Abstract: A visible light communication (VLC) transmitting apparatus modulates source data to an orthogonal frequency division multiplexing (OFDM) symbol according to an OFDM modulation method, inserts a diffusion code that is allocated to the VLC transmitting apparatus into a frequency axis of the OFDM symbol, converts the OFDM symbol in which the diffusion code is inserted to a visible light modulation signal, and transmits the converted visible light modulation signal. Thereby, a signal of the VLC transmitting apparatus in which a VLC receiving apparatus wants can be easily detected.

Abstract: Disclosed are an accumulator for reducing nonlinearity of a data converter and a data weighted average device including the accumulator. According to the accumulator including a register configured to output input data according to a clock signal; a first adder configured to receive a digital input signal having any bit width and an output signal from the register to perform an add operation; a preset unit configured to output a preset value or a 0 value according to whether a carry of the first adder is generated; and a second adder configured to receive an output signal of the first adder and an output signal of the preset unit to perform the add operation and input the add operation to the register and the data weighted average device including the accumulator, it is possible to improve the nonlinearity occurring in the data converter by generating a number of DAC codes in addition to 2n DAC codes.

Abstract: A communication method of a base station and a terminal based on interference alignment in a multi-cell multi-user multiple-input multiple-output (MIMO) interference channel and a method and apparatus of communication using interference alignment and block successive interference pre-cancellation in a multi-user MIMO interference channel. The base station may determine a precoding matrix to maximize a signal to interference and noise ratio (SINR) and a signal to leakage and noise ratio (SLNR) in the interference channel, and a terminal communicating with the base station may determine a decoding matrix to align interference. The transmitter including a multicell interference channel may calculate a rotation matrix for interference alignment, identify effective symbol vectors using the rotation matrix, and generate a transmit signal of a target transmitter to pre-cancel interference corresponding to a transmit signal of a neighboring transmitter.

Abstract: A scintillating module is provided which includes a first scintillating layer including a plurality of scintillators extending in a first direction; a second scintillating layer including a plurality of scintillators extending in a second direction and stacked in a third direction with respect to the first scintillating layer, wherein the first, second and third directions are orthogonal to each other.

Abstract: A method for coordinating intercell interference and a wireless communication system are disclosed. The method includes calculating, by a first device, a beamforming vector, transmitting a signal to a first terminal using the beamforming vector calculated by the first device, receiving, by the first device, Quality of Service (QoS) information equivalent to the signal transmitted from the first terminal, and determining whether the QoS information received by the first device satisfies a predetermined first criterion and transmitting information indicating whether QoS is satisfied to a first base station.

Abstract: The present invention relates to an apparatus for controlling light of a digital device based on an image and a control method thereof and can improve sensory effects by collecting light characteristic information of digital devices built in the playing environment based on an image played by an image player to extract an optimal light effect, improve the use efficiency of the digital devices by using the home network and the light of the two-way communicable digital devices to improve the sensory effects, and prevent personal information from being leaked in public and commercial facilities by allowing users to select the application of the received light control signal without collecting the light characteristic information of the mobile communication terminals when applying the sensory effects by controlling the light of the mobile communication terminals.

Abstract: An apparatus and method for generating and consuming a three-dimensional (3D) data format to generate a realistic panoramic image are provided. The apparatus may include an image preprocessing unit to search for a matching point between images captured by a plurality of cameras, and to extract, as image information, at least one of a depth value, a texture value and object division information from each of the captured images, an image information structuring unit to structure 3D data to use the extracted image information to generate a realistic image, a 3D data format storage unit to store format information of the to structured 3D data in a database (DB), realistic image generating unit to generate a realistic panoramic image using the stored format information of the 3D data, and a realistic image rendering unit to perform rendering on the generated realistic panoramic image.

Abstract: Disclosed is a method of compressing video frame using dual object extraction and object trajectory information in a video encoding and decoding process, including: segmenting a background and a object from a reference frame in video to extract the object, extracting and encoding motion information of the object based on the object, determining whether a frame is a reference frame based on encoded video in a decoding process, if it is determined that the frame is the reference frame, generating background information of a prediction frame based on the reference frame, and generating the prediction frame by extracting an object of the reference frame and referring to header information to reflect motion information of the object.

Abstract: Provided is a touch screen for generating a haptic sense that may minimize a structure added for haptic generation by simultaneously employing a single electrode layer that constitutes an existing touch panel as an electrode layer for transferring the haptic sense. A touch screen for generating a haptic sense according to an exemplary embodiment of the present disclosure includes a touch panel including at least one substrate, each formed with at least one electrode, and an additional electrode to generate the haptic sense on a portion touched on the touch panel using an electrostatic force that occurs between the additional electrode and a predetermined electrode among the at least one electrode.

Abstract: A low noise amplifier for use in a front end includes a multiple-input interference canceller configured to receive a plurality of input signals, and output a signal from which an interference component is removed. The multiple-input interference canceller includes a plurality of gain control blocks configured to receive each of the input signals, and perform gain control, and a coupling block configured to couple output signals of the gain control blocks.

Abstract: An apparatus for measuring radiated power of an antenna includes a chamber which an absorber is attached to a wall thereof; a source antenna and a test antenna configured to be arranged within the chamber; a rotational axis configured to adjust an arrangement angle of the test antenna in up-and-down directions; and a roll positioner configured to rotate the test antenna. Further, the apparatus includes a turntable configured to be provided within the chamber and be rotated in a left-to-right direction; a connection unit configured to allow the test antenna, to rotate in the left-to-right direction; and a supporting unit configured to be rotatably connected to one end of the rotational axis which the other end thereof is rotatably connected to the roll positioner.

Abstract: The present invention relates to a automotive partial networking apparatus and method, which operate or terminate only a specific electronic control unit corresponding to a service currently being provided in a vehicle network composed of a plurality of electronic control units. In the automotive partial networking method, a automotive partial networking apparatus receives a partial networking-only Controller Area Network (CAN) frame from outside of the apparatus. A partial network table is searched based on the CAN frame, and then a CAN identification (ID) is searched for. A partial networking-only CAN frame is generated using the CAN ID. Partial networking is performed by transferring the generated partial networking-only CAN frame to at least one electronic control unit corresponding to a vehicle service.

Abstract: Disclosed are a method and a system for monitoring a fire based on a detection of sound field variation. The system for monitoring a fire based on a detection of sound field variation includes: a sound generator outputting a sound wave within a defined space according to input voltage; a sound receiver receiving the sound wave within the defined space and obtaining a sound pressure from the received sound wave; and a fire monitor using a sound transfer function representing a ratio of the sound pressure obtained by the sound receiver to input voltage of the sound generator in a preparation mode to calculate reference sound pressure information, using the sound transfer function in a monitoring mode to calculate current sound pressure information, and comparing the reference sound pressure information with the current sound pressure information to determine whether a fire occurs.

Abstract: A technology for providing a service based on an electronic tag.

Abstract: A condenser microphone having a flexure hinge diaphragm and a method of manufacturing the same are provided. The method includes the steps of: forming a lower silicon layer and a first insulating layer; forming an upper silicon layer on the first insulating layer; forming sound holes by patterning the upper silicon layer; forming a second insulating layer and a conductive layer on the upper silicon layer; forming a passivation layer on the conductive layer; forming a sacrificial layer on the passivation layer; depositing a diaphragm on the sacrificial layer, and forming air holes passing through the diaphragm; forming electrode pads on the passivation layer and a region of the diaphragm; and etching the layers to form an air gap between the diaphragm and the upper silicon layer. Consequently, a manufacturing process may improve the sensitivity and reduce the size of the condenser microphone.

Abstract: The present invention relates to a method of analyzing interference between heterogeneous wireless communication systems, including receiving, by an interference analysis unit, interference parameters from a parameter input unit; receiving, by the interference analysis unit, polarized information from a polarized information input unit and calculating a Polarized Mismatch Loss Factor (PMLF) between a transmission antenna of an interference transmitter and a reception antenna of a victim receiver; and analyzing, by the interference analysis unit, an interference influence of the interference transmitter on the victim receiver based on the interference parameters and the PMLF. In accordance with the present invention, an interference influence between heterogeneous wireless communication systems using different polarized waves can be precisely analyzed by incorporating a loss characteristic according to a polarized mismatch between transmission and reception antennas into the interference influence.

Abstract: Provided is a semiconductor package and a method of fabricating the same. The semiconductor package includes: a package body including a plurality of sheets; semiconductor chips mounted in the package body; and an external connection terminal provided on a first side of the package body, wherein the sheets are stacked in a parallel direction to the first side.

Abstract: A method of managing a multicast resource is provided by a base station. The base station allocates a multicast resource to a multicast group. The base station generates a MAP IE including information of the multicast resource and a transmission indication for indicating whether the multicast resource is fragmented, and transmits the MAP IE to the multicast group.

Abstract: A sensor node address management data structure and a method of managing a sensor network using an identifier of a sensor node can provide a single management system based on ID information used to identify the sensor node even though a sensor network management system does not provide a plurality of management systems based on an individual identification system for sensor networks and sensor nodes that are to be built in a variety of network environments. The sensor node address management data structure that is managed by a network management system for managing a sensor network includes: a first field including an identifier allocated to a sensor node; a second field indicating a network management type of the sensor node to make a connection to the sensor network; and a third field providing address information on the sensor node necessary for the connection to the sensor network.

Abstract: There present invention relates to a multi-core System On Chip (SoC) having a debugging function. The multi-core SoC having a debugging function includes one or more processors each configured to include an On Core Debug (OCD); a bus matrix configured to connect buses between the one or more processors and one or more peripheral devices; and a debug interface configured to include Processor Debug Interfaces (PDIs) for communicating with the respective OCDs and a Bus Debug Interface (BDI) for communicating with the bus matrix. In accordance with the present invention, the function of a multi-core SoC which has become complicated as compared with the existing singe core SoC may be efficiently verified.