization and self-configuration, and provides a method performed by a first node in a wireless communication system, including: acquiring, by the first node, first configuration information related to a successful handover report (SHR); transmitting, by the first node, the first configuration information to a user equipment (UE).

Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). The embodiments of the present application provide a method and a device for routing a data packet, and a method and a device for controlling a data packet transmission. The data packet routing method includes: receiving a first message transmitted by a first node; and determining a transmission path of the data packet according to the first message. The method provided in the present application achieves that a node in a relay network can determine a condition for transmitting the data packet by using other transmission paths, thereby effectively using multiple transmission paths to implement the data packet transmission.

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. A method performed by a first node in a wireless communication system, including receiving, from a second node, downlink user data through a first radio bearer, the downlink user data including multicast service data; transmitting, to at least one UE, the downlink user data through a second radio bearer; and transmitting, to the second node, a downlink data delivery status including PDCP sequence number information, wherein the PDCP sequence number information includes a higher PDCP sequence number between a highest PDCP sequence number successfully delivered in sequence associated with a first transmission mode and a highest PDCP sequence number transmitted to lower layers associated with a second transmission mode.

Abstract: The disclosure relates to a pre-5th-generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-generation (4G) communication system such as long term evolution (LTE). The embodiments of the disclosure provide a session setup method, including: receiving a message for creating a session management context; selecting a user plane functional entity (UPF) for redundant session processing in response to the message; and setting up a packet data unit (PDU) session corresponding to the UPF. There are further provided a session setup method for a base station and related devices. The above technical solutions can realize reliability of service transmission.

Abstract: The disclosure relates to a pre-5th generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4th generation (4G) communication system such as long term evolution (LTE). A method for data processing in a wireless communication network is provided. The method includes obtaining, by a first node, data, and generating, by the first node, information for self optimization according to the data.

Abstract: A method performed by a first network node in a wireless communication system is provided. The method includes determining whether to establish an F1 tunnel with a third node, transmitting, to a second node, a first message including a first indication, wherein the first indication indicates that a user plane between the third node and the first node has not been established, and transmitting, to the third node, a second message including a second indication, wherein the second indication indicates that the user plane between the third node and the first node has not been established.

Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The present disclosure provides a method of a base station for supporting an inter-system handover from an evolved packet system (EPS) system to a 5th generation (5G) system. The method solves the data forwarding problem during the movement of a UE between an LTE system and a 5G system, so that the loss of data is avoided and the continuity of services is ensured.

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. A method performed by a node (a device) in a wireless communication system, and a node (a device) are provided. A method performed by a first node in a wireless communication system is provided. The method includes acquiring time information related to data, and transmitting a first message to a second node based on the time information related to the data, wherein the first message includes identity information of the data and at least one configuration information.

Abstract: A method and a base station for determining transmission paths are provided. The method includes determining that multiple transmission paths are to be configured for each of one or more terminals, and determining first configuration information of a terminal group corresponding to each terminal, which is used for configuring multiple transmission paths for a terminal in the terminal group. The disclosure reduces the complexity and computation amount of configuring transmission paths and improves the system performance.

Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). The present application provides a configuration method, a reporting method of a minimization of drive tests (MDT) measurement and an access network device, wherein the configuration method comprises: receiving, by a user node of an access network (CU-UP), a configuration information of MDT from an operation and maintenance node; transmitting, by the CU-UP, the configuration information of MDT to a control node of an access network (CU-CP); receiving, by the CU-UP, the configuration information of MDT for UE from the CU-CP. The MDT under a separate architecture is achieved by the present application.

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. A first node, a second node, a method performed by first node and a method performed by second node in a wireless communication system are provided. The method performed by first node includes receiving a message regarding at least one of a measurement report of a UE, a suggested target cell for UE, a suggested handover execution condition for UE, and a PDCP sequence number for UE from a second node, and determining information for handover of UE based on the received message. The invention can improve efficiency of handover and/or avoid redundancy for data forwarding during handover.

Abstract: The present disclosure provides a method for establishing a default radio data bearer on a secondary base station, and a corresponding master base station, secondary base station, and computer readable media. The method includes: notifying the secondary base station to establish the default radio data bearer; receiving, from the secondary base station, a notification of information about establishment of the default radio data bearer; and receiving, from the secondary base station, a notification of information about release of the default radio data bearer. The present disclosure also provides a method for data replication and data transmission performed by an entity where PDCP is located, a method for data replication performed by an entity where RLC is located, a data counting method performed by an entity where RLC is located, an entity where PDCP is located, an entity where RLC is located, and a computer readable medium.

Abstract: Methods and apparatuses are provided in a wireless communication system. A first message is transmitted, to a secondary base station, for querying a first secondary cell group (SCG) configuration associated with the secondary base station. A second message is received from the secondary base station after transmitting the first message. The first message includes information indicating that the master base station requests the first SCG configuration, and the second message includes information on the first SCG configuration.

Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). According to the present application, a method for transmitting control signaling in a relay network comprises: a second relay node acquires a first control signaling and a second control signaling, wherein the first control signaling contains an F1AP message; the second relay node processes the first control signaling and the second control signaling in the same manner or different manners; and the second relay node transmits the first control signaling and the second control signaling to a first relay node.

Abstract: Embodiments of the present invention provide a dual-connectivity (DC) establishment method and device. The first DC architecture includes a Master Node (MN) and a Secondary Node (SN), wherein the SN includes a Central Unit (CU) and a Distributed Unit (DU); and, the CU includes a Control Plane functional entity (CP) and a User Plane functional entity (UP). The method includes steps of: receiving, by an SN-CP, a first SN setup request message transmitted by an MN; transmitting a first resource setup request message to an SN-UP according to the first SN setup request message, and receiving a first resource setup response message transmitted by the SN-UP; and, transmitting, by the SN-CP, a first bearer setup request message to an SN-DU, and receiving a first bearer setup response message transmitted by the SN-DU.

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. A method includes: receiving related information about usage of a network slice resource from a second node: when a network slice resource corresponding to a requested PDU session is not supported or shortage, allocating other available resource for requested PDU session by considering above information. Embodiments of present application implement method as provided, so network slice enhance can be achieved, network slices can be utilized better and allocated with reasonable resources, and continuity of service and quality of service are guaranteed in limited network resources available, thus practical application requirements are met better.

Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). The present disclosure discloses a system, a data transmission method and a network equipment supporting a Packet Data Convergence Protocol (PDCP) duplication function. The data transmission method supporting a PDCP duplication function comprises the steps of: transmitting, by a first network equipment, a configuration instruction message of a radio bearer supporting a PDCP duplication function to a second network equipment; and, performing, by the first network equipment and the second network equipment, transmission of a data packet of the radio bearer configured with the PDCP duplication function.

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. The present disclosure provides a method and an apparatus supporting self-configuration and self-optimization.