Abstract: A wireless communication system using pilot subcarrier allocation and a method of allocating the pilot subcarriers for use in downlink and uplink communication in a multiple-input multiple-output (MIMO) antenna system using orthogonal frequency division multiplexing (OFDM) modulation are disclosed. The method includes providing a frame structure comprising OFDM symbols in time domain and subcarriers in frequency domain and alternately allocating first pilot subcarriers for a first antenna and second pilot subcarriers for a second antenna in the time and frequency domains, wherein each of the alternating first pilot subcarriers and the second pilot subcarriers is separated by a multiple of 9 subcarriers in the frequency domain and further allocated in two contiguous OFDM symbols.

Abstract: Disclosed herein are an apparatus and method for providing a contactless Graphical User Interface (GUI). The apparatus for providing a contactless GUI includes a basic information management unit, a pointer tracking unit, and a mouse event management unit. The basic information management unit receives finger image information, and generates basic pointer information for a mouse pointer service. The pointer tracking unit analyzes the finger image information based on the basic pointer information, and generates a mouse operation event by tracking a mouse operation in order to control a mouse pointer based on results of the analysis. The mouse event management unit analyzes the mouse operation event, and generates an operation message corresponding to the mouse operation. The pointer tracking unit tracks the mouse operation by calculating the movement distance of the tips of a thumb and an index finger based on the finger image information.

Abstract: A mobile terminal and method for displaying on a touch screen information associated with an item displayed on the touch screen when an object is in near-proximity to the displayed item. A sensing unit senses a real-touch and a proximity-touch of the touch screen and a controller displays the information associated with the specific item on the touch screen.

Abstract: A wireless communication system using pilot subcarrier allocation and a method of allocating the pilot subcarriers for use in downlink and uplink communication in a multiple-input multiple-output (MIMO) antenna system using orthogonal frequency division multiplexing (OFDM) modulation are disclosed. The method includes providing a frame structure comprising OFDM symbols in time domain and subcarriers in frequency domain and alternately allocating first pilot subcarriers for a first antenna and second pilot subcarriers for a second antenna in the time and frequency domains, wherein each of the alternating first pilot subcarriers and the second pilot subcarriers is separated by multiple of 9 subcarriers in the frequency domain and further allocated in two contiguous OFDM symbols.

Abstract: A mobile terminal includes a subscriber identification module (SIM) card unit to receive and store Internet Protocol (IP) device information including a local IP address of an IP device from a femtocell, and a control unit to transmit a control command to control the IP device using the local IP address.

Abstract: Provided is a method for generating stereoscopic image fedback by the interaction with a real world. Even though the method according to the related art interacts the user with the virtual object or forms the stereoscopic image without interacting with the object in the user space by controlling the virtual object using a separate apparatus, the present invention feedbacks the interaction between all the object in the user space including the object and users in the virtual space to the video reproducing system to implement a system for re-processing and reproducing the stereoscopic image, thereby making it possible to produce realistic stereoscopic image.

Abstract: Disclosed herein are an apparatus and method for rendering woven fabric material based on a type of weave. The apparatus includes an input unit, a database (DB), a control unit, and a display unit. The input unit receives information about the type of weave and the material properties of the surface of a woven fabric object. The DB stores information about correlations between the types of weave and the material properties of the woven fabric objects and mathematical Bi-directional Reflectance Distribution Function (BRDF). The control unit searches the DB for rule data based on search condition information inputted from the input unit, and renders the woven fabric material. The display unit displays a rendered virtual woven fabric object in response to a control signal from the control unit.

Abstract: A similar shader search apparatus using image feature extraction includes: an image extraction unit configured to classify color, texture, pattern features of a 2D image, into a color feature set, a texture feature set, and a pattern feature set, numerically analyze the respective feature sets, and extract a feature value of the image; a shader extraction unit configured to analyze a predetermined stored shader, classify features having an effect upon color, texture, and pattern into a color feature set, a texture feature set, and a pattern feature set, numerically analyze the respective feature sets, and extract a feature value of the shader; and a distance function calculation unit configured to receive the image feature value and the shader feature value, calculate the similarity of color between the image and the shader, and calculate the similarity of texture between the image and the shader using the Euclidean distance function.

Abstract: An apparatus and a method for controlling a small base station using a macro base station may reduce interference between the small base station and the macro base station. The method includes determining whether a small base station is in a blank state; transmitting a deactivation request message to the macro base station if the small base station is in the blank state; and operating the small base station in an inactive mode if a deactivation response message is received from the macro base station. The inactive mode being a mode of the small base station in which a synchronization channel or a minimal channel is transmitted to enable a terminal in the cell area of the small base station to identify the small base station.

Abstract: A mobile terminal and controlling method thereof are disclosed. The mobile terminal includes a stereoscopic user interface. The stereoscopic user interface includes a display unit capable of implementing a 3D stereoscopic image. A 3D object is displayed on the display unit. And, the 3D object can be manipulated by a user through various manipulating methods in a virtual stereoscopic space. Accordingly, the present invention provides a stereoscopic user interface using a 3D object arranged in a 3D space, thereby facilitating a user to manipulate the mobile terminal with a new visual effect.

Abstract: A small base station and a method for controlling an operation of the small base station provides that a first control unit of the small base station may control the small base station to be switched to an idle mode if a terminal is not located in a coverage of the small cell. If the small base station is switched to the idle mode, a communication unit of the small base station may transmit a signal about a base station cognitive channel so that the terminal may recognize the small cell.

Abstract: Provided are a system and method for rendering hair image which smoothly and vividly render a fiber type of long and slim object like hair when creating 3D content. The system includes a sampling point setting module, a transparency determination module and a color value determination module. The sampling point setting module sets a plurality of sampling points in a hair geometry region. The transparency determination module determines transparency of a pixel the hair geometry region, on the basis of the sampling point. The color value determination module determines a color value of the pixel on the basis of shading values for each of the sampling points.

Abstract: A method of allocating resources in a wireless communication system includes dividing an available frequency band on a logical plane into a distributed zone and a localized zone, dividing the distributed zone into a plurality of subparts in time domain, and dividing the distributed zone and the localized zone into a distributed zone and a localized zone on a physical plane. The plurality of subparts included in one distributed zone on the logical plane is mapped to a different distributed zone on the physical plane.

Abstract: A method for transmitting an uplink control signal includes receiving scheduling information for transmission of the uplink control signal, and transmitting the uplink control signal according to the scheduling information. Various control signals can be transmitted without interference with other control signals while maintaining a single carrier property.

Abstract: A method of transmitting data is provided. The method includes generating a frame, the frame comprising a data burst, a submap and a map wherein the submap indicates a resource allocation state of the data burst, and the map indicates a differential adaptive modulation and coding (AMC) level for the submap, and transmitting data using the frame, wherein the differential AMC level is information on change in an AMC level applied to the submap comparing with other submap in a different frame. High-speed data transmission is realized and limited radio resources can be more efficiently used.

Abstract: A data retransmission method using hybrid automatic repeat request (HARQ) includes transmitting a data block, receiving a retransmission request signal for the data block, generating a retransmission block by performing swapping or inversion between bits constituting the data block according to the retransmission request signal, and transmitting the retransmission block.

Abstract: A method of allocating resources in a wireless communication system includes allocating a plurality of physical resource blocks, each of which includes a plurality of sub-parts, to a virtual resource block, and mapping the virtual resource block to the plurality of physical resource blocks, wherein the virtual resource block is mapped to the sub-parts located in different positions in the range of each physical resource block. The number of resource elements allocated for the virtual resource block is constantly maintained.

Abstract: A rendering system includes a data input unit for reading depth information of a deep render buffer obtained by rendering; a camera lens sampling unit for sampling surface data of a lens provided in a camera; a deep render buffer reconstruction unit referring to pixel location information of the deep render buffer to reconstruct a deep render buffer at a new camera position, wherein the camera position corresponds to a sampling result from the camera lens sampling unit. The rendering system further includes a render image generation unit for generating a render image at the camera position from the reconstructed deep render buffer; and an image accumulation unit for accumulating the render image at the camera position.

Abstract: An image synthesis apparatus supporting measured materials properties includes an input unit for receiving from a user selected information on material information processing, sampling and rendering; a material information processing unit for converting measured material data into raw material data, performing material model fitting on the raw material data to generate material information and performing material mixing on the material information to generate mixed material information, wherein the model fitting and the material mixing is performed according to the selected information; and a sampling unit for sampling the raw material data to generate sampling information. The apparatus further includes a materials properties rendering unit for rendering scene information contained in the selected information, the mixed material information and the sampling information to generate surface material information; and an output unit for visualizing the material information and the surface material information.

Abstract: An apparatus processes collision information in a graphic system, and includes a first storage unit for loading geometry information of primary and secondary object graphics inputted from outside, and outputting the geometry information of the primary object graphics and geometry information of a plurality of secondary object graphics in which a collision detection operation with the primary object graphics is to be performed; a transformer for transforming coordinates of the secondary object graphics to be coincided with a coordinate system that is based on the primary object graphics; a processor for acquiring a collision point, collision presence information, and a collision depth between the primary and the secondary object graphics simultaneously based on the geometry information of the inputted primary object graphics and that of each of the coordinate-transformed secondary object graphics by using a collision detection operation technique determined by the geometry information properties of the primary