Patent application number | Description | Published |
20090286474 | RADIO REPEATER FOR MOBILE COMMUNICATION SYSTEM AND REPEATING METHOD USING THE SAME - Disclosed herein is a radio frequency (RF) repeater comprising an analog signal processing unit and a digital signal processing unit, wherein the analog signal processing unit includes a filtering unit; an amplification unit on receiving side; a frequency conversion unit on receiving side; a frequency conversion unit on transmitting side; and an amplification unit on transmitting side, and the digital signal processing unit includes a receiving signal detection unit; the automatic gain control unit; a feedback signal detection unit; a feedback signal combining unit; a feedback signal elimination unit; an automatic delay control unit; and the control unit. | 11-19-2009 |
20110054327 | Hypodermic Vein Detection Imaging Apparatus based on Infrared Optical System - The present invention is to provide a hypodermic vein detection imaging apparatus capable of visualizing a vein under the skin. The hypodermic vein detection system according to the present invention comprises a hypodermic vein detection imaging apparatus ( | 03-03-2011 |
20140235842 | CONVENIENT AND EFFICIENT PURIFICATION METHOD FOR CHEMICALLY LABELED NUCLEIC ACIDS - The present invention relates to a method for purifying chemically labeled nucleic acids. More particularly, the present invention relates to a convenient and efficient method for purifying labeled nucleic acids in a fast manner with high efficiency from a mixture of unreacted hydrophobic probes, unreacted nucleic acids and labeled nucleic acids. | 08-21-2014 |
20150031867 | WATER-SOLUBLE FLUORESCENCE COMPOUND AND METHOD FOR PREPARING THE SAME - The present invention provides a water-soluble fluorescent compound of resveratrone 6-O-β-glucoside [(E)-4-(8-hydroxy-6-(((2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)naphthalen-2-yl)but-3-en-2-one] and its derivatives of Formula 1 which have at least one water-soluble substituent, and a method for preparing the same by a photochemical reaction of resveratrol 3-O-β-glucoside and its derivatives of having Formula 3 which are not fluorescent. Said new water-soluble fluorescent compounds has single-photon absorptive characteristics and/or two-photon absorptive characteristics as well as no or little toxicity, and can be usefully utilized in fields that requires water-soluble fluorescent characteristics (diagnosis, fluorescent probe, in vivo imaging, display, etc.). | 01-29-2015 |
Patent application number | Description | Published |
20080225975 | Structured Space-Time Code Achieving the Full Diversity and Full Rate and Generating Method Thereof, and Multi-Input Multi-Output System - A space-time code used for a transmitter to transmit a plurality of data symbols to a receiver in a MIMO system, the space-time code including a code word matrix for transmitting an amount of data symbols corresponding to a product of the number of transmit antennas and a spatial multiplexing rate during one block period, wherein a row index indicates combined signals transmitted through different transmit antennas and a column index indicates time slots that correspond to the number of transmit antennas, and wherein the number of data symbols allocated to each transmit antenna in a code block corresponds to the spatial multiplexing rate, and the data symbols are combined by different combining coefficients for each transmit antenna at every time slot, and simultaneously transmitted through different transmit antennas, and each transmit antenna transmits a different set of data symbols at every time slot. | 09-18-2008 |
20080313252 | Sphere Decoder and Decoding Method Thereof - A sphere decoder sets a Euclidean distance between a lattice vector obtained by using an MMSE or ZF estimate and a received signal as an initial radius, further reduces the initial radius, and searches lattices points included inside a hypersphere with the further reduced initial radius. In addition, one lattice vector having a minimum Euclidean distance is output. One dimension is selected to reduce an initial radius, and estimates in other dimensions are kept fixed, excluding the selected dimension. Then candidate lattice points are searched in the selected dimension, excluding a current estimate, such that a minimum Euclidean distance and a lattice point estimate corresponding to the minimum Euclidean distance are obtained. The initial radius is updated by the minimum Euclidean distance, and a final lattice vector is constructed by combining a lattice point estimate corresponding to the initial radius and the lattice point estimates in other dimensions. | 12-18-2008 |
20100002725 | SYSTEM AND METHOD FOR USING RESOURCES IN A COMMUNICATION SYSTEM - In a method for using resources in a communication system, a communication region is divided into inter-sector boundary regions, sector central regions, and a sector common region, and predetermined resources are allocated to the divided regions. | 01-07-2010 |
20100279600 | RELAY NETWORK AND ENTITY FOR CONTINUOUS TRANSMISSION BASED ON SUPERPOSITION CODING - Disclosed is a method of using relay that may continuously transmit data without time division based on superposition coding in a communication system. When transmission of a relay-supported user signal via a base station-relay link is performed, the method of using relay based on the superposition coding reuses a resource allocated to a direct-transmission user based on the superposition coding to perform the transmission. According to example embodiments, a separate resource for the base station-relay link may not be needed, and continuous relay transmission is possible without time division, thereby substantially increasing frequency efficiency and reducing a transmission delay caused by the use of the relay. | 11-04-2010 |
20110122812 | SEAMLESS SERVICE METHOD CONTROLLED BY USER TERMINAL - Provided are a seamless service method controlled by a user terminal, the method including: storing radio access technology (RAT) information and service flow information associated with a connecting radio access network (RAN); when a new link is detected, storing RAT information associated with the new link; verifying whether a new RAN satisfying a handover initiation criterion exists; when the new RAN exists, attempting a link connection with the new RAN; being assigned with an Internet Protocol (IP) to be used in the new RAN; setting up a handover service flow using the new RAN; and receiving a service via multiple paths using a connecting service flow and the handover service flow. Through this, it is possible to provide the seamless QoS even while the handover is being performed. | 05-26-2011 |
20110228797 | SYSTEM AND METHOD FOR USING RESOURCES IN A COMMUNICATION SYSTEM - In a method for using resources in a communication system, a communication region is divided into inter-sector boundary regions, sector central regions, and a sector common region, and predetermined resources are allocated to the divided regions. | 09-22-2011 |
20110228798 | SYSTEM AND METHOD FOR USING RESOURCES IN A COMMUNICATION SYSTEM - In a method for using resources in a communication system, a communication region is divided into inter-sector boundary regions, sector central regions, and a sector common region, and predetermined resources are allocated to the divided regions. | 09-22-2011 |
20110312267 | APPARATUS AND METHOD FOR RELAYING MULTIPLE LINKS IN A COMMUNICATION SYSTEM - An apparatus and method for transmitting and receiving control data and user data between multiple communication stations using multiple backhaul links in a communication system, in which a Multi-Link Relay Station (MLRS) generates multiple backhaul links for data transmission/reception between multiple communication stations, and provides a multi-homing service for mobile stations using the generated multiple backhaul links. The MLRS may also support a handover for mobile stations using the multiple backhaul links. The use of multiple backhaul links facilitates efficient transmission/reception of control data and/or user data between multiple base stations or multiple relay stations. | 12-22-2011 |
20130107791 | APPARATUS AND METHOD FOR TRANSMITTING SIGNAL IN COMMUNICATION SYSTEM | 05-02-2013 |
20130114482 | APPARATUS AND METHOD FOR CONTROLLING SESSION CONNECTION IN COMMUNICATION SYSTEM - User equipment (UE) in a communication system controls session connection of at least one of a transport layer, a network layer, and a physical layer. | 05-09-2013 |
20130336202 | APPARATUS AND METHOD FOR CONTROLLING A RELAY IN A COMMUNICATION SYSTEM - The present invention relates to an apparatus and method for controlling a communication link that interconnects communication nodes through a relay node in a communication system. To this end, a relay connection configuration between at least one first communication node and at least one second communication node is determined, and communication between the at least one first communication node and the at least one second communication node is provided by the determined connection configuration. Here, the relay connection configuration includes a backhaul network connection configuration that interconnects the at least one first communication node and the relay node, an access network connection configuration that interconnects the at least one second communication node and the relay node, a direct access connection configuration that interconnects the at least one first communication node and the at least one second communication node, and/or an internal connection configuration that interconnects a backhaul network interface bank connected to the at least one first communication node and an access network interface bank connected to the at least one second communication node within the relay node. | 12-19-2013 |
20140064200 | SYSTEM AND METHOD FOR USING RESOURCES IN A COMMUNICATION SYSTEM - In a method for using resources in a communication system, a communication region is divided into inter-sector boundary regions, sector central regions, and a sector common region, and predetermined resources are allocated to the divided regions. | 03-06-2014 |
20140169336 | METHOD AND SYSTEM FOR A HIGH-SPEED HANDOVER OF A MOBILE TERMINAL IN A COMMUNICATION SYSTEM - The present invention relates to a handover method, and more particularly, to a high-speed handover method for reducing handover delay. To this end, a handover method for a mobile terminal according to the present invention comprises the steps of: determining a first base station to which handover is to be performed; reserving a channel for performing the handover to the first base station and notifying a second base station, from which a service is currently provided, of information on the reserved channel; and performing the handover to the first base station when state information on channels of the first base station is received from the first base station. | 06-19-2014 |
20140206414 | TERMINAL IN COMMUNICATION SYSTEM AND METHOD FOR CONTROLLING SAME - A terminal for communicating with at least one communication device is disclosed. A terminal according to the present invention comprises an antenna unit having at least one antenna; and a controlling unit for: determining at least one communication device; determining an antenna individual operation mode of each of the at least one antennas; determining at least one antenna for communication with each of the at least one communication devices from among the at least one antennas; determining a combination operation mode of an antenna set which includes at least two antennas for each of some or all of the communication devices performing communication using the antenna set when communication is performed using at least two antennas for each of some or all of the at least one communication devices; and controlling transmission and reception of data with at least one communication device by using at least one antenna for communication with each of the at least one communication devices according to an antenna individual operation mode of each antenna or to the antenna individual operation mode of each antenna and a combination operation mode of an antenna set for each communication device. | 07-24-2014 |
20140293874 | TERMINAL AND METHOD FOR CONTROLLING COOPERATIVE TRANSMISSION IN COMMUNICATION SYSTEM - The present invention pertains to a communication system, and more particularly, to a terminal and method for autonomously controlling cooperative transmission wherein the terminal determines a cooperative transmission mode based on channel information and service quality information acquired by the terminal in a communication system. To this end, the present invention provides a terminal for controlling cooperative transmission from/to at least two cooperative transmission communication devices, the terminal including: a transmission mode determination unit for determining a cooperative transmission mode; and a mode-transmission-targeting communication device set determination unit for determining at least one mode-transmission-targeting communication device to which information on the determined cooperative transmission mode is to be transmitted. | 10-02-2014 |