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| 20090103563 | PACKET TRANSMITTING METHOD AND DEVICE - A packet transmission device of a physical layer receives a plurality of packets from a media access control layer that is an upper layer of the physical layer, and detects a packet including a sync message from the packets. The packet transmission device receives first time information for synchronization from the media access control layer, inserts first time information into the sync message, and transmits packets at a predetermined data rate. | 04-23-2009 |
| 20090144766 | METHOD AND APPARATUS FOR MULTI-STREAM PROCESSING OF SET TOP BOX IN DOWNLOADABLE CONDITIONAL ACCESS SYSTEM - A multi-stream processing apparatus of a set top box in a Downloadable Conditional Access System (DCAS), the apparatus including: a cable modem (CM) to allocate at least one communication channel with respect to a headend of a broadcasting company connected with a cable network; a demodulator to receive broadcasting information from the cable network using the at least one allocated communication channel and to demodulate the received broadcasting information; a security module to descramble the demodulated broadcasting information using an application downloaded from the headend of the broadcasting company; a decoder to restore the descrambled broadcasting information into an Audio/Video (A/V) signal and to transmit the A/V signal to a connected apparatus; and a software module to control the CM, the security module, the demodulator, and the decoder, and to perform routing of information. | 06-04-2009 |
| 20090157325 | BIOSIGNAL MEASURING APPARATUS - A biological signal measuring apparatus includes a first biological signal measuring sensor attached to an earphone used for a mobile phone; and a biological signal receiver for receiving a biological signal from the first biological signal measuring sensor to thereby generate first raw data. The apparatus may further include a second biological signal measuring sensor attached to one of the mobile phone and an adaptor connected to the mobile phone, wherein the biological signal receiver receives a biological signal from the second biological signal measuring sensor to thereby generate second raw data. The apparatus is provided with a controller for detecting whether the mobile phone is used, wherein the controller drives the first and the second biological signal measuring sensor to measure the biological signal when the mobile phone is being used, and stops measuring the biological signals when the use of the mobile phone is finished. | 06-18-2009 |
| 20090157429 | Health management system and method using mobile phone - A health care system using a mobile phone includes the mobile phone which has sensors attached thereto, stores a biological signal measured by the sensors, and transmits the stored biological signal during a phone call; and a health care server which receives the biological signals from the mobile phone, analyzes the received biological signal to extract a characteristic value, generates health condition information of a user based on the extracted characteristic value, and transmits the generated information to the mobile phone. Further, a health care method using a mobile phone includes determining whether a physical body comes into contact with the sensors; measuring the biological signal with the sensors when the physical body comes into contact with the sensors; extracting a characteristic value from the biological signal; transmitting the characteristic value to the server; and generating the health condition information to transmit it to the mobile phone. | 06-18-2009 |
| 20100128739 | METHOD AND APPARATUS OF SCHEDULING BANDWIDTH IN CABLE NETWORK - Disclosed are a method and apparatus of scheduling a bandwidth in a cable network. The method includes receiving variable information set according to a condition of a network, calculating a packet time slot value in which a delay time gain is maximized using the received variable information; setting an algorithm allocating a bandwidth between channels of the network using the packet time slot value, and operating a Cable Modem Termination System (CMTS) according to the algorithm. | 05-27-2010 |
| 20100158480 | MULTI-STREAM ENCRYPTION METHOD AND APPARATUS, AND HOST DEVICE FOR MULTI-CHANNEL RECORDING - A multi-stream encryption apparatus and method, and a host device for multi-channel recording of a plurality of fee-based broadcasting services in a Downloadable Conditional Access System (DCAS) are provided. | 06-24-2010 |
| 20120026302 | METHOD AND APPARATUS FOR TRANSMITTING/RECEIVING MULTI-VIEW PROGRAM IN DIGITAL BROADCASTING SYSTEM - A method for transmitting a multi-view program composed of a plurality of video streams in a digital broadcasting system includes generating information representing that the program is a multi-view program, information on a composition of the multi-view program and information on the plurality of physical channels through which the multi-view program is transmitted; and transmitting the multi-view program and the generated information through the plurality of physical channels. | 02-02-2012 |
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| 20080210942 | Array substrate for liquid crystal display device and method of fabricating the same - An array substrate for a liquid crystal display device includes a gate line on a substrate; a gate insulating layer on the gate line; a data line crossing the gate line; a gate electrode connected to the gate line; an active layer on the gate insulating layer and overlapping the gate electrode; first and second ohmic contact layers on the active layer, the first and second ohmic contact layers spaced apart from each other by a first distance; first and second barrier patterns spaced apart from each other by the first distance and on the first and second ohmic contact layers, respectively. The active layer is exposed through the first and second barrier patterns; source and drain electrodes spaced apart from each other by a second distance greater than the first distance and on the first and second barrier patterns, respectively. | 09-04-2008 |
| 20090057667 | Display device and method for fabricating the same - Provided are a display device and a fabricating method thereof. The display device includes a substrate, a gate line, a common line, common electrodes, an insulating layer, a data line, a drain electrode, and pixel electrodes. The gate line is disposed in a first direction. The common line is disposed substantially parallel to the gate line. The common electrodes branch from the common line. The insulating layer covers the gate line, the common line, and the common electrodes. The channel patterns are disposed on the insulating layer to correspond to the gate electrode. The data line is disposed in a second direction. The drain electrode is electrically connected with the channel pattern. The pixel electrodes are formed of an opaque metal. Thus, the display device may improve contrast ratio. | 03-05-2009 |
| 20090152562 | Liquid crystal display device and fabricating method thereof - A method of fabricating a liquid crystal display device includes forming first, second, and third active patterns on a substrate having a pixel region and a driving region, wherein the first and second active patterns are in the driving region and the third active pattern is in the pixel region, the first, second, and third active patterns each having an active region, a source region, and a drain region with the source and drain regions on opposing sides of the active region, forming a gate insulator on the first, second, and third active patterns, forming first, second, and third gate electrodes on the gate insulator, wherein the first, second, and third gate electrodes correspond to the active regions of the first, second, and third active patterns, respectively, doping the source and drain regions of the first, second, and third active patterns with n− ions using the first, second, and third gate electrodes as a doping mask, doping the n− doped source and drain regions of the second active pattern with p+ ions, forming an interlayer insulating film on the first, second, and third gate electrodes and patterning the interlayer insulating film to form contact holes exposing each source and drain regions of the first, second, and third active patterns, and doping the source and drain regions of the first, second, and third active patterns with n+ ions through the contact holes. | 06-18-2009 |
| 20100200862 | LIQUID CRYSTAL DISPLAY DEVICE AND FABRICATING METHOD THEREOF - A liquid crystal display device may comprise a semiconductor layer on a substrate and including a channel portion and ohmic contact portions at both sides of the channel portion, wherein an edge portion of the semiconductor layer has a side surface of a substantially tapered shape; a gate insulating layer covering the semiconductor layer; a gate electrode on the gate insulating layer and substantially corresponding to the channel portion; source and drain electrodes contacting the semiconductor layer; and a pixel electrode contacting the drain electrode. | 08-12-2010 |
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| 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 |
| 20100149962 | APPARATUS AND METHOD FOR TRANSMITTING/RECEIVING UPLINK PILOT IN FREQUENCY DIVISION MULTIPLE ACCESS SYSTEM - Method and apparatus for transmitting/receiving an uplink pilot used for channel estimation and measurement of an uplink in an FDMA system. Pilot symbols are transmitted with different frequency mapping patterns in first and second pilot symbol intervals of one time slot interval including data symbol intervals and the inconsecutive first and second pilot symbol intervals which have a shorter length than the data symbol intervals. As a result, interpolation of a frequency domain during channel estimation is not necessary, and can correctly obtain channel-estimated values of a frequency at which data is transmitted, in a fast time-varying channel environment. | 06-17-2010 |
| 20100172337 | Method and apparatus for multiplexing data and control information in wireless communication systems based on frequency division multiple access - An apparatus for transmitting data in a frequency division multiple access based communication system is disclosed. The apparatus includes a symbol block generator for generating a symbol block in a predetermined symbol block period within one TTI when control information to be transmitted exists in the TTI, an FFT unit for performing FFT on the symbol block, and an IFFT unit for performing IFFT on signals output from the FFT unit and then transmitting the signals. The symbol block includes the control information and data to be transmitted. The TTI includes multiple symbol block periods. | 07-08-2010 |
| 20100173641 | APPARATUS AND METHOD FOR ALLOCATING RESOURCE IN A MOBILE COMMUNICATION SYSTEM - A method for allocating resources in a mobile communication system is provided. The resource allocation method includes determining whether a transmission time of response information indicating presence/absence of an error in received data overlaps a transmission time of channel state information; and when the transmission times overlap each other, allocating, to the response information, a resource block for the channel state information, cyclic shift values in a frequency domain, and orthogonal sequences having orthogonality in a time domain. | 07-08-2010 |
| 20100329196 | METHOD AND APPARATUS FOR TRANSMITTING UPLINK CONTROL CHANNEL IN A MOBILE COMMUNICATION SYSTEM - A method for transmitting an uplink control channel at a terminal in a Single Carrier Frequency Division Multiple Access (SC-FDMA)-based mobile communication system is provided. The transmission method includes receiving a control channel index allocated from a base station; transmitting control information at every symbol through a subband and a Zadoff-Chue sequence offset resource, which are mapped to the control channel index according to a first grouping rule; and transmitting control information through a subband and a Zadoff-Chue sequence offset resource, which are mapped to the control channel index according to a second grouping rule, beginning from a symbol after a slot boundary. | 12-30-2010 |
| 20110090825 | TRANSMISSION DIVERSITY AND MULTIPLEXING FOR HARQ-ACK SIGNALS IN COMMUNICATION SYSTEMS - A method and apparatus are described for a User Equipment (UE) to transmit in a control channel ACKnowledgement signals associated with a Hybrid Automatic Repeat reQuest process (HARQ-ACK signals) in response to receiving Transport Blocks (TBs) transmitted from a base station. The UE conveys the HARQ-ACK information by selecting one resource from multiple resources in the control channel and by selecting a constellation point of the modulation scheme for the HARQ-ACK signal. Transmission diversity is supported using different control channel resources that are already available to the UE without configuring additional resources. Design principles are described to optimally map the HARQ-ACK information to control channel resources and modulation constellation points for a Time Division Duplex (TDD) system and for a Frequency Division Duplex (FDD) system. | 04-21-2011 |
| 20110164585 | METHOD AND APPARATUS FOR ALLOCATING RESOURCE OF MULTIPLE CARRIERS IN OFDMA SYSTEM - A resource allocation method and apparatus for an OFDMA-based mobile communication system that allows allocating resources of multiple carriers is provided. A Physical Downlink Control Channel (PDCCH) transmission method for allocating resources in multiple frequency bands of a mobile communication system based on an Orthogonal Frequency Division Multiple Access (OFDMA) according to the present invention includes generating and transmitting, at a base station, multiple PDCCHs for allocating resources in the multiple frequency bands using Control Channel Element (CCE) indices; and receiving and demodulating, at a user equipment, the multiple PDCCHs transmitted by the base station and locating the resources allocated in the multiple frequency bands using the CCE indices of respective PDCCHs. A Physical Downlink Control Channel (PDCCH) transmission apparatus for allocating resources in multiple frequency bands of a mobile communication system based on an Orthogonal Frequency Division Multiple Access (OFDMA) according to the present invention includes a base station apparatus which generates and transmits multiple PDCCHs for allocating resources in the multiple frequency bands using Control Channel Element (CCE) indices; and a user equipment which receives and demodulates the multiple PDCCHs transmitted by the base station and locates the resources allocated in the multiple frequency bands using the CCE indices of respective PDCCHs. | 07-07-2011 |
| 20110177807 | DOWNLINK CHANNEL TRANSMISSION METHOD AND APPARATUS AND COMMON CHANNEL RECEPTION METHOD AND APPARATUS IN CELLULAR COMMUNICATION SYSTEM SUPPORTING BANDWIDTH SCALABILITY - Methods and apparatuses for transmitting and receiving downlink common channels such as synchronization channel and broadcast channel in a cellular communication system supporting bandwidth scalability are provided. The downlink physical data channel transmission method for a base station of a cellular communication supporting bandwidth scalability according to the present invention includes generating a first system information specific to Long Term Evolution (LTE) terminals; generating a second system information specific to LTE-Advanced (LTE-A) terminals, the second system information including information on entire system bandwidth, a number of subbands constituting the entire bandwidth, and subbands on which common control channels are transmitted; transmitting the first information and the second information on a system information channel; and instructing, when a terminal attempts to camp on, a subband on which the terminal to camp. | 07-21-2011 |
| 20110211487 | COOPERATIVE BEAMFORMING APPARATUS AND METHOD IN WIRELESS COMMUNICATION SYSTEM - A cooperative beamforming apparatus and method in a wireless communication system supporting channel sensitive scheduling based on feedback information is provided. A beamforming method in a wireless communication system according to the present invention includes transmitting, at a mobile station, a channel condition information of a channel of a serving base station to the serving base station and a channel condition information of a channel of a neighbor base station; and forming, at the serving base station, a beam based on the channel condition information to transmit a signal and, at neighbor base station, a beam to transmit a signal. | 09-01-2011 |
| 20110268075 | METHOD AND APPARATUS FOR TRANSMITTING UPLINK CONTROL INFORMATION IN MULTI-CARRIER WIRELESS COMMUNICATION SYSTEM - A method and apparatus for transmitting uplink control information on the data channel in a multi-carrier wireless communication system is provided. An Uplink Control Information (UCI) transmission method in a wireless communication system supporting multicarrier transmission according to the present invention includes channel-coding a UCI with reference to a number of UCI bits available; dividing the channel coded UCI bits into a number of Physical Uplink Shared Channels (PUSCHs); and transmitting the UCI multiplexed with data on the individual PUSCHs. | 11-03-2011 |
| 20110292812 | METHOD AND APPARATUS FOR RADIO LINK CONTROL IN CELLULAR RADIO COMMUNICATION SYSTEM SUPPORTING CARRIER AGGREGATION - The present invention relates to a method and apparatus for determining radio link failure between the UE and the eNB in a wireless communication system. Particularly, the present invention provides a method and apparatus for determining radio link failure efficiently in such a way that the UE measures the radio link quality of the anchor carrier, the radio link qualities of the aggregated carriers, and the radio link quality of neighbor cells in order, and determines whether the radio link quality fulfills a predetermined condition. | 12-01-2011 |
| 20110317647 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING DOWNLINK SIGNAL FOR WHICH GUARD BAND IS CONFIGURED IN CELLULAR RADIO COMMUNICATION SYSTEM SUPPORTING BAND SCALABILITY - Disclosed is a configuration of a guard band for a radio communication system formed of consecutive sub-bands. Particularly disclosed are designs of a middle guard band for preventing interference between adjacent sub-bands and regulating a difference in frequency between signals transmitted in each sub-band in a radio communication system such as a multi-carrier OFDM system and a multi-carrier CDMA system that forms a wideband through carrier aggregation. Related transmission/reception method and apparatus are further disclosed. | 12-29-2011 |
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| 20090293094 | MOBILE COMMUNICATION TERMINAL, CHANNEL INFORMATION PROVIDING MODULE, METHOD OF AUTOMATICALLY ACCESSING TO DMB, AND METHOD OF PROVIDING CHANNEL ACCESS INFORMATION - A mobile communication terminal to automatically access to DMB includes a broadcast receiving unit that receives and demodulates a DMB signal, extracts and processes a video signal and an audio signal from the DMB signal, and outputs the video signal and the audio signal to a display unit and an audio output unit; a channel information acquisition unit that processes an audio signal inputted from a microphone in an automatic channel access mode, generates and transmits to a channel information providing server a channel access information request message that includes the audio signal and time information concerning the time when the audio signal is input, and receives and outputs a channel access information response message; and a broadcast control unit that outputs a channel tuning control signal to the broadcast receiving unit according to the channel access information inputted from the channel information acquisition unit. | 11-26-2009 |
| 20120057032 | APPARATUS AND METHOD FOR PROVIDING AUGMENTED REALITY USING OBJECT LIST - An apparatus to provide augmented reality includes an image acquisition unit to acquire an image including a target object, a supplementary information acquisition unit to acquire supplementary information, an object recognition unit to recognize the target object from the acquired image, and a candidate nomination unit to generate candidate objects based on the supplementary information. A method for providing augmented reality includes transmitting, at a terminal, an image including a target object or supplementary information of the target object, and location information of the terminal to a server; and determining, at the server, whether the target object is recognized, and generating a list of candidate objects based on the supplementary information, if the target object is not recognized. | 03-08-2012 |
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| 20090140260 | Liquid crystal display device and fabricating method thereof - A method for fabricating a liquid crystal display (LCD) device comprises forming an active pattern and a data line on a substrate, the active pattern including a source, a drain, and a channel regions; a first insulation film on a portion of the substrate; forming a gate electrode in a portion of the active pattern where the first insulation film is formed; a second insulation film on the substrate; forming a plurality of first contact holes exposing a portion of the source and drain regions and a second contact hole exposing a portion of the data line; forming a source electrode from a transparent conductive material connected to a source region within the respective first contact hole and a data line within the second contact hole; and forming a pixel and a drain electrodes from the transparent conductive material connected to a drain region within the respective first contact hole. | 06-04-2009 |
| 20100009478 | IPS MODE LIQUID CRYSTAL DISPLAY DEVICE AND METHOD FOR FABRICATING THEREOF - An IPS mode LCD device and a method for fabricating the same are disclosed. A switching device is formed at each unit pixel and then a passivation layer is formed thereon. A first concave pattern and a second concave pattern at each unit pixel by using one mask are formed, and a common electrode is formed in the first concave pattern and a pixel electrode is formed in the second concave pattern. Accordingly, the entire fabrication process is simplified. | 01-14-2010 |
| 20100099205 | METHOD OF MANUFACTURING LIQUID CRYSTAL DISPLAY DEVICE - A method of manufacturing a liquid crystal display device is provided which includes ashing first and second photoresist patterns, whereby a copper oxide film is formed at portions of a data line and a source-drain pattern exposed between the ashed first and second photoresist patterns and between the ashed first and second portions of the first photoresist pattern; deoxidizing or removing the copper oxide film; performing a plasma treatment to change the exposed portions of the data line and the source-drain pattern into a copper compound; removing the copper compound using a copper compound removing solution to form source and drain electrodes below the ashed first and second portions, respectively, wherein the copper compound removing solution substantially has no reaction with the copper group material; dry-etching a portion of an ohmic contact layer between the source and drain electrodes using the source and drain electrodes as an etching mask, the ohmic contact layer formed by patterning the impurity-doped amorphous silicon layer. | 04-22-2010 |
| 20100277659 | LIQUID CRYSTAL DISPLAY AND FABRICATION METHOD THEREOF - A liquid crystal display and a fabricating method thereof are provided. The liquid crystal display includes a first substrate having a pixel portion and a pad portion; a gate line and a data line crossing each other to define the pixel portion at the pixel portion; a transistor adjacent to a crossing of the gate line and the data line, the transistor including a gate electrode, a source electrode and a drain electrode; an insulating layer above the source electrode and the drain electrode, the insulating layer exposing a lateral side of the drain electrode; a pixel electrode in contact with the lateral side of the drain electrode; a second substrate attached to the first substrate; and a liquid crystal layer between the first substrate and a second substrate. | 11-04-2010 |
| 20110143504 | THIN FILM TRANSISTOR SUBSTRATE AND METHOD OF MANUFACTURING THE SAME - A method of fabricating a liquid crystal display device includes forming a gate electrode; forming a gate insulator on the gate electrode, an active layer on the gate insulator, and an etch stopper on the active layer; depositing an ohmic contact layer, a first metal layer and a second metal layer on the substrate; etching the ohmic contact layer, and the first and second metal layers to form ohmic contact patterns, and first and second metal patterns including source, drain and pixel electrodes using a single photomask. | 06-16-2011 |
| 20110234936 | HIGH LIGHT TRANSMITTANCE IN-PLANE SWITCHING LIQUID CRYSTAL DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE SAME - The present disclosure relates to a horizontal electric field type liquid crystal display device having the horizontal electric fields over the pixel electrodes and the common electrodes which are disposed on the same level plane, and a method for manufacturing the same. The horizontal electric field type liquid crystal display device comprising: a substrate; a gate line and a data line crossing each other with a gate insulating layer therebetween, and defining a pixel area on the substrate; a thin film transistor formed where the gate line and the data line is crossing; a pixel electrode contacting the thin film transistor on the gate insulating layer; a common electrode disposed in parallel with the pixel electrode having a predetermined distance; and a passivation layer covering whole surface of the substrate including the pixel electrode and the common electrode. According to the present disclosure, as all liquid crystal molecules including molecules disposed right over the pixel electrodes and the common electrodes are driven by the horizontal electric field, the light transmittance and the aperture ratio are enhanced. | 09-29-2011 |
