ELECTRONICS TELECOMMUNICATIONS RESEARCH INSTITUTE Patent applications |
Patent application number | Title | Published |
20150229503 | METHOD FOR GENERATING SIGNAL IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS THEREFOR - A method of generating a signal in a wireless communication system and an apparatus for the same are disclosed. A method of generating a transmission signal, performed in a transmission apparatus, comprises generating a first sequence having a convex/concave signal pattern; generating a second sequence meeting a predetermined auto and cross correlation property; and generating a transmission signal based on the first sequence and the second sequence. Thus, a transmission signal immune to a frequency offset can be generated. | 08-13-2015 |
20150229495 | APPARATUS AND METHOD FOR GENERATING DIFFERENTIAL SIGNAL, AND TRANSMISSION APPARATUS AND METHOD HAVING THE SAME - Disclosed is a technique for a transmission apparatus. A method of generating a differential signal includes adding a predetermined offset to an envelope signal to generate a first signal having the same magnitude as the envelope signal with respect to 0, scaling the first signal at a predetermined rate to generate a second signal, changing a sign of the second signal to generate a third signal that is an inverted signal of the second signal, and forming a differential signal using the second signal and the third signal. | 08-13-2015 |
20150229344 | HIGH FREQUENCY TRANSCEIVER - There is provided a high frequency transceiver appropriate for ultra low power and high frequency characteristics. The high frequency transmitting device includes a voltage controlled oscillator configured to provide an oscillation signal; and a power amplifier configured to multiply the oscillation signal by an integer to generate a carrier signal, mix the carrier signal and a baseband signal to generate a mixed signal, and amplify power of the mixed signal. | 08-13-2015 |
20150228807 | VERTICAL PIN DIODE - Disclosed is a vertical positive-intrinsic-negative (PIN) diode. The vertical PIN diode includes an intrinsic layer, an N-type layer located on a first surface of the intrinsic layer, a P-type layer located on a second surface of the intrinsic layer, wherein the second surface is opposite to the first surface, a connection layer formed to extend to the first surface from the P-type layer, a first electrode located on the N-type layer, and a second electrode located in the connection area formed on the first surface. Thus, plasma can be easily generated. | 08-13-2015 |
20150214621 | MULTI-BAND PLASMA LOOP ANTENNA - Disclosed is a multi-band plasma loop antenna that may reduce radio interference and provide multiple bands. First, the multi-band plasma loop antenna includes an antenna element including a plurality of plasma loop patterns; a plasma activation controller configured to activate a specific plasma loop pattern among the plurality of plasma loop patterns based on an input signal; and at least one RF feed configured to apply an RF signal to the antenna element. Accordingly, a selective multi-frequency band antenna may be easily implemented, and interference between loops may be minimized. In addition, antenna radiation efficiency may be increased by taking a stacked structure. | 07-30-2015 |
20150214610 | SOLID-STATE PLASMA ANTENNA - Disclosed is a solid-state plasma antenna that has an adjustable azimuth angle and declination angle and is applied even to a solid-state plasma antenna, which includes an electrode interconnection layer having a curve shape and an electronic path formed therein; a solid-state plasma cell array positioned at an inner side of the curve shape; a plasma activation controller electrically connected with the solid-state plasma cell array through the electrode interconnection layer and configured to activate at least one solid-state plasma cell in the solid plasma cell array based on an input signal; and an RF feed installed a predetermined distance from the inner side of the curve shape and configured to emit an RF signal to the solid-state plasma cell array. | 07-30-2015 |
20150214608 | PLASMA ANTENNA - Provided is a plasma antenna. The plasma antenna includes a radiation portion formed by stacking a plurality of radiation disks generating plasma based on provided energy and radiating a signal using the generated plasma, an energy generation portion configured to provide the energy to at least one of the plurality of radiation disks, and a signal transmission portion configured to provide the signal to the at least one radiation disk provided with the energy. Therefore, it is possible to support multiple frequency bands. | 07-30-2015 |
20150091556 | METHOD AND APPARATUS FOR ANALYZING MATERIALS BY USING PATTERN ANALYSIS OF HARMONIC PEAKS - The present invention provides an apparatus and a method for analyzing materials by using pattern analysis of harmonic peaks. The apparatus for analyzing materials according to the present invention comprises a generating unit generating two or more electromagnetic fields, a detecting unit detecting a magnetization signal generated from a measurement target material as an electromagnetic field is applied to the measurement target material, and an analyzing unit analyzing type of the measurement target material based on a harmonic pattern obtained from the magnetization signal. | 04-02-2015 |
20150067051 | BATCHING-BASED CONTENT ROUTING METHOD AND APPARATUS FOR PERFORMING BATCHING-BASED CONTENT ROUTING METHOD - The method includes, receiving a content request message from a user terminal, comparing a batching window value and a timer value in session information when there is session information corresponding to received content, and transmitting a content response message including an address of a stored surrogate server to the user terminal when the timer value is less than the batching window value. In addition, the method includes, receiving a request message for requesting the same content from another user terminal, and transmitting the content response message including address information of the same surrogate server to another user terminal when the timer value is less than the batching window value. Therefore, since more channels can be assigned to one surrogate server, it is possible to decrease data transmission costs of the surrogate server. | 03-05-2015 |
20150011230 | METHOD FOR COMMUNICATION BASED ON COORDINATOR IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS FOR THE SAME - Disclosed are a coordinator based device-to-device communication method and an apparatus for the same. The communication method may comprise transmitting a synchronization signal and system information to a plurality of terminals; configuring wireless links with the plurality of terminals based on a random access procedure; receiving a scheduling message for a D2D communication from a first terminal among the plurality of terminals; allocating, to the first terminal, a transmission resource to be used for the first terminal to transmit data based on the scheduling request message; and allocating, to a second terminal performing the D2D communication with the first terminal among the plurality of terminals, a reception resource to be used for the second terminal to receive the data transmitted from the first terminal. | 01-08-2015 |
20150009881 | METHOD FOR PUBLIC SAFETY COMMUNICATION AND APPARATUS FOR THE SAME - Disclosed are methods and apparatuses for public safety communication. A method comprises transmitting a groupcast setup request message to a base station; receiving an uplink grant message including information on groupcast resources in response to the groupcast setup request message from the base station; and transmitting data to be transmitted to receiving terminals belonging to a group to which the transmitting terminal belongs to the base station through the groupcast resources. Therefore, public safety communication can be efficiently performed in a wireless communication system. | 01-08-2015 |
20140376464 | METHOD FOR COMMUNICATION USING LARGE-SCALE ANTENNA IN MULTI-CELL ENVIRONMENT - Disclosed is a communication method using a large-scale antenna in a multi-cell environment. The method comprises classifying a plurality of terminals in a cell of the base station into a least one cell center group and at least one cell edge group according to their positions; transmitting downlink pilot signals to each group; receiving a first Precoding Matrix Indicator (PMI) for the cell and a second PMI for interference signal from a cell adjacent to the cell from each terminal belonging to the at least one cell edge group; and generating information on interferences between multi-cells based on the first PMI and the second PMI. Therefore, information exchange for interference control between base stations can be minimized. | 12-25-2014 |
20140355597 | METHOD FOR NETWORK SYNCHRONIZATION ACQUISITION IN WIRELESS NETWORKS - Disclosed is a method for network synchronization acquisition in a wireless network. A synchronized node transmits a first synchronization reference signal, a second synchronization reference signal, and a beacon according to a predetermined period. A non-synchronized node receives the first synchronization reference signal, the second synchronization signal, and the beacon from at least one transmitting node. Then, the non-synchronized node acquires network synchronization temporarily based on the first synchronization reference signal, decodes the beacon, and checks whether at least one transmitting node exists or not. Then, the non-synchronized node requests a network synchronization forwarding service or a time adjustment, and acquires synchronization based on the provided network synchronization forwarding service. | 12-04-2014 |
20140355478 | METHOD OF PROVIDING A DYNAMIC NODE SERVICE AND DEVICE USING THE SAME - There are provided a method of providing a dynamic node service and a device using the same. The method of providing a dynamic node service that is operated in a fabric controller includes receiving a dynamic node service request, selecting a plurality of system resources including at least one processing unit from among system resources connected with a fabric switch corresponding to the dynamic node service request, and configuring a dynamic node by connecting the plurality of selected system resources to each other through control of the fabric switch. Therefore, it is possible to provide the dynamic node having performance satisfying a user's request. | 12-04-2014 |
20140335882 | METHOD FOR CONFIGURING DUAL CONNECTIVITY - Disclosed is a method for configuring dual connectivity. A method for configuring dual connectivity, performed in a base station, may comprise receiving measurement information about a neighbor cell of the terminal from the terminal; obtaining information for configuring dual connectivity from the terminal or the base station; determining whether to configure dual connectivity based on the measurement information and the information for configuring dual connectivity; and when the dual connectivity is to be configured, transmitting a message instructing to configure the dual connectivity to the terminal. | 11-13-2014 |
20140335858 | CELL SEARCH METHOD FOR SUPPORTING DISCONTINUOUS TRANSMISSION AND/OR RECEPTION OF BASE STATION - Disclosed is a cell search method for supporting discontinuous transmission and reception of small cell base stations. A cell search method performed by a base station, in an environment that a plurality of small cell base stations perform discontinuous transmission and reception, may comprise transmitting information about small cell base stations whose current transmission and reception mode is in active state; receiving, from a terminal, measurement results on the small cell base stations included in the information about small cell base stations; estimating small cell base stations located around the terminal based on the measurement results; and transmitting, to the estimated small cell to stations, an instruction to change their transmission and reception modes. Therefore, power consumption of the small cell base stations may be reduced with maintaining terminal performances for searching small cells. | 11-13-2014 |
20140335857 | CELL SEARCH METHOD - A cell search method is disclosed. In an environment that a plurality of small cells are located around a macro cell, a macro base station may allocate a terminal-specific signal distinguishing a terminal from other terminal to the terminal which establishes a connection with the macro base station, and share information of the terminal-specific signal with a plurality of small cell base stations. When a cell search is triggered, the terminal may transmit the allocated terminal-specific signal, and the plurality of small cell base stations perform measurements on the received terminal-specific signal and then report the measured results to the macro base station. The macro base station may configure a candidate set of small cells for the terminal based on the measurement results reported from the plurality of small cell base stations, and transmit the candidate set to the terminal. | 11-13-2014 |
20140333734 | STEREOSCOPIC DISPLAY SYSTEM - There is provided a stereoscopic display system that can provide a high resolution, a wide field-of-view, and wearing comfort. The system includes an image generating device configured to display images and decrease a display area on which the images are displayed, an image transmission device configured to transmit the image displayed on the decreased display area, and an image output device configured to enlarge the transmitted image and output a mixed image in which the enlarged image and real-view information are mixed. Therefore, the invention can satisfy main requirements on, for example, resolution, field-of-view, weight, in HMD/FMD/EGD technology, and provide a natural immersive stereoscopic image. | 11-13-2014 |
20140313123 | PROJECTOR FOR PROJECTING PATTERN FOR MOTION RECOGNITION AND MOTION RECOGNITION APPARATUS AND METHOD USING THE SAME - Provided are a projector that projects a pattern for user motion recognition and a motion recognition apparatus and method using the projector. The projector includes a light generation unit, a light guide unit configured to guide light generated from the light generation unit in a predetermined direction, a collimating lens configured to collimate the light transmitted from the light guide unit, and a diffractive optical element (DOE) configured to generate the pattern using the light passing through the collimating lens. | 10-23-2014 |
20140308932 | METHOD OF AND APPARATUS FOR TRANSMITTING/RECEIVING DIGITAL SIGNAGE CONTENTS - A method of transmitting and receiving digital signage contents, which is capable of easily transmitting and receiving digital signage contents using a smartphone's application, is disclosed. According to an aspect, the method of transmitting and receiving digital signage contents includes: executing an application; transmitting a message for requesting digital signage contents displayed on a digital signage display device to a digital signage manager through the application; receiving the digital signage contents from the digital signage manager; and outputting the received digital signage contents. Accordingly, a user may easily and quickly receive digital signage contents using a smartphone's application, and also, a plurality of users may simultaneously use the same digital signage contents through their terminals. In addition, it is possible to objectively determine the degrees of users' concern and preference about advertisements and digital signage contents. | 10-16-2014 |
20140301396 | METHOD FOR CONSTRUCTING VIRTUAL PRIVATE NETWORK, METHOD FOR PACKET FORWARDING, AND GATEWAY APPARATUS USING THE METHODS - Disclosed are a method for constructing a virtual private network, a method for packet forwarding, and a gateway apparatus using the methods. A method for constructing a virtual private network, according to an example embodiment of the present invention, may comprise receiving a first tunnel connection request from the lower gateway, and transmitting a permission message for the first tunnel connection request to the lower gateway; transmitting a second tunnel connection request to the upper gateway, and receiving a permission message for the second tunnel connection request from the upper gateway; and generating a second tunnel, and storing information about the second tunnel in a tunnel routing table. | 10-09-2014 |
20140287835 | SOUND VIRTUALIZATION METHOD AND APPARATUS - Disclosed are a sound virtualization method and apparatus. The sound virtualization method includes generating virtual sound devices, generating virtual audio devices on the basis of an audio device, acquiring a mapping relation between sounds created by the virtual sound device and sounds output by the virtual audio device, acquiring the sounds from memories on the basis of the mapping relation, and outputting the sounds through the virtual audio devices according to the mapping relation. Accordingly, it is possible to provide sound to a plurality of users. | 09-25-2014 |
20140285484 | SYSTEM OF PROVIDING STEREOSCOPIC IMAGE TO MULTIPLE USERS AND METHOD THEREOF - Provided are a system and method of simultaneously providing stereoscopic images to multiple users. The system includes at least one glasses unit, a stereoscopic image generating device configured to calculate spatial information of the at least one glasses unit, and generate the stereoscopic image corresponding to the spatial information of the at least one glasses unit, and a stereoscopic image providing device configured to project the stereoscopic image corresponding to the spatial information of the at least one glasses unit to provide the projected stereoscopic image to the at least one glasses unit. Thus, through lightweight glasses constituted of only simple optical elements without a separate electronic device such as a micro panel, stereoscopic information such as through an existing HMD may be provided to multiple users. | 09-25-2014 |
20140269455 | METHOD FOR WIRELESS COMMUNICATION BASED ON RELAY AND APPARATUS FOR THE SAME - Methods for wireless communications based on relay and apparatuses for the same are disclosed. The method for a terminal to transmit signals comprises receiving scheduling information from a base station connected to the terminal; generating uplink data based on the scheduling information; performing punctuation on a data symbol positioned in a region through a downlink synchronization signal is transmitted in the generated uplink data; and transmitting the punctured uplink data. Therefore, the terminal may acquire synchronization signal easily, and perform neighbor cell search correctly based on the acquired synchronization signal. | 09-18-2014 |
20140254517 | METHOD FOR MULTI-INPUT MULTI-OUTPUT COMMUNICATION IN LARGE-SCALE ANTENNA SYSTEM - Disclosed is a method for multi-input multi-output transmission of a base station in a wireless communication system. The method includes obtaining channel information of one or more terminals, classifying the one or more terminals into one or more classes and one or more groups dependent on the class based on the channel information, determining a group beamforming matrix for each of the one or more groups, performing group beamforming transmission on terminals belonging to each of the one or more groups based on the group beamforming matrix, obtaining single user-channel quality indicator (SU-CQI) information and interference signal information of each of the terminals belonging to each of the one or more groups, and scheduling the terminals based on the SU-CQI information and the interference signal information. | 09-11-2014 |
20140247788 | METHOD FOR PAGING INFORMATION IN CELLULAR SYSTEM - Provided is a method for transmitting paging information in a cellular system. An object of the method is transmitting paging information which can improve applicability of a limited radio resource by variably and flexibly setting up and mapping a transport channel and a physical channel in order to transmit information notifying start of downlink information from a base station to a terminal in a cellular system for packet transmission. The method includes the steps of: forming a paging channel (PCH) in a transport channel corresponding to generation of paging information; setting a paging indication channel (PICH) based on the paging information and forming the paging indication channel in a radio resource of a physical layer; and allocating the paging channel to the radio resource of the physical layer. | 09-04-2014 |
20140241331 | WI-FI DIRECT-BASED MESSAGE COMMUNICATION METHOD AND APPARATUS - Disclosed is a message communication method of transmitting and receiving a certain message, independently of any network, without privacy invasion issues. The method includes generating vendor specific data on the basis of input information, adding the generated vendor specific data to a P2P information element of a probe request frame, and transmitting the probe request frame to another message communication apparatus. Thus, an apparatus conforming to a Wi-Fi Direct standard may transmit/receive a certain message to/from another terminal independently of a use region, a use environment, and a network of a large telecommunication vendor, without privacy invasion issues. | 08-28-2014 |
20140235172 | METHOD AND SYSTEM FOR COMMUNICATING BETWEEN DEVICES - A method and system for communicating between devices according to the present invention are provided. The method for communicating between the devices according to the present invention is used for communicating with a first terminal, and is carried out in a device having a capacitive touch screen. The method includes: detecting a change in capacitance for a specific part of the capacitive touch screen, which occurs by means of the first terminal; and acquiring information transferred from the first terminal on the basis of the detected change in capacitance of the capacitive touch screen. The communicating method using such a touch screen may be easily used for various services such as authenticating terminals or transferring files between local terminals. | 08-21-2014 |
20140223541 | METHOD FOR PROVIDING SERVICE OF MOBILE VPN - Disclosed is a method for providing mobile virtual private network (VPN) services. An operation method of a group and tunnel manager (GTM) for providing mobile VPN services includes receiving a first message for registering information of a VPN group from a gateway, generating tunnel information between the GTM and the gateway based on the first message, and transmitting a packet based on the tunnel information. Accordingly, a private address may be used even in a mobile VPN, and therefore a VPN site may be configured even in an environment where a public address is difficult to use, or a flexible VPN site may be configured. | 08-07-2014 |
20140217831 | WIRELESS POWER TRANSMISSION DEVICE USING FREQUENCY MULTIPLIER AND METHOD THEREOF - There are provided a wireless power transmission device using a frequency multiplier and a method thereof. The wireless power transmission device using the frequency multiplier includes a signal input unit configured to receive a first alternating current (AC) signal, a frequency multiplier configured to output a second AC signal having a higher frequency than the first AC signal using harmonic components of the first AC signal, and a power transmission unit configured to transmit power by receiving the second AC signal. Accordingly, a complex structure in which an AC signal is converted into a DC signal and the DC signal is converted into the AC signal again in order to generate the AC signal for the wireless power transmission can be simplified by the frequency multiplier. Moreover, it is possible to efficiently and wirelessly transmit low power required for ambient scattered sensor nodes. | 08-07-2014 |
20140213243 | SERVICE EQUIPMENT CONTROL METHOD AND USER EQUIPMENT FOR PERFORMING THE SAME - Disclosed is a service equipment control method for easily controlling a plurality of pieces of service equipment with one application. The service equipment control method includes requesting control interface information, used for controlling control target service equipment, from the control target service equipment, receiving the control interface information from the control target service equipment in response to the request, and outputting the received control interface information to a user. Accordingly, it is not necessary to install a home gateway, and a plurality of pieces of control target service equipment can be controlled using one application without needing to install an application for individual service equipment for controlling the service equipment. | 07-31-2014 |
20140211705 | METHOD FOR DEVICE-TO-DEVICE COMMUNICATION BASED ON WIRELESS LOCAL AREA NETWORK AND APPARATUS FOR THE SAME - Methods for device-to-device communication based on wireless local area network are disclosed. A method for device-to-device communications performed in a first terminal may comprise configuring a default bearer by interworking with a core network supporting cellular communication, configuring a session by interworking with the core network, discovering a counterpart terminal performing device-to-device communications with the first terminal based on a request of configuring a dedicated bearer, and configuring a communication path according to a communication mode determined based on a result of the discovering. Therefore, according to the present invention, D2D communications using a Wi-Fi P2P may be supported efficiently. | 07-31-2014 |
20140210814 | APPARATUS AND METHOD FOR VIRTUAL MAKEUP - Provided are an apparatus and method for virtual makeup. The method for virtual makeup includes generating a virtual makeup history including pieces of information about a virtual makeup process, generating virtual makeup layers based on a plurality of related pieces of information among the pieces of information stored in the virtual makeup history, and generating a virtual makeup template by merging at least one of the virtual makeup layers. Accordingly, it is possible to reduce the time taken for a virtual makeup operation. | 07-31-2014 |
20140209011 | SAFETY TRIPOD APPARATUS FOR VEHICLE - Provided is a safety tripod apparatus for a vehicle. The safety tripod apparatus according to an example embodiment of the present invention includes a storage tank that stores a compressed gas, a valve connected to the storage tank and controlling a flow of the compressed gas stored in the storage tank, a control unit that controls opening or closing of the valve, a tube connected to the valve and expanded by the compressed gas flowing through the valve, and a signpost connected to one end of the tube. Accordingly, a safety accident can be prevented from occurring due to manual installation of a safety tripod. | 07-31-2014 |
20140204853 | WIRELESS COMMUNICATION SYSTEM USING DISTRIBUTED ANTENNAS AND METHOD FOR PERFORMING THE SAME - Provided are a wireless communication system and method using distributed antennas. A physical channel and reference signal (RS) transmission/reception method for downlink and uplink communication using a plurality of points is provided for a case in which the plurality of points have different physical cell identities (PCIs), or in a wireless communication environment using distributed antennas in which the plurality of points belong to the same cell and have the same PCI. Also, a method of transmitting a physical channel and an RS in an uplink and a downlink by introducing a virtual cell identity (VCI) is provided. Further, a cooperative transmission method using a plurality of points is provided, so that communication efficiency of a wireless communication system using distributed antennas can be improved. | 07-24-2014 |
20140204020 | INTERACTIVE CONTENT CONTROL DEVICE BASED ON L-SHAPED DISPLAY AND CONTROL METHOD THEREOF - Provided are an interactive content control device and an interactive content control method capable of increasing immersion in content, which include a front display unit that displays content images, a lower side display unit which is configured to form an L shape with the front display unit, displays content images, and interworks with the front display unit, a sensor unit that senses user movements and provides detected sensing information, and a controller that controls interworking of content displayed on the front display unit and the lower side display unit based on the sensing information. Accordingly, a sense of physical distance from the user may be reduced and the user experiences more immersive content and a variety of interfaces may be utilized in content. | 07-24-2014 |
20140194115 | METHOD FOR DISCOVERY IN DEVICE-TO-DEVICE COMMUNICATIONS AND APPARATUS FOR THE SAME - A method for discovery in device-to-device communications and an apparatus for the same are disclosed. The method performed in a device-to-device server supporting device-to-device discovery between a discovery terminal and a discoverable terminal may include receiving a device-to-device discovery participation message from the discoverable terminal, requesting a gateway to measure a proximity between the discovery terminal and the discoverable terminal, receiving a proximity measurement result from the gateway, and requesting the discovery terminal and the discoverable terminal to initiate a procedure of device-to-device discovery when the proximity measurement result satisfies a predetermined threshold. Thus, the procedure of device-to-device discovery may be performed efficiently. | 07-10-2014 |
20140192730 | METHOD FOR TRANSMITTING AND RECEIVING CONTROL INFORMATION OF A MOBILE COMMUNICATION SYSTEM - Disclosed is a method for transmitting and receiving control information. The method for transmitting control information according to the present invention, in a mobile communication system in which a control channel region and a data channel region are separated from each other, comprises the steps of: determining a control channel resource for transmitting control information by means of the data channel region; and transmitting the control information using the determined control channel resource. According to the present invention, a capacity for control information, which increases for multiple user multiple-input multiple-out (MIMOs) in a heterogeneous network environment, for heterogeneous network interference control using carrier aggregation, for frequent use of a multicast-broadcast single frequency network (MBSFN) subframe, and for a CoMP transmission control, may be satisfied. Further, an adaptive resource allocation based on a requested capacity for control information may be enabled, and the efficient utilization of resources may also be enabled. | 07-10-2014 |
20140176607 | SIMULATION SYSTEM FOR MIXED REALITY CONTENT - Disclosed is a simulation system for mixed reality content. A simulation system according to the present invention may comprise at least one real object for demonstrating contents configured with a tracking sensor, a multi-modal input-output apparatus tracking the at least one real object and collecting information on the at least one real object and a content authoring apparatus configured to edit virtual contents according to a predefined scenario, receive the information on the at least one real object collected by the multi-modal input-output apparatus, and edit the virtual contents based on the information on the at least one real object and a user feedback. | 06-26-2014 |
20140164706 | MULTI-CORE PROCESSOR HAVING HIERARCHICAL CAHCE ARCHITECTURE - Disclosed is a multi-core processor having hierarchical cache architecture. A multi-core processor may comprise a plurality of cores, a plurality of first caches independently connected to each of the plurality of cores, at least one second cache respectively connected to at least one of the plurality of first caches, a plurality of third caches respectively connected to at least one of the plurality of cores, and at least one fourth cache respectively connected to a least one of the plurality of third caches. Therefore, overhead in communications between cores may be reduced, and processing speed of application may be increased by supporting data-level parallelization. | 06-12-2014 |
20140162653 | INTER-CELL INTERFERENCE CONTROL METHOD AND APPARATUS - Disclosed is an inter-cell interference control method and apparatus. The inter-cell interference control method includes providing handover request information including interference information to a source base station, receiving handover completion information in accordance with the handover request information from at least one of the source base station and a target base station, and receiving interference control information in accordance with the interference information from the target base station. According to the present invention, inter-cell interference may be efficiently controlled, and overall performance of a network may be improved. | 06-12-2014 |
20140161059 | METHOD FOR TRANSMITTING AND RECEIVING DATA IN COMMUNICATION SYSTEM USING MULTIPLE ANTENNAS AND APPARATUS THEREFOR - There are provided a method for transmitting and receiving data in communication system using multiple antennas and an apparatus for the same. The method of transmitting data in a base station may comprise receiving information on at least one beam causing interferences from a served terminal and transmitting control information to be used for cancelling interferences caused by the at least one beam to the served terminal. Thus, according to the present invention, interference may be controlled effectively in a communication system using multiple antennas. | 06-12-2014 |
20140159667 | ENERGY CONVERSION APPARATUS - Disclosed is an energy conversion apparatus. An energy conversion apparatus may comprise a control part controlling a length of a first time duration in which input current is inputted and accumulated, a length of a second time duration in which the accumulated current is provided to a load, and a length of a third time duration in which inverse current flows; and a DC-to-DC converter including an inductor, a output capacitor, and at least one switching element, wherein the input current is accumulated during the first time duration by switching the at least one switching element according to a control of the control part so as to perform input impedance matching, and the DC-to-DC convert provides a current corresponding to a difference between the accumulated current provided during the second time duration and the inverse current flowing from the output capacitor during the third time duration to the load. | 06-12-2014 |
20140149026 | METHOD OF COMBINING TRACKLESS VEHICLE AND DEVICE THEREOF - Disclosed are a method of combining a trackless vehicle and a device thereof, the method including receiving running information about automobiles from a plurality of terminals, searching for terminals each having provided running information that satisfies a predetermined standard based on a similarity in the running information, and providing combining information to the searched terminals, so that energy consumption is reduced when compared to running in the form of an independent trackless vehicle and an automobile user is able to move to a desired destination. | 05-29-2014 |
20140136826 | METHOD AND APPARATUS FOR UPDATING BOOT LOADER - Disclosed is an apparatus and method for updating a boot loader of an embedded system for a vehicle, the method including receiving and storing an update file, checking validities of a primary boot program and a secondary boot program based on update information according to the update file, and sequentially executing updates of the primary boot program and the secondary boot program. Since the secondary boot program, which is a backup boot program, maintains an executable state all the times, even if an error occurs during a boot program update, the update is executed again by use of the secondary boot program, thereby securing the safety of an embedded system for a vehicle. | 05-15-2014 |
20140136206 | MASH-UP SERVICE GENERATION APPARATUS AND METHOD BASED ON VOICE COMMAND - Provided are a mash-up service generation apparatus and method based on a voice command. The mash-up service generation apparatus includes a voice recognizer configured to convert a voice command into a character string, a mash-up natural language processor configured to extract a word corresponding to a mash-up module based on the character string, and convert the word into at least one of metadata of the mash-up module and metadata of a mash-up sequence in which a plurality of mash-up modules are combined, and a mash-up sequence processor configured to search for and select a target mash-up sequence corresponding to the metadata of the mash-up sequence, and newly generate the target mash-up sequence. Accordingly, a customized mash-up service can be provided to a user. | 05-15-2014 |
20140122409 | APPARATUS AND METHOD FOR BUILDING MAP OF PROBABILITY DISTRIBUTION BASED ON PROPERTIES OF OBJECT AND SYSTEM - An apparatus and method for building a map of probability distribution are provided. The apparatus for building the map of probability distribution includes: a sensor information collector configured to collect sensor information from a plurality of sensors; as object recognizer configured to recognize an object by integrating and inferring the sensor information, and to acquire object information; and a probability distribution creator configured to determine whether to apply an object property model including at least one of kinematic properties, shape properties, and probabilistic properties in correspondence to the object information, to acquire object properties corresponding to the object information, and to create a probability distribution based on foe object properties. Accordingly, it is possible to build a map with high reliability. | 05-01-2014 |
20140115675 | SMART CARD SERVICE METHOD AND APPARATUS FOR PERFORMING THE SAME - Provided are a smart card service method and an apparatus for performing the same. The smart card service method includes receiving a certificate generation request from a terminal, transmitting the certificate generation request to an authentication processing device, and storing credential information with respect to the generated certificate in a virtual machine associated with the terminal in response to a certificate generation success message provided from the authentication processing device. Thus, it is possible to reduce costs in accordance with manufacturing smart card hardware, and support smart card services in a more enhanced security environment. | 04-24-2014 |
20140112212 | METHOD FOR MANAGING AND SHARING SYMMETRIC FLOW AND ASYMMETRIC FLOW IN DUPLEXED NETWORK - Provided is a network duplexing apparatus and method. The network duplexing apparatus includes a plurality of network interface units configured to store information of a flow flowing in the network interface units when the information of the flow is not generated, provide the information of the flow to a master unit when the flow corresponds to an asymmetric flow, and request information of an opposite side flow of the flow from the master unit to receive the requested information, and the master unit configured to store the information of the flow provided from the network interface unit, determine whether the information of the opposite side flow of the flow is stored, and provide the information of the opposite side flow to the network interface unit when the information of the opposite side flow is stored. | 04-24-2014 |
20140101534 | METHOD OF AUTHORING XML DOCUMENT AND APPARATUS FOR PERFORMING THE SAME - Disclosed are a method of authoring an XML document and an apparatus for performing the same. The XML document authoring method includes generating a unified modeling language (UML) activity diagram model corresponding to provided contents, based on a predefined UML generation rule, and generating an XML document corresponding to the UML activity diagram model based on a predefined mapping rule, so that main contents of a text-based procedural data module are visually displayed, and thus a user easily recognizes the contents of the procedural data module, and easily generates an S1000D procedural data module XML file without having to learn an S1000D XML schema. | 04-10-2014 |
20140098951 | METHOD FOR ELLIPTIC CURVE CRYPTOGRAPHY WITH COUNTERMEASURES AGAINST SIMPLE POWER ANALYSIS AND FAULT INJECTION ANALYSIS AND SYSTEM THEREOF - There are provided a method for elliptic curve cryptography with countermeasures against simple power analysis and fault injection analysis, and a system thereof. According to an aspect, there is provided a method for elliptic curve cryptography, in which an elliptic curve point operation is performed to generate an elliptic curve code, including: receiving a first point and a second point on the elliptic curve, wherein the first point is P | 04-10-2014 |
20140093851 | HORSEBACK RIDING SIMULATOR AND METHOD FOR HORSEBACK RIDING SIMULATION - Disclosed is a horseback riding simulator configured to operate in an adaptive manner with respect to a user and a method using the same, the horseback riding simulator including a user identification unit to identify a user through user identification information based on user facial information extracted from an input image, a posture recognition unit to calculate user posture information by extracting information related to each of designated body parts of the user from the input image, a coaching unit to provide the user with instruction in horseback riding posture, based on the user identification information and the user posture information, and a sensory realization unit to control a horseback riding mechanism based on a user-intended posture calculated through analysis of the user posture information. Accordingly, user-customized horseback riding instruction is provided through identification of a user and recognition of a user's horseback riding posture. | 04-03-2014 |
20140082599 | METHOD AND APPARATUS FOR UPDATING ELECTRONIC CONTROL UNIT IN SYSTEM BASED ON AUTOMOTIVE OPEN SYSTEM ARCHITECTURE - Disclosed are an ECU update method and apparatus of an AUTOSAR-based system. In the ECU update method, an MCAL driver layer receives ECU update data, and an ECAL driver layer receives the ECU update data from the MCAL driver layer and directly transfers the ECU update data to ECU update software. Therefore, the ECU update method minimizes unnecessary operations in updating an ECU while performing an operation conforming to the AUTOSAR standard, thus quickly updating the ECU. | 03-20-2014 |
20140016574 | METHOD OF TRANSCEIVING FOR DEVICE TO DEVICE COMMUNICATION - A method of transmitting and receiving a specific reference signal in single point transmission and multi-point transmission is disclosed. The specific reference signal transmission method includes determining specific reference signal transmission resources for at least one terminal targeted for transmission, and transmitting the specific reference signal using the determined transmission resources and notifying of information for a layer used by the terminal. The specific reference signal transmission method includes determining specific reference signal reception resources, receiving the information for the layer used by the terminal from a serving cell base station, and receiving the specific reference signal using the information for determined transmission resources and the layer. Therefore, the terminal can recognize a position and a sequence of the specific reference signal. Particularly, in the case of multi-user MIMO and cooperative scheduling, signal interference can be suppressed or removed using the specific reference signal of another terminal. | 01-16-2014 |
20140013164 | FAULT-BASED SOFTWARE TESTING METHOD AND SYSTEM - A fault-based software testing method and system are provided. The fault-based software testing method includes: generating a plurality of error programs by injecting faults into a testing target program; grouping the generated error programs into a plurality of groups with respect to respective test data, and selecting representative error programs with respect to the respective groups; and when an error is detected in the execution result of the representative error programs with respect to the corresponding test data, determining that errors are detected in all the error programs of the corresponding group. | 01-09-2014 |
20130343161 | APPARATUS AND METHOD FOR TRANSMITTING ACOUSTIC SIGNAL USING HUMAN BODY - An apparatus and method for transmitting an acoustic signal using a human body are disclosed. The acoustic signal transmitting apparatus includes: a pre-processor configured to perform processing for compensating for transfer distortion of an acoustic signal; a controller configured to control beamforming of the acoustic signal whose transfer distortion has been compensated for; and a plurality of acoustic devices configured to transfer the acoustic signal to a human body which the plurality of acoustic devices have contacted, through beamforming according to a control of the controller. Accordingly, it is possible to to transmit acoustic signals using a human body as a medium with minimum signal loss and distortion. | 12-26-2013 |
20130319730 | FABRIC-TYPE MULTILAYER PRINTED CIRCUIT BOARD AND MANUFACTURING METHOD THEREOF - A fabric-type multilayer PCB and a manufacturing method thereof are provided. The method electrically connects first and second circuit patterns by compressing the first and second unit circuits with a conductor therebetween to introduce the conductor into an insulating layer, and thus can save on manufacturing cost and achieve more precise junction. Also, the fabric-type multilayer PCB includes a conductor that is formed on a fabric material, and directly joined to the first and second circuit patterns to electrically connect the first and second circuit patterns, and thus enables efficient electrical connection. Moreover, even when a shape is deformed by the torsion of flexible fabrics, an electrical connection can be maintained. | 12-05-2013 |
20130315195 | WIRELESS COMMUNICATION SYSTEM USING MULTIPLE TRANSMISSION AND RECEPTION POINTS - Disclosed is a wireless communication system using multiple transmission and reception points. In a wireless communication system having a first transmission and reception point and at least one second transmission and reception point belonging to the same cell, the first transmission and reception point has a wider transmission area than the at least one second transmission and reception point, and the first transmission and reception point and the at least one second transmission and reception point generate downlink transmission signals by using the same physical layer cell ID or virtual cell IDs allocated to each terminal, and then the terminals generate uplink transmission signals by using the allocated virtual cell IDs. | 11-28-2013 |
20130304597 | METHOD OF PROVIDING APPLICATION AND APPARATUS FOR PERFORMING THE SAME - A method of providing an application and an apparatus for performing the same are provided. The method of providing an application includes receiving a begging request message for requesting a specific begging target to purchase a specific application or a specific in-app function from a terminal of a begging requester, transmitting a begging request notification message to a terminal of the specific begging target when the specific begging target approves the begging request, and when the specific begging target purchases the specific application or the specific in-app function, approving download of the purchased specific application or registering a use right of the purchased specific in-app function. | 11-14-2013 |
20130301493 | METHOD OF TRANSMITTING DATA - Disclosed herein are a method of transmitting data and a method of receiving data. In the method of transmitting data, a management frame including data to be transmitted is configured, and the configured management frame is transmitted. In the method of receiving data, a management frame is received and then data is read from the received management frame. | 11-14-2013 |
20130283061 | IMAGE PROCESSING METHOD AND APPARATUS FOR PRIVACY PROTECTION OF CAPTURED IMAGE - Provided are an image processing method and method for privacy protection of a captured image. The image processing method divides an original image into a plurality of regions, assigns access privileges to the respective regions, and encrypts the regions, and provides an image by performing masking to each region or provides an image without performing masking, based on the access privilege of an image access request, and achieving privacy protection from the leakage of an original image. Accordingly, when storing a captured PC screen image and providing the stored image, an image region having no relation to a user's activities is stored after hierarchical encryption, preventing privacy infringement. | 10-24-2013 |
20130254051 | APPARATUS FOR ISSUING RECEIPTS AND USER TERMINAL USING THE RECEIPTS - There are disclosed a receipt issuing apparatus, a user terminal, a receipt issue system, and a method using smart receipts. The receipt issuing apparatus can include an issue unit configured to receive settlement information, configure a smart receipt based on the settlement information, and issue the configured smart receipt and a receipt transmission unit configured to send the issued smart receipt to a user terminal using short range wireless communication, wherein the smart receipt comprises at least one of information on a place of business, the settlement information, information on a transaction article, discount information, and an image of user signing. | 09-26-2013 |
20130229972 | METHOD FOR CONTROLLING INTERFERENCE IN AN OVERLAID NETWORK ENVIRONMENT - Disclosed is a method for controlling interference in a heterogeneous network environment. The method for controlling the inter-cell interference of a base station according to one aspect of the present invention comprises the following steps: transmitting, to a terminal, information relating to subframes in which a portion of a resource is to be punctured; transmitting, to the terminal, a relevant subframe in which a portion of a resource is punctured on the basis of the information relating to said subframes. A method for controlling the inter-cell interference of a base station according to another aspect of the present invention comprises the following steps: setting a resource for transmitting system information; and transmitting system information using only said resource for transmitting system information, or preferentially using said resource for transmitting system information when transmitting system information using a subframe designated as an almost blank subframe (ABS). Accordingly, inter-cell interference problems may be alleviated even in the event pieces of important system information, such as CRS, should be transmitted using an ABS. | 09-05-2013 |
20130219415 | METHOD FOR EXECUTING HYBRID WEB APPLICATION AND APPARATUS THEREFOR - The device for executing a hybrid web application written in a web standard language including a system API call includes a web user interface layer that requests a process according to the system API call from a hybrid web application interface layer, and performs a process according to the web standard language, a hybrid web application interface layer that requests the process corresponding to the system API call from a cross platform system service interface layer in response to the request of the web user interface layer, receives a result of the process corresponding to the system API call from the cross platform system service interface layer, and transmits the received result to the web user interface layer, and a to cross platform system service interface layer that performs a platform dependent operation corresponding to the system API based on the request of the hybrid web application interface layer. | 08-22-2013 |
20130205012 | APPARATUS AND METHOD FOR TRANSMITTING NODE DISCOVERY MESSAGES - Disclosed herein are an apparatus and method for transmitting Node Discovery Messages. The apparatus includes a Medium Access Control layer information collection unit, a Discovery Window Slot calculation unit, a DW size determination unit, a DWS selection unit, and an NDM processing unit. The MAC layer information collection unit collects time slot information for NDMs in a previous round. The DWS calculation unit generates information about the slots of a Discovery Window of a discovery frame in the previous round based on the time slot information. The DW size determination unit determines the size of the DW in a current round based on the information about the slots of the DW. The DWS selection unit selects Discovery Window Slots in the current round based on the size of the DW. The NDM processing unit sends the NDMs during respective times corresponding to the DWSs. | 08-08-2013 |
20130177111 | APPARATUS AND METHOD FOR PERFORMING AUTOMATIC FREQUENCY CONTROL - Disclosed are a device and method for automatically controlling frequency. The automatic frequency control device includes a frequency error detection unit configured to obtain a frequency error detection value of a received carrier, a frequency error prediction unit configured to calculate a first frequency error prediction value on the basis of the frequency error detection value when the frequency error detection value satisfies a preset first criterion, and a frequency error compensation unit configured to calculate a second frequency error prediction value by correcting the first frequency error prediction value, and compensate for a frequency of the carrier on the basis of the second frequency error prediction value when a frequency change rate of the received carrier satisfies a preset second criterion. Therefore, overshoot and undershoot effects are minimized, and thus frequency control may be correctly performed. | 07-11-2013 |
20130163500 | MULTIMEDIA MULTICAST/BROADCAST SERVICE PROVIDING APPARATUS AND MULTIMEDIA MULTICAST/BROADCAST SERVICE PROVIDING METHOD USING THE SAME - An MBMS providing apparatus and an MBMS providing method using the same in a cloud radio access network are provided. The MBMS providing apparatus includes a third layer into which a plurality of network layers providing an MBMS are integrated in the plurality of DUs, and a second layer into which a plurality of datalink layers providing the MBMS are integrated in the DUs. Therefore, the present invention integrates the layers that provide the MBMS in the plurality of DUs, and provide the MBMS by MBSFN synchronization area through the integrated layers. Accordingly, by performing the MBMS by MBSFN synchronization area through respective integrated layers, the present invention can prevent the occurrence of an unnecessary load, thus enhancing the performance of a communication network. | 06-27-2013 |
20130150058 | METHOD OF CONTROLLING COMMUNICATION RESOURCES FOR CELLULAR MOBILE COMMUNICATION SYSTEM-BASED DEVICE-TO-DEVICE COMMUNICATION - Provided is a method of controlling communication resources for cellular mobile communication system-based device-to-deice (D2D) communication. The method includes selecting, at a base station, at least two devices, which are performing cellular communication in the same cell, as D2D candidates, measuring environment-based information on the selected D2D candidates to select at least one D2D pair, and allocating uplink (UL) resources or downlink (DL) resources to the D2D pair. | 06-13-2013 |
20130147789 | REAL-TIME THREE-DIMENSIONAL REAL ENVIRONMENT RECONSTRUCTION APPARATUS AND METHOD - A real-time three-dimensional (3D) real environment reconstruction apparatus and method are provided. The real-time 3D real environment reconstruction apparatus reconstructs a 3D real environment in real-time, or processes data input through RGB-D cameras in real-time using a plurality of GPUs so as to reconstruct a wide ranging 3D real environment. | 06-13-2013 |
20130100779 | ACOUSTIC SENSOR AND FABRICATION METHOD THEREOF - A method for fabricating an acoustic sensor according to an exemplary embodiment of the present disclosure includes: forming an acoustic sensor unit by forming a lower electrode on an upper portion of a substrate, forming etching holes on the lower electrode, forming a sacrifice layer on an upper portion of the lower electrode, and coupling a diaphragm to an upper portion of the sacrifice layer; coupling a lower portion of the substrate of the acoustic sensor unit to a printed circuit board on which a sound pressure input hole is formed so as to expose the lower portion of the substrate of the acoustic sensor unit to the outside through the sound pressure input hole; attaching a cover covering the acoustic sensor unit on the printed circuit board; etching the substrate of the acoustic sensor unit to form an acoustic chamber; and removing the sacrifice layer. | 04-25-2013 |
20130099868 | SOUND DETECTING CIRCUIT AND AMPLIFIER CIRCUIT THEREOF - Disclosed is a sound detecting circuit which includes a sensing unit configured to generate an AC signal in response to a sound pressure level of a sound signal; an amplification unit configured to amplify the AC signal; and a bias voltage generating unit configured to generate a bias voltage to be provided to the amplification unit. The bias voltage generating unit comprises a current source configured to provide a power current; and a current-voltage converting circuit configured to convert the power current into the bias voltage and to reduce a noise due to the power current. | 04-25-2013 |
20130089028 | WIRELESS COMMUNICATION SYSTEM AND METHOD USING DIRECTIONAL COMMUNICATION - A wireless communication system and a wireless communication method using directional communication are provided. The wireless communication method includes a communication request device transmitting a communication request message to a communication target device using directional communication, the communication request device receiving a response message that includes wireless communication connection information of the communication target device generated in response to the communication request message from the communication target device, the communication request device determining a wireless communication technology based on the wireless communication connection information, and the communication request device performing wireless connection with the communication target device according to the determined wireless communication technology. | 04-11-2013 |
20130073261 | SENSOR SIGNAL PROCESSING APPARATUS AND SENSOR SIGNAL DISTRIBUTED PROCESSING SYSTEM INCLUDING THE SAME - There are provided a sensor data processing apparatus, and a sensor data distributed processing system including the same. The sensor data distributed processing system includes: a plurality of sensors; one or more sensor data processing apparatuses each configured to compress a sensor signal received from at least one of a plurality of sensors, to create a compressed sensor signal, to adjust the sensor signal based on a reliability of the sensor signal, to analyze the adjusted sensor signal to provide analysis data, to synchronize the compressed sensor signal with the analysis data, to transmit the synchronized sensor data, and to provide management data to a corresponding sensor; and a sensor data management apparatus configured to monitor synchronized sensor data received from each sensor data processing apparatus, and to provide management data to the sensor data processing apparatus. | 03-21-2013 |
20130054638 | SYSTEM FOR DETECTING AND TRACKING TOPIC BASED ON OPINION AND SOCIAL-INFLUENCER FOR EACH TOPIC AND METHOD THEREOF - A system capable of detecting and tracking a topic based on an opinion and a social influencer for each topic and a method thereof are provided. The system that detects and tracks the topic based on the opinion and the social influencer for each topic includes: a topic opinion analysis apparatus configured to extract an opinion for each topic from content on the Internet to generate a topic-opinion database (DB), and to extract a social influencer among social members ranked based on behavior characteristics to generate a topic-social influencer DB; a knowledge DB configured to store the topic-opinion DB and the topic-social influencer DB; and a topic detecting and tracking apparatus configured to detect an opinion on a designated topic requested to be searched based on the knowledge DB, search the social influencer of the designated topic, and collect and analyze content provided or generated by the searched social influencer. | 02-28-2013 |
20130050496 | SECURITY MONITORING METHOD AND APPARATUS USING AUGMENTED REALITY - Disclosed is a security monitoring apparatus using augmented reality, including: an integrated event collector that collects events generated in a physical security region and an information security region; a security condition information generator that generates security condition information about each object to be monitored based on the collected events; and a security condition display unit that augments and displays the security condition information about the objects to be monitored existing in the videos photographed by cameras in the videos. | 02-28-2013 |
20130031119 | SYSTEM AND METHOD FOR DATA MATCHING - A system and method for data matching are disclosed. A user terminal included in the system includes a data provider, a data consumer, and a mapper. The data provider receives life log data of a user which is collected by at least one life log collecting apparatus. The data consumer receives the life log data from the data provider, and compares the life log data and reference data received from a service server to determine whether a difference between the life log data and the reference data exceeds a predetermined threshold value. The mapper maps the service server which provides the reference data corresponding to information of the life log data received from the data provider. Accordingly, the usability to of life log apparatuses can increase. | 01-31-2013 |
20130021322 | VISUAL ONTOLOGICAL SYSTEM FOR SOCIAL COMMUNITY - The present invention relates to a system for storing and managing a comment on content in a social community, and enabling another user to retrieve content or a comment. In particular, the present invention may generate image comments for target content from users of a social community, and summarize the generated imaged comments. | 01-24-2013 |
20130003979 | APPARATUS AND METHOD FOR GENERATING MULTIPLE OUTPUT SEQUENCE - Provided are an apparatus and method for generating a multiple output sequence. The apparatus includes an update unit configured to update a first shift register having k stages by inputting a value to the first shift register at every clock, a transfer unit configured to simultaneously transfer, at every clock, output values output from the first shift register to k stages of a second shift register respectively and output values output from k stages of the second shift register to k stages of a third shift register having the k stages respectively, and a multiple output generator configured to generate a multiple output sequence by outputting values of the k stages of the third shift register at every clock. | 01-03-2013 |
20120327882 | BASE STATION, MOBILE STATION, MIMO FEEDBACK RECEIVING METHOD, AND MIMO FEEDBACK TRANSMITTING METHOD - A mobile station receives a MIMO feedback mode bitmap and information on a MIMO feedback period. The mobile station estimates channel information corresponding to at least one MIMO feedback mode indicated by the MIMO feedback mode bitmap. The mobile station generates a MIMO feedback including the MIMO feedback mode bitmap and the channel information corresponding to the at least one MIMO feedback mode indicated by the MIMO feedback mode bitmap. The mobile station transmits the MIMO feedback at the advent of the MIMO feedback period. | 12-27-2012 |
20120237126 | APPARATUS AND METHOD FOR DETERMINING CHARACTERISTIC OF MOTION PICTURE - An apparatus and method for determining a characteristic of a motion picture. The method includes dividing the motion picture into video clips and video segments of each video clip, extracting video features from each segment, determining whether or not the respective video features have a targeted characteristic according to respective predetermined references using classifiers based on the respective features and generating determination result values, statistically combining the determination result values indicating whether or not the respective video features have the targeted characteristic according to the segments to generate first combination values, statistically combining the first combination values according to the video clips to generate second combination values, statistically combining all the second combination values to generate a final combination value, and finally determining whether or not the motion picture has the targeted characteristic using the final combination value according to a predefined final point of reference. | 09-20-2012 |
20120177155 | APPARATUS AND METHOD FOR RECEIVING DATA IN COMMUNICATION SYSTEM - Disclosed is an apparatus for receiving data in a communication system, including a receiving unit configured to receive data through a multi-channel in a MIMO (multi-input multi-output) scheme; a calculating unit configured to calculate a receiving power distribution value in each antenna of a multi-antenna and in each channel of the multi-channel, correspondingly to the MIMO scheme, and to generate a receiving synchronization signal using the receiving power distribution value; and a synchronization unit configured to synchronize frames for the data receiving of the receiving unit using the receiving synchronization signal. | 07-12-2012 |
20120163360 | APPARATUS AND METHOD FOR SUPPORTING ACCESS IN COMMUNICATION SYSTEM - Disclosed are an apparatus and a method for supporting access for a multi user to perform communication through a multi node by efficiently using a multi channel in a communication system of a multi user environment having the multi node, in which bands usable by STAs that intend to access an access point are searched in a multi channel; a transmission band for packet transmission is determined in the searched usable bands; and access to the access point is supported through the determined transmission band, and the transmission band is determined by performing ad-hoc through an ad-hoc media access control (MAC) protocol in the searched usable bands. | 06-28-2012 |
20120159357 | MOBILE WEB MAP SERVICE SYSTEM AND TERMINAL PROVIDING MOBILE WEB MAP SERVICE - The mobile web map service system includes a map server configured to provide map data to a terminal in response to a request from the terminal, a multimedia point of interest (mPOI) content provision server configured to provide multimedia information based on a geographic location represented by the map data in response to the request from the terminal, and a terminal configured to request and receive the map data and the multimedia information based on the geographic location represented by the map data, and output the received map data and multimedia information to a user. To overcome limitations of a conventional mobile web map service, a service can be configured using a service application programming interface (API) including hypertext markup language 5 (HTML5)-based geo-location, map-control, offline browsing, and mPOI functions. | 06-21-2012 |
20120158775 | SYSTEM AND METHOD FOR PROVIDING USER-CUSTOMIZED CONTENT - The system for providing user-customized content includes, a personal information database server in which user profile information and content usage history information are stored, a content server which receives user identification information and user context information from a ubiquitous sensor network, receives the user profile information and the content usage history information from the personal information database server, and searches for customized content corresponding to a user based on the received information, and a content browsing server which processes the customized content received from the content server into a form that can be displayed on a user terminal and provides the processed customized content to the user terminal. Therefore, it is possible to provide a wide range of services to the user and allow the user's personal inclination or preference as well as the user's temporal or spatial context to be subject to the services | 06-21-2012 |
20120157084 | APPARATUS FOR INTERFERENCE CANCELLING IN WIRELESS COMMUNICATION SYSTEM AND METHOD USING THE SAME - An interference cancellation method include detecting macro terminals which experience interference between a first signal output from a macro base-station and a second signal delivered from a femto terminal that is greater than a reference value; determining the number of channels of the femto base-station by subtracting the number of the detected macro terminals from the number of antennas of the femto base-station; generating a transmission beamforming weight vector using channel information of a signal interfered by the first signal and the second signal and channel information of the first signal; and providing a service, using the transmission beamforming weight vector, to as many femto terminals as the number obtained by subtracting the number of the detected macro terminals, which experience the interference greater than the reference value, from the number of the antennas of the femto base-station. | 06-21-2012 |
20120155472 | APPARATUS AND METHOD FOR CLASSIFYING PACKETS - An apparatus for classifying packets obtains a connection index of a service flow corresponding to a key field value of a tunnel header of a downlink packet received from a network through tunnel, and transmit the downlink packets with the connection index as a header. | 06-21-2012 |
20120154028 | BIAS CIRCUIT AND ANALOG INTEGRATED CIRCUIT COMPRISING THE SAME - Disclosed is a bias circuit which includes a bias voltage generating part configured to generate a bias voltage using a reference current and a variable current; a reference current source part configured to provide the reference current to the bias voltage generating part; and a current adjusting part configured to provide the variable current to the bias voltage generating part and to adjust the amount of the variable current according to voltage levels of at least two input signals. The bias circuit prevents an increase in power consumption and improves a slew rate at the same time. | 06-21-2012 |
20120141026 | METHOD AND SYSTEM FOR PROVIDING TILE MAP SERVICE USING IMAGE FUSION - A system includes a server including a map data storage device storing original tile map data, grayscale image tile map data, and a plurality of multi-resolution color image tile map data having a resolution lower than that of the grayscale image tile map data, and a multi-resolution tile map data generation and transmission device generating the grayscale image tile map data and the multi-resolution color image tile map data and storing the generated data in the map data storage device, and a client including a multi-resolution tile map data reception and fusion device generating color tile map data by fusing the received grayscale image tile map data and color image tile map data and providing the color tile map data to a user, in which the resolution of the color image tile map data transmitted from the server is variably controlled according to the network environment. | 06-07-2012 |
20120134373 | METHOD OF PACKETIZING ENCODED SYMBOLS AND APPARATUS USING THE SAME - Provided are a method of packetizing encoded symbols and an apparatus using the same. The method includes an encoded symbol and target packet selection step of deciding a first source symbol and selecting an unpacketized first encoded symbol and a target packet into which the unpacketized first encoded symbol is inserted if there is the unpacketized first encoded symbol of at least one first encoded symbol, which is an encoded symbol of the first source symbol generated using an AND-OR tree structure, and a packetization step of generating a second source symbol based on at least one unpacketized first encoded symbol by use of the AND-OR tree structure, generating at least one second encoded symbol based on the second source symbol by use of the AND-OR tree structure, and packetizing at least one of second encoded symbols into the target packet along with the first encoded symbol. | 05-31-2012 |
20120124902 | METHOD FOR CONTROLLING GREENHOUSE AND SYSTEM FOR THE SAME - A method for controlling a greenhouse, which can adaptively control a greenhouse depending on the kind of crop growing in greenhouse provided. System for controlling a greenhouse may comprise a greenhouse environment control information distribution device and a greenhouse control device. Greenhouse environment control information distribution device may comprise: information receiving unit for receiving information of a crop growing in a greenhouse, information of sensors mounted in greenhouse, and information of actuators; selection unit for selecting a sensor service and an actuator service, which correspond to received sensor information and actuator information, from a sensor service registry and an actuator service registry, respectively; mapping unit for mapping a sensor for providing selected sensor service to an actuator for providing selected actuator service; and distribution unit for extracting growth environment information from a database based on crop information and mapping information and distributing extracted information to greenhouse control device. | 05-24-2012 |
20120114834 | AUTOMATIC STAMPING METHOD AND APPARATUS BASED ON PRESS ROLLER AND PIN PRESS - An automatic stamping apparatus includes a conveyor for conveying a stamping object, a stamper for stamping a pattern and two-dimensional bar code information on the stamping object, a reader for reading the pattern and the two-dimensional bar code information, and an information processor for determining a pattern and two-dimensional bar code information to be stamped on the stamping object, controlling the stamper based on the determined pattern and two-dimensional bar code information, receiving the stamped pattern and two-dimensional bar code information of the stamping object read by the reader, comparing the received stamped pattern and two-dimensional bar code information with a pattern and two-dimensional bar code information to be stamped on the stamping object, thus verifying the accuracy of the stamping. | 05-10-2012 |
20120082026 | APPARATUS AND METHOD FOR PROTECTION SWITCHING FOR MESH TOPOLOGY - Provided are a shared mesh protection switching apparatus and method. The shared mesh protection switching apparatus includes a plurality of linear protection switching processors allocated to the linear protection domains respectively and configured to provide a switching report signal in response to fault occurrence in the corresponding linear protection domains or a linear protection switching operation, and perform a function of limiting use of the shared section in response to a provided lock signal, and a mesh protection switching processor configured to select at least one linear protection domain to be limited in use of the network resources of the shared section according to a predetermined reference when the switching report signal is provided and provide the lock signal to a linear protection switching processor corresponding to the at least one selected linear protection domain. | 04-05-2012 |
20120039200 | METHOD OF CHANNEL MANAGEMENT FOR MULTIPLE COMPONENT CARRIER IN MOBILE COMMUNICATION SYSTEM - Disclosed are channel management methods in a multicarrier structure in a mobile communication system. Uplink (UL) and downlink (DL) channel management methods in a carrier aggregation environment are used as the channel management methods. In DL, a base station determines a component carrier (CC) of an unstable radio channel state, stops data retransmission by the CC, and notifies a terminal of retransmission stop. In UL, the base station determines a CC of an unstable radio channel state and instructs the terminal to stop data retransmission by the CC, and the terminal stops the data retransmission and initializes a retransmission buffer. Using the channel management methods in the mobile communication system employing the multicarrier structure, an increase in the number of unnecessary retransmissions is prevented, so that unnecessary retransmission and power consumption of the terminal can be reduced and the waste of radio resources and the degradation of base station performance due to unnecessary retransmission can be prevented. | 02-16-2012 |
20110020002 | OPTICAL LINE TERMINAL, METHOD FOR OPERATING OPTICAL RECEPTION INTERFACE, AND METHOD FOR PROCESSING CONTINUOUS MODE SIGNAL OF OPTICAL LINE TERMINAL - An Optical Line Terminal (OLT) configuring a Passive Optical Network (PON) is provided. The OLT includes an optical transmitter that transmits an optical signal to Optical Network Units (ONUs) in a downstream direction, an optical receiver that includes general Continuous Mode (CM) signal processing elements to recover clocks and data from optical signals transmitted by ONUs in an upstream direction, and a controller that controls the ONUs such that the optical receiver continuously receives an optical signal. An OLT interface for receiving an optical signal can be implemented using the general CM signal processing elements. | 01-27-2011 |
20100223464 | PUBLIC KEY BASED DEVICE AUTHENTICATION SYSTEM AND METHOD - Provided is a public key based device authentication server including a server authenticator identifying a device in which a service list is registered and acquiring a certificate of the device issued by a certificate authority (CA); and an encryption key generator generating a public key and a private key for the device and transmitting to the device the public key, the private key and the certificate of the device. | 09-02-2010 |
20100191954 | METHOD AND APPARATUS FOR TRANSMITTING MESSAGE IN HETEROGENEOUS FEDERATED ENVIRONMENT, AND METHOD AND APPARATUS FOR PROVIDING SERVICE USING THE MESSAGE - Provided are a method and apparatus for transmitting a message in a heterogeneous federated environment, and a method and apparatus for providing a service according to the message. In the method of transmitting a message to an external domain in the heterogeneous federated environment, a service server of a domain creates a transmission message to be transmitted to the external domain and supplies it to a protocol interpretation unit of the domain. The protocol interpretation unit detects protocol information of the external domain, interprets the created transmission message based on the detected protocol information, and supplies the interpreted transmission message to the service server. The service server then supplies the interpreted transmission message to the external domain. Accordingly, two service servers in different domains with different protocol information can exchange messages with each other while guaranteeing security. | 07-29-2010 |
20100175096 | TRANSMISSION METHOD, TRANSMISSION APPARATUS, RECEPTION METHOD, RECEPTION APPARATUS OF DIGITAL BROADCASTING SIGNAL AND TRANSMISSION FRAME-FORM THEREOF - The present invention relates to a transmission method, a transmission apparatus, a reception method, and a reception apparatus of a digital broadcasting signal that can add frame header information to a front portion of a transmission frame in a transmission system for digital broadcasting to thereby determine a different transmission mode, modulation level, hierarchical modulation, error correction code, and the like for each temporally different transmission frame, and a transmission frame structure thereof. The transmission frame structure includes a frame header containing multiplexing information of the transmission frame, and a frame body containing data information associated with a service provided by the transmission frame. Also, the frame header may include a frame synchronization signal unit including synchronization signal information for extracting a start position of the transmission frame and a frame information unit including multiplexing information of data contained in the transmission frame. The multiplexing information denotes information associated with a transmission mode, a modulation level, a hierarchical modulation, and an error correction code of the data contained in the transmission frame. | 07-08-2010 |
20100074440 | HIGH-SPEED PIPELINED ARIA ENCRYPTION APPARATUS - There is provided a high-speed pipelined ARIA encryption apparatus. The high-speed pipelined ARIA encryption apparatus includes a round key generator for generating a plurality of round keys required for performing an encryption operation using a master key formed to have uniform bits, a plurality of round units whose number is in proportion to the number of times of round operations corresponding to the number of bit of an input value to receive the round keys and the input value and to perform the round operations, and a plurality of pipelined register provided between the round units to transmit the output value of a previous round unit as the input value of the next round unit. A plurality of round units are provided and pipelined registers are inserted between the round units so that it is possible to improve the performance of processing a large amount of data and to perform ARIA encryption at high speed. | 03-25-2010 |
20100031052 | LOW POWER HMAC ENCRYPTION APPARATUS - There are provided a low power SHA-1 hash algorithm apparatus having a low power structure and optimized to a trusted platform module (TPM) applied to a mobile trusted computing environment and a low power keyed-hash message authentication code (HMAC) encryption apparatus using the low power SHA-1 hash algorithm apparatus, the HMAC encryption apparatus including: a key padder padding key data for HMAC algorithm; an XOR operator XOR operating the padded key data and a padding constant; a data connector connecting a text to be encrypted, to data obtained by the XOR operating; a data padder padding the connected data; an SHA-1 hash algorithm part performing an SHA-1 hash algorithm on the padded data; a data selector selecting and applying one of a result of the SHA-1 hash algorithm and the text to be encrypted, to the data connector; and a controller controlling operations of the key padder, data connector, and data padder, a sequence of performing a hash algorithm of the SHA-1 hash algorithm part, and storing an operation result to read data required for performing an encryption operation and store data with memory. | 02-04-2010 |
20090315774 | APPARATUS FOR CORRECTING PHASE OF PHASED ARRAY ANTENNA AND METHOD THEREOF - Provided are an apparatus for correcting a phase of a phased array antenna and a method thereof. The apparatus for correcting a phase of a phased array antenna for receiving a radio signal, includes a phased array antenna for receiving radio signals from a reference antenna and combining power of the received radio signals, a power dividing unit for dividing the combined power of the received radio signals, a voltage detecting unit for detecting voltage values of the divided radio signals, and a phase controlling unit for estimating a phase error that makes the detected voltage value maximum and controlling a phase of each radiation element of the phased array antenna using the estimated phase error. | 12-24-2009 |
20090303871 | METHOD AND APPARATUS FOR PACKET AGGREGATION ACCORDING TO TRAFFIC CHARACTERISTICS - A method and apparatus for packet aggregation is provided. The apparatus for packet aggregation may include an upper layer management unit to generate a plurality of Media Access Control (MAC) Service Data Units (MSDUs) and traffic characteristic information of each of the plurality of MSDUs; a MAC layer management unit to determine a sequence number of each of the plurality of MSDUs based on the traffic characteristic information of each of the plurality of MSDUs, and to generate an aggregated MAC Protocol Data Unit (MPDU) based on the sequence number of each of the plurality of MSDUs; and a physical (PHY) layer management unit to transmit the aggregated MPDU to a destination. | 12-10-2009 |
20090154937 | APPARATUS FOR RESTORING CLOCK SIGNAL BY USING CIRCULATOR - Provided is an apparatus and method for restoring clock signals by using a circulator in an optical transmission system. The apparatus includes a circulator, which allows one of N types of input data signals having different transmission speeds to circulate in a single direction, band pass filters, which extract N types of clock frequency components respectively corresponding to each transmission speed of the N types of input data signals, and clock amplifiers, which amplify each of the N types of clock frequency components. | 06-18-2009 |
20090154479 | APPARATUS FOR MATCHING GIGABIT ETHERNET (GbE) SIGNALS WITH OPTICAL TRANSPORT HIERARCHY (OTH) - Provided is an apparatus for matching Gigabit Ethernet (GbE) signals to an Optical Transport Hierarchy (OTH). The apparatus real-time records a source address and input port information of GbE Ethernet frames in a memory, compares a destination address of the Ethernet frame which is a payload of a GFP frame with memory table information, searches an output port location of the GbE, and interreceives GbE frames and Generic Frame Procedure (GFP) frames by multiplexing/demultiplexing. | 06-18-2009 |
20090154471 | METHOD OF AND APPARATUS FOR PROCESSING VIRTUAL LOCAL AREA NETWORK TAG FRAME - Provided are a method of and apparatus for processing a virtual local area network (VLAN) tag frame. The apparatus includes a filtering data base (FDB) for storing a VLAN tag frame which is created by a gigabit passive optical network (GPON) master; an uplink processing unit for removing by referring to the FDB a VLAN tag from the VLAN tag frame which is received from the GPON master, and transmitting a data frame to an Ethernet switch; and a downlink processing unit for inserting by looking up the FDB a VLAN tag into the data frame which is received from the Ethernet switch, and then transmitting the data frame to the GPON master. According to the present invention, port identification (ID) information that is lost in a GPON master may be provided to a switch above the GPON master by using a VLAN tag frame processing technology. | 06-18-2009 |
20090154422 | METHOD OF PROVIDING SEAMLESS QOS GUARANTEES IN INTERNET PROTOCOL (IP) NETWORK WHEN IP-BASED MOBILITY SERVICE IS PROVIDED - Provided is a method of providing an Internet Protocol (IP)-based mobility service, particularly, a method of providing seamless quality of service (QoS) guarantees when an IP-based mobile service is provided. The seamless QoS management method includes: a method of providing seamless QoS guarantees when an Internet Protocol (IP)-based mobility service is provided, including: determining whether a terminal is newly registered in a network connecting unit; and providing QoS information of the newly registered terminal to the network connecting unit. Therefore, a user can successively receive a Service Level Agreement (SLA)-based service for which he or she subscribes, while moving to other places. | 06-18-2009 |
20090154394 | CALL CONTROL METHOD FOR SEAMLESS MOBILITY SERVICE - A call control method for an Internet Protocol (IP)-based mobility service is provided. The call control method for ensuring service continuity in a mobile communication service environment, includes: receiving a call signal message including permanent IP addresses and transport IP addresses from a transmitter terminal and a receiver terminal, and acquiring the permanent IP addresses and the transport IP addresses of the transmitter terminal and the receiver terminal; and performing call control between the transmitter terminal and the receiver terminal on the basis of the transport IP addresses and the permanent IP addresses of the transmitter terminal and the receiver terminal. Therefore, by interfacing with an IP multimedia subsystem (IMS) for controlling a Session Initiation Protocol (SIP)-based service, an IP mobility control apparatus for controlling mobility of a terminal when a call is controlled, and a network control apparatus for controlling a network, it is possible to prevent data transmission from being interrupted while the terminal is moving, thereby providing an IP-based seamless, high-quality service. | 06-18-2009 |
20090154368 | METHOD AND APPARATUS FOR MEASURING QoE GUARANTEED REAL-TIME IP-MEDIA VIDEO QUALITY - A method and apparatus for measuring the quality of a video provided in an IP network based media service is provided. The apparatus for measuring Quality of Experience (QoE) guaranteed real-time Internet Protocol (IP)-media video quality, includes: a receiver receiving a transmission video provided through an IP network service platform and an original video corresponding to the transmission video, and extracting frames of the transmission video and the original video; a detector comparing the frames of the transmission video and the original video in real time to obtain a difference between the frames of the transmission video and the original video and detecting a matching segment between the transmission video and the original video; and a measurement unit calculating a QoE parameter using the frames of the transmission video and the original video which correspond to the matching segment. | 06-18-2009 |
20090150987 | SYSTEM AND METHOD FOR CONFIGURING ENVRIONMENTS OF PRIVATE SYSTEM USING SMART CARD IN PUBLIC SYSTEM - Provided is a system and method for configuring environments of a private system using a smart card in a public system. The system includes a smart card that stores owner identification information, system-environment and work-environment information, private data, and payment information; a public system that authenticates a user of the smart card by using the owner identification information of the smart card and reconfigures a system and work environment similar to the private system to perform work continuously ; a service providing sever that provides an installation program or substitute program required for configuring the latest work environment of the user; and a payment server that pay a usage charge for the public system connected to the smart card. | 06-11-2009 |
20090150949 | METHOD OF PROVIDING CONTINUOUS STREAMING SERVICE USING IPTV AND APPARATUS THEREFOR - Provided are a method and an apparatus for providing a continuous streaming service using an Internet protocol television (IPTV). The method comprises: receiving a request for the streaming service to be provided continuously to a different terminal while the streaming service is being provided to one terminal; converting contents data that is being provided to the terminal into contents data which is to be provided to the different terminal based on subscription information and terminal information of the different terminal in response to the request from the different terminal; and providing the streaming service of the converted contents data continuously to the different terminal. Accordingly, the streaming service which is being provided to the terminal can be continuously provided to the different terminal in real-time. | 06-11-2009 |
20090150929 | METHOD AND APPARATUS FOR PROVIDING PERSONALIZED ADVERTISEMENTS IN INTERNET PROTOCOL TV (IPTV) SYSTEM - Provided are an apparatus and method for providing an advertisement service personalized for each user or for each group. The personalized advertisement providing method includes: a personalized advertisement providing method which is used in an Internet Protocol Television (IPTV) System, including: receiving at least one broadcasting program of a plurality of broadcasting programs classified according to a plurality of channels; and determining whether a present time is an advertisement broadcasting time, transmitting a received broadcasting program to a plurality of user terminals which selects a channel on which the broadcasting program is provided if the present time is not an advertisement broadcasting time, dividing the plurality of user terminals into a plurality of groups and transmitting an advertisement classified for each group to one or more user terminals belonging to the group if the present time is an advertisement broadcasting time. Therefore, it is possible to enhance use efficiency of bandwidths, to reduce restrictions related to installation, etc. of an apparatus for providing advertisement services, and to reduce the number of apparatuses that have to be installed, resulting in reduction of costs. | 06-11-2009 |
20090150146 | MICROPHONE ARRAY BASED SPEECH RECOGNITION SYSTEM AND TARGET SPEECH EXTRACTING METHOD OF THE SYSTEM - A microphone-array-based speech recognition system using a blind source separation (BBS) and a target speech extraction method in the system are provided. The speech recognition system performs an independent component analysis (ICA) to separate mixed signals input through a plurality of microphone into sound-source signals, extracts one target speech spoken for speech recognition from the separated sound-source signals by using a Gaussian mixture model (GMM) or a hidden Markov Model (HMM), and automatically recognizes a desired speech from the extracted target speech. Accordingly, it is possible to obtain a high speech recognition rate even in a noise environment. | 06-11-2009 |
20090148165 | OPTICAL FILTERING APPARATUS AND OPTICAL COMMUNICATION SYSTEM - Provided is an optical filtering apparatus which is applied to a Time Division Multiplexing Passive Optical Network (TDM-PON) based on a wavelength division multiplexing (WDM) method. The optical filtering apparatus includes: an optical signal distributing unit dividing an optical signal received from an optical line terminal into at least one optical signal with uniform output intensity, and distributing the at least one optical signal into at least one optical network unit; and a multiplexing unit combining a plurality of optical signals having different wavelengths received from the at least one optical network unit using a wavelength division multiplexing (WDM) method, and outputting the combined optical signal to the optical line terminal. Therefore, by using the optical filtering apparatus, it is possible to connect a large number of subscribers to an Optical Line Terminal (OLT) on a network such as Fiber To The Home (FTTH), thereby increasing efficiency in costs. | 06-11-2009 |
20090147790 | PACKET TRANSMISSION SCHEDULING METHOD IN WIRELESS NETWORK AND PACKET TRANSMISSION METHOD USING THE SAME - Provided are a packet transmission scheduling method in a wireless network and a packet transmission method using the same. The packet transmission scheduling method, includes storing location information and a path loss exponent of each node on a multiplexing path; calculating a Signal-to-Interference and Noise Ratio (SINR) between nodes on a predetermined path based on the stored location information; when the calculated SINR exceeds a threshold, forming the paths as a path table; and scheduling packet transmission based on the formed path table. | 06-11-2009 |
20090147759 | METHOD AND APPARATUS FOR SUPPORTING MOBILITY OF NODE USING LAYER 2/LAYER 3 ADDRESSES - Provided is a network-based mobility supporting method for supporting mobility of a node not having a mobility supporting function. The network-based mobility supporting method which is performed by a plurality of agents that connect a plurality of access networks to an Internet protocol core network integrating the plurality of access networks, includes: acquiring address information of a mobile node connected to an access point from the access point; transmitting the address information of the mobile node and layer 3 address information of an agent to a management unit which is located on the Internet protocol core network and manages the plurality of access networks, and registering a location of the mobile node; transmitting the layer 3 address information of the correspondent agent to the mobile node, in order to allow the mobile node to transmit a data packet to the agent; and receiving and transmitting the data packet between the mobile node and a correspondent node in consideration of the address information of the mobile node and information registered in the management unit. Therefore, it is possible to provide high-speed mobility to a mobile node. | 06-11-2009 |
20090147672 | PROTECTION SWITCHING METHOD AND APPARATUS FOR USE IN RING NETWORK - A protection switching method and apparatus for use in a ring network are provided. At least two switching request signals are received from a network device neighboring a link in which a failure occurs. A switching operation is performed in response to a first received signal of the at least two received switching request signals. When a network failure occurs, fast protection switching can be performed. | 06-11-2009 |
20090146724 | SWITCHING CIRCUIT FOR MILLIMETER WAVEBAND CONTROL CIRCUIT - Provided is a switching circuit for a millimeter waveband control circuit. The switching circuit for a millimeter waveband control circuit includes a switching cell disposed on a signal port path to match an interested frequency and including at least one transistor coupled vertically to an input/output transmission line and a plurality of ground via holes disposed symmetrically in an upper portion and a lower portion of the input/output transmission line; capacitors for stabilizing a bias of the switching cell; and bias pads coupled in parallel to the capacitor to control the switching cell. Therefore, the switching circuit may be useful to improve its isolation by simplifying its design and layout through the use of symmetrical structure of optimized switching cells without the separate use of different switch elements, and also to reduce its manufacturing cost through the improved yield of the manufacturing process and the enhanced integration since it is possible to reduce a chip size of an integrated circuit in addition to its low insertion loss. | 06-11-2009 |
20090135828 | INTERNET PROTOCOL TELEVISION (IPTV) BROADCASTING SYSTEM WITH REDUCED DISPLAY DELAY DUE TO CHANNEL CHANGING, AND METHOD OF GENERATING AND USING ACCELERATION STREAM - An Internet Protocol Television (IPTV) broadcasting system is provided. The IPTV broadcasting system includes: An Internet Protocol Television (IPTV) broadcasting system for reducing a display delay when a channel is changed, including: a stream transmitting apparatus receiving a broadcast channel stream, generating an acceleration stream from the broadcast channel stream, and transmitting the broadcast channel stream and the acceleration stream; and a set-top box receiving the broadcast channel stream and the acceleration stream from the stream transmitting apparatus, and reproducing a decoding stream, according to a type of a received frame in the broadcast channel stream and the acceleration stream. Therefore, it is possible to reduce a display delay when a channel is changed. | 05-28-2009 |
20090132635 | TERMINAL SHIFT MANAGEMENT SYSTEM AND METHOD THEREOF - The present invention relates to a terminal control system, and more particularly, to a system and a method which allows a user to shift an IP service from a terminal to which the service is currently provided to a user's other terminal, thereby enabling the user to continuously using the IP service without disconnection. The system comprises: an authentication authorization accounting (AAA) interface unit which receives unique information having fixed properties with respect to a terminal authenticated by a subscriber terminal authentication system and a user of the authenticated terminal; a terminal interface unit which receives status information having variable properties with respect to the authorized terminal and a currently used service; a unique information managing unit which stores and manages the unique information; a status information managing unit which stores and manages the status information; and a terminal shift management control unit which provides information regarding terminals available for the current service with reference to the unique information and the status information, when there is a terminal shift request, generates service session information which is required when the currently used service is sent to a terminal selected from the information and sends the generated service session information to the selected terminal to which the service is to be shifted. Accordingly, the user of the terminal can conveniently change the terminal to continuously use the IP service without disconnection while using the IP service. | 05-21-2009 |
20090129564 | METHOD AND SYSTEM FOR PUBLISHING PRESENCE INFORMATION AND PRESENCE AGENT - Provided are a method and system for publishing presence information and a presence agent. The method includes receiving a voice message input through a terminal by a user, parsing the received voice message and extracting presence information, and publishing the extracted presence information. According to the method, a user can easily and simply publish presence information without personally using an application program based on presence service. In addition, it is possible to dynamically publish or update presence information. | 05-21-2009 |
20090129455 | APPARATUS FOR AND METHOD OF AUTOMATICALLY CONTROLLING SKEW BETWEEN TRANSMITTED DATA - Provided is an apparatus for and method of automatically controlling skew between transmitted data, which is caused when a common low-speed field-programmable gate array (FPGA) transmits signals having a transmission rate in the range of tens of Gbps to an optical transponder. The apparatus and method can transmit data with a transmission rate of several Gbps irrespective of the type of the FPGA. | 05-21-2009 |
20090122194 | METHOD AND APPARATUS FOR REDUCING PICTURE - Provided are a method and apparatus for reducing picture, which can obtain a reduced picture by previously creating a picture reduction map that stores effective-pixel locations selected according to a picture reduction scale and a picture reduction algorithm, and then matching an input picture with the picture reduction map. The method for reducing picture includes constructing a picture reduction map according to a size of an incoming picture, and generating a sub-picture for reduction of an input picture by using the picture reduction map. | 05-14-2009 |
20090120865 | DISPOSABLE MULTI-LAYERED FILTRATION DEVICE FOR THE SEPARATION OF BLOOD PLASMA - Provided is a disposable multi-layered filtration device for the separation of blood plasma which can be applied to a biochip and appropriate for disposal uses. The filtration device for the separation of blood plasma includes: an upper substrate including a blood inlet; an intermediate substrate including a filtering unit for extracting blood plasma from blood flowing through the blood inlet; and a lower substrate including an air outlet, wherein the upper substrate, the intermediate substrate, and the lower substrate are stacked and adhered. | 05-14-2009 |
20090116848 | OPTICAL COMMUNICATION SYSTEM AND METHOD USING MANCHESTER ENCODED SIGNAL REMODULATION - An optical communication system and method using Manchester encoded signal remodulation are provided. The optical communication system includes a transmitter generating and transmitting a Manchester encoded optical signal including a first data stream, and a receiver receiving an optical signal obtained by dividing power of the Manchester encoded optical signal into two parts and modulating one of the two parts to include a second data stream, and recovering the second data stream. In two-way communication, the optical communication system and method allow one party to generate and transmit a Manchester encoded signal (i.e., a downstream signal) to the other party and allow the other party to generate an upstream signal by modulating the optical power of the downstream signal without using a light source. | 05-07-2009 |
20090113209 | BIOMETRIC AUTHENTICATION METHOD - Provided is a biometric authentication method. A biometric authentication method in accordance with an aspect of the present invention includes generating a first one-time authentication template from biometric information using one-time transform information, and requesting authentication, comparing the first one-time authentication template with a one-time registration template, updating the one-time registration template and the one-time transform information when authentication is achieved according to a result of the comparison, wherein the updated one-time transform information is used to generate a second one-time authentication template to be authenticated according to the result of the comparison with the updated one-time registration template when successive authentication is requested. | 04-30-2009 |
20090110061 | METHOD AND APPARATUS FOR PREDICTING VIDEO TRAFFIC - A method and apparatus for predicting video traffic are provided. The method includes extracting the statistical properties of previous Moving Picture Experts Group (MPEG)-4 video traffic and predicting the size of a subsequent frame based on the statistical properties of the previous MPEG-4 video traffic. Therefore, it is possible to address such problems associated with traffic bursts as transmission delays or low throughputs and thus to improve the performance of communication and network systems that transmit video traffic. | 04-30-2009 |
20090103922 | TDM/WDMA PASSIVE OPTICAL NETWORK DEVICE - Provided is a time division multiplex (TDM)/wavelength division multiple access (WDMA) passive optical network (PON) device. The TDM/WDMA PON device comprises a base station terminal, a wavelength splitter, and a subscriber terminal optical transceiver. The base station terminal comprises a transmitter time-division-multiplexing and simultaneously modulating and outputting a plurality of different wavelength optical signals, an optical circulator transmitting the optical signals output from the transmitter to an optical distribution network and transmitting optical signals received from the optical distribution network to a receiver and the receiver demultiplexing wavelength division multiplexed upstream signals from the optical distribution network through the optical circulator, converting the demultiplexed upstream signals into a plurality of electrical signals, and delivering the electrical signals to an upper layer. The wavelength splitter splits the downstream signals from the base station terminal to subscriber ports corresponding to wavelengths and multiplexes the optical signals received from each of the subscriber ports to the base station terminal. The subscriber terminal-optical transceiver receives the downstream signals from the wavelength splitter and reuses the received downstream signals as optical sources for upstream signals. | 04-23-2009 |
20090080892 | NETWORK APPARATUS AND METHOD FOR GUARANTEEING ROLE OF OPTICAL SUPERVISORY CHANNEL - A network node and method for guaranteeing the role of an optical supervisory channel (OSC) in an optical transport network (OTN) are provided. In the network node, at least two OSC units are multiplexed, one of the OSC units is set as a main unit, the other OSC unit is set as an auxiliary unit; and the auxiliary unit is activated when the main unit cannot be operated. Thereby, the network node can guarantee the stable role of the OSC. | 03-26-2009 |
20090080778 | PATTERN RECOGNITION METHOD AND APPARATUS FOR DATA PROTECTION - Provided a secure pattern recognition method. The method includes: receiving data and generating a probe by converting the received data into a template for pattern recognition; accessing a gallery that is a template registered and stored in advance; determining a region to which the probe belongs and obtaining the center point of the region; obtaining a hash value of the center point and coordinate of the probe; and determining whether or not the hash value of the center point and a hash value stored in the gallery are equal and determining whether or not the probe and the gallery are classified into the same class by calculating whether or not the coordinate of the probe is inside a decision boundary configured with thresholds on the basis of the coordinates of the center point. | 03-26-2009 |
20090079822 | APPARATUS AND METHOD FOR AUTOMATICALLY CONTROLLING POWER OF VIDEO APPLIANCE - Provided is an apparatus and method for automatically controlling power of a video appliance. The apparatus for automatically controlling power of a video appliance includes an image input unit for capturing a viewer's posture, a posture detection unit for detecting posture information from the image captured by the image input unit, a horizontal-level calculation unit for calculating a horizontal level by using the posture information detected by the posture detection unit and comparing the calculated horizontal level with a preset reference horizontal level, an alert-sound output unit for outputting an alert sound corresponding to the horizontal level compared by the horizontal-level calculation unit; and a power-signal transceiver unit for outputting a power-off signal to the video appliance corresponding to the horizontal level compared by the horizontal-level calculation unit. Accordingly, upright posture of viewers watching the video appliance can be ensured since a viewer's posture is detected and power of the video appliance is automatically controlled according to the detected posture. | 03-26-2009 |
20090060504 | APPARATUS AND METHOD FOR PROTECTION SWITCHING OF OPTICAL CHANNEL - An apparatus and method for protection switching of an optical channel at each node in an optical network based on wavelength division multiplexing optical transmission technology are provided. The method can be applied to any node having at least two optical fiber inputs and outputs. The apparatus includes: a splitter receiving an electrical signal and splitting the received electrical signal into a plurality of electrical signals which are substantially identical to the received electrical signal; an output switching unit selecting output paths of the electrical signals split by the splitter according to an optical channel path control command of the optical network; and a plurality of optical transponders being assigned to the respective output paths of the electrical signals, converting the electrical signal input by the selection of the output switching unit to an optical signal, and transmitting the converted optical signal to another node of the optical network. | 03-05-2009 |
20090060499 | APPARATUS AND METHOD FOR MONITORING QUALITY OF OPTICAL SIGNAL - An apparatus and method for monitoring quality of an optical signal in an optical network based on wavelength division multiplexing optical transmission technology are provided, which are capable of monitoring the quality of an optical signal with higher accuracy. The apparatus includes: a signal extractor extracting an optical signal having a specific wavelength from input optical signals; an optical-electrical converter converting the extracted optical signal having the specific wavelength into an electrical signal; an overhead parser extracting a part of an overhead of the electrical signal to parse whether or not the quality of the signal is degraded; and a controller monitoring the quality of the optical signal according to the parsing result of the extracted overhead and restoring the optical signal whose quality is lower than a predetermined reference value. | 03-05-2009 |
20090046904 | FINGERPRINT RECOGNITION APPARATUS AND METHOD - Provided are a fingerprint recognition apparatus and method which are capable of protecting registered fingerprint data and recognizing a fingerprint more quickly and accurately. In the fingerprint recognition apparatus, a fingerprint image generator generates fingerprint image data of an input fingerprint, and a memory stores registration fingerprint data for authentication. In a registration mode, a fingerprint recognition processor transforms the fingerprint image data into the irreversible registration fingerprint data using a specific transformation scheme, and stores the transformed registration fingerprint data. In an authentication mode, the fingerprint recognition processor transforms the fingerprint image data into comparison fingerprint data using the specific transformation scheme, compares whether the comparison fingerprint data is identical to the registration fingerprint data, and controls the authentication process according to the comparison result. | 02-19-2009 |
20090046745 | APPARATUS FOR TRANSMITTING AND RECEIVING DATA WITH VARIOUS DATA CAPACITIES AT HIGH SPEED - There is provided an apparatus for transmitting and receiving data with various data capacity at high speed. The apparatus for transmitting and receiving data includes a client signal interface block converting client signals being received through media into a high-capacity electrical signal and selectively interfacing the converted high-capacity electrical signal through high-speed multi-channel; a framer receiving the selectively interfaced electrical signal from the client signal interface block and multiplexing and mapping the received electrical signal into 40 G multi-channel frame signals; and a SERDES & transceiver receiving the 40 G multi-channel frame signals from the framer, multiplexing the received multi-channel frame signals with the 40 G serial signals and transmitting the multiplexed 40 G serial signals. The apparatus for transmitting and receiving data may be useful to decrease its space and stably receive client signals by selectively interfacing various client signals with replacing the client signal interface blocks only, depending on the client signals to be supplied to the same transmitting/receiving apparatus. | 02-19-2009 |
20090043858 | METHOD AND SYSTEM FOR PROVIDING INSTANT MESSENGER BASED PERSONAL BROADCASTING SERVICE - A method for providing an IM (Instant Messenger) based personal broadcasting service includes when a lower node in a first group requests an upper node in the first group to transmit a broadcasting content, transmitting, at the upper node in the first group when a lower node in first group requests an upper node in the first group to transmit a broadcasting content, the broadcasting content to the lower node in the first group, and transmitting, at the lower node in the first group that receive the broadcasting content, the broadcasting content to a lower node in a second group where the lower node in the first group operates as an upper node. | 02-12-2009 |
20090034987 | WIDEBAND ELECTRIC SIGNAL MIXER AND OPTICAL TRANSMITTER USING THE SAME - There are provided a wideband electric signal mixer capable of mixing two inputted electric signals having a wideband frequency spectrum. The wideband electric signal mixer includes an input terminal controlling an input interface and a phase of a differential signal of a first electric signal and a second electric signal, having a wideband spectrum; a signal mixing terminal comprising a transmission gate switch receiving and outputting the second electric signal and mixing the first electric signal with the second electric signal by turning the transmission gate switch on and off using the differential signal of the first electric signal passing through the input terminal; and an output terminal providing an output interface between a mixing signal outputted from the signal mixing terminal and an external circuit unit and amplification function of the mixing signal. | 02-05-2009 |
20090016719 | OPTICAL TRANSPONDER INTERFACING MULTIPROTOCOL SIGNAL AND METHOD OF INTERFACING MULTIPROTOCOL SIGNAL - Provided are an optical transponder that interfaces a multiprotocol signal and a method of interfacing a multiprotocol signal. The optical transponder includes: an optical transceiver, which optical/electrical converts and multiplexes/demultiplexes an input signal; a reception clock generator, which generates a clock on a reception path; a transmission clock generator, which generates a clock on a transmission path; an optical transport hierarchy (OTH) framer, which processes an OTH signal when the input signal is the OTH signal; a synchronous digital hierarchy (SDH)/synchronous optical network (SONET) framer, which processes an SDH/SONET signal or a gigabit Ethernet (GbE) when the input signal is the SDH/SONET signal or the GbE signal; and a controller which controls the optical transceiver, the reception clock generator, the transmission clock generator, the OTH framer, and the SDH/SONET framer according to the type of the input signal. Accordingly, one optical transponder can receive various types of protocol signals, and thus different optical transponders are not separately required according to a type of a connected signal. | 01-15-2009 |
20090013181 | METHOD AND ATTESTATION SYSTEM FOR PREVENTING ATTESTATION REPLAY ATTACK - Provided are a method and an attestation system for preventing an attestation replay attack. The method for preventing an attestation replay attack in an attestation system including an attestation target system and an attestation request system, the method including: measuring associated components when an event that affects the integrity of the attestation target system occurs; perceiving own identity information and verifying the perceived identity information; extending the measured component and the identity information into a register and logging the measured component and the identity information; generating an attestation response message including values of the log and the register when an attestation request message is received from the attestation request system; and transmitting the generated attestation response message to the attestation request system. Therefore, the method and an attestation system may be useful to provide an additional simple mathematical operation in verifying an attestation message by preventing an attestation replay attack, and thus to minimize performance degradation in the attestation system, compared to the conventional attestation processing mechanisms. | 01-08-2009 |
20080317466 | MULTI-RING NETWORK OPERATING METHOD AND SYSTEM - Provided is a multi-ring network operating method of cross-connecting at least two ring networks, the method including connecting an input working ring and an input protection ring of a ring network to an output working ring and an output protection ring of another ring network and then performing cross-connection between the same or different ring networks by using a multi-dimensional cross-connect apparatus. In the multi-ring operating method, a plurality of ring networks can be connected regardless of the protection method used by the ring networks, and the original protection method of each ring network can remain after they are connected. | 12-25-2008 |
20080313253 | OPERATION CIRCUIT FOR MODIFIED EUCLIDEAN ALGORITHM IN HIGH-SPEED REED-SOLOMON DECODER AND METHOD OF IMPLEMENTING THE MODIFIED EUCLIDEAN ALGORITHM - Provided are an operation circuit for a modified Euclidean algorithm in a high-speed Reed-Solomon (RS) decoder and a method of implementing the modified Euclidean algorithm. Since a finite state machine (FSM) for generating a stop signal and an FSM for generating a control signal that controls a swap operation, a shift operation, and a polynomial operation for each basic cell of the modified Euclidean algorithm are used, an area-efficient RS decoder can be realized without using a conventional degree computation unit for comparing and calculating degrees. | 12-18-2008 |
20080307529 | Method and Apparatus for Protecting Internet Privacy - A method of protecting personal information on the Internet, and an apparatus thereof are provided. The method includes: sensing transmission through the Internet of personal information of a user; detecting information on a website that is the destination of the sensed transmission of the personal information; comparing information on the detected website with a personal information protection policy; and permitting or blocking the transmission of the personal information according to the comparison result. According to the method, in order to minimize leakage of personal information from a website, when user information is input to the website, providing of the personal information is controlled based on information on whether or not the website is reliable in terms of personal information protection such that providing of the personal information to a dangerous website can be prevented, and possible damage by leakage of personal information can be prevented in advance. Also, in order to prevent phishing, that is, obtaining user's personal information through a fake website having an appearance similar to a famous website, the method helps the user identify a fake website such that possibility of phishing can be minimized. | 12-11-2008 |
20080298260 | OPERATIONAL STATUS TESTING APPARATUS AND METHOD FOR ETHERNET-BASED AUTOMATIC PROTECTION SWITCHING PROCESS - Provided is an operational status testing apparatus and method for an Ethernet-based APS process. A test command signal which contains a command to perform an operational test for the APS process of a first node and a second test response signal that indicates that the operation of the APS process of a second node is performed normally, from among far end request signals that are received from the second node connected to own first node via an Ethernet network, are filtered. When the far end request signals are test command signals, a first test response signal that indicates that the operation of the APS process of the first node is performed normally is generated, and a top priority local request signal is selected based on priorities of the first test response signal and at least one local request signal that indicates the status of the APS process of the first node, and an output signal to be transmitted to the second node is determined based on priorities of the top priority local request signal and the filtered the far end request signal. The function for testing the operational status for the APS process defined in ITU-T recommendation G.8031 is embodied, and when an operational status test request is received from another node, the APS process can be tested effectively without having to perform a complicated diagnosis operation for the APS process. | 12-04-2008 |
20080294896 | Method and System for Transmitting and Receiving User's Personal Information Using Agent - A method and system for transmitting and receiving user's personal information using an agent are provided. An information management server managing user's personal information provides an agent including user's personal information in response to a user's personal information request message from a client. A client receives the agent and requests user's personal information from the agent. Then, the agent determines whether the client is authorized and provides the user's personal information to the client when it is determined that the client is authorized. Accordingly, the user's personal information is safely managed and transmitted. | 11-27-2008 |
20080280626 | Method for Providing Location-Based Service Using Location Token - Provided is a method for providing a location-based service using a location token. The method includes the steps of: a) receiving an encrypted token message including constraints for location information access from a terminal; b) decoding and storing the transmitted token message in a token database; c) creating a location token accessible to the transmitted token message and transmitting the location token to the terminal; d) extracting a token message number in the location token transmitted from a location-based service server, checking constraints of a user and updating an exception list; and e) acquiring location information of the terminal and transmitting the location information to the location-based service server. | 11-13-2008 |
20080273499 | Packet Forwarding Method, Path Reconstrucitng Method and State Transition Method For Avoiding Packet Loss During Handover - Provided is a method of packet forwarding over partial mesh network to avoid packet loss during handover. The method includes: based on first trigger information of a layer 2 obtained when a mobile node (MN) moves from a domain of a currently connected first BS to another domain, expecting a second BS of the domain to which the MN moves; if the first BS acquires second trigger information of the layer 2 indicating a disconnection between the first BS and the MN, forwarding packets destined for the MN to the second BS through the links; and if the second BS buffers the packets forwarded from the first BS and third trigger information of the layer 2 indicating a connection between the second BS and the MN, transferring the buffered packets to the MN. | 11-06-2008 |
20080267074 | METHOD OF SETING QoS PACKET FLOW AND HANDLING QoS PACKET IN PACKET SWITCHING SYSTEM - Provided is a method of setting a QoS packet flow and processing a QoS packet for providing a QoS service. In the method of setting a QoS packet flow in the packet switching system, whether there are VOQs that are not pre-allocated is determined in response to a QoS packet flow setting request. If there are no VOQs that are not pre-allocated, it is determined whether there are VOQs that have not been used for a predetermined period. If there are VOQs that have not been used for the predetermined period, one of the VOQs is selected. Thereafter, an inactive state of a flow using the selected VOQ is indicated and QoS parameters set for the flow are released. Therefore, metro Ethernet services such as E-LINE and E-LAN can be provided in an Ethernet network and custom QoS services such as Diff Serv and ACL can be provided in an IP network. Also, limited resources can be efficiently used and thus costs can be reduced. | 10-30-2008 |
20080253333 | Call Admission Control Method for Use in Packet Based Communication System - Provided is a call admission control method for use in a packet based communication system, which can secure a handoff and a quality of service (QoS) by discriminating a new call and a handoff call and borrowing a shared bandwidth, a reserved bandwidth, and a bandwidth of other service according to kinds of services and their characteristics. The call admission control method includes the steps of: a) dividing frequency band into a reservation band and a shared band for communication service handoff call and multicast service handoff call, and determining whether a call admission request of users is a new call or a handoff call; b) when the call admission request is the new call, determining whether to accept the call admission request by allocating the shared band and a band borrowed from other service; and c) when the call admission request is the handoff call, determining whether to accept the call admission request by allocating the shared band, the reserved band, and the borrowed band according to services and bandwidth resources. | 10-16-2008 |
20080224801 | Digital Attenuation Apparatus Having Ultra Broadband and Excellent Attenuation Characteristics - Provided is a digital attenuation apparatus having ultra broadband and excellent attenuation characteristics. The digital attenuation apparatus includes an input port, an output port, a first transmission line, a second transmission line, a first switching device, a third transmission line, a first resistive element, a second resistive element, a fourth transmission line, a second switching device, a fifth transmission line, and a third resistive element. | 09-18-2008 |
20080224717 | SUSPENDED NANOWIRE SENSOR AND METHOD FOR FABRICATING THE SAME - Provided is a suspended nanowire sensor having good sensing characteristics and suitable for mass production, a method for fabricating the suspended nanowire sensor. The suspended nanowire sensor includes: first and second sensor electrodes formed on upper portions of a substrate and physically separated from each other; and a nanowire sensor material piece extending from the first sensor electrode to the second sensor electrode and physically suspended between the first and second sensor electrodes. | 09-18-2008 |
20080217610 | THIN FILM TRANSISTOR HAVING N-TYPE AND P-TYPE CIS THIN FILMS AND METHOD OF MANUFACTURING THE SAME - Provided is a thin film transistor (TFT) which uses CIS (CuInSe | 09-11-2008 |
20080217547 | ELECTRO-MEDICAL IMAGING APPARATUS HAVING CHALCOGEN-THIN FILM TRANSISTOR ARRAY - Provided is an electro-medical imaging apparatus manufactured using a thin film transistor (TFT) array including chalcogen-based semiconductor elements that can generate and store an electric signal from an X-ray signal so as to be able to replace a traditional film type X-ray reader. The electro-medical imaging apparatus includes: a signal generating unit where electron-hole pairs are formed by absorbing an optical energy irradiated from outside; a power source connected to a surface of the signal generating unit and applies an electric signal so as to separate the electron-hole pairs to be accumulated each in opposite sides of the signal generating unit according to their polarities; a signal storage unit that is in contact with the signal generating unit and receives and stores one of the separated charges; and a signal converter that is in contact with the signal storage unit and applies a control signal to the signal storage unit in order to convert an electric signal, which generated by the charges stored in the signal storage unit, into an image signal. The signal generating unit may use amorphous selenium (a-Se), which is one of chalcogen materials, or CdTe or CdZnTe which is a compound material using chalcogen. Also, the signal storage unit may include a TFT array including Ge | 09-11-2008 |
20080204242 | Apparatus and Method for Preventing Loss of Baggage Using Rfid - Provided is an apparatus and method for preventing air baggage from getting lost using a radio frequency identification (RFID) system. The apparatus for preventing baggage from getting lost, change, or stolen in which a baggage tag storing baggage management information is attached to the baggage and a receipt tag storing the baggage management information is issued to a baggage owner, the apparatus includes: a tag reader reading the receipt tag and the baggage tag in a predetermined area; and a determiner determining whether the tag reader reads the receipt tag including the same baggage management information as the baggage management information of the baggage tag within a predetermined time before and after the tag reader reads the baggage tag. As a result, air baggage is quickly and exactly managed, costs is reduced, and foreign confidence of an airport is increased, thereby preventing baggage from getting lost and exchanged. | 08-28-2008 |