Abstract: Disclosed is a ZnO/carbon allotrope composite for a formaldehyde sensor. The ZnO/carbon allotrope composite for a formaldehyde sensor comprising a substrate, a conductive metal coating layer formed on the substrate, a ZnO seed layer formed on the coating layer, ZnO nanorods grown from the ZnO seed layer, and a carbon allotrope layer formed on and overlapping with the nanorods. Also disclosed is a method for preparing a ZnO/carbon allotrope composite for a formaldehyde sensor. The method includes depositing a conductive metal coating layer on a substrate, sputtering Zn on the conductive metal coating layer to form a ZnO layer, followed by annealing to form ZnO seeds in the ZnO layer, growing ZnO nanorods from the ZnO seeds; and coating a carbon allotrope on the ZnO nanorods to form a carbon allotrope layer overlapping with the nanorods.

Abstract: The disclosure relates to a method and a device therefor, wherein the method is applied to CA between base stations including multiple base stations connected through non-ideal backhaul, has a master RLC pre-assign an RLC SN to a PDCP PDU and transmit the PDCP PDU to a slave RLC of each base station, and has the master RLC take full responsibility for ARQ retransmission management, thereby enabling more efficient use of a network resource and a reduction in the time spent for a retransmission.

Abstract: The present disclosure relates to a 5th generation (5G) or pre-5G communication system for supporting higher data transmission rates than 4th generation (4G) communication systems such as long term evolution (LTE). A method performed by a first base station in a wireless communication system includes: identifying a first signal-to-interference-noise ratio (SINR), based on channel state information received from a terminal; identifying a modulation and coding scheme (MCS), based on the first SINR and information on a link direction of a second base station; and transmitting information indicating the MCS to the terminal.

Abstract: Proposed is a method for producing a polymeric piezoelectric composite having boron nitride nanotubes (BNNT) dispersed therein, the method including: a solution-providing step for providing a polymeric solution; a dispersing step for dispersing BNNT in the polymeric solution; and an electro spinning step for electro spinning the polymeric solution with BNNT dispersed therein, thereby producing micro- and/or nano fibers based polymeric piezoelectric composites.

Abstract: An example base station in a wireless communication system includes a communication module for communicating with a user terminal and a cooperative base station, the base station communicating with the user terminal in a first frequency band, and the cooperative base station communicating with the user terminal in a second frequency band, a memory for storing computer-executable instructions, and a processor configured to execute the computer-executable instructions by accessing the memory, wherein when the instructions are executed by the processor, the processor is configured to control the base station to receive uplink information and downlink information in the first frequency band and the second frequency band for the user terminal from the user terminal and the cooperative base station, determine whether the user terminal is a terminal in which interference may occur, based on a combination of the first frequency band and the second frequency band, and if the user terminal is a terminal in which interf

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). An apparatus and a method for managing uplink control channels in a wireless communication system are provided. The operating method of a base station includes transmitting configuration information for a carrier aggregation (CA) operation using a first carrier and a second carrier, and transmitting a message for activation or deactivation of an uplink control channel in the second carrier based on an electric field strength of a channel with a terminal or a location of the terminal during the CA operation according to the configuration information.

Abstract: A method and an apparatus for controlling a packet transmission for a split bearer to reduce latency in a wireless communication system are provided. A method by a third node for controlling a packet transmission for a split bearer connected to a first node and a second node in a wireless communication system includes obtaining information related to a buffer state of each of the first node and the second node, determining a packet arrival time at a terminal through each of the first node and the second node based on the information related to the buffer state of each of the nodes, selecting one of the first node and the second node based on a comparison of the packet arrival time corresponding to the first node with the packet arrival time corresponding to the second node, and transmitting a packet to the terminal through the selected node.

Abstract: 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) is provided. The 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 disclosure proposes a transmission path determination method and apparatus for latency reduction.

Abstract: The disclosure relates to a method and a device therefor, wherein the method is applied to CA between base stations including multiple base stations connected through non-ideal backhaul, has a master RLC pre-assign an RLC SN to a PDCP PDU and transmit the PDCP PDU to a slave RLC of each base station, and has the master RLC take full responsibility for ARQ retransmission management, thereby enabling more efficient use of a network resource and a reduction in the time spent for a retransmission.

Abstract: The disclosure relates to a method and a device therefor, wherein the method is applied to CA between base stations including multiple base stations connected through non-ideal backhaul, has a master RLC pre-assign an RLC SN to a PDCP PDU and transmit the PDCP PDU to a slave RLC of each base station, and has the master RLC take full responsibility for ARQ retransmission management, thereby enabling more efficient use of a network resource and a reduction in the time spent for a retransmission.

Abstract: The present invention relates to a method and an apparatus for real-time transmit power control of a base station and, more particularly, to a method and an apparatus for adjusting real-time transmit power of each cell for improving UE throughput in a multi-carrier environment. A method of controlling transmit power of each cell by a server of the present invention comprises the steps of: receiving setting information from a system management server; receiving channel state information and loading-related information from a base station controlling each cell; determining transmit power to be applied to each cell on the basis of the setting information, the channel state information, and the loading-related information; and transmitting the determined transmit power information to the base station controlling each 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). An apparatus and a method for managing uplink control channels in a wireless communication system are provided. The operating method of a base station includes transmitting configuration information for a carrier aggregation (CA) operation using a first carrier and a second carrier, and transmitting a message for activation or deactivation of an uplink control channel in the second carrier based on an electric field strength of a channel with a terminal or a location of the terminal during the CA operation according to the configuration information.

Abstract: 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) is provided. The 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 disclosure proposes a transmission path determination method and apparatus for latency reduction.

Abstract: A method and an apparatus for controlling a packet transmission for a split bearer to reduce latency in a wireless communication system are provided. A method by a third node for controlling a packet transmission for a split bearer connected to a first node and a second node in a wireless communication system includes obtaining information related to a buffer state of each of the first node and the second node, determining a packet arrival time at a terminal through each of the first node and the second node based on the information related to the buffer state of each of the nodes, selecting one of the first node and the second node based on a comparison of the packet arrival time corresponding to the first node with the packet arrival time corresponding to the second node, and transmitting a packet to the terminal through the selected node.

Abstract: Proposed is a method for producing a polymeric piezoelectric composite having boron nitride nanotubes (BNNT) dispersed therein, the method including: a solution-providing step for providing a polymeric solution; a dispersing step for dispersing BNNT in the polymeric solution; and an electro spinning step for electro spinning the polymeric solution with BNNT dispersed therein, thereby producing micro- and/or nano fibers based polymeric piezoelectric composites.

Abstract: One embodiment of the present invention provides an apparatus comprising a transceiving unit and a control unit, and a communication method using the same, wherein the transceiving unit is configured to perform communication with at least one network node in a macro cell, the macro cell comprising at least one small cell and communicating in an FDD mode, and wherein the control unit is configured to control the small cell to communicate in a TDD mode, generate control information for preventing the occurrence of handover when a terminal moves between the small cells within the macro cell, and perform control to transmit the control information to the terminal.

Abstract: One embodiment of the present invention provides an apparatus comprising a transceiving unit and a control unit, and a communication method using the same, wherein the transceiving unit is configured to perform communication with at least one network node in a macro cell, the macro cell comprising at least one small cell and communicating in an FDD mode, and wherein the control unit is configured to control the small cell to communicate in a TDD mode, generate control information for preventing the occurrence of handover when a terminal moves between the small cells within the macro cell, and perform control to transmit the control information to the terminal.

Abstract: The present disclosure relates to a 4G communication system such as LTE and a 5G or pre-5G communication system for supporting a higher data rate after a 4G communication system. The present invention relates to a method for generating scheduling-related information comprising the steps of: receiving first reference information; receiving second reference information; generating first scheduling-related information using the received first reference information and second reference information, and generating second scheduling-related information by considering the first scheduling-related information; and sending the first scheduling-related information to a first cell and sending the second scheduling-related information to a second cell.

Abstract: The disclosure relates to a method and a device therefor, wherein the method is applied to CA between base stations including multiple base stations connected through non-ideal backhaul, has a master RLC pre-assign an RLC SN to a PDCP PDU and transmit the PDCP PDU to a slave RLC of each base station, and has the master RLC take full responsibility for ARQ retransmission management, thereby enabling more efficient use of a network resource and a reduction in the time spent for a retransmission.

Abstract: A method for communicating with a network by a terminal in a wireless communication system, wherein the terminal receives, from the network, signaling information representing a transmission period and a time offset for uplink transmission of a feedback information, and determines a time to transmit the feedback information based on the transmission period and the time offset. The terminal transmits the feedback information to the network based on the determined time.