Abstract: User/service authentication methods and apparatuses using split user authentication keys are provided. A user authentication key is generated using user's personal information including an identification number and bio information, the generated user authentication key is split into a plurality of keys, and a request for authentication of a user that uses a first user authentication key provided to the user from among the plurality of split user authentication keys is authenticated using the other user authentication keys.

Abstract: A security middleware for controlling service access in ubiquitous environments and a method thereby are provided. The security middleware includes: a service discovery manager discovering services needed for an application; a RBAC UA manager determining services accessible by a role of which a user of the application is assigned to a member, among the discovered services; and a RBAC session manager connecting a session for the services accessible by the role. Therefore, controlling service access may be achieved.

Abstract: Disclosed is a hook coupling structure and a case using the same. The hook coupling structure for coupling first and second components 20 and 30 to each other includes a latching protrusion 28 protruding from a surface of one of the first and second components 20 and 30 and a hook 32 protruding from the other of the first and second components 20 and 30, a leading end of the hook 32 engaging with the latching protrusion 28 in a lateral direction relative to a protruding direction of the latching protrusion 28. The hook 32 has a planar overall shape, and the leading end has a latching step 33 formed on its lateral surface so as to engage with the latching protrusion. When the hook coupling structure is used for a case, the inner space defined by components, which are coupled to each other by the hook, increases. This renders the exterior of the case light, slim, and compact.

Abstract: An apparatus and method for adaptively preventing attacks which can reduce false positives and negatives for abnormal traffic and can adaptively deal with unknown attacks are provided. The apparatus includes: a behavior analysis unit which estimates an attack detection critical value by analyzing the behavior of network traffic; a traffic determination unit which determines what type of traffic the network traffic is using the estimated attack detection critical value; an attack determination unit which determines whether the network traffic is abnormal by analyzing the network traffic according to a set of determination rules; and an adaptive attack prevention unit which handles the network traffic based on the determination results provided by the attack determination unit. Accordingly, it is possible to reduce false positives and negatives for abnormal traffic or unknown attacks input to a network.

Abstract: An OFDM based multiple access system provides strong persistence against selective frequency fading and further provides suppression of inter-cell interference by using cell differentiating scrambling codes. Thus, the OFDM system maximizes frequency reuse rate. The present invention includes an OFDM modulator frequency-division-multiplexing data to be transmitted, a code division unit multiplexing the frequency-division-multiplexed data with a prescribed code, and an RF end converting the data multiplexed by the code division unit to a radio frequency signal to transmit. Accordingly, the present invention raises the degree of freedom (frequency division, time division, code division) of system implementation in the multiple access system. The OFDM system includes the scrambling of the downlink data by different scrambling codes by a cell unit for base stations within at least two neighboring cells to identify the respective cells and transmitting the spread downlink data.

Abstract: A CMOS image sensor and fabricating method thereof are disclosed, by which a light condensing effect is enhanced by providing an inner microlens to a semiconductor substrate. The present invention includes a plurality of photodiodes on a semiconductor substrate, a plurality of inner microlenses on a plurality of the photodiodes, an insulating interlayer on a plurality of the inner microlenses, a plurality of metal lines within the insulating interlayer, a device protecting layer on the insulating interlayer, and a plurality of microlenses on the device protecting layer.

Abstract: The provided method and system is a method and system for analyzing the malicious code protocol and generating harmful traffic. The harmful traffic generating method constructs packet protocol information for generating a first attack packet corresponding to the TCP/IP protocol for generating network traffic, and then sets network vulnerability scanning for generating a second attack packet for carrying out network vulnerability scanning. Subsequently, the method constructs attack information for generating a third attack packet in the form of denial of service, and generates harmful traffic using the packet protocol information, network vulnerability scanning and attack information. Accordingly, performance testing of the network security system against malicious code attacks such as the Internet worm can be performed.

Abstract: An apparatus and method for controlling abnormal traffic are provided.

Abstract: A network simulation apparatus and method for analyzing abnormal network traffic are provided. The network simulation apparatus includes: a traffic information collection unit, which collects traffic information in real time from a network; a simulator, which performs a simulation operation in a virtual network topology environment according to a predetermined scenario, the virtual network topology environment generating virtual traffic including a normal virtual packet modeled based on a normal traffic environment and an abnormal virtual packet modeled based on an abnormal traffic environment with a network traffic attack launched thereupon based on the collected real-time traffic information; and an interface unit, which provides the simulation operation results to a user. Accordingly, it is possible to effectively detect, analyze, and deal with abnormal network traffic that has occurred in a network to be managed.

Abstract: There is provided a diffuser for implementing a diffusing process in an equipment for manufacturing semiconductor devices to increase or maximize its productivity. The diffuser comprises a reaction pipe; a plate joined to the underside of the reaction pipe for sealing the reaction pipe and defining a work space therewithin. A plurality of wafers are disposed within the work space. A gas injection tube is provided for supplying a reactive gas to the work space. A plurality of plasma electrodes are disposed adjacent to the gas injection tube for applying high frequency power to a reactive gas to induce a plasma reaction.

Abstract: A method of transmitting a data packet based on a transport format combination set (TFCS) using a hybrid automatic repeat request (HARQ) is disclosed. In the method, a user equipment (UE) receives a TFCS from a base station (BS) to select a transport format combination (TFC) for retransmitting a data packet and selects from the TFCS a TFC which corresponds to a maximum transmission power by which the data packet is retransmitted. Thereafter, the UE retransmits the data packet using the TFC of an initial transmission and a transmission power that corresponds to the TFC with the maximum transmission power of the TFCS.

Abstract: A method of encoding and transmitting at least one short length data in a wireless communication system is disclosed. More specifically, a user equipment (UE) attaches at least one error detection code to the at least one short length data. Thereafter, the UE encodes for error correction the short length data and the attached error detection code using at least one block encoder. Here the short length data and the attached error detection code are independently encoded. Lastly, the UE transmits the encoded short length data and the encoded error detection code.

Abstract: A method of controlling uplink transmission power to reduce interference in a wireless communication system comprises establishing an uplink communication through an uplink dedicated channel between a user equipment and a base station, wherein the base station is operationally connected to a radio network controller. The method also comprises receiving a scheduling command from the base station for controlling transmission power of the user equipment, wherein the scheduling command is determined from scheduling information comprising transmission power information received from the radio network controller, the transmission power information being determined in response to information associated with at least one user equipment that is in soft handover relationship with another base station. The method also comprises controlling uplink data transmission in response to the scheduling command.

Abstract: A method of controlling uplink transmission of a user equipment in a soft handover mode in a wireless communication system comprises communicating with a first network and a second network, at a first transmission mode comprising a first transmission power level and a first data rate. The method also comprises receiving a first change command from the second network to change the first transmission mode to a second transmission mode, wherein the second transmission mode comprises a second transmission power level and a second data rate. The method also comprises entering the second transmission mode. The method also comprises maintaining the second transmission mode for a predetermined time period regardless of a second change command from the first network to increase at least one of transmission power level and data rate of the user equipment.

Abstract: Transmitting an acknowledgement/negative acknowledgement (ACK/NACK) signal in association with a packet transmitted on an uplink is disclosed. The method includes the steps of receiving a packet transmitted from a user equipment, decoding the packet, and determining whether the packet has been successfully decoded, transmitting an ACK signal or a NACK signal, based on the decoding result. Different transmission powers are allocated for the ACK signal and the NACK signal. Alternatively, the transmission power for the NACK signal selectively has an OFF level. The present invention optimizes the transmission powers for downlink ACK/NACK signals in accordance with the required reception quality of each of the ACK/NACK signals, and thus, enables the system to operate efficiently.

Abstract: A device for an Internet-worm treatment and a system patch using a movable storage unit is provided.

Abstract: A method of transmitting a scheduling command during handover is disclosed. More specifically, the scheduling command is transmitted to a user equipment from a base station having a plurality of cells. In operation, the base station composes the scheduling command and transmits the scheduling command to the user equipment via at least one of the plurality of cells.

Abstract: A method of scheduling for an Enhanced Dedicated Channel (E-DCH) in a user equipment (UE) is disclosed. More specifically, a method of receiving an information indicating an allowable transmit power range from a base station and updating a group of Transport Format Combinations (TFCs) allowed by the base station by selecting the TFCs that can be used within the allowable transmit power range. Furthermore, the method comprises transmitting the E-DCH by at least one TFC selected from the group of TFCs.

Abstract: Disclosed herein is a small particle oxide powder for dielectrics. The oxide powder has a perovskite structure, an average particle diameter [D50(?m)] of 0.3 ?m or less, a particle size distribution of the average particle diameter within 3%, a particle size distribution satisfying a condition D99/D50<2.5, a content of OH? groups of 0.2 wt % and a C/A axial ratio of 1.006 or more. A method of manufacturing the oxide powder comprises the steps of mixing TiO2 particles and a compound solved with at least one element represented by A of the perovskite structure of ABO3; drying and pulverizing the mixture of TiO2 and the compound; calcining the pulverized mixture; adding the oxide containing the elements of the site A to the coated TiO2 particles and wet-mixing, drying and pulverizing; primarily calcining and pulverizing the pulverized powder under vacuum; and secondarily calcining and pulverizing the powder.

Abstract: A method and system for transmitting and receiving data using a plurality of antennas are disclosed. The method of transmitting includes the steps of receiving feedback information from a receiving end, the feedback information including group selection information and weight values for the plurality of antennas, grouping the plurality of antennas into a plurality of antenna groups based on the group selection information included in the feedback information, and transmitting, to a receiving end, a plurality of data streams through the plurality of antenna groups, respectively, based on the weight values.