Patent application number | Description | Published |
20090154240 | NAND FLASH MEMORY DEVICES HAVING WIRING WITH INTEGRALLY-FORMED CONTACT PADS AND DUMMY LINES AND METHODS OF MANUFACTURING THE SAME - A NAND flash memory device includes a plurality of continuous conductors disposed on a common level of a multilayer substrate, the plurality of continuous conductors including respective conductive lines extending in parallel along a first direction, respective contact pads disposed at ends of the respective conductive lines and respective conductive dummy lines extending in parallel from the contact pads along a second direction | 06-18-2009 |
20090236651 | SEMICONDUCTOR DEVICES HAVING A CONVEX ACTIVE REGION - Methods of forming a semiconductor device include forming a trench mask pattern on a semiconductor substrate having active regions and device isolation regions. A thermal oxidation process is performed using the trench mask pattern as a diffusion mask to form a thermal oxide layer defining a convex upper surface of the active regions. The thermal oxide layer and the semiconductor substrate are etched using the trench mask pattern as an etch mask to form trenches defining convex upper surfaces of the active regions. The trench mask pattern is removed to expose the convex upper surfaces of the active regions. Gate patterns are formed extending over the active regions. | 09-24-2009 |
20110032763 | SEMICONDUCTOR DEVICES INCLUDING FIRST AND SECOND BIT LINES - In some embodiments, a semiconductor device includes first bit lines connected to respective first contacts. Spacers are disposed on sidewalls of the first bit lines. A second bit line is self-alignedly disposed between adjacent spacers, and a second contact is self-aligned with and connected to the second bit line. | 02-10-2011 |
20110103147 | NAND FLASH MEMORY DEVICES HAVING WIRING WITH INTEGRALLY-FORMED CONTACT PADS AND DUMMY LINES AND METHODS OF MANUFACTURING THE SAME - A NAND flash memory device includes a plurality of continuous conductors disposed on a common level of a multilayer substrate, the plurality of continuous conductors including respective conductive lines extending in parallel along a first direction, respective contact pads disposed at ends of the respective conductive lines and respective conductive dummy lines extending in parallel from the contact pads along a second direction | 05-05-2011 |
20120147674 | Nonvolatile Memory Devices that Utilize Dummy Word Line Segments to Inhibit Dishing During Fabrication - A NAND flash memory device includes a plurality of continuous conductors disposed on a common level of a multilayer substrate, the plurality of continuous conductors including respective conductive lines extending in parallel along a first direction, respective contact pads disposed at ends of the respective conductive lines and respective conductive dummy lines extending in parallel from the contact pads along a second direction | 06-14-2012 |
20130102151 | METHODS OF MANUFACTURING NAND FLASH MEMORY DEVICES - A NAND flash memory device includes a plurality of continuous conductors disposed on a common level of a multilayer substrate, the plurality of continuous conductors including respective conductive lines extending in parallel along a first direction, respective contact pads disposed at ends of the respective conductive lines and respective conductive dummy lines extending in parallel from the contact pads along a second direction | 04-25-2013 |
Patent application number | Description | Published |
20090308547 | One Cord Blind - Disclosed is a one cord blind that has a simplified structure enabling it to be easily manufactured, prevents a safety accident by not using a ball chain, makes an interior design neat and enables a roll screen to move upward and downward by a rotating cord or hands, so that the upward and downward operations can be easily made. | 12-17-2009 |
20110247768 | Child-Resistant Roller Blind Apparatus - A child-resistant roller blind apparatus is provided in which a roller blind is operated only when a safety hook of a cord or a ball chain, which is coupled with an elastic gear, is fixedly mounted after being tightened, so that a safety accident by the ball chain is completely prevented, improving the safety. | 10-13-2011 |
20120222828 | TILTABLE DOUBLE-LAYERED FABRIC BLIND - A tiltable double-layered fabric blind is provided, which includes a double-layered fabric, composed of transparent front and rear sheets and a plurality of opaque spacer veins, with a horizontal bar mounted to a lower end of the fabric, a rotator having a coupling pipe and a driving body mounted to one side of the coupling pipe, the coupling pipe being combined with the double-layered fabric, an angle regulator having a rotating pipe and a rotating body, the rotating pipe having a friction member, which makes one layer of the double-layered fabric brought into close contact with the circumference thereof, a connection plate having a protrusion, which is coupled through the rotator and the angle regulator, and control cords mounted on one side of the rotator and the angle regulator. | 09-06-2012 |
20150059991 | DEVICE FOR ADJUSTING FABRIC ANGLE OF DOUBLE FABRIC BLINDS - The present invention relates to double fabric blinds and, more particularly, to a device for adjusting a fabric angle of the double fabric blinds, which is capable of finely adjusting an degree of openness of a front sheet, wherein a plurality of balls are sequentially held in a holding groove, e.g., as four or eight balls, inserted into an insertion groove of a rotation component, wherein the plurality of balls are rotated in a guide groove of a stopper by approximately 90 degrees or 45 degrees, thereby improving safety and omitting the use of a conventional string. | 03-05-2015 |
Patent application number | Description | Published |
20100088461 | SOLID STATE STORAGE SYSTEM USING GLOBAL WEAR LEVELING AND METHOD OF CONTROLLING THE SOLID STATE STORAGE SYSTEM - A solid state storage system is disclosed including a memory area having a plurality of chips. The solid state storage system includes a micro controller unit (MCU) configured to utilize the number of deletions for logical blocks corresponding to logical block addresses when performing wear leveling on the memory area. The allocation of the logical block addresses can be performed using an interleaving process and a multi-plane method. The solid state storage system performs global wear leveling by which the lifespan of the cells of the chips can be uniformly managed. | 04-08-2010 |
20100165732 | FLASH MEMORY APPARATUS AND READ OPERATION CONTROL METHOD THEREFOR - A flash memory apparatus of an embodiment is configured to include a flash memory including a plurality of blocks and a read operation control circuit determining whether to replace a block in accordance with the number of times a read process is performed for each block of the plurality of blocks. | 07-01-2010 |
20110029749 | SEMICONDUCTOR STORAGE SYSTEM FOR DECREASING PAGE COPY FREQUENCY AND CONTROLLING METHOD THEREOF - A semiconductor storage system includes a memory controller that classifies a memory block of a memory area into a data block and a buffer block. The buffer block corresponds to the data block. The memory controller compares the number of free pages of both the data block and the buffer block with the number of valid pages of the data block and the buffer block during mergence in order to select the merged target block. Depending on the result of the comparison, either the data block or the buffer block is selected as the merged target block. | 02-03-2011 |
20110078364 | SOLID STATE STORAGE SYSTEM FOR CONTROLLING RESERVED AREA FLEXIBLY AND METHOD FOR CONTROLLING THE SAME - A solid state storage system includes a flash memory area and a memory controller. The flash memory area includes memory blocks and replacement blocks configured to replace bad blocks occurring within the memory blocks. The memory controller is configured to perform a logical-to-physical address mapping on logical blocks including the replacement blocks, and select the replacement blocks using logical addresses of the logical blocks corresponding to the bad blocks. | 03-31-2011 |
20110107016 | SOLID STATE STORAGE SYSTEMS AND METHODS FOR FLEXIBLY CONTROLLING WEAR LEVELING - Solid-state storage systems and methods are provided for controlling a wear leveling process for uniform use of the memory cells that replaces worn memory blocks with less frequently used memory blocks. The wear leveling process is performed by changing the physical locations of the storage cells within each memory zone or plane. Reference values of target memory block erase counts and worn memory block erase counts are used for searching target memory blocks to be used as replacements. | 05-05-2011 |
20140173231 | SEMICONDUCTOR MEMORY DEVICE AND SYSTEM OPERATING METHOD - Disclosed is a semiconductor memory device for controlling a memory block. The semiconductor memory device includes a plurality of memory blocks to store data, and controller. The memory controller requests a first memory block, of the plurality of memory blocks, to performing a copy operation to copy the first memory block to a second memory block of the plurality of memory blocks. The controller then requests the first memory block to perform an operation different than the copy operation. The controller then requests the memory block to stop the copy operation based on the to perform an operation different than the copy operation. Finally, the controller requests the memory block to resume the copy operation after the operation different than the copy operation is completed. | 06-19-2014 |
Patent application number | Description | Published |
20110003553 | APPARATUS AND METHOD FOR ALLOCATING DOWNLINK CONTROL CHANNEL - A method for allocating a downlink control channel in a fractional frequency reuse (FFR) system, includes: dividing a service frequency band of the system into a plurality of frequency partitions including a first frequency partition corresponding to a first frequency reuse factor, a second frequency partition corresponding Kth frequency reuse factor, and a third frequency partition; setting a transmission power level for each of the plurality of divided frequency partitions; allocating a downlink common control channel including non-user specific (NUS) control information common to every user to a particular frequency partition corresponding to the highest transmission power level among the set transmission power levels; and transmitting the NUS control information through the particular frequency partition. | 01-06-2011 |
20120155384 | METHOD FOR PARTITIONING CELL IDENTITIES ACCORDING TO CELL TYPE IN WIRELESS COMMUNICATION SYSTEM AND AN APPARATUS THEREFOR - A method of transmitting a cell type information, which is transmitted by a base station in a wireless communication system, is disclosed. The present invention includes broadcasting a first boundary point information (Z) between a cell identity of a public ABS (advanced base station) and a cell identity of a private ABS via an S-SFH SP3 (secondary-super frame header subpacket3), and broadcasting at least one second boundary point (K) information via an AAI-SCD (Advanced Air Interface_System Configuration Descriptor) message. In this case, the at least one second boundary point information (K) indicates a last index of cell identity corresponding to a specific ABS type. Further, an order of ABS types of the public ABS and an order of ABS types of the private ABS are pre-defined. | 06-21-2012 |
20140045514 | CHANNELIZATION METHOD IN WHITESPACE BAND AND APPARATUS FOR THE SAME - A wireless communication system is disclosed. Specifically, a channelization method in a whitespace band and an apparatus for the same are disclosed. A method for providing whitespace operation information includes transmitting, by a first station (STA) to a second STA, a frame including a TV whitespace high throughput (TVHT) operation information field. The TVHT operation information field includes primary channel number, channel width, channel center frequency segment 0 and channel center frequency segment 1 subfields. A channel center frequency of frequency segment 0 or frequency segment 1 is determined based on a channel start frequency. The channel start frequency is determined as a function of a TV channel index corresponding to the frequency segment 0 or a TV channel index corresponding to the frequency segment 1. | 02-13-2014 |
20140376474 | METHOD FOR SETTING OPERATING CHANNEL IN WHITE SPACE BAND AND DEVICE THEREFOR - Disclosed are a method for setting an operating channel in a white space band and a device therefor. Particularly, a method for enabling a first device to set an operating channel in a white space band comprises the steps of: acquiring information on an available TV channel from a geo-location database; and setting an operating channel on the basis of the information on the available TV channel, wherein a center frequency of the operating channel can be set differently according to a TV channel used by an incumbent device among TV channels adjacent to the TV channel on which the operating channel is set. | 12-25-2014 |
20150078287 | METHOD AND APPARATUS FOR DETERMINING OPERATING CHANNEL IN WIRELESS COMMUNICATION SYSTEM - The present invention relates to a wireless communication system and, more specifically, to a method and an apparatus for determining an operating channel. The method for determining the operating channel of a station (STA) in a TV whitespace (TVWS) wireless LAN system, according to one embodiment of the present invention, comprises the steps of: receiving information on an index which indicates an operating class including channel start frequency, channel spacing, and channel set parameters; and determining a main frequency of the operating channel on the basis of the parameters indicated by the index of the operating class. The main frequency of the operating channel can be determined on the basis of a correction value which is set differently according to the configuration of a basic channel unit of the operating channel. | 03-19-2015 |
20150139099 | METHOD FOR SETTING OPERATING CHANNELS IN WHITE SPACE REGION, AND APPARATUS THEREFOR - The present invention relates to a method for setting operating channels in a white space region and to an apparatus therefor. In particular, the method for a device to set operating channels in a white space region includes the steps of: obtaining information on available TV channels from a geolocation database; and setting operating channels including multiple bandwidths in a plurality of consecutive TV channels, wherein the central frequencies of signals that are transmitted over two consecutive TV channels included in the plurality of consecutive TV channels, respectively, can be moved by as much as a first offset (m) and a second offset (n) in the direction of the center of the two consecutive TV channels, respectively. | 05-21-2015 |
Patent application number | Description | Published |
20080299687 | TOP-EMITTING NITRIDE-BASED LIGHT EMITTING DEVICE AND METHOD OF MANUFACTURING THE SAME - Provided are a top-emitting N-based light emitting device and a method of manufacturing the same. The device includes a substrate, an n-type clad layer, an active layer, a p-type clad layer, and a multi ohmic contact layer, which are sequentially stacked. The multi ohmic contact layer includes one or more stacked structures, each including a modified metal layer and a transparent conductive thin film layer, which are repetitively stacked on the p-type clad layer. The modified metal layer is formed of an Ag-based material. | 12-04-2008 |
20100285622 | LIGHT EMITTING DEVICE AND METHOD OF MANUFACTURING THE SAME - Provided is a light emitting device and a method of manufacturing the same. The light emitting device comprises a transparent substrate, an n-type compound semiconductor layer formed on the transparent substrate, an active layer, a p-type compound semiconductor layer, and a p-type electrode sequentially formed on a first region of the n-type compound semiconductor layer, and an n-type electrode formed on a second region separated from the first region of the n-type compound semiconductor layer, wherein the p-type electrode comprises first and second electrodes, each electrode having different resistance and reflectance. | 11-11-2010 |
20120190142 | LIGHT EMITTING DEVICE AND METHOD OF MANUFACTURING THE SAME - Provided is a light emitting device and a method of manufacturing the same. The light emitting device comprises a transparent substrate, an n-type compound semiconductor layer formed on the transparent substrate, an active layer, a p-type compound semiconductor layer, and a p-type electrode sequentially formed on a first region of the n-type compound semiconductor layer, and an n-type electrode formed on a second region separated from the first region of the n-type compound semiconductor layer, wherein the p-type electrode comprises first and second electrodes, each electrode having different resistance and reflectance. | 07-26-2012 |
Patent application number | Description | Published |
20080247104 | ELECTROSTATIC DISCHARGE PROTECTION CIRCUIT HAVING A REDUCED SIZE AND LOWER OPERATING VOLTAGE - The present invention discloses an electrostatic discharge protection circuit. The electrostatic discharge protection circuit of the present invention includes a transfer unit that transfers electrostaticity from at least one of a plurality of input/output pads to a boost bus line, a trigger unit that responds to the electrostaticity transferred via the boost bus line to detect a trigger voltage and apply it to a trigger bus line, and a plurality of clamp units that are connected between the input/output pads and an internal circuit. The clamp units are triggered by the trigger voltage of the trigger unit to discharge electrostaticity of the input/output pads to a first or second power supply voltage line, thereby safely protecting the internal circuit from electrostatic damage and lowering the operating voltage of the clamp unit with minimum costs without increasing an area of the electrostatic discharge protective circuit within a semiconductor integrated circuit. | 10-09-2008 |
20090323237 | Electrostatic Discharge Circuit - An electrostatic discharge device has relatively superior characteristics for protecting a gate insulation layer of an input buffer transistor of a semiconductor device from static electricity while minimizing signal delay. The electrostatic discharge circuit includes a main electrostatic discharge section configured to discharge static electricity inputted to an input/output pad to at least one voltage line, an input impedance section configured to adjust an amount of current flowing from the input/output pad depending upon a frequency of an input signal of the input/output pad, an auxiliary electrostatic discharge section connected to the input impedance section and configured to discharge the static electricity inputted to the input/output pad to the at least one voltage line, and an input buffer connected between the auxiliary electrostatic discharge section and an internal circuit. | 12-31-2009 |
20100118457 | ELECTROSTATIC DISCHARGE PROTECTION CIRCUIT - An electrostatic discharge protection circuit includes an electrostatic induction unit connected between a power supply line and a data input/output line of an input/output pad, and configured to induce static electricity introduced through the input/output pad to the power supply line; a coupling capacitor having a first terminal connected to the power supply line; and a silicon controlled rectifier (SCR) unit connected to a second terminal of the coupling capacitor, connected between the data input/output line and a ground voltage line, and configured to discharge the static electricity on the data input/output line to the ground voltage line by static electricity introduced through the coupling capacitor. | 05-13-2010 |
Patent application number | Description | Published |
20100184359 | METHOD FOR FABRICATING SEMICONDUCTOR DEVICE - A method for fabricating a semiconductor device through a chemical mechanical polishing (CMP) process is provided. The CMP process is performed by using a slurry. The semiconductor device fabrication method can ensure the reliability and economical efficiency of the device by performing a CMP process using a CMP slurry having a high polishing selectivity with respect to a target surface, an anti-scratch characteristic, and a high global planarization characteristic. | 07-22-2010 |
20100210104 | METHOD FOR FORMING COPPER WIRING IN A SEMICONDUCTOR DEVICE - A process for forming a copper wiring and the prevention of copper ion migration in a semiconductor device is disclosed herein. The process includes conducting a post-cleaning process for a copper layer that is to form the cooper wiring after already having undergone a CMP process. The post-cleaning process includes conducting a primary chemical cleaning using a citric acid-based chemical. A secondary chemical cleaning is then conducted on the copper layer having undergone the primary chemical cleaning using an ascorbic acid-based chemical. After the post-cleaning process is completed, the migration of copper ions over time is prevented thereby improving the reliability of the semiconductor device. | 08-19-2010 |
20110159664 | METHOD FOR FABRICATING SEMICONDUCTOR DEVICE WITH BURIED GATES - A method for fabricating a semiconductor device includes sequentially stacking a pad oxide layer and a hard mask layer over a substrate, forming a device isolation layer over the substrate, forming a capping layer pattern configured to open a first region of the substrate and cover a second region of the substrate, removing the hard mask layer, removing the capping layer pattern, and removing the pad oxide layer. | 06-30-2011 |
20130049209 | SEMICONDUCTOR DEVICE WITH DAMASCENE BIT LINE AND METHOD FOR MANUFACTURING THE SAME - A semiconductor device includes first conductive patterns adjacent to each other and isolated by a trench including first and second trenches, a second conductive pattern formed in the first trench, and an insulating pattern partially filling the second trench under the second conductive pattern and formed between the first conductive patterns and the second conductive pattern. | 02-28-2013 |
20150126013 | SEMICONDUCTOR DEVICE INCLUDING AIR GAPS AND METHOD FOR FABRICATING THE SAME - Disclosed are a semiconductor device capable of reducing parasitic capacitance between adjacent conductive structures and a method for fabricating the same. The semiconductor device includes a plurality of bit line structures each comprising a first contact plug formed over a substrate and a bit line formed over the first contact plug. A spacer structure having air gaps is formed on sidewalls of the first contact plug and on sidewalls of the bit line. An plug isolation layer is formed between the plurality of bit line structures. The isolation layer includes an opening. A second contact plug is formed in the opening and a memory element is formed over the second contact plug. | 05-07-2015 |
Patent application number | Description | Published |
20140049180 | Organic Light Emitting Diode Display and Method of Driving the Same - An OLED display device is provided. The OLED display device may include a first capacitor connected between a data line and a first node, a first transistor connected to the first node and a second node, an OLED connected between a low-level source voltage terminal and a third node, a second transistor connected to the second and third nodes, a driving transistor, and a second capacitor. The driving transistor may have a gate connected to the first node, a drain connected to the second node, and a source connected to a high-level source voltage terminal. One end of the second capacitor may receive a second scan signal, and the other end of the second capacitor may be connected to the second node. | 02-20-2014 |
20140049531 | Organic Light Emitting Diode Display and Method of Driving the Same - An OLED display device is provided. The OLED display device may include a first capacitor connected between a data line and a first node, a first transistor connected to the first node and a second node, an OLED connected between a low-level source voltage terminal and a third node, a second transistor connected to the second and third nodes, a driving transistor, and a second capacitor. The driving transistor may have a gate connected to the first node, a drain connected to the second node, and a source connected to a high-level source voltage terminal. One end of the second capacitor may receive a control signal, and the other end of the second capacitor may be connected to the first node. | 02-20-2014 |
Patent application number | Description | Published |
20090070711 | Scrolling method of mobile terminal - A mobile terminal having a touch screen or a touch pad is disclosed. In a user environment, when a displayed menu list is moved according to a flicking operation, a feedback indicating the reaching of the end (the last item) of the menu list is issued in a visible, audible or tactile manner to a user, thereby increasing the user convenience of menu searching and the durability of the mobile terminal. | 03-12-2009 |
20100004038 | SIDE SLIDING TYPE MOBILE TERMINAL - A mobile terminal comprises a body comprising a keypad and a slider slidingly coupled to the body. The slider is configured to slide transversely with respect to the body and may comprise a display unit to display image information. The mobile terminal may further comprise a processor coupled to the slider to detect when the slider is slid from a first position to a second position and when the slider is slid from a second position to a first position. The image information may be rotated 90 degrees from a transverse orientation to a longitudinal orientation when the processor detects that the slider has been slid from the first position to the second position. Conversely, the image information may be rotated 90 degrees from a longitudinal orientation to a transverse orientation when the processor detects that the slider has been slid from the second position to the first position. | 01-07-2010 |
20100120790 | DPP-IV INHIBITOR INCLUDING BETA-AMINO GROUP, PREPARATION METHOD THEREOF AND PHARMACEUTICAL COMPOSITION CONTAINING THE SAME FOR PREVENTING AND TREATING DIABETES OR OBESITY - The present invention provides a novel heterocyclic compound containing a beta-amino group, a method for preparing the same, and a pharmaceutical composition comprising the same heterocyclic compound or a pharmaceutically acceptable salt thereof as an active ingredient. The heterocyclic compound of the present invention exhibits excellent DPP-IV inhibitory activity and bioavailability and therefore can be useful for the prophylaxis or treatment of DPP-IV-related diseases such as diabetes or obesity. | 05-13-2010 |
20110201624 | Pharmaceutical Composition for Prevention and Treatment of Diabetes or Obesity Comprising a Compound that Inhibits Activity of Dipeptidyl Peptidase-IV, and other Antidiabetic or Antiobesity Agents as Active Ingredients - The present invention relates to a pharmaceutical composition for the prevention and treatment of diabetes or obesity comprising as active ingredients a compound which inhibits the activity of dipeptidyl peptidase-IV (DPP-IV), a pharmaceutically acceptable salt thereof, a hydrate thereof, or a solvate thereof, and one or more other antidiabetic or antiobesity agents. The pharmaceutical composition exhibits excellent glucose tolerance and may be useful in the prevention and treatment of diabetes, obesity, and the like by effectively inhibiting blood glucose levels and reducing fat mass. | 08-18-2011 |
20120016125 | METHOD FOR PREPARING DIPEPTIDYL PEPTIDASE-IV INHIBITOR AND INTERMEDIATE - The present invention relates to an improved method for preparing dipeptidyl peptidase-IV inhibitor and intermediate. The present invention is able to reduce preparation costs by using low cost reagents on reaction and is able to be used in mass production by improving yield. | 01-19-2012 |
20120016126 | METHOD FOR MANUFACTURING DIPEPTIDYL PEPTIDASE-IV INHIBITOR AND INTERMEDIATE - The present invention relates to an improved method for manufacturing dipeptidyl peptidase-IV inhibitor and intermediate. The present invention allows reduction of production costs by reacting low cost reagents, improves yield and is adaptable for mass production. | 01-19-2012 |
20130072459 | PHARMACEUTICAL COMPOSITION FOR THE PREVENTION OR THE TREATMENT OF NON-ALCOHOLIC FATTY LIVER DISEASE AND THE METHOD FOR PREVENTION OR TREATMENT OF NON-ALCOHOLIC FATTY LIVER DISEASE USING THE SAME - The present invention provides a pharmaceutical composition for the prevention and treatment of a non-alcoholic fatty liver disease (NAFLD), containing an active ingredient selected from the group consisting of Compound 1 represented by formula 1, sitagliptin, vildagliptin, linagliptin or a pharmaceutically acceptable salt thereof. Further, the present invention provides a method for the prevention or treatment of a non-alcoholic fatty liver disease, including administering an effective amount of an active ingredient selected from the group consisting of Compound 1 represented by formula 1, sitagliptin, vildagliptin, linagliptin or a pharmaceutically acceptable salt thereof to a mammal including a human in need thereof. Further, the present invention provides use of Compound 1 represented by formula 1, sitagliptin, vildagliptin, linagliptin or a pharmaceutically acceptable salt thereof, for manufacturing a pharmaceutical composition for the prevention or treatment of a non-alcoholic fatty liver disease. | 03-21-2013 |
Patent application number | Description | Published |
20140078990 | CHANNEL ESTIMATION METHOD AND APPARATUS FOR COOPERATIVE COMMUNICATION IN CELLULAR MOBILE COMMUNICATION SYSTEM - A method and an apparatus are provided for a data transmission/reception in a terminal in a CoMP system is provided. One or more valid subframes are determined for updating feedback information. The feedback information is updated at each of the valid subframes. A feedback information scheduling signal is received at a predetermined subframe. Feedback information updated at a most recent valid subframe, from among previous subframes, is transmitted according to the feedback information scheduling signal. | 03-20-2014 |
20140079149 | FEEDBACK METHOD AND APPARATUS FOR USE IN MOBILE COMMUNICATION SYSTEM - A method and system are provided for a terminal to measure channel quality and transmit channel state information to a base station in a wireless mobile communication system operating in a multi-carrier-based multiple access scheme such as Orthogonal Frequency Division Multiple Access (OFDMA). The feedback information transmission method of a terminal in a mobile communication system includes receiving configuration information corresponding to at least two reference signals from a base station, receiving, at the terminal, feedback configuration information for measuring the at least two reference signals and generating feedback information based on a measurement result, receiving, at the terminal, the at least two reference signals, and transmitting, by the terminal, the feedback information at timings indicated in the feedback configuration information. | 03-20-2014 |
20140112220 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING COMMON CHANNEL INFORMATION IN WIRELESS COMMUNICATION SYSTEM - Methods and apparatus are provided for transmission and reception of common channel information in a mobile communication system using multi-antenna-based beamforming. A number of beams to be used for transmission to a terminal is determined at a base station. The common channel information is generated corresponding to the number of beams. The common channel information is transmitted from the base station to the terminal through one of the beams. | 04-24-2014 |
20140134993 | METHOD AND APPARATUS FOR CONTROLLING OPERATION STATE OF BASE STATION IN WIRELESS COMMUNICATION SYSTEM - Methods and apparatus are provided for controlling transition of an operation state of a cell in a wireless communication system. The cell includes a transceiver configured to transmit and receive signals to and from a terminal and another cell. The cell also includes a controller configured to transition an operation state of the cell from an active state to a dormant state, transmit a discovery signal, determine whether a cell activation signal is received from a node that controls the cell, and transition the operation state of the cell from the dormant state to the active state when the cell activation signal is received. | 05-15-2014 |
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 |
20140241274 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING FEEDBACK INFORMATION IN MOBILE COMMUNICATION SYSTEM USING MULTIPLE ANTENNAS - A method and an apparatus for transmitting/receiving feedback in a mobile communication system are provided. A method of configuring and receiving feedback information of an evolved Node B (eNB) includes transmitting configuration information on a plurality of reference signals including a first reference signal and a second reference signal to a User Equipment (UE); transmitting feedback configuration information including first feedback configuration information on the first reference signal and second feedback configuration information configured such that feedback information on the second reference signal is generated with reference to the first feedback configuration information to the UE; transmitting the reference signal to the UE according to the configuration information on the reference signal; and receiving feedback information including first feedback information according to the first feedback configuration information and second feedback information according to the second feedback configuration information from the UE. | 08-28-2014 |
20140254516 | METHOD AND APPARATUS FOR CONTROLLING INTERFERENCE IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus for transmitting control information is provided for use in detection of interference an signal in a wireless communication system. An interference control method of a base station of a mobile communication system includes scheduling data to be transmitted to a terminal and transmitting control information including data channel information on the scheduled data and interference signal information to the terminal. | 09-11-2014 |
20140274085 | METHODS AND APPARATUS FOR TRANSMITTING AND RECEIVING SIGNAL BY USING MODULATION ORDER OF INTERFERENCE SIGNAL - Methods and apparatus are provided for receiving a serving signal from a base station by a user equipment. A signal that includes the serving signal and an interference signal is received. A Log Likelihood Ratio (LLR) of the received signal is calculated according to each of a plurality of modulation orders applicable to the interference signal to obtain a plurality of LLR values. A modulation order of the interference signal is determined, based on the plurality of LLR values. The serving signal is reconstructed, based on the determined modulation order. | 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 |
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 |
20150215930 | UPLINK CONTROL INFORMATION TRANSMISSION METHOD AND APPARATUS FOR USE IN CELLULAR MOBILE COMMUNICATION SYSTEM - A communication method and apparatus of a terminal in a mobile communication system are provided. The method includes generating uplink control information for at least one activated cell; configuring, if the activated cell belongs to a Master Cell Group (MCG) under a control of a Master evolved Node B (MeNB), an uplink control channel based on the uplink control information of the activated cell belonging to the MCG; and transmitting the uplink control channel to a Primary Cell (PCell). | 07-30-2015 |
Patent application number | Description | Published |
20090219883 | METHOD AND APPARATUS FOR TRANSMITTING SYNCHRONIZATION SIGNALS IN AN OFDM BASED CELLULAR COMMUNICATION SYSTEM - Disclosed is an apparatus and method for transmitting the synchronization signal in an Orthogonal Frequency Division Multiplexing (OFDM) based cellular system. The cell search process widely used in the OFDM based cellular system is divided into two steps for obtaining the frame timing synchronization and obtaining the cell-specific scrambling code. When designing the channel for obtaining the frame timing synchronization and the channel for obtaining the cell-specific scrambling code, different frequency reuse factors are applied to the synchronization channels of different steps according to the characteristics of each synchronization obtainment step in order to improve the performance of each step. | 09-03-2009 |
20130077587 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING CONTROL CHANNELS BY RESTRICTING A SET OF THE CONTROL CHANNELS IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus are provided for transmitting control information in a base station for a wireless communication system. The method includes transmitting, to a terminal, information associated with a number of Control Channel Elements (CCEs) included in control channels, determining a set of control channel candidates based on an IDentifier (ID) of the terminal and the information associated with the number of CCEs; selecting at least one control channel candidate from among the set of control channel candidates; and transmitting the control information to the terminal through the selected at least one control channel candidate. | 03-28-2013 |
20130094442 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING DATA IN WIRELESS COMMUNICATION SYSTEM - A User Equipment (UE) in a wireless communication system using a Coordinated Multi-Point transmission/reception (CoMP) scheme receives Downlink Control Information (DCI) including CoMP control information, determines a starting position of a data channel on wireless resources, based on starting position information of a data channel included in the CoMP control information and used in each of a plurality of cells, and receives data from the plurality of cells starting from the determined starting position. | 04-18-2013 |
20130250899 | METHOD AND APPARATUS FOR ALLOCATING RADIO RESOURCE USING RANDOM ACCESS PROCEDURE IN A MOBILE COMMUNICATION SYSTEM - A method for transmitting a random access preamble using a random access procedure in a mobile communication system. The random access preamble transmission method includes selecting, upon triggering of the random access procedure, one of random access preamble sets predefined between a User Equipment (UE) and an Evolved Node B (ENB) according to whether a radio channel condition is greater than a radio channel condition threshold and a size of a message that the UE will transmit after transmission of the random access preamble is greater than a minimum message size, randomly selecting a random access preamble from the selected random access preamble set, and transmitting the selected random access preamble to the ENB over a random access channel. | 09-26-2013 |
20140016601 | METHOD AND APPARATUS FOR SCHEDULING ASSIGNMENT OF UPLINK PACKET TRANSMISSION IN MOBILE TELECOMMUNICATION SYSTEM - A method is provided for communication between a UE and a Node B in a communication system. The UE generates a Media Access Control-Protocol Data Unit (MAC-PDU) including a first field related to at least one queue ID and a second field related to at least one amount of data to be transmitted, where the data to be transmitted has its priority. The MAC-PDU including the first and second fields is transmitted to the Node B. Grant information is received from the Node B. Data is transmitted to the Node B based on the grant information and the priority. One amount of data in the second field corresponds to one queue ID in the first field. | 01-16-2014 |
20140140302 | METHOD AND APPARATUS FOR TRANSMITTING/RECEIVING UPLINK SIGNALING INFORMATION IN A SINGLE CARRIER FDMA SYSTEM - A method and an apparatus method are provided for transmitting uplink information in a Single Carrier Frequency Division Multiple Access (SC-FDMA) wireless communication system. The method includes determining whether Acknowledgement/Negative Acknowledgement (ACK/NACK) information indicating whether or not downlink data has been received exists to be transmitted, if uplink data exists to be transmitted; multiplexing the uplink data and control information for the uplink data and transmitting multiplexed data including the uplink data and the control information, through a frequency resource allocated for the uplink data, if no ACK/NACK information exists; and multiplexing the uplink data, the control information for the uplink data, and the ACK/NACK information, and transmitting multiplexed data through the frequency resource allocated for the uplink data, if the ACK/NACK information exists. The ACK/NACK information is located adjacent to a pilot for the uplink data. | 05-22-2014 |
20150016291 | METHOD AND APPARATUS FOR MEASURING MU-MIMO INTERFERENCE IN MOBILE COMMUNICATION SYSTEM - One or more embodiments discloses a method of measuring interference by an evolved NodeB and an eNB device. The method includes configuring one or more first type interference measurement resources in a User Equipment (UE). The method also includes transmitting signals for a plurality of UEs within a cell range of the eNB to the one or more first type interference measurement resources. The method also includes receiving channel status information generated in accordance with a signal received in the one or more first type interference measurement resources. | 01-15-2015 |
20150043694 | METHOD AND APPARATUS FOR TRANSMITTING SYNCHRONIZATION SIGNALS IN AN OFDM BASED CELLULAR COMMUNICATION SYSTEM - A method and apparatus are provided for transmitting a synchronization signal for cell search in an Orthogonal Frequency Division Multiplexing (OFDM) communications system. The method includes identifying a primary synchronization sequence; identifying a secondary synchronization sequence associated with a cell identifier; mapping the primary synchronization sequence based on center subcarriers in a first OFDM symbol; mapping the secondary synchronization sequence based on the center subcarriers in a second OFDM symbol; transmitting the mapped primary synchronization sequence in the first OFDM symbol; and transmitting the mapped secondary synchronization sequence in the second OFDM symbol. The second OFDM symbol is adjacent to the first OFDM symbol, and the center subcarriers are part of a system bandwidth and a part of the center subcarriers is not used for mapping the secondary synchronization sequence. | 02-12-2015 |
20150139133 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING CONTROL CHANNELS BY RESTRICTING A SET OF THE CONTROL CHANNELS IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus are provided for transmitting control information in a base station for a wireless communication system. The method includes receiving, from a terminal, a channel quality indicator (CQI); determining at least one control channel element (CCE) for a physical downlink control channel (PDCCH) based on the received CQI and an identifier (ID) of the terminal; and transmitting, to the terminal, control information on the PDCCH including the determined at least one CCE. A number of the at least one CCE is determined based on the CQI. | 05-21-2015 |