Patent application number | Description | Published |
20120000153 | BRACKET STRUCTURE FOR INCREASING LOAD-CARRYING CAPACITY OF CONCRETE STRUCTURE AND ENABLING EASY CONSTRUCTION - Disclosed herein is a bracket structure for increasing strength of a concrete structure and enabling easy construction. The bracket structure includes an affixing bracket and a pre-stressing steel plate. The affixing bracket comprises a holding member connected to a bottom of the concrete structure using an anchor bolt, and a support member connected to the holding member and forming a channel to increase the moment of inertia of area of the concrete structure. The pre-stressing steel plate is connected to the support member of the affixing bracket, and applies stress to the concrete structure. | 01-05-2012 |
20130097947 | STEEL STRUCTURE INCLUDING PRE-STRESSING BRACKETS FOR IMPROVING LOAD-CARRYING CAPACITY AND SERVICEABILITY - A steel structure including pre-stressing brackets for improving load-carrying capacity and serviceability comprises: a steel girder; a plurality of connecting brackets connected to the bottom surface of the steel girder spaced and apart from one; and a cover plate connected to the bottom surfaces of the connecting brackets. Since the cover plate is installed regardless of the connecting portion of the steel girder, pre-stressing section can be consecutively formed therefore pre-stress effect is improved. Moreover, since the connecting brackets space the cover plate a constant distance from the steel girder, the moment of inertia is increased so the span of a bridge might be increased. | 04-25-2013 |
20140018121 | APPARATUS AND METHOD FOR SELECTING D2D COMMUNICATION MODE DEPENDING ON SIGNAL INTERFERENCE - An apparatus and method select a Device (D2D) communication mode according to whether there is signal interference. A method of operating a Transmitting (Tx) terminal, linked to a Receiving (Rx) terminal, for performing D2D communication includes confirming that the terminal is included in at least any one of groups in which links are grouped according to a link priority, receiving a result of determining whether there is a signal interference caused by at least three in-group links from the Rx terminal, and selecting a communication mode for communicating with the Rx terminal according to whether the signal interference exists. | 01-16-2014 |
20140050166 | INTER-LINK INTERFERENCE INFORMATION SHARING-BASED LINK SCHEDULING METHOD AND APPARATUS FOR USE IN WIRELESS COMMUNICATION SYSTEM - A link scheduling apparatus and method based on inter-link interference information sharing technique for use in a Device to Device (D2D) communication system is provided. A link scheduling method of a transmission node in a wireless communication system supporting direct communication between the transmission and recipient nodes includes receiving interference information of at least one recipient node from at least one recipient node, the interference occurring from at least one transmission node to at least one reception node, scheduling links based on the interference information; and transmitting data according to the scheduled links. | 02-20-2014 |
20140133593 | METHOD AND APPARATUS FOR SUPPORTING MULTIPLE-ACCESS SIGNAL IN MOBILE COMMUNICATION SYSTEM - In order to generate multiple-access signals, each transmitter transmits information by using all or a part of channel resources. The signal of each transmitter is mapped to an OFDM time-frequency resource space as a trellis modulation path. A mobile communication system maps trellis modulation paths of a plurality of transmitters to the same resource space. In order to effectively detect and distinguish signals of a plurality of transmitters transmitted through the same channel resource space, a receiver uses a message passing method between symbols and a path connection method. The receiver uses a state space expansion method, a backward pre-decoding method, and a successive interference cancellation method to more efficiently reconstruct a discovery signal. | 05-15-2014 |
20140169388 | PACKET DECODING METHOD AND APPARATUS - A method and an apparatus for encoding and decoding packets using a polar code is provided. The method includes acquiring a plurality of blocks constituting the packet, extracting a plurality of codeword candidates corresponding to the blocks, selecting some of the codeword candidates in a descending order of posterior probability among the codeword candidates corresponding to the blocks, combining the selected codeword candidates into a plurality of codeword combinations, selecting a codeword combination having the highest posterior probability and passed Cyclic Redundancy Check (CRC) test without error among the plurality of codeword combinations, and decoding the selected codeword combination. The packet encoding and decoding apparatus and method of the present disclosure is capable of encoding and decoding packets in a unit of blocks efficiently. | 06-19-2014 |
20140173376 | ENCODING METHOD AND APPARATUS USING CRC CODE AND POLAR CODE - An encoding method for encoding input information bits using an encoder implemented with concatenation of a CRC-α coder and a polar coder is provided. The method includes performing Cyclic Redundancy Check (CRC) coding on as many information bits as a determined number of CRC coding bits among input information bits and performing polar coding on the CRC-coded information bits and other information bits than the CRC-coded information bits. | 06-19-2014 |
20150264695 | METHOD AND APPARATUS FOR CONTROLLING INTERFERENCE IN DEVICE-TO-DEVICE COMMUNICATION - Disclosed is a method for controlling interference for D2D communication. The method includes: identifying whether a position of a first user device belongs to a first area that satisfies a predetermined criterion; and if the position of the first user device is identified to belong to the first area, determining some resources constituting dedicated resources of the first area, among available resources of a signal for discovering a counterpart user device of D2D communication by the first user device, as resources of the signal. | 09-17-2015 |
20150333767 | ENCODING APPARATUS AND ENCODING METHOD THEREOF - An encoding apparatus which performs encoding such as Low Density Parity Check (LDPC) encoding is provided. The encoding apparatus includes: an encoder encoding input bits using a parity check matrix including a plurality of blocks, each being formed of a first information word sub-matrix and a first parity sub-matrix arranged next to each other, and a second information sub-matrix and a second parity sub-matrix arranged next to each other; a bit determiner determining a value of a last sub-parity bit among sub-parity bits generated by encoding the input bits with respect to a first block among the plurality of blocks; and a bit modifier reversing values of bits generated by encoding the input bits with respect to a second block next to the first block based on the value of the last parity bit among the sub-parity bits generated by the encoding with respect to the first block. | 11-19-2015 |
20150333769 | INTERLEAVING AND PUNCTURING APPARATUS AND METHOD THEREOF - An apparatus and method for interleaving and puncturing are provided. The apparatus includes: an interleaver formed of a plurality of columns and rows, configured to perform interleaving by writing bits input to the interleaver in the plurality of columns and reading the bits from each row of the plurality of columns in which the bits are written; and a puncturer configured to puncture a predetermined number of bits among the bits read from the interleaver. | 11-19-2015 |
Patent application number | Description | Published |
20120207246 | Phase-Shift Keying Demodulators and Smart Cards Including the Same - A phase-shift keying (PSK) demodulator and a smart card including the same are disclosed. The PSK demodulator includes a delay circuit and a sampling circuit. The delay circuit generates a plurality of clock signals by delaying the input signal. The sampling circuit samples the input signal in response to the clock signals, and generates output data. | 08-16-2012 |
20120250383 | VOLTAGE ADJUSTING CIRCUIT, CONTACTLESS CARD AND CONTACTLESS CARD SYSTEM HAVING THE SAME, AND METHODS OF OPERATING THE VOLTAGE ADJUSTING CIRCUIT AND THE CONTACTLESS CARD - A voltage adjusting circuit is provided includes an inducing circuit configured to induce a voltage from electromagnetic waves, a first rectifying circuit configured to rectify an output voltage of the inducing circuit, a control circuit configured to control an output voltage of the first rectifying circuit in response to the output voltage of the first rectifying circuit, and a second rectifying circuit configured to simultaneously rectify and regulate the output voltage of the inducing circuit in response to the output voltage of the first rectifying circuit. | 10-04-2012 |
20120318875 | INTERNAL VOLTAGE GENERATING CIRCUIT AND SMART CARD - An internal voltage generating circuit includes a first voltage application unit, a second voltage application unit, a first regulator, a second regulator, and a controller. The first and second voltage application units respectively provide a first voltage and a second voltage. The controller generates a bulk voltage, a first control signal, and a second control signal from the first and second voltages. The first regulator is enabled or disabled according to the first control signal and generates and outputs the first internal voltage based on the bulk voltage, the first voltage, and a first reference voltage. The second regulator is enabled or disabled according to the second control signal and generates and outputs the second internal voltage based on the bulk voltage, the second voltage, and a second reference voltage. | 12-20-2012 |
20130112969 | METHOD OF MANUFACTURING P-TYPE ZNO NANOWIRES AND METHOD OF MANUFACTURING ENERGY CONVERSION DEVICE - A method of manufacturing silver (Ag)-doped zinc oxide (ZnO) nanowires and a method of manufacturing an energy conversion device are provided. In the method of manufacturing Ag-doped ZnO nanowires, the Ag-doped nanowires are grown by a low temperature hydrothermal synthesis method using a Ag-containing aqueous solution. | 05-09-2013 |
20130223116 | CONTACTLESS CARD CLAMP CIRCUITS THAT COMPENSATE FOR REGULATOR REFERENCE VOLTAGE FLUCTUATIONS - A contactless card includes an inductive circuit configured to send and receive signals, a rectifier circuit coupled to the inductive circuit and configured to generate a DC voltage from an AC voltage generated by the inductive circuit, a clamp circuit configured to limit the DC voltage, a regulator circuit configured to regulate the DC voltage and a control circuit configured to selectively enable and disable the clamp circuit and the regulator circuit. | 08-29-2013 |
20130321049 | SMART CARD CLOCK GENERATOR CIRCUITS WTH AUTONOMOUS OPERATION CAPABILITY AND METHOD OF OPERATING THE SAME - An apparatus includes a reference clock signal generator circuit configured to generate a reference clock signal in response to a carrier signal and a clock selection signal generator circuit configured to generate a clock selection signal in response to the carrier signal. The apparatus further includes a multiplexer (MUX) circuit configured to selectively output the reference clock signal and a PLL output clock signal in response to the clock selection signal and a phase-locked loop (PLL) circuit configured to receive the selectively output signal between the reference clock signal and the PLL output clock signal at a reference input thereof and to generate the PLL output clock signal therefrom. An ISO 14443 type A smart card may include such apparatus. | 12-05-2013 |
20130324058 | Wireless Communication Device - A wireless communication device includes an antenna, a transceiver, a filter circuit and an attenuation circuit. The transceiver includes a transmission electrode and a receive electrode, and communicates with an external device through the antenna. The filter circuit is coupled between the transmission electrode and the antenna, and includes a harmonic trap circuit that eliminates a harmonic element of a carrier frequency of an outgoing signal provided from the transceiver through the transmission electrode. The attenuation circuit is coupled between the receive electrode and the antenna, and provides an incoming signal received through the antenna to the receive electrode after reducing a voltage of the incoming signal. | 12-05-2013 |