Abstract: Provided an electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same, the electrode including a current collector and a first active material layer disposed on the current collector and including a first active material, and a second active material layer disposed on the first active material layer and including a second active material, wherein a porosity of the first active material layer is 8% to 12% and a porosity of the second active material layer is 16% to 22%.

Abstract: The present disclosure relates to an isolated anti-FcRN antibody, which is an antibody binding to FcRN (stands for neonatal Fc receptor, also called FcRP, FcRB or Brambell receptor) that is a receptor with a high affinity for IgG or a fragment thereof, a method of preparing thereof, a composition for treating autoimmune disease, which comprises the antibody, and a method of treating and diagnosing autoimmunre diseases using the antibody. The FcRn-specific antibody according to the present disclosure binds to FcRn non-competitively with IgG to reduce serum pathogenic auto-antibody levels, and thus can be used for the treatment of autoimmune diseases.

Abstract: A filter for controlling a pH of purified water is disclosed. The pH-controlling filter according to an aspect of the present disclosure may include a water permeable filter having a hollow formed in a center of a cross-section from one end to the other end; a lower stopper closing a lower end of the water permeable filter, a filling unit inserted into the hollow of the water permeable filter to form an inner space, the filling unit having an inlet through which the purified water passing through the water permeable filter flows into the inner space and an outlet through which the purified water passing through the inner space flows out; and control particles filled in the inner space of the filling unit to adjust a pH of the purified water passing through the inner space of the filling unit and comprising OH group-generating particles configured to supplement the purified water passing through the inner space with OH groups.

Abstract: Provided are a method for preparing a polyetherketoneketone and a polyetherketoneketone prepared thereby, wherein, at the time of a polymerization reaction, nitrogen gas is blown into a liquid reaction medium while stirring, thereby quickly removing hydrochloric acid, which is a by-product generated during the reaction, and preventing aggregation of resin particles, thus suppressing the generation of scales.

Abstract: A method of manufacturing quantum dots includes placing nickel powder having a certain particle size, a precursor material, and an organic solvent into a container, maintaining a pressure in the container at a certain value, and synthesizing quantum dots by stirring the nickel powder, the precursor material, and the organic solvent in the container.

Abstract: A method for generating a data set relating to facial expressions is provided. The method includes the steps of: acquiring information on a user's facial expressions specified while the user takes a psychological test, and information on an analysis result of the psychological test associated with the information on the user's facial expressions; labeling the information on the user's facial expressions with reference to the information on the analysis result of the psychological test; and generating a data set containing the information on the user's facial expressions and information on the labeling.

Abstract: Proposed is a safety fence for vehicle protection, including prop members installed vertically on a ground to be spaced apart from each other at regular intervals, a horizontal member installed horizontally to be supported on the prop members, and a coupling member configured to couple the horizontal member to each of the prop members. The coupling member is coupled at a first side thereof to the horizontal member and coupled at a second side thereof to each of the prop members, a guide hole is formed in the second side to guide the horizontal member when it is displaced due to external shocks, and the second side is fixedly coupled to the prop member by a fixing pin that passes through the guide hole to be fixed to the prop member.

Abstract: Disclosed herein is a converter including a switching unit, an energy storage unit for storing energy from a direct current (DC) input voltage and then generating an output voltage according to a switching operation of the switching unit, and a switching controller for controlling the switching unit to selectively execute a first operation mode for turning on the switching unit at a fixed frequency or a second operation mode for turning on the switching unit when a voltage between one end and the other end of the switching unit reaches a zero point of a resonance waveform, wherein the switching controller includes an operation mode selection unit for selectively executing the first operation mode or the second operation mode according to whether the voltage between one end and the other end of the switching unit resonates.

Abstract: Disclosed herein is a converter including a switching unit, an energy storage unit for storing energy from a direct current (DC) input voltage and then generating an output voltage according to a switching operation of the switching unit, and a switching controller for controlling the switching unit to selectively execute a first operation mode for turning on the switching unit at a fixed frequency or a second operation mode for turning on the switching unit when a voltage between one end and the other end of the switching unit reaches a zero point of a resonance waveform, wherein the switching controller includes an operation mode selection unit for selectively executing the first operation mode or the second operation mode according to whether the voltage between one end and the other end of the switching unit resonates.

Abstract: A converter includes a switching unit; an energy storage unit storing energy from DC input power and then generating an output voltage, depending on a switching operation of the switching unit; and a switching control unit turning on the switching unit when a voltage between one terminal and the other terminal of the switching unit reaches a lowest point of a resonance waveform. The switching control unit includes a voltage detection unit detecting the voltage between the one terminal and the other terminal at the time of the resonance waveform; a first signal output unit outputting a first signal when the voltage detected by the voltage detection unit reaches a change point of a slope corresponding to the lowest point of the resonance waveform; and a switching driving unit turning on the switching unit in response to the first signal.

Abstract: An off signal generator may be capable of supplying a uniform current. The off signal generator may comprise an off signal generation unit outputting an off signal in response to a first signal and blocking the off signal from being output in response to a second signal, and a signal control unit generating the second signal at a preset time interval and transferring the generated second signal to the off signal generation unit.

Abstract: An authentication method is provided in which a first portable device generates and transmits a first random number and a first timestamp to a first USIM in the first portable device; the first USIM calculates a first sign for the first portable device; the first portable device requests authentication for authenticated communication from a second portable device through transmission of the first random number, the first timestamp, and the first sign to the second portable device; the second portable device generates a second random number and a second timestamp and transmits the information to a second USIM in the second portable device; the second USIM generates a second sign for the second portable device and a second personal key which the second portable device transmits to the first portable device; the first portable device then transmits the information to the first USIM which generates a first personal key for authenticated communication.

Abstract: A system and method for retransmitting an encoding block in a communication system is provided.

Abstract: A broadband wireless communication system is provided. An apparatus for a Base Station (BS) comprises a controller for determining whether to accept an entry of a mobile terminal (MT) by handover from an adjacent BS, a handler for generating a message to get an L2 switch to update a Media Access Control (MAC) table, and a communicator for transmitting the message to the L2 switch.

Abstract: An authentication method is provided in which a first portable device generates and transmits a first random number and a first timestamp to a first USIM in the first portable device; the first USIM calculates a first sign for the first portable device; the first portable device requests authentication for authenticated communication from a second portable device through transmission of the first random number, the first timestamp, and the first sign to the second portable device; the second portable device generates a second random number and a second timestamp and transmits the information to a second USIM in the second portable device; the second USIM generates a second sign for the second portable device and a second personal key which the second portable device transmits to the first portable device; the first portable device then transmits the information to the first USIM which generates a first personal key for authenticated communication.

Abstract: A handover method in a wireless communication system is provided, in which upon receipt of a handover request message requesting a handover from a mobile station, a serving base station transmits a handover notify message to a target base station indicated by the handover request message, receives a handover notify ACK message from the target base station, determines from the handover notify ACK message whether the target base station has accepted the handover of the mobile station, generates a handover response message indicating whether the handover of the mobile station has been accepted, transmits the handover response message to the mobile station, and terminates communications with the mobile station, upon receipt of a handover complete message from the target base station.

Abstract: Provided is an apparatus and method for processing data in a wireless network. The method includes receiving packet data transmitted in a downlink transmission interval, determining whether a current state is one in which processing of the packet data is possible; and if processing of the packet data is not possible, writing a pause bit for requesting hold of packet data transmission in a reserved bit of a Medium Access Control (MAC) header before transmission.

Abstract: A method for detecting and decoding a signal in a communication system based on Multiple-Input Multiple-Output (MIMO)-Orthogonal Frequency Division Multiplexing (OFDM). A signal is received through multiple receive antennas. A decision error occurring at a symbol decision time is considered and a symbol is detected from transmitted symbols. Original data transmitted from the detected symbol is recovered. The performance of a coded bit system can be significantly improved using a new equalization matrix G considering a decision error.

Abstract: There is provided a channel card for extending the coverage area of a base station, which controls GPS reference signals provided to base station modems to extend the coverage area by up to four times a general base station coverage area.

Abstract: In the multi-sector base station apparatus of a mobile communication system, capable of realizing a six-sector base station apparatus by using a three-sector base station MODEM, a peripheral equipment controlling unit transfers a sector conversion control signal outputted from a CPU for controlling a sector switching of the base station, to a sector conversion controlling unit, and the sector conversion controlling unit generates a plural number of control signals for a sector conversion according to the inputted control signal and sector conversion data, and by this control signal, a sector converting unit performs a switching between sectors of a transmission signal from a base station MODEM and a reception signal transmitted from a mobile station, whereby the six-sector base station is realized through a use of the three-sector base station base station MODEM.