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163results about How to "Avoid Data Conflicts" patented technology
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System bridge and timeclock for RF controlled lighting systems
InactiveUS6927547B2Minimize collisionMinimize the possibilityElectric signal transmission systemsElectrical apparatusEngineeringLighting system
A method for operatively interconnecting a first and second lighting control subnet is disclosed. In the method, a link claim is transmitted to the first and second lighting control subnets from a bridge. The link claim directs the first and second lighting control subnets to wait for a lighting control command, which is transmitted to the lighting control command to the first lighting control subnet. A random wait time is assigned to the first lighting control subnet and a maximum random wait time is assigned to the second lighting control subnet. Finally, an acknowledgement is received from the first lighting control subnet.
Owner:LUTRON TECH CO LLC
Method of switching video sources and computer system employing this method
InactiveUS6297794B1Improve efficiencyAvoid Data ConflictsHybrid switching systemsDigital computer detailsComputerized systemVideo equipment
A plurality of video devices, that is, a PC card controller 17, an MPEG2 decoder 18, a P1394 controller 20, and a video capture 31 have each a motion-picture output port connected to a video / audio dedicated bus 4, as well as an interface with a PCI bus 2. Hence, any motion-picture source can be transferred directly to a display controller 14 through the video / audio dedicated bus, without using the PCI bus 2. Various motion-picture sources can therefore be efficiently displayed.
Owner:KK TOSHIBA
Debug mechanism for data processing systems
InactiveUS6446221B1Efficient programmingAvoid Data ConflictsProgram synchronisationDetecting faulty computer hardwareDiagnostic dataData processing system
Apparatus for processing data is provided, said apparatus comprising: a main processor 4 responsive to main processor instructions within a stream of instructions input to said main processor 4 to perform main processor operations; a coprocessor 6 coupled to said main processor 4 via a coprocessor interface CP and responsive to coprocessor instructions MCR, MRC within said stream of instructions to perform coprocessor operations; wherein said coprocessor 6 is a debug coprocessor operable to at least partially control generation of diagnostic data for debugging said apparatus for processing data and said coprocessor instructions are debug coprocessor instructions that control operation of said debug coprocessor. Using a debug mechanism in the form of a debug coprocessor reduces the impact of the debug mechanism upon normal operation.
Owner:ARM LTD
Dispatching method and system of distributed system
ActiveCN101753608AAvoid wastingImprove processing efficiencyTransmissionResource utilizationData scheduling
The invention discloses a dispatching method and a system of a distributed system. The method comprises the following steps: a dispatching request comprising data reading operation is received by a data dispatcher, and data is stored in at least one entity providing data service in the distributed system; status of each data service corresponding to the dispatching request is determined by the data dispatcher, dispatching response consenting to conduct reading operation on each data service is sent by the data dispatcher when each data service is in an idle / reading status; and each data service is at least one same data service. The invention can effectively solve the defects of resource waste, low task processing efficiency and the like in the distributed dispatching method in the prior art, realizes reasonable resource utilization, and improves task processing efficiency.
Owner:CHINA MOBILE SUZHOU SOFTWARE TECH CO LTD +2
Processor virtualization mechanism via an enhanced restoration of hard architected states
InactiveUS6981083B2Rapidly begin executionIncrease savingsGeneral purpose stored program computerConcurrent instruction executionOperating systemProcessor virtualization
A method and system are disclosed for pre-loading a hard architected state of a next process from a pool of idle processes awaiting execution. When an executing process is interrupted on the processor, a hard architected state, which has been pre-stored in the processor, of a next process is loaded into architected storage locations in the processor. The next process to be executed, and thus its corresponding hard architected state that is pre-stored in the processor, are determined based on priorities assigned to the waiting processes.
Owner:IBM CORP
Wireless communication system based on wireless sensors
ActiveCN104883723AReduce power consumptionAvoid Data ConflictsPower managementConnection managementWork periodSensing data
The invention discloses a wireless communication system based on wireless sensors. The wireless communication system comprises a wireless gateway and at least one wireless sensor. A wireless channel connection is established between the wireless sensors and the wireless gateway. When being required to sense information, the wireless gateway broadcasts multiple wakeup packets including a unique code. The wireless sensor performs carrier sense on a wireless channel at a first time window of a WOR wakeup period, receives the wakeup packets if finding a carrier, and then enters a work period to acquire sensed data at a first time segment in the work period and transmit the sensed data and an identification code corresponding to the wireless sensor to the wireless gateway at a second time window. By means of the above way, the wireless communication system may achieve bidirectional communication of the wireless sensor, and is low in power consumption and resistant to collision.
Owner:ZKS IOT TECH CROP
Method for cluster based data transmission in wireless sensor networks
ActiveUS20110130162A1High data efficiencyImprove energy efficiencyNetwork traffic/resource managementAssess restrictionWireless mesh networkWireless sensor networking
The present invention relates to a method for cluster based data in wireless sensor networks. The method includes: selecting any one of border nodes positioned at the edge of a cluster as a temporary cluster head as a temporary cluster head when a target is sensed in the cluster; bugging data of the temporary cluster head by border nodes in other adjacent cluster which do not sense the target to temporarily change the border node selected as the temporary cluster head to a cluster head of each of the border nodes; when the target is sensed by at least one of the border nodes, collecting data from each of the border nodes by the temporary cluster head to transferring the collected data to an actual cluster head of the temporary cluster head; and aggregating the collected data by actual cluster head of the temporary cluster head.
Owner:ELECTRONICS & TELECOMM RES INST
Node merge method based dynamic network topology analysis method
InactiveCN103178516AImprove parallelismImprove real-time performanceAc network circuit arrangementsNODALTopological graph
The invention provides a node connected island merge based network topology analysis method. In a network topology map, a connected region formed by a node i and adjacent nodes j and k thereof is called as a connected island of the node I, and a minimum node number of the nodes i, j and k included in the island serves as an island number of the connected island. A two-dimensional array data storage structure capable of storing part of intermediate operation results is adopted, so that the method is adaptable to ring network type and tree network connectivity analysis, and is particularly suitable for plant station configuration parallel topology analysis. When the topology analysis method uses a computer multi-core parallel processing technology for achieving plant station bus configuration topology analysis, data collision due to the fact that multiple processors read and write a same node connected island number simultaneously is avoided, topology analysis operational speed is increased, parallel processing efficiency is improved, and operational speed is high while real-time performance is good.
Owner:HARBIN INST OF TECH
Cross partition sharing of state information
ActiveUS7272664B2Accelerate savingAvoid data collisionProgram initiation/switchingRuntime instruction translationProcess stateData processing
A method and system are disclosed for managing saved process states in a memory of a data processing system that has multiple partitions executing independent operating systems. A hypervisor manager affords access to any processor in the data processing system for the purpose of storing process states for that processor to the memory, independent of the operating system running on the processor.
Owner:IBM CORP
Method and apparatus for transmitting/receiving data in mu-mimo system
InactiveUS20110200130A1Prevent collisionAvoid Data ConflictsSecret communicationRadio transmissionTelecommunicationsMIMO
A method for transmitting, by a single transmitting station, data to a plurality of receiving stations includes: generating a plurality of data frames including the data and Ack order information; transmitting the plurality of data frames to the plurality of receiving stations; and sequentially receiving block Ack signals from the plurality of receiving stations according to the Ack order information.
Owner:ELECTRONICS & TELECOMM RES INST
Convolutional neural network acceleration engine, convolutional neural network acceleration system and method
ActiveCN111178519AReduce data accessImprove performanceNeural architecturesPhysical realisationAlgorithmTerm memory
The invention discloses a convolutional neural network acceleration engine, a convolutional neural network acceleration system and a convolutional neural network acceleration method, and belongs to the field of heterogeneous computing acceleration, wherein the physical PE matrix comprises a plurality of physical PE units, and the physical PE units are used for executing row convolution operation and related partial sum accumulation operation; the XY interconnection bus is used for transmitting the input feature image data, the output feature image data and the convolution kernel parameters from the global cache to the physical PE matrix, or transmitting an operation result generated by the physical PE matrix to the global cache; the adjacent interconnection bus is used for transmitting anintermediate result between the same column of physical PE units; the system comprises a 3D-Memory, and a convolutional neural network acceleration engine is integrated in a memory controller of eachVault unit and used for completing a subset of a convolutional neural network calculation task; the method is optimized layer by layer on the basis of the system. According to the invention, the performance and energy consumption of the convolutional neural network can be improved.
Owner:HUAZHONG UNIV OF SCI & TECH
Optical-signal-path routing in a multi-chip system
ActiveUS20100266295A1Avoid confictAvoid Data ConflictsMultiplex system selection arrangementsWavelength-division multiplex systemsData signalEngineering
Embodiments of a system are described. This system includes an array of chip modules (CMs) that are configured to communicate data signals with each other via optical communication. In a given CM module, optical signal paths, such as waveguides, are routed in the same way as in the other CMs in the array. In this way, a common optical design in the CMs may be used in the system to prevent data conflicts during the optical communication.
Owner:ORACLE INT CORP
Upstream grouping transmission rate control method for CDMA communication system
InactiveCN1375950AReduce transmission delayEnsure fairnessError preventionNetwork traffic/resource managementCapacitanceControl manner
This invention is related to a control method of up packet transmission rate is CDMA communication system. The bandwidth allocation of this invention is adopted by presenting application by the mobile station and contralization allocation of the base station in which the strategy of allocation is to combine two methods of allocation based on data packet and dynamic rate adjustment not only avoiding data collision resulted in the quantity of up data surpassing the up capacitance but also reducing transmission time delay of accident data operation and to finely classify different types of operation to adopt different method to rectify different transmission rate to use the up band width to the utmost and secure the justness in mobile stations.
Owner:武汉汉网高技术有限公司
Timer Activation for Dual SIM Dual Standby Devices
InactiveUS20200304984A1Avoid Data ConflictsSynchronisation arrangementConnection managementData operationsSpamming
Apparatuses, systems, and methods for a dual subscriber identity module (SIM) dual standby (DSDS) capable user equipment (UE) devices to perform data operations with a first SIM that is not capable of or preferred for packet switched (PS) services and a second SIM that is capable of or preferred for PS services. A timer may be initiated upon radio frequency (RF) chain handover from the first SIM to the second SIM, whereupon a first connection associated with the first SIM is maintained in an idle state while the timer is running. Upon expiration of the timer, the UE may determine whether to send a scheduling request to maintain or release the first connection. The timer may be utilized when a call is dropped over the first connection, to increase the likelihood of successfully receiving a callback. The timer may be shortened in duration to reduce reception of spam messaging.
Owner:APPLE INC
Control system and communication system for digital mixer
InactiveUS20060218321A1Simple configurationLow production costBroadcast information generationElectric digital data processingComputer architectureCommunications system
In a control system of a digital mixer, first class devices are connected via a first class bus, and second class devices are connected to each first class device via a second class bus. The number of first class devices, which require a specific function for adding source and destination addresses to data, can be reduced by the number of the second class devices. Moreover, the second class device which does not require the specific function for adding source and destination addresses to data input / output operations is cheaper than the first class device, resulting in the implementation of simplified configuration and reduced production costs.
Owner:YAMAHA CORP
Anti-conflict method of bus transfer data
ActiveCN101227366AReliable transmissionWill not conflictData switching networksReal-time computingLower priority
The invention relates to an anti-collision method of bus transfer data, which comprises first, monitoring a bus with bus equipment, judging bus state, when the bus is transferring data with high priority grade, abdicating data with low priority grade on the bus to data with high priority grade, meanwhile, triggering a wait bit counter to counter, and continuously monitoring the bus, sending data when the bus has no data with high transmission priority grade, and judging the priority grade of the data which are sent, the data with low priority grade recedes in middle way, abdicating to the data with high priority grade, and meanwhile trigging the wait bit counter to count, and continuously monitoring the bus, and continuously sending the data with high priority grade. The judgment of the state of the bus leads sending data of a sending end not to conflict, and the judgment of the priority grade of data which are sent leads receiving data of a receiving end not to conflict, and the mechanism can not destroy data of high priority grade.
Owner:北京豪沃尔科技发展股份有限公司
System bridge and timeclock for RF controlled lighting systems
InactiveUS20050001557A1Minimize collisionMinimize the possibilityElectric signal transmission systemsElectrical apparatusEffect lightLighting system
A method for operatively interconnecting a first and second lighting control subnet is disclosed. In the method, a link claim is transmitted to the first and second lighting control subnets from a bridge. The link claim directs the first and second lighting control subnets to wait for a lighting control command, which is transmitted to the lighting control command to the first lighting control subnet. A random wait time is assigned to the first lighting control subnet and a maximum random wait time is assigned to the second lighting control subnet. Finally, an acknowledgement is received from the first lighting control subnet.
Owner:LUTRON TECH CO LLC
Self-adaptive anti-interference wireless transmission method for band type network
ActiveCN103957545AGuaranteed transmission qualityShort transmission distanceNetwork topologiesWireless transmissionSelf adaptive
The invention discloses a self-adaptive anti-interference wireless transmission method for a band type network. The method includes the steps that when wireless sensor nodes have access to the network, short addresses are distributed by an aggregation node; the aggregation node broadcasts or request information to the wireless sensor nodes; the wireless sensor nodes judge whether they are within a routing radius range of a broadcasting issuing node; each wireless sensor node calculates a response slot time of its own and transmits a response in the response slot time; in the routing radius range, the nodes monitor a new routing node n to conduct broadcasting; the new routing node transmits data packet information to determine a latter route in the same broadcasting mode; the wireless sensor nodes judge whether they are destination addresses of a data packet link layer. The band type network can dynamically adjust the farthest transmission distance of the route according to the communication situation so as to adapt to external environmental inference; when the environmental interference is small, the information can be transmitted efficiently and quickly; when the environmental interference is large, the transmission distance is shortened.
Owner:SHENYANG INST OF AUTOMATION GUANGZHOU CHINESE ACAD OF SCI +1
Wireless sensor network communication method based on time division dormancy
ActiveCN107835527AReduce latencyReduce energy consumptionPower managementNetwork topologiesBeacon frameData acquisition
The invention discloses a wireless sensor network communication method based on time division dormancy. The method comprises the following steps: establishing a network of aggregation nodes, performing networking application for terminal nodes in sequence after all route nodes are networked, and acquiring 16 bit network short addresses allocated by the route nodes; scheduling all terminal nodes and route nodes to periodically and sequentially enter into dormancy and awakening modes at certain time intervals through the aggregation nodes with dormancy beacon frames, and completing data acquisition and transmission. By adopting the method, channel blocking caused by competitive channels and energy waste caused by continuous monitoring of nodes to acquire idle channels are avoided, and the purposes that the node energy consumption is reduced and the network service life is prolonged are achieved.
Owner:HOHAI UNIV
Transmission control method and device
InactiveUS8055279B2Avoid collisionImprove efficiencyPower managementSpecial service for subscribersAccess methodEngineering
Owner:FUJITSU LTD
Methods and systems for low latency wireless communication with a scalable hierarchial architecture
ActiveUS20180098263A1Reduce communication delayAvoid interferenceSynchronisation arrangementError preventionNetwork packetNetwork architecture
A scalable hierarchical low latency communication network architecture is disclosed. This architecture uses a novel multi-node, multi-packet block acknowledgement (ACK) wireless communication method. The method is used in a scalable hierarchical architecture for a non-transitory computer readable storage medium storing one or more programs. The one or more programs comprising instructions to perform the following steps: receive multiple data and control packets at a central hub from multiple nodes; create a single ACK packet for the multiple data and control packets received at the central hub from the multiple nodes; and communicate the single ACK packet that acknowledges reception of the multiple data and control packets to the multiple nodes.
Owner:INPLAY INC
Enhanced Processor Virtualization Mechanism Via Saving and Restoring Soft Processor/System States
InactiveUS20090157945A1Increase savingsAvoid Data ConflictsRegister arrangementsConcurrent instruction executionSoft stateMemory interface
A method and system are disclosed for saving soft state information, which is non-critical for executing a process in a processor, upon a receipt of a process interrupt by the processor. The soft state is transmitted to a memory associated with the processor via a memory interface. Preferably, the soft state is transmitted within the processor to the memory interface via a scan-chain pathway within the processor, which allows functional data pathways to remain unobstructed by the storage of the soft state. Thereafter, the stored soft state can be restored from memory when the process is again executed.
Owner:INT BUSINESS MASCH CORP
System supporting real-time processing inside streaming data piece and design method
InactiveCN105208275AHigh acquisition rateReduce lossTelevision system detailsColor television detailsInter-domainComputer science
The invention relates to a system for supporting real-time processing inside a streaming data piece and a design method. The system comprises a streaming data acquisition module, a streaming data transcoding module, a streaming data caching module and a streaming data display module, wherein the streaming data acquisition module utilizes a VHDL to design a streaming data sensing device configuration unit and a streaming data parallel acquisition unit, the streaming data transcoding module utilizes the VHDL to establish a production line and a shifting operation architecture and improve the efficiency of conversion from a YCbCr format to an RGB format, the streaming data caching module utilizes FIFO to establish a two-stage queue cache, solve the problem of data communication between three-stage asynchronous clock domains and further solve the problem of data collision caused by the fact that the streaming data acquisition speed and the transcoding speed are inconsistent, and the streaming data display module utilizes the VHDL to design an HDMI chip configuration unit and enable the streaming data to be displayed on the external display through an HDMI interface. The streaming data processing system integrates acquisition, transcoding, caching and display functions and can improve real-timeliness of streaming data processing, and high integration and miniaturization of the streaming data processing system can be also promoted.
Owner:BEIHANG UNIV
Conflict avoidance and resolution in a distributed computing system
InactiveUS20070209038A1Avoid Data ConflictsAlteration can be preventedMultiprogramming arrangementsBuying/selling/leasing transactionsComputing systemsDistributed computing
Conflict avoidance and conflict detection and resolution methods are provided for transaction processing in a distributed computing system. For conflict avoidance, first data for a transaction is generated in a first computing system and is used in executing a dependent process for the transaction in a second computing system that is integrated with the first computing system by an asynchronous messaging system. The first data is sent to the second computing system in a first asynchronous message. The first computing system receives from the second computing system a second asynchronous message with second data that identifies when a predefined event of the transaction, dependent on the first data, is to occur. User alteration of the first data for the transaction in the first computing system is then prevented after a preconfigured time period before when the predefined event is identified to occur.
Owner:SAP AG
Non-intrusive sub-metering collection system
ActiveCN109001528AAcquisition Frequency RefinementAvoid Data ConflictsElectrical measurementsTime informationElectricity
The invention discloses a non-intrusive sub-metering collection system, wherein an intelligent electric energy meter transmits local sub-metering information to an II type concentrator through an RS485 communication bus; the II type concentrator communicates with a main station device through a 4G network; the local sub-metering information includes time scales, total electric quantity of time intervals, total number of electrical appliances and detailed operation information of each electrical appliance; the detailed operation information of each electrical appliance includes types of indoorelectrical appliances, and electricity consumption of time intervals, operation situation of time intervals, and start-stop time information which are respectively metered by category through the indoor electrical appliances; the intelligent electric energy meter is internally provided with a load identification function module, which identifies categories of the local indoor electrical appliancesthrough a built-in algorithm unit, respectively meters the categories to form local sub-metering information and output the result, transmits the result to the intelligent electric energy meter and uploads the same to the II type concentrator. The invention can maximize the transmission of sub-metering information by using the existing power consumption information collection system.
Owner:STATE GRID JIANGSU ELECTRIC POWER CO ELECTRIC POWER RES INST +3
Enhanced processor virtualization mechanism via saving and restoring soft processor/system states
InactiveUS7849298B2Increase savingsAvoid Data ConflictsRegister arrangementsDigital computer detailsSoft stateMemory interface
Owner:INT BUSINESS MASCH CORP
Intermittent operation communication device and communication system using beacon and sleep mode
ActiveUS20090059828A1Avoid Data ConflictsEnergy efficient ICTFrequency-division multiplex detailsCommunications systemData traffic
An intermittent operation communication device periodically repeats beacon transmission, data reception or data reception wait, and sleep to transmit data to any of reception side communication devices. The intermittent operation communication device includes a data transmitter for performing transmission when receiving a beacon from any of the reception side communication devices and having data traffic generated meant for a reception side communication device, a transmission announcer for intermittently transmitting a transmission announcement beacon while waiting for reception when having the data traffic generated, and an adjuster for monitoring a transmission announcement beacon from any other of the intermittent operation communication devices to adjust the transmission of the data traffic.
Owner:OKI ELECTRIC IND CO LTD
Intermittent operation communication device and communication system using beacon and sleep mode
ActiveUS8305946B2Avoid Data ConflictsEnergy efficient ICTFrequency-division multiplex detailsCommunications systemData traffic
An intermittent operation communication device periodically repeats beacon transmission, data reception or data reception wait, and sleep to transmit data to any of reception side communication devices. The intermittent operation communication device includes a data transmitter for performing transmission when receiving a beacon from any of the reception side communication devices and having data traffic generated meant for a reception side communication device, a transmission announcer for intermittently transmitting a transmission announcement beacon while waiting for reception when having the data traffic generated, and an adjuster for monitoring a transmission announcement beacon from any other of the intermittent operation communication devices to adjust the transmission of the data traffic.
Owner:OKI ELECTRIC IND CO LTD
Multi-way ARINC429 data transmit-receive circuit structure based on development of DSP and CPLD
ActiveCN103823785AAvoid confictAvoid lossElectric digital data processingProcessor registerControl circuit
The invention discloses a multi-way ARINC429 data transmit-receive circuit structure based on the development of a DSP and a CPLD. The multi-way ARINC429 data transmit-receive circuit structure based on the development of the DSP and the CPLD comprises a DSP circuit, multiple sets of ARINC429 bus transmit-receive chip circuits, an auxiliary control circuit achieved through CPLD programming, wherein a data end of each ARINC429 bus transmit-receive chip is connected with the DSP, a control end of each ARINC429 bus transmit-receive chip is connected with the CPLD, the DSP circuit achieves control over the multiple sets of ARINC429 bus transmit-receive chips by sending an control instruction to a register circuit achieved through CPLD chip programming, and receiving decoding and sending coding of ARINC429 data are achieved through software in a DSP chip. The multi-way ARINC429 data transmit-receive circuit structure based on the development of the DSP and the CPLD can achieve real-time reading and sending of multiple ways of ARINC429 data through a data bus of the DSP chip, avoids collision, loss and error codes of the data, and achieves high-speed processing of the data.
Owner:BEIHANG UNIV
Transmission control method and device
InactiveUS20080026758A1Avoid collisionImprove efficiencyPower managementSpecial service for subscribersMoving speedEngineering
When information of its own station is transmitted to another mobile station by a CSMA access method, by a transmission control method and device, moving speed information and location information is transmitted with a predetermined minimum transmission power until a moving speed of its own station exceeds a first threshold, and the moving speed information and the location information is transmitted with a first transmission power proportional to the moving speed when the moving speed of its own station exceeds the first threshold. In this case, moving direction information of its own station may be acquired and transmitted in addition to the moving speed information and the location information. If the moving speed of the other mobile station exceeds a second threshold higher than the first threshold and a moving direction of the other mobile station is an approaching direction to its own station while its own station is not making transmission with the moving speed of its own station exceeding the first threshold, the first transmission power is switched over to a second transmission power proportional to the moving speed of the other mobile station and the moving speed information and the moving direction information is transmitted.
Owner:FUJITSU LTD
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