Abstract: A method for transmitting/receiving feedback information in a multi-antenna system using a closed-loop scheme supporting multiple users, and a feedback system supporting the same. Multiple feedback protocol scenarios are predefined on the basis of communication environments affecting feedback information configurations. The feedback information is transmitted in a feedback protocol scenario determined by a communication environment. The feedback information is constructed with information required by the communication environment.

Abstract: An optical recording medium is provided, the optical recording medium including a plurality of zones configured to store data corresponding to an adaptive write pulse, the adaptive write pulse including a first pulse, a last pulse, and a multi-pulse train, the adaptive write pulse being different for each of the plurality of zones, the plurality of zones being reflected by a grouping table, the grouping table being configured to generate an adaptive write pulse waveform by varying a position of a rising edge of a first pulse of a mark to be written according to a length of the mark to be written and a leading space, the adaptive write pulse waveform being generated without regard for a trailing space of a present mark being written using the adaptive write pulse waveform, the adaptive write pulse being configured to correspond to the adaptive write pulse waveform, and store rising edge data of the first pulse of the adaptive write pulse waveform varying according to corresponding stored values of lengths of m

Abstract: An apparatus configured to write input data on an optical recording medium using a write pulse waveform including a first pulse, a last pulse and a multi-pulse train is provided.

Abstract: A stacked semiconductor package technique applicable to semiconductor chips having pins short enough that the semiconductor chips cannot be directly bonded together is provided. A printed circuit board (PCB) is inserted into a space between pins of an upper semiconductor chip and the exterior of bodies of stacked semiconductor chips. The PCB includes a plurality of conductive patterns at locations corresponding to the respective pins. The respective conductive patterns and the corresponding respective pins of the upper and lower semiconductor chips are bonded together. The PCB includes a plurality of recess patterns on one side, the recess patterns having the same pitch as the pins of the semiconductor chips. The PCB is disposed across the pins of the lower semiconductor chip, and thereby easily arranged with the stacked semiconductor chips.

Abstract: A dust separating and collecting apparatus is provided. The dust separating and collecting apparatus includes a dust bin housing a centrifugal dust separating portion therein, and an inner cover comprising a passage shifting protrusion extended to an open surface of the centrifugal dust separating portion through which dusts may be discharged, the inner cover covering an open surface of the dust bin.

Abstract: A memory management method and apparatus are disclosed. The memory management apparatus may compute a remaining storage capacity of a flash memory based on a number of bad blocks in a flash memory or a number of block-erases of each of a plurality of blocks, and may display the computed remaining storage capacity of the flash memory.

Abstract: A recording and/or reproducing method, a recording and/or reproducing apparatus, and an information storage medium are provided. The method of recording data to an information storage medium includes: according to a change in a method of using the information storage medium, rearranging the order of a first information structure with a variable size and a second information structure with a fixed size, both of which are included in management information of the information storage medium, so that the first information structure with the variable size can be positioned following the second information structure with the fixed size; and recording the rearranged management information on the information storage medium. According to the method and apparatus, recording management information can be found in a fixed location of a finalized information storage medium, thereby allowing the recording management information to be found easily and quickly.

Abstract: An apparatus and method to balance a load in a multi-core processor system. The apparatus includes a data channel module which includes a queue, and which transmits data between a plurality of threads and transmits queue state information regarding the queue, and a data channel management module which periodically analyzes data traffic between the plurality of threads by determining a state of the queue based on the queue state information, and which generates information used to adjust a load of each of the plurality of threads based on a result of the analysis.

Abstract: An apparatus and method for extracting feature points from an image in a multiprocessor system having a plurality of processors, the method including: dividing an original image into a plurality of regions so as to be allocated to a plurality of processors of the multiprocessor system; performing, by the plurality of processors, blurring operations by levels; dividing the images blurred by levels into a plurality of regions to be allocated to the processors and calculating, by the plurality of processors, differences of Gaussian (DoGs); and generating feature point data according to the calculated DoGs. Because a plurality of processors performs the operations of the method, the total time to extract the feature points from the image is significantly reduced.

Abstract: An apparatus configured to write input data on an optical recording medium using a write pulse waveform, the write pulse waveform including a first pulse, a last pulse and a multi-pulse train, is provided.

Abstract: A method and apparatus which can reduce the communication time that occurs due to transmission of an encrypted content, when a Digital Rights Management (DRM) agent and a rendering application are implemented in different devices respectively, is provided. A method of obtaining content information in an environment where a DRM agent and a rendering application are separated from each other, includes transmitting, by a consumer electronics (CE) device comprising the rendering application, first N bytes of the content to a portable Digital Rights Management (PDRM) device comprising the DRM agent, and obtaining, by the PDRM device, information about the content by using a cryptographic hash with respect to the first N bytes, and transmitting the obtained information to the CE device.

Abstract: An apparatus and method of creating a face character which corresponds to a voice of a user is provided. To create various facial expressions with fewer key models, a face character is divided in a plurality of areas and a voice sample is parameterized corresponding to pronunciation and emotion. If the user's voice is input, a face character image corresponding to divided face areas is synthesized using key models and data about parameters corresponding to the voice sample to synthesize an overall face character image using the synthesized face character image corresponding to the divided face areas.

Abstract: A method and device of enabling interoperation between different devices over a network are provided. A test code corresponding to a service to be performed using device information received from a service providing device in a network is generated, the test code is transmitted to the service providing device, a result of the test code execution is received from the service providing device, and interoperability with the service providing device is determined with respect to the service by using the result of the execution of the test code. An environment suitable for interoperation with the service providing device is established when interoperation with the service providing device is possible.

Abstract: Described herein is a resource allocation method for a hierarchical cellular system, and a transmission frame for performing the method. A macrocell dedicated resource and a shared resource are respectively controlled based on a usage rate of the macrocell dedicated resource and a usage rate of the shared resource. The macrocell reports a usage plan of the shared resource that the macrocell uses to a small cell, and the small cell may allocate the shared resource to terminals based on the usage plan of the shared resource. A control message related to the usage plan may be transmitted/received via the transmission frame.

Abstract: Disclosed is a resonator for wireless power transmission used in a mobile device. The resonator includes a substrate, at least one microstrip line, and a magnetic core. The microstrip line is formed on the substrate and is provided at one side thereof with a slit to have an open-loop shape. The magnetic core is formed on the substrate and is disposed on a space defined by the microstrip line to increase coupling strength.

Abstract: Provided are an apparatus and method for preventing noise. The apparatus estimates a noise signal from a signal transformed into a frequency domain, uses the estimated noise signal to estimate the amplitude of the frequency-domain signal according to a frequency band, and then calculates a phase difference according to a frequency band and eliminates or prevents noise from the amplitude-estimated frequency-domain signal based on the calculated phase difference according frequency band.

Abstract: An optical recording medium, an apparatus and method of manufacturing an optical recording medium, and an apparatus and method of recording/reproducing data of an optical recording medium, allocated with a wobble address suitable for a capacity of a high density recording disc, the optical recording medium including a first area and a second area on which data is recorded/reproduced by a recording/reproducing apparatus, the optical recording medium including: a recording unit block on which the data is recorded or reproduced, and a wobble address corresponding to the recording unit block and indicating a location of the recording unit block in the optical recording medium, the wobble address including a plurality of address units (ADIPs), wherein last two bits in the ADIPs in the first area are one of: 00, 10, and 01, and last two bits in at least one ADIP in the second area are 11.

Abstract: Provided are an apparatus and method of controlling camerawork based on direction rule. A camerawork controlling apparatus includes a direction deciding unit configured to receive dialogs extracted from a scenario, to divide at least one of the received dialogs into sub-elements according to a set of circumstances, and to determine a camerawork based on a direction rule to be applied to each sub-element and each of any remaining non-divided dialogs.

Abstract: An information storage medium including graphic data and presentation information, and an apparatus and method of processing the graphic data are provided. The information storage medium includes the graphic data, page composition information which defines page composition of the graphic data, and the presentation information indicating when graphic screen data, which is composed with reference to the page composition information of the graphic data, is output to a display screen. Therefore, a graphic object is reusable in graphic data processing, and accordingly, a time taken to process the graphic data is reducible and memory area may be saved.

Abstract: An information recording medium that can be rapidly finalized, and a recording/reproducing apparatus and method using the same are provided. In the information recording medium, a prepit is pre-formed in a finalization area. Since the portion that has to be filled with data in finalizing the information recording medium is previously formed as the prepits series in manufacturing the information recording medium, the time necessary to finalize the information recording medium can be shortened, thereby achieving the rapid finalization of the medium.