Abstract: Disclosed is a multi-layer rolled composite board, comprising a transition layer provided between two adjacent composite layers, wherein the transition layer is an anisotropic steel sheet. Also disclosed is a manufacturing method for the multi-layer rolled composite board, the method comprising the following steps: (1) providing a transition layer between adjacent composite layers to assemble a blank, and creating a vacuum between the layers; and (2) performing composite rolling, comprising: heating the blank to 1100-1260° C. and maintaining the temperature for 0.6 h or above, then performing hot rolling at a temperature of Ar3 or above, with the final rolling temperature being controlled to be higher than 820° C., cooling at a speed of 30-100° C./s after rolling, and then coiling, with the coiling temperature being controlled to be 20-750° C.

Abstract: The present disclosure relates to a pre-5G or 5G communication system to be provided for supporting higher data rates beyond 4G communication system such as LTE. A method of transmitting a synchronization signal for device-to-device (D2D) communication in an asynchronous network is provided. The method includes transmitting, at the first cell, a system information block (SIB) including resource allocation information of a first cell and at least one neighboring cell, determining whether a first terminal is in a first mode and whether the first terminal is scheduled to perform one of a D2D communication and a D2D discovery, determining, when the first terminal is in the first mode, whether the first terminal is required to transmit a D2D synchronization signal (D2DSS), and transmitting, when the first terminal is required to transmit the D2DSS, scheduling information including a transmission time point and transmission reference timing information to the first terminal.

Abstract: The present disclosure relates to a 5th generation (5G) or pre-5G communication system for supporting a higher data rate in comparison to the 4G communication system, such as long term evolution (LTE). A method for a terminal to establish synchronization with another terminal in a network supporting device-to-device (D2D) communication is provided. The method includes scanning, at the terminal, for synchronization signals from at least one base station, acquiring, when a synchronization signal is received from a base station, synchronization with the base station based on the synchronization signal, measuring power of the synchronization signal received from the base station, and transmitting, when data to be transmitted are generated in idle mode and the received signal power is less than a received signal power, a synchronization signal as a synchronization relaying terminal.

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) are provided. The communication method and system 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. A method of a user equipment (UE) for receiving data is provided. The method includes receiving, from a base station, information on radio resources allocated to the UE, and receiving, from the base station, data based on the information on the radio resources. The radio resources are associated with a plurality of symbols in a time domain and a plurality of resource block groups in a frequency domain.

Abstract: The present disclosure relates to a communication technique of fusing a 5G communication system for supporting higher data transmission rate beyond a 4G system with IoT technology and a system thereof. The present disclosure may be applied to intelligent services (e.g., smart home, smart building, smart city, smart car or connected car, health care, digital education, retail business, security and safety related service, or the like) based on the 5G communication technology and the IoT related technology. The present disclosure discloses a method and an apparatus for transmitting/receiving a random access channel (RACH) according to beam reciprocity (beam correspondence) with a method and an apparatus for supporting various services.

Abstract: The present disclosure relates to a 5th generation (5G) or pre-5G communication system for supporting a higher data transmission rate beyond a 4th generation (4G) communication system such as long term evolution (LTE). The present disclosure is to transmit a downlink control channel in a wireless communication system. An operation method of a base station comprises the steps of: transmitting information on a configuration of a control channel using a plurality of transmission beams; transmitting control information through the control channel, using the plurality of transmission beams; and transmitting data through a data channel allocated by the control information, using at least one of the plurality of transmission beams.

Abstract: A method of controlling transmission power of a terminal performing device to device (D2D) communication in a wireless communication system, the method including receiving power control information corresponding to radio resources used for the D2D communication by the terminal from a base station, determining a first transmission power of the radio resources to be used for the D2D communication by the terminal among the radio resources, and transmitting data for the D2D communication with the determined first transmission power by using the radio resource to be used for the D2D communication by the terminal.

Abstract: A communication method and system for converging a fifth generation (5G) communication system for supporting higher data rates beyond a fourth generation (4G) system with a technology for internet of things (IoT) are provided. The communication method and system 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. A method by a terminal for determining frequency resources in a cellular network is provided.

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) are provided. The communication method and system 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. A method of a user equipment (UE) for receiving data is provided. The method includes receiving, from a base station, information on radio resources allocated to the UE, and receiving, from the base station, data based on the information on the radio resources. The radio resources are associated with a plurality of symbols in a time domain and a plurality of resource block groups in a frequency domain.

Abstract: Disclosed is a method for manufacturing a cold-rolling strip steel (1) with the strength and hardness thereof varying in a thickness direction, the method comprising the steps: smelting, continuous casting, hot rolling, cold rolling, and continuous annealing. When quenching is performed in the continuous annealing step, an asymmetric quenching and cooling process is performed on both surfaces of the strip steel. In addition, also disclosed is a cold-rolling strip steel (1) with the strength and hardness thereof varying in a thickness direction, which is prepared by the above manufacturing method.

Abstract: The present disclosure relates to a 5th generation (5G) or pre-5G communication system for supporting a higher data transfer rate beyond a 4th generation (4G) communication system, such as long term evolution (LTE). The present disclosure provides a method and an apparatus for efficiently performing encoding and decoding of an information bit in a wireless communication system. The present disclosure relates to an operation method of a transmitting terminal in a wireless communication system, the method comprising the steps of: generating padding bits on the basis of information bits; generating an input bit sequence including the padding bits and the information bits; generating a message by encoding the input bit sequence by using a polar code; and transmitting the message.

Abstract: The present invention relates to: a communication technique for merging, with IoT technology, a 5G communication system for supporting a data transmission rate higher than that of a 4G system; and a system therefor. The present invention can be applied to intelligent services (for example, smart home, smart building, smart city, smart car or connected car, health care, digital education, retail, security and safety-related services, and the like) on the basis of 5G communication technology and IoT-related technology. In addition, the purpose of the present invention is to provide an operating method and device of a terminal and a base station, which are for transmitting uplink control information in a communication system.

Abstract: A communication method and system for converging a fifth generation (5G) communication system for supporting higher data rates beyond a fourth generation (4G) system with a technology for internet of things (IoT) are provided. The communication method and system 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. A method by a terminal for determining frequency resources in a cellular network is provided.

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.

Abstract: A low-cost and high-formability 1180 MPa grade cold-rolled annealed dual-phase steel plate and a manufacturing method thereof are provided. The dual-phase steel plate has the following chemical composition by mass percentages: C: 0.1%-0.125%, Si: 0.4%-0.8%, Mn: 2.6%-2.9%, Al: 0.01%-0.05%, Nb: 0.01%-0.03%, and Ti: 0.01%-0.03%, the remainder being Fe and unavoidable impurities. By reasonable design of alloy elements and manufacturing processes, the dual-phase steel plate of the invention achieves a strength of 1180 MPa grade at a low cost, obtains a fine and uniform martensite-ferrite dual-phase structure that ensures excellent elongation rate and cold bending performance, and has good formability. The dual-phase steel plate has a yield strength of more than 850 MPa, a tensile strength of more than 1180 MPa, an elongation rate of 8% or more, and a parameter (R/t), characterizing the 90-degree cold bending performance, of 2.5 or less.

Abstract: The present disclosure relates to a 5G or pre-5G communication system for supporting a higher data transfer rate beyond a 4G communication system such as LTE. A method for controlling a cell change by a first base station according to an embodiment of the present invention comprises the steps of: generating resource information used for communication between a terminal and a second base station, when the terminal performs a cell change from a first cell corresponding to the first base station to a second cell corresponding to the second base station; and transmitting the resource information to the terminal so that the terminal and the second base station perform a random access procedure.

Abstract: The present invention relates to: a communication technique for merging, with IoT technology, a 5G communication system for supporting a data transmission rate higher than that of a 4G system; and a system therefor. The present invention can be applied to intelligent services (for example, smart home, smart building, smart city, smart car or connected car, health care, digital education, retail, security and safety-related services, and the like) on the basis of 5G communication technology and IoT-related technology. In addition, the purpose of the present invention is to provide an operating method and device of a terminal and a base station, which are for transmitting uplink control information in a communication system.

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 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 method for obtaining numerology information by a user equipment (UE) includes detecting synchronization signals, obtaining first numerology information for the synchronization signals, decoding a physical broadcast channel (PBCH) based on the first numerology information, obtaining second numerology information for a physical downlink control channel (PDCCH) according to a result of the decoding, and receiving control information on the PDCCH based on the second numerology 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). According to various embodiments, an apparatus of a user equipment (UE) in a wireless environment comprises at least one transceiver; and at least one processor operably coupled to the at least one transceiver. The at least one transceiver is configured to receive a reference signal configuration comprising information for indicating whether a reference signal of a transmission and reception point (TRP) is transmitted through beam sweeping from the TRP, and receive the reference signal from the TRP based on the received reference signal configuration.

Abstract: The present disclosure relates to a 5G or a pre-5G communication system for supporting a higher data rate since 4G communication systems such as LTE. According to an embodiment of the present disclosure, a method for determining transmission power of a terminal, including: receiving a terminal-specific transmission power parameter from a base station, determining transmission power of the terminal based on the terminal-specific transmission power parameter and a subcarrier spacing allocated to the terminal, and transmitting an uplink signal based on the determined transmission power, and an apparatus performing the same may be provided.