Patent application number | Description | Published |
20130067251 | RELAY AND DATA PROCESSING METHOD - A relay and a data processing method are provided. The relay includes: a detection unit for classifying and detecting event oriented monitoring data and non-event oriented monitoring data from monitoring data; a storage unit for storing the detected monitoring data; a communication unit for receiving a request signal of the monitoring data from a monitoring device and transmitting corresponding monitoring data in response to a transmission request signal of the monitoring data; and a control unit for extracting event oriented monitoring data from the monitoring data and performing a control to transmit the monitoring data requested from the monitoring device. | 03-14-2013 |
20130170395 | METHOD FOR LINKING ETHERNET COMMUNICATION FOR DIGITAL PROTECTIVE RELAY AND THE DIGITAL PROTECTIVE RELAY PERFORMING THE SAME - A method for establishing an Ethernet communication link of a digital protective relay having at least two communication ports, includes: configuring physical layers of a first communication port and a second communication port; determining whether or not auto-negotiation with respect to the first communication port or the second communication port is successful; and replacing configuration information regarding one of physical layers of the first communication port and the second communication port with configuration information regarding the other of the physical layers of the first communication port and the second communication port according to whether or not the auto-negotiation with respect to the first communication port and the second communication port has been successful. Although Ethernet ports of the digital protective relay are connected without priority, the digital protective relay may perform the same operation. | 07-04-2013 |
20130232478 | METHOD FOR MAINTAINING FIRMWARE OF DIGITAL PROTECTIVE RELAY AND DIGITAL PROTECTIVE RELAY PERFORMING THE SAME - A firmware updating method for a digital protective relay having a plurality of modules includes receiving firmware update related information from a master device, notifying necessity of firmware update to a target module having a firmware to be updated based on the firmware update related information, receiving a firmware update ready message from the target module, and downloading a firmware from the master device into the target module and installing the downloaded firmware. According to the method, without opening a distributing board or removing an enclosure of a digital protective relay for updating a firmware of the digital protective relay, reduction of time and costs for on-site engineering and maintenance can be expected. | 09-05-2013 |
20150067408 | EVENT COMMUNICATION APPARATUS FOR PROTECTION RELAY - Disclosed is an event communication apparatus for a protection relay, which effectively simplifies an event determination operation by a main processing module and a communication module, thereby enhancing updating. The event communication apparatus for the protection relay includes a shared memory configured to store and provide data needed to share, a main processing module configured to, whenever an event occurs, update previous event data to a status information of the event and a status occurrence time information as new event data, and write the updated event data into the shared memory, and a communication module configured to periodically read status information from the shared memory, compare the read status information with pre-stored previous status information to determine whether there is a status change, determine occurrence of a new event when there is the status change, and transmit corresponding event data to an supervisory monitor immediately when the new event occurs. | 03-05-2015 |
Patent application number | Description | Published |
20100095370 | SELECTIVE PACKET CAPTURING METHOD AND APPARATUS USING KERNEL PROBE - The present invention discloses a packet capturing method using a kernel probe, which is for capturing traffic generated only by a specific application. The packet capturing method using a kernel probe comprises the steps of: acquiring the 5-tuple information of a packet associated with the application to capture by intercepting a specific set of operating system networking kernel functions using a kernel probe which intercepts calls to the functions; capturing packets inputted and outputted through a network device; and identifying traffic generated by the application by comparing the 5-tuple information with 5-tuple information of the captured packets. | 04-15-2010 |
20130111063 | ROUTING METHOD IN CONTENT-CENTRIC NETWORK | 05-02-2013 |
20130166695 | SYSTEM FOR PROVIDING INFORMATION-CENTRIC NETWORKING SERVICES BASED ON P2P AND METHOD THEREOF - Disclosed are a system and a method for providing information-centric networking services based on P2P. The system for providing information-centric networking services based on P2P according to the present invention includes: when receiving a request for contents from a user, a first content node configured to request the contents using a plurality of address information for the requested contents; a plurality of second content nodes configured to provide the corresponding contents according to the request of the first content node; and a query server configured to select at least one second content node for requesting the contents among the plurality of second content nodes corresponding to each of the plurality of address information. | 06-27-2013 |
20130215756 | APPARATUS AND METHOD FOR MANAGING CONTENTS CACHE CONSIDERING NETWORK COST - Provided is a content cache managing method and apparatus, and more particularly, a method and an apparatus for managing a content cache by considering network cost in a network. A content cache managing method of transmission equipment that forwards a content data packet may include calculating a cache replacement factor value by using network cost that is incurred in a network path from the transmission equipment to an original content server storing original content data, based on the content data packet that the content data packet is received from neighboring transmission equipment, and managing a cache in the transmission equipment based on the calculated cache replacement factor value or a state of cache in the transmission equipment to store the content data packet. | 08-22-2013 |
20140006449 | SYSTEM FOR INTEROPERATING DHT-BASED OVERLAY NETWORKS AND METHOD THEREOF | 01-02-2014 |
20140023072 | PACKET PROCESSING DEVICE FOR IP-BASED INFORMATION-CENTRIC NETWORK - Provided is a packet processing device for an information-centric network. The packet processing device includes a packet transceiver configured to transmit and receive packets, and a packet processing unit configured to process a transmitted or received packet including a forwarding identifier that identifies information present in the ICN and corresponds to an IP address of a network node holding the information, and at least one sub-identifier that identifies child information of the information, in which the forwarding identifier is used to forward packets. | 01-23-2014 |
20140025775 | CONTENT DELIVERY SYSTEM AND METHOD BASED ON INFORMATION-CENTRIC NETWORKING - A content delivery system and method based on information-centric networking (ICN) are provided. A node closest to a content provider (CP) may be designated as a node to process a content publication request of a specific CP. A content publication load is distributed and processed by a plurality of nodes, so that the network cost and load related to content publication may be reduced. | 01-23-2014 |
20140078936 | APPARATUS FOR CONFIGURING OVERLAY NETWORK AND METHOD THEREOF - Disclosed are an apparatus for configuring an overlay network and a method thereof. An apparatus for configuring an overlay network may include a network configuring device collecting topology information and bandwidth information of a physical network and configuring one logical network including a plurality of predetermined nodes by using the collected topology information and bandwidth information of the physical network; and a storage device storing the topology information and bandwidth information of the physical network. | 03-20-2014 |
20140079067 | INFORMATION CENTRIC NETWORK (ICN) NODE BASED ON SWITCH AND NETWORK PROCESS USING THE NODE - The present invention relates to an apparatus for supporting information centric networking. An information centric network (ICN) node based on a switch according to the present invention includes an ICN process configured to request information for providing content desired by a user or process an ICN protocol for responding to the requested information; a line card configured to transfer a received packet to the ICN process by recognizing a header format of the packet and, or output the received packet by determining an output port; and a switch module configured to relay a transfer of the packet between the line cards. | 03-20-2014 |
20140089454 | METHOD FOR MANAGING CONTENT CACHING BASED ON HOP COUNT AND NETWORK ENTITY THEREOF - Disclosed is hop-count based content caching. The present invention implements hop-count based content cache placement strategies that efficiently decrease traffics of a network by the routing node's primarily judging whether to cache a content chunk by grasping an attribute of the received content chunk; the routing node's secondarily judging whether to cache the content chunk based on a caching probability of ‘1/hop count’; and storing the content chunk and the hop count information in the cache memory of the routing node when the content chunk is determined to cache the content chunk as a result of the secondary judgment. | 03-27-2014 |
20140136647 | ROUTER AND OPERATING METHOD THEREOF - An exemplary embodiment provides a router including: a number calculating unit configured to count an accumulated request number corresponding to a plurality of previously requested contents and a request number of a request signal for an arbitrary content which is currently input; a probability calculating unit configured to calculate an arbitrary probability value for the arbitrary content based on the accumulated request number and the request number; and a policy determining unit configured to determine whether to store the arbitrary content which is provided to an arbitrary terminal which transmits the request signal from an arbitrary content server, based on the arbitrary probability value and a set reference probability value. | 05-15-2014 |
20140164608 | CONTENT TRANSMISSION SYSTEM - In order to easily prevent traffic of a content data server, which provides an arbitrary content, from being overloaded, the content transmission system according to an exemplary embodiment includes a content data server which provides an arbitrary content to a plurality of terminals when a request signal for the arbitrary content is input from the plurality of terminals, a data control server which when the arbitrary content is provided, monitors whether the traffic of the content data server is overloaded and if the traffic is overloaded as a result of monitoring, generates a traffic distribution request signal, and a node control server which when the traffic distribution request signal is input from the data control server, controls to provide the arbitrary content to an arbitrary distribution node, which satisfies a setting standard among a plurality of distribution nodes, to be provided to an arbitrary terminal among the plurality of terminals. | 06-12-2014 |
20140189793 | VIRTUAL FILE SYSTEM FOR INTERWORKING BETWEEN CONTENT SERVER AND INFORMATION-CENTRIC NETWORK SERVER AND OPERATING METHOD THEREOF - Disclosed is a virtual file system for interworking between a content server and an information-centric network server, the system including: a file system function processing unit configured to process a file operation for a predetermined content requested from a plurality of content service protocols; a cache control unit configured to process the content requested through the file operation by managing a cache in a node; and a protocol matching unit configured to process the content requested through the file operation by interfacing with a plurality of content transfer protocols. | 07-03-2014 |
20140317271 | METHOD AND NODE APPARATUS FOR COLLECTING INFORMATION IN CONTENT NETWORK BASED ON INFORMATION-CENTRIC NETWORKING - In a content network over which a plurality of smart nodes is coupled, each smart node receives advertisement messages broadcasted by adjacent smart nodes. The advertisement message may be one of a link state advertisement (LSA) message including link state information indicative of a link that is a network interface, a server state advertisement (SSA) message including server state information indicative of a data storage state and a processing state of a processing unit of the smart node, and a content state advertisement (CSA) message including content state information indicative of content stored in the smart node. Each smart node updates its own database based on the information included in the received advertisement message. | 10-23-2014 |
20140317272 | METHOD OF COLLECTING INFORMATION, CONTENT NETWORK MANAGEMENT SYSTEM, AND NODE APPARATUS USING MANAGEMENT INTERFACE IN CONTENT NETWORK BASED ON INFORMATION-CENTRIC NETWORKING - In a content network over which a plurality of smart nodes is coupled, a content network management system receives information response messages including pieces of management interface base (MIB) information from smart nodes. Next, the content network management system classifies the pieces of MIB information included in the received response messages into server resource information, topology information, and network resource information, and stores and manages the pieces of information. | 10-23-2014 |
20150124648 | COMMUNICATION METHOD IN SOFTWARE DEFINED NETWORK (SDN) USING HERARTCHICAL STRUCTURE AND SDN SYSTEM - A communication method in a software defined network (SDN) using a hierarchical structure and a system thereof are provided. The communication method includes separating a transport plane and a control plane from each other; hierarchically partitioning the control plane into a plurality of lower-level controllers and a upper-level controller that is configured to integratedly manage the plurality of lower-level controllers; and controlling communication among unit networks or through at least one unit network by using a hierarchical structure of the control plane. | 05-07-2015 |
20150195183 | METHOD AND APPARATUS FOR MANAGING FLOW TABLE - A method and apparatus for managing a flow table is provided. The method includes dividing a flow table into a plurality of states according to occupancy levels of the flow table in a network device; and managing the flow table by reflecting the changed state of the flow table. | 07-09-2015 |
20150200813 | SERVER CONNECTION APPARATUS AND SERVER CONNECTION METHOD - A server connection apparatus and method for controlling a connection between a plurality of controller servers and a plurality of network devices. The server connection apparatus includes a network connector configured to connect a plurality of controller servers capable of functioning as OpenFlow protocol-based SDN controllers and a plurality of network devices on a data plane and relay transmission and reception of data between the controller servers and the network devices; and a controller configured to create a list of available controller servers by monitoring an operational state of each controller server, select a particular controller server to be in charge of controlling a network device in response to a received request, and then control connection relationships between the plurality of controller servers and the plurality of network devices based on the selection result. | 07-16-2015 |
Patent application number | Description | Published |
20120118876 | FLIP CHIP BONDING APPARATUS AND MANUFACTURING METHOD THEREOF - According to example embodiments, a flip chip bonding apparatus includes a metal chamber, a stage in the metal chamber, and a planar antenna in the chamber. The stage may be configured to receive a circuit board having flip chips arranged thereon. The antenna may be configured to bond the flip chips to the circuit board by inductively heating the flip chips on the circuit board. | 05-17-2012 |
20130139380 | CHIP BONDING APPARATUS AND CHIP BONDING METHOD USING THE SAME - A chip bonding apparatus configured to bond chips to a circuit board using induction heating generated by an AC magnetic field may be provided. In particular, the chip bonding apparatus includes at least one stage unit configured to support a circuit board on which a chip is placed, a rotating unit configured to rotatively move the at least one stage unit at a desired angle, and a bonding unit including an induction heating antenna configured to perform induction heating such the chip is bonded to the circuit board. | 06-06-2013 |
20130248114 | CHIP BONDING APPARATUS - A bonding apparatus includes at least one stage unit to support a circuit board having a chip thereon and a bonding unit coupled to the stage unit to define a chamber. The bonding unit has at least one inductive heater to heat to bond the chip to the circuit board, and the stage unit includes a vacuum generator configured to generate a vacuum between the stage unit and the circuit board. The vacuum is used to hold the circuit board on the stage unit during bonding of the chip to the circuit board. The induction heater may include one or more induction heating antennas, and the chamber may include one or more stage units. | 09-26-2013 |
20150155210 | SEMICONDUCTOR MANUFACTURING APPARATUSES AND METHODS THEREOF - A semiconductor manufacturing apparatus may include: a pickup unit configured to pick up a chip in a first region of the semiconductor manufacturing apparatus; a bonding head configured to receive the picked-up chip and configured to move from the first region to a top of a circuit board in a second region of the semiconductor manufacturing apparatus; and/or an optical unit configured to detect a bonding position on the circuit board while moving from the first region to the second region. A semiconductor manufacturing apparatus may include: a bonding head including a heater for heating a chip and bonding the chip onto a circuit board; and/or a cooling block, adjacent to the heater, through which cooling liquid flows. The cooling liquid may be removed from the cooling block while the heater generates heat. The cooling liquid may be supplied to the cooling block while the heater is cooled. | 06-04-2015 |
Patent application number | Description | Published |
20100075594 | APPARATUS AND METHOD FOR CALIBRATION FOR RELAY STATION IN MULTIPLE ANTENNA COMMUNICATION SYSTEM - A calibration apparatus and method for supporting a Relay Station (RS) in a multiple antenna communication system are provided. The calibration method in the multiple antenna communication system which supports the RS includes, when a modem stage sends a downlink calibration signal, receiving, at a calibrator, the downlink calibration signal and estimating a downlink path channel, when the calibrator sends an uplink calibration signal, receiving, at the modem stage, the uplink calibration signal and estimating an uplink path channel, determining, at the modem stage, calibration coefficients per path not to generate a phase and amplitude difference with respect to the estimated uplink path channel and the estimated downlink path channel, and applying the calibration coefficients per path to corresponding antennas respectively. | 03-25-2010 |
20100215088 | Apparatus and method for changing communication mode in multi-antenna system considering channel environment - An apparatus and a method for determining a multi-antenna transmission mode at a base station in a multi-antenna system are provided. The method for determining the multi-antenna transmission mode includes when using a Multiple Input Multiple Output (MIMO) transmission mode as a multi-antenna transmission mode, determining a reference set point; updating a set point for transmit power control of a terminal according to an error occurrence of a signal received from the terminal; determining whether a channel to the terminal is a channel for applying the MIMO transmission mode by comparing the updated set point with the reference set point; and when the channel to the terminal is not a channel for applying the MIMO transmission mode, changing the multi-antenna transmission mode to a fixed transmission mode. | 08-26-2010 |