Gao, CA
Chris Gao, Mississauga CA
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20140016794 | ECHO CANCELLATION SYSTEM AND METHOD WITH MULTIPLE MICROPHONES AND MULTIPLE SPEAKERS - An audio processing system comprising two or more microphones and an echo cancellation system configured to apply a fast converging adaptive filtering algorithm to low frequency bands of a first microphone signal to generate first synthesized echo signal components and an adaptive filtering algorithm to high frequency bands of the first microphone signal to generate second synthesized echo signal components and to apply the first synthesized echo signal components and the second synthesized echo signal components to the first microphone signal to cancel an echo signal of the first microphone signal. An echo estimate and suppression system is configured to receive the first synthesized echo signal components and the second synthesized echo signal components and to apply them to estimate powers of echo signals in one or more additional microphones. | 01-16-2014 |
Chris X. Gao, Mississauga CA
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20140169575 | ESTIMATION OF REVERBERATION DECAY RELATED APPLICATIONS - A method for continuously estimating reverberation decay comprising receiving a sequence of audio data samples. Determining whether a plateau is present in the sequence of audio data samples. Generating one or more reverberation parameters from the sequence of audio data samples if it is determined that the plateau is present. | 06-19-2014 |
Chuanjun Gao, Edmonton CA
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20110288063 | NOVEL FUSED BRIDGED BICYCLIC HETEROARYL SUBSTITUTED 6-ALKYLIDENE PENEMS AS POTENT BETA-LACTAMASE INHIBITORS - A compound of formula (I) or formula (Ia) | 11-24-2011 |
20150045340 | AMIDINE SUBSTITUTED BETA-LACTAM COMPOUNDS, THEIR PREPARATION AND USE AS ANTIBACTERIAL AGENTS - The present invention relates to novel β-lactam compounds, their preparation and use. In particular, this invention relates to novel β-lactam compounds which are amidine substituted monobactam derivatives useful as antimicrobial agents and their preparation. | 02-12-2015 |
Chunhua Gao, Calgary CA
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20140293752 | MULTI-COIL MULTI-TERMINAL CLOSED-LOOP GEOPHONE ACCELEROMETER - An apparatus and a method for detecting vibration are disclosed. The apparatus comprises a housing, a magnetic structure forming a magnetic field in the housing, and a coil structure in the magnetic field, concentric of the magnetic structure. In response to external vibration, the coil structure and the magnetic structure are movable with respect to each other. The coil structure comprises at least two sets of coils overlapped in space, of which a first coil set is for detecting vibration and a second coil set is for applying control in accordance with a control signal. | 10-02-2014 |
Dapeng Gao, Burnaby CA
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20110081889 | METHOD OF INTERACTING WITH ELECTRONIC DEVICES IN A LOCKED STATE AND HANDHELD ELECTRONIC DEVICE CONFIGURED TO PERMIT INTERACTION WHEN IN A LOCKED STATE - A method of interacting with electronic devices in a locked state, and a handheld electronic device configured to permit interaction when in a locked state are provided. In accordance with one embodiment, there is provided a handheld electronic device, comprising: a controller; a display screen connected to the controller; an input device connected to the controller; a communication subsystem connected to the controller for communication over a wireless network; a notification element connected to the controller; wherein the controller is configured for: initiating a locked state on the device in response to detection of a trigger condition; monitoring for one or more predetermined inputs via the input device when the device is in the locked state; and generating a notification via the notification element in response to detection of a predetermined input when the device is in the locked state. | 04-07-2011 |
20110189985 | System and Method for Alternating Between In-Band and Out-of-Band Communication Path - Systems, methods and devices are disclosed useful for enabling wireless signals representing control messages to be sent between a wireless handheld telephony device and a call control server during an ongoing communication session when an out-of-band path becomes unavailable, the communication session being controlled by the call control server. | 08-04-2011 |
Dapeng Gao, Waterloo CA
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20090241027 | HANDHELD ELECTRONIC DEVICE AND ASSOCIATED METHOD FOR IMPROVING TYPING EFFICIENCY ON THE DEVICE - A method of facilitating the input of text on a handheld electronic device that employs normal edit fields and one or more specialized edit fields wherein a user is able to create system level macros for automatically switching the edit field type of the current application to a predetermined specialized edit field. | 09-24-2009 |
Detian Gao, Edmonton CA
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20160122356 | METHODS FOR THE PREPARATION OF RIBOSIDES - Provided are methods of preparing compounds and pharmaceutical compositions for treating Filoviridae virus infections The compounds, compositions, and methods provided are particularly useful for the treatment of Marburg virus, Ebola virus and Cueva virus infections. | 05-05-2016 |
Fuye Gao, Halifax CA
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20100144821 | COMPOUNDS AND METHODS FOR TREATING PROTEIN FOLDING DISORDERS - The invention is directed to compounds and methods for treating protein folder disorders. In certain embodiments the invention provides compounds and methods for treating neurodegenerative diseases such as Alzheimer's disease, tauopathy, cerebral amyloid angiopathy, Lewy body disease, dementia, Huntington's disease and prion-based spongiform encelopathy. The invention further provides compounds, methods and pharmaceutical compositions for inhibiting tau protein, Aβ protein or α-synuclein protein aggregation. | 06-10-2010 |
Guojiang Gao, Calgary CA
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20140267772 | ROBOTIC TOTAL STATION WITH IMAGE-BASED TARGET RE-ACQUISITION - A robotic total station includes a camera and a pattern recognition subsystem that automatically determine an azimuth angle to which to direct a laser on the total station for target re-acquisition. The camera records images that scan a search area of interest, and the pattern recognition subsystem processes the images to locate the target in one or more of the images as a predetermined pixel pattern that is based on a distinct characteristic of the target, such as a shape of the target, a color of the target, markings present on the target, and so forth. The subsystem calculates the azimuth angle of the target based on the location of the target in the images, the pointing direction of the camera and the known characteristics of the camera. The robotic total station then rotates to the azimuth angle and directs laser pulses to re-acquire the target. | 09-18-2014 |
Hai Yan Gao, Markham CA
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20090169635 | PHARMACEUTICAL COMPOSITIONS AND USE THEREOF - Colloidal compositions, loaded with non-covalently bonded antibiotics, can be efficiently used for the treatment of severe bacterial pneumonia and other serious lung infections such as tuberculosis. Such formulations, comprised of biodegradable nanoparticles or nanocapsules with incorporated antibiotics, show a significant increase in antibacterial activity, extended and sustained drug release and a decrease in frequency of the drug administration. Antibiotics of various types, such as aminoglycosides, glycopeptides and others can be successfully incorporated into a nanoparticulate colloidal delivery system. | 07-02-2009 |
Huayi Gao, Kitchener CA
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20160086517 | METHOD AND APPARATUS FOR EYE MODEL AND TESTING THEREOF - Various embodiments are described herein for two-piece eye models for simulating an eye. The eye model generally has an eyelid member having a concave inner surface to simulate an inner surface of an eyelid; and an eyeball member having a rounded surface for simulating an eyeball and being sized to be releasably received within the concave inner surface of the eyelid member. Other embodiments may include at least one of an eye model holder, a fluidic system and an eye movement unit. | 03-24-2016 |
Jeff Gao, Toronto CA
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20110033235 | CONCRETE FINISHING TROWEL WITH SPEED CONTROL - A concrete finishing trowel includes a frame, a power source supported on the frame and having an output shaft, at least one rotor assembly supported on the frame. Each rotor assembly comprises a driven rotor shaft with a plurality of trowel blades extending outwardly therefrom so as to rest on a surface to be finished and to rotate with said driven rotor shaft to finish a respective circular area. A transmission system operably couples the power source output shaft to the driven rotor shaft of the at least one rotor assembly. The transmission system includes a variable driving pulley operable coupled directly or indirectly to the power source output shaft and including a resiliently deflectable portion that is movable to change the effective drive diameter of the variable driving pulley, and a variable driven pulley operably coupled to the variable driving pulley with a belt. The variable driven pulley in turn is operably coupled directly or indirectly to the driven rotor shaft of the at least one rotor assembly. A rotor speed control system permits an operator to adjust the center-to-center distance between the pulleys, thereby to cause the drive diameter of the variable driven pulley to change resulting in an adjustment of the speed of the driven rotor shaft. | 02-10-2011 |
Jianchen Gao, Calgary CA
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20100019963 | VEHICULAR NAVIGATION AND POSITIONING SYSTEM - A vehicular navigation and positioning method and system includes a GNSS receiver, an inertial navigation system and on-board vehicular sensors. Available data is integrated by a Kalman filter and vehicle position, velocity and attitude is updated as a result. | 01-28-2010 |
Jinglin Gao, Edmonton CA
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20080259335 | SPECTROSCOPIC pH MEASUREMENT AT HIGH-TEMPERATURE AND/OR HIGH-PRESSURE - Methods and apparatuses for high-temperature and high-pressure measurement of pH and/or alkalinity of a fluid is described. | 10-23-2008 |
20090248310 | METHODS AND APPARATUS FOR ANALYSIS OF DOWNHOLE ASPHALTENE GRADIENTS AND APPLICATIONS THEREOF - A method and system for characterizing asphaltene gradients of a reservoir of interest and analyzing properties of the reservoir of interest based upon such asphaltene gradients. The analysis employs a correlation that relates insoluble asphaltene concentration to spectrophotometry measurement data measured at depth. | 10-01-2009 |
Jingrong Gao, Richmond Hill CA
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20080256531 | Method and Apparatus for Deploying and Instantiating Multiple Instances of Applications in Automated Data Centers Using Application Deployment Template - A method, apparatus, and computer instructions are provided for deploying and instantiating multiple instances of applications in automated data centers using an application deployment template. A first mechanism is provided to deploy multiple instances of applications using an application deployment plan template. The first mechanism uses deployment parameter sets to generate corresponding deployment plans based on the deployment template. A second mechanism is provided to instantiate multiple instances of applications using deployment plan templates. A service catalog that is exposed to consumers for selection of catalog items is built on top of the second mechanism. During the cataloging and order fulfillment process, the second mechanism instantiates multiple instances of applications using the generated deployment plans and an application model to deploy multiple application instances. An existing order may also be modified or terminated responsive to a user request or service term expiration. | 10-16-2008 |
20090292577 | Method and Apparatus for Determining Data Center Resource Availability Using Multiple Time Domain Segments - A method, an apparatus, and computer instructions are provided for determining data center resource availability using multiple time domain segments. A reservation class is provided that includes a start time, duration and the number of units required. A scheduled resource class is provided with an availability and an available method. The availability method creates a set of segments for a list of reservations and iterates each segment to determine whether there are enough resources for the required units. The availability method then combines all adjacent reservations and removes reservations that are too short for the duration. The available method provides a way for user to determine if resources are available at and for a given time. A composite resource class is also provided for more than one scheduled resource with an availability and available method. | 11-26-2009 |
Jun Gao, Coquitlam CA
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20100261780 | Highly Acidic Chitosan-Nucleic Acid Polyplex Compositions - The invention provides highly acidic chitosan-nucleic acid polyplex compositions. The compositions may be used to transfect cells in vitro and in vivo, and are particularly useful for transfecting cells of mucosal epithelia. | 10-14-2010 |
20110039917 | High Concentration Chitosan-Nucleic Acid Polyplex Compositions - The invention provides highly concentrated chitosan-nucleic acid polyplex compositions and dispersions, and methods for producing the compositions and dispersions. Methods of mixing the chitosan-nucleic acid polyplexes include an inline mixing of chitosan solution and nucleic acid solution, followed by further concentrating the dispersion of chitosan-nucleic acid polyplexes, optionally with an aggregation inhibitor. Further provided are methods for altering the diameter of chitosan-nucleic acid polyplexes. | 02-17-2011 |
20140350091 | High Concentration Chitosan-Nucleic Acid Polyplex Compositions - The invention provides highly concentrated chitosan-nucleic acid polyplex compositions and dispersions, and methods for producing the compositions and dispersions. Methods of mixing the chitosan-nucleic acid polyplexes include an inline mixing of chitosan solution and nucleic acid solution, followed by further concentrating the dispersion of chitosan-nucleic acid polyplexes, optionally with an aggregation inhibitor. Further provides are methods for altering the diameter of chitosan-nucleic acid polyplexes. | 11-27-2014 |
20150051265 | Dually Derivatized Chitosan Nanoparticles and Methods of Making and Using the Same - Provided herein is chitosan dually derivatized with arginine and gluconic acid; and methods of making and using the same, e.g., for gene delivery in vivo. | 02-19-2015 |
Peiliang Gao, Victoria CA
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20160118763 | EXTERNAL CAVITY TUNABLE LASER WITH DUAL BEAM OUTPUTS - The invention relates to an external cavity tunable laser with dual beam outputs. The first laser cavity of the tunable laser comprises a first laser cavity mirror, a laser gain medium, an intracavity collimating lens, an active optical phase modulator, a tunable acousto-optic filter, a tunable Fabry-Perot tunable filter, a second reflection mirror all disposed inside a laser cavity sequentially, and a laser driver and control system. The laser cavity beam reflected by the first laser cavity mirror enters the tunable acousto-optic filter to generate a zeroth order diffracted beam as the first laser output beam. The laser cavity beam reflected by the second laser cavity mirror enters the tunable acousto-optic filter to generate a zeroth order diffracted beam as the second laser output beam. The tunable laser further comprises a wavelength locker outside the laser cavity. The second laser cavity of the tunable laser has a Fabry-Perot etalon disposed in the first laser cavity to further compress the spectrum width of the laser output beams. The invention is compact with high performance without mechanical moving parts, stable laser output, low cost for volume production and installation. | 04-28-2016 |
Shen Gao, Bolton CA
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20090023638 | SPILL RESISTANT ANTIBIOTIC FORMULATIONS - The disclosure is directed to a pharmaceutical kit with a first set, a second set and a third set of components. The first set of components can be a carbomer in an aqueous vehicle, the second set of components can be an antibiotic, and the third set of components can be a neutralizing agent. In exemplary embodiments, the first, second and third sets of components can be mixed together to form a spill resistant composition. | 01-22-2009 |
20090247575 | STABILIZING LIPID COMPOSITIONS FOR ORAL PHARMACEUTICAL AGENTS - The present invention relates to a pharmaceutical composition for oral administration comprising an exceptionally labile active agent, a stabilizing vehicle comprising liquid triglycerides and a desiccant, wherein the composition is storage stable for an extended period without substantial degradation of the active agent. | 10-01-2009 |
20100261748 | STABLE LORATADINE SPILL RESISTANT FORMULATION - The present invention provides for a storage stable pharmaceutical liquid suspension for oral administration having a pharmaceutically effective amount of an antihistamine. The storage stable suspension preferably contains loratadine. The present invention further provides a process of preparing the storage stable pharmaceutical liquid suspension as well as a method of treating a mammal with a therapeutically effective amount of loratadine in the stable pharmaceutical liquid suspension. | 10-14-2010 |
20100324007 | ORAL SUSPENSION OF PREDNISOLONE ACETATE - The present invention relates to novel oral suspension formulation comprising prednisolone acetate, a pharmaceutically acceptable vehicle and a thickening agent. The present invention further provides a method of treating patients in need of prednisolone with the novel formulation. | 12-23-2010 |
20120065182 | STABILIZING COMPOSITIONS FOR ANTIBIOTICS AND METHODS OF USE - The present invention is directed to improved liquid antibiotic formulations. In some embodiments, the present invention is directed to a composition comprising an antibiotic in a liquid comprising triglycerides, wherein the composition has less than about 5% water (w/v). | 03-15-2012 |
20120238534 | ORAL SUSPENSION OF PREDNISOLONE ACETATE - The present invention relates to novel oral suspension formulation comprising prednisolone acetate, a pharmaceutically acceptable vehicle and a thickening agent. The present invention further provides a method of treating patients in need of prednisolone with the novel formulation. | 09-20-2012 |
20130143853 | ORAL SUSPENSION OF PREDNISOLONE ACETATE - The present invention relates to novel oral suspension formulation comprising prednisolone acetate, a pharmaceutically acceptable vehicle and a thickening agent. The present invention further provides a method of treating patients in need of prednisolone with the novel formulation. | 06-06-2013 |
20130237512 | STABILIZING COMPOSITIONS FOR ANTIBIOTICS AND METHODS OF USE - The present invention is directed to improved liquid antibiotic formulations. In some embodiments, the present invention is directed to a composition comprising an antibiotic in a liquid comprising triglycerides, wherein the composition has less than about 5% water (w/v). | 09-12-2013 |
Shen Gao, Botton CA
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20090048268 | ANTI-HISTAMINE COMPOSITIONS AND USE THEREOF - The present invention provides for a storage stable pharmaceutical liquid solution for oral administration having a pharmaceutically effective amount of an antihistamine and having a purity equal to or greater than about 99% by weight-based HPLC assay, residual solvents of less than about 0.5%, and a total impurity of less than about 0.2%. The storage stable solution preferably contains cetirizine. The present invention further provides a process of preparing the storage stable pharmaceutical liquid solution as well as a method of treating a mammal with a therapeutically effective amount of cetirizine in the stable pharmaceutical liquid solution. | 02-19-2009 |
Shiwei Gao, Kanata CA
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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 |
20110200131 | Low Overhead PMI and CQI Feedback and Pairing Schemes for MU-MIMO - A method is provided for searching for a pairing PMI including estimating a MIMO wireless propagation channel from an access point transmitter to a receiver at a UE; quantizing the estimated channel with a codebook consisting of a plurality of codewords, the result being an actual SU-MIMO PMI currently applicable to the UE; estimating the channel quality corresponding to the actual SU-MIMO PMI, resulting in at least one CQI for the UE; constructing a plurality of subsets from a codebook of codewords, wherein each subset comprises potential MU-MIMO PMIs that represent channels that have reduced interference with a channel represented by one of the potential SU-MIMO PMIs; associating each potential SU-MIMO PMI with the subset that comprises the potential MU-MIMO PMIs that represent channels that have reduced interference with the channel represented by that potential SU-MIMO PMI; searching for an appropriate pairing PMI and the associated CQI for the UE. | 08-18-2011 |
Shiwei Gao, Nepean CA
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20080225985 | Method and Apparatus for Enhancing GSM System Capacity - There is provided a system and method of enhancing capacity of a wireless communication channel compromising the steps of modulating data in accordance with first modulation scheme transforming the modulated data from a frequency domain symbol to a time domain version and encoding bits in a wireless communication timeslot independence upon the time domain version whereby capacity of the wireless communication channel is enhanced. The system and method further comprises the steps of: means for receiving the timeslot means for decoding the timeslot and means for transforming the decoded bits from time domain to frequency domain to recover the data. GSM capacity is enhanced between two and six times. | 09-18-2008 |
20120113967 | Frequency-Hopping Method for LTE Aperiodic Sounding Reference Signals - Methods and apparatus are provided to enable aperiodic sounding reference signaling including frequency hopping through the use of additional RRC configuration. The methods can require little or no additional L1 overhead to support narrowband frequency hopping for aperiodic sounding transmissions. In some embodiments, an approach is provided for extending an LTE periodic sounding reference signal methodology to include aperiodic sounding. One benefit of the proposed technique is that it enables each UE to perform aperiodic channel sounding in sounding subframes, using a frequency-hopping pattern, in which the sounding bandwidth of the UE can be narrowed appropriately to match its link capability. Additional benefits of the new approach include better resource utilization, lower signaling overhead, faster channel information update rates, and lower blocking probabilities. | 05-10-2012 |
20120176977 | Method for Aperiodic SRS Subframe Configuration and Signaling - A method, system and computer-usable medium for configuring UE-specific A-SRS subframes. More specifically, UE-specific Aperiodic Sounding Reference Signal (A-SRS) subframes are defined only within a radio subframe. | 07-12-2012 |
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 |
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 |
20120281640 | Methods of PDCCH Capacity Enhancement in LTE Systems Based on a TP-Specific Reference Signal - A method is provided for providing reference signal information in a cell including a plurality of transmission points in a wireless telecommunication system. The method comprises transmitting, by one of a subset of transmission points in the cell, at least one reference signal for demodulating a PDCCH, wherein transmitting the at least one reference signal comprises transmitting the at least one reference signal in at least one CCE reserved in a PDCCH region for transmission of the at least one reference signal. | 11-08-2012 |
20120282936 | Methods of PDCCH Capacity Enhancement in LTE Systems - A method is provided for transmitting data scheduling information from at least one transmission point in a cell in a wireless telecommunication system. The method comprises, in a procedure for generating a PDCCH, the at least one transmission point inserting a DMRS into at least one resource element in at least one REG in at least one CCE that contains the PDCCH, wherein the PDCCH is intended only for at least one specific UE. | 11-08-2012 |
20130003604 | Method and Apparatus for Enhancing Downlink Control Information Transmission - A method is provided for transmitting an extended physical downlink control channel (E-PDCCH). The method comprises transmitting control information in at least one time-frequency resource unit that would otherwise be used to carry a physical downlink shared channel (PDSCH). The E-PDCCH and at least one PDSCH are multiplexed in a transmission time interval. A first set of configuration of the E-PDCCH is semi-statically signaled and a second set of configuration of the E-PDCCH is dynamically signaled. | 01-03-2013 |
20130003663 | Transmit Downlink Control Information With Higher Order Modulation - A method is provided for applying HOM to a PDCCH to transmit control information from an access node to a UE. The method comprises: selecting a DCI format for a HOM PDCCH; determining a DCI block of the HOM PDCCH according to the selected DCI format; generating a sequence of coded bits to be transmitted from the DCI block; multiplexing the sequence of coded bits of the HOM PDCCH with coded bits of other PDCCHs to form a sequence of multiplexed bits; scrambling the sequence of multiplexed bits to form a sequence of scrambled bits; modulating the scrambled bits to form a sequence of modulation symbols; and transmitting the sequence of modulation symbols, where a PDCCH is transmitted on an aggregation of one or more CCEs. | 01-03-2013 |
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 |
20130029657 | 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 at a user equipment operating in a wireless network having a plurality of transmission points 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 finding, at the user equipment, at least one reference transmission point, the finding utilizing at least one of a calculation at the user equipment and a message from a network element; and performing, by the user equipment, uplink power control based on the at least one reference transmission. | 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 |
20130039291 | Design on Enhanced Control Channel for Wireless System - A method is provided for communication in a cell in a wireless telecommunication system. The method comprises, in a region that would otherwise carry a PDSCH, the region being defined by a number of resource blocks and a number of OFDM symbols, instead transmitting at least one of an uplink grant and a downlink assignment in a plurality of OFDM symbols within a first slot, a second slot, or both slots of the region, wherein the region can use either localized or distributed resources, and wherein the region contains one of: a transmission point-specific reference signal; a UE-specific reference signal; and a cell-specific reference signal. | 02-14-2013 |
20130039349 | Methods of Channel State Information Feedback and Transmission in Coordinated Multi-Point Wireless Communications System - An apparatus and method for feedback solutions that function in conjunction with CoMP transmissions. The feedback solutions are applicable to joint transmission (JT) as well as coordinated scheduling (CS) and coordinated beamforming (CB). Embodiments of the present disclosure are described herein in the context of a wireless network in compliance with LTE standards. | 02-14-2013 |
20130064196 | Searching Space and Operation for Enhanced PDCCH in LTE Systems - A method is provided for operating an eNB in a wireless communication network. The method comprises allocating, by the eNB, one or more resource units within one or more physical resource block pairs to a user equipment for transmitting enhanced control information. | 03-14-2013 |
20130064215 | Enhanced PDCCH with Transmit Diversity in LTE Systems - A method is provided for communication in a wireless telecommunications network. The method comprises transmitting an extended physical downlink control channel to a user equipment using transmit diversity from at least one demodulation reference signal port. | 03-14-2013 |
20130064216 | DMRS Association and Signaling for Enhanced PDCCH in LTE Systems - A method is provided for operating a UE in a wireless communication network. The method comprises sending, by the UE, an ACK/NACK message after receiving data on a PDSCH scheduled by an E-PDCCH, wherein the sending is from at least one antenna port and uses at least one physical resource, and wherein the at least one physical resource is determined based at least partially on a resource over which the E-PDCCH is received, and wherein the resource over which the E-PDCCH is received consists of at least one eCCE. | 03-14-2013 |
20130083681 | Methods of Channel State Information Feedback and Transmission in Coordinated Multi-Point Wireless Communications System - A method of operating an eNB in a wireless communication network is provided, wherein the eNB is configured for coordinated multipoint (CoMP) transmission. The method comprises determining, by the eNB, whether to use a fall back transmission scheme for communicating with a UE in the network, wherein the fall back transmission scheme is different from a regular transmission scheme. The method further comprises transmitting, by the eNB, data using the fall back transmission scheme in one or more selected subframes and/or on selected frequency resources. | 04-04-2013 |
20130114517 | Inter-Cell Interference Coordination for E-PDCCH - A method is provided for communication in a wireless telecommunication system. The method comprises transmitting, by a first access node, an indicator to a second access node over an interface between the first access node and the second access node, wherein the indicator provides information on a transmission of a control channel by the first access node. | 05-09-2013 |
20130194908 | Method of Resource Allocation and Signaling for Aperiodic Channel Sounding - A method for resource allocation. The method includes signaling a set of SRS subframes in which an SRS can be transmitted, wherein a UE not capable of aperiodic SRS transmission can be instructed to transmit periodic SRS in any of the SRS subframes. The method further includes signaling which of the SRS subframes are to be used for periodic SRS transmissions and which are to be used for aperiodic SRS transmissions, wherein a periodic SRS transmission is an SRS transmission that is transmitted by a UE in a first subframe, the first subframe being determined at least by the subframe in which the UE transmitted a previous SRS and an SRS periodicity, and wherein an aperiodic SRS transmission is an SRS transmission that is transmitted by a UE in a second subframe, the second subframe being determined at least by a transmission on a physical control channel to the UE. | 08-01-2013 |
20130223482 | SYSTEM AND METHOD FOR INCREASING MAXIMUM PAYLOAD SIZE - A method and apparatus for increasing, at a transmitter, a payload size of a communication channel having orthogonal groups, the method referencing a base orthogonal sequence set comprising orthogonal sequences that are mutually orthogonal, the orthogonal sequence set having subsets that are sub-block orthogonal with a length of four; and selecting a spreading sequence set from a plurality of spreading sequence sets, each of the plurality of spreading sequence sets comprising an orthogonal sequence set subset combined with an imaginary orthogonal sequence set subset, wherein the selecting increases payload size. | 08-29-2013 |
20130235812 | Enhanced PHICH Transmission for LTE-Advanced - A method is provided for communication in a wireless telecommunication system. The method comprises generating a sequence of signals of an enhanced physical HARQ (hybrid automatic repeat request) indicator channel (E-PHICH). The method further comprises mapping the sequence of signals of the E-PHICH to a first set of resource elements, wherein the first set of resource elements is multiplexed with a second set of resource elements over a set of virtual resource blocks, and wherein the second set of resource elements carries at least one of an enhanced physical downlink control channel (E-PDCCH) and a physical downlink shared channel (PDSCH). | 09-12-2013 |
20130242882 | Enhanced Common Downlink Control Channels - A method is provided for communication in a wireless telecommunication system. The method comprises designating, by a network element, a first set of time-frequency resources for transmitting a first set of downlink control channels for a plurality of UEs, wherein the first set of time-frequency resources is known to the plurality of UEs, and wherein the first set of time-frequency resources varies from a first time interval to a second time interval. The method further comprises mapping, by the network element, a first downlink control channel to the first set of time-frequency resources. The method further comprises transmitting, by the network element, the first downlink control channel together with a downlink data channel in a frequency-division multiplexing manner. | 09-19-2013 |
20140036810 | UPLINK CONTROL CHANNEL RESOURCE ALLOCATION FOR AN ENHANCED DOWNLINK CONTROL CHANNEL OF A MOBILE COMMUNICATION SYSTEM - Uplink control channel resource allocation for an enhanced downlink control channel is disclosed. A first example method disclosed herein includes receiving, at a user equipment (UE), a downlink control channel carrying a physical uplink control channel (PUCCH) resource indicator, mapping the PUCCH resource indicator to a first offset, mapping a position of the downlink control channel to a second offset, and mapping a linear combination of the first and second offsets to an index identifying a first PUCCH resource. A second example method disclosed herein includes, in response to receiving, at a UE, an indication of a dynamic resource offset in an enhanced physical downlink control channel (ePDCCH) transmitted in a first ePDCCH set, determining a position of the ePDCCH and a subframe offset, and processing the indication of the dynamic resource offset, the position and the subframe offset to determine an allocated uplink control channel resource for the UE. | 02-06-2014 |
20140204771 | COMMUNICATING DATA USING A LOCAL WIRELESS ACCESS NETWORK NODE - A local wireless access network node receives a request to offload at least a portion of data traffic for a user equipment from a macro wireless access network node to the local wireless access network node, where the user equipment is to maintain a wireless connection to the macro wireless access network node after the offload. The local wireless access network node sends a response to indicate whether the local wireless access node has accepted or denied the request. | 07-24-2014 |
20140233407 | Interference Measurement Methods for Advanced Receiver in LTE/LTE-A - A method for receiving a PDCH is provided. The method comprises: receiving, by a UE, information identifying a plurality of resource elements that are transmitted with zero power in a resource block containing the PDCH; receiving, by the UE, a first DMRS on a first DMRS port transmitted from a first cell; and receiving, by the UE, the PDCH that is transmitted on the first DMRS port. | 08-21-2014 |
20140233466 | Methods of Interference Measurement for Advanced Receiver in LTE/LTE-A - A method for communication in a wireless communications network is provided. The method comprises: transmitting, by a network element in a first cell, a first DMRS on a first DMRS port; transmitting, by the network element, a first PDSCH on the first DMRS port; and transmitting, by the network, information indicating that the first DMRS port is used to transmit the first PDSCH, and information about a second DMRS port that is not used to transmit the first PDSCH but is used to transmit a second DMRS, wherein the first DMRS and the second DMRS are orthogonal to one another. | 08-21-2014 |
20140243002 | Methods of Inter-Cell Resource Sharing - A method for communication in a wireless telecommunication network is provided. The method comprises transmitting, by a first cell, to a first UE, a first signal on a resource block configured to be shared by more than one cell; and transmitting, by a second cell, to a second UE, a second signal on the same resource block, wherein a specification of a location of the resource block is included in configuration information available to the first cell and the second cell. | 08-28-2014 |
20140254476 | SENDING DATA RATE INFORMATION TO A WIRELESS ACCESS NETWORK NODE - A first wireless access network node sets a data rate for communication of data between a second wireless access network node and a user equipment (UE) that is concurrently connected to the first wireless access network node and the second wireless access network node. The first wireless access network node sends information relating to the data rate to the second wireless access network node for use by the second wireless access network node in controlling data communication between the second wireless access network node and the UE. | 09-11-2014 |
20140269368 | Radio Link Quality Monitoring - Disclosed herein is a method of radio link monitoring (RLM) in a UE comprising the steps of: selecting a control channel type to perform RLM on, wherein the control channel type includes one or more of: a physical downlink control channel (PDCCH); or an enhanced physical downlink control channel (EPDCCH); receiving a transmission on a carrier, the transmission comprising one or more reference signals; and determining the quality of the radio link using the selected control channel type and the one or more reference signals. | 09-18-2014 |
20140328182 | CONTROLLING DATA OFFLOAD IN RESPONSE TO FEEDBACK INFORMATION - A first wireless access network node receives feedback information from a second wireless access network node that performs data offload for the first wireless access node. The feedback information relates to one or more of a radio resource usage, a buffer condition, a hardware resource usage or a link quality. In response to the feedback information, the first wireless access network node performs control of the data offload. | 11-06-2014 |
20140369390 | SYSTEM AND METHOD FOR INCREASING MAXIMUM PAYLOAD SIZE - A method and apparatus for increasing, at a transmitter, a payload size of a communication channel having orthogonal groups, the method referencing a base orthogonal sequence set comprising orthogonal sequences that are mutually orthogonal, the orthogonal sequence set having subsets that are sub-block orthogonal with a length of four; and selecting a spreading sequence set from a plurality of spreading sequence sets, each of the plurality of spreading sequence sets comprising an orthogonal sequence set subset combined with an imaginary orthogonal sequence set subset, wherein the selecting increases payload size. | 12-18-2014 |
20150016295 | Methods of Channel State Information Feedback and Transmission in Coordinated Multi-Point Wireless Communications System - A method of operating an eNB in a wireless communication network is provided, wherein the eNB is configured for coordinated multipoint (CoMP) transmission. The method comprises determining, by the eNB, whether to use a fall back transmission scheme for communicating with a UE in the network, wherein the fall back transmission scheme is different from a regular transmission scheme. The method further comprises transmitting, by the eNB, data using the fall back transmission scheme in one or more selected subframes and/or on selected frequency resources. | 01-15-2015 |
20150036666 | Timing Advance Group in LTE Small Cell Enhancement - A method for communication in a wireless telecommunication system is provided. The method includes assigning a first cell of a first network node to a first timing advance group (TAG) of a user equipment (UE) and assigning a second cell of a second network node to a second TAG of the UE, wherein the second network node has a separate MAC (medium access control) scheduler from the first network node, and wherein the UE is able to transmit data on both the first and the second cell. | 02-05-2015 |
20150043435 | METHOD AND SYSTEM FOR PROTOCOL LAYER ENHANCEMENTS IN DATA OFFLOAD OVER SMALL CELLS - A method at a first wireless network element, the method receiving, from a second wireless network element, a plurality of packet data units (PDUs) for a user equipment; transmitting the PDUs to the user equipment (UE); compiling a PDU delivery status report in response to the transmitting of the PDUs; and sending the compiled PDU delivery status report to the second wireless network element. | 02-12-2015 |
20150045038 | Communicating Radio Resource Configuration Information - A first wireless access network node receives common radio resource configuration information of a second wireless access network node. A data offload request is sent to the second wireless access network node to perform a data offload for a user equipment (UE) attached to the first wireless access network node. | 02-12-2015 |
20150049649 | WIRELESS ACCESS NETWORK NODE HAVING AN OFF STATE - A wireless access network node receives a configuration for a discovery signal for transmission by the wireless access network when in an off state. The wireless access network node in the off state transmits the discovery signal according to the configuration for detection by a user equipment (UE). | 02-19-2015 |
20150085677 | SYSTEMS AND METHODS FOR BAND-LIMITED SUBFRAMES IN WIRELESS NETWORKS - Systems, methods, and apparatuses for using band-limited subframes in wireless communication networks are provided. During the band-limited subframes, the macro cell base station may mute its transmission or transmit at a low power over some frequency sub-band, while transmitting at a normal or higher power over other frequency sub-band. Correspondingly, the small cell base station may communicate with UEs within its coverage at the frequency sub-band that the macro cell base station transmits at a low power. The band-limited subframe enables the small cell base station to communicate with the UE with reduced interference, and in the meantime, increases the throughput of macro cell base station as it does not require the macro cell base station to completely mute its transmission during the band-limited subframe. | 03-26-2015 |
20150124708 | METHOD AND APPARATUS TO ENABLE MULTIPLE WIRELESS CONNECTIONS - A first radio connection is established between a first cell and a user equipment (UE). A network identity of a second cell is determined based on a first set of at least one network identity associated with the first cell, where the second cell is associated with a second set of at least one network identity. The determined network identity is useable for establishing a second radio connection between the second cell and the UE. | 05-07-2015 |
20150215879 | TRANSMITTING A SYNCHRONIZATION INDICATION - A first wireless access network node sets a synchronization indication based on whether the first wireless access network node is synchronized with a synchronization source. The first wireless access network node transmits the synchronization indication. | 07-30-2015 |
20150365869 | Communicating Radio Resource Configuration Information - A first wireless access network node receives common radio resource configuration information of a second wireless access network node. A data offload request is sent to the second wireless access network node to perform a data offload for a user equipment (UE) attached to the first wireless access network node. | 12-17-2015 |
20160050607 | COMMUNICATING DATA USING A LOCAL WIRELESS ACCESS NETWORK NODE - A local wireless access network node receives a request to offload at least a portion of data traffic for a user equipment from a macro wireless access network node to the local wireless access network node, where the user equipment is to maintain a wireless connection to the macro wireless access network node after the offload. The local wireless access network node sends a response to indicate whether the local wireless access node has accepted or denied the request. | 02-18-2016 |
20160065333 | Enhanced Common Downlink Control Channels - A method is provided for communication in a wireless telecommunication system. The method comprises designating, by a network element, a first set of time-frequency resources for transmitting a first set of downlink control channels for a plurality of UEs, wherein the first set of time-frequency resources is known to the plurality of UEs, and wherein the first set of time-frequency resources varies from a first time interval to a second time interval. The method further comprises mapping, by the network element, a first downlink control channel to the first set of time-frequency resources. The method further comprises transmitting, by the network element, the first downlink control channel together with a downlink data channel in a frequency-division multiplexing manner. | 03-03-2016 |
20160081084 | UPLINK SOUNDING REFERENCE SIGNALS FOR MACHINE TYPE COMMUNICATIONS (MTC) USER EQUIPMENT (UE) - According to some embodiments, a method of operating a wireless device in a wireless system comprises allocating a first uplink sub-channel to the wireless device in a first subframe associated with the wireless device. The first uplink sub-channel comprises a portion of an uplink system bandwidth, and portions of the uplink system bandwidth outside of the first uplink sub-channel are not available for transmission in the first subframe by the wireless device. The method further comprises determining a first sounding reference signal (SRS) sub-channel. The first SRS sub-channel comprises a portion of the first uplink sub-channel in frequency domain, and the SRS sub-channel is available for transmitting SRS in the first subframe by the wireless device. | 03-17-2016 |
20160105266 | Enhanced PHICH Transmission for LTE-Advanced - A method is provided for communication in a wireless telecommunication system. The method comprises generating a sequence of signals of an enhanced physical HARQ (hybrid automatic repeat request) indicator channel (E-PHICH). The method further comprises mapping the sequence of signals of the E-PHICH to a first set of resource elements, wherein the first set of resource elements is multiplexed with a second set of resource elements over a set of virtual resource blocks, and wherein the second set of resource elements carries at least one of an enhanced physical downlink control channel (E-PDCCH) and a physical downlink shared channel (PDSCH). | 04-14-2016 |
Shiwei Gao, Ottawa CA
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20110176629 | DOWNLINK TRANSMISSION IN A MULTIPLE-USER MULTIPLE-INPUT MULTIPLE-OUTPUT ("MU-MIMO") WIRELESS COMMUNICATION SYSTEM - Information transmission in a multiple-input multiple-output (“MIMO”) wireless communication system is provided. In one embodiment, a method for transmitting information in a MIMO wireless communication system, comprising updating channel quality information (“CQI”) values of a plurality of wireless devices, wherein updating said CQI values consider the effects of interference from transmissions to those wireless devices associated with a pre-assigned companion codeword set; pairing said plurality of wireless devices using at least said CQI values, a precoding matrix index (“PMI”) value and said pre-assigned companion codeword set, wherein said pre-assigned companion codeword set, pre-assigned companion codewords associated with said pre-assigned companion codeword set and said PMI value are updated for each of said plurality of wireless devices; precoding the information for each of said plurality of wireless devices using said PMI value; and transmitting said precoded information to each of said plurality of wireless devices. | 07-21-2011 |
Shiwei Gao, Nepean, Ontario CA
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20140269632 | ESTABLISHING MULTIPLE CONNECTIONS BETWEEN A USER EQUIPMENT AND WIRELESS ACCESS NETWORK NODES - A control plane connection is established between a user equipment (UE) and a first wireless access network node. Signaling in the control plane connection is used for establishing a plurality of connections between the UE and corresponding additional plurality of wireless access network nodes, to communicate user plane data between the UE and the additional wireless access network nodes. | 09-18-2014 |
20150036566 | UPLINK POWER SHARING CONTROL - A user equipment detects that an aggregate of calculated uplink transmit power of the UE exceeds a threshold. In response to the detecting, a power of at least one of a plurality of frequency-division multiplexing (FDM)-based uplink transmissions of the UE over corresponding wireless connections with respective wireless access network nodes is adjusted. | 02-05-2015 |
Shiwei Gao, Napean CA
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20140355562 | SYSTEMS AND METHODS FOR DATA OFFLOAD IN WIRELESS NETWORKS - Systems, methods, and apparatuses for radio resource control (RRC) signaling in wireless communication networks with data offload are provided. The radio configuration messages from a small cell to a dual connection UE may be sent by an overlay macro E-UTRAN node-B (eNB). The small cell may send the RRC messages to the macro-eNB first via a backhaul link, and the macro-eNB then transmits the messages to the UE. In some implementations, the radio configuration messages from a small cell to a dual connection UE may be sent directly from the small cell. In some other implementations, some of the RRC messages may be sent selectively to/from either the macro-cell or the small cell, or to/from both the macro-cell and the small cell. The type of RRC messages sent over the small cell and/or the macro-cell may be preconfigured or predetermined. | 12-04-2014 |
Shudi Gao, Richmond Hill CA
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20090063950 | METHOD FOR VALIDATING UNIQUE PARTICLE ATTRIBUTION CONSTRAINTS IN EXTENSIBLE MARKUP LANGUAGE SCHEMAS - A method for validating unique particle attribution (UPA) in extensible markup language (XML) schemas includes receiving an input argument including a particle of an XML schema, verifying particle occurrence information of the XML schema, verifying particle sequence model group information of the XML schema, verifying particle choice model group information of the XML schema, verifying particle all model group information of the XML schema, and recursively calling additional instances of the method for validating UPA such that all particles recursively defined in the particle of the input argument are subject to verification of UPA constraints. | 03-05-2009 |
20090083294 | EFFICIENT XML SCHEMA VALIDATION MECHANISM FOR SIMILAR XML DOCUMENTS - The illustrative embodiments described herein provide for a method for validating a target document written in a structured language against a schema for the structured language. A record of document fragments that have been previously validated against the schema is maintained. The target document is compared to the document fragments to identify portions of the target document that are schematically identical to corresponding document fragments. Validation is omitted for at least one of the portions of the target document that are schematically identical to the corresponding document fragments when validating the target document. | 03-26-2009 |
20140207826 | GENERATING XML SCHEMA FROM JSON DATA - A computer receives a first JSON data that includes at least one JSON array or JSON object value. The computer parses a stream of JSON data, wherein the stream of JSON data includes at least a part of the first JSON data. The computer determines the logical structure of the first JSON data using the parsed stream of JSON data. The computer generates an XML schema based on the logical structure of the first JSON data. | 07-24-2014 |
Tiejun Gao, Edmonton CA
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20100136629 | ENHANCED ETHANOL FERMENTATION USING BIODIGESTATE - Methods and systems for enhancing ethanol production using a suspending fluid are described. The suspending fluid includes organic material that has at least partially been anaerobically digested and anaerobic microorganisms, and is substantially free of non-anaerobic microorganisms. Also described are methods and systems for hydrolyzing a feedstock for fermentation that include hydrolyzing a feedstock suspension. The feedstock suspension can include feedstock that includes complex sugars, and a suspending fluid, wherein the suspending fluid includes organic material that has at least partially been anaerobically digested and anaerobic microorganisms, and is substantially free of non-anaerobic microorganisms. | 06-03-2010 |
20100297740 | Use of Anaerobic Digestion to Destroy Biohazards and to Enhance Biogas Production - The invention relates to systems and methods for using the anaerobic digestion (AD) process, especially thermophilic anaerobic digestion (TAD), to destroy biohazard materials including prion-containing specified risk materials (SRM), viral, and/or bacterial pathogens, etc. The added advantage of the invention also includes using feedstocks that may contain such biohazard materials to achieve enhanced biogas production, in the form of improved biogas quality and quantity. | 11-25-2010 |
20140302566 | ENHANCED ETHANOL FERMENTATION USING BIODIGESTATE - Methods and systems for enhancing ethanol production using a suspending fluid are described. The suspending fluid includes organic material that has at least partially been anaerobically digested and anaerobic microorganisms, and is substantially free of non-anaerobic microorganisms. Also described are methods and systems for hydrolyzing a feedstock for fermentation that include hydrolyzing a feedstock suspension. The feedstock suspension can include feedstock that includes complex sugars, and a suspending fluid, wherein the suspending fluid includes organic material that has at least partially been anaerobically digested and anaerobic microorganisms, and is substantially free of non-anaerobic microorganisms. | 10-09-2014 |
20150125921 | USE OF ANAEROBIC DIGESTION TO DESTROY ANTIBIOTICS IN ORGANIC WASTE - The invention relates to systems and methods for using the anaerobic digestion (AD) process, especially thermophilic anaerobic digestion (TAD), to destroy biohazard materials including antibiotics. | 05-07-2015 |
20150321037 | USE OF ANAEROBIC DIGESTION TO DESTROY BIOHAZARDS AND TO ENHANCE BIOGAS PRODUCTION - The invention relates to systems and methods for using the anaerobic digestion (AD) process, especially thermophilic anaerobic digestion (TAD), to destroy biohazard materials including prion-containing specified risk materials (SRM), viral, and/or bacterial pathogens, etc. The added advantage of the invention also includes using feedstocks that may contain such biohazard materials to achieve enhanced biogas production, in the form of improved biogas quality and quantity. | 11-12-2015 |
Xiaoliang Gao, Calgary CA
Patent application number | Description | Published |
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20080242811 | Amino phosphine - A new P—N—P ligand in which each phosphorus atom is bonded to two ortho-fluorine substituted phenyl groups is useful in ethylene oligomerizations. In combination with i) a source of chromium and ii) an activator such as methalumoxane; the ligand of this invention may be used to prepare an oligomer product that contains a mixture of hexenes and octenes. The hexenes and octenes produced with this ligand contain very low levels of internal olefins when produced under preferred reaction conditions. | 10-02-2008 |
20100081777 | Tetramerization - A new P—N—P ligand is useful in ethylene oligomerizations. In combination with i) a source of chromium and ii) an activator such as methylalumoxane; the ligand of this invention may be used to prepare an oligomer product that contains a mixture of hexenes and octenes. The hexenes and octenes produced with this ligand contain very low levels of internal olefins when produced under preferred reaction conditions. | 04-01-2010 |
20100081842 | Trimerization - A new P—N—P ligand is useful in ethylene oligomerizations. In combination with i) a source of chromium and ii) an activator such as methylalumoxane; the ligand of this invention may be used to prepare an oligomer product that contains a mixture of hexenes and octenes. The hexenes and octenes produced with this ligand contain very low levels of internal olefins when produced under preferred reaction conditions. | 04-01-2010 |
20110015061 | TETRAMERIZATION - A new P—N—P ligand is useful in ethylene oligomerizations. In combination with i) a source of chromium and ii) an activator such as methylalumoxane; the ligand of this invention may be used to prepare an oligomer product that contains a mixture of hexenes and octenes. The hexenes and octenes produced with this ligand contain very low levels of internal olefins when produced under preferred reaction conditions. | 01-20-2011 |
20110092654 | Reactor continuity - Single site reactor/catalyst continuity in a dispersed phase reaction in terms of initial activation and subsequent deactivation may be improved by treating the support with a metal salt. The activator and catalyst are then deposited on the treated support. The resulting catalyst has a lower consumption of ethylene during initiation and a lower rate of deactivation. Preferably the catalyst is used with an antistatic agent. | 04-21-2011 |
20110257352 | Amino phosphine - A new P-N-P ligand in which each phosphorus atom is bonded to two ortho-fluorine substituted phenyl groups is useful in ethylene oligomerizations. In combination with i) a source of chromium and ii) an activator such as methalumoxane; the ligand of this invention may be used to prepare an oligomer product that contains a mixture of hexenes and octenes. The hexenes and octenes produced with this ligand contain very low levels of internal olefins when produced under preferred reaction conditions. | 10-20-2011 |
20110288248 | Reduced reactor fouling - Fouling in a dispersed phase reactor in the presence of a phosphinimine catalyst and MAO may be reduced by reducing the loading of the phosphinimine catalyst to provide from 0.02 to 0.031 mmol of transition M per g of catalyst while still maintaining a productivity of not less than 2500 g of polymer/gram of catalyst. The catalyst may optionally be used in the presence of an antistatic agent. | 11-24-2011 |
20120088933 | Tetramerization ligands - An ethylene oligomerization catalyst which contains a bridged diphosphine ligand having the formula (R | 04-12-2012 |
20120259070 | REACTOR CONTINUITY - A dual catalyst system comprising a phosphinimine ligand containing catalyst and phenoxide ligand (preferably a salicylaldimine) on a support treated with a metal salt has improved reactor continuity in a dispersed phase reaction in terms of initial activation and subsequent deactivation The resulting catalyst has a lower consumption of ethylene during initiation and a lower rate of deactivation. Preferably the catalyst is used with an antistatic agent. | 10-11-2012 |
20120259080 | REACTOR CONTINUITY - A supported catalyst system comprising a phosphinimine ligand containing catalyst on an alumina support treated with a metal salt has improved reactor continuity in a dispersed phase reaction in terms of initial activation and subsequent deactivation. The resulting catalyst has a lower consumption of ethylene during initiation and a lower rate of deactivation. Preferably the catalyst is used with an antistatic agent. | 10-11-2012 |
20120259081 | REACTOR CONTINUITY - A supported catalyst system comprising a phosphinimine ligand containing catalyst on a porous inorganic support treated with a metal salt has improved reactor continuity in a dispersed phase reaction in terms of initial activation and subsequent deactivation. The resulting catalyst has a lower consumption of ethylene during initiation and a lower rate of deactivation. Preferably the catalyst is used with an antistatic agent. | 10-11-2012 |
20120302707 | CHROMIUM CATALYSTS FOR OLEFIN POLYMERIZATION - Mineral oil is added to a supported chromium catalyst in amounts which maintain a free flowing particulate material. Chromium catalysts so treated, provide polyethylene in a gas phase ethylene polymerization process with reduced reactor fouling or static. | 11-29-2012 |
20130310590 | Ligand Synthesis - Compounds 1,3,4-(SiMe | 11-21-2013 |
20140249339 | COMPLEX COMPRISING OXIDATIVE DEHYDROGENATION UNIT - Oxidative dehydrogenation of paraffins to olefins provides a lower energy route to produce olefins. Oxidative dehydrogenation processes may be integrated with a number of processes in a chemical plant such as polymerization processes, manufacture of glycols, and carboxylic acids and esters. Additionally, oxidative dehydrogenation processes can be integrated with the back end separation process of a conventional steam cracker to increase capacity at reduced cost. | 09-04-2014 |
20140336342 | CHROMIUM CATALYSTS FOR OLEFIN POLYMERIZATION - Mineral oil is added to a supported chromium catalyst in amounts which maintain a free flowing particulate material. Chromium catalysts so treated, provide polyethylene in a gas phase ethylene polymerization process with reduced reactor fouling or static. | 11-13-2014 |
20150031914 | P-N-P LIGAND - A new P-N-P ligand is useful in ethylene oligomerizations. In combination with i) a source of chromium; and ii) an activator such as methylalumoxane; the ligand of this invention may be used to prepare an oligomer product that contains a mixture of high purity alpha olefins. In a preferred embodiment, the ligand of this invention enables a selective oligomerization in which the majority of the liquid product is a mixture of hexene and octene. The amount of by-product polymer that is produced in preferred oligomerization reactions is advantageously low. | 01-29-2015 |
20150141727 | INHERENTLY SAFE ODH OPERATION - In the operation of an oxidative dehydrogenation (ODH) process, it is desirable to remove oxygen in the product stream for a number of reasons, including to reduce oxidation of the product. This may be achieved by having several pre-reactors upstream of the main reactor having a catalyst system containing labile oxygen. The feed passes through one or more reactors saturated with labile oxygen. When the labile oxygen is consumed through a valve system, the pre-reactor accepts product from the main reactor and complexes reactive oxygen in the product stream until the catalyst system is saturated with labile oxygen. Then the reactor becomes a pre-reactor and another pre-reactor becomes a scavenger. | 05-21-2015 |
20150225492 | P-N-P LIGAND - A new P-N-P ligand is useful in ethylene oligomerizations. In combination with i) a source of chromium; and ii) an activator such as methylalumoxane; the ligand of this invention may be used to prepare an oligomer product that contains a mixture of high purity alpha olefins. In a preferred embodiment, the ligand of this invention enables a selective oligomerization in which the majority of the liquid product is a mixture of hexene and octene. The amount of by-product polymer that is produced in preferred oligomerization reactions is advantageously low. | 08-13-2015 |
Xuexin Gao, Calgary CA
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20120078074 | Methods and Apparatuses for Monitoring Gastroesophageal Reflux Volume with Ultrasonic Catheter - Ultrasonic catheters and methods for determining and/or monitoring reflux volumes during gastroesophageal reflux events. | 03-29-2012 |
Yan Gao, St-Romuald CA
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20130217799 | PROCESS FOR SYNTHESIZING POLYMERS WITH INTRINSIC MICROPOROSITY - A process for synthesizing polymers with intrinsic microporosity comprises creating a solution of a first PIM-suitable monomer and a second PIM-suitable monomer in a solvent comprising N-methylpyrrolidone; and maintaining the solution at a temperature of at least 100° C. for a reaction time to yield the polymer with intrinsic microporosity. | 08-22-2013 |
20160067654 | ION EXCHANGE MEMBRANES CONTAINING INORGANIC PARTICLES - An ion exchange membrane and a method of making it. The membrane may be used, for example, in an electrodialysis module or electrochemical cell. The membrane comprises an ion exchange polymer and inorganic particles preferably linked to the ion exchange polymer. To make a membrane, inorganic particles are mixed into an ion exchange membrane pre-cursor. A polymerization initiator or catalyst is then added and the resulting mixture is placed in a form and cured. The inorganic particles may comprise, for example, an oxidized form of graphite such as graphite oxide. The ion exchange polymer may comprise an ionic monomer, containing a quaternary ammonium group for anion exchange or a sulfonate group for cation exchange, along with a crosslinking co-monomer containing polymerizable diacrylic functionalities. The membrane is self-supporting and can be made without a supporting fabric. | 03-10-2016 |
Yanming Gao, Kanata CA
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20100075613 | System and Method for Link Rate Negotiation - A system and method are provided for negotiating a link data rate in a communication system using a plurality of data rates. In a system including a first device network-connected to a second device, auto-negotiation (AN) messages are mutually transmitted. The AN messages indicate rate information such as preferred data rate capabilities, if the device has a dual-rate capability, or a single data rate capabilities. If the AN messages are mutually transmitted, a negotiated link data rate is established. However, if one of the devices cannot send AN messages, the other device times-out, and a link data rate is established at the data rate transmitted by the device that is not AN-capable. | 03-25-2010 |
20100077097 | System and Method for Multilane Link Rate Negotiation - A system and method are provided for negotiating a link data rate in a communication system using a plurality of data rates. In a system including a first device network-connected to a second device, auto-negotiation (AN) messages are mutually transmitted. The AN messages indicate rate information such as preferred data rate capabilities, if the device has a dual-rate capability, single data rate capabilities, or is capable of communicating over a plurality of physical medium lanes. If the AN messages are mutually transmitted, a negotiated link data rate is established. However, if one of the devices cannot send AN messages, the other device times-out, and a link data rate is established at the data rate transmitted by the device that is not AN-capable. | 03-25-2010 |
Yaoqing Gao, Toronto CA
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20110093687 | MANAGING MULTIPLE SPECULATIVE ASSIST THREADS AT DIFFERING CACHE LEVELS - An illustrative embodiment provides a computer-implemented process for managing multiple speculative assist threads for data pre-fetching that sends a command from an assist thread of a first processor to second processor and a memory, wherein parameters of the command specify a processor identifier of the second processor, responsive to receiving the command, reply by the second processor indicating an ability to receive a cache line that is a target of a pre-fetch, responsive to receiving the command replying by the memory indicating a capability to provide the cache line, responsive to receiving replies from the second processor and the memory, sending, by the first processor, a combined response to the second processor and the memory, wherein the combined response indicates an action, and responsive to the action indicating a transaction can continue sending the requested cache line, by the memory, to the second processor into a target cache level on the second processor. | 04-21-2011 |
20110093838 | MANAGING SPECULATIVE ASSIST THREADS - An illustrative embodiment provides a computer-implemented process for managing speculative assist threads for data pre-fetching that analyzes collected source code and cache profiling information to identify a code region containing a delinquent load instruction and generates an assist thread, including a value for a local version number, at a program entry point within the identified code region. Upon activation of the assist thread the local version number of the assist thread is compared to the global unique version number of the main thread for the identified code region and an iteration distance between the assist thread relative to the main thread is compared to a predefined value. The assist thread is executed when the local version number of the assist thread matches the global unique version number of the main thread, and the iteration distance between the assist thread relative to the main thread is within a predefined range of values. | 04-21-2011 |
Yaoqing Gao, Markham CA
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20130125105 | UNIFIED PARALLEL C WORK-SHARING LOOP CONSTRUCT TRANSFORMATION - Control flow information and data flow information associated with a program containing a upc_forall loop are built. A shared reference map data structure using the control flow information and the data flow information is created. All local shared accesses are hashed to facilitate a constant access stride after being rewritten. All local shared references in a hash entry having a longest list are privatized. The upc_forall loop is rewritten into a for loop. Responsive to a determination that an unprocessed upc_forall loop does not exist, dead store elimination is run. The control flow information and the data flow information associated with the program containing the for loop is rebuilt. | 05-16-2013 |
Yaoqing Gao, Ontario CA
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20130024871 | Thread Management in Parallel Processes - A method and system are provided for thread management in parallel processes in a multi-core or multi-node system. The method includes receiving monitored hardware metrics information from the multiple cores or multiple nodes on which processes are executed, receiving monitored process and thread information; and globally monitoring the processing across the multiple cores or multiple nodes. The method further includes analyzing the monitored information to minimize imbalances between the multiple cores and/or to improve core or node exploitation and dynamically adjusting the number of threads per process based on the analysis. | 01-24-2013 |
Yong Gao, Burnaby CA
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20090214929 | Type of fuel cell bipolar plates constructed with multiple pass flow channels that contract, expand, deflect and split reactant flows for improving reactant flow distribution, diffusion and water management - A type of fuel cell bipolar plates is constructed with multiple splitting and deflecting flow channels through which reactant flows are constantly contracted, expanded, split into more than one flow streams, and deflected in flow directions for improving reactant flow distribution, diffusion and water management. | 08-27-2009 |
20140356747 | Spliced Bipolar Plates For Fuel Cells And Fuel Cell Stacks Comprising The Same - Spliced bipolar plates for fuel cells are provided. The spliced bipolar plate includes a supporting plate and a splice plate. The supporting plate has thee inlet openings and three outlet openings formed on both ends. A plurality of coolant flow channels are provided on one side of the supporting plate, while a recess of a uniform thickness is provided on the opposite side of the supporting plate. One side of the recess is opened to a transverse or a longitudinal side of the supporting plate. The splice plate is divided into a reaction zone part and an extended part by the supporting plate. The size of the reaction zone part is substantially the same as the volume of the recess such that the reaction zone part is received in the recess, thus connecting the splice plate to the supporting plate. The extended part of the splice plate is projected beyond the supporting plate. | 12-04-2014 |
20140356762 | Integrated Gas Diffusion Layer With Sealing Function And Method Of Making The Same - The present invention relates to the field of fuel cell technology and, more particularly, relates to an integrated gas diffusion layer with a sealing function and a method of making the same. The integrated gas diffusion layer includes a gas diffusion member and a sealing member having fuel inlet and outlet openings, oxidant inlet and outlet openings, and coolant inlet and outlet openings. The sealing member is sized to substantially cover the peripheral portion of the gas diffusion member. The sealing member and the gas diffusion member are integrally injection molded or adhered together by adhesive bonding. | 12-04-2014 |
Yongqian Gao, Kitchener CA
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20090044182 | METHOD AND APPARATUS FOR DETERMINING THE STATE OF A COMPUTING DEVICE - According to embodiments described in the specification, a method and apparatus, for determining the state of a computing device is described, by first determining at least one unique code associated with at least one file resident on the computing device, the at least one unique code representative of a state of the at least one file. Then at least one unique reference code associated with at least one update file is determined, the at least one update file for updating said at least one file resident on the computing device, and the at least one unique reference code representative of an expected state of the at least one file resident on the computing device. Finally, the state of the computing device is determined to be in an expected state if the at least one unique code matches the at least one unique reference code, and in an unexpected state if the at least one unique code does not match the at least one unique reference code. | 02-12-2009 |
20090044183 | METHOD AND APPARATUS FOR UPDATING THE STATE OF A COMPUTING DEVICE - According to embodiments described in the specification, a method, and apparatus for updating the state of a computing device by first receiving a message processable by the computing device, the message comprising data for instructing the computing device to request at least one update file from at least one remote computing entity, the at least one update file for updating a file resident on the computing device; and processing the message to effect updating of the computing device. | 02-12-2009 |
Yu Gao, Waterloo CA
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20110083110 | TOUCH-SENSITIVE DISPLAY AND METHOD OF CONTROL - A method includes displaying one or more selection options on a touch-sensitive display and detecting a hovering touch associated with a first option of the one or more selection options. Information associated with the first option is previewed in a first format in an information field in response to detecting the hovering touch. A selection of one of the one or more selection options is detected, and a function associated with the selected option is performed. | 04-07-2011 |
20140028633 | FORCE SENSING STYLUS - The present disclosure provides a force sensing stylus that includes a shaft. The shaft has a tip-end, which protrudes from the stylus body, and an interior-end that is located within the body. The shaft is supported in the body at the tip-end by a compliant element. A multi-axis force sensor, in contact with the interior-end of the shaft, senses lateral and longitudinal components of a force applied to the tip-end of the shaft, or a combination thereof. The sensed force components may be transmitted to an electronic device and used to control an application executed on the device. | 01-30-2014 |
20140035883 | Apparatus and Method Pertaining to a Stylus That Emits a Plurality of Infrared Beams - A stylus has a writing tip and includes a plurality of infrared transmitters configured and disposed to emit a plurality of infrared beams via that writing tip. These infrared transmitters can be disposed substantially equidistant from one another about a central axis of the writing tip and emit infrared beams at an angle that is other than parallel to that central axis. A corresponding display can detect these various beams to determine corresponding stylus-gesture information. This stylus-gesture information can comprise, for example, determining an angle of inclination of the stylus. As another example this stylus-gesture information can comprise rotation (such as a direction of rotation or the mere state of rotation) about the stylus' longitudinal axis. This stylus-gesture information, in turn, can serve as parameters to further guide or influence any of a variety of applications. | 02-06-2014 |
20140055424 | Method and Apparatus Pertaining to Detecting a Light-Emitting Stylus' Position - A display includes a light-transmissive planar member with side edges and opposing surfaces. A plurality of light sensors are disposed along at least two of the side edges of this planar member. These light sensors are disposed to detect light moving through the light-transmissive planar member by internally reflecting off the aforementioned opposing surfaces. A control circuit detects a position of a light-emitting stylus with respect to the display by using the plurality of light sensors to detect light from the light-emitting stylus that moves through the light-transmissive planar member via the aforementioned internal reflections. By one approach the side edges the light-transmissive planar member are inclined at other than a perpendicular angle with respect to the aforementioned opposing surfaces. | 02-27-2014 |
20140078116 | RECHARGEABLE ACTIVE PEN AND ELECTRONIC DEVICE WITH CORRESPONDING CHARGING DOCK - Powered by a battery module, an active pen may transmit a signal that is intended for detection by a touch screen. The active pen may comprise an elongated clip member connected to an elongated body member, the free end of the clip member having a ground contact, and the body member having control and charging contacts opposite the ground contact. The free end may be biased such that the ground contact is normally in contact with the control and charging contacts, thereby maintaining the active pen in a signal-transmitting state until separation of the contacts. An electronic device may charge the battery module, optionally responsive to authorization thereof. The electronic device may comprise a partition member to separate the free end of the clip member from the body member, the partition member having contacts corresponding to those of the active pen for enabling charging of the battery module. | 03-20-2014 |
20150116273 | CONTACTLESS GESTURE RECOGNITION WITH SENSOR HAVING ASYMMETRIC FIELD OF VIEW - Methods, devices and sensors for detecting a gesture are described. In an embodiment, a gesture sensor includes a time of flight sensor having a sensing element configured to generate an electrical signal responsive to received light. The time of flight sensor also includes a light source for emitting a burst of light. The sensing element has a sensing side for receiving light and a non-sensing side which is opposite the sensing side. The gesture sensor also includes one or more light inhibitors positioned relatively nearer the sensing side of the sensing element than the non-sensing side. The light inhibitors are asymmetric about a first center line of the sensing element. The first center line is located midway between first and second sides of the sensing element. The gesture sensor further includes a processor coupled to the time of flight sensor configured to detect a gesture. | 04-30-2015 |
20150369906 | LENS WITH PROXIMITY DETECTION PERFORMANCE IMPROVEMENT LAYER - It is proposed herein to add a layer to the proximity detector lens of a smart phone. The layer, with beneficial qualities such as high transparency and high refractive index, may be seen to improve proximity sensor performance in the presence of matter deposited on an anti-fingerprint coating of the proximity detector lens. | 12-24-2015 |
20160061586 | Method to Determine Length and Area Measurements Within a Smartphone Camera Image - A mobile communication device includes a processor operably coupled to a memory and to a wireless communication subsystem operable to send and receive data, a camera operably coupled to the processor, a sensor operably connected to provide to the processor a distance between the camera and an element viewable by the camera. Instructions are stored in the memory; when these instructions are executed by the processor, the mobile communication device takes an image with the camera, uses the sensor to determine a distance between the camera and at least one object recorded in the image, receives a request for a desired measurement comprising one of a desired length measurement and a desired area measurement of an element in the image, calculates the desired measurement, and provides the desired measurement to the user. | 03-03-2016 |
Yuqi Edwin Gao, Surrey CA
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20150201064 | METHODS AND APPARATUS TO DETECT AND ADD IMPACT EVENTS TO A CALENDAR PROGRAM - A calendaring method involves receiving a command to enter calendar event data, in a calendar program that stores calendar data running on a processor of a wireless mobile device; determining, from the calendar event data, a location and a date associated with the calendar event; searching a database for impact event data associated with an impact event occurring at or about the location and on or about the date; after indentifying the impact event data, storing linking data, linking the calendar event and the impact event in the calendar program's calendar data. | 07-16-2015 |
Zhi Ning Gao, Richmond CA
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20100060571 | KVM SWITCH USING A TOUCH SCREEN - A KVM switch system having a touch screen for interacting with multiple computers is disclosed. The KVM switch processes coordinate data from the touch screen and transfers the processed data to the controlled computer either as absolute mouse coordinate data or as relative mouse coordinate data depending on the operating system (Windows, Mac OS, SUN, etc.) and mouse data interface (USB, PS/2, etc.) used by the computer. Thus, the touch screen can interact with all computers connected to the KVM switch, achieving a multi-platform and multi-interface application without requiring device drivers on the computers. The KVM switch stores necessary parameters for each computer so that when switching from one computer port to another, or when the display resolution of the computer changes, processing of the touch screen data is automatically adjusted accordingly. The touch screen also works within the OSD of the KVM switch. | 03-11-2010 |