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31results about How to "Reduce the number of data transfers" patented technology
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Wireless network multi-path routing network coding transmission method
InactiveCN101692740AReduce latencyImprove throughputNetwork traffic/resource managementNetworked Transport of RTCM via Internet ProtocolInformation transmission
The invention discloses a wireless network multi-path routing network transmission method aiming to solve the problem that the existing network coding transmission methods need many time slots, and have too many data transmission times and too high demand for nodes. The main steps of the method are network initialization and data transmission; the network initialization is mainly to determine the level of each node and the neighbor node information and complete networking; the data transmission is that a node judges the zone bits of message packets to perform different treatments to different kinds of message packets, judges the zone bits of the levels of message packets to selectively receive the desired information, judges the local information pool and neighbor information list to select the optimal network coding and performs primary data transmission to complete information transmission and the information transmission of the node. The invention has the advantage of less time slots and data transmission times and lower demand of nodes for network and can be used for multi-user wireless data transmission.
Owner:XIDIAN UNIV
GPS positioning method of mobile terminal and mobile terminal
ActiveCN103974189AAccelerateReduce the number of data transfersSatellite radio beaconingLocation information based serviceTelecommunicationsEphemeris
The embodiments of the present invention provide a GPS positioning method for a mobile terminal and the mobile terminal. The method comprises: after GPS positioning is initiated, acquiring a first cell identification of a first cell where a mobile terminal is located; according to the first cell identification, acquiring first longitude and latitude information corresponding to the first cell from a correlation table stored in the mobile terminal, wherein the correlation table comprises cell identifications and longitude and latitude information corresponding to the cell identifications; and performing the GPS positioning on the mobile terminal through a GPS receiver in the mobile terminal in combination with the first longitude and latitude information, pre-acquired time information and ephemeris information. In the embodiments of the present invention, when the mobile terminal performs GPS positioning, longitude and latitude information corresponding to a cell where the mobile terminal is currently located is acquired from a correlation table stored in the mobile terminal, and according to the longitude and latitude information and pre-acquired time information and ephemeris information, the GPS positioning speed of a GPS receiver can be accelerated.
Owner:HUAWEI DEVICE CO LTD
Markov jump based distributed event triggered filtering system and design method thereof
ActiveCN107065545AImprove robustnessMeet the use requirementsAdaptive controlMarkov jumpFilter system
The invention relates to a Markov jump based distributed event triggered filtering system and a design method thereof. The system comprises N filtering links, and is characterized in that each filtering link comprises a sensor, an event trigger, a zero-order retainer and a filter which are sequentially connected, the sensors are connected with a measured object, the filter in each filtering link further performs communication connection with the other neighbor filters, the communication topology among the N filters in the system is of a non-homogeneous Markov jump mode, the mutually connected filters perform information exchange under each type of non-homogeneous Markov link topology, and the filter in each filtering link is further connected with the corresponding event trigger in the filtering link. Compared with the prior art, the Markov jump based distributed event triggered filtering system has good anti-noise capacity, effectively reduces the number of data transmission times under the premise of ensuring the filtering performance and saves network resources.
Owner:TONGJI UNIV
Data aggregation method for increasing capacity of wireless sensor network
ActiveCN102438291AIncrease capacityReduce energy consumptionNetwork topologiesMobile wireless sensor networkWireless mesh network
The invention discloses a data aggregation method for increasing the capacity of a wireless sensor network. The method comprises the following steps of: homalographically clustering the wireless sensor network by using a circular grid; determining aggregated nodes of the clusters, a data aggregation mode of the network and a data transmission mode of the network; and creating a virtual node and thus acquiring a reachable throughput of the node by adopting a scheduling scheme with a load and correlation. By utilizing the method, an actual communication condition of the wireless sensor network is described by using a mode with the communication characteristic, closer to that of a sensor; and furthermore, the data transmission times in the network are reduced, therefore, the balance of the effectiveness and redundancy of information is realized, and the capacity of the wireless sensor network is increased.
Owner:SHANGHAI JIAO TONG UNIV
Distributed filtering network system and design method
InactiveCN105606381ASimple design methodSure easyVehicle suspension/damping testingDistributed filteringComputer terminal
The invention relates to a distributed filtering network system and a design method. The system comprises the following parts: a filter network unit comprising filters distributed at different physical sites; a sensor sampling unit comprising vehicle-mounted sensors and filtering sensors, wherein the vehicle-mounted sensors are embedded in an automobile suspension system and acquire state information of the automobile suspension system, and the filtering sensors are embedded into the filters and acquire exchange information between the filters and set adjacent filters; and an event trigger unit comprising event triggers corresponding to the filters, wherein each event trigger determines event occurrence time of a corresponding filter, at the event occurrence time, the filters receive the automobile suspension system state information acquired by the corresponding vehicle-mounted sensors and the exchange information of the set adjacent filters, and otherwise, the filters do not act. Compared to the prior art, the system provided by the invention can satisfy the demand of multiple terminals for simultaneously obtaining data, can also effectively prevent filter network collapse, and is low in energy consumption, high in efficiency and high in stability.
Owner:TONGJI UNIV
Facilitate environmental control-oriented wireless sensor network data transmission method
ActiveCN104023356AImprove practicalityReduce computationEnergy efficient ICTNetwork traffic/resource managementControl orientedEnvironmental data
The invention relates to a facilitate environmental control-oriented wireless sensor network data transmission method. The method comprises the following steps of processing the facilitate environmental data sequence acquired by a sensor by a sliding recursive method to obtain a sequence variance, detecting abnormal values in the facilitate environmental data sequence by the Letts' criterion; adaptively determining an error threshold allowable for sensor data of a facilitate environmental control system based on a parabolic equation; establishing a first-order linear regression model at a node side of the sensor and a server side and simultaneously fusing adaptive weighted algorithm in the server side to meet the condition of redundant deployment of sensor nodes to obtain fusion results of the sensor. According to the method, the data sending times of sensor nodes can be reduced to the maximum extent at a specified accuracy requirement, thereby effectively reducing the energy waste and data collisions.
Owner:上海蓝长自动化科技有限公司
Event trigger state estimating system based on markovian jumping
InactiveCN109410361ASure easySimple design methodRegistering/indicating working of vehiclesData switching networksInformation transmissionTelecommunications link
The invention relates to an event trigger state estimating system based on markovian jumping. The system comprises a sensor sampling unit comprising a vehicle-mounted sensor used for collecting vehicle suspension system state information, an event trigger unit comprising an event trigger detector used for receiving measured data of the vehicle-mounted sensor on the basis of a periodic event trigger mechanism, a quantizer quantification unit comprising multiple communication links connected with the event trigger detector, connected with one another in parallel and each provided with a logarithmic quantizer, and an estimator network unit comprising estimators connected with the logarithmic quantizers on the communication links respectively used for conducting information transmission through a network. Compared with the prior art, the event trigger state estimating system based on markovian jumping has the advantages that parameters are easy to determine, the object estimating requirements are simple, network blocking is prevented, design is flexible, network resources are saved, external interference is resisted, and the like.
Owner:EAST CHINA UNIV OF SCI & TECH
Cross controller group mirror image writing method and device applied to high-end disk array
InactiveCN103577125AReduce the number of data transfersImprove performance and efficiencyInput/output to record carriersData transmissionMemory controller
The invention provides a cross controller group mirror image writing method and device applied to a high-end disk array. If a received writing data request is a cross memory controller group writing data request, a data copy is generated and cached locally, then, the data copy is forwarded to a storage controller, resources required to store the data belong to the storage controller, and the storage controller where the resources belong cache the received data copy and mirror the data to a mirror image storage controller in the same group of storage controllers; and after the data mirroring is finished, the storage controller where the resources belong sends a response message to the storage controller connected with a client host. With the adoption of the method and the device, cross controller group writing data mirroring can be completed only by one-time data forwarding, so that times of data transmission are reduced, and mirroring efficiency and performance are greatly improved.
Owner:INSPUR BEIJING ELECTRONICS INFORMATION IND
Video streaming media data distributing and pre-caching method based on UDP (User Datagram Protocol) broadcast
ActiveCN105228028AReduce the number of data transfersReduce data transfer volumeSelective content distributionNetwork packetData transmission
The invention discloses a video streaming media data distributing and pre-caching method based on UDP (User Datagram Protocol) broadcast. The method comprises the following steps: adding preset packet header information into each video cache data packet to be transmitted, and fusing broadcast features of wireless channel transmission; distributing and transmitting video streaming media data in a UDP broadcast-based way; and pre-caching received data packets in combination with a video data pre-caching method based on decision tree judgment. The method is used for transmitting and caching the video streaming media data in a mobile ad hoc network constructed by a smart phone through an ad-hoc mode of a wireless network card. Through adoption of the method, a data transmission frequency and a data transmission amount in the mobile ad hoc network are lowered greatly; channel collision times and local data transmission overhead during data transmission in the mobile ad hoc network are reduced; a network capacity and a data transmission efficiency of the mobile ad hoc network are increased; and a communication efficiency in the mobile ad hoc network is increased effectively.
Owner:南京大学镇江高新技术研究院
Task processing method, task processing system and data processing system
InactiveCN107743246ALittle influence of unstable factorsLess likely to be affected by unstable factorsSelective content distributionData processing systemData splitting
Embodiments of the present invention provide a task processing method, system, and data processing system. The task processing system includes a central node and a plurality of processing nodes. The method includes: the central node obtains tasks to be processed; the central node obtains tasks from the storage system Obtain the data to be processed corresponding to the task to be processed; the central node splits the data to be processed into a plurality of sub-data; the central node assigns the plurality of sub-data to at least one of the processing nodes for data processing Processing: the central node merges the sub-data processed by each processing node. The present invention enables the processing nodes to obtain data directly from the central node through the setting of the central node. At the same time, since the central node has split the data, each processing node only needs to obtain the data it needs to process from the central node. Yes, the network burden is greatly reduced.
Owner:GUIZHOU BAISHANCLOUD TECH CO LTD
Task processing method, node and content distribution network
InactiveCN107707592AReduce the burden onReduce the number of data transfersResource allocationTransmissionContent distributionDistributed computing
The embodiment of the invention provides a task processing method, a node and a content distribution network. The task processing method comprises the steps of, by a first type of child node, obtaining a to-be-processed task which is distributed to task processing nodes where the first type of child node is by a task scheduling node; obtaining to-be-processed data corresponding to the to-be-processed task from a storage node; dividing the to-be-processed data into multiple sub-data; distributing the multiple sub-data to at least a second type of child node of the task processing nodes where the first type of the child node is for data processing; and combining the processed sub-data of each second type of the child node of the task processing nodes where the first type of the child node is. Through the arrangement of the first type of the sub-node, the second type of the child node can obtain data directly from the first type of the child node; as the first type of the child node is subjected to data division, each second type of the child node only needs to obtain the data required to be processed by the child node per se from the first type of the child node. Therefore, the network burden is reduced.
Owner:GUIZHOU BAISHANCLOUD TECH CO LTD
Computing platform implementation method and system for neural network
InactiveCN110321064AReduce the number of data transfersEliminate bottlenecksInput/output to record carriersNerve networkExternal storage
The invention discloses a computing platform implementation method for a neural network. The computing platform reads required data from an external memory, caches the read data and the intermediate calculation result of each operation in an on-chip cache; the method comprises the following steps: reading a first part of data of a feature map required by a first operation from the external memory,executing the first operation and at least one other operation for the first part of data, and storing an operation result for the first part of data back to the external memory; reading a second part of data of the feature map required by the first operation from the external memory, executing the reading operation from the external memory, the first operation and the at least one other operation for the second part of data, and storing the operations back to the external memory. By means of the scheme, the number of times of data carrying between off-chip storage and on-chip cache can be greatly reduced, and therefore the overall processing speed is increased.
Owner:XILINX TECH BEIJING LTD
Monitoring video processing method and device, electronic equipment and storage medium
ActiveCN110636257AReduce the number of data transfersImprove securityClosed circuit television systemsAlarm messageMultiple frame
The invention provides a monitoring video processing method and device, electronic equipment and a storage medium. The method comprises the following steps of: obtaining a monitoring video by the first articulated naturality web terminal; detecting a plurality of frames of video images included in the monitoring video; sending the detected monitoring video to a storage server; caching the detectedmonitoring video by the storage server to a cache region; when the first articulated naturality web terminal detects that the frame rate in the multiple frames of video images exceeds a threshold value, starting the first articulated naturality web terminal; and outputting an alarm message and sending a video recording instruction to a storage server, reading the first part of monitoring video from the cache region by the storage server according to the video recording instruction, receiving the second part of monitoring video by the storage server, and storing the first part of monitoring video and the second part of monitoring video. According to the invention, the camera is enabled to directly realize the application of the motion detection function in the articulated naturality web, the security of monitoring video data is improved, the working efficiency of the storage server is greatly improved, and the space of the storage server is saved.
Owner:VISIONVERA INFORMATION TECH CO LTD
Evolution method of multi-layer grid LBM with buffer area
PendingCN110705183AImprove parallelismReduce interpolationDesign optimisation/simulationComputational scienceCoarse mesh
Owner:SHANGHAI OCEAN UNIV
Data transmission method and apparatus for NVRAM
ActiveCN105549911AReduce the number of data transfersReduce the number of timesInput/output to record carriersData transmissionTime delays
The invention provides a data transmission method and apparatus for an NVRAM, and belongs to the technical field of computers. The method comprises the steps of receiving data; according to the data volume of the data, judging whether a transmission condition is met or not; and if the transmission condition is met, transmitting the data to the NVRAM. The apparatus comprises a receiving module, a judgment module and a transmission module. According to the data transmission method and apparatus, the received data are not transmitted, instead, whether the transmission condition is met or not is judged according to the data volume of the data, and if the transmission condition is met, the data are transmitted to the NVRAM; and when large amounts of concurrent small block data are subjected to writing operation, the data transmission frequency is reduced, namely, the frequency of executing a data transmission preparation stage is reduced, so that the mean time delay of data transmission is shortened and the data transmission efficiency of the NVRAM is improved.
Owner:SUGON INFORMATION IND
An image processing method and device based on embedded gpu and convolution calculation
ActiveCN110246078BReduce memory overheadReduce overheadProcessor architectures/configurationComplex mathematical operationsComputational scienceImaging processing
The invention discloses an image processing method and device based on an embedded GPU and the convolution calculation. The method comprises the steps of optimizing the convolutional calculation in an SSD algorithm; performing matrix transformation on an input image by adopting the memory optimized convolution expansion; using a CUDA to parallelly process to form an intermediate matrix, meanwhile, adopting the convolution kernel matrix row and column expansion alignment, partitioning after the convolution kernel matrix expansion so as to reduce the memory overhead during operation, finally, adopting a highly optimized cuBLAS matrix multiplication function in a CUDA library to carry out convolution calculation parallel acceleration, and finally, combining and outputting the matrixes. According to the method provided by the invention, the memory overhead can be reduced, the performance of the algorithm is improved, the advantages of the GPU parallel control are brought into play, the matrix multiplication time is reduced, and the calculation efficiency is improved.
Owner:HANGZHOU INNOVATION RES INST OF BEIJING UNIV OF AERONAUTICS & ASTRONAUTICS
Data retransmission method based on high-speed down link data packet access technique
InactiveCN100353700CReduce lossShorten the transmission pathError prevention/detection by using return channelCode division multiplexComputer hardwareStreaming data
This invention discloses a data re-transmitting method based on a high-speed down-stream data packet including the following step: adding data NACK signaling and NACK data re-transmitting instruction signaling in 1ub interface in advance. After the re-transmission of the direct physical layer fails, the MAC-hs entity of Node B side does not eliminate data of the buffer storage zone and sends data NACK signaling to RLC of RNC, after receiving the NACK signaling, RLC judges if the re-transmission is carried to generate a NACK re-transmission instruction signaling and send an instruction signaling of NACK data to MAC-hs of Node B, which receives it and judges if it re-transmits the signaling, if so, it reads out data of the buffer zone to re-transmit it on the physical layer, if not, it eliminates data of Node B buffer storage zone.
Owner:HUAWEI TECH CO LTD
Motion estimation device, motion estimation method, motion estimation integrated circuit, and picture coding device
InactiveCN101052128BReduce the number of data transfersReduce processing steps for installationTelevision systemsDigital video signal modificationAuxiliary memoryData transmission
Provided is a motion estimation device in which an amount of pixel data transferred from an external frame memory to an internal reference local memory is reduced. By the motion estimation device, it is possible to reduce a memory capacity and a size or processing of a circuit controlling the pixel transfer. In a reference memory control unit and an internal reference memory, a height of a area to be updated is set to L pixels, where L is power of 2, a logical address segments, whose size is suitable for address calculation, are allocated to picture space, and FIFO management is performs. In another application, an assistance memory is added, and another element other than the assistance memory performs the FIFO management for rectangular areas in an image of a conventional width. As a result, the address calculation is simplified, which makes it possible to reduce an embedded circuit for the reference memory control unit and the internal reference memory.
Owner:SOCIONEXT INC
Wireless network multi-path routing network transmission method
InactiveCN101692740BReduce latencyImprove throughputNetwork traffic/resource managementLow demandData transmission time
The invention discloses a wireless network multi-path routing network transmission method aiming to solve the problem that the existing network coding transmission methods need many time slots, and have too many data transmission times and too high demand for nodes. The main steps of the method are network initialization and data transmission; the network initialization is mainly to determine thelevel of each node and the neighbor node information and complete networking; the data transmission is that a node judges the zone bits of message packets to perform different treatments to differentkinds of message packets, judges the zone bits of the levels of message packets to selectively receive the desired information, judges the local information pool and neighbor information list to select the optimal network coding and performs primary data transmission to complete information transmission and the information transmission of the node. The invention has the advantage of less time slots and data transmission times and lower demand of nodes for network and can be used for multi-user wireless data transmission.
Owner:XIDIAN UNIV
A reconfigurable computing unit supporting multiple working modes and its working method
ActiveCN106155814BImprove work efficiencyEasy to integrateResource allocationDigital computer detailsControl layerLayer interface
The invention discloses a reconfigurable unit supporting multiple working modes and the working modes thereof. The reconfigurable unit is characterized by comprising a control layer, an arithmetic layer and a storage layer; the control layer comprises a state layer interface, a configuration layer interface, a data layer interface, an address generator and a controller; the arithmetic layer comprises an arithmetic device; the storage layer comprises a source operand cache unit and a destination operand cache unit. The working modes of the reconfigurable arithmetic unit comprise the storage arithmetic mode, the pulse arithmetic mode and the stream arithmetic mode, and higher flexibility is provided for algorithm mapping of a computing system. When task mapping is carried out in the computing system, the specific working modes of the reconfigurable arithmetic unit can be selected according to specific features and the bottleneck of the algorithm to be mapped and in combination with specific conditions of network communication and storage bandwidth in the computing system, therefore, the arithmetic throughput capacity and network communication and storage access pressure are considered, and the working efficiency of the whole system is improved.
Owner:HEFEI UNIV OF TECH
A wireless sensor network node fusion data collection method
InactiveCN106851767BReduce the number of transfersReduce data transfer volumeNetwork topologiesHigh level techniquesPrincipal component analysisWireless sensor networking
The invention provides a wireless sensor network node fused data collection method. According to the method, a mathematic model of a variable wireless sensor network data transmission quantity is taken as the basis, characteristics of energy finiteness, communication finiteness, data redundancy and the like in a wireless sensor network actual operating procedure are considered, a data fusion method of a wireless sensor network and router selection and data transmission sequences are taken as consideration elements, compressive sensing, principal component analysis and frame potential are utilized to reduce an amount of nodes involving in data collection, and 'from top to bottom' and 'from bottom to top' algorithms define a transmission router and a transmission sequence, so that optimization on a network data transmission quantity is implemented, integral energy consumption of a network during data transmission is reduced, and precision of data reconstruction is ensured.
Owner:EAST CHINA UNIV OF SCI & TECH
A wireless sensor network data transmission method for facility environment control
ActiveCN104023356BImprove practicalityReduce computationNetwork traffic/resource managementNetwork topologiesControl orientedEnvironmental data
The invention relates to a facilitate environmental control-oriented wireless sensor network data transmission method. The method comprises the following steps of processing the facilitate environmental data sequence acquired by a sensor by a sliding recursive method to obtain a sequence variance, detecting abnormal values in the facilitate environmental data sequence by the Letts' criterion; adaptively determining an error threshold allowable for sensor data of a facilitate environmental control system based on a parabolic equation; establishing a first-order linear regression model at a node side of the sensor and a server side and simultaneously fusing adaptive weighted algorithm in the server side to meet the condition of redundant deployment of sensor nodes to obtain fusion results of the sensor. According to the method, the data sending times of sensor nodes can be reduced to the maximum extent at a specified accuracy requirement, thereby effectively reducing the energy waste and data collisions.
Owner:上海蓝长自动化科技有限公司
B/S-based data transmission system
ActiveCN102523307BReduce transfer volumeReduce the number of data transfersTransmissionData managementData analysis system
The invention discloses a B / S (Brower / Server)-based data transmission system. The B / S-based data transmission system comprises a data analysis system and a data management system, wherein functions and parameters, which are required by the data analysis system for invocation, are transmitted to the data management system; and the data management system invokes the corresponding data according to the received functions and parameters, operates the functions, and returns data obtained by execution functions to the data analysis system. The B / S-based data transmission system reduces data transmission quantity and frequency, thereby improving the data transmission rate.
Owner:CHENGDU LEAD SCI TECH CO LMT +6
Method and device for synchronizing meta information between data nodes
ActiveCN105554135BReduce overheadReduce the number of transfersTransmissionNetwork connectionData node
The invention discloses a method and device for synchronizing meta information among digital nodes applied in a data storage system comprising multiple digital nodes. The method comprises: with respect to every data node, configuring a target data node which is in network connection with the data node and is used for synchronizing the meta information of the data node, wherein the all configured data nodes have network communication; detecting whether the metal information of the data node is updated, if so, taking the data node as a source data node, synchronizing the meta information of the source data node to the target data node, thus updating the meta information of the target data node. In adoption of the solution, the defects in the prior art that the meta information of all data nodes is needed to be synchronized, therefore the data transmission is frequent, the network cost is great and the expended time is long are overcome; the network cost is reduced; the transmission time is controlled; and the synchronizing efficiency is promoted.
Owner:BEIJING QIHOO TECH CO LTD
A monitoring video processing method, device, electronic equipment and storage medium
ActiveCN110636257BReduce the number of data transfersImprove work efficiencyClosed circuit television systemsVideo storageAlarm message
Owner:VISIONVERA INFORMATION TECH CO LTD
Data aggregation method for increasing capacity of wireless sensor network
ActiveCN102438291BIncrease capacityReduce energy consumptionNetwork topologiesTransmissionData transmission timeData aggregator
The invention discloses a data aggregation method for increasing the capacity of a wireless sensor network. The method comprises the following steps of: homalographically clustering the wireless sensor network by using a circular grid; determining aggregated nodes of the clusters, a data aggregation mode of the network and a data transmission mode of the network; and creating a virtual node and thus acquiring a reachable throughput of the node by adopting a scheduling scheme with a load and correlation. By utilizing the method, an actual communication condition of the wireless sensor network is described by using a mode with the communication characteristic, closer to that of a sensor; and furthermore, the data transmission times in the network are reduced, therefore, the balance of the effectiveness and redundancy of information is realized, and the capacity of the wireless sensor network is increased.
Owner:SHANGHAI JIAO TONG UNIV
Routing metric method for opportunistic routing in wireless mesh network
InactiveCN101765143BImprove throughputReduce the number of data transfersNetwork traffic/resource managementData switching networksWireless mesh networkEngineering
The invention provides a routing metric method suitable for opportunistic routing in a wireless mesh network, which is used for calculating minimum transmission times required for transmitting a packet successfully during opportunistic transmission between a source node and a destination node, defining a distance between the nodes according to the routing metric and dividing upstream nodes and downstream nodes. The method takes the broadcasting characteristics of the opportunistic routing into full consideration and allows the nodes, which receive data packets, in a network to take part in the forwarding by making use of the transmission capacity of idle nodes in the network, so the minimum transmission times required for transmitting the packet successfully when the packet is forwarded between the nodes in an opportunistic routing manner are obtained. Compared with the forwarding nodes of the traditional routing metric, the forwarding node which is selected by taking the minimum transmission times as the routing metric is more suitable for the selection of an opportunistic forwarding node set in the opportunistic routing.
Owner:HUAZHONG UNIV OF SCI & TECH
A distributed filter network system and design method
InactiveCN105606381BSimple design methodSure easyVehicle suspension/damping testingDistributed filteringComputer terminal
The invention relates to a distributed filtering network system and a design method. The system comprises the following parts: a filter network unit comprising filters distributed at different physical sites; a sensor sampling unit comprising vehicle-mounted sensors and filtering sensors, wherein the vehicle-mounted sensors are embedded in an automobile suspension system and acquire state information of the automobile suspension system, and the filtering sensors are embedded into the filters and acquire exchange information between the filters and set adjacent filters; and an event trigger unit comprising event triggers corresponding to the filters, wherein each event trigger determines event occurrence time of a corresponding filter, at the event occurrence time, the filters receive the automobile suspension system state information acquired by the corresponding vehicle-mounted sensors and the exchange information of the set adjacent filters, and otherwise, the filters do not act. Compared to the prior art, the system provided by the invention can satisfy the demand of multiple terminals for simultaneously obtaining data, can also effectively prevent filter network collapse, and is low in energy consumption, high in efficiency and high in stability.
Owner:TONGJI UNIV
Method and route equipment for retransmitted layer proxy PIM
InactiveCN100508467CReduce the number of data transfersReduce data transfer volumeSpecial service provision for substationRouting protocolManet routing
Owner:HUAWEI TECH CO LTD
Processing device, communication device and methods thereof
ActiveCN110915179AReduce the number of data transfersReduce loadInternal/peripheral component protectionTransmissionEmbedded systemComputer program
The invention relates to a processing device (100) comprising a buffer (102) coupled to a system bus (104), a ciphering device (106) coupled to the system bus (104), and a memory (108) coupled to theciphering device (106). The processing device (100) is configured to operate in at least one of a deciphering mode and a ciphering mode. When the processing device (100) is configured to operate in the deciphering mode, the ciphering device (106) is configured to receive a ciphered data unit directly from the buffer (102) over the system bus (104), decipher the ciphered data unit so as to obtain adeciphered data unit, and transfer the deciphered data unit to the memory (108). When the processing device (100) is configured to operate in the ciphering mode, the ciphering device (106) is configured to receive a data unit from the memory (108), cipher the data unit so as to obtain a ciphered data unit, and transfer the ciphered data unit directly to the buffer (102) over the system bus (104).Furthermore, the invention also relates to corresponding methods, a computer program, and a computer program product.
Owner:HUAWEI TECH CO LTD
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