Patent application number | Description | Published |
20110084987 | Liquid crystal display and scanning back light driving method thereof - A liquid crystal display (LCD) device and method of the driving the same is disclosed. According to an embodiment of the present invention, an LCD device includes a liquid crystal display panel; a plurality of backlight sources configured to provide light to the liquid crystal display panel; a scanning backlight controller configured to generate a pulse width modulation (PWM) signal for controlling a turn-on time and a turn-off time of the light sources and a current control signal for controlling a driving current of the backlight light sources; and a plurality of light source drivers configured to turn on and off the backlight sources in response to the PWM signal and control the driving current of the backlight sources in response to the current control signal. | 04-14-2011 |
20110157260 | 3D IMAGE DISPLAY DEVICE - A 3-dimensional (3D) image display device includes a liquid crystal panel configured to alternately display a left-eye image and a right-eye image in a cycle of unit frame period, a data driving circuit configured to drive data lines of the liquid crystal panel, a gate driving circuit configured to drive gate lines of the liquid crystal panel, a timing controller configured to divide the unit frame period into N sub-frame periods for each of the left-eye image and the right-eye image, where N is an integer equal to or greater than 2, a plurality of light sources configured to generate light to be radiated to the liquid crystal panel, a light source control circuit configured to generate a backlight control signal to control a turn-on time of the plurality of light sources, and a light source driving circuit configured to turn off all the light sources during a first N-1 subframe periods and turn on all the light sources during a last subframe period. | 06-30-2011 |
20120147062 | Liquid Crystal Display and Scanning Back Light Driving Method Thereof - A liquid crystal display includes a scanning backlight controller, that calculates a turn-on duty ratio of a pulse width modulation (PWM) signal for controlling turn-on and turn-off operations of light sources, and a light source driver, that synchronizes a frequency of the PWM signal with a frame frequency or synchronizes the frequency of the PWM signal with the frame frequency, changes the calculated turn-on duty ratio of the PWM signal to a maximum value, and adjusts an amplitude of the PWM signal based on a changed degree of the turn-on duty ratio of the PWM signal, based on the result of a comparison between the turn-on duty ratio of the PWM signal and a previously determined critical value, and then sequentially drive the light sources along a data scanning direction of the liquid crystal display panel. | 06-14-2012 |
Patent application number | Description | Published |
20100283096 | SEMICONDUCTOR DEVICE AND METHOD FOR FABRICATING THE SAME - A semiconductor device including a conductive layer, a diffusion barrier layer formed over the conductive layer, including a refractory metal compound, and acquired after a surface treatment, and a metal silicide layer formed over the diffusion barrier layer. The adhesion between a diffusion barrier layer and a metal silicide layer may be improved by increasing the surface energy of the diffusion barrier layer through a surface treatment. Therefore, although the metal silicide layer is fused in a high-temperature process, it is possible to prevent a void from being caused at the interface between the diffusion barrier layer and the metal silicide layer. Moreover, it is possible to increase the adhesion between a conductive layer and the diffusion barrier layer by increasing the surface energy of the conductive layer through the surface treatment. | 11-11-2010 |
20110045666 | METHOD FOR FABRICATING SEMICONDUCTOR DEVICE - A method for fabricating a semiconductor device, including forming gate patterns over a substrate, forming conductive layer covering top and sidewalls of each gate pattern, forming a metal layer for a silicidation process over the conductive layer, and silicifying the conductive layer and the gate patterns using the metal layer. | 02-24-2011 |
20140370702 | SEMICONDUCTOR DEVICE AND METHOD FOR FABRICATING THE SAME - A semiconductor device including a conductive layer, a diffusion barrier layer formed over the conductive layer, including a refractory metal compound, and acquired after a surface treatment, and a metal silicide layer formed over the diffusion barrier layer. The adhesion between a diffusion barrier layer and a metal silicide layer may be improved by increasing the surface energy of the diffusion barrier layer through a surface treatment. Therefore, although the metal silicide layer is fused in a high-temperature process, it is possible to prevent a void from being caused at the interface between the diffusion barrier layer and the metal silicide layer. Moreover, it is possible to increase the adhesion between a conductive layer and the diffusion barrier layer by increasing the surface energy of the conductive layer through the surface treatment. | 12-18-2014 |
Patent application number | Description | Published |
20100120711 | AMPK POTENTIATOR CONTAINING CHITO-OLIGOSACCHARIDE - Disclosed herein is a composition for promoting AMPK activity, which comprises a chito-oligosaccharide as an active ingredient. The present composition affects the enzymes related to AMPK and lipid metabolism, and thus helps recovery from the condition lacking energy by various functions of controlling metabolism. Therefore, the present composition can enhance energy metabolism, thus making the composition effective for improving exercise capacity and reducing fatigue. The present composition can be used in the preparation of food or medicinal product as an endurance builder or for the prevention and improvement of fatigue. | 05-13-2010 |
20110224166 | COMPOSITION FOR ACTIVATING MITOCHONDRIA (As Amended) - The present invention relates to a composition for activating mitochondria which contains a chitooligosaccharide as an active constituent. The chitooligosaccharide can increase the activity of mitochondrial enzymes and increase the amount of mitochondrial DNA, and thus it can be suitably used as an active constituent in the composition for activating mitochondria. | 09-15-2011 |
20110268824 | COMPOSITION FOR PREVENTING OR TREATING ARTHEROSCLEROSIS - A composition according to the present invention is a composition containing extract of | 11-03-2011 |
20120070520 | COMPOSITION CONTAINING A BEAN EXTRACT FOR IMPROVING BLOOD CIRCULATION AND INCREASING VASCULAR HEALTH - The present invention relates to a composition containing a bean extract extracted by low-concentration, low-grade alcohol or fractions thereof. The composition exhibits excellent effects in improving blood circulation, improving obesity, and preventing diabetes, hyperlipidemia and the like, and exhibits the effects of alleviating or treating the symptoms of diabetes, hyperlipidemia, and the like. The present invention also relates to a method for improving blood circulation and vascular health. | 03-22-2012 |
20120076874 | COMPOSITION WITH IMPROVED BIOAVAILABILITY OF SAPONIN AND METHOD FOR IMPROVING THE BIOAVAILABILITY OF SAPONIN (AS AMENDED) - The present invention relates to a | 03-29-2012 |
20120083525 | COMPOSITION FOR PREVENTING OR TREATING OBESITY-RELATED DISEASES MEDIATED BY THE ACTIVATION OF AMPK AND INCLUDING 2,5-BIS-ARYL-3,4-DIMETHYLTETRAHYDROFURAN LIGNANS AS ACTIVE INGREDIENTS - The present invention relates to a 2,5-bis-aryl-3,4-dimethyltetrahydrofuran lignan compound which activates nutmeg-derived AMP-activated protein kinase (AMPK), and to a composition including same as active ingredients for preventing and treating metabolic syndromes such as obesity. More particularly, the present invention relates to an AMPK-activating compound comprising one of the 2,5-bis-aryl-3,4-dimethyltetrahydrofuran lignan-based compounds produced by extracting | 04-05-2012 |
20130017280 | COMPOSITION FOR ACCELERATING CHANGE IN MUSCLE TYPEAANM Cho; Si YoungAACI SeoulAACO KRAAGP Cho; Si Young Seoul KRAANM Lee; Ji HaeAACI Gyeonggi-doAACO KRAAGP Lee; Ji Hae Gyeonggi-do KRAANM Bae; Il HongAACI Gyeonggi-doAACO KRAAGP Bae; Il Hong Gyeonggi-do KRAANM Song; Min JeongAACI Gyeonggi-doAACO KRAAGP Song; Min Jeong Gyeonggi-do KRAANM Yeo; Hyeon JuAACI SeoulAACO KRAAGP Yeo; Hyeon Ju Seoul KRAANM Seo; Dae BangAACI Gyeonggi-doAACO KRAAGP Seo; Dae Bang Gyeonggi-do KRAANM Kim; Wan GiAACI Gyeonggi-doAACO KRAAGP Kim; Wan Gi Gyeonggi-do KRAANM Lee; Sang JunAACI Gyeonggi-doAACO KRAAGP Lee; Sang Jun Gyeonggi-do KR - The present invention provides a composition for accelerating a change in muscle type, increasing the amount of muscle, strengthening muscle, enhancing athletic abilities, reducing lipids, suppressing the accumulation of lipids, lowering blood sugar, controlling body weight or lowering body weight, containing a PPAR-δ promoter, an AMPK promoter and a PGC1-α promoter as an active ingredient | 01-17-2013 |
20130028921 | COMPOSITION COMPRISING COUMESTROL OR A BEAN EXTRACT CONTAINING COUMESTROL - The present invention relates to a composition which comprises as an active ingredient coumestrol or a bean extract containing coumestrol, whereby adipocyte differentiation is inhibited, the immune system of the body is improved, toxic substances are purged, and neurodegenerative disorders are prevented or improved. | 01-31-2013 |
20130071342 | COSMETIC COMPOSITION COMPRISING COUMESTROL OR A BEAN EXTRACT CONTAINING COUMESTROL FOR SKIN CARE - The present invention relates to a cosmetic composition for skin care, comprising coumestrol or a bean extract containing coumestrol. | 03-21-2013 |
20130090377 | COMPOSITION COMPRISING COUMESTROL OR A BEAN EXTRACT CONTAINING COUMESTROL - The present invention relates to a composition for activating mitochondria comprising coumestrol or a bean extract containing coumestrol. | 04-11-2013 |
20140120187 | COMPOSITION FOR ACCELERATING CHANGE IN MUSCLE TYPE - The present invention provides a composition for accelerating a change in muscle type, increasing the amount of muscle, strengthening muscle, enhancing athletic abilities, reducing lipids, suppressing the accumulation of lipids, lowering blood sugar, controlling body weight or lowering body weight, containing a PPAR-δ promoter, an AMPK promoter and a PGC1-α promoter as an active ingredient | 05-01-2014 |
20140187620 | COMPOSITION COMPRISING COUMESTROL OR A BEAN EXTRACT CONTAINING COUMESTROL - The present invention relates to a composition which comprises as an active ingredient coumestrol or a bean extract containing coumestrol, whereby adipocyte differentiation is inhibited, the immune system of the body is improved, toxic substances are purged, and neurodegenerative disorders are prevented or improved. | 07-03-2014 |
20140187621 | COMPOSITION COMPRISING COUMESTROL OR A BEAN EXTRACT CONTAINING COUMESTROL - The present invention relates to a composition which comprises as an active ingredient coumestrol or a bean extract containing coumestrol, whereby adipocyte differentiation is inhibited, the immune system of the body is improved, toxic substances are purged, and neurodegenerative disorders are prevented or improved. | 07-03-2014 |
20140187622 | COMPOSITION COMPRISING COUMESTROL OR A BEAN EXTRACT CONTAINING COUMESTROL - The present invention relates to a composition which comprises as an active ingredient coumestrol or a bean extract containing coumestrol, whereby adipocyte differentiation is inhibited, the immune system of the body is improved, toxic substances are purged, and neurodegenerative disorders are prevented or improved. | 07-03-2014 |
Patent application number | Description | Published |
20100131813 | METHOD FOR SELECTING PMI FOR NON-ADAPTIVE HARQ OPERATION IN A MIMO WIRELESS COMMUNICATION SYSTEM - A method for efficiently acquiring precoding information and transmitting an uplink signal using the precoding information in a User Equipment (UE) in a Multiple Input Multiple Output (MIMO) scheme is disclosed. The UE receives from a Base Station (BS) a scheduling grant signal including precoding matrix information to be used for an uplink signal transmission from the UE, precodes an uplink signal using the precoding matrix information included in the received scheduling grant signal, and transmits the precoded uplink signal initially to the BS. When retransmitting the uplink signal, if a scheduling grant signal is not received for the retransmission from the BS, the uplink signal is precoded and retransmitted using precoding matrix information included in a latest scheduling grant signal received for transmission of an uplink signal having a Hybrid Automatic Repeat reQuest (HARQ) process number equal to an HARQ process number of the uplink signal to be retransmitted. | 05-27-2010 |
20110274023 | ERROR PROPAGATION PROTECTION IN NON-BINARY MULTIPLE ACK/NACKS - A scheme of error decoupling for carrier aggregation techniques to support a communication system is provided. The communication system operates with up to 2 codewords for up to 5 carriers, each codeword of each carrier having one acknowledgement/negative acknowledgement (ACK/NACK) or discontinuous transmission (DTX) to enable Hybrid Automatic Repeat reQuest (HARQ) to operate in each carrier. The scheme involves the steps of: performing separation of bits related to ACK, NACK, DTX for each carrier using up to 2 codewords; determining a maximum number of bits related to ACK, NACK, DTX when decoupling is not performed after a maximum number of carriers are used; and grouping the carriers such that separation between ACK, NACK, DTX of each carrier is optimized as long as the maximum number of bits is not exceeded. | 11-10-2011 |
20110283157 | METHOD FOR TRANSMITTING INFORMATION OF ACK/NACK SEQUENCE IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS THEREFOR - A method for transmitting information of ACK/NACK (Acknowledgement/Negative ACK) sequence from a receiver in a wireless communication system is disclosed. A receiver receives a plurality of data from a transmitter, and determines one ACK/NACK sequence including ACKs/NACKs corresponding to each of the plurality of data. If two or more ACKs are included in the ACK/NACK sequence, the receiver selects a combination of a first HARQ (Hybrid Automatic Repeat reQuest) transmission resource and a first modulation symbol corresponding to a certain ACK of the two or more ACKs, and selects a combination of a second HARQ transmission resource and a second modulation symbol corresponding to ACKs other than the certain ACK of the two or more ACKs. Thus, the receiver transmits each of the first modulation symbol and the second modulation symbol to the transmitter using the first HARQ transmission resource and the second HARQ transmission resource, respectively. | 11-17-2011 |
20120008666 | ENHANCED BLOCK CODING METHOD BASED ON SMALL SIZE BLOCK CODE - A scheme of enhanced block coding based on small size block code is provided. Such is achieved by obtaining extended basis sequences for a (32, O) code with O=1, 2, . . . 12; selecting an offset starting value that produces maximum error correction capability in each O value; and generating basis sequences for a (48, O) code based on the obtained extended basis sequences for the (32, O) code with the offset starting value selected based on the selecting step. The offset starting value could be selected as 18, which results in the largest sum of distances. | 01-12-2012 |
20140341143 | METHOD OF SENDING/RECEIVING CONTROL INFORMATION AND DEVICE THEREFOR - The present invention relates to a wireless communication system. In particular, the present invention relates to a method and device for receiving control information regarding a coordinated multi-point (CoMP) set including a first cell and a second cell from a serving/transmitting point in a carrier aggregation (CA) based wireless communication system. The present invention includes: receiving information regarding the size of control information through higher-layer signaling; and monitoring a plurality of control channel candidates for each cell of the CoMP set through the first cell in the CoMP set and detecting the control information, wherein the size of information of the control information candidate for each cell is equally determined based on information regarding the size of control information. | 11-20-2014 |
Patent application number | Description | Published |
20100046668 | DIGITAL IF WIRELESS TRANSMITTER, RF MODULATOR, AND RF MODULATING METHOD - Provided are a digital IF wireless transmitter, an RF modulator, and an RF modulating method. A digital IF wireless transmitter includes an IF up-converting unit up-converting a baseband I signal and a baseband Q signal on the basis of a first IF, a first operating unit subtracting the first IF-up-converted I signal and the first IF-up-converted Q signal, a D/A converting unit analog converting an output signal of the first operating unit, an IF modulating unit separating the same first and second signals from the output signal of the D/A converting unit, and modulating the first and the second signals on the basis of a second IF, a high-pass filtering unit passing a single sideband of the modulated first signal, a miss-matching correcting unit correcting an error of the modulated second signal, a second operating unit subtracting an output signal of the high-pass filtering unit and an output signal of the miss-matching correcting unit, a feedback unit receiving a feedback signal output from the second operating unit, detecting an error of the feedback signal, and providing the detected error to the miss-matching correcting unit, and an RF up-converting unit up-converting the output signal of the second operating unit on the basis of an RF. | 02-25-2010 |
20100062738 | APPARATUS AND METHOD FOR ELIMINATING OUTBAND INTERFERENCE SIGNAL - Provided is an apparatus and method for eliminating an outband interference signal. An apparatus for eliminating an interference signal includes a first mixer, a filter unit, a second mixer, and an operation unit. The first mixer downconverts a received signal containing an outband interference signal. The filter unit extracts the downconverted outband interference signal from the downconverted received signal. The second mixer upconverts the downconverted outband interference signal to restore the outband interference signal to the original frequency band. The operation unit subtracts and eliminates the restored outband interference signal from the received signal. | 03-11-2010 |
20110148822 | Three-Dimensional Space Touch Apparatus Using Multiple Infrared Cameras - Disclosed herein is a 3D space touch apparatus. The 3D space touch apparatus includes a support, an infrared LED array, left and right infrared cameras, and a space touch sensor module. The support supports the infrared LED array and the left and right infrared cameras. The infrared LED array emits infrared rays, which form an infrared screen in a space above the support. The left and right infrared cameras are disposed on the left and right sides of the support so that the lenses thereof can be oriented to the infrared screen. The space touch sensor module calculates the X-, Y- and Z-axis coordinates of a location of the infrared screen, touched by user pointing means, using images captured by the left and right infrared cameras and information about the resolutions and angles of view of the left and right infrared cameras. | 06-23-2011 |
Patent application number | Description | Published |
20120002596 | METHOD FOR TRANSMITTING CONTROL SIGNAL TO RELAY NODE AT BASE STATION IN MIMO WIRELESS COMMUNICATION SYSTEM AND APPARATUS THEREFOR - A method for transmitting a control signal to a relay node at a base station in a multi-input multi-output (MIMO) wireless communication system is disclosed. The method comprises configuring relay-resource element groups (R-REGs) in a unit of four resource elements (REs) contiguous in the ascending order of subcarrier indexes, except for resource elements for a reference signal (RS); allocating transmission resources to the control signal in a unit of the relay-resource element group; and transmitting the control signal to the relay node by using the allocated transmission resources, wherein the resource elements for the reference signal include resource elements for channel state information-RS (CSI-RS), which include resource elements for a channel state information RS to which a transmission power of 0 is allocated. | 01-05-2012 |
20120039241 | METHOD FOR TRANSCEIVING DATA WITH BOTH A MOBILE STATION AND A RELAY STATION IN A BROADBAND WIRELESS COMMUNICATION SYSTEM - A method for transceiving data with both a mobile station and a relay station in a mobile communication system are disclosed. In a present invention, the base station transmits an ACK signal regardless of whether a result of the decoding is successful or unsuccessful to the terminal for using a uplink packet data transmitted from the relay station. And, the relay station operates two operation modes. Procedures of downlink/uplink packet data transmission according to the operation mode are disclosed. | 02-16-2012 |
20120120842 | METHOD AND APPARATUS FOR TRANSMITTING REFERENCE SIGNAL IN MULTIPLE INPUT MULTIPLE OUTPUT COMMUNICATION SYSTEM - Disclosed is a method for allocating a reerence signal, in a method for transmitting a Channel State Information-Reference Reference Signal (CSI-RS) for measuring a transmission channel according to each antenna and a data signal in a broadband wireless communication system based on a multiple input multiple output (MIMO) scheme through a plurality of antennas. | 05-17-2012 |
20120120903 | METHOD AND APPARATUS FOR TRANSMITTING REFERENCE SIGNAL FOR REDUCING INTER-CELL INTERFERENCE IN MULTIPLE INPUT MULTIPLE OUTPUT COMMUNICATION SYSTEM - Disclosed is a method for transmitting a reference signal, in a method for transmitting a Channel State Information-Reference Reference Signal (CSI-RS) for measuring a transmission channel according to each antenna and a data signal in a broadband wireless communication system based on a MIMO scheme through a plurality of antennas. | 05-17-2012 |
20130094460 | Methods for Transmitting and Receiving Channel State Information (CSI) and Apparatuses Thereof - A method for transmitting, by a user equipment (UE), a channel state information (CSI) in a wireless communication system is disclosed. The method includes receiving control information about a transmission of the CSI from a serving eNodeB, allocating a CSI combination composed of different CSIs to one subframe based on the received control information, and transmitting the CSI combination to the serving eNodeB in the allocated subframe, wherein the control information includes information on a maximum payload size of a CSI being able to be transmitted in one subframe, a transmission period and a transmission start time point of the CSI combination, and a transmission period and a transmission start time point of each of the different CSIs. | 04-18-2013 |
20130258896 | METHOD OF PERFORMING MEASUREMENT AT UE IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS THEREOF - A method of performing measurement at a user equipment (UE) in a wireless communication system is disclosed. The method includes receiving channel status information-reference signals (CSI-RSs) for channel status information feedback from a plurality of transmission points (TPs), performing radio resource management (RRM) measurement based on the CSI-RSs, and selecting one or more TPs for receiving a signal from among the plurality of TPs based on the result of measurement. | 10-03-2013 |
20130258897 | METHOD FOR REPORTING CHANNEL STATE INFORMATION IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS FOR SAME - The present invention relates to a wireless communication system. More particularly, the present invention relates to a method and an apparatus for reporting channel state information, the method and the apparatus comprising the following steps: measuring downlink signals from a plurality of base stations; feeding back a first channel state information on a first base station in subband units, wherein the first channel state information includes identification information for indicating a corresponding subband; and feeding back a second channel state information on a second base station in subband units, wherein the subband which corresponds to the second channel state information is set to be identical to the subband which corresponds to the first channel state information, and wherein the second channel state information does not include identification information for indicating the corresponding subband. | 10-03-2013 |
20130267222 | METHOD FOR REPORTING CHANNEL STATE INFORMATION IN WIRELESS COMMUNICATION SYSTEM, AND DEVICE THEREFOR - The present invention relates to a wireless communication system. Particularly, the present invention relates to a method and a device for reporting channel state information, the method comprising the steps of: carrying out operations for periodic reporting of a first channel state information item; and carrying out operations for periodic reporting of a second channel state information item, wherein the period for reporting the first channel state information item is longer than the period for reporting the second channel state information item, and the second channel state information item is determined on the basis of the first channel state information item. | 10-10-2013 |
20130279460 | METHOD FOR REPORTING CHANNEL STATUS INFORMATION IN A MULTI-CELL COOPERATIVE WIRELESS COMMUNICATION SYSTEM, AND DEVICE FOR SAME - The present invention relates to a method for reporting channel status information in a multi-cell cooperative wireless communication system, and to a device for same. In more detail, the method includes: receiving a reference signal from at least one of a serving cell and one or more neighboring cell; generating channel status information for multi-cell cooperative communication on the basis of the reference signal; dividing the channel status information for multi-cell cooperative communication on the basis of a predetermined feedback setting mode and allocating same on a plurality of subframes; and transmitting the channel status information for multi-cell cooperative communication to the serving cell by using the plurality of subframes. | 10-24-2013 |
20130279463 | METHOD FOR REPORTING CHANNEL STATE INFORMATION REQUIRING SEQUENTIAL TRANSMISSION IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS FOR SAME - Disclosed is a method for transmitting channel status information at a user equipment in a wireless communication system, which more particularly comprises the following steps: receiving a reference signal from a base station; generating at least one channel status information based on the reference signal; mapping the at least one channel status information to available subframes, based on a priority of the at least one channel status information; and transmitting the at least one channel status information to the base station using the available subframes, wherein, if an uplink transmission using a first available subframe of the available subframes is blocked and a first channel status information that is mapped to the first available subframe has priority over a second channel status information that is mapped to a second available subframe, which is a next available subframe of the first available subframe, the first channel status information is shifted to be mapped to the second available subframe. | 10-24-2013 |
20140022981 | METHOD AND DEVICE FOR HANDOVER IN MOBILE COMMUNICATION SYSTEM - An embodiment of the present invention relates to a method for a terminal to execute a handover in a mobile communication system, and comprises the steps of: receiving a handover command from a target base station; transmitting a random access preamble to the target base station; receiving a random access response from the target base station as a response to the random access preamble transmission, wherein information included in the random access response is obtained on a physical downlink shared channel (PDSCH) indicated by downlink allocation information included in a search space, and the information on the search space is included in information shared by a plurality of base stations including the target base station. | 01-23-2014 |
20140036881 | METHOD AND APPARATUS FOR TRANSMITTING CONTROL INFORMATION IN A WIRELESS COMMUNICATION SYSTEM - The embodiments of the present invention relate to a method for transmitting control information by a base station in a wireless communication system, wherein the method comprises a step of transmitting a physical downlink control channel (PDCCH). The downlink control information of the PDCCH may include an indicator indicating whether or not a reference signal is transmitted in a time domain corresponding to the subframe in which the PDCCH is transmitted. | 02-06-2014 |
20140071864 | METHOD AND APPARATUS FOR TRANSMITTING ACK/NACK INFORMATION IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus for transmitting ACK/NACK information in a wireless communication system are disclosed. In accordance with a method for transmitting ACK/NACK information, an ACK/NACK signal of downlink transmission in a downlink subframe set is transmitted in a single uplink subframe. In this case, if a first physical uplink control channel (PUCCH) format is established by a higher layer for a downlink receiver, and if one physical downlink shared channel (PDSCH) is transmitted in a downlink subframe set, the ACK/NACK information can be transmitted using a second PUCCH format on PUCCH resources established by a higher layer for the second PUCCH format. | 03-13-2014 |
20140241201 | FEEDBACK METHOD IN COORDINATED MULTI-POINT COMMUNICATION SYSTEM AND APPARATUS THEREOF - The present invention relates to a wireless communication system, and more specifically to a method and an apparatus for feeding back the muting point information in a coordinated multi-point communication system. A method for enabling a terminal to transmit feedback information for the coordinated transmission in the wireless communication system according to one embodiment of the present invention comprises the steps: receiving reference signals for the feedback of the channel state information from a plurality of base stations capable of participating in the coordinated transmission; measuring each channel state value for the plurality of base stations based on the reference signals; and transmitting the muting point information to indicate the preferring base station participating in the coordinated transmission among the plurality of base stations. | 08-28-2014 |
20140321359 | METHOD FOR TRANSMITTING CONTROL INFORMATION AND DEVICE THEREFOR - The present invention relates to a wireless communication system. More specifically, the present invention relates to a method and a device for reporting channel state information, wherein the method comprises the steps of: receiving configuration information for a period report of CSI from a first transmission point; and transmitting, to said first transmission point, a CSI report for the downlink of a transmission point corresponding to a corresponding subframe among a plurality of transmission points through each subframe that is periodically set according to said configuration information, wherein: one or more subframes corresponding to a second transmission point are used to transmit a CSI report for multi-transmission point cooperative transmission, if rank information reported to said first transmission point prior to said CSI report is a critical value or less; and one or more subframes corresponding to said second transmission point are used to transmit a CSI report for single-transmission point transmission, if the rank information reported to said first transmission point prior to said CSI report is said critical value or more. | 10-30-2014 |
20140341143 | METHOD OF SENDING/RECEIVING CONTROL INFORMATION AND DEVICE THEREFOR - The present invention relates to a wireless communication system. In particular, the present invention relates to a method and device for receiving control information regarding a coordinated multi-point (CoMP) set including a first cell and a second cell from a serving/transmitting point in a carrier aggregation (CA) based wireless communication system. The present invention includes: receiving information regarding the size of control information through higher-layer signaling; and monitoring a plurality of control channel candidates for each cell of the CoMP set through the first cell in the CoMP set and detecting the control information, wherein the size of information of the control information candidate for each cell is equally determined based on information regarding the size of control information. | 11-20-2014 |
Patent application number | Description | Published |
20110243085 | METHOD OF COOPERATIVE TRANSMISSION - A method and apparatus of cooperative transmission performed by a transmitter having a multi-antenna in a multi-cell is provided. A first data stream is transmitted to a first base station through a first data layer, and A second data stream is transmitted to a second base station through a second data layer. The first data stream and the second data stream may be generated from different codewords and are respectively mapped to the first data layer and the second data layer. | 10-06-2011 |
20110281585 | METHOD FOR PERFORMING A HANDOFF BY A COMP SET - Disclosed is a method for performing a handoff in a CoMP cluster. A user equipment measures a signal to interference-plus-noise ratio (SINR) value of each of the CoMP sets constituted by the combination of a plurality of base stations in one CoMP cluster. Then, the user equipment transmits the SINR value of each of the CoMP sets to a serving base station through a pilot strength measurement message (PSMM). Subsequently, the user equipment receives, from the serving base station, a message which instructs a handoff determined through the transmitted signal to interference-plus-noise ratio (SINR) values. | 11-17-2011 |
20110286415 | METHOD OF TRANSMITTING AND RECEIVING DATA IN A WIRELESS COMMUNICATION SYSTEM - A data transmitting method in a wireless communication system is disclosed. In transmitting data by a base station to a user equipment communicating with a plurality of cells in a wireless communication system, the present invention includes receiving, from the user equipment, information on timing differences of signals received by the user equipment from a plurality of the cells, defining a subframe for the user equipment according to the timing differences, and transmitting the data to the user equipment via the defined subframe. | 11-24-2011 |
20110292865 | METHOD FOR ALLOCATING BACKHAUL LINK RESOURCES IN RELAY COMMUNICATION SYSTEM, AND METHOD & APPARATUS FOR TRANSMITTING & RECEIVING DATA USING SAME - The present invention relates to a method and an apparatus for transmitting and receiving data in a relay communication system. The method and the apparatus allocate resources by dividing backhaul link resources into plural partitions, and then transmit and receive data. The data transmission method of the invention comprises the steps of: allocating a certain number of initial OFDM symbol transmission periods in a sub-frame of a downlink channel to a control channel that transfers the control information of the terminal, wherein data is transmitted from a base station to a relay or terminal through the downlink channel; dividing the resource blocks excluded from the control channel of the sub-frame into at least two partitions based on frequency domain; determining whether or not each divided partition is allocated to the relay or terminal as resources; and allocating data to the determined partition in order to transmit the partition to the relay or terminal through the downlink channel, wherein the partition determined for the allocation of resources to the relay is allocated to the relay through time division multiplexing (TDM) or frequency division multiplexing of both control and data channels of the relay. | 12-01-2011 |
20110299452 | METHOD FOR TRANSMITTING/RECEIVING DATA BETWEEN A RELAY AND A BASE STATION - The present invention provides a method for transmitting/receiving data to/from a relay. The data transmitting/receiving method comprises the steps of: enabling the relay to receive data on an n | 12-08-2011 |
20110310747 | METHOD FOR AVOIDING INTERFERENCE - The present invention provides a method for avoiding interference resulting from data transmission between an adjacent second base station and a second relay station placed within the coverage of the adjacent second base station. The method for avoiding interference comprises: receiving the radio resource scheduling information from the adjacent second base station; checking the radio resources used in the data transmission between the adjacent second base station and the second relay station based on the received radio resource scheduling information; and scheduling at least one radio resource among uplink radio resources and downlink radio resources for at least one first terminal and at least one first relay station which are connected to a first base station in order to avoid interference with the checked radio resource if the radio resource used in the data transmission from the second base station to the second relay station is checked as the uplink resource or if the radio resource used in the data transmission from the second relay station to the second base station is checked as the downlink resource. | 12-22-2011 |
20110317616 | METHOD AND APPARATUS FOR TRANSMITTING/RECEIVING DATA IN A RELAY COMMUNICATION SYSTEM - The present invention relates to a method and apparatus for data transmission, which properly use the time slot between a downlink transmission period and an uplink transmission period for a backhaul communication between a base station and a relay node in a time division multiplexing communication system. The method for data transmission in a relay communication system according to one embodiment of the present invention comprises the steps of: setting a data frame including a downlink subframe for transmitting a downlink signal, an uplink subframe for transmitting an uplink signal, and a special subframe existing between the downlink subframe and the uplink subframe; and transmitting/receiving data to/from the relay node or a terminal via the data frame set in the previous step. The special subframe includes a first transmission period and a second transmission period. The downlink signal is transmitted to the relay node or the terminal via the first transmission period, and the downlink signal is transmitted to the relay node via the second transmission period, and the terminal does not perform a reference signal decoding process during the second transmission period. Therefore, interference which may occur in the backhaul communication between the base station and the relay node can be minimized, the transmission volume of the backhaul communication between the base station and the relay node can be dynamically adjusted, and the backward compatibility between the present invention and conventional wireless communication systems and conventional terminals can be maintained at a maximum level. | 12-29-2011 |
20120033603 | SIGNAL TRANSMISSION METHOD AND APPARATUS IN A RELAY COMMUNICATION SYSTEM - The present invention relates to a data transmission/receiving method and apparatus in a relay communication system. In particular, the data transmission/receiving method through a backhaul link between a base station and a relay node in a relay communication system comprises: composing a backhaul subframe including a control signal transmission period to which a control signal is allocated and a backhaul signal transmission period to which a backhaul signal is allocated and then allocating the backhaul signal; transmitting configuration information about the backhaul subframe, the information containing symbol position or size data of the backhaul signal transmission period, to the relay node through an upper layer signal; and transmitting the backhaul signal having been allocated through the backhaul subframe to the relay node. | 02-09-2012 |
20120033608 | METHOD AND APPARATUS FOR TRANSMITTING A REFERENCE SIGNAL IN A RELAY COMMUNICATION SYSTEM - The present invention relates to a method and to an apparatus for transmitting reference signals in a relay communication system. The method for transmitting reference signals through a type 2 relay node in a relay communication system comprises: a step in which a base station allocates a plurality of antenna ports in a mutually exclusive manner so that the antenna port of the base station and the antenna port of the peripheral relay node do not overlap each other; a step in which the base station and the relay node transmit reference signals to user equipment through the respective antenna ports mutually exclusively allocated; and a step in which the base station receives a channel state information from the user equipment to obtain channel state information between the base station and the user equipment and channel state information between the relay node and the user equipment. | 02-09-2012 |
20120044828 | METHOD AND APPARATUS FOR RESOURCE MANAGEMENT IN A RELAY COMMUNICATION SYSTEM, AND METHOD AND APPARATUS FOR DATA RELAY USING SAME - Disclosed is a method for transmitting integrated packet data by a relay station (RS) in a multi-hop relay communication system, including: integrating a plurality of packet data received from mobile stations (MSs) and determining a data integration scheme for transmitting the integrated data to base station (BS); receiving packet data from MSs, classifying the received packet data into one or more integration packet classes according to the determined data integration scheme, and storing the same; determining QoS (Quality of Service) requirements and a MCS (Modulation and Coding Scheme) level of the stored integration packet classes; calculating required resource according to the determined MCS level and requesting an allocation of the resource from the BS; receiving an approval for resource allocation from the BS, and modulating and coding the integrated packet class, mapping the same to the resource to configure an integrated packet; and transmitting the configured integrated packet to the BS. | 02-23-2012 |
20120106433 | APPARATUS AND METHOD FOR COOPERATIVELY TRANSMITTING DOWNLINK BETWEEN BASE STATION AND RELAY STATION - The present invention relates to an apparatus and method for cooperatively transmitting a downlink between a base station and a relay station. According to one embodiment of the present invention, a method for cooperatively transmitting a downlink signal between a base station and a relay station in a wireless broadband communication system comprises the steps of: receiving cooperative transmission data from the base station and transmitting an acknowledgement message corresponding to the cooperative transmission data to the base station; receiving scheduling information for transmitting the cooperative transmission data by a cooperative transmission scheme; and transmitting the data cooperative transmission data to a terminal in reference to the scheduling information. | 05-03-2012 |
20120106437 | METHOD FOR PRIORITIZING OPERATION OF RELAY NODE IN A WIRELESS COMMUNICATION SYSTEM AND APPARATUS FOR THE SAME - Various methods and apparatuses for prioritizing operation of Relay Node are disclosed. A method for prioritizing the transmission and receipt of uplink signals in a relay node of a wireless communication system is presented. The method comprises determining radio resource requirements for receiving one or more access link signals and/or transmitting one or more backhaul link signal, determining the signal type of the one or more access link signals and/or determining the signal type of the one or more backhaul link signals, and selecting one of a transmitting mode operation and a receiving mode operation based on the radio resource requirements for receiving the one or more access link signals and/or transmitting the one or more backhaul link signals, and based on the signal type of the one or more access link signals and/or the signal type of the one or more backhaul link signals. | 05-03-2012 |
20120108255 | APPARATUS FOR TRANSMITTING A SIGNAL USING SCHEDULING INFORMATION IN A MOBILE COMMUNICATION SYSTEM AND METHOD FOR SAME - Disclosed are a method for transmitting scheduling information in a mobile communication system and a femtocell base station using the method. A femtocell base station transmits scheduling information using a layered scheduling system in which the femtocell base station receives an allocated resource from a macrocell base station, and allocates the resource to femtocell users within a resource region thereof. | 05-03-2012 |
20120134316 | METHOD FOR ALLOCATING REFERENCE SIGNALS OF A BACKHAUL LINK IN A RELAY COMMUNICATION SYSTEM, AND METHOD AND APPARATUS FOR TRANSMITTING/RECEIVING DATA USING SAME - The present invention relates to a method and to an apparatus for transmitting/receiving data in a relay communication system. The method comprises the steps of: setting, as a guard band, the first predetermined number of symbol transmission slots of a data transmission period in a subframe resource element of a downlink channel constituted by a control signal transmission period to which a control signal is allocated and the data transmission period to which downlink data is allocated; allocating reference signals to symbols of the data transmission period; puncturing the symbols corresponding to the guard band from among the symbols to which said reference signals are allocated; and transmitting signals to which said reference signals are allocated. | 05-31-2012 |
20130016764 | Apparatus and Method for Generating Codebook in a Wireless Communication System - An apparatus and method for generating a codebook in a wireless communication system are disclosed. The codebook generation apparatus includes a processor for generating a covariance matrix of a channel between the transmitting end and a receiving end, using a unitary matrix including a first vector corresponding to at least one quantized dominant singular singular vector of the channel and a second vector corresponding to at least one basis vector of a null space of the first vector, and transforming a predefined first codebook by applying the covariance matrix of the channel to the first codebook. | 01-17-2013 |
20140286184 | METHOD AND APPARATUS FOR TRANSMITTING REFERENCE SIGNAL FOR REDUCING INTERCELL INTERFERENCE IN MULTIPLE INPUT MULTIPLE OUTPUT COMMUNICATION SYSTEM - According to one embodiment, a method for receiving a Channel State Information-Reference Signal (CSI-RS) for measuring a channel includes: receiving CSI-RSs on resource elements (REs) in a subframe configured for the CSI-RSs from a base station, wherein if each CSI-RS of the received CSI-RSs is transmitted from each of four or more transmit antenna ports of the base station, at least two REs on which each CSI-RS is received are associated with each of the four or more transmit antenna ports; and transmitting channel state information based on the received CSI-RSs. | 09-25-2014 |
Patent application number | Description | Published |
20090003184 | Method of Moving Tracks, Method and Apparatus of Recording and/or Playback - A recording and/or playback apparatus and method and a method of moving tracks, and more particularly, an apparatus and method for efficiently seeking a track and recording and/or playback data on/from a recording medium, are disclosed. The method of moving tracks includes changing a gap between a lens part and a recording medium in correspondence with a distance of moving tracks when the lens moves from a current track to another track. Accordingly, it is possible to minimize or prevent the collision between the lens part and the recording medium and to efficiently seek the track to perform recording/reproduction when recording and/or playback data on/from the recording medium. | 01-01-2009 |
20090175146 | Data Recording/Reproducing Method and Apparatus - A data recording/reproducing method and apparatus which are capable of accurately and stably controlling a gap between a recording medium and a head of the data recording/reproducing apparatus are disclosed. The data recording/reproducing method includes: outputting at least one signal based on a light beam reflected from a recording medium; detecting a minimum value and a maximum value of the output signal; and adjusting a gap between a head of a data recording/reproducing apparatus and the recording medium according to the minimum value and the maximum value. | 07-09-2009 |
20090316550 | Recording/Reproducing Apparatus and Tracking Control Method - A recording/reproducing apparatus and a tracking control method which can perform data processing for reliably recording or reproducing data on or from a recording medium are disclosed. Tracking error signal (TE) is generated using difference signal (A−B) produced from reflected light from a recording medium and an offset included in the difference signal is compensated for using another reflected light received separately from the reflected light. Offset-compensated tracking error signal ((A−B)−k(C−D)) is obtained by subtracting another difference signal (C−D) produced from the separately received reflected light according to gain (k) from difference signal (A−B). Different gains may be used for areas on the recording medium having different reflectances. Thus, the tracking error signal can be compensated for an optical offset caused by lens movement and an offset caused by different reflectances and light radiated to the recording medium can accurately follow its track to perform reliable data processing. | 12-24-2009 |
20110228659 | COLLISION PREVENTION METHOD AND APPARATUS BETWEEN RECORDING MEDIUM AND LENS - A method and apparatus for preventing a collision between a recording medium and a lens are disclosed. The method for preventing the collision between the recording medium and the lens includes controlling a gap error signal (GES) between the recording medium and the lens to be maintained at a near field level, detecting a collision between the recording medium and the lens, pulling out the lens from the recording medium during a predetermined time so as to prevent a re-collision between the recording medium and the lens, and re-controlling the gap error signal (GES) between the recording medium and the lens to be re-maintained at the near field level. | 09-22-2011 |
Patent application number | Description | Published |
20090053857 | SEMICONDUCTOR PACKAGING METHOD - The present invention relates to a semiconductor packaging method. The method comprises (S | 02-26-2009 |
20090091044 | DICING DIE ATTACHMENT FILM AND METHOD FOR PACKAGING SEMICONDUCTOR USING SAME - A dicing die attachment film includes a die attachment layer attached to one surface of a semiconductor wafer; a dicing film layer attached to a dicing die that is used for cutting the semi-conductor wafer into die units; and an intermediate layer laminated between the die attachment layer and the dicing film layer. The intermediate layer has a modulus of 100 to 3000 MPa, which is greater than a modulus of the die attachment layer and the dicing film layer. | 04-09-2009 |
20090198013 | ADHESIVE FILM FOR SEMICONDUCTOR - An adhesive film for semiconductor is disclosed. The present invention provides an adhesive film for semiconductor used in semiconductor packaging, comprising an adhesive layer, wherein the adhesive layer has surface tension of 19 to 52 erg/cm at 60 ° C. Accordingly, the adhesive film for semiconductor according to the present invention may prevent bubbles from being formed between the adhesive film and a supporting member by controlling surface tension in an optimum condition, and also obtain higher reliability in use of the adhesive film in the semi-conductor packaging by controlling tackiness and adhesive force in an optimum condition. | 08-06-2009 |
20100087067 | METHOD FOR PACKAGING SEMICONDUCTOR - A method for packaging a semiconductor is provided to allow uniform coating of a die attachment paste, shorten a B-staging time, and improve die pick-up characteristics and die attachment characteristics. This method includes preparing a die attachment paste with a viscosity of 1,500 to 100,000 cps; rotating a wafer and applying the die attachment paste to an upper surface of the wafer into a predetermined thickness; and B-staging the paste applied on the wafer. This method makes it possible to reduce costs by substituting for WBL (Wafer Backside Lamination) film, uniformly apply a die attachment paste to a wafer, freely control a thickness of applied die attachment paste by adjusting viscosity and dosage of discharged paste and a speed of a spin coater, and also shorten a process time by decreasing a B-staging time. | 04-08-2010 |
20100176084 | SQUEEZE FOR SCREEN PRINTER - Disclosed is a squeeze for a screen printer. The present invention provides a squeeze for a screen printer, which coats a printed circuit board with an adhesive paste while moving parallel over a metal mask on the printed circuit board, the printed circuit board being open through an opening of the metal mask, the squeeze including a solvent storage unit for storing solvents; and solvent discharging holes for discharging the solvents, stored in the solvent storage unit, to an adhesive paste. Accordingly, the squeeze for a screen printer of the present invention may be useful to prevent a dog ear phenomenon, namely that an adhesive paste layer is asymmetrically formed in an indented manner, by controlling a viscosity of an adhesive paste by discharging a solvent onto an adhesive paste layer that comes in contact with the squeeze when the adhesive paste layer is formed in the printed circuit board. | 07-15-2010 |
20100317155 | MULTIFUNCTIONAL DIE ATTACHMENT FILM AND SEMICONDUCTOR PACKAGING USING THE SAME - A multifunctional die attachment film used in a semiconductor packaging process includes a first die attachment film attached to a surface of a wafer having fine circuit patterns and solder bump patterns and having a first adhesive strength; and a second die attachment film attached on the first die attachment film and having a second adhesive strength with a wafer, a die chip, PCB and a flexible board, and the multifunctional die attachment film serves as a backgrinding tape in a backgrinding process, and after the backgrinding process is completed, the multifunctional die attachment film is not removed, but is used to attach a die chip to a connection member. And, the present invention utilizes the die attachment film as a backgrinding tape in the backgrinding process and concurrently a wafer protection means in a wafer dicing process, thereby preventing sawing burr, scratches or cracks. | 12-16-2010 |
Patent application number | Description | Published |
20090313828 | Method For Manufacturing Evaporator For Loop Heat Pipe System - Provided is a method of manufacturing an evaporator for a loop heat pipe system including a condenser, a vapor transport line, and a liquid transport line, and more particularly, to a method of manufacturing an evaporator for a loop heat pipe system which provides a simple manufacturing process capable of improving a contact state between a sintered wick and a heating plate. | 12-24-2009 |
20090314472 | Evaporator For Loop Heat Pipe System - Provided is an evaporator for a loop heat pipe system including a condenser, a vapor transport line, and a liquid transport line, and more particularly, to an evaporator having an increased contact area between a sintered wick and a heating plate. | 12-24-2009 |
20100071880 | EVAPORATOR FOR LOOPED HEAT PIPE SYSTEM - An evaporator for a looped heat pipe (LHP) system, the evaporator including a plurality of wicks having pores formed therein; a plurality of heat transferring fins respectively having a wick coupler to be coupled to one of the plurality of wicks; a plurality of unit assemblies formed by respectively coupling each of the wicks and each of the heat transferring fins; an assembly structure formed by horizontally disposing the unit assemblies to enable a bottom surface of each of the unit assemblies to be located on a planar surface; a heat transferring plate coupled to a bottom part of the assembly structure; and a covering member coupled to the heat transferring plate. | 03-25-2010 |
20110073284 | EVAPORATOR FOR LOOP HEAT PIPE SYSTEM - An evaporator for a loop heat pipe (LHP) system. The evaporator an evaporator body for accommodating a sintered wick formed by sintering metal powders, a discharging hole for discharging a working fluid filled into voids formed between particles of the sintered wick and changed into a vapor due to being heated, and an inlet hole for introducing the working fluid changed into a liquid; a first chamber portion coupled to a side of the inlet hole, and including an inlet for introducing the working fluid in a liquid phase, and an accommodation space portion for accommodating the working fluid in a liquid phase; and a capillary structure that is porous and that is inserted into the accommodating space portion, wherein the working fluid in a liquid phase introduced through the inlet is introduced to the evaporator body through the capillary structure. | 03-31-2011 |
20130112375 | EVAPORATOR FOR LOOPED HEAT PIPE SYSTEM AND METHOD OF MANUFACTURING THE SAME - An evaporator for a looped heat pipe (LHP) system, in which a working fluid circulates to cool heat generating electronic components that generate heat during operation, the evaporator including: a body comprising an inlet through which the working fluid enters and an outlet through which the working fluid is discharged; a sintered wick that is included in the body, wherein the sintered wick is formed by sintering a metal powder, and a plurality of pores are formed in the sintered wick; and an additional layer that is formed on a vaporization surface of the sintered wick where evaporation of the working fluid occurs, wherein a plurality of through holes are formed in the additional layer such that the working fluid changed into a vapor state passes through the additional layer after passing the sintered wick. | 05-09-2013 |
20140144609 | EVAPORATOR FOR LOOPED HEAT PIPE SYSTEM AND METHOD OF MANUFACTURING THE SAME - An evaporator for a looped heat pipe (LHP) system, in which a working fluid circulates to cool a heat generating electronic component that generates heat during operation, the evaporator including: a body including an inlet through which the working fluid enters and an outlet through which the working fluid is discharged; a sintered wick that is included in the body, wherein the sintered wick is formed by sintering a copper powder, and a plurality of pores are formed in the sintered wick; and an additional layer that is formed on a surface of the sintered wick, wherein the additional layer is formed by sintering copper particles having a size smaller than that of the copper powder forming the sintered wick, and the working fluid moved from the sintered wick is changed in a vapor state to be discharged. | 05-29-2014 |