Patent application number | Description | Published |
20110049403 | Electromagnetic water supply valve - A power-saving electromagnetic water supply valve includes a valve body, an electromagnet unit, and a first valve defining therein first and second water passages, the second water passage being opened and closed by a second valve. The first valve partitions the upper section of a chamber to form a pressure chamber, is attached to and detached from a valve seat of the chamber, and maintains a closed circuit state by the pressure of water. The water inlet and the pressure chamber of the valve body are connected directly to each other, thereby defining a common space. The water inlet and the pressure chamber are separated from each other by the base element when a filter retracts into the water inlet. A portion of water introduced toward the water inlet is supplied into the pressure chamber via the filter and the first water passage of the base element. | 03-03-2011 |
20130032740 | Electromagnetic water supply value - In an electromagnetic water supply valve, a body includes a chamber having a valve seat disposed between an inlet and an outlet. A diaphragm and a diaphragm holder are stacked on the valve seat to define a pressure chamber. An electromagnet unit is disposed on the body, closing the pressure chamber. The valve controls the supply of water in response to the electromagnet unit, so that water is introduced into or discharged from the pressure chamber. An electric circuit-forming coil is wound on a bobbin. The lower end of the bobbin is hermetically coupled to the diaphragm. A magnetic induction member seals the upper portion of a hollow section of the bobbin, and generates magnetic force in cooperation with the coil. A plunger is driven to open and close the water supply passage. The electromagnetic water supply valve increases electrical efficiency with a decreased number of components. | 02-07-2013 |
20130075634 | Solenoid valve having flow control function - An electromagnetic valve having a flow control function. A valve body has an inlet, an outlet, a valve chest, and a valve plate contained inside the valve chest. The valve plate opens and closes a valve seat using a movable core in order to control the flow rate of water and to prevent backflow. A first channel is disposed inside the outlet. A flow control means, configured as a single unit, is inserted into the outlet, and includes a mover for opening and closing a flow of water by being detached from and brought into contact with the first channel, a stator disposed coaxially with the mover. The stator allows the mover to be elastic and freely movable using a restoring element. A flow rate control element is supported on the stator, and has a predetermined interval from the stator to form a second channel. | 03-28-2013 |
20130087725 | ELECTROMAGNETIC WATER SUPPLY VALVE - An electromagnetic valve. A body includes a valve chest disposed between an inlet and an outlet. A valve seat is opened and closed by a movable core. A lock ring is fitted into the inlet. A finishing member closes the outer end of the inlet, and in cooperation with the stator, forcibly fixes the lock ring and guides the tube to be inserted. A chamber is defined by an extension of the finishing member in the direction away from the inlet. A latch element adjacent to the lock ring limits the deformation of the lock ring in response to changes in the pressure of water. A support element protrudes from the outer circumference of the tube to support the rear end of the latch element. The locking ring is prevented from being deformed, so that the coupling of the tube becomes more structurally stable and secure. | 04-11-2013 |
20130146159 | FLOW CONTROLLABLE CONNECTOR FOR HOME APPLIANCES - A flow controllable connector for home appliances, which diverges or extends a passage of fluid by fastening an inlet having a first passage and an outlet having a second passage to tubes using fastening devices. The connector includes a control device disposed between the inlet and the outlet in order to prevent the fluid from flowing back as well as to control a flow rate. The control device performs both the function of preventing the fluid from flowing back and the function of controlling the pressure of the fluid. This makes it possible to prevent an electric/electronic sub-assembly from malfunctioning or abnormally operating, thereby increasing the longevity and reliability thereof. | 06-13-2013 |
Patent application number | Description | Published |
20140146181 | APPARATUS AND METHOD FOR ACQUIRING DIFFERENTIAL IMAGE - An apparatus for acquiring a differential image includes: an image acquiring unit acquiring a first image including environment light from an image sensor of a camera and infrared polarized light from an illuminating unit and a second image including horizontal polarized light of the environment light; an image correcting unit correcting brightnesses of background areas of the first and second images; and a differential image generating unit generating a differential image between the first and second images of which the brightnesses of the background areas are corrected. | 05-29-2014 |
20140147002 | USER AUTHENTICATION APPARATUS AND METHOD USING MOVEMENT OF PUPIL - A user authentication apparatus and method using movement of a pupil is capable of rapidly and accurately performing authentication with high security by storing the respective frequencies of objects mechanically moving on a screen and security keys corresponding thereto, comparing a frequency detected from movement of a pupil gazing at any object with a frequency of the object, and performing the authentication based on a corresponding security key when the detected frequency is included in a predetermined range. | 05-29-2014 |
20140160005 | APPARATUS AND METHOD FOR CONTROLLING GAZE TRACKING - An apparatus and a method that controls gaze tracking. The apparatus includes an imaging device that has an image sensor divided into a plurality of zones and a gaze tracking controller. The gaze tracking controller is configured to determine a lens PSF and an image sensor PSF of the camera, respectively, using images for each zone acquired from image elements disposed in each zone of the image sensor. In addition, the gaze tracking controller is configured to estimate illumination reflection points using an imaging device PSF determined from the determined lens and image sensor PSFs at the time of detecting a user gaze using the imaging device. | 06-12-2014 |
20140160011 | APPARATUS AND METHOD FOR CHECKING GAZE OBJECT - An apparatus for checking a gaze object includes an eye detector configured to detect eyes from a captured image of a user who stares at objects while the objects displayed on a display move at certain frequencies, a frequency converter configured to check a motion of the detected eyes and convert the motion of the eyes into an eye moving frequency, and a discriminating unit configured to compare the eye moving frequency and moving frequencies of the objects and discriminate an object at which the user stares depending upon whether or not the eye moving frequency is identical with the moving frequencies of the objects. | 06-12-2014 |
20140160249 | DISPLAY SYSTEM AND METHOD - A display system includes a line-of-sight tracking camera to detect an eyeball of a driver, first and second stereo cameras, a controlling unit, and a storing unit. The first and second stereo camera photographs a range corresponding to a field-of-view based on stereo camera-based line-of-sight information that is changed based on line-of-sight tracking camera-based line-of-sight information, and provide a photographed image. The controlling unit converts the line-of-sight tracking camera-based line-of-sight information into first and second stereo camera-based line-of-sight information based on pre-stored position and rotation information of the tracking camera and the first and second stereo cameras, and project the converted information onto the first and second stereo cameras, such that a three-dimensional line-of-sight coordinate is calculated. The storing unit stores information related to a system as well as the position and rotation information of the tracking camera and the first and second stereo cameras. | 06-12-2014 |
20140172580 | SYSTEM AND METHOD FOR PROVIDING INFORMATION ON ADVERTISED GOODS - A system for providing information on an advertised product includes an advertised product information processing unit for comparing a dominant frequency of the advertised product with user's eyes movement frequency, and, if the frequencies coincide with each other, determining that the user is gazing at the advertised product, extracting information on the advertised product from a storage unit and outputting the extracted information through an output unit. | 06-19-2014 |
20140232746 | THREE DIMENSIONAL AUGMENTED REALITY DISPLAY APPARATUS AND METHOD USING EYE TRACKING - A three-dimensional augmented reality display apparatus and method using eye tracking adjust a depth of an image without an increase in volume and are easily applied to an augmented reality head up display (HUD), by adjusting an angle of a total reflection prism based on positions of both eyes of a driver detected in real time using eye tracking to allow a right eye image to be formed in a driver's right eye and allow a left eye image to be formed in a driver's left eye. | 08-21-2014 |
20150178887 | DISPLAY CONTROL APPARATUS AND CONTROL METHOD FOR VEHICLE - A display control apparatus of a vehicle for controlling a graphical user interface on a screen of a display apparatus which is mounted to a vehicle is provided. The display control apparatus includes a time information detector configured to detect time information for determining the height of the sun. A driving information detector is configured to detect driving information for determining a driving direction of the vehicle. A controller is configured to receive the time information from the time information detector and the driving information detected from the driving information detector so as to reposition a graphical user interface area where the graphical user interface is displayed on the screen. The graphical user interface area may be repositioned so as to escape from a reflection area where sunlight is reflected by the screen. | 06-25-2015 |
Patent application number | Description | Published |
20090042342 | METHOD FOR CRYSTALLIZATION OF AMORPHOUS SILICON BY JOULE HEATING - The present invention provides a method for preparation of crystallization of amorphous silicon thin film, which comprises providing a forming a amorphous silicon on a dielectric film formed on a transparent substrate; then forming a conductive layer on the top surface of substrate; applying an electric field to the conductive layer so as to generate heat; and crystallization of amorphous silicon thin film by the generated heat. | 02-12-2009 |
20100233858 | METHOD OF PREVENTING GENERATION OF ARC DURING RAPID ANNEALING BY JOULE HEATING - Disclosed herein is a rapid annealing method in a mixed structure composed of a heat treatment-requiring material, dielectric layer and conductive layer, comprising that during rapid annealing on a predetermined part of the heat treatment-requiring material, by instantaneously generated intense heat due to Joule heating by application of an electric field to the conductive layer, the potential difference between the heat treatment-requiring material and the conductive layer is set lower than the dielectric break-down voltage of the dielectric layer, thereby preventing generation of arc by dielectric breakdown of the dielectric layer during the annealing. | 09-16-2010 |
20100244038 | THIN FILM TRANSISTOR AND FABRICATING METHOD OF THE SAME - Provided are thin film transistor, a method of fabricating the same, a flat panel display device including the same, and a method of fabricating the flat panel display device, that are capable of applying an electric field to a gate line to form a channel region of a semiconductor layer of a thin film transistor using a polysilicon layer crystallized by a high temperature heat generated by Joule heating of a conductive layer. As a result, a process can be simplified using a gate line included in the thin film transistor as the conductive layer, and the channel region of the semiconductor layer can be formed of polysilicon having a uniform degree of crystallinity. The thin film transistor includes a straight gate line disposed in one direction, a semiconductor layer crossing the gate line, and source and drain electrodes connected to source and drain regions of the semiconductor layer. | 09-30-2010 |
20100270558 | FABRICATING METHOD OF POLYCRYSTALLINE SILICON THIN FILM, POLYCRYSTALLINE SILICON THIN FILM FABRICATED USING THE SAME - Provided are a method of fabricating a polycrystalline silicon thin film using high temperature heat generated by Joule heating induced by application of an electrical field to a conductive layer, which can ensure process stability at high temperature and thus processing time can be reduced and a polycrystalline silicon thin film having excellent crystallinity can be obtained, a polycrystalline thin film using the method and a thin film transistor including the polycrystalline thin film. The method includes providing a substrate, forming a metal or metal alloy layer having a melting point of 13000 C or more on the substrate, forming an insulating layer on the metal or metal alloy layer, forming an amorphous silicon (a-Si) thin film, an amorphous/polycrystalline composite silicon thin film, or a poly-Si thin film on the insulating layer, and applying an electrical filed to the metal or metal alloy layer to induce Joule heating and generate high temperature heat, and crystallizing and annealing the amorphous silicon (a-Si) thin film, the amorphous/polycrystalline composite silicon thin film, or the poly-Si thin film using the high temperature heat. | 10-28-2010 |
20100313397 | APPARATUS FOR MANUFACTURING POLYCRYSTALLINE SILICON THIN FILM - Provided is an apparatus for manufacturing a polysilicon thin film by depositing an amorphous silicon thin film and an upper silicon dioxide substrate on a lower silicon dioxide substrate, forming a conductive thin film on the upper silicon dioxide substrate, and applying an electric field and performing Joule heating to crystallize the amorphous silicon thin film, the apparatus comprising power terminals for elastically contacting both upper ends of the conductive thin film and supplying power to the conductive thin film, and support members for elastically supporting the substrate such that the power terminals closely contact both upper ends of the conductive thin film to form a uniform electric field at the conductive thin film. Therefore, it is possible to apply an electric field to a conductive thin film and perform Joule heating to crystallize an amorphous silicon thin film, and support members are installed at both lower surfaces of a silicon dioxide substrate to elastically support the silicon dioxide substrate such that power terminals closely contact both upper ends of the conductive thin film, thereby forming a uniform electric field at the conductive thin film to efficiently perform crystallization within a short time. | 12-16-2010 |
20110121308 | THIN FILM TRANSISTOR AND MANUFACTURING METHOD THEREOF - Provided are a thin film transistor including a polycrystalline silicon layer having improved crystallinity by applying Joule heat to form stress gradient in a glass substrate that is disposed under an amorphous silicon layer from a surface to a predetermined depth of the glass substrate, thereby crystallizing the amorphous silicon layer into a polycrystalline silicon layer, and a method of fabricating the same. The film transistor includes a glass substrate having stress gradient from an upper surface to a predetermined depth, a semiconductor layer disposed on the glass substrate, and formed of a polycrystalline silicon layer crystallized by Joule heating, a gate insulating layer disposed on the semiconductor layer, a gate electrode disposed on the gate insulating layer, an interlayer insulating layer disposed on the gate electrode, and source and drain electrodes disposed on the interlayer insulating layer, and electrically connected to source and drain regions of the semiconductor layer. | 05-26-2011 |
20120043017 | Joule Heat Encapsulating Apparatus and Encapsulating Method Using the Same - In a Joule heat encapsulating apparatus and an encapsulating method using the same, a panel is mounted on a stage, the panel including a thermal-hardening type sealant for surrounding and sealing a display unit formed between a first substrate and a second substrate, a heat-generating wiring overlapping the thermal-hardening type sealant, and an electric current application wiring connected to the heat-generating wiring. A cap is employed to form a sealed space, in which the panel is arranged, between the stage and the cap. An exhaustion mechanism for exhausting air in the sealed space, and a power applying mechanism connected to the electric current application wiring for supplying a current to the heat-generating wiring, are provided. As a result, a stable encapsulating structure which prevents permeation of oxygen or moisture may be easily formed. | 02-23-2012 |
20120056523 | Flat panel display apparatus and mother substrate for flat panel display apparatus - A flat panel display apparatus includes a first substrate having a display region, a second substrate facing the first substrate and bonded to the first substrate, a groove portion in an edge of at least one of the first substrate and the second substrate, and a wiring portion and a bonding member arranged in the groove portion. The bonding member contacts the wiring portion. The wiring portion is configured to receive power and to supply heat to the bonding member. The bonding member is configured to bond the first substrate and the second substrate using the heat supplied from the wiring portion disposed in the groove portion. | 03-08-2012 |
20120074838 | FLAT PANEL DISPLAY AND METHOD OF MANUFACTURING THE SAME - Flat panel displays and methods of manufacturing the displays are disclosed. In one embodiment, the flat panel display includes: i) a substrate, ii) a display unit formed over the substrate, iii) an encapsulation substrate formed so as to face the display unit and iv) a sealing member formed between the substrate and the encapsulation substrate so as to substantially surround the display unit. The display may further include i) a wiring unit formed between the substrate and the encapsulation substrate so as to substantially overlap with the sealing member, wherein the wiring unit includes at least one via hole and ii) an inlet unit connected to the wiring unit and connectable to an external power source. | 03-29-2012 |
20120075781 | Flat panel display apparatus and method of manufacturing the same - A flat panel display apparatus with improved sealing characteristics, and a method of manufacturing the same. The flat panel display apparatus includes a substrate; a display unit disposed on the substrate; a sealing substrate disposed to face the display unit; a sealing member disposed between the substrate and the sealing substrate to surround the display unit; a wiring unit disposed between the substrate and the sealing substrate to overlap the sealing member; a first protective layer disposed between the sealing member and the wiring unit; and inlets formed to be electrically connected to an external power source and the wiring unit to apply a voltage to the wiring unit. | 03-29-2012 |
20120105413 | FLAT PANEL DISPLAY APPARATUS AND METHOD OF MANUFACTURING FLAT PANEL DISPLAY APPARATUS - A flat panel display apparatus includes a substrate, a display unit on the substrate, a sealing substrate facing the display unit, a sealing member between the substrate and the sealing substrate surrounding the display unit, a wiring unit between the substrate and the sealing substrate with an area overlapped with the sealing member, the wiring unit comprising a plurality of separate wiring members, and a leading unit comprising a main body unit, a connection unit, and an intermediate unit that are integrally formed and where the leading unit is configured to receive a voltage applied to the wiring unit from an external power source. The connection unit is connected to the wiring unit, the main body unit is connected to the external power source, the intermediate unit is arranged between the connection unit and the main body unit, and a width of the connection unit decreases away from the main body unit. | 05-03-2012 |
20120106044 | Flat Panel Display Apparatus and Method for Manufacturing the Same - In a flat panel display apparatus and a method of manufacturing the same, the flat panel display apparatus includes a substrate, a display unit disposed on the substrate, a sealing substrate disposed facing the display unit, a sealing member disposed between the substrate and the sealing substrate so as to surround the display unit, a wiring unit disposed between the substrate and the sealing substrate so as to partially overlap the sealing member, and at least three inlet portion groups to which voltage is applied via an external power source. The inlet portion groups are connected to the wiring unit. Each inlet portion group includes a plurality of sub-inlet portions. | 05-03-2012 |
20120106098 | Flat Panel Display Apparatus and Method of Manufacturing the Same - In a flat panel display apparatus having improved sealing and a method of manufacturing the same, the flat panel display apparatus comprises: a substrate; a display unit disposed on the substrate; a sealing substrate facing the display unit; a sealing member interposed between the substrate and the sealing substrate and surrounding the display unit; and a plurality of wiring groups comprising areas overlapping the sealing member between the substrate and the sealing substrate; wherein the wiring groups are disposed so as to surround the display unit, are spaced apart from an area corresponding to an edge of the display unit, and receive voltage from an external power source. | 05-03-2012 |
20120164819 | APPARATUS AND METHOD FOR MANUFACTURING POLY-SI THIN FILM - An apparatus and method for fabricating a polycrystalline silicon (poly-Si) thin film are provided. The apparatus includes a chamber, a substrate stage installed at a lower portion in the chamber and on which a substrate including a conductive layer is located, a power application unit installed at an upper portion in the chamber and including an electrode terminal applying power to the conductive layer, and a conductive pad interposed between the electrode terminal and the conductive layer. Thus, it is possible to form a uniform electric field on the conductive layer, and to form a good quality of poly-Si thin film. | 06-28-2012 |
20120224342 | Flat Panel Display Apparatus, Mother Substrate for Flat Panel Display Apparatus, Method of Manufacturing the Flat Panel Display Apparatus, and Method of Manufacturing the Mother Substrate for the Flat Panel Display Apparatus - A flat panel display apparatus having improved encapsulating characteristics comprises: a substrate; a display unit on the substrate; a sealing substrate disposed facing the display unit; a sealing member between the substrate and the sealing substrate and surrounding the display unit; a wiring unit between the substrate and the sealing substrate and overlapping at least the sealing member, and including wiring members separated from each other; and an inlet unit electrically connected to a power source and the wiring unit for applying voltage to the wiring unit, and including an edge parallel with an outermost wiring member of the wiring unit. A mother substrate for the display apparatus comprises a substrate, a plurality of display units, a sealing substrate, a sealing member, wiring units, a connection unit, and an inlet unit. Methods of manufacturing the display apparatus and the mother substrate are also disclosed. | 09-06-2012 |
20130033834 | Flat Panel Display Apparatus, Mother Substrate for Flat Panel Display Apparatus, Method of Manufacturing Flat Panel Display Apparatus, and Method of Manufacturing Mother Substrate for Flat Panel Display Apparatus - A flat panel display apparatus may include: a substrate; a display portion arranged on the substrate; an encapsulation substrate arranged to face the display portion; a sealing portion arranged between the substrate and the encapsulation substrate and surrounding the display portion; a wiring portion arranged between the substrate and the encapsulation substrate and having an area overlapping the sealing portion, and comprising a plurality of wiring members having different respective resistances; and a lead-in portion connected to the wiring portion and an external power source for applying a voltage to the wiring portion. | 02-07-2013 |
20130047920 | DEPOSITION DEVICE FOR FORMING ORGANIC LAYER USING JOULE-HEATING AND DEVICE FOR FABRICATING ELECTROLUMINESCENT DISPLAY DEVICE USING THE DEPOSITION DEVICE - There are provided a deposition device for forming an organic layer using Joule heating and a device for fabricating an electroluminescent display device using the deposition device that includes a cleansing device, an organic matter coating device, an electric field applying device and a loadlock chamber. The cleansing device cleanses a donor substrate. The organic matter coating device coats an organic matter on the donor substrate. The electric field applying device allows the organic matter to be transferred onto an element substrate. Here, the organic matter is heated by the Joule-heating generated by applying an electric field to the donor substrate having the organic matter formed thereon. The loadlock chamber loads or carries out the donor substrate into/from the electric field applying device. Accordingly, the present invention is advantageous in fabricating a large-scale element, and it is possible to increase a processing speed and to reduce device cost. | 02-28-2013 |
20130089954 | METHOD OF FABRICATING ELECTRONIC DEVICE HAVING FLEXIBLE DEVICE - There is provided a method of fabricating an electronic device having a flexible device, which is fabricated using a support substrate by Joule-heating induced film separation (JIFS). A method of fabricating an electronic device having a flexible device includes providing a support substrate, coating a conductive layer on one surface of the support substrate, forming a plastic substrate on the other surface of the support substrate, forming one or more thin-film transistors (TFTs) on the plastic substrate, forming an electronic device electrically connected to any one of the TFTs, and separating the plastic substrate from the conductive layer by generating Joule-heating through application of an electric field to the conductive layer. Accordingly, the flexible device can be separated from the support substrate without deformation of the support substrate and degradation of the electronic device. Since the separation time is short, it is easy to fabricate a large-area device, and the fabrication yield can be improved. | 04-11-2013 |
20130267055 | DEPOSITION SUBSTRATE OF DEPOSITION APPARATUS, METHOD OF FORMING LAYER USING THE SAME, AND METHOD OF MANUFACTURING ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE - Provided are a deposition substrate of a deposition apparatus, a method of forming a layer using the same, and a method of manufacturing an organic light emitting diode (OLED) display device. The method of forming a layer using the deposition substrate includes preparing a substrate, forming a heating conductive layer for Joule heating on the substrate, forming a first insulating layer on the heating conductive layer for Joule heating and including a groove or hole, forming a deposition material layer on a top surface of the first insulating layer having the groove or hole, and applying an electric field to the heating conductive layer for Joule heating to perform Joule-heating on the deposition material layer. Thus, the method is suitable for manufacturing a large-sized device. | 10-10-2013 |
20140050847 | DEPOSITION DEVICE AND DEPOSITION METHOD USING JOULE HEATING - Provided are a deposition method of patterning a thin film on a substrate using momentary Joule heating in a vacuum environment, and a method thereof. The deposition device forms a deposition target layer on one surface of a source substrate as a pattern to be deposited. A deposition target layer forming unit forms a deposition target layer on the one surface of the source substrate to cover the conductive layer. A chamber in a vacuum state receives the source substrate on which the conductive layer and the deposition target layer are formed and the target substrate. A target substrate is disposed in the chamber to face the source substrate. A power supply applies power to the conductive layer to heat-generate the conductive layer. A configuration of the deposition device is very simple, and it is easy to uniformly form a deposition thickness. | 02-20-2014 |
Patent application number | Description | Published |
20130051373 | SIGNAL TRANSMISSION METHOD AND APPARATUS FOR CELL SEARCH IN WIRELESS COMMUNICATION SYSTEM - Methods and apparatus for transmitting and receiving signals are provided for facilitating a cell search in a wireless communication system supporting various types of multicarrier transmission. A carrier type indication signal indicating a type of carrier supported by the base station is generated. The carrier type indication signal is transmitted with synchronization signals, to one or more terminals in a cell of the base station. A type of a carrier supported by a base station is determined based on a carrier type indication signal transmitted by the base station. A cell search procedure is performed to access the base station according to the type of the carrier supported by the base station. | 02-28-2013 |
20130121276 | METHOD AND APPARATUS FOR TRANSMITTING CONTROL INFORMATION IN WIRELESS COMMUNICATION SYSTEMS - A method for transmitting control information by a base station in a wireless communication system is provided. The method includes determining a precoder to be applied to a resource and a Demodulation Reference Signal (DMRS) port, the resource being used to transmit the control information, and the DMRS port corresponding to the resource and being used to transmit a DMRS, precoding the resource and the DMRS port by using the determined precoder, and transmitting the control information and the DMRS to a user equipment. | 05-16-2013 |
20130322372 | METHOD AND APPARATUS FOR TRANSMITTING/RECEIVING PHYSICAL CHANNELS IN COMMUNICATION SYSTEM SUPPORTING CARRIER AGGREGATION - A physical channel transmission method using inter-eNB carrier aggregation is provided for improvement of peak data rate and system throughput in a wireless communication system. The physical channel transmission method of a terminal in a communication system supporting carrier aggregation includes receiving carrier aggregation configuration information from a network; aggregating a plurality of carriers according to the carrier aggregation configuration information; and transmitting an uplink control channel on a common uplink frequency on which a plurality of base stations join the carrier aggregation. | 12-05-2013 |
20140071862 | UPLINK TRANSMISSION METHOD AND APPARATUS IN INTER-ENB INTER-DUPLEX CARRIER AGGREGATION SYSTEM - A method and apparatus are provided for transmitting uplink signals including feedback for use in scheduling at different evolved Node Bs (eNBs) without intermodulation interference, especially in cases where the User Equipment (UE) is connected to an inter-duplex inter-eNB system in which the cooperation between eNBs is very slow or non-existent. | 03-13-2014 |
20140112272 | METHOD AND APPARATUS FOR USING CHANNEL OUTPUT FEEDBACK IN MULTI USER WIRELESS SYSTEMS AND HYBRID-ARQ - A method and apparatus for transmitting and receiving a signal using a channel output feedback in a wireless communication system and Hybrid-Automatic Repeat Request (ARQ) are provided. The method and apparatus include a transmitter configured to transmit to a base station and a first packet on a precoder received from the base station. A receiver configured to receive, from the base station, a Channel Output Feedback (COF) of the transmitted first packet and information for transmitting a second packet. A controller configured to prepare a variant of the second packet using the COF and the received information for transmitting the second packet, and to control to transmit the prepared variant to the base station. | 04-24-2014 |
20140112413 | DIFFERENTIAL CODEBOOK FOR TEMPORALLY-CORRELATED MISO DUAL-POLARIZATION ANTENNA - A code word selection method performed by a User Equipment (UE) in a wireless communication system is provided. The method includes generating a rotation matrix using previously selected codeword; generating a new differential code book using the rotation matrix and a differential code book; selecting a code word from the new differential code book; and performing data transmission using the selected code word. | 04-24-2014 |
20140171073 | DISCOVERY SIGNAL TRANSMISSION/RECEPTION METHOD AND APPARATUS FOR USE IN MOBILE COMMUNICATION SYSTEM - A discovery signal transmission/reception method and an apparatus for improving energy efficiency of the system are provided. The discovery signal transmission method of a base station in a mobile communication system according to the present disclosure includes acquiring a discovery signal configuration of a neighbor cell, transmitting the discovery signal configuration to a terminal, receiving a measurement report including a result of measurement on a discovery signal of the neighbor from the terminal, the measurement being performed based on the discovery signal configuration, and determining whether to make a handover decision for the terminal based on the measurement report. The discovery signal transmission/reception method of the present disclosure is advantageous in improving energy efficiency of a mobile communication system. | 06-19-2014 |
20140185560 | METHOD AND APPARATUS FOR TRANSMITTING CONTROL INFORMATION IN WIRELESS COMMUNICATION SYSTEMS - A method for transmitting control information by a base station in a wireless communication system is provided. The method includes determining a precoder to be applied to a resource and a Demodulation Reference Signal (DMRS) port, the resource being used to transmit the control information, and the DMRS port corresponding to the resource and being used to transmit a DMRS, precoding the resource and the DMRS port by using the determined precoder, and transmitting the control information and the DMRS to a user equipment. | 07-03-2014 |
20140219270 | METHOD AND APPARATUS FOR PROVIDING COMMON TIME REFERENCE IN WIRELESS COMMUNICATION SYSTEM - A terminal and method of performing device-to-device (D2D) communication by a terminal in a wireless communication system is provided. The method includes determining if a signal including synchronization information is received via at least one of an uplink and a downlink; and when the signal including the synchronization information is not received, transmitting a synchronization information-containing signal. | 08-07-2014 |
20140233475 | SCRAMBLING SEQUENCE GENERATION METHOD AND APPARATUS FOR USE IN DEVICE-TO-DEVICE COMMUNICATION - A scrambling sequence generation method and apparatus of a device supporting Device-to-Device communication are provided. The method includes acquiring at least one of an identifier of the device, an identifier of a counterpart device and a preconfigured value; determining an initial value of the scrambling sequence for the Device-to-Device communication based on the at least one of the identifier of the device, the identifier of the counterpart device, and the preconfigured value; and generating the scrambling sequence using the initial value. | 08-21-2014 |
20140233476 | METHOD AND APPARATUS FOR POWER CONTROL AND MULTIPLEXING FOR DEVICE TO DEVICE COMMUNICATION IN WIRELESS CELLULAR COMMUNICATION SYSTEM - A method of controlling power of a user equipment for device to device communication in a wireless communication system, and a user equipment thereof, are provided. The method includes receiving power control related information of the D2D communication from a Base Station (BS), determining transmission power of the UE based on maximum available power of the UE and the received power control related information of the D2D communication, and transmitting data according to the determined transmission power. | 08-21-2014 |
20140256369 | DEVICE-TO-DEVICE COMMUNICATION METHOD AND APPARATUS FOR USE IN WIRELESS COMMUNICATION SYSTEM - A method for allowing terminals to exchange discovery or synchronization signals to determine their presences among each other within a service area of a base station is provided. The method includes collecting multicast identifiers of another terminal for use in multicast communication, receiving a multicast control channel for Device-to-Device (D2D) multicast communication, performing Cyclic Redundancy Check (CRC) on the received multicast control channel using the collected multicast identifiers, and receiving, when the CRC is successful, the D2D multicast according to the multicast control channel. The D2D communication method and apparatus is advantageous in that the D2D terminal is capable of transmitting the discovery or synchronization signal to discover the neighbor terminals without disturbing downlink or uplink communication between the base station and the terminal, wherein the base station configures the resource for D2D communication so as to support D2D communication without an inter-device interference. | 09-11-2014 |
20140269519 | METHOD AND APPARATUS FOR TRANSMITTING/RECEIVING CONTROL CHANNEL IN WIRELESS COMMUNICATION SYSTEM - A control channel transmission/reception method and apparatus is provided. The base station of the present invention transmits configuration information on a control channel to a terminal, checks an aggregation level for use in transmitting the control channel, maps Demodulation Reference Signal (DMRS) to resource elements in a resource block depending on the aggregation level, determines, when the resource elements of the DMRS correspond to a first resource element set, whether to map the DMRS to resource elements corresponding to a second resource element set in the resource block, and transmits the DMRS and control channel to the terminal according to the determination result. | 09-18-2014 |
20140301228 | DEVICE-TO-DEVICE COMMUNICATION METHOD AND APPARATUS FOR USE IN WIRELESS COMMUNICATION SYSTEM - Methods and apparatuses are provided for Device-to-Device (D2D) communication in a wireless communication system. A terminal receives a D2D communication initiation message from a base station. The terminal measures strength of a received signal on a radio resource predetermined for use in the D2D communication. The terminal transmits a measurement report of the strength of the received signal to the base station. The terminal receives allocation of a resource in the radio resource for transmitting a discovery signal to another terminal for the D2D communication from the base station. | 10-09-2014 |
20140323126 | METHOD AND APPARATUS FOR INDICATING DISCOVERY SIGNAL RESOURCES IN DEVICE-TO-DEVICE WIRELESS COMMUNICATIONS - Methods and apparatuses are provided for indicating a discovery signal resource by a User Equipment (UE) performing device-to-device communication. The UE receives information relating to the device-to-device communication from a base station. A synchronization signal including discovery signal-related information, is transmitted from the UE to a nearby UE, based on the information relating to the device-to-device communication. A discovery is performed based on the discovery signal-related information. | 10-30-2014 |
20150163781 | METHOD AND APPARATUS FOR TRANSMITTING CONTROL INFORMATION IN WIRELESS COMMUNICATION SYSTEMS - A method for transmitting control information by a base station in a wireless communication system is provided. The method includes determining a precoder to be applied to a resource and a Demodulation Reference Signal (DMRS) port, the resource being used to transmit the control information, and the DMRS port corresponding to the resource and being used to transmit a DMRS, precoding the resource and the DMRS port by using the determined precoder, and transmitting the control information and the DMRS to a user equipment. | 06-11-2015 |
20150163783 | METHOD AND APPARATUS FOR TRANSMITTING CONTROL INFORMATION IN WIRELESS COMMUNICATION SYSTEMS - A method for transmitting control information by a base station in a wireless communication system is provided. The method includes determining a precoder to be applied to a resource and a Demodulation Reference Signal (DMRS) port, the resource being used to transmit the control information, and the DMRS port corresponding to the resource and being used to transmit a DMRS, precoding the resource and the DMRS port by using the determined precoder, and transmitting the control information and the DMRS to a user equipment. | 06-11-2015 |
20150195063 | METHOD AND APPARATUS FOR OPERATING SOUNDING IN WIRELESS COMMUNICATION SYSTEM IN WHICH UPLINK CONTROL CHANNEL RESOURCE DYNAMICALLY CHANGES - The present invention relates to a procedure for transceiving a sounding reference signal and to a method for operating sounding in a wireless communication system in which an uplink control channel resource dynamically changes. More particularly, the method for transmitting a sounding reference signal by a terminal in a wireless communication system according to the present invention comprises the steps of: receiving uplink/downlink configuration information transmitted from a base station; checking whether a conflict occurs between a physical uplink control channel (PUCCH) resource region based on the uplink/downlink configuration information and a sounding reference signal (SRS); and skipping the transmission of the SRS upon the occurrence of a conflict. The present invention has the advantage of efficiently solving the problem of conflicts between the SRS and the uplink control channel resource without increasing the power consumption burden in the terminal or without excessive restrictions on an SRS transmission subframe or sounding band. | 07-09-2015 |
20150215763 | METHOD AND DEVICE FOR DETECTING AND GENERATING SYNCHRONIZATION SIGNAL FOR DEVICE-TO-DEVICE WIRELESS COMMUNICATION - Provided is a method of generating a Device-to-Device Synchronization Signal (D2DSS) by a terminal according to an embodiment of the present disclosure. The method includes determining a service attribute for identifying whether the terminal is serviced by at least one base station; and generating a D2DSS for identifying whether the terminal is serviced by the base station, based on the determination result. In addition, provided is a method of configuring D2D synchronization by a terminal according to an embodiment of the present disclosure. The method includes receiving a signal from at least one base station or another device; determining whether a synchronization signal is detected from the received signal; and when the synchronization signal is detected, configuring synchronization with the another device based on the timing reference of the detected synchronization signal. | 07-30-2015 |
Patent application number | Description | Published |
20080212532 | APPARATUS AND METHOD FOR ALLOCATING RESOURCES IN A SINGLE CARRIER-FREQUENCY DIVISION MULTIPLE ACCESS SYSTEM - An apparatus and method for allocating resources in an Single Carrier-Frequency Division Multiple Access (SC-FDMA) communication system are provided, in which a Node B determines on a cell basis whether to turn or off inter-subband hopping and whether to turn on or off mirroring for a resource unit for the UE on a frequency axis along which at least two subbands are defined, at set hopping times, selects a resource unit by selectively performing inter-subband hopping and mirroring on the resource unit for the UE according to the determination, and allocates the selected resource unit to the UE. | 09-04-2008 |
20080212556 | APPARATUS AND METHOD FOR ALLOCATING RESOURCES IN A SINGLE CARRIER-FREQUENCY DIVISION MULTIPLE ACCESS SYSTEM - An apparatus and method for allocating resources in an Single Carrier-Frequency Division Multiple Access (SC-FDMA) communication system are provided, in which a Node B performs inter-subband hopping on a resource unit for a User Equipment (UE) on a frequency axis along which at least two subbands are defined, at each predetermined hopping time, determines whether to turn on or off mirroring in a subband having the hopped resource unit on a cell basis at the each hopping time, selects a resource unit by selectively mirroring the hopped unit according to the determination, and allocates the selected resource unit to the UE. | 09-04-2008 |
20080298497 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING UPLINK CHANNEL SOUNDING REFERENCE SIGNALS IN A WIRELESS COMMUNICATION SYSTEM - Provided is a method for transmitting an uplink Channel Sounding (CS) Reference Signal (RS) channel in a wireless communication system. The method includes transmitting symbols of the CS RS channel through an entire system band in a previously selected at least one of Long Blocks (LBs) constituting one time slot of a subframe; and transmitting symbols of control channels through a predetermined band in LBs remaining after symbols of the CS RS channel are applied in the time slot, by applying an orthogonal sequence determined according to the number of LBs to which symbols of the CS RS channel are applied. | 12-04-2008 |
20090316756 | APPARATUS AND METHOD FOR TRANSMISSION OF SOUNDING REFERENCE SIGNAL IN UPLINK WIRELESS COMMUNICATION SYSTEMS WITH MULTIPLE ANTENNAS AND SOUNDING REFERENCE SIGNAL HOPPING - A sounding reference signal transmission method which is efficient in an uplink wireless telecommunications system using a multiple antenna technique and sounding reference signal hopping. A terminal using the multiple antenna technique is equipped with a plurality of antennas, and a base station receives the sounding reference signal transmitted from these antennas and estimates the uplink channel state of each antenna. Moreover, the sounding reference signal performs frequency hopping so that the base station determines the channel condition for the entire bandwidth to which data is transmitted in the uplink system. The sounding reference signal is transmitted through an antenna pattern in which the sounding reference signal can be transmitted through the entire data transmission bandwidth of the uplink system for each antenna of the terminal without additional overhead in this environment. | 12-24-2009 |
20100158078 | METHOD AND APPARATUS FOR FREQUENCY ASSIGNMENT IN A FREQUENCY HOPPING MODE OF A WIRELESS COMMUNICATION SYSTEM - A frequency allocation method and apparatus using a mirroring-assisted frequency hopping pattern is provided for retransmission in a wireless communication system operating in frequency hopping mode. A frequency allocation method for a wireless communication system operating in frequency hopping mode includes generating a mirroring pattern having a mirroring-assisted frequency hopping interval identical with a data retransmission interval; and allocating different frequency bands for an initial transmission and retransmission by performing frequency hopping according to the mirroring pattern. Preferably, the mirroring-assisted frequency hopping interval is shorter than the data retransmission interval. | 06-24-2010 |
20130010832 | METHOD AND APPARATUS FOR FREQUENCY ASSIGNMENT IN A FREQUENCY HOPPING MODE OF A WIRELESS COMMUNICATION SYSTEM - A frequency allocation method and apparatus using a mirroring-assisted frequency hopping pattern is provided for retransmission in a wireless communication system operating in a frequency hopping mode. A frequency mapping method for a wireless communication system operating in a frequency hopping mode includes determining whether or not mirroring is used in accordance with a number of packet transmissions; mapping a frequency resource for a packet transmission based on a result of the determination; and receiving a packet using the mapped frequency resource. | 01-10-2013 |
20130070706 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING UPLINK CHANNEL SOUNDING REFERENCE SIGNALS IN A WIRELESS COMMUNICATION SYSTEM - A method is provided for transmitting uplink control information by a terminal in a cellular communication system. The method includes receiving system information associated with uplink transmission of a Sounding Reference Signal (SRS) from a base station; determining an orthogonal sequence having a first length or a second length predefined; transmitting uplink control information to which a first orthogonal sequence is applied, if the first orthogonal sequence having the first length is determined; and transmitting uplink control information to which a second orthogonal sequence is applied, if the second orthogonal sequence having the second length is determined. The SRS is selectively transmitted with the uplink control information, based on the received system information, and the uplink control information, to which the first orthogonal sequence having the first length is applied, is transmitted regardless of whether or not the SRS is transmitted in a corresponding slot. | 03-21-2013 |
20130107840 | APPARATUS AND METHOD FOR TRANSMISSION OF SOUNDING REFERENCE SIGNAL IN UPLINK WIRELESS COMMUNICATION SYSTEMS WITH MULTIPLE ANTENNAS AND SOUNDING REFERENCE SIGNAL HOPPING | 05-02-2013 |
20130121249 | Method and apparatus for transmitting system information in a mobile communication system - A method and apparatus are provided for transmitting system information in a mobile communication system. The method includes configuring system information including first antenna configuration information and second antenna configuration information, and broadcasting the system information. The first antenna configuration information includes information about a number of antennas of a base station. | 05-16-2013 |
20130301492 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING FRAME CONFIGURATION INFORMATION IN TDD WIRELESS COMMUNICATION SYSTEM - A method and apparatus for transmitting Time Division Duplexing (TDD) configuration information by an evolved Node B (eNB) in a TDD wireless communication system are provided. The method includes determining a changed TDD configuration indicating a transmission direction of a plurality of sub-frames constituting a frame; generating a system information element including dynamic TDD configuration information indicating the changed TDD configuration; transmitting a system information block including the dynamic TDD configuration information; and sending a Media Access Control (MAC) message including information indicating whether a change in TDD configuration is activated. | 11-14-2013 |
20140086127 | METHOD AND APPARATUS FOR USING A PLURALITY OF CELLS IN COMMUNICATION SYSTEM - Methods and apparatus for using a plurality of cells by an evolved NodeB (eNB) in a communication system are provided. A first eNB, which manages a first cell and is providing a communication service to a User Equipment (UE) located in the first cell, determines to provide the communication service to the UE together with a second cell of a second eNB, which neighbors the UE. A cell addition request message, making a request for aggregation of the first cell and the second cell, is transmitted to the second eNB to provide the communication service. When a cell addition response message, accepting the request for aggregation of the first cell and the second cell, is received from the second eNB, a cell activation request message, making a request for activation of the second cell, is transmitted to the second eNB. | 03-27-2014 |
20140112373 | METHOD AND APPARATUS FOR FREQUENCY ASSIGNMENT IN A FREQUENCY HOPPING MODE OF A WIRELESS COMMUNICATION SYSTEM - A frequency allocation method and apparatus using a mirroring-assisted frequency hopping pattern is provided for retransmission in a wireless communication system operating in a frequency hopping mode. A frequency mapping method for a wireless communication system operating in a frequency hopping mode includes determining whether or not mirroring is used in accordance with a number of packet transmissions; mapping a frequency resource for a packet transmission based on a result of the determination; and receiving a packet using the mapped frequency resource. | 04-24-2014 |
20140161094 | METHOD AND APPARATUS FOR TRANSMITTING DOWNLINK HYBRID AUTOMATIC REPEAT REQUEST INFORMATION IN WIRELESS COMMUNICATION SYSTEM - A method and an apparatus and for transmitting downlink Hybrid Automatic Repeat request (HARQ) information in a wireless communication system are provided. In the method, at least one Physical Resource Block (PRB) for transmitting a Physical HARQ Indicator Channel (PHICH) signal is set among all PRBs forming an available frequency band. A PHICH resource is determined within the set at least one PRB. A PHICH signal is transmitted using the determined PHICH resource. | 06-12-2014 |
20140247800 | METHOD AND DEVICE FOR MONITORING FREQUENCY DOMAIN-BASED WIRELESS LINK IN WIRELESS COMMUNICATION SYSTEM - The present disclosure relates to a technique for radio link monitoring in a wireless communication system, and to operation procedures of the base station and user equipment and a method for radio link quality evaluation on the basis of the technique. In the method, the user equipment divides the downlink channel bandwidth into multiple frequency ranges, measures channel states for each frequency range, and evaluates the radio link quality based on channel state measurement results. Thereafter, the user equipment sends frequency range quality information to the base station, which may then utilize the same for downlink resource allocation. Hence, it is possible to solve the problem of the existing scheme wherein the user equipment enters the physical layer problem detection state or the radio link failure state although a frequency range usable for service provisioning is present within the downlink channel bandwidth. | 09-04-2014 |
20140286176 | APPARATUS AND METHOD FOR RADIO LINK MONITORING IN A WIRELESS COMMUNICATION SYSTEM - An apparatus and method for radio link monitoring in a wireless communication system are provided, in which a transmission point communicating with a network where a Base Station (BS) and at least one Remote Radio Head (RRH) coexist within a cell receives Reference Signal Configuration Information (RSCI) from the network to which the transmission point belongs, receives RSs of at least one RS type indicated by the received RSCI from the BS and the at least one RRH that coexist within the cell, and performs radio link monitoring using the received RSs of the at least one RS type. | 09-25-2014 |
20140321405 | APPARATUS AND METHOD FOR ALLOCATING RESOURCES IN A SINGLE CARRIER-FREQUENCY DIVISION MULTIPLE ACCESS SYSTEM - Methods and apparatuses are provided for transmitting data in a subframe including two slots in a communication system. Resource allocation information is received at a UE. The UE determines a resource for data transmission based on the resource allocation information, whether hopping is enabled, whether mirroring is enabled, and whether hopping is intra-subframe and inter-subframe hopping or inter-subframe hopping. Data is transmitted via the determined resource from the UE to a Node B | 10-30-2014 |
20140348144 | TERMINAL SIGNAL TRANSMISSION TIMING RANDOMISATION METHOD AND DEVICE IN WIRELESS COMMUNICATION SYSTEM - The present disclosure relates to a terminal signal transmission timing randomisation method and device in a wireless communication system, and the terminal signal transmission method in a wireless communication system of the present disclosure comprises the steps of: receiving, from a base station, setting information for randomising transmission timing with respect to a signal transmitted by a terminal; determining the transmission timing for the signal in accordance with the setting information; and transmitting the signal to the base station in accordance with the determined transmission timing. | 11-27-2014 |
20150098431 | APPARATUS AND METHOD FOR ALLOCATING RESOURCES IN A SINGLE CARRIER-FREQUENCY DIVISION MULTIPLE ACCESS SYSTEM - Methods and apparatuses are provided for transmitting data. An index of a first resource block is obtained from a scheduling grant. A user equipment determines value related to hopping based on a sequence generated by cell specific information. The user equipment determines a value related to mirroring based on the sequence generated by the cell specific information. The user equipment determines a second resource block for uplink transmission by the index of the first resource block, the value related to hopping, and the value related to mirroring. | 04-09-2015 |
20150098490 | METHOD AND APPARATUS FOR FREQUENCY ASSIGNMENT IN A FREQUENCY HOPPING MODE OF A WIRELESS COMMUNICATION SYSTEM - A method and an apparatus are provided for transmitting and receiving uplink data in a wireless communication system. The method includes transmitting an uplink grant including resource allocation information and frequency hopping information; determining a resource for the uplink data based on the resource allocation information and a packet transmission number, if the frequency hopping information indicates that a predefined hopping pattern is enabled; and receiving the uplink data mapped on the determined resource. Mirroring is alternatively applied for determining the resource based on the packet transmission number. | 04-09-2015 |
20150146763 | APPARATUS AND METHOD FOR TRANSMISSION OF SOUNDING REFERENCE SIGNAL IN UPLINK WIRELESS COMMUNICATION SYSTEMS WITH MULTIPLE ANTENNAS AND SOUNDING REFERENCE SIGNAL HOPPING - Disclosed is a sounding reference signal transmission method which is efficient in an uplink wireless telecommunications system using a multiple antenna technique and sounding reference signal hopping. A terminal is equipped with a plurality of antennas, and a base station receives the sounding reference signal transmitted from these antennas and estimates the uplink channel state of each antenna. The sounding reference signal performs frequency hopping so that the base station determines the channel condition for the entire bandwidth to which data is transmitted in the uplink system. In this environment, the sounding reference signal is transmitted through an antenna pattern through the entire data transmission bandwidth of the uplink system for each antenna of the terminal without additional overhead. | 05-28-2015 |
20150208405 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING UPLINK CHANNEL SOUNDING REFERENCE SIGNALS IN A WIRELESS COMMUNICATION SYSTEM - Methods and apparatuses are provided for transmitting uplink control information by a terminal in a wireless communication system. The uplink control information is transmitted in a sub-frame comprising a first slot and a second slot by applying a first orthogonal sequence in the first slot and a second orthogonal sequence in the second slot. A reference signal is transmitted in the first slot. A length of the first orthogonal sequence is shorter than a length of the second orthogonal sequence. | 07-23-2015 |
20150270939 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING REFERENCE SIGNAL IN DEVICE-TO-DEVICE COMMUNICATION - A method and an apparatus for generating a sequence including a demodulation reference signal (DM RS) and a preamble in device-to-device (D2D) communications are provided. The method includes obtaining, by a controller of an apparatus, a synchronization identify of a synchronization signal used for the D2D communication, obtaining a group identify of a communication group where a terminal belongs, generating a DM RS sequence for the D2D communication based on at least one of the synchronization identity and the group identity, mapping the DM RS sequence to predetermined symbol positions in a subframe, and transmitting the DM RS sequence from the terminal through the subframe. | 09-24-2015 |
20150304006 | APPARATUS AND METHOD FOR TRANSMISSION OF SOUNDING REFERENCE SIGNAL IN UPLINK WIRELESS COMMUNICATION SYSTEMS WITH MULTIPLE ANTENNAS AND SOUNDING REFERENCE SIGNAL HOPPING - Disclosed is a sounding reference signal transmission method which is efficient in an uplink wireless telecommunications system using a multiple antenna technique and sounding reference signal hopping. A terminal is equipped with a plurality of antennas, and a base station receives the sounding reference signal transmitted from these antennas and estimates the uplink channel state of each antenna. The sounding reference signal performs frequency hopping so that the base station determines the channel condition for the entire bandwidth to which data is transmitted in the uplink system. In this environment, the sounding reference signal is transmitted through an antenna pattern through the entire data transmission bandwidth of the uplink system for each antenna of the terminal without additional overhead. | 10-22-2015 |
20150305018 | APPARATUS AND METHOD FOR ALLOCATING RESOURCES IN A SINGLE CARRIER-FREQUENCY DIVISION MULTIPLE ACCESS SYSTEM - An apparatus and a method are provided for transmitting data by a UE in a communication system using SC-FDMA. The method includes receiving resource information from a Node B; determining a hopping parameter; determining a mirroring parameter using a random sequence for a cell; determining a resource for data transmission based on the received resource information; and transmitting the data using the resource for data transmission. Hopping and mirroring are performed at a slot. | 10-22-2015 |
Patent application number | Description | Published |
20130173647 | STRING MATCHING DEVICE BASED ON MULTI-CORE PROCESSOR AND STRING MATCHING METHOD THEREOF - The inventive concept relates to string matching device and method based on a multi-core processor. A string matching method according to an embodiment of the inventive concept includes sorting patterns based on a suffix block; allocating the sorted patterns to pattern storage units of respective cores; and executing string matching on a target text using patterns stored at the pattern storage unit. By the string matching device and method according to an embodiment of the inventive concept, there may increase availability on hardware resources based on a multi-core processor. Also, it is possible to reduce computation for string matching by performing pre-processing on sorted patterns. Thus, it is possible to reduce an execution time of a string matching operation. | 07-04-2013 |
20130191446 | SERVER, ARITHMATIC PROCESSING METHOD, AND ARITHMATIC PROCESSING SYSTEM - A computing method is provided which includes calling a general purpose graphics processing subroutine for execution of a target program by a client; sending a program code and resource data for execution of the target program to a server by the client; and executing the program code using a general purpose graphics processing unit by the server. | 07-25-2013 |
20130207983 | CENTRAL PROCESSING UNIT, GPU SIMULATION METHOD THEREOF, AND COMPUTING SYSTEM INCLUDING THE SAME - A central processing unit (CPU) according to embodiments of the inventive concept may include an upper core allocated with a main thread and a plurality of lower cores, each of the plurality of the lower cores being allocated with at least one worker thread. The worker thread may perform simulation operations on operation units of a graphic processing unit (GPU) to generate simulation data, and the main thread may generate synchronization data based on the generated simulation data. | 08-15-2013 |
20130254386 | SCHEDULING APPARATUS AND METHOD FOR LOAD BALANCING WHEN PERFORMING MULTIPLE TRANSCODING OPERATIONS - According to one embodiment, a scheduling method for load balancing in an electronic device such as a server when performing multiple transcoding operations includes performing a first transcoding operation in order to transmit at least one moving image file to a first terminal. The server receives a request from a second terminal to transmit at least one moving image file while performing the first transcoding. The server performs a second transcoding operation in order to transmit the requested moving image file to the second terminal. The server monitors output frame rates of the first transcoding operation and the second transcoding operation, to control the output frame rates. | 09-26-2013 |
20130297679 | DISTRIBUTED TRANSCODING APPARATUS AND METHOD USING MULTIPLE SERVERS - In one embodiment, a distributed transcoding method using a plurality of servers includes receiving a request for a first video file from a first terminal, distributing and requesting a first transcoding of the first video file to at least two second servers according to performance rates of the second servers, before receiving the first video file with the completed first transcoding completed from the second server, receiving a request for a second video file from a second terminal, and distributing and requesting a second transcoding of the second video file to the second servers according to the performance rates of the second servers. | 11-07-2013 |
20150195565 | VIDEO ENCODING AND DECODING METHODS BASED ON SCALE AND ANGLE VARIATION INFORMATION, AND VIDEO ENCODING AND DECODING APPARATUSES FOR PERFORMING THE METHODS - A video encoding and decoding methods and apparatuses for performing the methods thereof are provided. The video encoding method includes: determining a region in a current image having a change in at least one of a scale and an angle with respect to a reference image; generating variation information representing a variation in at least one of the scale and the angle between the region in the current image and a reference region in the reference image corresponding to the region in the current image; and encoding residual information representing a difference between a predicted sample value from the reference image and a sample value of the current image based on the generated variation information. | 07-09-2015 |
20150288970 | VIDEO ENCODING METHOD AND APPARATUS FOR PARALLEL PROCESSING USING REFERENCE PICTURE INFORMATION, AND VIDEO DECODING METHOD AND APPARATUS FOR PARALLEL PROCESSING USING REFERENCE PICTURE INFORMATION - Provided is a video encoding method for a parallel process. The video encoding method includes performing an inter prediction and an intra prediction for pictures included in a group of picture (GOP) and determining an encoding order and reference dependency between the pictures included in the GOP, and generating a predetermined data unit including reference relation information generated based on the encoding order and reference dependency between the pictures included in the GOP. | 10-08-2015 |
Patent application number | Description | Published |
20080232161 | RESISTANCE VARIABLE MEMORY DEVICE AND READ METHOD THEREOF - A memory system includes a resistance variable memory device, and a memory controller for controlling the resistance variable memory device. The resistance variable memory device includes a memory cell connected to a bitline, a high voltage circuit adapted to generate a high voltage from an externally provided power source voltage, where the high voltage is higher than the power source voltage, a precharging circuit adapted to charge the bitline to the power source voltage and further charge the bitline to the high voltage, a bias circuit adapted to provide a read current to the bitline with using the high voltage, and a sense amplifier adapted to detect a voltage level of the bitline with using the high voltage. | 09-25-2008 |
20100118595 | RESISTANCE VARIABLE MEMORY DEVICES AND READ METHODS THEREOF - A resistance-variable memory device includes memory cells, a high voltage circuit, a precharging circuit, a bias circuit, and a sense amplifier. Each memory cell may, for example, include a resistance-variable material and a diode connected to a bitline. The high voltage circuit provides a high voltage from a power source. The precharging circuit raises the bitline up to the high voltage after charging the bitline up to the power source voltage. The bias circuit supplies a read current to the bitline using the high voltage. The sense amplifier compares a voltage of the bitline with a reference voltage by means of the high voltage. | 05-13-2010 |
20100320433 | Variable Resistance Memory Device and Method of Manufacturing the Same - A variable resistance memory device includes a substrate, a plurality of active lines formed on the substrate, are uniformly separated, and extend in a first direction, a plurality of switching devices formed on the active lines and are separated from one another, a plurality of variable resistance devices respectively formed on and connected to the switching devices, a plurality of local bit lines formed on the variable resistance devices, are uniformly separated, extend in a second direction, and are connected to the variable resistance devices, a plurality of local word lines formed on the local bit lines, are uniformly separated, and extend in the first direction, a plurality of global bit lines formed on the local word lines, are uniformly separated, and extend in the second direction, and a plurality of global word lines formed on the global bit lines, are uniformly separated, and extend in the first direction. | 12-23-2010 |