Patent application number | Description | Published |
20080198071 | APPARATUS AND METHOD FOR REMOVING INTERFERENCE IN TRANSMITTING END OF MULTI-ANTENNA SYSTEM - An apparatus and method for removing interference in a transmitting end of a multi-antenna system are provided. The method includes receiving channel information for all Receive (Rx) antennas; calculating a beam-forming matrix that maximizes a Signal-to-Interference plus Noise Ratio (SINR) for each Rx antenna by using the received channel information; calculating an integer value which is in proportion to an interference signal for each Rx antenna by using the received channel information and the calculated beam-forming matrix, and performing Dirty Paper Coding (DPC) on a Transmit (Tx) signal by using the calculated integer value; and performing beam-forming by multiplying the Tx signal that has undergone the DPC by the calculated beam-forming matrix. Accordingly, a highest data rate for each user and a highest diversity can be obtained. | 08-21-2008 |
20080198803 | Apparatus and method for retransmitting data in a wireless communication system - A retransmission apparatus and method in a wireless communication system are provided, in which it is determined whether a retransmission signal exists, when channels for transmitting signals are changed to new channels, a channel is allocated to the retransmission signal, taking into account state information about the new channels, when the retransmission signal exists, and the retransmission signal is transmitted on the allocated channel. | 08-21-2008 |
20080225970 | APPARATUS AND METHOD FOR TRANSMITTING/RECEIVING A SIGNAL IN A MIMO MOBILE COMMUNICATION SYSTEM - Disclosed is a method to transmit a signal in a Multiple Input Multiple Output (MIMO) mobile communication system. The method includes determining a Hybrid Automatic Repeat reQuest (HARQ) scheme to be used for a transmission signal; determining a MIMO scheme to be used for the transmission signal in accordance with the determined HARQ scheme; and transmitting the transmission signal using the determined HARQ scheme and the determined MIMO scheme. | 09-18-2008 |
20080240268 | METHOD AND SYSTEM FOR TRANSMITTING/RECEIVING DATA IN COMMUNICATION SYSTEM - Disclosed is a data transmission/reception method and system for minimizing intercarrier interference (ICI) in a communication system using a multicarrier. The data transmission method by a transmitter includes grouping transmission signals in units of a predetermined number of transmission signals when the transmitter has received the transmission signals, multiplying each group of the transmission signals by a transmission coding matrix, and transmitting the transmission signals multiplied by the transmission coding matrix to a receiver. | 10-02-2008 |
20080290315 | Piezoeletric Single Crystal and Method of Production of Same, Piezoelectric Element, and Dielectric Element - A piezoelectric single crystal and piezoelectric and dielectric application parts using the same are provided, which have all of high dielectric constant K | 11-27-2008 |
20090211515 | METHOD FOR SOLID-STATE SINGLE CRYSTAL GROWTH - By controlling the average size of matrix grains of polycrystalline bodies to more than a critical size at which an abnormal, exaggerated or discontinuous grain growth ends, and less than twice the critical size, large single crystals enough for practical use may be made even without occurring abnormal grain growth in polycrystalline bodies only through a heat treatment process without using a melting process and a special apparatus, thereby allowing the mass production of the large single crystals at low costs with high reproduction possibility. | 08-27-2009 |
20090230871 | Organic light emitting display device and method of driving the same - Provided are an organic light emitting display device coupled to a photoelectric transistor. The organic light emitting display device includes an anode and a cathode separated from each other, a plurality of organic material layers formed between the anode and the cathode and including an organic light emitting layer, a light source applying an excitation pulse to the organic material layers, and a light receiving unit measuring changes in photoluminescence (PL) signals that are emitted from the organic material layers. | 09-17-2009 |
20090247196 | MOBILE TERMINAL FOR PERFORMING INSTANT MESSAGING SERVICE - A method of executing an instant messaging service using a wireless terminal in a wireless communication system includes associating at least one user as a messenger group, activating messenger communication with a server, transmitting a messenger group status activation message to the server, receiving status data associated with the messenger group, and displaying information representing an updated status of the at least one user of the messenger group based on the status data. | 10-01-2009 |
20110047432 | APPARATUS AND METHOD FOR CODING IN COMMUNICATION SYSTEM - Disclosed is a method and apparatus for coding in a communication system. The coding method includes generating an information codeword vector from an information vector, generating a first vector in the information vector from an information part of a parity check matrix, generating a first parity codeword vector by performing an exclusive OR operation of the first vector and a second vector corresponding to a cyclically shifted version of the first vector, and generating a second parity codeword vector by performing an exclusive OR operation of the first vector, the first parity codeword vector, and a third vector. The third vector is a cyclically shifted version of a vector resulting from the exclusive OR operation of the first vector, the first parity codeword vector, and a fed-back third vector. | 02-24-2011 |
20110271954 | SOLAR CONCENTRATOR - A solar concentrator comprises an incidence surface, a first reflective curved surface corresponding to the incidence surface, a second reflective curved surface disposed in a center part of the incidence surface, and a concentrating part disposed in a center part of the first reflective curved surface and corresponding to the second reflective curved surface, wherein the incidence surface, the first reflective curved surface, the second reflective curved surface, and the concentrator include a substantially same material from each other. | 11-10-2011 |
20120080084 | SUBSTRATE, SOLAR CELL INCLUDING THE SUBSTRATE, AND METHOD OF MANUFACTURING THE SAME - A substrate includes a semiconductor layer, a plurality of dielectric layers disposed on one side of the semiconductor layer and separated from each other and a photoactive layer disposed between the dielectric layers and including a compound of a Group III element and a Group V element. Also disclosed are a solar cell including the same and a manufacturing method thereof. | 04-05-2012 |
20120111395 | SOLAR CELL AND METHOD OF MANUFACTURING THE SAME - A solar cell including: a silicon (Si) substrate; a buffer layer disposed on a side of the silicon substrate; a germanium (Ge) junction disposed on a side of the buffer layer opposite the silicon substrate; a first electrode electrically connected to the germanium junction; and a second electrode electrically connected to the germanium junction, wherein the buffer layer has a lattice constant that increases in a direction from the silicon substrate to the germanium junction. | 05-10-2012 |
20130326556 | METHOD FOR PROVIDING CONTENT MANAGEMENT LIST AND APPARATUS FOR PERFORMING SAME - Disclosed are a method for providing a content management list which enables integrated management for the use of various contents and an apparatus for performing the same. The method for providing the content management list in a content management list provision apparatus which can be connected to a plurality of contents through a network includes the steps of: displaying the content management list including electronic program guide information of a broadcasting program; and displaying information of reserved playback contents corresponding to the reservation time of a time axis which is additionally displayed in the content management list according to an event signal for indicating a content playback reservation. Accordingly, the method enables a user to easily determine the reserved states of all available contents, and enables the user to efficiently make plans to use the various contents therethrough. | 12-05-2013 |
20140170213 | CAPSULE FORMULATION COMPRISING MONTELUKAST AND LEVOCETIRIZINE - Disclosed is a capsule formulation for preventing or treating allergic rhinitis and asthma, which comprises two separate layers of: (1) a Montelukast layer comprising montelukast or a pharmaceutically acceptable salt thereof; and (2) a Levocetirizine layer comprising levocetirizine or a pharmaceutically acceptable salt thereof; and a method for the preparation thereof. The capsule formulation according to the present invention can completely separate two active ingredients, thereby minimizing the reactivity between them and improving product stability against aging effects, and thus, can optimize the therapeutic effects. | 06-19-2014 |
20140356422 | STABLE PHARMACEUTICAL FORMULATION FOR ORAL ADMINISTRATION COMPRISING LEVOCETIRIZINE OR A PHARMACEUTICALLY ACCEPTABLE SALT THEREOF, AND MONTELUKAST OR A PHARMACEUTICALLY ACCEPTABLE SALT THEREOF - The present invention relates to a pharmaceutical formulation for oral administration for preventing or treating allergic rhinitis or asthma, which comprises: (a) a first particle part comprising levocetirizine or a pharmaceutically acceptable salt thereof and an organic acid; and (b) a second particle part comprising montelukast or a pharmaceutically acceptable salt thereof. The pharmaceutical formulation according to the present invention comprises an organic acid as a stabilizing agent, which can effectively inhibit the production of levocetirizine and montelukast related substances, and thus, show good stability. | 12-04-2014 |
20150076531 | CHIP-ON-FILM (COF) PACKAGE, COF PACKAGE ARRAY INCLUDING THE SAME, AND DISPLAY DEVICE INCLUDING THE SAME - A chip-on-film (COF) package includes a base film, an integrated circuit chip, and a plurality of signal interconnections. The base film includes a bonding region and a non-bonding region. The integrated circuit chip is at the non-bonding region. Each of the plurality of signal interconnections is coupled to the integrated circuit chip and extend to the bonding region along a first direction. The plurality of signal interconnections are spaced from each other along a second direction substantially crossing the first direction. The plurality of signal interconnections alternate on a first surface and a second surface opposite to the first surface of the base film along the second direction. | 03-19-2015 |