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| Application No. | Application Title | Issue Date |
| 20100053079 | REMOTE CONTROL SYSTEM INCLUDING A DISPLAY PANEL AND A TERMINAL FOR REMOTE-CONTROLLING THE DISPLAY PANEL, AND REMOTE CONTROL METHOD IN THE REMOTE CONTROL SYSTEM Disclosed are a remote control method in a remote control system including a display panel, and a terminal for remote-controlling the display panel, and the remote control system. The remote control system includes a terminal for transmitting a light signal to a point o... | 03/04/2010 |
| 20090303969 | Apparatus and method for employing common control channel and broadcast channel in a broadband wireless communication system with frequency overlay A broadband wireless communication system supporting frequency overlay is provided. Operations of a base station includes checking whether it is time to transmit a common control signal; switching positions of a first Common Control Channel and a second Common Control C... | 12/10/2009 |
| 20080288846 | APPARATUS AND METHOD FOR ENCODING AND DECODING BLOCK LOW DENSITY PARITY CHECK CODES WITH A VARIABLE CODING RATE An apparatus and method for coding a block Low Density Parity Check (LDPC) code having a variable coding rate. The apparatus receives an information word and encodes the information word into a block LDPC code based on one of a first parity check matrix and a second par... | 11/20/2008 |
| 20080263431 | Apparatus and method for transmitting and receiving signal in a communication system An apparatus and method for transmitting and receiving a signal in a communication system are provided. The signal transmission apparatus generates a parity check matrix for an LDPC code in accordance with a code rate to be used and generates a codeword vector by encodi... | 10/23/2008 |
| 20080250305 | Method for generating non-binary structured low density parity check code A method for generating a non-binary Low Density Parity Check (LDPC) code. The method includes generating non-binary identity matrixes so as to satisfy at least one condition, wherein the non-binary LDPC code is defined by a parity check matrix, and the parity check mat... | 10/09/2008 |
| 20080232343 | Apparatus and method for estimating uplink frequency offset in wireless communication system Provided is an apparatus and method for estimating an uplink frequency offset in a wireless communication system. In a receiving apparatus of a wireless communication system using a random access channel composed of two equivalent sequences, the apparatus includes a cha... | 09/25/2008 |
| 20080225789 | System and method for allocating resources in a communication system A method and system for allocating resources in a communication system including a first system having a use right for a plurality of frequency bands, and a second system having no use right for the plurality of frequency bands. The method includes acquiring first, seco... | 09/18/2008 |
| 20080219217 | Method and system for transmitting and receiving data in a heterogeneous communication system A method and system for transmitting/receiving data in a heterogeneous communication system. A terminal accesses a first controller of a first communication system supporting a first communication service to make a communication path to the first communication system. A... | 09/11/2008 |
| 20080212549 | Apparatus and method for receiving signal in a communication system A signal reception method and apparatus for a communication system. One input unit and dc−1 delay nodes each receive one input message. A comparison unit compares magnitudes of the input messages being input to the dc−1 delay nodes, and outputs... | 09/04/2008 |
| 20080205260 | SYSTEM AND METHOD FOR TRANSMITTING DATA BURSTS IN COMMUNICATION SYSTEMS Disclosed is a method for transmitting data bursts by a base station in a communication system, including forming one group which includes at least one subchannel and transmitting at least two data bursts having an equal transmission characteristic through each subchann... | 08/28/2008 |
| 20080198788 | Hybrid automatic repeat request system and method thereof in a communication system A method to transmit a packet of a BS in a communication system using a HARQ scheme is provided. The method includes assigning resource for transmitting a packet to a mobile station, and transmitting a first packet to the mobile station using the assigned resource; tran... | 08/21/2008 |
| 20080189589 | APPARATUS AND METHOD FOR RECEIVING SIGNAL IN A COMMUNICATION SYSTEM Provided are an apparatus and method for receiving a signal in a communication system, in which a signal is received and decoded by setting an offset indicating a start position of a node operation for each block column of a parity check matrix of a Low Density Parity C... | 08/07/2008 |
| 20080183821 | Apparatus and method for receiving signals in a communication system Provided is an apparatus and method for receiving signals in a communication system. A first processor inputs dc input messages through dc input nodes, respectively, generates one output message from the dc input messages using a predetermined operation scheme, and outp... | 07/31/2008 |
| 20080171565 | Apparatus and method for joint power control in a wireless communication system An apparatus and a method for joint power control in a wireless communication system are provided, in which customer premise equipments to be serviced are selected by scheduling, upon receipt of service requests from the customer premise equipments, the interference lev... | 07/17/2008 |
| 20080167061 | Apparatus and method for transmitting and receiving signal and subcarrier allocation structure therefor in a multi-user multi-antenna communication system An apparatus and method for transmitting and receiving a signal and a subcarrier allocation structure therefor in a multi-user multi-antenna communication system are provided, in which a transmitter calculates receive filters for each of a plurality of receivers or for ... | 07/10/2008 |
| 20080130486 | Apparatus and method for frame structure in wide-band wireless communication system An apparatus and method for maintaining backward compatibility with a narrow-band wireless communication system in a wide-band wireless communication system is provided. The base station comprises a scheduler, a control information generator, a resource mapping unit and... | 06/05/2008 |
| 20080062915 | Apparatus and method for automatic repeat request in multi input multi output system An apparatus and method for Automatic Repeat reQuest (ARQ) in a Multi Input Multi Output (MIMO) system. The method includes computing weights of erroneous packets and weights of transmitting antennas by using channel information; sorting the weights of the erroneous pac... | 03/13/2008 |
| 20080059862 | APPARATUS AND METHOD TO TRANSMIT/RECEIVE SIGNAL IN A COMMUNICATION SYSTEM An apparatus and method for transmitting/receiving a signal in a communication system are provided. A signal reception apparatus of a communication system receives a signal and generates a child Low Density Parity Check (LDPC) codeword vector by decoding the received si... | 03/06/2008 |
| 20080037671 | APPARATUS AND METHOD FOR LOW-COMPLEXITY SCHEDULING IN MULTI-USER MIMO SYSTEM Provided is an apparatus and method for low-complexity scheduling in a multi-user Multi-Input Multi-Output (MIMO) system. In a method for scheduling in a MIMO system, a vector is set on the basis of channel information for all user terminals. A scalar for the vector is ... | 02/14/2008 |
| 20080039011 | APPARATUS AND METHOD FOR PROVIDING RELAY SERVICE IN MULTI-HOP RELAY BROADBAND WIRELESS ACCESS COMMUNICATION SYSTEM Provided is an apparatus and method for providing a synchronous relay service in a multi-hop relay BWA communication system. In the method, a BS-MS link subframe and an RS-MS link subframe are configured for a first section of a subframe in an ith frame. At l... | 02/14/2008 |
| 20080039013 | Apparatus and method for generating synchronization channel for relay station in wireless communication system An apparatus and method for generating an RS SCH in a wireless communication system are provided, in which a base station checks a BS SCH sequence and a mask sequence, and generates an RS SCH sequence by XOR-operating the BS SCH sequence and the mask sequence. ... | 02/14/2008 |
| 20080037676 | Apparatus and method for transmitting/receiving signal in a communication system Disclosed is an apparatus and method for transmitting/receiving a signal in a communication system, in which an MCS level or a modulation scheme to be used to an information vector to be transmitted is determined when the information vector is generated, and a codeword ... | 02/14/2008 |
| 20080028273 | APPARATUS AND METHOD OF ENCODING/DECODING BLOCK LOW DENSITY PARITY CHECK CODES IN A COMMUNICATION SYSTEM An apparatus and method of encoding a block Low Density Parity Check (LDPC) code in a signal transmission apparatus is disclosed. The method includes generating a block LDPC codeword by encoding an information vector using a second parity check matrix when a code rate t... | 01/31/2008 |
| 20080010579 | APPARATUS AND METHOD FOR RECEIVING SIGNAL IN A COMMUNICATION SYSTEM An apparatus and method of receiving a signal in a communication system are provided, in which a signal is received and decoded by a PPS scheme being an LDPC decoding scheme in which an order of performing a node operation is scheduled.... | 01/10/2008 |
| 20080005643 | Apparatus and method for receiving signal in a communication system A signal reception apparatus for a communication system is disclosed in which the signal reception apparatus receives a signal and decodes the received signal using a second decoding scheme approximated from a first decoding scheme. The second decoding scheme is a schem... | 01/03/2008 |
| 20070283219 | Apparatus and method for transmitting/receiving signal in communication system An apparatus and method for encoding/decoding a non-binary low density parity check (LDPC) code in a communication system. The apparatus and method includes receiving an information vector; generating a non-binary LDPC code by encoding the information vector into a non-... | 12/06/2007 |
| 20070283216 | APPARATUS AND METHOD FOR TRANSMITTING/RECEIVING SIGNAL IN A COMMUNICATION SYSTEM A signal transmission apparatus in a communication system is disclosed. A channel interleaver generates an interleaved vector by channel-interleaving a Low Density Parity Check (LDPC) codeword according to a channel interleaving rule, and a modulator generates a modulat... | 12/06/2007 |
| 20070275657 | Retransmission apparatus and method in wireless relay communication system An apparatus and method for performing Automatic Retransmission reQuest (ARQ) of a Relay Station (RS) in a wireless communication system using a relay scheme are provided. The method includes receiving data from a transmitter and transmitting the received data to one or... | 11/29/2007 |
| 20070275656 | Retransmission apparatus and method in wireless relay communication system Apparatus and method for performing Automatic Retransmission reQuest (ARQ) in a wireless relay communication system are provided, which include performing ARQ with the base station (BS), transmitting data successfully received from the BS to mobile station (MS), and ret... | 11/29/2007 |
| 20070270113 | Apparatus and method for frequency reuse to avoid interference between relay station and mobile station in multi-hop relay system An apparatus and method is disclosed for frequency reuse to avoid interference between a Relay Station (RS) and a Mobile Station (MS) in a multi-hop relay system. The method includes measuring a preamble signal strength of a serving RS, measuring a preamble signal stren... | 11/22/2007 |
| 20070258529 | Method and system of orthogonalizing signal transmitted from BS applied to OFDM access A method of orthogonalizing signals transmitted from a BS in an OFDMA system, at a transmitting end, includes a) performing encoding, interleaving and modulation on original information bits; b) allocating sub-carriers with equivalent intervals to a sub-channel, and div... | 11/08/2007 |
| 20070258530 | Apparatus and method for detecting signal in a broadband wireless access system An apparatus and method for signal detection in a Broadband Wireless Access (BWA) system are provided, in which in a transmitter, a first preamble sequence generator generates preamble sequences, a low-Peak-to-Average Power Ratio (PAPR) preamble sequence selector select... | 11/08/2007 |
| 20070245204 | Retransmitting apparatus and method using relay station in a multi-hop network An apparatus and method for retransmitting data using an RS in a multi-hop network are provided. When retransmitting data in a BS, the BS transmits data and activates a timer therefor. The BS monitors receipt of a response message for the data until the timer expires. T... | 10/18/2007 |
| 20070245205 | Automatic Repeat reQuest (ARQ) apparatus and method of Multiple Input Multiple Output (MIMO) system Automatic Repeat reQuest (ARQ) apparatus and method of a Multiple Input Multiple Output (MIMO system are provided. The ARQ method includes decoding, when one or more packets are received, the received packets and trying to detect the decoded packets; and storing, when e... | 10/18/2007 |
| 20070237167 | Method for transmitting/receiving data in communication system A method is provided for transmitting/receiving data in a communication system. The method includes measuring, by a Mobile Station (MS), states of channels which are allocated in a scheme prearranged with a Base Station (BS), and encoding measured channel state informat... | 10/11/2007 |
| 20070237107 | Apparatus and method for transmitting packets in wireless access communication system using relay stations Provided is an apparatus and method for efficiently transmitting packets to MSs in a BWA system using RSs. A BS uses an ESH to combines packets, which are to be transmitted through RSs to MSs, into a larger packet prior to transmission. Alternatively, the BS transmits p... | 10/11/2007 |
| 20070230375 | Method and system for controlling power in a communication system A method is provided for controlling power in a communication system. The power control method includes allocating a first data transmission region and a second data transmission region corresponding to a first communication scheme and second communication scheme; provi... | 10/04/2007 |
| 20070226586 | Apparatus and method for receiving signal in a communication system An apparatus and method is provided for receiving a signal in a communication system. The signal reception apparatus includes a receiver for receiving a signal, and a decoder for decoding the received signal according to a Low Density' Parity Check (LDPC) decoding schem... | 09/27/2007 |
| 20070226587 | Apparatus and method for receiving signal in communication system Provided are an apparatus and a method for receiving a signal in a communication system, which receives the signal, and decodes the received signal in a Low Density Parity Check (LDPC) decoding scheme in which the sequence of check node operations is scheduled, thereby ... | 09/27/2007 |
| 20070223619 | Apparatus and method for feeding back information on channel state for scheduling in multiple antenna system An apparatus and method for controlling amount of information to be fed back in a multiple antenna system in a multi-user environment. The apparatus includes a channel estimator which estimates channel values by using an input signal; a Singular Value Decomposition (SVD... | 09/27/2007 |
