Patent application number | Description | Published |
20090243168 | APPARATUS FOR PLASMA SYNTHESIS OF RHENIUM NANO AND MICRO POWDERS - The process for the synthesis of rhenium powders comprises the injection of ammonium perrhenate powder through a carrier gas in a plasma torch of a plasma reactor operated using a mixture including hydrogen as the plasma gas, yielding metallic rhenium under the following chemical reaction: | 10-01-2009 |
20090260481 | METHOD FOR PRODUCING TITANIUM METAL - A process and apparatus for producing titanium metal is described herein. The process comprises generating an RF thermal plasma discharge using a plasma torch provided with an RF coil; reducing titanium tetrachloride to a titanium metal by supplying titanium tetrachloride and magnesium into the RF thermal plasma discharge; and collecting or depositing the titanium metal at a temperature not lower than the boiling point of magnesium chloride and not higher than the boiling point of the titanium metal. | 10-22-2009 |
20110277590 | Method For Producing Metal Nanopowders By Decomposition Of Metal Carbonyl Using An Induction Plasma Torch - A process for synthesizing metal nanopowders by introducing metal carbonyl into an induction plasma torch. By taking advantage of the much lower dissolution temperature of carbonyl as opposed to the high melting temperature of conventional metal powder feeds less torch power is required. Moreover, in contrast to current powder production techniques utilizing electrode based plasma torches, the induction plasma torch does not introduce contaminants into the nanopowder. | 11-17-2011 |
20120070578 | METHOD FOR PRODUCING TITANIUM METAL - Disclosed is a method for producing titanium metal, which comprises: (a) a step in which a mixed gas is formed by supplying titanium tetrachloride and magnesium into a mixing space that is held at an absolute pressure of 50-500 kPa and at a temperature not less than 1700° C.; (b) a step in which the mixed gas is introduced into a deposition space; (c) a step in which titanium metal is deposited and grown on a substrate for deposition; and (d) a step in which the mixed gas after the step (c) is discharged. In this connection, the deposition space has an absolute pressure of 50-500 kPa, the substrate for deposition is arranged in the deposition space, and at least a part of the substrate for deposition is held within the temperature range of 715-1500° C. | 03-22-2012 |
20120201266 | PLASMA REACTOR FOR THE SYNTHESIS OF NANOPOWDERS AND MATERIALS PROCESSING - A process and apparatus for producing nanopowders and materials processing is described herein. A plasma reactor comprising a torch body comprising a plasma torch for generating a plasma; a reactor section in fluid communication with the torch body for receiving a plasma discharge and further being in fluid communication with a quench section; and at least one heating element in thermal communication with the reactor section and wherein the at least one heating element provides for selectively modulating the temperature within the reactor section is described herein. | 08-09-2012 |
20130095243 | METAL TITANIUM PRODUCTION DEVICE AND METAL TITANIUM PRODUCTION METHOD - A metal titanium production device comprising: (a) a magnesium evaporation unit in which solid magnesium is evaporated and a first flow path which is communicated with the evaporation unit and through which gaseous magnesium is supplied; (b) a second flow path through which gaseous titanium tetrachloride is supplied; (c) a gas mixing unit which is communicated with the first flow path and the second flow path and in which the gaseous magnesium is mixed with titanium tetrachloride, the absolute pressure is adjusted to 50 to 500 kPa and the temperature is adjusted to 1600° C. or higher; (d) a metal titanium precipitation unit which is communicated with the gas mixing unit and in which a precipitation substrate having at least partially a temperature of 715 to 1500° C. is placed and the absolute pressure is adjusted to 50 to 500 kPa; and (e) a mixed gas discharge unit which is communicated with the metal titanium precipitation unit. | 04-18-2013 |
20130255443 | TITANIUM METAL PRODUCTION APPARATUS AND PRODUCTION METHOD FOR TITANIUM METAL - A titanium metal production apparatus is provided with (a) a first flow channel that supplies magnesium in a state of gas, (b) a second flow channel that supplies titanium tetrachloride in a state of gas, (c) a gas mixing section in which the magnesium and titanium tetrachloride in a state of gas are mixed and the temperature is controlled to be 1600° C. or more, (d) a titanium metal deposition section in which particles for deposition are arranged so as to be movable, the temperature is in the range of 715 to 1500° C., and the absolute pressure is 50 kPa to 500 kPa, and (e) a mixed gas discharge section which is in communication with the titanium metal deposition section. | 10-03-2013 |
20130255445 | DEVICE FOR PRODUCING TITANIUM METAL, AND METHOD FOR PRODUCING TITANIUM METAL - A device for producing titanium metal comprises (a) a first heating unit that heats and gasifies magnesium and a first channel that feeds the gaseous magnesium, (b) a second heating unit that heats and gasifies titanium tetrachloride so as to have a temperature of at least 1600° C. and a second channel that feeds the gaseous titanium tetrachloride, (c) a venturi section at which the second channel communicates with an entrance channel, the first channel merges into a throat and as a result the magnesium and the titanium tetrachloride combine in the throat and a mixed gas is formed in the exit channel, and in which the temperature of the throat and the exit channel is regulated to be at least 1600° C., (d) a titanium metal deposition unit that communicates with the exit channel and has a substrate for deposition with a temperature in the range of 715-1500° C., and (e) a mixed gas discharge channel that communicates with the titanium metal deposition unit. | 10-03-2013 |
Patent application number | Description | Published |
20090092195 | METHOD AND SYSTEM FOR ADAPTIVE PEAK TO AVERAGE POWER RATIO REDUCTION IN ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING COMMUNICATION NETWORKS - A method and system adaptively reduce a peak-to-average power ratio in a communication system. Energy is clipped from at least one peak of a modulated signal. The modulated signal includes a plurality of sub-carriers. At least one data sub-carrier is adaptively selected for peak-to-average power ratio reduction use based on known scheduling information. The clipped energy is distributed among at least one data sub-carrier. | 04-09-2009 |
20110223929 | SCHEDULING TRANSMISSION OF DATA AT A BASE STATION BASED ON AN INTERFERENCE INDICATOR MESSAGE FROM ANOTHER BASE STATION - A system includes a first base station of a first vendor configuration and a second base station of a second vendor configuration. A link is between the first and second base stations. The first base station is configured to receive at least one interference indicator message from the second base station, and schedule transmission of data based on the at least one interference indicator message. Scheduling the transmission of data includes determining whether to transmit the data using a current resource or to delay transmission of the data. | 09-15-2011 |
20120099503 | Methods and Systems for User Equipment Positioning Using Intercell Interference Coordination - Methods, devices and systems for determining positions of user equipments (UEs) based on uplink position signals are described. Cooperating base stations measure received positioning signals and report measurements to serving base stations. Cooperating base stations can also adapt resource allocation to mitigate interference on the uplink to positioning signals. Cooperation between base stations can be coordinated via inter-base station links, e.g., X2 interfaces in LTE systems. | 04-26-2012 |
20130329817 | METHOD AND SYSTEM FOR ADAPTIVE PEAK TO AVERAGE POWER RATIO REDUCTION IN ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING COMMUNICATION NETWORKS - A method and system adaptively reduce a peak-to-average power ratio in a communication system. Energy is clipped from at least one peak of a modulated signal. The modulated signal includes a plurality of sub-carriers. At least one data sub-carrier is adaptively selected for peak-to-average power ratio reduction use based on known scheduling information. The clipped energy is distributed among at least one data sub-carrier. | 12-12-2013 |
20140295882 | Methods and Systems for User Equipment Positioning Using Intercell Interference Coordination - Methods, devices and systems for determining positions of user equipments (UEs) based on uplink position signals are described. Cooperating base stations measure received positioning signals and report measurements to serving base stations. Cooperating base stations can also adapt resource allocation to mitigate interference on the uplink to positioning signals. Cooperation between base stations can be coordinated via inter-base station links, e.g., X2 interfaces in LTE systems. | 10-02-2014 |
Patent application number | Description | Published |
20110200081 | System And Method For Channel Status Information Feedback In A Wireless Communications System That Utilizes Multiple-Input Multiple-Output (MIMO) Transmission - A method for user equipment operation in a wireless communication system, the wireless communication system having an base station, the method comprising measuring a channel between the UE and the base station, determining a quantized estimate using a codebook to approximate the measured channel, computing an error measure for the quantized estimate and transmitting the error measure and the quantized estimate to the base station for use by the base station in reconstructing an actual channel vector. | 08-18-2011 |
20120281567 | Methods and Systems of Wireless Communication with Remote Radio Heads - A method of operating an eNB in a wireless communication network is provided. The method comprises transmitting, by the eNB to a UE, configuration information of first and second sets of CSI-RS resources, wherein the first set of CSI-RS resources is used for long term measurement and the second set of CSI-RS resources is used for short term CSI feedback. | 11-08-2012 |
20130022090 | Dynamic Cyclic Prefix Mode for Uplink Radio Resource Management - Systems and methods can be implemented on a base station and one or more mobile devices to use dynamic cyclic prefix mode for uplink radio resource management. A base station may receive an uplink signal from each of a plurality of mobile devices. The base station can then estimate, based on the received uplink signal, a channel characteristic of the uplink channel for each of the plurality of mobile devices, and determine, based on comparing the estimated channel characteristic to a characteristic threshold, a cyclic prefix mode for each of the plurality of mobile devices. | 01-24-2013 |
20130028180 | Method and system for access and uplink power control for a wireless system having multiple transmit points - A method and system for access and uplink power control for a wireless system having multiple transmit points. In one aspect a method operating in a wireless network having a plurality of transmission points (TP) including a macro evolved Node B (eNB) and at least one low power node (LPN) having transmit power lower than that of the macro eNB, the method detecting, by the user equipment, a transmission point having a lowest path loss to the user equipment; and transmitting, by the user equipment, a physical random access channel (PRACH) preamble on a PRACH directed to the transmission points having the lowest path losses. | 01-31-2013 |
20130039195 | METHOD AND SYSTEM FOR RANDOM ACCESS INTERFERENCE MITIGATION IN HETEROGENEOUS CELLULAR NETWORKS - Methods and systems at a user equipment, low power access node and first access node operating in a wireless network having a plurality of access nodes comprising a first access node and at least one low power access node having lower transmit power than the first access node, wherein the user equipment receives stronger downlink signals from the first access node than from the at least one low power access node, the method at the user equipment determining, by the user equipment, whether a low power access node is better for uplink data transmission than the first access node; and if the low power access node is better for uplink data transmission, sending from the user equipment to the low power access node, a random access preamble directed to the first access node. | 02-14-2013 |
20130039203 | REFERENCE SIGNAL FOR A COORDINATED MULTI-POINT NETWORK IMPLEMENTATION - A system and method of receiving a channel state information reference signal (CSI-RS) is presented. At a user equipment, a first CSI-RS transmitted from a base station is received. In some implementations, the first CSI-RS is transmitted at a first periodicity using a first set of antenna ports. At the user equipment, a second CSI-RS transmitted from the base station is received. In some implementations, the second CSI-RS is transmitted at a second periodicity using a second set of antenna ports. At least one of the first CSI-RS and the second CSI-RS is used to perform channel measurement. | 02-14-2013 |
20130044685 | Reference Signal for a Coordinated Multi-Point Network Implementation - A system and method for broadcasting a channel state information reference signal (CSI-RS) is disclosed. A CSI-RS that is orthogonal to CSI-RSs transmitted by each of a first network cell and each of a set of neighbor cells that interfere with the first network cell is identified. In one implementation, the first network cell has a coverage containing a coverage of a second network cell. The method includes transmitting, from the second network cell, the CSI-RS that is orthogonal to CSI-RSs transmitted by each of the first network cell and each of a set of interfering neighbor cells. | 02-21-2013 |
20130201966 | METHOD AND SYSTEM FOR UPLINK INTERFERENCE MANAGEMENT IN HETEROGENEOUS CELLULAR NETWORKS - A method, at a first network access device of a heterogeneous network, the method sending a report to a second network access device indicating a user equipment (UE) in the vicinity of the second network access device to be handled in the uplink by the second network access device; receiving an uplink timing control report from the second network access device; transmitting uplink timing control adjustments to the UE; allocating uplink resources for the second network access device to forward uplink information; allocating physical downlink control channel (‘PDCCH’) resources belonging to the first network access device for transmitting uplink scheduling information provided by the second network access device to the UE; receiving uplink information including uplink scheduling information from the second network access device at the first network access device; and sending the uplink scheduling information to the UE. | 08-08-2013 |
20140064213 | FEEDBACK CAPABILITY ENHANCEMENT USING REFERENCE SYMBOL RADIO RESOURCE SELECTION - Feedback information is conveyed between a wireless device and a base station in a cellular communications network via selection and detection of radio resources utilized for an uplink reference signal transmitted from a wireless device to a base station. In this manner, additional feedback information may be sent from the wireless device to the base station without sacrificing any bandwidth available for data transfer between the wireless device and the base station. The radio resources utilized for the uplink reference signal may include cyclic shift and/or time and frequency resources. The uplink reference signal may be an uplink sounding reference signal for a long term evolution network (LTE), or its evolution, such as LTE-Advanced. | 03-06-2014 |
20150131751 | JOINT TRANSMISSION USING INTERFERENCE ALIGNMENT - Systems and methods can implemented to joint transmission for interference management in wireless communications. A first transmitter having M antennas can acquire a channel state information (CSI) matrix for each of a plurality of multiple-input-multiple output (MIMO) channels between a first transmitter and a plurality of receivers. The first transmitter can determine transmission ranks, wherein each of the transmission ranks corresponds to a number of one or more data streams to be transmitted from both the first transmitter and a second transmitter to a receiver of the plurality of receivers. A maximum transmission rank may be identified from the determined transmission ranks. Transmit data can be generated that include the one or more data streams to each of the corresponding plurality of receivers. A precoding matrix can be generated for the generated transmit data based, at least in part, on the acquired CSI matrix. The first transmitter can then encode the transmit data using the corresponding generated precoding matrix. | 05-14-2015 |
20150263818 | PHYSICAL DOWNLINK CONTROL CHANNEL (PDCCH) INTER-CELL-INTERFERENCE COORDINATION - A method and system for allocating PDCCH resources in a wireless communication system are disclosed. According to one aspect, a method includes detecting at a first base station a condition of inter-cell interference, ICI, between a first cell and a neighboring cell, indicating that the first cell is in a coordination need state. The method includes generating at the first base station serving the first cell a request to lower a first PDCCH load of the neighboring cell to reduce the ICI between the first cell and the neighboring cell, a PDCCH load of a cell being defined as a ratio of used resource elements to total available resource elements within the cell. | 09-17-2015 |
Patent application number | Description | Published |
20110199986 | REFERENCE SIGNAL FOR A COORDINATED MULTI-POINT NETWORK IMPLEMENTATION - A method of decoding a channel state information reference signal (CSI-RS) is presented. An indication of a resource element (RE) configuration allocated for transmission of CSI-RSs by a first cell is received from a second cell. The method includes at least one of using the indication of the RE configuration to decode a first CSI-RS received from the first cell, and using the indication of the RE configuration to mute one or more REs within a data channel transmission received from a third cell. The first cell, second cell and third cell may be associated within a CSI-RS group. In some cases, at least two of the first cell, the second cell, and the third cell are mutually interfering cells. The indication of the RE configuration may include a plurality of logical indices having incremental values, the plurality of logical indices identifying REs used to transmit CSI-RS. | 08-18-2011 |
20120281554 | Methods and Systems of Wireless Communication with Remote Radio Heads - A method for transmitting control information in a telecommunications cell is provided. The method includes a transmission point in the cell transmitting a unicast PDCCH intended only for a specific UE in the cell. The unicast PDCCH contains at least one resource element in each resource element group. The at least one resource element contains a UE-specific DMRS that can be used for decoding the unicast PDCCH without the cell-specific reference signal. | 11-08-2012 |
20120281555 | Systems and Methods of Wireless Communication with Remote Radio Heads - A method for communication in a telecommunications cell is provided. The method includes a macro-eNB transmitting a UE-specific SRS to a specific UE in the cell over at least one TP. The method further includes the UE receiving the UE-specific SRS, measuring the UE-specific SRS, and feeding back to the macro-eNB information about a downlink channel from the TP to the UE, the information being based on the measurement. | 11-08-2012 |
20150117321 | OUTER-LOOP ADJUSTMENT FOR WIRELESS COMMUNICATION LINK ADAPTATION - A method and base station for adjusting outer-loop adjustment values used for link adaptation in a wireless communication network is provided. A modulation of a user equipment is determined and a success or failure of a Transport Block (TB) based on a TB feedback message is determined. Based on the TB feedback, one of an acknowledgement counter and a non-acknowledgement counter is incremented corresponding to the determined modulation. An upward step size for the determined modulation is updated based on the respective acknowledgement counter and the non-acknowledgement counter to affect link adaption. | 04-30-2015 |
Patent application number | Description | Published |
20110140013 | BLOWOUT PREVENTER WITH ROPE PACKING SEAL - A blowout preventer (BOP) is provided in which each ram includes a primary rope packing seal formed from a first length of rope packing extending horizontally across the front face, rearwardly and then either or both of upwardly and downwardly over the top and/or bottom portion of the ram. The primary rope packing seal is held in, so as to protrude radially outwardly from, a continuous first groove formed in the ram. The continuous first groove is adapted to accommodate joined abutting ends or overlapping ends of the first length of rope packing. A secondary rope packing seal and a circumferential rope packing seal may be provided on the ram. | 06-16-2011 |
20120067597 | WELLHEAD SEAL DEVICE TO SEAL CASING - A wellhead seal device forms metal seals in an annular space between inner and outer tubular members such as a rough casing held within aligned casing and tubing heads. An annular metal sealing sleeve has a lower portion seated in the annular space, and an upper portion which forms an inner sealing annulus adjacent the outer wall of the inner tubular member. A metal seal ring and a wedge ring are located in the inner sealing annulus. A retaining ring is retained by the upper portion above the wedge ring. Threaded seal energizing members extend through the retaining ring to push downwardly on the wedge ring and compress the metal seal ring radially inwardly to form a metal seal to the inner tubular member and thus seal the inner sealing annulus. The lower portion of the annular metal sealing sleeve may seal to the casing head and to the casing. | 03-22-2012 |
20130126763 | BLOWOUT PREVENTER AND RAMS - A ram type blowout preventer having a seal on each ram, extending across the front face, rearwardly and then over the top portion or the bottom portion of the ram. Each ram forms a leading edge portion above or below the front face seal, so as opposing rams move into the extended sealing position, the leading edge portions of the rams press against each other, imparting a generally vertical movement to bring the seals on the front faces into sealing engagement with each other and to energize the seals extending over the top or bottom portions against the ram bores. The front face of each ram may include a portion which is inclined toward the central bore. Rope packing seals may be provided on the rams having a vertical offset at the front faces of the rams such that rope packing seals on opposing front faces seal against each other. | 05-23-2013 |
20140299797 | Blowout Preventer and Rams - A ram type blowout preventer having a seal on each ram, extending across the front face, rearwardly and then over the top portion or the bottom portion of the ram. Each ram forms a leading edge portion above or below the front face seal, so as opposing rams move into the extended sealing position, the leading edge portions of the rams press against each other, imparting a generally vertical movement to bring the seals on the front faces into sealing engagement with each other and to energize the seals extending over the top or bottom portions against the ram bores. The front face of each ram may include a portion which is inclined toward the central bore. Rope packing seals may be provided on the rams having a vertical offset at the front faces of the rams such that rope packing seals on opposing front faces seal against each other. | 10-09-2014 |
Patent application number | Description | Published |
20100316129 | SCALED MOTION SEARCH SECTION WITH DOWNSCALING FILTER AND METHOD FOR USE THEREWITH - A scaled motion search section can be used in a video processing device that processes a video input signal that includes a plurality of pictures. The scaled motion search section includes a downscaling module that downscales the plurality of pictures to generate a plurality of downscaled pictures, wherein the downscaling module includes a horizontal downscaling filter and a vertical downscaling filter, and wherein the vertical downscaling filter generates downscaled pixels for a macroblock pair using only pixels from the macroblock pair. A reduced-scale motion search module generates a plurality of motion vector candidates at a downscaled resolution, based on the plurality of downscaled pictures. A full-scale motion search module generates a plurality of motion search motion vectors at a full resolution, based on a plurality of reference pictures and further based on the plurality of motion vector candidates. | 12-16-2010 |
20120224624 | VIDEO DECODER WITH GENERAL VIDEO DECODING DEVICE AND METHODS FOR USE THEREWITH - A video decoder includes an entropy decoding device that includes a first processor that generates entropy decoded (EDC) data from an encoded video signal. A general video decoding device includes a second processor that generates a decoded video signal from the EDC data, wherein the general video decoding device includes: a neighbor management module, a decode motion compensation module, an inverse intra-prediction module, an inverse transform/quantization module, and a deblocking filter module. | 09-06-2012 |
20120224625 | GENERAL VIDEO DECODING DEVICE FOR DECODING MULTILAYER VIDEO AND METHODS FOR USE THEREWITH - A video decoder includes an entropy decoding device that includes a first processor that generates entropy decoded (EDC) data from an encoded video signal that includes a plurality of video layers. A general video decoding device includes a second processor that generates a decoded video signal from the EDC data, wherein the general video decoding device includes a neighbor management module, a decode motion compensation module, an inverse intra-prediction module, an inverse transform/quantization module, a deblocking filter module, and a resampling module. | 09-06-2012 |