Abstract: A method of a first terminal may include: identifying first RB set(s) to be used for SL communication among consecutive RB sets through an LBT procedure; identifying a first subchannel group included in the first RB set(s) and a second subchannel group including a first PRB in the first RB set(s), the first PRB being not included in the first subchannel group; configuring the first PRB within the second subchannel group as an SL communication resource; and transmitting, to a second terminal, control information indicating that the first PRB is configured as the SL communication resource.

Abstract: A method of a transmitting terminal may include: determining a beam candidate set including two or more beams usable for sidelink communication with a receiving terminal from among a plurality of beams that can be beam-formed; determining a resource set for each beam within the beam candidate set through resource sensing, such that the resource set has candidate resources equal to or greater than a predetermined number of candidate resources; selecting a beam and a resource to be used for sidelink communication with the receiving terminal based on the beam candidate set and the resource set; and transmitting sidelink data to the receiving terminal using the selected beam and the selected resource.

Abstract: It is an object of the present invention to provide a filter having excellent filtration rate and excellent permeability and a method for producing the same. To achieve the above object, the present invention provides a filter comprising a porous metal support having the first pore size; and a metal coating layer formed on the support and having the second pore size smaller than the first pore size, wherein the coating layer has a three-dimensional pore structure by bonding flake-shaped metal powders. The present invention also provides a method for producing the filter. According to the present invention, as the flake-shaped second powders form a coating layer, the porosity increases and the permeability increases, and as the flow channel becomes more complicated, the filtration rate also increases.

Abstract: A communication method of a base station may include: configuring a first band as a communication band from an entire carrier frequency band of the base station, the entire carrier frequency band including the first band and a second band; transmitting a synchronization signal in the first band by beamforming in one of both directions of a moving path of a transportation means; communicating with a terminal by beamforming in a same direction as the synchronization signal in the first band; and transmitting a synchronization signal in the second band by beamforming in the same direction as the synchronization signal in the first band.

Abstract: A method of handling an identifier conflict in a relay communication access service comprises receiving a relay communication request message from a remote terminal, obtaining an identifier of the remote terminal from the relay communication request message, assigning preliminary identifiers for identifier conflict handling based on the identifier of the remote terminal, and transmitting a relay communication response message including preliminary identifier information for the assigned preliminary identifiers to the remote terminal.

Abstract: An operation method of a relay terminal in a communication system may comprise: calculating a first available resource amount of a communication service through a base station; calculating a required resource amount for the relay terminal; generating a relay terminal identifier reflecting the first available resource amount and the required resource amount, and providing the relay terminal identifier to a remote terminal; and providing a relay service to the remote terminal when a request for the relay service is received from the remote terminal.

Abstract: It is an object of the present invention to provide a filter having excellent filtration rate and excellent permeability and a method for producing the same. To achieve the above object, the present invention provides a filter comprising a porous metal support having the first pore size; and a metal coating layer formed on the support and having the second pore size smaller than the first pore size, wherein the coating layer has a three-dimensional pore structure by bonding flake-shaped metal powders. The present invention also provides a method for producing the filter. According to the present invention, as the flake-shaped second powders form a coating layer, the porosity increases and the permeability increases, and as the flow channel becomes more complicated, the filtration rate also increases.

Abstract: The present invention relates to a cathode current collector for a solid oxide fuel cell and, more particularly, to a cathode current collector inserted between a cell and a metal separator constituting a unit of a fuel cell stack, and a solid oxide fuel cell comprising the same.

Abstract: Various exemplary embodiments of the present invention relate to a base station apparatus including: an information receiving module which receives information used for scheduling from a plurality of terminals corresponding to the base station apparatus; and a scheduler which generates resource allocation information for one shared FA among a plurality of FAs which is available in the base station apparatus based on the received information and applies the generated resource allocation information to at least one other shared FA.

Abstract: The present disclosure relates to an apparatus and a method for an adaptive transmission processing according to a transmission delay. The apparatus includes: a weight setting unit configured to set a transmission delay weight value for adjusting the transmission delay of a transmission packet according to a channel state, when transmitting the transmission packet to a destination node; a delay setting unit configured to set a unit transmission delay value for the transmission packet to be transmitted to the destination node, and to set a packet transmission delay value by applying the transmission delay weight value to the unit transmission delay value; and a controller configured to process to transmit the transmission packet to the destination node based on the packet transmission delay value, and to stop transmission of the transmission packet when a transmission number of the transmission packet reaches a predefined maximum number of transmission.

Abstract: An exemplary embodiment of the present invention provides an electrostatic metal porous body forming apparatus including: a transfer module transferring a porous body substrate; and a coating module coating a metal powder on the porous body substrate, wherein the transfer module includes a substrate supporter fixing the porous body substrate while the porous body substrate is transferred, and wherein the coating module includes: an electrifier including a first electrode electrifying the metal powder, a second electrode facing the first electrode, a first power supplier connected with the first electrode supplying electricity to the first electrode, and a second power supplier connected with the second electrode supplying electricity electrified with an opposite charge to a charge caused by the electrification of the first electrode to the second electrode, and generating a pulse type of voltage; and a metal powder supplier including a metal powder vessel storing the metal powder therein and supplying the met

Abstract: The present invention relates to a cathode current collector for a solid oxide fuel cell and, more particularly, to a cathode current collector inserted between a cell and a metal separator constituting a unit of a fuel cell stack, and a solid oxide fuel cell comprising the same.

Abstract: Various exemplary embodiments of the present invention relate to a base station apparatus including: an information receiving module which receives information used for scheduling from a plurality of terminals corresponding to the base station apparatus; and a scheduler which generates resource allocation information for one shared FA among a plurality of FAs which is available in the base station apparatus based on the received information and applies the generated resource allocation information to at least one other shared FA.

Abstract: A method of manufacturing a metal foam stack is provided. According to the present invention, the method includes: a metal foam sheet preparing step of preparing a plurality of metal foam sheets having a predetermined size and shape; a slurry application step of applying a slurry on a surface of the metal foam sheet; a metal foam stack forming step of forming the metal foam stack by stacking the metal foam sheets in a block form; a pressing force application step of applying pressing force having a predetermined magnitude to the metal foam stack; a pressing force removing step of removing pressing force applied to the metal foam stack after the pressing force application step is performed; and a heat treatment step of performing heat treatment of the metal foam stack to strongly attach the metal foam sheets to each other after pressing force applied to the metal foam stack is removed in the pressing force removing step.

Abstract: A method of reliable radio communication network duplication for a high speed train and a radio communication-based high speed train control system are provided. For the construction of radio communication network duplication of a high speed train control system, radio communication networks can be alternately disposed so that handover delay and disconnection at the interface between communication cells can be prevented during the handover at the same time.

Abstract: A global positioning system (GPS) transmitter includes: an interface unit configured to receive user additional information from an additional information providing device; a location information providing unit configured to manage preset location information or location information set by a user; and a transmitting unit configured to generate a GPS-tag frame by combining the user additional information and the location information from the location information providing unit based on a plurality of pseudo random noise (PRN) codes, and transmit the generated GPS-tag frame to a service area.

Abstract: A pseudo-satellite for transmitting a magnitude-controlled navigation signal in a GNSS includes: an interface unit configured to receive a unique identifier of a pseudo-satellite; a signal transmission unit configured to transmit a navigation signal for location positioning in the GNSS; and a control unit configured to control the magnitude of the navigation signal transmitted by the signal transmission unit, using an envelope having a period which is determined according to the unique identifier of the pseudo-satellite, received through the interface unit.

Abstract: A method of reliable radio communication network duplication for a high speed train and a radio communication-based high speed train control system are provided. For the construction of radio communication network duplication of a high speed train control system, radio communication networks can be alternately disposed so that handover delay and disconnection at the interface between communication cells can be prevented during the handover at the same time.

Abstract: The present invention relates to a data processing method and system for checking an interactive communication sequence (ICS) relating to a plurality of users in a communication record by using a variable time window, and checking an interactive communication sequence pattern (ICSP) that is a frequently generated interactive communication sequence from among the checked interactive communication sequences.

Abstract: The present invention relates to a deep packet inspection method and device of a wireless communication system. The deep packet inspection method includes: receiving a first deep packet inspection result for a packet of a terminal from a first subnet before a handover when the handover occurs; receiving a second deep packet inspection result for the packet of the terminal from a second subnet after the handover; and coordinating the first deep packet inspection result and the second deep packet inspection result when the handover occurs.