44results about How to "Reduce transmission consumption" patented technology

The invention provides a rapid identity authentication method based on a C / S mode. The rapid identity authentication method based on the C / S mode comprises the steps that (1) a client and a server generate respective random numbers in sequence, carry out encryption on the random numbers, send the encrypted random numbers to each other, carry out another encryption on decrypted random number data of the opposite side, and send the encrypted random number data back to each other, and in the process, the server carries out legitimacy authentication on identity information of the client, and encryption processing is carried out after the client passes through the authentication; (2) the client and the server carry out decryption on the returned data to obtain the random numbers which are processed through encryption protection transmission, comparison is carried out between the random numbers and the random numbers generated by the client, comparison is carried out between the random numbers and the random numbers generated by the server, and the client and the server pass through bidirectional identity authentication when the random numbers and the random numbers generated by the client and the server are consistent. According to the rapid identity authentication method based on the C / S mode, the legitimacy authentication processing process of the client to certificates of the server in the process of authentication is omitted, the process is simple, the process of authentication is rapidly optimized, safety can be ensured, and the rapid identity authentication method based on the C / S mode is especially applicable to the identity authentication processing process of a mobile terminal when the mobile terminal which is limited in terminal operation resource and network transmission capacity is connected to an application system.

The invention discloses a remote file synchronizing method which is realized based on a distributed enterprise service bus. The method can start real-time monitoring of a heterogeneous system in the distributed enterprise service bus to track the dynamic change of a file system, obtains increment information through difference calculation, and then sends to a destination end to complete new file reconstruction. The method disclosed by the invention adopts efficient file discovery, difference calculation and reconstruction polices, so as to greatly reduce the time and transmission quantity for file remote synchronization.

The invention relates to a method for using proxy to accelerate the internet application. Wherein, it uses client (2), server (1), VPN gateway (5), protocol proxy server (4) and protocol client (3); the client and server via proxy server are connected to the proxy client; and the proxy server via quick tunnel (82) is connected to the proxy client. The invention comprises: building the quick tunnel connection between the proxy server and quick client; building the connection (81) between proxy server and client; building the connection (81) between proxy client and server; using the connections (81, 82) and the protocol conversation to transmit data. The invention uses quick tunnel to replace low tunnel in wide network, to reduce the handshake time when transmitting data, without modifying protocol.

The invention provides a three-phase load imbalance automatic adjusting method of a power distribution network. A phase change switch module and a central control region module are arranged. The central control region module comprises a control module and a carrier wave module. The phase change switch module comprises an electric power electronic switch unit and a phase selection switch controller unit. The three-phase load imbalance automatic adjusting process comprises steps of acquiring three-phase current data into the central control region module; calculating imbalance degree; adopting the genetic algorithm during over-limit; coding a vector gene for a three-phase switch switching state corresponding to each load branch; obtaining an optimal phase change control instruction according to corresponding target function of the phase change module; transmitting the optimal phase change instruction to a phase selection switch controller unit of a phase change switch module on each load branch through the carrier wave module; and controlling the electric power electronic switch unit to finish the phase change operation. According to the invention, the method is used for supporting automatic detection during operation of an electric power system, so large quantity of manpower and materials are saved, device safety is improved and power supply reliability is improved.

The invention discloses a driverless car obstacle detection method based on TegraX1 radar data, and the method comprises the steps: 1, employing a velodyne laser radar as a sensor for collecting the environment information, and carrying out the three-dimensional radar data conversion through an NVIDIA Tegra X1 mobile processor; 2, carrying out the obstacle detection based on grids, and employing a GPU to process grid data, wherein the step comprises three substeps: enabling three-dimensional data points to be projected to a grid map, enabling all grids with the relative heights being greater than one threshold value to be set as obstacle points, and filtering out all grids which are determined as the obstacles because there are suspension points in the grids. According to the technical scheme of the invention, the method employs the velodyne laser radar as the sensor for collecting the environment information, and carries out the optimization based on the NVIDIA Tegra X1 mobile processor through the GPU, and achieves the speeding up of the obstacle detection for a driverless car.

The invention relates to a data processing system based on distributed caching. The data processing system comprises a mapreduce data processing module, a map task memory processing module and a reduce distributed caching module, wherein the mapreduce data processing module is used for decomposing submitted user jobs into multiple map tasks and multiple reduce tasks, the map task memory processing module is used for processing the map tasks, and the reduce distributed caching module is used for processing the map tasks through the reduce tasks. The invention further relates to a data processing method based on distributed caching. The data processing system and method have the advantages of mainly serving for the map tasks, optimizing map task processing data, ensuring that the map can find target data within the shortest time and transmitting an intermediate processing result at the highest speed; data transmission quantity can be reduced, the data can be processed in a localized mode, the data hit rate is increased, and therefore the execution efficiency of data processing is promoted.

The invention belongs to the field of information processing of Internet of Things and discloses a MQTT-protocol-based screen-oriented information processing system and a realization method. The system comprises a user side, a screen terminal, a server side and Internet. The realization method includes that control and inquiry instructions of an application server are forwarded to the screen terminal for processing after being filtered by a MQTT server; a MQTT-Server server side on the MQTT server is connected with a MQTT-Client client side on the application server for sending messages and aMQTT-Client client side on a screen requesting for subscribing and processes application messages, oriented to the screen, of the MQTT-Client client side. According to the system and the realization method, a message transmission mechanism oriented to the screen based on a release / subscription mode in an environment of the Internet of Things is realized, and the bottleneck problem of service bandwidth of the Internet of Things is solved.

The invention discloses a hybrid retransmission method based on semantic coding. The method comprises the following steps: a main semantic codec and a plurality of incremental redundant semantic codec are trained for content to be transmitted; for a first type hybrid retransmission method, only one main semantic codec is used for replacing an original information source channel for coding and decoding, a sending end performs semantic coding and CRC check coding on an information source and sends the information source, a receiving end performs decoding and CRC check, and if errors exist, code words are discarded, and the sending end is notified to retransmit the same code words; for a second type hybrid retransmission method, the receiving end does not discard error code words after finding errors, the sending end is notified to continue to use an incremental redundancy semantic encoder to encode an information source and send the information source, and the receiving end combines all the received code words every time, uses the corresponding incremental redundancy semantic decoder to complete decoding and carries out CRC check. Compared with a hybrid retransmission method based on traditional forward coding, the invention has the advantages that the sending code length is greatly reduced, and the decoding performance of a hybrid retransmission mechanism in a long-term severe channel environment is improved.

The invention provides an intelligent electronic label information system, which comprises an electronic label and a reader-writer, wherein the electronic label stores an instruction which can be read by the reader-writer; and the reader-writer stores a procedure code corresponding to the instruction and is used for reading the instruction stored by the electronic label and executing the corresponding procedure code. By the intelligent electronic label information system, the equipment manufacturing cost of the electronic label system can be greatly reduced, and the management and running efficiency can be improved; and the implementation range of the electronic label system can be deeply expanded. Furthermore, the storage space of the electronic label is effectively saved, and the transmission consumption and the communication consumption during partial interaction can be reduced. Moreover, a phenomenon that all types of data information are concentratively transmitted to a uniform background server is avoided, the bandwidth consumption and the communication cost of large-scale data transmission in multiple types of application are reduced, the probability that important data information leaks is reduced, and data privacy protection is facilitated.

The invention discloses a method, equipment and a system for causing an A interface to obtain the IP, which are used for realizing the IP processing to the A interface between a base-station control device and a media gateway. The method of the invention mainly includes that the base-station control device carries out the removal of the encapsulation of a rate adapter unit TRAU to received wireless side data so as to obtain the static-load data of a compressed voice code, the static-load data of a compressed voice code is then encapsulated into an IP packet; the IP packet is sent to the mediagateway by the A interface between the base-station control device and the media gateway. Therefore, the method, the equipment and the system can realize the non-code conversion of the path wholly orpartially so as to improve the voice quality and save the equipment cost. Simultaneously, the transmission by the compressed code can also reduce the transmission consumption and the transmission cost, and improve the transmission utilization.

The invention provides a three-dimensional wireless optical sensor network routing method based on clustering, and mainly solves the problem of too fast cluster head death caused by short network survival time and unbalanced node energy loss in the prior art. According to the implementation scheme, the method comprises the following steps: initializing a wireless optical sensor network node; discovering neighbor nodes through an APT system; calculating the optimal cluster head number of the network, and calculating a cluster head election threshold; comparing a random number generated by the node with a threshold value to elect a cluster head; enabling each cluster head to broadcast a data packet containing own information to a neighbor node to establish a cluster structure; enabling eachcluster head to collect data of cluster member nodes and transmit the data to the base station in a single-hop or multi-hop mode; and after one round, restarting clustering to establish a network route. According to the method, the network energy loss is balanced, the problem that the distance between the node and the base station is limited is solved, the network survival time and survivability are improved, and the method can be used for the three-dimensional wireless optical sensor network with high requirements for energy balance and survival time.

The invention relates to a distributed power station accounting system. The system comprises a distributed power station and an accounting platform, wherein the distributed power station comprises a power generation unit, a facility unit and an electricity consumption unit; the power generating unit and the electricity consumption unit are electrically connected with the basic facility unit, respectively; each unit is provided with an electricity metering device and a calculation force module; each investment user subscribes any one or more of the power generation unit, the basic facility unitand the electricity consumption unit by using an account; the electricity metering device on each unit is used for detecting an electricity transmission amount on the unit, converting the electricitytransmission amount into an electricity integral through an intelligent contract and accumulating the electricity integral onto the account of the subscriber of the unit; the investment user uses theelectricity integral on the account to exchange electricity on the electricity consumption unit; the accounting platform is formed by the calculation force modules; and the calculation force modulesare used for broadcasting the electricity integral change information to the accounting platform and one calculation force module is selected to record the change information. According to the system,the trust problem in the electricity integral transaction process is solved.

The invention discloses a lightweight attribute-based signcryption method for cloud-assisted Internet of Things, belongs to the field of attribute-based signcryption, and aims to solve the technical problem of how to reduce the calculation burden required by signature and decryption on the basis of realizing data confidentiality and reliability. The method comprises the following steps that: a central mechanism initializes a system to generate a system key pair and discloses a public key in the system key pair, wherein the public key comprises a symmetric encryption algorithm and a key generation function; the central mechanism generates a decryption key and an outsourcing decryption key for a data user based on the decryption attribute set of the data user, and generates a signature key and an outsourcing signature key for the data user based on the signature access structure; a data owner calls a fog node to perform outsourcing signature, performs symmetric encryption on the plaintext based on the symmetric key, and signcrypts the symmetric key based on the self-defined encryption access structure attribute; and the data user calls the fog node to carry out outsourcing signatureverification, calls the fog node to carry out outsourcing decryption, and finally carries out symmetric decryption on the ciphertext based on an outsourcing decryption result.

The invention discloses a low-energy-consumption decorative base paper continuous production process and device. The method comprises the following steps: starting a sealing water pump, starting a pulper, uniformly feeding, scraping materials and starting a pulp feeding pump. According to the low-energy-consumption decorative base paper continuous production process and device, a motor drives pulping blades to transmit through a transmission mechanism, differential transmission exists in the transmission mechanism, so that a rotating speed difference is generated between a main shaft and an auxiliary shaft, the pulping efficiency is improved, high energy consumption caused by a long force arm connected between the main shaft and a scraper can be avoided through the transmission mechanism,transmission consumption can be further reduced through gear transmission, and therefore the energy consumption of the device is lower.

The invention discloses an electrical cable higher in safety. The electrical cable comprises an outer protection sleeve and inner protection sleeves. The outer protection sleeve is composed of a flame retardant protective layer, a polyvinylidene chloride protection film layer, a shielding layer and an aluminum foil layer from outside to inside. The outer protection sleeve is internally provided with an inverted-Y-shaped framework. The tail end of the inverted-Y-shaped framework is fixedly connected with the aluminum foil layer. The inverted-Y-shaped framework is internally provided with an aluminum framework in an embedded mode. Each inner protection sleeve is sequentially divided into a high-intensity fiber yarn layer and a waterproof layer from outside to inside. According to the electrical cable higher in safety, the shielding layer is additionally arranged in the outer protection sleeve, most electromagnetic radiation can be shielded, the body health of a user in the using process is guaranteed, and the additionally-arranged aluminum cross-shaped framework makes electric contact with the aluminum foil layer in the outer protection sleeve, so that transmission consumption is lowered to the minimum; the high-intensity fiber yarn layer, the waterproof layer and a flame retardant protection layer are additionally arranged, so that the tensile, waterproof and fireproof performance of the electrical cable can be further enhanced.

The invention relates to the technical field of data processing, and discloses a data logic calculation method. The method comprises: obtaining a data set and a calculation logic script of the data set; loading the computing logic script into a preset distributed storage computing node, and running the computing logic script through a compiling program in the distributed storage computing node; judging whether the calculation logic script is successfully operated or not; if the operation is successful, taking the compilation program as a target compilation program; if the running fails, adjusting parameters of the compiling program according to a running result, and running the computing logic script again until the computing logic script runs successfully to obtain a target compiling program; and performing logic calculation on the data set by utilizing the target compiling program to obtain a logic calculation result of the data set. The invention further provides a data logic calculation device, electronic equipment and a computer readable storage medium. According to the invention, the high efficiency of data logic calculation can be realized. In addition, the invention also relates to a blockchain technology and an artificial intelligence technology.

The present invention discloses a method and apparatus for improving transmission efficiency of a virtual machine template. The method comprises: after generating a virtual machine template, generating a corresponding template description file for the virtual machine template, wherein a range of all non-zero byte blocks in the virtual machine template is recorded in the template description files; and before downloading the virtual machine template, acquiring the template description file corresponding to the to-be-downloaded virtual machine template, analyzing the range of all the non-zero byte blocks of the to-be-downloaded virtual machine template, downloading and obtaining each non-zero byte block, and forming the to-be-downloaded virtual machine template with the non-zero byte blocks obtained by downloading. According to the method and apparatus for improving the transmission efficiency of the virtual machine template provided by the present invention, transmission consumption during a process of downloading the virtual machine template can be reduced, and transmission time of the virtual machine template can be greatly reduced, so that the transmission efficiency is improved.

The invention provides a game data processing method. The method includes the steps that a server enables a received game command to be generated into a game frame and broadcasts the game frame to a plurality of clients, the clients execute the game command in the game frame,and when receiving an additional game command, the clients load the additional game command to a previous game frame X to generate a frame patch of the game frame X, and broadcast the frame patch of the game frame X before the game frame X + 1 is broadcast, wherein the game frame X includes a game command A, and the additional game command is a game command generated by the clients in game operation based on the game command A. The method has the advantages that during the game frame execution process, in the actual process when the additional game command is executed through the frame patch technology, the additional game command can be executed by the player clients without having to wait for a next game frame, the actual response delay time of the game command reaches a theoreticalminimum value; meanwhile, network transmission loss can be reduced through frame aggregation, finally the game experience of theplayers is improved and the game operating cost is lowered.

The invention discloses an adaptive active defense realizing method and system in a WSN (wireless sensor network), and relates to the field of WSN. The method comprises the following steps: A, nodes in the WSN are divided to different node domains according to a preset rule; B, the node in each node domain is set as monitoring node or common node; C, the monitoring node checks data packets passing by and judges whether the data packets are an attack packets or not; if the not, the data packets are forwarded according to a routing path; otherwise, the step D is performed; D, the monitoring node judges whether a common node exists in the current node domain; if so, the common node in the current node domain is activated to carry out defense; otherwise, the step E is performed; and E, the data packets are forwarded according to the routing path till reaching the monitoring node of the next node domain, and then the step D is performed. The method realizes active defense for WSN on the premise of low energy consumption by dividing node domain and setting monitoring node.

The invention relates to a mail sending method and device. The method comprises the following steps: a mail sending request sent by a sending client is received, wherein the mail sending request comprises destination client account information and content of a to-be-sent mail; the content of the to-be-sent mail is analyzed, and a corresponding mail template number is obtained; mail identificationinformation of the to-be-sent mail is generated according to the destination client account information and the mail template number; the mail identification information is saved, and new mail promptinformation related to the mail identification information is sent to a destination client. When the mail is sent, the generated mail identification information is only saved in mail system service, the transmitted data quantity is small, and a large amount of network transmission consumption can be saved.

The invention discloses a method for reducing transmission consumption of neural network model updates at a mobile equipment side. The method comprises the following steps: step 1, mobile equipment selects predicted picture information to upload to the cloud for relearning, and thus the consumption cost of uploading data can be reduced, and the performance improvement brought by relearning cannot be influenced; step 2, the new data uploaded by the mobile equipment is mixed with an old data set to form a larger training set at the cloud, a neural network model is retrained to achieve the learning of the new data, and the problem of catastrophic forgetting in incremental learning of neural networks can be avoided; and step 3, a small amount of weight in a new model is extracted at the cloud and is transmitted to the mobile equipment, an old model that has been deployed on the mobile equipment is updated to ensure that the old model on the mobile equipment can reach the identification performance of the new model, and the cost of data transmission generated when updating old neural network models in the mobile equipment can be reduced. The method disclosed by the invention has the technical effect of effectively reducing the transmission consumption cost of the neural network model updates at the mobile equipment side.

The invention provides an intelligent electronic label information system, which comprises an electronic label and a reader-writer, wherein the electronic label stores an instruction which can be read by the reader-writer; and the reader-writer stores a procedure code corresponding to the instruction and is used for reading the instruction stored by the electronic label and executing the corresponding procedure code. By the intelligent electronic label information system, the equipment manufacturing cost of the electronic label system can be greatly reduced, and the management and running efficiency can be improved; and the implementation range of the electronic label system can be deeply expanded. Furthermore, the storage space of the electronic label is effectively saved, and the transmission consumption and the communication consumption during partial interaction can be reduced. Moreover, a phenomenon that all types of data information are concentratively transmitted to a uniform background server is avoided, the bandwidth consumption and the communication cost of large-scale data transmission in multiple types of application are reduced, the probability that important data information leaks is reduced, and data privacy protection is facilitated.

The invention provides a digital-analog hybrid IP interconnection method for a transfer station. The method comprises the following steps: (1) the transfer station registering to a master node in an IP interconnection system by adopting a unified registration method; (2) after the master node receives the registration request of the transfer station, notifying the transfer station that the registration is successful; (3) after receiving the registration success request, the transfer station initiating a message to inquire the master node about the network routing table so as to generate subsequent service logic; (4) the master node broadcasting the network routing table belonging to the transfer station at regular time; and (5) after the transfer station receives and establishes the network routing table, subsequent service forwarding can be automatically carried out according to the network routing table, and participation of a master node is not needed. According to the invention, the interconnection and intercommunication of the analog channel and the digital channel can be realized, the IP network bandwidth can be saved as much as possible, and the low-consumption and high-efficiency transmission of the network can be realized.

The invention provides a nonlinear system filter design method based on a self-adaption event triggering mechanism. The method comprises the steps of firstly building a state equation of a non-linear system; setting self-adaption event triggering conditions; building a filter model and a system error model of the non-linear system and obtaining an optimal filter of the non-linear system. The method employs the self-adaption event triggering mechanism for the non-linear system which is characterized by random nonlinearity, multiplicative noise and state constraints, so that the performance of filters is improved.

The invention discloses a multi-cable composite high-voltage power cable. The multi-cable composite high-voltage power cable comprises a mounting piece, three ends of the mounting piece are provided with a plurality of second connecting holes at equal intervals; the middle part of the interior of the mounting piece is provided with second heat dissipation holes; the second connecting holes and the second heat dissipation holes are arranged in a through manner; three ends of the mounting piece are provided with first heat dissipation holes penetrating through the three ends of the mounting piece; the three first heat dissipation holes are parallel to the second heat dissipation holes; and a plurality of first connecting holes are formed in the opposite side walls in the second heat dissipation holes at equal intervals in a penetrating mode. The heat dissipation capacity of the cable can be well improved, potential safety hazards caused by heat accumulation are avoided; the weight of the cable can be effectively reduced, the use of the cable is convenient; a shielding effect can be effectively achieved, signal influences are guaranteed, the signal transmission quality is improved; and the cable can be efficiently connected with a matched cable, the working time needed by cable installation is shortened, and the firmness of connection is ensured, and the practicability of the product is improved.

The invention provides an algorithm for decompressing an infrared code based on a sample index. The algorithm comprises the following operations: a, filtering code: acquiring filtered data N through acode filtering formula so as to obtain infrared code-filtered data; b, converting the infrared code-filtered data into hexadecimal data and little endian; c, acquiring a sample code array and samplenumber; d, compressing and converting the sample codes; e, splicing the compression codes with decompression information: the final compression code character string is equal to retention data (fixedas 00)+ sample number+sample code array+compression conversion code; f, performing the decompression algorithm which is the inverse operation to a from e. The length of the transmission data can be greatly shortened after the compression processing, thereby reducing the bandwidth consumption and improving transmission speed in the network transmission. The effect of the algorithm is similar to thecondition that a video forms a smaller video file through a certain decompression algorithm, thereby reducing the transmission consumption and the storage space.

The invention relates to a data processing system based on distributed caching. The data processing system comprises a mapreduce data processing module, a map task memory processing module and a reduce distributed caching module, wherein the mapreduce data processing module is used for decomposing submitted user jobs into multiple map tasks and multiple reduce tasks, the map task memory processing module is used for processing the map tasks, and the reduce distributed caching module is used for processing the map tasks through the reduce tasks. The invention further relates to a data processing method based on distributed caching. The data processing system and method have the advantages of mainly serving for the map tasks, optimizing map task processing data, ensuring that the map can find target data within the shortest time and transmitting an intermediate processing result at the highest speed; data transmission quantity can be reduced, the data can be processed in a localized mode, the data hit rate is increased, and therefore the execution efficiency of data processing is promoted.

The invention discloses a driverless car obstacle detection method based on TegraX1 radar data, and the method comprises the steps: 1, employing a velodyne laser radar as a sensor for collecting the environment information, and carrying out the three-dimensional radar data conversion through an NVIDIA Tegra X1 mobile processor; 2, carrying out the obstacle detection based on grids, and employing a GPU to process grid data, wherein the step comprises three substeps: enabling three-dimensional data points to be projected to a grid map, enabling all grids with the relative heights being greater than one threshold value to be set as obstacle points, and filtering out all grids which are determined as the obstacles because there are suspension points in the grids. According to the technical scheme of the invention, the method employs the velodyne laser radar as the sensor for collecting the environment information, and carries out the optimization based on the NVIDIA Tegra X1 mobile processor through the GPU, and achieves the speeding up of the obstacle detection for a driverless car.