Xingwei
Xingwei Feng, Beijing CN
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20150324464 | SEARCHING METHOD AND APPARATUS - A searching method and a searching apparatus are provided. The method includes: obtaining a search term input from a client device; determining a type of the search term, and obtaining a knowledge graph corresponding to the type of the search term; and returning the knowledge graph corresponding to the type of the search term to the client device, such that the client device displays information contained in the knowledge graph in a structured form. | 11-12-2015 |
Xingwei Hu, Lu Zhou City CN
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20100213866 | BALLAST AND BALLAST CONTROL METHOD AND APPARATUS, FOR EXAMPLE ANTI-ARCING CONTROL FOR ELECTRONIC BALLAST - A technique for providing control for an electronic ballast by responding to the current in the common bus (DC power rail) between a boost circuit such as a power factor circuit (PFC) and an output (such as a high frequency (HF) inverter) circuit, and adjusting, changing or shutting down either the power factor control circuit or the inverter circuit when the power going into the inverter circuit is above a threshold. Power going into the inverter circuit may be measured by a resistor, and temperature compensation may be provided. Excess power indicative of a spark is detected in such a way that normal starting of a lamp load connected to the ballast occurs without triggering the change/shutdown but an external arc will trigger the change/shutdown. For example, the output circuit may be shut down and the external arc curtailed within 200 msecs. | 08-26-2010 |
Xingwei Hu, Sichuan CN
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20140339996 | BALLAST AND BALLAST CONTROL METHOD AND APPARATUS, FOR EXAMPLE ANTI-ARCING CONTROL FOR ELECTRONIC BALLAST - A technique for providing control for an electronic ballast by responding to the current in the common bus (DC power rail) betweeen a boost circuit such as a power factor circuit (PFC) and an output (such as a high frequency (HF) inverter) circuit, and adjusting, changing or shutting down either the power factor control circuit or the inverter circuit when the power going into the inverter circuit is above a threshold. Power going into the inverter circuit may be measured by a resistor, and temperature compensation may be provided. Excess power indicative of a spark is detected in such a way that normal starting of a lamp load connected to the ballast occurs without triggering the change/shutdown but an external arc will trigger the change/shutdown. For example, the output circuit may be shut down and the external arc curtailed within 200 msecs. | 11-20-2014 |
Xingwei Wang, Lowell, MA US
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20090279099 | METHOD FOR FABRICATING A SENSOR, A SENSOR, AND A METHOD FOR SENSING - A method for fabricating a sensor, a sensor so fabricated, and a method for sensing a stimulus are provided. The method includes providing an elongated open channel, such as, a V-groove, in a substrate, the open channel providing a first surface; removing at least some material from at least a portion of the open channel to provide a second surface displaced from the first surface; positioning a diaphragm on the second surface; and positioning an elongated wave-guide having a beveled end in the elongated open channel wherein the beveled end is positioned over the diaphragm to define an interferometric cavity between the diaphragm and the outer surface of the wave-guide. The sensor so fabricated can provide an effective sensor for detecting acoustic emission waves, among other pressure waves. | 11-12-2009 |
Xingwei Wang, Shrewsburg, MA US
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20090190135 | CELL CULTURE HYDROGEL WITH pH INDICATOR - The invention provides devices, compositions and methods for maintaining conditions in a cell culture and for measurement of conditions in the cell culture. In particular, the invention provides hydrogel materials, apparatus and methods for several non-invasive techniques of maintaining glucose and pH levels in cell cultures at near-optimal levels and the non-invasive measurement of pH levels in cell cultures. | 07-30-2009 |
Xingwei Xu, Beijing CN
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20150030255 | METHOD AND APPARATUS FOR CLASSIFYING PIXELS IN AN INPUT IMAGE AND IMAGE PROCESSING SYSTEM - The present disclosure relates to a method and apparatus for classifying pixels in an input image and image processing system. The apparatus includes a first confidence determination unit configured for determining a first confidence of each of the pixels in the input image belonging to each of a plurality of predetermined classes; a detection unit configured for acquiring, by using a detector for detecting a particular class among the plurality of predetermined classes, detection results used to indicate pixels which belong to the particular class; an updating unit configured for updating the first confidences according to the detection results; and a class determination unit configured for determining the class to which each of the pixels in the input image belongs among the plurality of predetermined classes, according to the updated first confidences. | 01-29-2015 |
Xingwei Yang, Clifton Park, NY US
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20140185912 | Methods and Systems for Enhanced Automated Visual Inspection of a Physical Asset - A computer-implemented system for enhanced automated visual inspection of a physical asset includes a visual inspection device capable of generating images of the physical asset and a computing device including a processor and a memory device coupled to the processor. The computing device includes a storage device coupled to the memory device and coupled to the processor. The storage device includes at least one historic image of the physical asset and at least one engineering model substantially representing the physical asset. The computing device is configured to receive, from a present image source, at least one present image of the physical asset captured by the visual inspection device. The computing device is configured to identify at least one matching historic image corresponding to the at least one present image. The computing device is configured to identify at least one matching engineering model corresponding to the at least one present image. | 07-03-2014 |
Xingwei Zhang, Beijing CN
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20120243440 | METHOD FOR FEEDING BACK CHANNEL STATE INFORMATION AND DETERMINING COORDINATED MULTI-POINT MODE AND DEVICE - A method for feeding back channel state information and determining a coordinated multi-point mode and a device are disclosed. The method for feeding back channel state information includes: obtaining multiple pieces of channel state information of multiple cells in a coordinated multi-point mode; and selecting the preset quantity of pieces of irrelevant channel state information from the multiple pieces of channel state information, and feeding back the selected channel state information to a corresponding network side device. | 09-27-2012 |
20120314613 | METHOD FOR REPORTING AND OBTAINING CHANNEL STATE INFORMATION, ENODEB, AND USER EQUIPMENT - A method for reporting and obtaining channel state information, an eNodeB, and a user equipment are disclosed. The method for reporting channel state information includes: determining a reported content in channel state information (CSI) of downlink component carriers according to priorities of contents-in-CSI, where the CSI of the downlink component carriers includes the reported content and a content that is not to be reported; and reporting the reported content to an eNodeB on a physical uplink control channel (PUCCH). By determining a reported content in CSI according to a priority, the shortage of a CSI reporting resource may be relieved. | 12-13-2012 |
20120327785 | METHOD FOR REPORTING AND OBTAINING CHANNEL STATE INFORMATION, ENODEB, AND USER EQUIPMENT - A method for reporting and obtaining channel state information, an eNodeB, and a user equipment are disclosed. The method for reporting channel state information includes: determining a reported content in channel state information (CSI) of downlink component carriers according to priorities of contents-in-CSI, where the CSI of the downlink component carriers includes the reported content and a content that is not to be reported; and reporting the reported content to an eNodeB on a physical uplink control channel (PUCCH). By determining a reported content in CSI according to a priority, the shortage of a CSI reporting resource may be relieved. | 12-27-2012 |
20140023028 | POWER CONTROL METHOD, USER EQUIPMENT, AND BASE STATION - Embodiments of the present invention disclose a power control method, a user equipment, and a base station. The method according to an embodiment of the present invention includes the following: a user equipment UE receives a transmitter power control TPC command sent by a base station, where the TPC command is used to indicate a power adjustment value of one carrier; and if the UE does not send a physical uplink control channel PUCCH in a previous uplink subframe of a current uplink subframe of the one carrier, performing, by the UE, according to a PUCCH transmit power used when the UE sends a latest PUCCH from among multiple carriers and the power adjustment value, TPC accumulation to obtain an updated PUCCH transmit power of the one carrier, where the multiple carriers include the one carrier. | 01-23-2014 |
20140050169 | METHOD FOR ACTIVATING OR DEACTIVATING EXTENDED CARRIER, AND BASE STATION - A method for activating or deactivating an extended carrier and a base station are disclosed, and relate to the field of radio communications. The method includes: configuring an extended carrier of an independent carrier for a user equipment, where the extended carrier includes at least one of an adjacent extended carrier of the independent carrier and a non-adjacent extended carrier of the independent carrier; and activating or deactivating the extended carrier by using a bit in an original MAC CE and/or an extended MAC CE and corresponding to an index of the extended carrier. The base station includes a configuring module and an activating or deactivating module. | 02-20-2014 |
20140314014 | UPLINK TRANSMISSION POWER CONTROL METHOD AND USER EQUIPMENT - An uplink transmission power control method and a user equipment are provided, where the method includes: determining, by a UE, whether uplink channels are simultaneously transmitted over adjacent subframes between multiple carriers; where the adjacent subframes between the multiple carriers are partially overlapped; and timing advance values of the multiple carriers are different; and if uplink channels are simultaneously transmitted over adjacent subframes between multiple carriers, processing, by the user equipment, an uplink channel transmitted over the last symbol on a partially overlapped subframe of another carrier except a carrier having the greatest timing advance value, so that total transmission power of the uplink channels is lower than the maximum transmission power or an interference level of the user equipment. | 10-23-2014 |
20150163750 | METHOD AND APPARATUS FOR CONTROLLING UPLINK POWER OF USER EQUIPMENT IN CARRIER AGGREGATION SCENARIO - The present invention provides a method and an apparatus for controlling uplink power of a user equipment, where the method includes: separately acquiring first maximum transmit power of the user equipment corresponding to a first subframe and second maximum transmit power of the user equipment corresponding to a second subframe; and when the first maximum transmit power and the second maximum transmit power are different, using a minimum value of the first maximum transmit power and the second maximum transmit power as first configured maximum transmit power, and performing power control over transmit power of multiple carriers in an overlap region according to the first configured maximum transmit power, so that total transmit power of the multiple carriers in the overlap region after the power control is lower than or equal to the minimum value of the first maximum transmit power and the second maximum transmit power. | 06-11-2015 |
20150180631 | Method and Apparatus for Transmitting Reference Signal in Device-to-Device (D2D) Communication - A method and an apparatus for transmitting information in device-to-device (D2D) communication are provided, where the method includes determining, by a first user equipment, in a communication resource for D2D communication, a target resource used to bear a reference signal (RS), where the target resource is according to characteristic information used in selecting the target resource, and the characteristic information used in selecting the target resource includes at least one of the following two items: characteristic information used to uniquely identify the first user equipment, and characteristic information used to uniquely identify a second user equipment that performs D2D communication with the first user equipment; and transmitting, by the first user equipment, the RS to the second user equipment using the target resource. | 06-25-2015 |
Xingwei Zhang, Shenzhen CN
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20140321389 | METHOD, DEVICE AND SYSTEM FOR CONTROLLING UPLINK CHANNEL POWER - A sending parameter of a preamble is compared with at least one preset parameter threshold to obtain a comparison result. A channel priority is determined in accordance with the comparison result. When a plurality of uplink channels are required for simultaneous transmission, the transmitting powers of the plurality of uplink channels is determined in accordance with the channel priority; and the plurality of uplink channels comprising a PRACH. This scheme adopts an unfixed strategy for the ranking of the PRACH in the channel priority, and determines the ranking of the PRACH in the channel priority by comparing the sending parameter of the preamble with a preset parameter threshold or receiving a signaling from a base station. | 10-30-2014 |
20150201406 | METHOD AND DEVICE FOR D2D COMMUNICATION - The present invention discloses a method for D2D communication. The method includes carrying control information and data information, to be sent, in a physical resource block, wherein the physical resource block comprises M OFDM symbols in the time domain and N subcarriers in the frequency domain. The control information comprises at least one of MCS, RV, and NDI, at least one of the MCS, the RV, and the NDI being mapped onto an RE in a high frequency part of the physical resource block. The data information is mapped onto a blank RE in the physical resource block excluding the RE onto which the control information is mapped. The method also includes sending the physical resource block to a target user equipment on a D2D communication link. Spectral efficiency and data transmission rate can be improved by reasonably configuring an uplink physical channel of D2D communication. | 07-16-2015 |