Patent application number | Description | Published |
20140022982 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING DATA IN A WIRELESS COMMUNICATION SYSTEM THAT SUPPORTS A RELAY NODE - A method and apparatus for transmitting and receiving data in a wireless communication system that supports a relay node are disclosed, wherein an open-loop mode is provided between the relay node and a user equipment. A method for transmitting data from a relay node to a user equipment comprises the steps of receiving information on a first condition related to transmission of the data from a base station; receiving first data including a plurality of sequential codes from the base station; and transmitting second data corresponding a part of the first data to the user equipment in accordance with the first condition if decoding of the first code of the plurality of codes is successfully performed. | 01-23-2014 |
20140254532 | METHOD FOR TRANSMITTING A DOWNLINK SIGNAL IN A BASE STATION COOPERATIVE WIRELESS COMMUNICATION SYSTEM AND AN APPARATUS FOR SAME - The present invention relates to a method for determining a precoding matrix for downlink signal transmission in a base station cooperative wireless communication system. The method includes receiving from a first terminal first channel information between the first base station and the first terminal, and second channel information between a second base station and the first terminal, transferring the first and the second channel informations to the second base station, determining a first precoding matrix for a first channel maximizing the efficiency of transmission to the first terminal, and determining, by the second base station, a second precoding matrix for a third channel between the second base station and the first terminal in order for a signal transmitted from the second base station to the first terminal to be arranged in an area where a signal transmitted from the first base station to the first terminal is not used. | 09-11-2014 |
20140380133 | METHOD FOR NETWORK CODING FOR COOPERATIVE RELAY NETWORK IN WIRELESS COMMUNICATION SYSTEM - A method for processing a signal at a relay node in a wireless communication system is disclosed. More specifically, the relay node receives a codeword broadcast from a source node. Here, the codeword is partitioned into a plurality of sub-blocks by the source node. Then, the relay node generates two network encoded codewords by combining linearly the plurality of sub-blocks and transmits the two network encoded codewords to a destination node. | 12-25-2014 |
20150029926 | METHOD FOR TRANSMITTING AND RECEIVING DATA IN WIRELESS ACCESS SYSTEM AND APPARATUS FOR SAME - Disclosed are a method for transmitting and receiving data in a wireless access system supporting relay nodes, and an apparatus for same. In particular, the present invention comprises: a broadcast phase for receiving an acknowledgement (ACK) signal from a first terminal and a negative acknowledgement (NACK) signal from a second terminal, after a base station transmits first data to the first terminal by using a first precoding vector (w1, B), and second data to the second terminal by using a second precoding vector (w2, B); a listening phase for receiving an ACK signal from the first terminal and a NACK signal from the second terminal, after the base station transmits second data to the first and second terminals by using a third precoding vector (wL); and a cooperative phase for the base station to transmit the second data to the second terminal, in cooperation with the first terminal, by using a fourth precoding vector (wC) which has been chosen for maximizing the transmission efficiency of the second terminal, wherein the first precoding vector, the second precoding vector, and the third precoding vector are chosen so that the total length of the rounds of all phases is minimized. | 01-29-2015 |
20150103731 | METHOD AND APPARATUS FOR SUBSET NETWORK CODING WITH MULTIPLE ANTENNAS BY RELAY NODE IN WIRELESS COMMUNICATION SYSTEM - A method for network coding by a relay node in a wireless communication system is disclosed. The method comprises: receiving an information associated with channel estimation from a base station, determining a number of subset for network coding based on the information associated with channel estimation, receiving at least one codeword from at least one user equipment, and generating re-encoded codeword by network coding based on the number of subset, wherein the number of subset is calculated based on a first outage probability and a second outage probability, and wherein the first outage probability is outage probability of the user Equipment to the base station, and the second outage probability is outage probability of the relay node to the base station. | 04-16-2015 |
20150117300 | METHOD FOR TRANSMITTING DOWNLINK SIGNAL AT A RELAY NODE IN A WIRELESS COMMUNICATION SYSTEM AND APPARATUS THEREFOR - A method for transmitting downlink signals at a source base station in a wireless communication system is disclosed. The method comprises transmitting a downlink signal to an end user and at least one relay; receiving a negative response signal from the end user; receiving a positive response signal and channel status information about a channel between the at least one relay and the end user, wherein the at least one relay overhears the negative response signal; and scheduling a specific relay having the best channel status of the at least one relay to re-transmitting the downlink signal to the end user. | 04-30-2015 |
Patent application number | Description | Published |
20130068543 | WIDTH VARIABLE STRUCTURE OF MOVING AND TRANSPORT MEANS USING MECANUM WHEELS - A width variable structure of a moving and transport means using mecanum wheels is provided, which includes a plurality of mecanum wheels, a plurality of links connecting the mecanum wheels, and motors mounted on the mecanum wheels to transfer driving forces to the links, respectively. Since the width of the moving and transport means in the horizontal and vertical directions can be adjusted using the driving forces of the mecanum wheels, components such as actuators are omitted from the present invention in the overall assembly. | 03-21-2013 |
20140065859 | BATTERY MANAGEMENT SYSTEM CONNECTOR FOR VEHICLE - Disclosed is a safety connector which can prevent “latch-up” of a battery management system (BMS) for managing a battery in a hybrid electric vehicle. The BMS connector requires that connectors be inserted into a connector base in a specific order. In particular, a first connector must first be inserted into a first connector insertion port to unlock a locking module disposed between the first connector insertion port and a second connector insertion port before any connector can be inserted into the second connector port. | 03-06-2014 |
20140091906 | VEHICLE REMOTE CONTROL SYSTEM AND METHOD - A vehicle remote control system and method are capable of remotely controlling opening and closing a door and/or a trunk of a vehicle. In particular, the method of remotely controlling a vehicle utilizes a remote control key including an operation button for remotely controlling a designated control target of the vehicle, and includes steps of: determining whether communication with the vehicle is possible; and notifying whether the communication with the vehicle is possible. | 04-03-2014 |
Patent application number | Description | Published |
20110164302 | METHOD AND APPARATUS FOR MODULATING LIGHT - Embodiments relate to a method and apparatus for producing polarized light, having a modulator crystal, where the modulator crystal incorporates a birefringent electro-optic material. The modulator crystal has an optic axis, a first polarization axis, and a second polarization axis, where the first polarization axis and second polarization axis are each perpendicular to the optic axis and perpendicular to each other. The apparatus can also include an electrode pair, where application of an electric field modulates light passing through the modulator crystal that is polarized along the first polarization axis. Embodiments pertain to a method and apparatus for modulating light. The apparatus incorporates a modulator crystal having a electro-optic material. The device also has at least two electrode pairs, where each electrode pair that modulates light passing through the modulator crystal that has a direction of travel that has a component parallel to the optic axis. | 07-07-2011 |
20120314271 | METHOD AND APPARATUS FOR MODULATING LIGHT - Embodiments relate to a method and apparatus for producing polarized light, having a modulator crystal, where the modulator crystal incorporates a birefringent electro-optic material. The modulator crystal has an optic axis, a first polarization axis, and a second polarization axis, where the first polarization axis and second polarization axis are each perpendicular to the optic axis and perpendicular to each other. The apparatus can also include an electrode pair, where application of an electric field modulates light passing through the modulator crystal that is polarized along the first polarization axis. Embodiments pertain to a method and apparatus for modulating light. The apparatus incorporates a modulator crystal having an electro-optic material. The device also has at least two electrode pairs, where each electrode pair modulates light passing through the modulator crystal that has a direction of travel that has a component parallel to the optic axis. | 12-13-2012 |
Patent application number | Description | Published |
20130120750 | OPTICAL PHASE DEVICE, METHOD AND SYSTEM - The invention provides an optical phase device with its application method and system. The optical phase device consists of a transparent dielectric substrate, a multilayer stack of dielectrics and a buffer layer. The refractive index of the transparent dielectric substrate, the multilayer stack of dielectrics and the buffer layer are all larger than that of the external medium. For the wavelength of the incident beam, the optical phase device has a phase variation in the angular range [α, β] and the critical angle for total reflection on the interface between the buffer layer and the external medium adjacent to the buffer layer is γ, γ>β. Our invention of the optical device has both low loss and large phase variation, which leads to a large Goos-Hanchen shift. As a dispersion compensation component, it can produce bigger and tunable dispersion, and different dispersion compensations can be got by adjusting the operating angle or parameters in the structure. | 05-16-2013 |
20150204723 | OPTICAL PHASE DEVICE, METHOD AND SYSTEM - The invention provides an optical phase device with its application method and system. The optical phase device consists of a transparent dielectric substrate, a multilayer stack of dielectrics and a buffer layer. The refractive index of the transparent dielectric substrate, the multilayer stack of dielectrics and the buffer layer are all larger than that of the external medium. For the wavelength of the incident beam, the optical phase device has a phase variation in the angular range [α, β] and the critical angle for total reflection on the interface between the buffer layer and the external medium adjacent to the buffer layer is θ, θ<β. Our invention of the optical device has both low loss and large phase variation, which leads to a large Goos-Hanchen shift. As a dispersion compensation component, it can produce bigger and tunable dispersion, and different dispersion compensations can be got by adjusting the operating angle or parameters in the structure. | 07-23-2015 |
Patent application number | Description | Published |
20130196174 | HIGH TEMPERATURE RESISTANT SILVER COATED SUBSTRATES - A thin film of tin is plated directly on nickel coating a metal substrate followed by plating silver directly on the thin film of tin. The silver has good adhesion to the substrate even at high temperatures. | 08-01-2013 |
20130224515 | METHOD OF PREVENTING SILVER TARNISHING - A thin indium metal layer is electroplated onto silver to prevent silver tarnishing. The indium and silver composite has high electrical conductivity. | 08-29-2013 |
20130228465 | COMPOSITES OF CARBON BLACK AND METAL - Nano-sized particles of carbon black and various metal ions are mixed to form substantially homogenous solutions or dispersions. The nano-sized particles of carbon black and metal ions are electroplated on various types of substrates as composites of one or more metals and substantially uniformly dispersed nano-sized particles of carbon black within the metals. | 09-05-2013 |
20130236742 | ADHESION PROMOTION OF CYANIDE-FREE WHITE BRONZE - White bronze is electroplated from a cyanide-free tin/copper bath onto a void inhibiting layer coating a copper underlayer. The void inhibiting metal layer includes one or more void inhibiting metals. | 09-12-2013 |
20130284605 | HIGH SPEED METHOD FOR PLATING PALLADIUM AND PALLADIUM ALLOYS - A high speed method of depositing palladium and palladium alloys is disclosed. The high speed method uses an aqueous, ammonia-based bath which has reduced free ammonia in the bath. The high speed method may be used to deposit palladium and palladium alloy coatings on various substrates such as electrical devices and jewelry. | 10-31-2013 |
20140306147 | CHROME-FREE METHODS OF ETCHING ORGANIC POLYMERS WITH MIXED ACID SOLUTIONS - A chrome-free acidic aqueous solution of sulfuric acid and one or more organic acids and manganese (II) and (III) ions is applied to an organic polymer surface to etch the surface. The etched surface is then plated with metal. | 10-16-2014 |
20140353162 | ELECTROPLATING BATHS OF SILVER AND TIN ALLOYS - Silver and tin alloy electroplating baths include complexing agents which enable the electroplating of either silver rich or tin rich alloys. The silver and tin alloy electroplating baths are substantially free of lead. They may be used to electroplate silver and tin alloys in the manufacture of electronic components such as electrical connectors, finishing layers for metallic substrates, decorative applications and solder bumps. | 12-04-2014 |
20150240375 | CYANIDE-FREE ACIDIC MATTE SILVER ELECTROPLATING COMPOSITIONS AND METHODS - Cyanide-free acidic silver electroplating compositions include one or more acids or salts of tellurium and may be used to electroplate matte silver deposits on metals, such as nickel, copper or copper alloys. Matte silver metal may be electroplated at conventional plating rates or at high plating rates, such as in reel-to-reel and jet plating. The cyanide-free acidic silver electroplating compositions may be used to electroplate matte silver in the manufacture of electronic components such as electrical connectors, finishing layers for metallic substrates, optical devices and decorative applications. | 08-27-2015 |
20160102403 | METALLIZATION INHIBITORS FOR PLASTISOL COATED PLATING TOOLS - The plastisol coated plating tools are used to secure polymer containing substrates in electroless plating baths during electroless plating of the polymers. To prevent metallization of the plastisol coated plating tools during electroless metallization, compositions of sulfur compounds are applied to the plastisol. After metallization the plastisol coated plating tools may be re-used without the need to strip the unwanted metal from the tools. | 04-14-2016 |
Patent application number | Description | Published |
20140086097 | NODE SYSTEM ID CHANGE IN LINK STATE PROTOCOL NETWORK - According to an example, a change of a system ID for a node in a link state protocol network is notified to other nodes in the network. A message may be sent to notify the other nodes of the system ID change. | 03-27-2014 |
20140198808 | LEARNING A MAC ADDRESS - A method and edge device for learning a Medium Access Control (MAC) address, applied in an edge device in a layer-2 virtual interconnection network of data centers. According to an example, based on an Address Resolution Protocol (ARP) request message from a first node to a second node, a session cache item is created in a control plane of the edge device. The session cache item includes: IP address of the second node, IP address of the first node, and a first relationship between a MAC address of the first node and an output port corresponding to the MAC address of the first node. Based on an ARP response message from the second node to the first node, the session cache item having the IP address of the first node and the IP address of the second node is updated. The updated session cache item further includes: a second relationship between a MAC address of the second node and an output port corresponding to the MAC address of the second node. The ARP response message is then forwarded via the output port corresponding to the MAC address of the first node in the first relationship in the session cache item. The first relationship and the second relationship are then provided to a data plane of the edge device to facilitate data packet forwarding between the first node and the second node. | 07-17-2014 |
20140204944 | METHOD FOR AVOIDING A LOOP IN A NETWORK - According to an example, a method for avoiding a loop in a network, which is performed by each ED in each VPN site, comprises: interacting with other EDs in a same VPN site to elect a DED; assigning an authorized forwarding instance to each ED in the same VPN site when the ED is elected as the DED; obtaining the authorized forwarding instance from the DED when the ED is not elected as the DED; allowing traffic of the authorized forwarding instance transmitted from or to a public network, and blocking traffic of unauthorized forwarding instance transmitted from or to the public network. | 07-24-2014 |
20140215023 | CONSTRUCTING A NETWORK ENABLING LAYER-2 INTERCONNECTION OF DATA CENTERS - A method for constructing a network enabling layer-2 interconnection of data centers includes: a current data center registers at a neighbor server when the current data center gets online, obtains information of all registered data centers, generates a virtual bridge port for each registered data center; after the current data center comes online, the current data center obtains information of all newly registered data centers according to a pre-set rule, generates a virtual bridge port for each newly registered data center; establishes a tunnel to each registered data center by using the virtual bridge port corresponding to the registered data center, and transmit data via the tunnel. | 07-31-2014 |
20140369352 | SPB Based Multicast Forwarding Method and SPBM Bridge - Examples of a SPB based multicast forwarding method are disclosed. Bridges in a SPBM network perform a multicast monitoring process, learn about multicast router and members of the IP multicast group, and notify other bridges in the SPBM network of the information through a SPB-ISIS LSP. A SPBM bridge in the SPBM network receives and parses the SPB-ISIS LSP, and configures the ingress and egress of the bridge, so as to guide the forwarding of IP multicast packets. | 12-18-2014 |
20150016462 | TRAFFIC FORWARDING IN A LAYER 2 EDGE NETWORK - Methods and network devices are provided for forwarding a message in a layer 2 edge network that includes an access server device connected to sender and gateway devices. Forwarding information including destination IP address, destination MAC address, destination VLAN ID and destination device ID is established. A message is received by the access server device from the sender device. The message includes first destination MAC address, first destination IP address, first destination VLAN ID, and first destination device ID. When the first destination MAC address of a received message is a MAC address of the gateway device, the received message is forwarded according to the first destination MAC address, first destination VLAN ID and first destination device ID. Otherwise the message is modified and forwarded according to second destination MAC address, second destination VLAN ID, and second destination device ID determined to be associated with the first destination IP address. | 01-15-2015 |
20150030031 | FORWARDING PACKETS IN AN EDGE DEVICE - An edge device searches a MAC table to obtain information of a public network egress interface for a packet which is to be sent from a local site to a remote site to access a service, replaces a VLAN ID in the packet with a VLAN ID used for transmission in a public network, and sends the packet in which the VLAN ID has been replaced to a remote site according to the information of the public network egress interface. | 01-29-2015 |
20150271070 | METHOD FOR AVOIDING A LOOP IN A NETWORK - According to an example, a method for avoiding a loop in a network, which is performed by each ED in each VPN site, comprises: interacting with other EDs in a same VPN site to elect a DED; assigning an authorized forwarding instance to each ED in the same VPN site when the ED is elected as the DED; obtaining the authorized forwarding instance from the DED when the ED is not elected as the DED; allowing traffic of the authorized forwarding instance transmitted from or to a public network, and blocking traffic of unauthorized forwarding instance transmitted from or to the public network. | 09-24-2015 |
20160044145 | LEARNING A MAC ADDRESS - A method and an edge device for learning a Medium Access Control (MAC) address are provided. According to an example, based on a request message from a first node to a second node, a session cache item is created in the edge device. The session cache item includes: IP addresses of the first and second nodes, and a first relationship between a MAC address of the first node and an output port corresponding to the first node. Based on a response message from the second node to the first node, the session cache item is updated to include a second relationship between a MAC address of the second node and an output port corresponding to the second node. The first and second relationships are then provided to a data plane of the edge device to facilitate data packet forwarding between the first node and the second node. | 02-11-2016 |
20160094367 | MIGRATING MULTICAST FLOW - A first BEB device may receive a first LSP packet transmitted from each second BEB device. According to the received first LSP packet, the first BEB device may calculate multicast tunnel information of the service instance from the first BEB device to the second BEB device in the second B-VLAN. The first BEB device may update multicast tunnel information of the service instance in a data plane according to the multicast tunnel information of the service instance from the first BEB device to the second BEB device. | 03-31-2016 |