Abstract: An apparatus and method for blocking abnormal communication are disclosed herein. The apparatus for blocking abnormal communication includes a packet collection unit, a packet analysis unit, and an access control unit. The packet collection unit collects a packet via a network device. The packet analysis unit generates a system rule, a communication flow rule, and a packet characteristic rule based on the packet from the packet collection unit. The access control unit determines whether to block the packet by determining whether the packet from the packet collection unit satisfies the system rule, the communication flow rule and the packet characteristic rule.

Abstract: Provided is a BrushLess Direct Current (BLDC) motor system including a motor driving circuit configured to control a pulse-width-modulation (PWM) inverter in a first operation mode or a second operation mode according to a control signal, and output a switching signal according to each operation mode, the PWM inverter configured to receive the switching signal to output first three-phase voltages having a first frequency in the first operation mode, and output second three-phase voltages having a second frequency in the second operation mode, a sensorless BLDC motor configured not to operate in the first operation mode by operating based on three-phase voltages having a frequency in a different band from the first frequency, and operate in the second mode by operating based on three-phase voltages having a frequency in an identical band to the second frequency, and a parameter detecting circuit configured to calculate parameter information on the sensorless BLDC motor in the first operation mode by using sens

Abstract: A method of processing a super resolution image using adaptive preprocessing filtering and/or postprocessing filtering is provided. A provided image processing apparatus may determine a preprocessing filter and a postprocessing filter based on frames included in a reference interval among a plurality of intervals in an input video, may perform filtering on the frames in the reference interval based on the preprocessing filter, may reconstruct a high frequency signal of each of the frames on which the filtering is performed, and may perform filtering on the frames, each having the reconstructed high frequency signal, based on the postprocessing filter.

Abstract: Provided is a network access management method of a terminal, the method including determining whether a terminal located adjacent to a railway dedicated wireless communication network is a common terminal or a railway dedicated terminal, based on a unique identifier (ID) of the terminal, and handing over the terminal to a different communication network allowing an access based on a result of the determining.

Abstract: A method for detecting an abnormal traffic on a control system protocol, includes: checking whether session information exists in a management table; adding a new entry to the management table; checking whether a transaction ID in a table entry is the same as that of the received MODBUS request message; and checking whether data and length thereof of the received MODBUS request message are the same as those in the table entry. Further, the method includes detecting an abnormal traffic; and updating the table entry with packet information of the MODBUS request message.

Abstract: A method and apparatus for encoding a constant amplitude that is applied to a code division multiplexing communication system are provided. By dividing a data bit into a block unit, the receiving side can easily determine an error, and by reducing power consumption in outdoor wide area communication using a bit string of a small length in a basic unit of an input frame, efficiency can be improved, and thus a physical layer of a ubiquitous sensor network can be optimized.

Abstract: Provided are touch screen panels with improved transmittance and methods of fabricating the same. the method may include preparing a substrate including a cell region and an interconnection region provided around the cell region, sequentially forming a first buffer layer and a second buffer layer on the substrate, the second buffer layer having a refractive index less than that of the first buffer layer, and forming a transparent electrode on the second buffer layer. The second buffer layer is formed of a SiOC material.

Abstract: The method for redundancy of a wireless communication network according to the embodiment of the present invention includes: partitioning the same frequency band of a first base station transceiver subsystem and a second base station transceiver subsystem, which form redundant cell coverage, into a plurality of resource blocks; partitioning each of the partitioned resource blocks into a first frequency partition (FP) and a second frequency partition which are configured to have the same structure as each other; and transmitting and receiving, by the first base station transceiver subsystem, data using a first resource block allocated to the first frequency partition and by the second base station transceiver subsystem, data using a second resource block allocated to the second frequency partition.

Abstract: Provided is a signal transmission device including a first modulation unit generating a first modulated signal having at least three logic levels by modulating an input signal; a characteristic adjustment unit generating an adjusted first modulated signal by adjusting the at least one of electrical characteristic values based on an adjustment signal; a second modulation unit generating a second modulated signal by modulating the adjusted first modulated signal; and an adjustment operation unit generating the adjustment signal based on electrical characteristic values respectively corresponding to the at least three logic levels of the first modulated signal and corresponding to at least three logic levels of the second modulated signal. Linearity of the modulated signal generated by the provided signal transmission device is enhanced.

Abstract: Disclosed is a dual display device having a vertical structure, in which a reflective display device and a self-emissive display device are formed on one substrate in a vertical structure so as to enable a reflective display or a self-emissive display according to a situation and provide a high resolution display. The dual display device having a vertical structure includes: a thin film transistor formed on a substrate; a white light emitting device formed on the thin film transistor: a reflection adjusting layer formed on the white light emitting device; and a color converting layer formed on the reflection adjusting layer.

Abstract: A time and space-deterministic task scheduling apparatus and method using a multi-dimensional scheme are disclosed. The time and space-deterministic task scheduling apparatus includes a preparation list generation unit and a task insertion unit. The preparation list generation unit generates a preparation list, including a preparation table having an array structure configured to have each bit formed of a binary number indicative of a priority of a task, and also including a preparation group cluster configured to include a plurality of preparation groups, each including bits corresponding to the respective binary numbers of the preparation table, and to have an upper and lower dimension relationship between the plurality of preparation groups. The task insertion unit performs bit masking on the preparation group cluster and the preparation table corresponding to a task P having a specific priority and thus inserts the task into the preparation group cluster and the preparation table.

Abstract: Disclosed herein is a location correction apparatus and method. The location correction apparatus includes a reference object search unit for searching a pre-stored geographic object database (DB) for one or more objects corresponding to objects included in a captured image and setting a reference object to be used to correct a location among the one or more objects that have been found. A reference point extraction unit sets reference points from the set reference object. A location determination unit obtains an actual distance between the reference points and calculates a location using the actual distance, a distance between the reference points included in the captured image, and metadata of the captured image. Therefore, the present invention can improve positioning accuracy and can be applied to high-quality location-based services or space information services thanks to the improved accuracy.

Abstract: A sensor network includes: a network coordinator that broadcasts a first beacon frame; a sensor device that receives a frame from the network coordinator or transmits a frame to the network coordinator; and at least one repeater that relays the frame of the network coordinator to the sensor device or relays the frame of the sensor device to the network coordinator and that broadcasts a second beacon frame that is synchronized with the first beacon frame, wherein the sensor device is synchronized with the second beacon frame to transmit/receive the frame, the cyclic-superframe includes a plurality of slotted-superframes corresponding to the first beacon frame and the second beacon frame, and the network coordinator, the sensor device, and the repeater operate in a periodically repeated cyclic-superframe structure.

Abstract: The present invention relates to an apparatus for processing an MPEG Media Transport (MMT) signaling message. As the apparatus for processing an MMT signaling message according to an embodiment, an MMT receiving device includes a context information measurement unit for measuring network context information to be reported to an MMT sending device. A Reception Quality Feedback (RQF) message generation unit sets a valid field indication value and a measured value for the network context information in an RQF message. An RQF message sending unit transmits the RQF message to the MMT sending device.

Abstract: Provided are a large-area nano-scale active printing device, a fabricating method of the same, and a printing method using the same. The printing device may include a substrate, first interconnection lines extending along a first direction, on the substrate, an interlayered dielectric layer provided on the first interconnection lines to have holes partially exposing the first interconnection lines, second interconnection lines provided adjacent to the holes in the interlayered dielectric layer to cross the first interconnection lines, and wedge-shaped electrodes provided at intersections with the first and second interconnection lines and connected to the first interconnection lines. The wedge-shaped electrodes protrude upward at centers of the holes.

Abstract: Provided is a method and apparatus for generating a side information bitstream of a multi-object audio signal. The apparatus for generating a side information bitstream of a multi-object audio signal includes a spatial cue information input unit configured to receive spatial cue information generated in an encoder of the multi-object audio signal, a preset information input unit configured to receive preset information for the multi-object audio signal, and a side information bitstream generator configured to generate the side information bitstream based on the spatial cue information and the preset information. The side information bitstream includes a header region and a frame region, and the preset information is included in the frame region.

Abstract: An audio metadata providing apparatus and method and a multichannel audio data playback apparatus and method to support a dynamic format conversion are provided. Dynamic format conversion information may include information about a plurality of format conversion schemes that are used to convert a first format set by an author of multichannel audio data into a second format that is based on a playback environment of the multichannel audio data and that are each set for corresponding playback periods of the multichannel audio data. The audio metadata providing apparatus may provide audio metadata including the dynamic format conversion information. The multichannel audio data playback apparatus may identify the dynamic format conversion information from the audio metadata, may convert the first format of the multichannel audio data into the second format based on the identified dynamic format conversion information, and may play back the multichannel audio data in the second format.

Abstract: There are provided a method for processing an exceptional case of establishing a default bearer and a device therefor in order to solve a problem in that a user equipment cannot actually receive an IP service by accessing a packet network while failing in establishing the default bearer in a mobile communication system. A method for processing an exceptional case of establishing a default bearer in a mobility management entity includes: receiving a network attachment request from a user equipment; transmitting a network attachment acceptance including an activation request of the default bearer to the user equipment in response to the network attachment request; and cancelling a network attachment procedure when a completion response to the activation request of the default bearer is not received from the user equipment within a predetermined time.

Abstract: A method provides an identifying OFDM communication signal using OFDM symbol estimation. In view of the above, the present invention provides an apparatus and method for identifying an OFDM communication signal using an OFDM symbol estimation, which is capable of analyzing the OFDM signal with a high accuracy in a cognitive radio technique, thereby identifying the OFDM signal from a heterogeneous communication signal.

Abstract: Disclosed are an apparatus for extracting an image object in a 3D image system and a method thereof. The apparatus for extracting an image object in a 3D image system includes: an image inputting unit receiving an image; a space setting unit setting virtual space at which the image object is positioned from the received image; and an object extracting unit extracting the image object from the set virtual space from the received image.