Abstract: Provided is an apparatus and method for transmitting a multi millimeter wave, which can minimize signal interference and crosstalk between devices using millimeter waves as transmission frequencies. The apparatus includes a scanner, a physical layer controller and a physical layer. The scanner searches for a peripheral communication environment. The physical layer controller selects a transmission mode from the physical layer based on the peripheral communication environment searched by the scanner. The physical layer has a plurality of transmission modes and outputs a millimeter wave to an outside through an antenna in the transmission mode selected under a control of the physical layer controller.

Abstract: An apparatus for recognizing multi-user interactions includes: a pre-processing unit for receiving a single visible light image to perform pre-processing; a motion region detecting unit for detecting a motion region from the image to generate motion blob information; a skin region detecting unit for extracting information on a skin color region from the image to generate a skin blob list; a Haar-like detecting unit for performing Haar-like face and eye detection by using only contrast information from the image; a face tracking unit for recognizing a face of a user from the image by using the skin blob list and results of the Haar-like face and eye detection; and a hand tracking unit for recognizing a hand region of the user from the image.

Abstract: An optimization system that minimizes a radio link failure may be provided. In the optimization system, a base station may include a measured data collecting unit to collect wireless environment data measured by a terminal included in a cell, a threshold managing unit to manage a threshold value associated with a radio link failure in a wireless section, an analyzing unit to manage a variable associated with a radio link failure, and to analyze a cause of the radio link failure, and a parameter changing unit to change a parameter value based on an analysis result of the analyzing unit.

Abstract: Disclosed herein are a location tracking apparatus and method. The location tracking apparatus includes a head tracking unit, and a pointer tracking unit. The head tracking unit extracts a location, 3DOF and orientation of a head of a user by capturing the user from a screen on which a game is displayed using a first webcam and tracks the user's gaze based on the results of the extraction. The pointer tracking unit tracks a point indicated by a laser pointer projected onto the screen by capturing the screen using a second webcam, and designates the tracked point as cross hairs corresponding to a target to be shot at. The head tracking unit and the pointer tracking unit tracks the user's gaze and the point simultaneously.

Abstract: Disclosed is an optical line terminal device which includes a media access control (MAC) block configured to convert Ethernet packets and port identifiers into a downstream frame or an upstream frame into the Ethernet packets and the port identifiers; and a central processing unit (CPU) configured to control the MAC block, wherein the MAC block includes a traffic monitoring part which is configured to receive the port identifiers and to provide identifier information of an optical network device according to the port identifiers; and wherein the CPU is configured to generate a control frame for controlling a power supplied to the optical network device, according to identifier information of the optical network device.

Abstract: A multi-channel audio signal transmitting apparatus of the present invention includes an encoding unit configured to encode a predetermined audio signal and a controller configured to transmit the encoded audio signal to a predetermined device based on an HDAI (high definition audio interface) protocol.

Abstract: A device for controlling an LED lighting in an LED lighting control system including a plurality of LED lightings which are connected via a network is provided. A lighting data receiver receives a first lighting control signal and extracts first lighting control data for the LED lighting from the first lighting control signal including a confirmation code. A verifier verifies the first lighting control data based on the confirmation code, and an error processor records error information when the verifier fails to verify the first lighting control data. A driving signal processor converts the first lighting control data to a driving signal when the verifier succeeds to verify the first lighting control data. An LED driver controls lighting of an LED light source based on the driving signal.

Abstract: Disclosed herein are a context-aware method and apparatus. In the context-aware method, distance data is collected using a distance sensor. Thereafter, image data is collected using an image sensor. Thereafter, the distance data and the image data are fused with each other, and then context awareness is performed. Thereafter, safe driving management is performed based on the fusion of the data using the results of the context awareness.

Abstract: Provided is a radio channel measurement apparatus including: a multiple-antenna system including at least two antennal elements; a single-path processor; and a multiple-path processor to partition the at least two antenna elements into a predetermined number of groups, to sequentially amplify signals received through the at least two antenna elements for each group, and to sequentially output the amplified signals to the single-path processor.

Abstract: A fast matching system for a digital video is provided. The fast matching system includes a video feature point extractor for extracting feature points of video frames of a digital video when the digital video is input, a feature point index mapper for receiving the video feature points from the video feature point extractor and configuring an index table by mapping the video feature points to a plurality of indices, a video feature point database (DB) for storing the index table, and a video feature point comparator for outputting video information corresponding to matched indices by comparing the video feature points extracted by the video feature point extractor with the indices of the index table stored in the video feature point DB.

Abstract: Disclosed herein is a menu provision method using gestures. In the menu provision method, a first gesture of a user which is performed on the specific area of the screen of a mobile terminal is recognized while the function of the mobile terminal is being performed. A menu start sign, which is used for displaying a menu ribbon, is displayed on the screen in response to the first gesture. Thereafter, the menu ribbon is displayed in response to a second gesture of the user which is performed on the menu start sign.

Abstract: The present invention has been made in an effort to provide an apparatus for removing noise for sound/voice recognition removing a TV sound corresponding to a noise signal by using an adaptive filter capable of adapting a filter coefficient in order to remove an analogue signal and performing sound and/or voice recognition and a method thereof.

Abstract: A transmitting apparatus groups a data bit sequence to groups each formed of a predetermined number of bits, modulates predetermined bits of one of groups through a frequency shift keying (FSK) modulation method, non-continuously aligns the FSK modulation signals, and transmits the non-continuous FSK modulation signals.

Abstract: Provided is a terminal to transmit wireless environment measurement information to a femto base station, and the femto base station to receive the wireless environment measurement information from the terminal. The femto base station may perform initialization based on the wireless environment measurement information, or may transmit the wireless environment measurement information to a base station control unit. The base station control unit may determine whether to additionally install a second femto base station based on the wireless environment measurement information.

Abstract: Disclosed are a method and apparatus of adaptive transmission signal detection based on a signal-to-noise ratio and a Chi-squared distribution for decoding a reception signal in the form of multi-streams into a transmission signal, the method comprising: receiving a reception signal vector; estimating a channel matrix of a channel that the reception signal vector experienced; performing QR decomposition based on the estimated channel matrix; calculating dimensions of divisional spaces adaptively on the basis of a signal-to-noise ratio (SNR) or a signal-to-interference noise ratio (SINR); detecting a maximum likelihood point having a maximum likelihood value among lattice points within each divisional space optained on the basis of results from performing the QR decomposition and calculating dimension of the divisional spaces; and recovering a transmission signal vector based on the detected maximum likelihood points.

Abstract: A technology of setting up a MBS zone for providing a mobile IPTV service is provided in which the MBS zone is effectively managed, so that QoS is prevented from being degraded due to the handover delay that is caused by a MBS handover occurring when a user moves between MBS zones.

Abstract: A method for synthesizing a tile interconnection structure of a field programmable gate array (FPGA) includes: receiving an interconnection structure specification of the FPGA; constructing a tile interconnection graph based on the interconnection structure specification; converting the interconnection structure specification into a connection diagram between two points on the tile interconnection graph; searching for a shortest path for connection requirements between two points from the connection diagram between two points, and building a bundle structure; and synthesizing a tile interconnection structure from the bundle structure.

Abstract: A reflective type optical delay interferometer includes a coupler to divide an optical signal into two optical signals; a first optical waveguide connected to the coupler, to have a first optical delay path for transmitting a first optical signal which is one of the two optical signals; a second optical waveguide connected to the coupler, to transmit a second optical signal which is the other of the two optical signals and to have an optical delay path asymmetrical to the first optical delay path; and first and second polarization rotation reflection devices respectively connected to the first and second optical waveguides, wherein the first polarization rotation reflection device rotates polarizations of the first optical signal and the reflected first optical signal and the second polarization rotation reflection device rotates polarizations of the second optical signal and the reflected second optical signal.

Abstract: Provided is a digital analog converter that output currents having different magnitudes for a digital input value according to a mapping table. The digital analog converter includes: a plurality of current sources; and a calibration unit configured to sort index values for identifying the plurality of current sources according to current magnitudes of the current sources, couple each two current sources which are symmetrical left and right about the center of the sorted index values, and map the current source pairs into a mapping table.

Abstract: Disclosed are a method and apparatus of performing a fast Fourier transform (FFT). The apparatus include a plurality of single-path delay feedback (SDF) butterfly blocks which performs butterfly operations, respectively; a plurality of memories which are connected to the SDF butterfly blocks, respectively; and a controller which controls the plurality of SDF butterfly blocks, wherein the plurality of SDF butterfly blocks are connected in a pipeline structure and thus output from one SDF butterfly block is input to a following SDF butterfly block.