Patent application number | Description | Published |
20110148430 | METHOD AND APPARATUS FOR FAULT IDENTIFICATION IN A POWER TANSMISSION LINE - A method and apparatus for fault identification in a transmission line are provided. The method may include measuring at an end of the transmission line when the transmission line has a fault to obtain a measured signal g(t), comparing the measured signal g(t) with a predefined standard signal f(t), the predefined standard signal f(t) having beat frequency characteristic; and identifying that the fault is a transient fault if the measured signal g(t) matches the predefined standard signal f(t) according to a result of the comparison, or the fault is a permanent fault if the measured signal g(t) does not match the predefined standard signal f(t) according to the result of the comparison. | 06-23-2011 |
20110163614 | METHOD AND SYSTEM FOR REARRANGING SOUND CONDUCTORS IN PARALLEL LINES IN POWER TRANSMISSION - A method and a system for rearranging sound conductors included in parallel lines in power transmission are provided. The parallel lines include at least a first line (L | 07-07-2011 |
20110166720 | FAST POWER SWING UNBLOCKING METHOD AND APPARATUS FOR DISTANCE PROTECTION IN POWER SYSTEM - The present invention discloses a fast power swing unblocking method and apparatus for a distance protection in a power system, which is able to ensure fast phase-segregated tripping of distance protection for faults during a power swing (3-phase or 2-phase swing). The power swing unblocking method in a power system according to the present invention comprises calculating changing rates of impedances for all operating loops of the distance protection in the power system; and determining a fault loop based on the calculated changing rates. If there is a fault loop, a blocked distance zone for the fault loop is unblocked. Before calculating the changing rates, whether the power system is under a power swing is checked and a distance zone that might mal-operate under the power swing is blocked if it is checked that the power system is under the power swing. By applying this invention, the performance of the distance protection during power swings can be improved, and the distance protection can ensure faster and phase-segregated operation, which are very beneficial for the system reliability. | 07-07-2011 |
20110188159 | METHOD AND DEVICE FOR SUPERVISING SECONDARY CIRCUIT OF INSTRUMENT TRANSFORMER IN POWER SYSTEM - A method and a protection IED for supervising a secondary circuit of an instrument transformer in a power system are disclosed. The instrument transformer is connected to a power system component. The method includes: detecting, by a protection IED which is connected to the secondary circuit of the instrument transformer and protects the power system component, disturbances in a signal from the instrument transformer; and determining whether a failure occurs in the secondary circuit of the instrument transformer, according to both a disturbance detection result from the protection IED and another disturbance detection result from at least one of other protection IEDs. The other protection IEDs include protection IEDs which are connected to other secondary circuits of the instrument transformer or to secondary circuits of another instrument transformer connected to the power system component, and protection IEDs which are connected to other instrument transformers connected to other power system components connected to the same busbar as the power system component is connected to. The secondary circuit supervision solutions provide more reliable and sensitive performance and need very small amount of information to be collected. | 08-04-2011 |
20110286361 | Method for Detecting Network Asymmetrical Status and Asymmetrical Communication Channels for Power System - The present invention provides a new synchronization method named Multi-Node Echo Method (MNEM), which settles the problem of clock/data synchronization with asymmetrical channels. In MNEM, the echo messages are relayed among multi-node loop both by clockwise and anti-clockwise. Based on Multi-Node Echo Method, the invention further provides a method to detect symmetrical status of a communication network, a method to detect asymmetrical status of any channel in a communication network, and a method to calculate the sending and receiving delay values of any channel in a communication network, even when the channel is asymmetrical. | 11-24-2011 |
20120095707 | Method for Identifying Type of Fault on Power Line - A method for identifying the type of faults occurred on a power line, characterized in that it comprises: calculating a fault point voltage on fault points based on terminal voltage and fault locations of the power line; adopting the fault point voltage corresponding to a maximum transition resistance as a setting value; comparing the fault point voltage on fault points with the setting value; and identifying the type of fault as a permanent type or a transient type based on the result of the comparison. | 04-19-2012 |
20120147941 | Method and Apparatus for Detecting Communication Channel Delay Asymmetry - The invention provides a method and apparatus for detecting communication channel delay asymmetry between transmission line protection devices. The method comprises: calculating, repeatedly, clock disparity between clocks of the protection devices and communication delays at different paths of the communication channel; comparing the latest calculated clock disparity and communication delays with previously calculated clock disparities and communication delays, respectively; determining a channel switching has happened if a change of the calculated clock disparity exceeds a first threshold, or a change of the calculated communication delays for any path exceeds a second threshold; and determining the channel delays as asymmetrical if a difference between the calculated communication delays of the different paths after the channel switching exceeds a third threshold. | 06-14-2012 |
20120206149 | Method and Apparatus for Ground Distance Protection - The invention relates to a ground distance protection method, which comprises: measure local source impedance based on fault component at both ends (M, N) of the transmission line in the case of a ground distance fault has occurred. Send the measured local source impedance from a first end to a second end. Adjust a protection criterion at the second end based on the measured impedance. And, judge the ground fault as an internal fault or an external fault according to the adjusted protection criterion. The invention also relates to a controller, a piece of software and an apparatus for implementing the same function. | 08-16-2012 |
20130181755 | SYNCHRONIZATION METHOD FOR CURRENT DIFFERENTIAL PROTECTION - A synchronization method for current differential protection comprises: selecting a point on the transmission line protected by the current differential protection; measuring the current and the voltage of each of the terminals of said transmission line; calculating the compensating voltage at the selected point respectively according to the measured current and the voltage of the each terminal; detecting and calculating the synchronization error by comparing all the compensating voltages. | 07-18-2013 |
20140120271 | METHOD FOR FORMING MICROELECTRODE-PAIR ARRAYS ON SILICON SUBSTRATE SURFACE WITH HYDROPHOBIC SILICON PILLARS - Provided is a method of forming large-area directionally aligned nanowires on a silicon wafer surface with hydrophobic silicon pillars so as to form microelectrode-pair arrays, which belongs to the field of electronic circuit. The method includes grafting fluoroalkylsilane on the surface of a silicon wafer with hydrophilic silicon pillar arrays; increasing the contact angle between the surface of the hydrophilic silicon pillar arrays and water from 10° to 150° above and obtaining the silicon wafer with hydrophobic silicon pillar arrays; driving water solution containing materials used for forming nanowires to flow across the surface with the hydrophobic silicon pillar arrays uniformly, so that directionally aligned nanowires are formed on the tops of each two adjacent silicon pillars in the hydrophobic silicon pillar arrays; each of the nanowires connects the two adjacent silicon pillars together so as to form a microelectrode-pair, and a plurality of microelectrode-pairs constitute the microelectrode-pair arrays. | 05-01-2014 |
20150160297 | METHOD FOR IDENTIFYING THE FAULT BY CURRENT DIFFERENTIAL PROTECTION AND DEVICE THEREOF - The present invention discloses a method for identifying the fault by current differential protection and a device thereof. The method comprises: measuring the full component currents of the two terminals of a two-terminal line system and calculating the corresponding fault component current vectors; obtaining an operate value by calculating a first difference between an absolute value of the sum of the fault component current vectors and I | 06-11-2015 |
Patent application number | Description | Published |
20120106947 | METHOD FOR MONITORING FIBER LINE STATE, REPEATER, SUBMARINE CABLE SYSTEM - The present invention relates to communications technologies, and discloses a method for monitoring the state of a fiber line, a repeater, and a submarine cable system. The repeater includes a first optical amplifier (OA), a second optical amplifier, a first gating unit, a second gating unit, a first coupler, a second coupler, a third coupler, and a fourth coupler. The first coupler, the fourth coupler, and the first gating unit form an in-to-in loopback path between the input end of the first OA and the input end of the second OA; and the second coupler, the third coupler, and the second gating unit form an out-to-out loopback path between the output end of the first OA and the output end of the second OA. | 05-03-2012 |
20150371595 | GAMMA VOLTAGE GENERATING APPARATUS, GRAY SCALE VOLTAGE GENERATING APPARATUS AND DISPLAY DEVICE - The present invention provides a gamma voltage generating apparatus, comprising: a standard gamma voltage output unit for outputting a plurality of standard gamma voltage values, and a plurality of DACs connected with the standard gamma voltage output unit, wherein, the precisions of at least part of the plurality of DACs are different from those of the other DACs so that when different standard gamma voltage values are input to the plurality of DACs respectively, regulations of the actual gamma voltages output by the plurality of DACs respectively are in a predetermined range. The gray scale voltage generating apparatus according to the present invention comprises the gamma voltage generating apparatus. The display device according to the present invention comprises the gray scale voltage generating apparatus. | 12-24-2015 |
Patent application number | Description | Published |
20110103707 | PROCESSING A SUPER-RESOLUTION TARGET IMAGE - In a method of processing a super-resolution target image from a plurality of substantially low resolution auxiliary frames, the target image is partitioned into a plurality of adaptively sized blocks, which are sized based upon registration confidence levels of the blocks obtained from information contained in the plurality of auxiliary frames. The blocks are classified into a plurality of different categories according to one or both of their respective registration confidence levels and their respective variance levels. In addition, separate enhancement modes designed to enhance the blocks are selected according to their respective classifications and applied on the blocks to enhance the target image. | 05-05-2011 |
20140023341 | Annotating General Objects in Video - A method for annotating general objects contained in video content is provided. The method sends video data to a client device and receives a first annotation from the client device defining a boundary around a portion of a first frame of the video data. Then, the first annotation is tracked through multiple frames of the video content. Other annotations determined to be associated with annotation that match the first annotation within a threshold are determined where the other annotations are received from other client devices and located in the first frame or other frames from the first frame. The method combines the other annotations and the first annotation into an object track and associates a tag with the object track. The tag is input by at least one of the client devices. | 01-23-2014 |
20140132833 | Combining Multiple Screens from Multiple Devices in Video Playback - In one embodiment, a method determines multiple screens of multiple mobile computing devices should be combined in playback of a video. A first mobile computing device receives the video and determines device characteristics based on a positioning of the first mobile computing device in relation to a second mobile computing device. Playback characteristics are determined based on the device characteristics. Then, the first mobile computing device renders a first portion of the video on a first screen based on the playback characteristics where a second portion of the video is rendered on a second screen of the second mobile computing device. | 05-15-2014 |
20150095938 | Queue to Display Additional Information for Entities in Captions - In one embodiment, a method receives a video for a media program and a set of captions for a dialog in the video. A media player plays the video. A time associated with playing of the video is determined and then the method determines a set of entities in relation to the time. The set of entities are included in one or more captions in the set of captions. The method displays the set of entities in a queue where the set of entities are associated with additional information for each respective entity in the set of entities. | 04-02-2015 |
20150365729 | Personalized Generation of Watch List of Shows in a Video Delivery System - Particular embodiments provide a watch list of shows to users. The watch list is personalized for each user. Also, the watch list is dynamically organized to predict an order the user will want to watch the shows. Particular embodiments analyze historical user behavior with respect to the timing for recurring releases of the episodes for shows to determine the order of the shows in the watch list. The watch list is organized in a way that a user may select a “watch all” button where unseen episodes for the shows in the watch list are all played to the user in an order that is predicted to be the order in which the user would want to watch the shows. Providing the watch all button makes it important to predict the order of the shows accurately. | 12-17-2015 |
Patent application number | Description | Published |
20120083931 | METHOD AND APPARATUS FOR JUDGING AN UNNECESSARY WINDWARD CONDITION AND METHOD AND SYSTEM FOR TRACKING WIND - The present invention relates to a method and apparatus for judging an unnecessary windward condition and a method and system for tracking wind, wherein the method comprises: taking a first wind sample by using a wind sampling-detecting unit, detecting and obtaining a wind direction thereof; judging whether an intersection angle between the first wind direction and a current wind turbine orientation is smaller than a critical angle of rotation; if “yes”, determining the windward condition is unnecessary windward condition; if “no”, detecting a wind speed of the first wind sample, judging whether the detected wind speed is lower than a first critical wind speed; if “yes”, determining the windward condition is unnecessary windward condition; if “no”, determining the windward condition is not unnecessary windward condition, then rotating the cabin of the wind power generating set, thereby achieving accurate windward according to a wind condition, a cabin position, and so on. | 04-05-2012 |
20120133135 | WIND TURBINE GENERATOR SYSTEM VIBRATION DETECTING DEVICE AND METHOD - A wind turbine generator system vibration detecting device and method are provided. The device comprises: a plurality of vibration sensors arranged on components of a wind turbine generator systems; at least one vibration switch arranged on a nacelle of the wind turbine generator system to detect a vibration signal of the nacelle and sends a fault signal to a control module if the detected vibration signal is larger than a turn-on threshold of the vibration switch; a vibration estimating module connected with the vibration sensors for processing vibration signals generated by the vibration sensors according to preset weighted values and a weighted formula in order to acquire a vibration state data, and comparing the vibration state data with a preset fault value and sending the fault signal to the control module if the vibration state data is not less than the fault value in accordance with the comparison. | 05-31-2012 |
20120193915 | REACTIVE VOLTAGE CONTROL SYSTEM AND METHOD FOR WIND POWER FIELD OF DOUBLE-FED WIND POWER-GENERATING UNIT - The invention provides a reactive voltage control system and method for wind power field of double-fed wind power-generating unit. The system comprises dispatching center equipment, a power management module for the wind power field and a plurality of controllers for the double-fed wind power-generating unit, wherein the dispatching center equipment is used for calculating a reactive power set value of the wind power field; the power management module for the wind power field is used for distributing the reactive power set value in the wind power field; and the controllers for the double-fed wind power-generating unit are used for controlling corresponding double-fed wind power-generating unit to perform reactive power compensation. According to the reactive voltage control system and the reactive voltage control method for the wind power field of the double-fed wind power-generating unit, the reactive output capability of the double-fed wind power-generating unit can be fully exerted. | 08-02-2012 |
Patent application number | Description | Published |
20100282436 | ABSORPTIVE HEAT PUMP SYSTEMS AND HEATING METHOD - The present invention relates to an absorptive heat pump circulation systems and heating method. According to the present invention, an absorption heat pump circulation system comprises: a generator, equipped with a heat exchanger; an evaporator, equipped with a driving heat source; an absorber, equipped with a heat exchanger; and an absorbent crystallizer. An absorption solution entrance of the crystallizer is connected to an absorption solution exit of the absorber and a crystallized absorption solution exit of the crystallizer is connected to an absorption solution entrance of the generator, and a crystal output of the crystallizer is connected to an absorption solution Entrance of the absorber; The heat exchanger of the generator and the heat exchanger of the absorber are connected to form a thermal cycling loop, which transfers the absorption heat generated by the absorber to the generator. Since the absorbent crystallizer is provided, and the heat generated by the absorber is provided to the generator directly through the thermal cycling loop, then the external driving heat source required by the generator in the traditional absorption heating circulation system is essentially saved, so that the coefficient of performance is significantly improved. The present invention extensively applies to the utilization of excess heat at a low temperature as well as energy-saving and emission-reducing in the fields such as chemical industry, food industry, sewage treatment, sea water desalination and so on. | 11-11-2010 |
20110132008 | ABSORPTION HEAT PUMP SYSTEMS AND METHODS FOR IMPROVING ENERGY GRADE OF LOW TEMPERATURE WASTE HEAT - An absorption heat pump system and a method for increasing the energy grade using the excess heat at a low temperature are provided. The absorption heat pump system comprises a heat pump generator ( | 06-09-2011 |
20110214435 | HEAT PUMP CYCLE SYSTEM AND METHOD OF PROVIDING COMBINED COOLING AND HEATING SUPPLY - A heat pump cycle system and a method for providing combined cooling and heating supply are disclosed. The heat pump cycle system comprises a working medium reservoir, an absorbing solution reservoir, and a compression heat pump. The upper portions of the working medium reservoir and the absorbing solution reservoir are connected by a gas passage. The compression heat pump comprises a compressor, a condenser, a throttle valve and an evaporator, all of which are connected by a steam pipeline accordingly. The working medium reservoir contains a working medium and further comprises a first heat exchanger, and the evaporator. The absorbing solution reservoir contains an absorbing solution and further comprises a second heat exchanger and the condenser. The system utilizes electricity during the electricity consumption trough, to operate the compression heat pump cycle during the reproducing process. | 09-08-2011 |
Patent application number | Description | Published |
20110319423 | NOVEL DOPAMINE D3 RECEPTOR LIGANDS AND PREPARATION AND MEDICAL USES OF THE SAME - The present invention relates to a novel piperazine derivative represented by Formula I having an activity for regulating dopamine D3 receptor, stereoisomers thereof, pharmaceutically acceptable salts or solvates, and a pharmaceutical composition comprising the compound, a process for preparing the same, and use thereof in the prevention or treatment of a disease associated with central nervous system dysfunction, such as Parkinson's disease, schizophrenia, drug addiction and relapse, as well as kidney protection and immunoregulation, or as a tool for researching D3R function or diseases associated with D3R dysfunction. | 12-29-2011 |
20140329831 | NOVEL DOPAMINE D3 RECEPTOR LIGANDS AND PREPARATION AND MEDICAL USES OF THE SAME - The present invention relates to a novel piperazine derivative represented by Formula I having an activity for regulating dopamine D3 receptor, stereoisomers thereof, pharmaceutically acceptable salts or solvates, and a pharmaceutical composition comprising the compound, a process for preparing the same, and use thereof in the prevention or treatment of a disease associated with central nervous system dysfunction, such as Parkinson's disease, schizophrenia, drug addiction and relapse, as well as kidney protection and immunoregulation, or as a tool for researching D3R function or diseases associated with D3R dysfunction. | 11-06-2014 |
Patent application number | Description | Published |
20140104493 | PROACTIVE VIDEO FRAME DROPPING FOR HARDWARE AND NETWORK VARIANCE - A method and system for proactively dropping video frames are disclosed. The method includes: recording, by a computer, a video frame capture timestamp for a video frame that is captured at a first device; associating, by the computer, the video frame capture timestamp to the video frame that is captured; comparing, by the computer, the video frame capture timestamp with a video frame target timestamp for the video frame; and based on the comparing, if a time difference between the video frame capture timestamp and the video frame target timestamp is outside of a predetermined range of time values, then dropping, by the computer, the video frame. | 04-17-2014 |
20140160227 | RATE CONTROL FOR A COMMUNICATION - Methods and systems for communicating with rate control. A communication is sent and received from a first device to a second device over a network, wherein the communication comprises at least one audio stream and a second communication stream. A capacity of the network is probed at the first device for the sending and receiving the communication. A presence of a voice in the at least one audio stream is detected at the first device via a voice activity detection of the at least one audio stream. A rate limit is set for the sending and receiving the communication at the first device based on the capacity of the network and the detection of the presence of the at least one audio stream. | 06-12-2014 |
20140192825 | JOINT RETRANSMISSION AND FRAME SYNCHRONIZATION FOR ERROR RESILIENCE CONTROL - A method for controlling error resilience in network communication is described. The method includes: determining, by a receiver-side controller, a packet gap representing a packet loss of a packet being communicated over a network; projecting, by the receiver-side controller, a retransmission time-out for at least one missing packet of the packet loss; issuing, by the receiver-side controller, a retransmission request for the at least one missing packet; if the packet gap is not filled within a first time period of the retransmission time-out, then issuing, by the receiver-side controller, at least one synchronization frame request; and selecting, by a sender-side controller, to respond to at least one of either of the retransmission request or the at least one synchronization frame request and neither of the retransmission request nor the at least one synchronization frame request. | 07-10-2014 |
20150117191 | RATE CONTROL FOR A COMMUNICATION - Methods and systems for communicating with rate control. A communication is sent and received from a first device to a second device over a network, wherein the communication comprises at least one audio stream and a second communication stream. A capacity of the network is probed at the first device for the sending and receiving the communication. A presence of a voice in the at least one audio stream is detected at the first device via a voice activity detection of the at least one audio stream. A rate limit is set for the sending and receiving the communication at the first device based on the capacity of the network and the detection of the presence of the at least one audio stream. | 04-30-2015 |
20150156008 | JOINT RETRANSMISSION AND FRAME SYNCHRONIZATION FOR ERROR RESILIENCE CONTROL - A method for controlling error resilience in network communication is described. The method includes: determining, by a receiver-side controller, a packet gap representing a packet loss of a packet being communicated over a network; projecting, by the receiver-side controller, a retransmission time-out for at least one missing packet of the packet loss; issuing, by the receiver-side controller, a retransmission request for the at least one missing packet; if the packet gap is not filled within a first time period of the retransmission time-out, then issuing, by the receiver-side controller, at least one synchronization frame request; and selecting, by a sender-side controller, to respond to at least one of either of the retransmission request or the at least one synchronization frame request and neither of the retransmission request nor the at least one synchronization frame request. | 06-04-2015 |
Patent application number | Description | Published |
20110306639 | HYDROCARBYLIDENE NITROHYDROZINECARBOXIMIDAMIDES AND A METHOD FOR MAKING THE SAME, AS WELL AS THEIR USES AS AN INSECTICIDE - The present invention discloses hydrocarbylidene nitrohydrozinecarboximidamides and the use thereof as well as a method for making the same. The structural general formula of the compounds are shown in formula I, wherein, R1 is C1-C10 saturated and/or unsaturated aliphatic hydrocarbonyl, benzyl, substituted benzyl, halogenated picolyl, halogenated thiazolyl methyl, tetrahydrofuryl methyl or oxazolyl methyl; R2 is hydrogen, C1-C5 saturated and/or unsaturated aliphatic hydrocarbonyl, phenyl, substituted phenyl, pyridyl or substituted pyridyl; R3 is hydrogen, C1-C10 saturated and/or unsaturated aliphatic hydrocarbonyl, furyl, phenyl, substituted phenyl, benzyl or substituted benzyl. The tests of insecticidal activity show that the hydrocarbylidene nitrohydrozinecarboximidamides shown by formula (I) have high preventive efficiency against insect pests of plants, such as aphid, plant hopper, cotton bollworm, asparagus caterpillar, and the like, and can be used as plant insecticides. | 12-15-2011 |
Patent application number | Description | Published |
20120300709 | METHOD OF AND APPARATUS FOR MAPPING TO DEMODULATION REFERENCE SIGNAL PORT - A demodulation reference signal port mapping method is disclosed. The method includes: a base station communicates with a User Equipment (UE), and allocates corresponding data stream to the UE according to the attribution of the UE; the base station maps the corresponding data stream from a layer to a corresponding demodulation reference signal port; the base station transmits the corresponding data stream to the UE via demodulation reference signal port. By restricting the demodulation reference signal port mapping solution of rank=1 to rank=8 and the demodulation reference signal port mapping solution when the retransmission occurs, the technical solution enables the demodulation reference signal port mapping solution to compatible with the present system and to keep lower overhead of the demodulation reference signal. | 11-29-2012 |
20130044624 | METHOD AND APPARATUS FOR REPORTING CHANNEL STATE INFORMATION (CSI) BASED ON PHYSICAL UPLINK SHARED CHANNEL (PUSCH) - A method and apparatus for reporting channel state information (CSI) based on a physical uplink shared channel (PUSCH) are used to realize correct reporting of the CSI based on double code books. The method includes the following steps: a reporting mode configuration signaling for the CSI sent from a network side is received, and said reporting mode configuration signaling for the CSI at least carries a designated reporting mode identifier; a first CSI aiming at the whole bandwidth of a system is established according to a reporting type corresponding to said reporting mode identifier; the whole bandwidth of the system is divided into at least two frequency band subclasses, and a second CSI aiming at a designated frequency band subclass is established according to the reporting type corresponding to said reporting mode identifier; and when a reporting indication signaling sent from the network side is received, said first CSI and said second CSI are transmitted to the network side. Therefore, when a user equipment (UE) reports the CSI, a long-term/wideband CSI and a short-term/frequency selective CSI could be considered comprehensively, then a two-level feedback mechanism based on the PUSCH double code books is realized. | 02-21-2013 |
20130070634 | METHOD, SYSTEM AND APPARATUS FOR MEASURING INTERFERENCE - The invention relates to the technical field of wireless communications, and in particular to a method, system, and device for measuring interference, so as to solve the problem in the prior art that the precision of interference measured by a terminal is low if a cell adopts a Resource Element Muting (RE MUTING) solution. The method includes: a network side device determining configuration information of a first Resource Element (RE) group performing interference measurement ( | 03-21-2013 |
20130343216 | METHOD AND DEVICE FOR REPORTING CHANNEL STATE - There is disclosed method for reporting channel state so as to report channel state based upon CSI-RS. The method includes: a UE detecting configuration information of Channel State Information-Reference Signal (CSI-RS), determining according to detection result the number of ports required to report channel state based upon CSI-RS, the UE determining CSI-RS based PMI feedback scheme to be adopted in preset corresponding relationship between the number of ports and feedback scheme upon determining that the eNB is to map data of Physical Downlink Shared Channel (PDSCH) onto P (number) CSI-RS ports for transmission in a codebook-based precoding scheme, wherein the codebook-based precoding scheme is a scheme as represented in the formula of | 12-26-2013 |
20140016496 | METHOD AND DEVICE FOR REPORTING CHANNEL QUALITY INFORMATION - A method and a device for reporting channel quality information are provided by the present invention, the method comprising that: measuring, by a user equipment (UE), Channel State Information-Reference Signal (CSI-RS) according to the configuration information of the CSI-RS, to acquire a downlink channel transport matrix ( | 01-16-2014 |
20140029463 | METHOD FOR REPORTING CHANNEL QUALITY INFORMATION AND DEVICE THEREOF - Disclosed are a method for reporting channel quality information and a device thereof, the method comprising: according to configuration information of a CSI-RS, a user equipment measuring the CSI-RS to acquire a downlink channel transmission matrix; according to a PDSCH transmission scheme used as a basis when determining a Channel Quality Indicator (CQI), and according to the measured downlink channel transmission matrix, the user equipment determining the CQI of a frequency domain reporting unit; and the user equipment reporting the determined CQI to a network side. Through the present invention, the measurement and reporting of the channel quality information based on the CSI-RS is implemented based on transmission of non-PMI feedback. | 01-30-2014 |
20140307691 | INFORMATION TRANSMISSION METHOD, SYSTEM, AND DEVICE - Embodiments of the present application relate to the technical field of wireless communications, and particularly to an information transmission method, system, and device, used for implement transmission, within an OFDM symbol comprising a UERS, in a sending diversity manner. The information transmission method of the embodiment of the present invention comprises: a network-side device determining an OFDM symbol comprising a UERS; and within the OFDM symbol comprising the UERS, the network-side device sending information in a sending diversity manner by freeing up an available RE or adjusting the sending diversity manner. In the embodiments of the present application, the information can be transmitted in the OFDM symbol comprising the UERS in a sending diversity manner by freeing up a part of available REs or by adjusting the sending diversity manner, thereby improving the utilization ratio of resources. | 10-16-2014 |
20140313994 | METHOD AND DEVICE FOR TRANSMITTING DOWNLINK CONTROL INFORMATION - Disclosed in the invention are a method and a device for transmitting downlink control information (DCI). The method comprises: processing the downlink control information to generate downlink control information code words; scrambling and modulating the downlink control information code words in turn to generate a modulation symbol sequence; mapping the modulation symbol sequence to v data layers, wherein v is an integer which is more than or equal to 1; mapping modulation symbols on the v data layers to a demodulation reference signal (DMRS) antenna port; and mapping the modulation symbols on the DMRS antenna port to a physical antenna and sending to user equipment (UE). According to the method and the device of the invention, multi-layer data transmission can be supported, the transmission mode is more flexible, and transmission efficiency is higher. | 10-23-2014 |
20140369436 | PRECODING MATRIX INDICATOR (PMI) INFORMATION TRANSMISSION METHOD AND DEVICE - Disclosed are a precoding matrix indicator (PMI) information transmission method and device, for realizing the feedback and receiving of PMIs. The PMI information feedback method provided in the present application server includes: UE determining the feedback of a PMI and a feedback mode used for feeding back the PMI; the UE determining a rank indicator (RI) and a precoding matrix in a compressed precoding matrix set and determining an RI and first PMI combined coding information value according to a preset RI and first PMI combined coding information value and a correlation list of RIs and codebook indices; and the UE employing the feedback mode to send the determined RI and first PMI combined coding information value to a base station. | 12-18-2014 |
20150222335 | METHOD, SYSTEM AND DEVICE FOR FEEDING BACK AND RECEIVING PMI - The embodiments of the disclosure relate to the technical field of wireless communications, and particularly relate to a method, a system and a device for feeding back and receiving a Pre-coding Matrix Indicator (PMI), which is used for feeding back a vertical dimension PMI. The method for feeding back the PMI provided by the embodiments of the disclosure comprises: confirming the PMI needed to be fed back, wherein the PMI comprises a horizontal dimension PMI and a vertical dimension PMI, or a PMI combined by horizontal dimension and vertical dimension ( | 08-06-2015 |
20150280798 | METHOD, SYSTEM AND DEVICE FOR TRANSMITTING PRE-CODED INDICATION INFORMATION AND DETERMINING PRE-CODING MATRIX - An embodiment of the present application relates to the technical field of wireless communications, in particular to a method, system and device for transmitting pre-coded indication information and determining a pre-coding matrix. In the prior art, the existing codebook is designed for horizontal beamforming/pre-coding, and will reduce the performance thereof if directly applied in three-dimensional beamforming/pre-coding technique. The present application solves the problem. The method in the embodiment of the present application comprises: a user equipment (UE) determines and transmits first pre-coded indication information and second pre-coding indication information, the pre-coding matrix being equal to the function matrix of a first component pre-coding matrix and a second component pre-coding matrix, a sub-matrix on the diagonal of the first component pre-coding matrix being the Kronecker product of two diagonal matrixes, the second component pre-coding matrix being formed by a beam rotation vector equaling to the Kronecker product of two vectors. The embodiment of the present application improves the performance of the three-dimensional beamforming/pre-coding technique. | 10-01-2015 |
20150280875 | METHOD, DEVICE, AND SYSTEM FOR TRANSMITTING REFERENCE SIGNAL - The present invention relates to the technical field of radio communications, and specifically relates to a method, device, and system for transmitting a reference signal, for use in solving the problem in the prior art that vertical-dimension channel estimation cannot be supported and thus 3D beamforming is not supported. The method of embodiments of the present invention comprises: a network side determines a subframe ( | 10-01-2015 |
20150350942 | METHOD AND DEVICE FOR THREE-DIMENSIONAL CHANNEL MEASUREMENT RESOURCE CONFIGURATION AND QUALITY MEASUREMENT - Provided are a method and device for three-dimensional channel measurement resource configuration and quality measurement, which relate to the field of wireless communications and are used for solving the problem of how to perform three-dimensional channel quality measurement. In the present invention, a base station selects a channel quality measurement resource used for three-dimensional channel measurement from channel quality measurement resources preconfigured for a terminal, and sends indication information about the selected channel quality measurement resource to the terminal; the terminal receives the indication information, and performs three-dimensional channel quality measurement on corresponding channel quality measurement resources, thereby solving the problem of how to perform three-dimensional channel quality measurement. | 12-03-2015 |
Patent application number | Description | Published |
20110317629 | Transmission Scheme - In a transmission scheme for transmitting data over a connection connecting a transmitting Main Unit and a receiving Radio Unit of a cellular radio system, where the transmitted data corresponds to user-plane data in the form of digital baseband data for different antenna-carriers, the digital signal is transmitted over the connection, e.g. a fiber, before spreading and combining is provided. The power and weight factor is transmitted separately with a few additional bits. Hereby, the Digital signal before spreading and combining is transmitted in the fiber instead of the combined multi-code signal. | 12-29-2011 |
20120201176 | Method of and Equalizer for Equalizing a Radio Frequency Filter | 08-09-2012 |
20130070726 | Method And Arrangement In A Wireless Communication System - The present invention relates to a method and a device for time synchronization of an RBS which has lost its GPS signal. The method in the time synchronization device comprises retrieving from the first radio base station a first timing advance value ( | 03-21-2013 |
20140247745 | METHOD FOR CONTROLLING PERFORMANCE IN A RADIO BASE STATION ARRANGED FOR COMMUNICATION IN TDD MODE, AND RADIO BASE STATION - The present invention relates to a method for controlling performance in a radio base station communicating in a Time Division Duplex (TDD) mode in a cellular network. The radio base station has a transceiver comprising a transmitter part, a receiver part, and an antenna, the antenna being alternately connectable to the transmitter part and the receiver part. The method comprises: estimating, at the receiver part, a leakage signal in the receiver part, the leakage signal originating from a local oscillator of the transmitter part; and removing, at the receiver part, the estimated leakage signal from a received uplink signal. The present invention also relates to a corresponding radio base station. | 09-04-2014 |
20150111504 | CALIBRATION COUPLEING UNIT, CCU, AND A METHOD THEREIN FOR ENABLING CALIBRATION OF BASE STATION - A Calibration Coupling Unit, CCU, and a method therein for enabling calibration of a Base Station are provided. The CCU comprises an Antenna Interface Standards Group, AISG, interface and the CCU is connected to the Base Station by means of radio branch feeder cables carrying uplink and downlink transmissions to/from the Base Station. The Base Station comprises a Radio Unit, RU, and a Base Band Unit, BBU, and the CCU is further connectable to an antenna array comprising antenna elements. The method in the CCU comprises receiving ( | 04-23-2015 |
20150111515 | Method, Base Station and Apparatus in a Base Station for Reducing Intermodulation Distortion - A method in a base station is provided for reducing distortion of an uplink signal received in a receiver part ( | 04-23-2015 |
Patent application number | Description | Published |
20100044310 | METHOD, EQUIPMENT AND SPECIFIC DRAWER FOR MEMBRANE SEPARATION UTILIZING CONCENTRATION POLARIZATION - The present invention relates to a membrane separation method and a relevant equipment, in particular to a method and an equipment for membrane separation utilizing concentration polarization during membrane filtration process, especially, to a concentration process and equipment and a drawer special for drawing a concentration polarization layer. The direct removal of the concentration polarization layer from membrane surface not only decreases the adverse influence of concentration polarization on membrane separation but also obtains concentrated retention components, thereby significantly improving the ability to maintain membrane flux, solving the twinborn problems concerning concentration polarization and membrane fouling during the membrane separation process, and achieving a high-efficiency concentration for retention components. The method and equipment of the present invention can be widely applied in various membrane techniques, in particular in a membrane separation process for concentrating biomacromolecule and organic micromolecule products such as sugars, organic acids and polypeptides etc. | 02-25-2010 |
20100065500 | SUPER-MACROPOROUS POLYMERIC MICROSPHERES AND PREPARATION METHOD THEREOF - The invention provides a preparation method of super-macroporous polymeric microspheres and a product thereof. The method is characterized in that adding high content of surfactant into an oil phase containing a monomer and dispersing the oil phase containing the monomer and the surfactant into an aqueous phase. Super-macroporous microspheres are obtained by means of suspension polymerization. In the interior of the microspheres, 10-60% of the pores are distributed in a range of 500-900 nm. The microspheres have a particle diameter of 1-200 μm and a porosity of 30%-90%. The product is suitable for being used as a stationary phase matrix in liquid chromatography, a carrier for high performance catalysts and a high performance adsorbent, and especially, being used as a separation medium for separating biomacromolecules. | 03-18-2010 |
20100143259 | FLUORESCENT MICROSPHERES, THE PREPARATION METHOD AND USES THEREOF - The invention discloses the microspheres comprising the following structure in the composition thereof and the uses as tracers and fluorescent standard calibration products. | 06-10-2010 |
20120285889 | METHOD, EQUIPMENT AND SPECIFIC DRAWER FOR MEMBRANE SEPARATION UTILIZING CONCENTRATION POLARIZATION - The present invention relates to a membrane separation method and a relevant equipment, in particular to a method and an equipment for membrane separation utilizing concentration polarization during membrane filtration process, especially, to a concentration process and equipment and a drawer special for drawing a concentration polarization layer. The direct removal of the concentration polarization layer from membrane surface not only decreases the adverse influence of concentration polarization on membrane separation but also obtains concentrated retention components, thereby significantly improving the ability to maintain membrane flux, solving the twinborn problems concerning concentration polarization and membrane fouling during the membrane separation process, and achieving a high-efficiency concentration for retention components. The method and equipment of the present invention can be widely applied in various membrane techniques, in particular in a membrane separation process for concentrating biomacromolecule and organic micromolecule products such as sugars, organic acids and polypeptides etc. | 11-15-2012 |
20150104830 | AVIAN CELL LINE AND ITS USE IN PRODUCTION OF PROTEIN - The invention provides a process for generating an avian cell line of duck origin by a process comprising: —cultivating embryonic avian cells in cell culture medium, preferably comprising fetal calf serum (FBS) for more than 40 passages while reducing the concentration of FBS to 1-2% vol/vol FBS, —transferring passaged cells into cell culture medium having 0% FBS, —resulting in the generation of a non-embryonic avian cell line suitable for non-adherent growth, i.e. for growth in suspended culture. | 04-16-2015 |
Patent application number | Description | Published |
20130260693 | PROXIMATE BEACON IDENTIFICATION - Among other things, one or more techniques and/or systems are disclosed for identifying a proximate beacon to a mobile device. One or more first received signal strengths (RSSs), relative to the mobile device, may be received and used to determine a first average signal strength (RSS) and a first average RSS deviation for a first beacon during an observation period. An average RSS deviation for the observation period can be determined using the first average RSS deviation (e.g., and other average RSS deviations). If the average RSS deviation meets a desired deviation threshold, the first beacon may be identified as the proximate beacon. In this manner, if the user of the mobile device consents to the same, the user may be provided with relevant information (e.g., advertisements) on the mobile device while in a locale (e.g., store) corresponding to the (known) location of the beacon, for example. | 10-03-2013 |
20150031392 | PROXIMATE BEACON IDENTIFICATION - Among other things, one or more techniques and/or systems are disclosed for identifying a proximate beacon to a mobile device. One or more first received signal strengths (RSSs), relative to the mobile device, may be received and used to determine a first average signal strength (RSS) and a first average RSS deviation for a first beacon during an observation period. An average RSS deviation for the observation period can be determined using the first average RSS deviation (e.g., and other average RSS deviations). If the average RSS deviation meets a desired deviation threshold, the first beacon may be identified as the proximate beacon. In this manner, if the user of the mobile device consents to the same, the user may be provided with relevant information (e.g., advertisements) on the mobile device while in a locale (e.g., store) corresponding to the (known) location of the beacon, for example. | 01-29-2015 |