Abstract: An apparatus and method for determining a network delay and scheduling a service based on the delay are provided. The method includes determining information about a first time at which data is transmitted, determining information about a second time at which the data is received, determining a time delay using the first time and the second time, and scheduling a service based on the time delay. Because scheduling of service is based on a determined time delay, radio resources are more efficiently used.

Abstract: Provided are a synchronizing apparatus and method for performing synchronization in a packet network. The synchronizing apparatus includes a sampling unit to measure a time difference using a plurality of time stamps included in a plurality of two-way message packets, an estimating unit to estimate a frequency offset by applying a baseline algorithm to the time difference, a verifying unit to verify the frequency offset to remove an error caused by network delay variation, and a synchronizing unit to remove the frequency offset from a local slave clock signal and generate a slave clock signal synchronized to a clock signal of a master device.

Abstract: Disclosed herein is a radio frequency (RF) repeater comprising an analog signal processing unit and a digital signal processing unit, wherein the analog signal processing unit includes a filtering unit; an amplification unit on receiving side; a frequency conversion unit on receiving side; a frequency conversion unit on transmitting side; and an amplification unit on transmitting side, and the digital signal processing unit includes a receiving signal detection unit; the automatic gain control unit; a feedback signal detection unit; a feedback signal combining unit; a feedback signal elimination unit; an automatic delay control unit; and the control unit. According to the RF repeater and repeating method, installation cost is reduced, limitations in output magnitude and installation are overcome, and ensuring high output power characteristics.

Abstract: An apparatus and system for separating remaining powder of hulls includes a first remaining powder separating unit to be supplied with hulls of a spent nuclear fuel subjected to a high-temperature oxidation, and to include a first brush for separating remaining powder of the hulls; a hull alignment unit to be supplied with the hulls from the first remaining powder separating unit, and to align the hulls; a second remaining powder separating unit to be supplied with the aligned hulls from the hull alignment unit, and to include a second brush for separating remaining powder adhered on an inner peripheral surface of the hulls; and a third remaining powder separating unit to be supplied with the hulls from the second remaining powder separating unit, and to separate the remaining powder remaining on the inner/outer peripheral surface of the hulls by using air.

Abstract: A device for processing information and the working method of the same are provided. The device for processing information comprises: a memory in which logic for driving a firmware is stored; a connector for connecting the memory to an external device; and a control unit for providing an interface with a host, for communicating with the host through the connector, and for reading and recording data on the memory. The control unit comprises: a first storing device in which a routine for calling the firmware logic stored in the memory is stored; and a processor for executing the firmware logic, stored in the memory, using the routine stored in the first storing device.

Abstract: A system applicable to a bridge transporter telescopic servomanipulator, is provided. The bridge transporter telescopic servomanipulator is used for performing operation and maintenance of process equipments in a working environment having a possibility of radiation exposure. The system can be coupled/decoupled by including a coupling device in a telescopic transfer device and a servomanipulator, and can manipulate an ascending/descending device of the servomanipulator in a remote area without direct access by a worker. The coupling/decoupling device includes a first coupling plate and a second coupling plate, the first coupling plate being provided on a lower portion of the telescopic transfer device, and the second coupling plate being provided on an upper portion of the servomanipulator.

Abstract: A power distribution apparatus is provided. The apparatus may include a modulated block type power distribution apparatus capable of reducing a space by consequently connecting a main breaker to a sub breaker as a block not to form a gap while installing. The apparatus may include a multifunctional block type power distribution apparatus capable of easily connecting breakers with one another, the breaker having different height, by additionally installing a height controller able to control a height of a branch breaker on the apparatus manufactured in one mold and preventing wrong coupling while connecting a plurality of branch breakers with one another. The apparatus may include a preassembled power distribution apparatus capable of increasing coherence between terminals while coupling a main breaker terminal, a branch breaker terminal, and an additional breaker terminal, forming the preassembled power distribution apparatus, with various terminals of another preassembled power distribution apparatus.

Abstract: A Radio Resource Control (RRC) message transmission method and apparatus for a wireless communication system operating in TTI and acknowledge mode is configured to reduce interruption time by minimizing retransmission times of RRC message. The message transmission method for a wireless communication system includes generating, at a transmitter, a message; transmitting the message two or more times consecutively from the transmitter to a receiver; analyzing, at a receiver, the message transmitted by the transmitter; transmitting an acknowledge message or a negative-acknowledge from the receiver to the transmitter depending on the analysis result; and terminating, at the transmitter, a retransmission process of the message upon receipt of the acknowledgement message.

Abstract: A device for processing information and the working method of the same are provided. The device for processing information comprises: a memory in which logic for driving a firmware is stored; a connector for connecting the memory to an external device; and a control unit for providing an interface with a host, for communicating with the host through the connector, and for reading and recording data on the memory. The control unit comprises: a first storing device in which a routine for calling the firmware logic stored in the memory is stored; and a processor for executing the firmware logic, stored in the memory, using the routine stored in the first storing device.

Abstract: Provided are a guaranteed services method and apparatus in bridged LAN. streams are transmitted through bridges to a plurality of listener stations in a distributed network, and each bridge performs filtering, stream group registration and authentication for the streams. Accordingly, quality of service (QoS) in a distributed network can be improved. Furthermore, streams to the plurality of listener stations can be guaranteed.

Abstract: Provided are a synchronizing apparatus and method for performing synchronization in a packet network. The synchronizing apparatus includes a sampling unit to measure a time difference using a plurality of time stamps included in a plurality of two-way message packets, an estimating unit to estimate a frequency offset by applying a baseline algorithm to the time difference, a verifying unit to verify the frequency offset to remove an error caused by network delay variation, and a synchronizing unit to remove the frequency offset from a local slave clock signal and generate a slave clock signal synchronized to a clock signal of a master device.

Abstract: Disclosed herein is a radio frequency (RF) repeater comprising an analog signal processing unit and a digital signal processing unit, wherein the analog signal processing unit includes a filtering unit; an amplification unit on receiving side; a frequency conversion unit on receiving side; a frequency conversion unit on transmitting side; and an amplification unit on transmitting side, and the digital signal processing unit includes a receiving signal detection unit; the automatic gain control unit; a feedback signal detection unit; a feedback signal combining unit; a feedback signal elimination unit; an automatic delay control unit; and the control unit. According to the RF repeater and repeating method, installation cost is reduced, limitations in output magnitude and installation are overcome, and ensuring high output power characteristics.

Abstract: Provided are an apparatus for and a method of analyzing a network, for example, an asymmetric network having a plurality of links, and a wireless device for use in the network. A method of analyzing a network having a plurality of links includes performing one or more operations of sampling a packet interval between two packets transmitted consecutively, and analyzing configuration of the plurality of links included in the network based on the one or more sampled packet intervals.

Abstract: An apparatus for distributing data traffic in heterogeneous wireless networks is provided. A terminal for transmitting data to a plurality of wireless networks, includes a transmission rule storing unit to store a data transmission rule with respect to the plurality of wireless networks, a data dividing unit to divide first data into a plurality of first data groups based on the stored data transmission rule, a transmission network selecting unit to select an individual transmission network for each divided data group from the plurality of wireless networks based on the determined data transmission rule, and a network access unit to transmit each data group to the selected transmission network.

Abstract: The present invention discloses a cable-driven manipulator comprising an operating unit having a drive motor, and a pulley rotated by the drive motor. An upper arm is coupled, through a joint, to one side of the operating unit. A forearm coupled, through a joint, to the other side of the upper arm by the cable. A gripper of an end effector operably coupled to the forearm, a cable compensation device is installed between the upper arm and the forearm so as to maintain constant the length of the cable that transmits the power of the operating unit to the end effector during the pivoting of the forearm. It is thus possible to prevent the variation of tensile force due to the variation of the length of the cable for operating the end effector during the pivoting of the forearm or the unintended malfunction of the end effector.

Abstract: Provided are a network system supporting a spanning tree protocol (STP), a relay apparatus thereof, and a method of creating a spanning tree. Proposed is a method of creating a tree topology, between AVB bridges, using a STP message including a group MAC address which is different from that used in a non-AVB (Audio Video Bridging) bridge (that is, a bridge without the function of AVB), in order to form a minimum number of AVB clouds. Therefore, it is possible to efficiently ensure transmission quality of a multimedia stream such as an AVB stream.

Abstract: A device for processing information and the working method of the same are provided. The device for processing information comprises: a memory in which logic for driving a firmware is stored; a connector for connecting the memory to an external device; and a control unit for providing an interface with a host, for communicating with the host through the connector, and for reading and recording data on the memory. The control unit comprises: a first storing device in which a routine for calling the firmware logic stored in the memory is stored; and a processor for executing the firmware logic, stored in the memory, using the routine stored in the first storing device.

Abstract: Provided is a pharmaceutical composition for preventing and treating chronic graft-versus-host disease (cGVHD) containing an anti-CD137 monoclonal antibody. The pharmaceutical composition containing the anti-CD137 monoclonal antibody as an active component reduces a cytokine produced from a CD4+ T cell, and increases a death of a donor CD4+ T cell, thereby effectively preventing and treating cGVHD, and thus can be useful for allogeneic stem cell transplantation.

Abstract: A system applicable to a bridge transporter telescopic servomanipulator, is provided. The bridge transporter telescopic servomanipulator is used for performing operation and maintenance of process equipments in a working environment having a possibility of radiation exposure. The system can be coupled/decoupled by including a coupling device in a telescopic transfer device and a servomanipulator, and can manipulate an ascending/descending device of the servomanipulator in a remote area without direct access by a worker. The coupling/decoupling device includes a first coupling plate and a second coupling plate, the first coupling plate being provided on a lower portion of the telescopic transfer device, and the second coupling plate being provided on an upper portion of the servomanipulator.

Abstract: Provided are a guaranteed services method and apparatus in bridged LAN. streams are transmitted through bridges to a plurality of listener stations in a distributed network, and each bridge performs filtering, stream group registration and authentication for the streams. Accordingly, quality of service (QoS) in a distributed network can be improved. Furthermore, streams to the plurality of listener stations can be guaranteed.