Abstract: Provided is an electro-luminescent device (ELD) including a metal-insulator transition (MIT) layer. The ELD includes: a substrate; a EL phosphor layer positioned on the substrate and comprising luminescent center ions generating light; the MIT layer disposed on a surface of the EL phosphor layer and being abruptly changed from an insulator to a metal according to a variation of a voltage; a first insulator adhered to the MIT layer to distribute a voltage applied from an external source; and a second insulator disposed on the other side of the EL phosphor layer.

Abstract: A data communication system is provided. The data communication system includes a main processor, and at least one sub-processor or at least one peripheral device connected with the main processor according to a serial peripheral interface (SPI) method and performing an operation corresponding to a command transferred from the main processor. The connection according to the SPI method is made by one or more bus lines including a master in slave out (MISO) line and master out slave in (MOSI) line, a slave select (SS) line, an interrupt line, and a clock transfer line.

Abstract: An apparatus for estimating an angle of arrival includes: a plurality of direction synthesizing units shifting the phase of each of a plurality of signals received by an array antenna such that the angle of arrival of each of the received signals is changed by a predetermined change angle; and an estimation unit estimating the angle of arrival of the received signal by using radiation gains of two phase-shifted signals among the signals phase-shifted by the plurality of direction synthesizing units.

Abstract: There is provided a frequency synthesizer. The frequency synthesizer includes a frequency oscillator adjusting an output frequency according to a control bit; a programmable divider having a preset minimum division ratio, the programming divider dividing the output frequency of the frequency oscillator at a variable division ratio; a counter unit receiving an output signal of the programmable divider and a reference frequency to generate a count value by counting rising edges of the output signal of the programmable divider during one cycle of the reference frequency, and outputting a first hit signal when the count value is 1, and outputting a second hit signal when the count value is 2; and a phase detection unit outputting a control bit obtained by subtracting a fractional error of the output signal of the programmable divider from a fractional error at a locked phase obtained from the count value and the reference frequency.

Abstract: An advertising service control apparatus and method thereof. The advertising service control apparatus includes an intelligent switch to control packet data transmission/reception between a user terminal and a service server. The intelligent switch may be implemented to provide the user terminal with an advertisement which is found from the advertisement DB corresponding to advertising selection information. Accordingly, a network provider may obtain additional profit from advertising.

Abstract: A method and apparatus of detecting resource assignment information by a user equipment (UE) in a wireless communication system is provided. The UE detects a number of Assignment Advanced-MAP (A-A-MAP) groups and a number of a plurality of A-A-MAP Information Elements (IEs) included in each of the A-A-MAP groups, extracts type and flag of each of the plurality of A-A-MAP IEs; and performs blind detection of resource assignment information on the basis of the type and flag of each of the A-A-MAP IEs.

Abstract: A portable sensor apparatus allowing a mobile device to obtain biometric recognition data required for providing various services without changing the structure and size of the mobile device, and a biometric recognition-based service system having the same are provided. The portable sensor apparatus interworking with a mobile device through a short-distance wireless network includes: a sensor unit acquiring biometric recognition data; a short-distance wireless communications unit providing the biometric recognition data to the mobile device through the short-distance wireless network or receiving a request from the mobile device; a microprocessor commanding to acquire the biometric recognition data in response to a request from the mobile device or a user request; and a user interaction unit receiving the user request or displaying an operational state of the portable sensor apparatus.

Abstract: Provided are a software service supporting system and method to a plurality of clients using a software virtualization technology in a server-based computing environment. The present invention is configured to allow a server to execute software selected by a request of a client by using a resource of a client in a virtual environment, extract a GUI, a 3D graphic-intensive work, etc., as results according to software execution, and transmit the extracted result values to the client. Since the virtualization is implemented according to the driving of the software, the present invention can accommodate a larger number of clients at higher speed than the existing server-based computing and save the service introduction costs.

Abstract: An apparatus for inputting a user password, includes an interface receiving a command. Further, the apparatus for inputting the user password includes a control unit setting a target based on the command from the interface, receiving and storing a password character, and determining that authentication is successes only when the set target and the password character are positioned at a same coordinate on a skin image. Furthermore, the apparatus for inputting the user password includes a display unit connected to the interface to display the skin image of the interface that is transmitted from the control unit.

Abstract: Provided are a reception apparatus and transmission apparatus for supporting a scalable bandwidth in a carrier aggregation environment. The reception apparatus and transmission apparatus can link carrier aggregation technology and scalable bandwidth technology by supporting a scalable bandwidth having different bandwidths in size in a carrier aggregation environment, thereby enhancing compatibility between different wireless communication systems.

Abstract: Provided is a spread spectrum clock generating circuit. The spread spectrum clock generating circuit includes: a phase detector receiving a reference frequency signal from the external and detecting a phase difference between the reference frequency signal and a frequency-divided signal; a voltage controlled oscillator outputting an oscillation signal corresponding to a detection result of the phase detector; a main divider generating the frequency-divided signal by dividing a frequency of the oscillation signal by a main dividing ratio; and a dividing ratio controller generating a variable count value, generating a sub dividing ratio by performing delta-sigma modulation according to the count value, and adjusting the main dividing ratio according to the sub dividing ratio.

Abstract: Provided are a security information sharing apparatus capable of sharing security information among network domains and a method thereof.

Abstract: A method and apparatus for generating traffic generation is provided. The method for generating traffic may include: analyzing and modeling traffic generated between a server and a client and generating a packet and an inter-departure time (IDT) based on the analysis; and combining the generated packet with the generated inter-departure time by synchronization, storing the combined packet and inter-departure time in a memory, and transmitting the packet based on the inter-departure time. Therefore, it is possible to accurately model the traffic in various patterns using a method with low complexity, and thus it is possible to accurately test the server by a simpler method than the existing server testing methods.

Abstract: Disclosed herein is an apparatus and method for setting up multi-tenant. SaaS applications, which convert setup information for SaaS applications into metadata, manage the metadata, and dynamically generate and provide a relevant service based on the metadata at the request of a user. The apparatus for setting up multi-tenant SaaS applications includes an environment setup unit for receiving setup information required to set up service environments of SaaS applications and converting the setup information into metadata. A setup information management unit manages setup information for SaaS applications for respective tenants using the metadata converted by the environment setup unit. A service provision unit provides SaaS applications that have been set up in different environments for the respective tenants using the metadata managed by the setup information management unit.

Abstract: A signal processing technology for allowing a repeater to transmit a signal received from an external apparatus to a terminal is provided. In a satellite system, a signal transmitted from a satellite or transmitted to a satellite is subject to a low order modulation, and a terrestrial repeater performs a high order modulation on signals and retransmits the signals.

Abstract: A method of authoring experiential learning content includes displaying an authoring window to author the experiential learning content when a request is made to author the experiential learning content; and creating a virtual world by loading and arranging 3D objects and a 2D objects, in the authoring window, which corresponds to a scenario of the experiential learning content. Further, the method includes defining an Action-zone that determines a position where a user is merged in the virtual world; and defining a state by dividing the scenario into a plurality of steps as time goes by based on the scenario to play the experiential learning content from a specific time point, respectively. Furthermore, the method includes defining a processing routine of an event occurred in the state; and authoring the experiential learning content according to the defined Action-zone, the defined state, and the defined processing routine.

Abstract: Disclosed is an apparatus and method for transmitting/receiving data using a low-density parity check (LDPC) coding scheme in a communication system. The method includes generating a multi-user data packet containing data to be transmitted to a plurality of users, encoding the multi-user data packet as a BCC and an LDPC code, and transmitting the encoded multi-user data packet to the plurality of users. In the method, the encoding of the multi-user data packet encodes MPDU subframes corresponding to each of the plurality of users in the multi-user data packet as the LDPC code, and calculates information on a length in LDPC encoding, corresponding to the encoding of the multi-user data packet as the LDPC code.

Abstract: A flow transfer apparatus and method, which can make efficient use of limited resources in a wireless environment by dynamically mapping data flows to different transmission methods according to the characteristics of the flows, are provided. The flow transfer method includes analyzing an input packet stream to classify the input packet stream into a plurality of flows; dynamically determining a transmission method for each of the flows based on the characteristics of each of the flows; and transmitting the flows in parallel using their respective determined transmission methods.

Abstract: A system and method for data analysis and digital forensics is provided. The system for data analysis and digital forensics may include: an online data forensic server for collecting and analyzing usage history information from an object device, which is subject to data collection, downloading and collecting data on the Internet based on the usage history information, requesting issuance of a timestamp token for the collected data, and receiving the issued timestamp token; a timestamp token issuing server for issuing the timestamp token for the collected data in response to the request for issuance of the timestamp token and proving the issued timestamp token to the online data forensic server; and a storage device for storing the collected data.

Abstract: Disclosed herein is a non real-time broadcast receiving system. The system includes: a non real-time service decoder dividing received non real-time service content into a transmission block according to a protocol; a service content manager monitoring whether the receive of the non real-time service content stops and acknowledging a schedule regarding whether a portion with errors in the non real-time service content is retransmitted; a memory storing a portion without errors in the non real-time service content; a file checker checking whether errors are produced during the receive of the non real-time service contents and determining whether the portion with errors in the non real-time service content is retransmitted; a retransmission request signal generator generating a retransmission request signal; a return channel transmitter transmitting the retransmission request signal; and a return channel receiver receiving data corresponding the portion with error.