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30results about How to "Inefficient data transfer" patented technology
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Method, system and device for searching active peer in p2p streaming media system
ActiveUS20120151051A1Improve data transfer efficiencyLower latencyDigital computer detailsTransmissionDistributed computingPeer-to-peer
Disclosed is a method, system and device for searching active nodes in P2P(peer to peer) streaming media system. Selectable nodes briefly and efficiently report their own subblocks information to a tracker device, such as the number of the continuous buffered subblocks, the sequence number of the first subblock of the continuous subblocks and the total number information of the buffered subblocks; the tracker device can select suitable candidate nodes for a request node according to the subblocks information of the selectable nodes, therefore the request node can determine active nodes without sending a large amount of detections to the candidate nodes; the waste of communication resources is avoided and the bandwidth cost is reduced; also, the selectable nodes can report characters of the networks where they locate, and the tracker device can select nodes in wired network to be candidate nodes first, therefore, the transmission speed of the whole P2P system is improved and the waiting delay of the request node is reduced.
Owner:CHINA MOBILE COMM GRP CO LTD
Transmitter-receiver, and method for controlling transmission power of the same
InactiveUS6603980B1Inefficient data transferPower managementEnergy efficient ICTAudio power amplifierTransmitted power
Received quality detecting section 108 detects a received quality, bit determining section 111 determines whether a TPC bit is 0 or 1, amplitude reading section 112 reads a ratio of an amplitude of a signal other than the TPC bit and an amplitude of the TPC bit, accumulating section 113 determines an increase or decrease of transmit power and an amount of the increase and decrease of the transmit power using a symbol of the TPC bit for the increase or decrease, and an amplitude ratio for the amount of the increase and decrease to instruct to transmission amplifier 104, and multiplying section 114 multiplies the amplitude of the signal other than the TPC bit by a correction value corresponding to the received quality to determine the amplitude of the TPC bit.
Owner:PANASONIC CORP
I/O circuit and data transmission control method
ActiveUS20170163543A1Inefficient data transferEfficiently and fairly offer transmission priorityData switching networksElectric digital data processingComputer hardwareWaiting period
An I / O circuit includes buffers, a storage module, accumulators, timers, and an arbiter. Each buffer corresponds to a respective virtual channel. Each buffer corresponds to a respective token bucket, and outputs a normal transmission request according to the amount of tokens and an accumulating signal. The storage module stores a lookup table including a plurality of weightings. Each accumulator corresponds to a respective buffer, accumulates a data volume according to the corresponding weighting, and outputs the accumulating signal. Each timer corresponds to a respective buffer, times waiting period after the corresponding buffer outputs the normal transmission request, and outputs a time-out transmission request when the waiting period exceeds a predetermined period.The arbiter receives the time-out transmission requests and the normal transmission requests, and selects one of the buffers from all of the time-out transmission requests and the normal transmission requests.
Owner:VIA ALLIANCE SEMICON CO LTD
Communication apparatus and communication method
ActiveUS20060160496A1Inefficient data transferImprove reception qualitySpatial transmit diversityOrthogonal multiplexEngineeringDemodulation
Modulated signal A is transmitted from a first antenna, and modulated signal B is transmitted from a second antenna. As modulated signal B, modulated symbols S2(i) and S2(i+1) obtained from different data are transmitted at time i and time i+1 respectively. In contrast, as modulated signal A, modulated symbols S1(i) and S1(i)′ obtained by changing the signal point arrangement of the same data are transmitted at time i and time i+1 respectively. As a result the reception quality can be changed intentionally at time i and time i+1, and therefore using the demodulation result of modulated signal A of a time when the reception quality is good enables both modulated signals A and B to be demodulated with good error rate performances.
Owner:PANASONIC INTELLECTUAL PROPERTY CORP OF AMERICA
Optical access system and optical line terminal
InactiveUS20100104286A1Inefficient data transferImprove executionMultiplex system selection arrangementsOptical multiplexEngineeringData transmission
Provided is an optical access system comprising: an optical line terminal connected to another network; a plurality of optical network units, each connected to a user terminal; and at least one of an optical switching unit and an optical splitter, which is installed between the optical line terminal and the plurality of optical network units. The optical line terminal allocates a length of time to a discovery phase for detecting the plurality of optical network units, and a length of time to data transmission phases for transferring data from the plurality of optical network units; and changes a ratio of the length of time of the discovery phase to the length of time of the data transmission phases so that the length of time of the discovery phase is shortened in the case where a number of the optical network units that are registered in the optical line terminal increase.
Owner:HITACHI LTD
Packet control system and communication method
InactiveUS7321596B2Inefficient data transferTime-division multiplexStore-and-forward switching systemsPacket communicationControl system
Provided is a packet communication apparatus capable of instantly transmitting information requiring urgency without lowering data transfer efficiency even during a communication. The packet communication apparatus comprises first and second packetization sections 8 and 9 for converting signals transmitted from signal processing sections 2 and 7 to packets of predetermined forms, priority packet interleaving means 10 for interleaving the packet from the second packetization section 9 in the packet from the first packetization section 8 even during a transmission of the packet from the first packetization section 8 when the packet from the second packetization section 9 is input thereto, and a transmitter 3 for transmitting the packet output from the priority packet interleaving means 10 to a packet transmission communication medium 4.
Owner:THE FUJIKURA CABLE WORKS LTD
Kinematic measurement method and device for large multi-plate wave simulation system
ActiveCN106840110ATime consumingInefficient data transferHydrodynamic testingPicture taking arrangementsData transmissionImage analysis
The invention belongs to the field of image measurement, and provides a kinematic measurement method and device for a large multi-plate wave simulation system. When kinematic measurement is performed on a wave maker, a video camera is used for acquiring field images, a mark point on each wave making plate is recognized in an image processing plate, and a central position is calculated. The central position is compared with an initial position, and image shifting is calculated and transformed into displacement in a physical space according to calibration parameters. Next, data are transmitted to a computer by an EtherCAT network, and then the data are encoded and recognized. Finally, a kinematic measurement value and a target value of each wave making plate are compared and analyzed in the computer, so that kinematic information of the wave maker is acquired. The method sufficiently solves the problems of target recognition difficulty and kinematic tracking instability caused by non-uniform experimental field illumination in kinematic measurement of the wave maker, and solves the problems of large image analysis algorithm time consumption and low multi-camera system data transmission efficiency.
Owner:DALIAN UNIV OF TECH
Radio communication base station device and correlation setting method
ActiveUS20130003659A1Increase the number ofFacilitate communicationModulated-carrier systemsTransmission path divisionDecision unitTransmission Time Interval
Provided is a radio communication base station device which can suppress a use amount of an SRS communication resource. In this device, a correlation rule setting unit (102) sets a rule for correlating a preamble with an SRS transmission time interval so that the preamble transmission time band and the SRS transmission time band are in the same transmission time band. An SRS transmission band decision unit (103) decides a time interval of a transmission time band which can transmit the SRS according to the preamble transmission time interval inputted from a preamble transmission band decision unit (101) and the correlation rule setting unit (102).
Owner:GK BRIDGE 1
Method, system and device for searching active peer in P2P streaming media system
ActiveUS8762461B2Avoid wastingReduce bandwidth consumptionMultiple digital computer combinationsTransmissionDistributed computingPeer-to-peer
Disclosed is a method, system and device for searching active nodes in P2P(peer to peer) streaming media system. Selectable nodes briefly and efficiently report their own subblocks information to a tracker device, such as the number of the continuous buffered subblocks, the sequence number of the first subblock of the continuous subblocks and the total number information of the buffered subblocks; the tracker device can select suitable candidate nodes for a request node according to the subblocks information of the selectable nodes, therefore the request node can determine active nodes without sending a large amount of detections to the candidate nodes; the waste of communication resources is avoided and the bandwidth cost is reduced; also, the selectable nodes can report characters of the networks where they locate, and the tracker device can select nodes in wired network to be candidate nodes first, therefore, the transmission speed of the whole P2P system is improved and the waiting delay of the request node is reduced.
Owner:CHINA MOBILE COMM GRP CO LTD
Pixel drive circuit and display device
ActiveCN110706641AImprove switching performanceImprove the display effectStatic indicating devicesCapacitanceDisplay device
Owner:SHENZHEN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
Memory control device, semiconductor memory device, memory system, and memory control method
ActiveUS20120023338A1High strengthImprove data securityUnauthorized memory use protectionHardware monitoringEngineeringEmbedded system
A technique for improving data security is provided. To be specific, in a memory system including an information processing apparatus and a semiconductor memory device, the semiconductor memory device has an interface section that transmits, to the information processing apparatus, data read out from a memory core according to a plurality of communication protocols having different signal transmission / reception methods. Based on a switch command inputted from the information processing apparatus, a communication protocol selection section inputs, to the interface section, a selection signal for selecting a particular communication protocol from the plurality of communication protocols.
Owner:MEGACHIPS
Access control apparatus, data processing apparatus, access control method, and program
InactiveUS20110167184A1Improve data transfer efficiencyReduce processing loadMemory systemsEmbedded systemAccess control
Owner:SONY CORP
Delivered-bandwidth adjustment method and module, and dynamic bandwidth assignment device
ActiveUS20130094860A1Utilize bandwidthInefficient data transferMultiplex system selection arrangementsTime-division multiplexDynamic bandwidth assignmentData transmission
Embodiments of the present invention provide a delivered-bandwidth adjustment method and module, and a dynamic bandwidth assignment device. The method includes: obtaining a transmission container bandwidth; and adjusting a delivery cycle of a bandwidth delivery stage and a delivered bandwidth of each delivery cycle according to a preset set of bandwidth thresholds and the transmission container bandwidth, where the preset set of bandwidth thresholds include at least two bandwidth thresholds and a delivery cycle corresponding to each bandwidth threshold. Through the technical solutions in the embodiments of the present invention, the delivered bandwidth can be managed effectively, so as to improve the bandwidth utilization and the data transmission efficiency.
Owner:HUAWEI TECH CO LTD
Optical access system and optical line terminal
InactiveUS8380065B2Inefficient data transferImprove executionMultiplex system selection arrangementsOptical multiplexEngineeringData transmission
Provided is an optical access system comprising: an optical line terminal connected to another network; a plurality of optical network units, each connected to a user terminal; and at least one of an optical switching unit and an optical splitter, which is installed between the optical line terminal and the plurality of optical network units. The optical line terminal allocates a length of time to a discovery phase for detecting the plurality of optical network units, and a length of time to data transmission phases for transferring data from the plurality of optical network units; and changes a ratio of the length of time of the discovery phase to the length of time of the data transmission phases so that the length of time of the discovery phase is shortened in the case where a number of the optical network units that are registered in the optical line terminal increase.
Owner:HITACHI LTD
Communication Apparatus and Communication Method
ActiveUS20100142645A1Inefficient data transferImprove reception qualitySpatial transmit diversityAngle modulationEngineeringDemodulation
Owner:PANASONIC INTELLECTUAL PROPERTY CORP OF AMERICA
Resource assignment method for communication system adapted for change of channel
InactiveUS20090028102A1Inefficient data transferImprove estimation accuracyTransmission path divisionCriteria allocationMultiplexingCommunications system
A resource assignment method for a communication system provides a method to realize an estimate of channel with high accuracy for terminals which change channels rapidly. A resource assignment unit (102), supplied with channel information ISCL1 to NSCIN, determines assignment of resources to a first to a Nth terminals and outputs a resource assignment information SRA. A multiplex signal generating unit (103), supplied with the resource assignment information SRA, outputs a transmission signal STX. A resource selector (104), supplied with the channel information 1SCI1 to NSCIN and the relative position information SRP, determines the assignment of resources to the first to Nth terminals and outputs the resource assignment information SRA. A resource position generating unit (105), supplied with the resource assignment information SRA, calculates a relative position of an empty resource with respect to a multiplex position of a pilot signal and outputs the relative position information SRP.
Owner:NEC CORP
Method and related apparatus for outputting clock through a data path
InactiveUS20050052212A1Inefficient data transferElectric pulse generatorGenerating/distributing signalsLogical operationsDatapath
An output clock is provided by a logic module and at least one flip-flop based on a reference clock. Each flip-flop receives the reference clock at a corresponding clock end and changes a signal level outputted at a corresponding output port according to rising or falling edges within each period of the reference clock. The logic module performs a logic operation among signals at each output port of the flip-flops to generate the output clock synchronized with the reference clock. Thereafter the output clock can be outputted through the data path provided by the logic module, and additional logical operations can be performed between the output clock and other signals.
Owner:TIAN HLDG
Data fusion method and device, electronic equipment and computer readable medium
ActiveCN113992469AGuaranteed FusionIncrease data transmission pressureCharacter and pattern recognitionBus networksData setEngineering
The embodiment of the invention discloses a data fusion method and device, electronic equipment and a computer readable medium. A specific embodiment of the method comprises the following steps: acquiring a timestamp synchronization message sent by a timestamp broadcast node, the timestamp synchronization message comprising a message broadcast timestamp; in response to the received target data message sequence, determining a synchronization timestamp according to the receiving timestamp, the message broadcast timestamp and the receiving timestamp of the timestamp synchronization message corresponding to each target data message in the target data message sequence, and obtaining a synchronization timestamp sequence, a target data message in the target data message sequence being a data message sent by the target node; and generating a fusion data set according to the synchronization timestamp sequence and the target data message sequence. According to the embodiment, the data fusion success rate and the data transmission efficiency of the CAN bus are improved.
Owner:禾多科技(广州)有限公司
Removable memory device, phase synchronizing method, phase synchronizing program, medium recording the same, and host terminal
ActiveUS7886085B2Reduce the impactAccurate acquisitionSynchronisation information channelsSynchronisation signal speed/phase controlRemovable mediaPattern generation
An object of the present invention is to provide a technique to improve the data transmission efficiency which allows correct reception of the data at the same time. A removable memory device that transmits / receives data to and from a host terminal, which includes: a clock reception section that receives a transmission / reception clock, which is used for transmitting / receiving data between the host terminal and the removable memory device, from the host terminal; a phase synchronization pattern generation section that generates a phase synchronization pattern, which is for adjusting a phase of internal reception clock which the host terminal incorporates for receiving data from the removable memory device, based on the transmission / reception clock; and a transmission section that transmits the generated phase synchronization pattern to the host terminal, and in which the phase synchronization pattern includes a first level signal which lasts for at least two cycles, and a second level signal which follows the first level signal and lasts for one cycle, is provided.
Owner:PANASONIC CORP
Sampling data transmitting/receiving method and device
InactiveCN1216479CInefficient data transferReduce complexityElectrophonic musical instrumentsHybrid switching systemsTime markDBc
In order to transmit and receive sample data of different sampling frequencies collectively, the first row of a packet is composed of four bytes and the first and second rows are provided with headers prescribed by the IEEE1394 standard. Also, the second byte in the third row is provided with the first counted value of a data block counter and a fourth byte is provided with a next to the last counted value (DBC) of the data block counter. Further, latter half two bytes in the fourth row are provided with a value of a reference time (time stamp data). The first two bits in the fifth row are provided with values showing recording media, the fourth bits are provided with flags showing sampling frequencies, the seventh and eighth bits are provided with values showing quantized bit numbers, and the second three bytes and after are provided with sample data. The last row of the packet is provided with an error correcting code for data transmitted in and after the third row.
Owner:SONY CORP
Data fusion method, apparatus, electronic device and computer readable medium
ActiveCN113992469BGuaranteed FusionIncrease data transmission pressureCharacter and pattern recognitionBus networksData setTimestamping
Embodiments of the present disclosure disclose a data fusion method, apparatus, electronic device, and computer-readable medium. A specific implementation of the method includes: obtaining a time stamp synchronization message sent by a time stamp broadcast node, wherein the time stamp synchronization message includes: a message broadcast time stamp; in response to receiving the target data message sequence, according to the target data Each target data packet in the packet sequence corresponds to the receiving timestamp, the broadcast timestamp of the packet, and the receiving timestamp of the timestamp synchronization packet, determine the synchronization timestamp, and obtain the synchronization timestamp sequence, in which the target data packet is The target data message in the sequence is the data message sent by the target node; according to the synchronization timestamp sequence and the target data message sequence, a fusion data set is generated. This embodiment improves the success rate of data fusion and the data transmission efficiency of the CAN bus.
Owner:禾多科技(广州)有限公司
Software-defined event trigger control method for large-scale network system under spoofing attack
PendingCN114579968AReduce management complexityReduce the burden onDesign optimisation/simulationPlatform integrity maintainanceLyapunov stabilityNetworked system
The invention discloses a software-defined event trigger control method for a large-scale network system under spoofing attack, which comprises the following steps: firstly, establishing a large-scale network control system model, and then introducing a dynamic weighted centralized event trigger mechanism; considering the influence of spoofing attack on network transmission data, and establishing a network attack model; a large-scale networked system model is improved based on a spoofing attack and dynamic weighted event triggering mechanism; and finally, based on a Lyapunov stability theory, obtaining a sufficiency condition for ensuring that the system is finally consistent and bounded, and obtaining an event trigger parameter and a state estimator gain by solving a linear matrix inequality. According to the method, the problem of management complexity caused by a centralized event triggering mechanism can be effectively reduced, the burden of network transmission is relieved, serious threats of spoofing attacks to a network control system are considered, and the data transmission efficiency is effectively improved.
Owner:NANJING UNIV OF SCI & TECH
Delivered-bandwidth adjustment method and module, and dynamic bandwidth assignment device
ActiveUS9042407B2Utilize bandwidthInefficient data transferMultiplex system selection arrangementsTime-division multiplexDynamic bandwidth assignmentData transmission
Owner:HUAWEI TECH CO LTD
Pixel driving circuit and display device
ActiveCN110706641BImprove switching performanceImprove the display effectStatic indicating devicesCapacitanceDisplay device
The present disclosure provides a pixel driving circuit and a display device. The pixel driving circuit includes a data writing unit, a driving unit, a compensation unit, and a light emitting unit. By adding a first capacitor to the driving unit, the first end of the first capacitor For receiving the high voltage signal of the power supply, the second end of the first capacitor is coupled to the second node, through the coupling effect of the first capacitor to the driving unit, reducing the data transmission of the driving unit in different gray scale states Efficiency, realize the switching between high and low gray levels through low data transmission efficiency, thereby improving the high and low gray level switching capability of the pixel drive circuit, and at the same time add a first thin film transistor between the micro light emitting diode of the light emitting unit and the driving unit, the first thin film transistor The gate of a thin film transistor is coupled to the light-emitting signal, and the drain is coupled to the first end of the micro-light emitting diode, so as to ensure that the micro-light-emitting diode will not be affected by the current fluctuation of the driving unit before emitting light, and improve the display effect of the display device.
Owner:SHENZHEN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
Selenium-enriched product sales anti-counterfeiting traceability system
PendingCN112508584AEasy accessImprove query efficiencyDatabase updatingDatabase management systemsData transportInformation acquisition
The invention belongs to the technical field of anti-counterfeiting traceability, and particularly relates to a selenium-enriched product sales anti-counterfeiting traceability system, which comprisesan information acquisition terminal, an information interaction terminal and a label traceability terminal, and is characterized in that the information acquisition terminal comprises a factory information input module and a product circulation module which are connected with the information interaction terminal; the label tracing terminal comprises a storage module, an information receiving module, an information classification calibration module, a user request receiving module, a user request identification module, a query module, an information extraction scheduling module, a data integration module, an information generation module and a label model construction module. According to the invention, a user can conveniently look up the information content of the production process and the sales process of the current product in time, the product imitation situation is effectively avoided, the anti-counterfeiting capability of the product is improved, meanwhile, the information content corresponding to the request can be generated according to the customer demand, the data transmission efficiency is reduced, and the customer look-up efficiency is improved.
Owner:广西浩博兆信信息技术有限公司
I/O circuit and data transmission control method
ActiveUS9894001B2Inefficient data transferEfficiently and fairly offer transmission priorityNetwork connectionsElectric digital data processingComputer hardwareWaiting period
An I / O circuit includes buffers, a storage module, accumulators, timers, and an arbiter. Each buffer corresponds to a respective virtual channel. Each buffer corresponds to a respective token bucket, and outputs a normal transmission request according to the amount of tokens and an accumulating signal. The storage module stores a lookup table including a plurality of weightings. Each accumulator corresponds to a respective buffer, accumulates a data volume according to the corresponding weighting, and outputs the accumulating signal. Each timer corresponds to a respective buffer, times waiting period after the corresponding buffer outputs the normal transmission request, and outputs a time-out transmission request when the waiting period exceeds a predetermined period. The arbiter receives the time-out transmission requests and the normal transmission requests, and selects one of the buffers from all of the time-out transmission requests and the normal transmission requests.
Owner:VIA ALLIANCE SEMICON CO LTD
Resource assignment method for communication system adapted for change of channel
InactiveUS8422437B2Inefficient data transferImprove estimation accuracyTransmission path divisionCriteria allocationMultiplexingCommunications system
A resource assignment method for a communication system provides a method to realize an estimate of channel with high accuracy for terminals which change channels rapidly. A resource assignment unit (102), supplied with channel information ISCI1 to NSCIN, determines assignment of resources to a first to a Nth terminals and outputs a resource assignment information SRA. A multiplex signal generating unit (103), supplied with the resource assignment information SRA, outputs a transmission signal STX. A resource selector (104), supplied with the channel information 1SCI1 to NSCIN and the relative position information SRP, determines the assignment of resources to the first to Nth terminals and outputs the resource assignment information SRA. A resource position generating unit (105), supplied with the resource assignment information SRA, calculates a relative position of an empty resource with respect to a multiplex position of a pilot signal and outputs the relative position information SRP.
Owner:NEC CORP
Data transmission
ActiveUS10448230B2Reduce power consumptionImprove data transfer efficiencyPower managementNetwork topologiesShortest distanceData transmission
Methods, apparatuses, and systems for data transmission are described. A sending terminal sends data and a data identification of the data to a server. The data identification is broadcasted to one or more receiving terminals through a short distance wireless communication. The receiving terminal obtains the data from the server according to the data identification. When the sending terminal needs to transmit data to multiple receiving terminals, the techniques of the present disclosure do not require the sending terminal to establish a point-to-point connection with each of the receiving terminal. Thus, the techniques of the present disclosure effectively reduce transmission time with multiple receiving terminals, improve data transmission efficiency, and lower power consumption at the sending terminal.
Owner:ADVANCED NEW TECH CO LTD
Data transmission method, apparatus and system
ActiveUS9992109B2Inefficient data transferImprove data transfer efficiencyData switching networksNetwork packetData transmission
Embodiments of the present invention relate to the field of communications, and provide a data transmission method, apparatus and system. The method includes: detecting whether data transmitted in a received GTP-U data packet is data of a predetermined type; if a result of the detection is that data transmitted in the GTP-U data packet is data of a predetermined type, decapsulating the GTP-U data packet, to obtain the data of the predetermined type and a destination address of the data of the predetermined type; and sending the data of the predetermined type and the destination address to a message gateway, so that the message gateway forwards the data of the predetermined type according to the destination address. A gateway includes: a detection module, a decapsulation module, and a sending module. A message gateway includes: a receiving module and a forwarding module.
Owner:HUAWEI TECH CO LTD
Spectrometer controller and cascade control system and method of distributed spectrometer
PendingCN112539834AImprove detection efficiencyRealize online high-speed transmissionRadiation pyrometrySpectrum investigationOptical spectrometerControl system
The invention relates to a spectrometer controller and a cascade control system and method of a distributed spectrometer. The spectrometer controller comprises a main controller, an A serial interface, a B serial interface and a spectrometer control interface, and the A serial interface, the B serial interface and the spectrometer control interface are respectively connected with the main controller. According to the invention, independent spectrometers can be cascaded for cooperative work, and the detection efficiency can be greatly improved during area light source detection.
Owner:SHENZHEN MOONCELL ELECTRIC
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