Abstract: A method of a central unit—control plane (CU-CP) included in a base station in a wireless communication system and an apparatus therefor are provided. The method includes identifying information on a radio link of at least one cell associated with the base station, transmitting, to a central unit—user plane (CU-UP), information indicating downlink transmission stop or resume of the CU-UP included in the base station based on the information on the radio link, and transmitting, to a distributed unit (DU), information indicating downlink transmission stop or resume of the DU based on the information on the radio link. The method relates to converging a 4th-Generation (4G) or a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4G system with a technology for Internet of Things (IoT), and may be applied to intelligent services based on the 5G communication technology and the IoT-related technology.

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). A handover method for a terminal according to one embodiment of the present disclosure may include: receiving, from a source cell, a message including information on one or more target cells for performing a fast handover; and performing a fast handover by reusing a radio bearer based on the received information.

Abstract: A method of a central unit-control plane (CU-CP) included in a base station in a wireless communication system and an apparatus therefor are provided. The method includes identifying information on a radio link of at least one cell associated with the base station, transmitting, to a central unit-user plane (CU-UP), information indicating downlink transmission stop or resume of the CU-UP included in the base station based on the information on the radio link, and transmitting, to a distributed unit (DU), information indicating downlink transmission stop or resume of the DU based on the information on the radio link. The method relates to converging a 4th-Generation (4G) or a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4G system with a technology for Internet of Things (IoT), and may be applied to intelligent services based on the 5G communication technology and the IoT-related technology.

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). A handover method for a terminal according to one embodiment of the present disclosure may include: receiving, from a source cell, a message including information on one or more target cells for performing a fast handover; and performing a fast handover by reusing a radio bearer based on the received information.

Abstract: The present disclosure relates to a 5th generation (5G) or pre-5G communication system for supporting a higher data transmission rate than a 4th generation (4G) communication system such as long term evolution (LTE). A method performed by a distributed unit (DU) in a wireless communication system is provided. The method may include transmitting, to another node supporting a second cell that shares a frequency band of a specified range with a first cell of the base station, a message comprising information related to spectrum sharing via a DU interface, wherein the information related to the spectrum sharing comprises identification information on the first cell and identification information on the second cell.

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 various embodiments of the present disclosure, a device of a base station in a wireless communication system includes at least one transceiver, and at least one processor, wherein the at least one processor may be configured to: acquire cell deployment information about a plurality of cells; identify a primary cell (PCell) on the basis of measurement information; identify a secondary cell (SCell) associated with the PCell on the basis of the cell deployment information; and set up the identified SCell.

Abstract: The disclosure relates to a 5th generation (5G) or pre-5G communication system for supporting higher data transfer rates than 4th generation (4G) communication systems such as long term evolution (LTE). According to various embodiments of the disclosure, a method for operating a base station in which a Master Cell Group (MCG) is configured in a wireless communication system may include: detecting a failure of a Primary Cell (PCell) of a Secondary Cell Group (SCG) (PScell), transmitting inter-Radio Access Technology (RAT) measurement configuration information to a terminal based on the detection, and transmitting information on a cell identified based on the measurement configuration information to a base station in which the SCG is configured.

Abstract: This disclosure relates to a 5G or pre-5G communication system supporting a higher data rate than a 4G communication system such as LIE. More specifically, a method for performing, by a terminal, communication in a wireless communication system of the present invention comprises: a step of performing a connection procedure for a first wireless network; a step of performing a connection procedure for a second wireless network; and a step of performing communication for the same service through the first wireless network or the second wireless network according to wireless link states of the first wireless network and the second wireless network.

Abstract: The present disclosure relates to a communication method and system for converging a 4th-Generation (4G) or 5th-Generation (5G) communication system for supporting higher data rates beyond the 4G system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on 5G communication technology and IoT-related technology. A method of a central unit-control plane (CU-CP) included in a secondary node (or secondary gNB (SgNB)) in a wireless communication system supporting evolved universal terrestrial radio access and new radio dual connectivity includes receiving, from a master node (or master eNB (MeNB)), a first message requesting the SgNB to allocate a radio resource for a bearer, and transmitting a second message, including indication information indicating whether a packet data convergence protocol version of the bearer has been changed, to the CU-UP included in the SgNB. The indication information is generated based on the first message.

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). A handover method for a terminal according to one embodiment of the present disclosure may include: receiving, from a source cell, a message including information on one or more target cells for performing a fast handover; and performing a fast handover by reusing a radio bearer based on the received information.

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). A handover method for a terminal according to one embodiment of the present disclosure may include: receiving, from a source cell, a message including information on one or more target cells for performing a fast handover; and performing a fast handover by reusing a radio bearer based on the received information.

Abstract: The present disclosure relates to a communication method and system for converging a 4th-Generation (4G) communication system or a 5th-Generation (5G) communication system for supporting higher data rates beyond the 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.

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 various embodiments of the present disclosure, a device of a base station in a wireless communication system includes at least one transceiver, and at least one processor, wherein the at least one processor may be configured to: acquire cell deployment information about a plurality of cells; identify a primary cell (PCell) on the basis of measurement information; identify a secondary cell (SCell) associated with the PCell on the basis of the cell deployment information; and set up the identified SCell.

Abstract: This disclosure relates to a 5G or pre-5G communication system supporting a higher data rate than a 4G communication system such as LIE. More specifically, a method for performing, by a terminal, communication in a wireless communication system of the present invention comprises: a step of performing a connection procedure for a first wireless network; a step of performing a connection procedure for a second wireless network; and a step of performing communication for the same service through the first wireless network or the second wireless network according to wireless link states of the first wireless network and the second wireless network.

Abstract: A base station and a method by the base station for supporting mobility of a terminal in a beamforming-based wireless communication system are provided. The method includes generating beam-related information for a plurality of terminals from beam measurements result received respectively from the plurality of terminals, detecting a path in a coverage area of the base station according to the beam-related information, and transmitting a message to the terminal determined to move along the path for supporting mobility based on the beam-related information.

Abstract: A method of a central unit-control plane (CU-CP) included in a base station in a wireless communication system and an apparatus therefor are provided. The method includes identifying information on a radio link of at least one cell associated with the base station, transmitting, to a central unit-user plane (CU-UP), information indicating downlink transmission stop or resume of the CU-UP included in the base station based on the information on the radio link, and transmitting, to a distributed unit (DU), information indicating downlink transmission stop or resume of the DU based on the information on the radio link. The method relates to converging a 4th-Generation (4G) or a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4G system with a technology for Internet of Things (IoT), and may be applied to intelligent services based on the 5G communication technology and the IoT-related technology.

Abstract: The present disclosure relates to a communication method and system for converging a 4th-Generation (4G) communication system or a 5th-Generation (5G) communication system for supporting higher data rates beyond the 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.

Abstract: A base station and a method by the base station for supporting mobility of a terminal in a beamforming-based wireless communication system are provided. The method includes generating beam-related information for a plurality of terminals from beam measurements result received respectively from the plurality of terminals, detecting a path in a coverage area of the base station according to the beam-related information, and transmitting a message to the terminal determined to move along the path for supporting mobility based on the beam-related information.

Abstract: A method of establishing a radio bearer by a User Equipment (UE) in a wireless communication system supporting a plurality of communication systems is provided. The method includes: receiving first core information related to a plurality of core networks from an evolved NodeB (eNB); selecting one of the plurality of core networks based on the first core information; transmitting second core information related to the selected core network to the eNB; and establishing a Signaling Radio Bearer (SRB) corresponding to the selected core network.

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). A handover method for a terminal according to one embodiment of the present disclosure may include: receiving, from a source cell, a message including information on one or more target cells for performing a fast handover; and performing a fast handover by reusing a radio bearer based on the received information.