46results about How to "Increase data transfer volume" patented technology

The invention relates to a topology control method for wireless sensor network based on uneven cluster, belong to sensor technical field, comprising: during the topology generating stage, introducing an uneven minimum mean square subtraction clustering mechanism on a finished cluster in order to reduce energy consumption of in-cluster node; using a strategy based on cluster head energy consumption for setting cluster head changing time, in order to equalize energy consumption on each cluster head node in the network; establishing a cluster head-cluster head energy sensing route, in order to avoid remote wireless transmission; during topology maintenance stage, using a cluster head selection scheme based on node surplus energy and in-cluster node distribution, and using the same strategy to set cluster changing time. With the realization of the method, it can reduce total network energy consumption and equalize energy consumption on each node, in order to prolong cooperative working time of most nodes in the network.

The embodiment of the invention discloses a data distribution method and device, a mobile terminal and a storage medium The method comprises the following steps: determining a data packet distributionratio between a first WiFi channel and a second WiFi channel in a double WiFi mode based on at least one of an application type distribution strategy, a data packet type distribution strategy, a linkquality distribution strategy and an access point AP type distribution strategy; Wherein the first WiFi channel comprises a data channel connected with the first WiFi module, and the second WiFi channel comprises a data channel connected with the second WiFi module; And distributing the data packets needing to be transmitted in the first WiFi channel and the second WiFi channel according to the data packet distribution proportion for transmission. According to the embodiment of the invention, the data transmission quantity of the WiFi network can be improved.

The invention provides an input data calculation method, a calculation engine and a storage medium. The multi-party computing method comprises the following steps: executing a computing task by utilizing a computing engine cooperatively computed by four computing nodes, and acquiring a multi-party computing instruction corresponding to the computing task and acquiring a private data set by the computing engine; wherein each private data set is obtained by executing a random decentralized processing mode required by multi-party calculation on the basis of a calculation engine; according to a multi-party calculation instruction, performing local calculation on the acquired private data set by each calculation node, and performing interaction on intermediate data generated by the local calculation to obtain a calculation result held by each calculation node; wherein the calculation results held by part of the calculation nodes selected from the four calculation nodes are used for generating a processing result; wherein the processing result is a processing result of processing the input data by the computing task. According to the method, the data transmission quantity of the four computing nodes for multi-party computing is effectively improved, and the computing complexity is reduced.

The invention relates to a multi-machine synchronous communication system and a multi-machine synchronous communication method, and belongs to the technical field of communications. A plurality of SS chip selection lines with single function in an existing synchronous communication system bus is cancelled. A new synchronous communication system bus is achieved by using at least one data transmitting line and a plurality of data receiving lines. A chip selection signal and a control signal are transmitted via the same data transmitting line. The bus manner is high in line use ratio, high in transmission rate and large in data throughout. Because a real-time signal and a non-real-time signal are separately transmitted, the system and the method of the invention are very suitable for being applied to a collection control system.

A method for transmitting data of system on chip includes setting at least one data register with countermark in access controller of direct-storage at system on chip, filling data of source unit and state position of data register countermark into said data register by source stator, fetching data in said data register and transmitting fetched data to destination device by destination state when state position corresponding to destination stator is on fetch-able state. The access controller of direct-storage at system on chip is also disclosed.

The present invention provides application system log information transmission method and system. Said application system includes background manage module and said background manage module management controlled foreground processing module; said foreground processing module transmitting application system generated log information to background manage module. Said method includes A, foreground processing to proceed cache processing to log information; B, background manage module transmitting log calling command to foreground processing module; C, foreground processing module according to said log calling command transmitting log information to background manage module. The present invention can avoid communication blocking between before and foreground and background module due to a lot of log information transmission, at the same time capable of greatly raising data transmission quantity between foreground processing module and background manage module.

A communication apparatus includes a physical layer to perform signal transmission / reception with another communication end, and a data transfer section (DTL) to connect an upper level user application and the physical layer. The DTL includes a profile ID addition section to add a profile ID indicating the type of a data file to a transmission data file based on an instruction from the user application and continuously transmits the data file with the profile ID through the physical layer.

The invention provides a system and method for monitoring agricultural intensive production. The system comprises an information acquisition and processing system arranged in the production field, wherein the information acquisition and processing system is connected with a cloud computing center through a transmission network. The method includes the implementation steps that an ARM development board is used for controlling a control node or extracting video characteristic values of video information of a video acquisition device and transmitting the video characteristic values to the cloud computing center, and after video images are analyzed by the cloud computing center, the ARM development board is controlled to complete agricultural adjustment. Compared with the prior art, the system and method for monitoring agricultural intensive production have the advantages that the agricultural video images are analyzed through the computer vision technology, and the production can be automatically adjusted and controlled according to animal and plant growth models; through image processing based on the embedded development board, the characteristics of video acquired in the agricultural production field are extracted, and the problems of network congestion and large consumption caused by a large data size of large-scale video transmission are solved.

The present invention provides an optical communication device. The device comprises a circuit board, a first optical coupling module, a light deflection module and a second optical coupling module. The circuit board is provided with a plurality of light emission elements capable of emitting different colors. The first optical coupling module includes a plurality of first optical coupling lenses arranged in order and being in one-to-one correspondence with each light emission element. The light deflection module includes a plurality of light deflection portions arranged in order, and each light deflection portion corresponds to one light emission element; each first deflection portion in the deflection portions includes a first reflection surface, and the other deflections in the deflection portions include color separation surfaces; the first reflection surfaces reflect optical signals of the first optical coupling lens corresponding to the first reflection surface, and each color separation surface reflects the light of the first optical coupling lens corresponding to the color separation surface and transmits the optical signals being incident from one light deflection portion; and the second optical coupling module includes a second optical coupling lens and fibers, and the second optical coupling lens is configured to perform coupling of the optical signals from the light deflection module and enter the fibers.

A combined electronic meter panel for car is composed of panel and electronic circuits which include main controller chip, shift register, CAN transceiver, memory chip, LCD, step motors, and controller area network and its bus. Its method for processing information includes such steps as self-testing the contents in memory, receiving the bus message, converting the bus signals to the differential signals of main controller, and storing and analyzing the signals to generate relative signals for controlling the display units.

An image processor, which requires a transfer rate lower than the conventional rate, for transmitting pixel data between a DDR-DRAM and a memory, and is configured of: a decoded chrominance pixel output unit which writes pixel data into a DDR-DRAM per p×q pixel unit or per p×q pixel units, each pixel unit being made up of p lines of pixels aligned in a vertical direction and q rows of pixels aligned in a horizontal direction; and a reference chrominance pixel input unit which reads out the pixel data of the pixels from the DDR-DRAM per p×q pixel unit or p×q pixel units, in which the decoded chrominance pixel output unit has an interleaving unit that interleaves q rows of p×q pixels to be written into the DDR-DRAM, so as to generate a pixel data sequence in which the pixel data of the pixels located in q rows is multiplexed and placed in a line.

The embodiment of the invention provides an image acquisition method and device, a scanning pen and a storage medium, and the method comprises the steps: obtaining a current scanning speed based on aroller disposed at a pen point of the scanning pen; determining a shooting frame rate corresponding to the current scanning speed; and performing image acquisition based on the shooting frame rate. According to the image acquisition method and device, the scanning pen and the storage medium provided by the embodiment of the invention, the current scanning speed is acquired based on the roller arranged at the pen point of the scanning pen, and the shooting frame rate corresponding to the current scanning speed is determined, so that image acquisition is performed based on the shooting frame rate, and self-adaptive adjustment of the shooting frame rate of the camera can be achieved; therefore, it is ensured that the quality of the collected scanned image is enough to be correctly recognized,and meanwhile, excessive images with high overlap ratio are prevented from being collected, and excessive calculation amount and data transmission amount are prevented from being increased.

The embodiment of the invention provides a scanning method and device, a scanning pen and a storage medium, and the method comprises the steps: extracting a spliced image frame from collected image frames based on the number of spliced interval frames, and updating the number of spliced image frames; if the number of the spliced image frames reaches an identification frame number threshold, identifying the images obtained by splicing all the spliced image frames; wherein the splicing interval frame number and the identification frame number threshold are determined based on the current scanning speed of a scanning pen. The scanning method and device, the scanning pen and the storage medium provided by the embodiment of the invention can adapt to different scanning speeds, thereby ensuringthat the quality of the acquired scanning image is enough to enable the image to be correctly spliced and identified, avoiding increasing redundant computation amount and data transmission amount, andimproving the identification efficiency of the scanning pen.

An impulse-type driving method for a liquid crystal display (LCD) is used for driving a pixel array of an LCD panel. The method includes providing a set of impulse control signals to a source driver. The source driver, according to the set of impulse control signals, drives the pixel array. The set of impulse control signals includes a command signal. The command signal includes a field of determining data voltage polarity and a command field. According to a time sequence, the field of determining data voltage polarity provides a polarity data for determining a voltage polarity output by the source driver. The command field and the field of determining data voltage polarity are consecutively and alternatively output, in which the command field allows to add a dynamic command in accordance with a desired action.

The invention discloses a lightweight certificateless industrial Internet of Things access control method and system. According to the method, a local central server responsible for authorization carries out identity authentication on two parties according to an OAuth thought; different from ACE-OAuth, traditional (such as certificate-based) communication key negotiation needs to be carried out before authentication. According to the method, a local server is used as a trusted third party; two-way authentication between a user and a resource server is realized by using challenge response basedon a public key, a token and a password; communication key negotiation is integrated into an authentication process; the resource server does not need to distribute, receive and verify certificates while the security is ensured; the number of interactive rounds in the authentication process can be effectively reduced, then the communication data transmission amount and the key negotiation calculation consumption including CPU occupation, disk occupation, memory occupation and the like are effectively reduced, and the method is more dominant in safety and practicability and is more suitable for resource-limited environments such as the industrial Internet of Things.

The invention discloses a power cable with a high signal to noise ratio. The power cable comprises three main conducting lines and at least one auxiliary conducting line. The axes in the axial direction of the three main conducting lines are arranged in a triangular shape. At least a part of the auxiliary conducting line is located in a gap space among the main conducting lines. The peripheries of the main conducting lines and the auxiliary conducting lines are filled with insulation materials and covered with the insulation materials into a whole. The peripheries of the insulation materials are provided with a corrugated aluminum sheath. The periphery of each corrugated aluminum sheath is provided with an armor layer formed by two layers of armor electric wires in a winding mode and the armor electric wires of the two armor layers are wound in different directions. The periphery of each armor layer is covered with a protective sleeve. Each main conducting line comprises a core line conductor and a shielding layer covering the core line conductor and each auxiliary conducting line comprises a plurality of densely-arranged core line conductors and a shielding layer covering the core line conductors. The diameter of each core line conductor of each auxiliary conducting line is smaller than that of the core line conductor of each main conducting line and the diameter of each auxiliary conducting line is smaller than that of each main conducting line. One main conducting line serves as a signal transmission line. The power cable with the high signal noise ratio is simple in structure and high in anti-jamming capacity.

The invention relates to a method for improving stability of a chain structure ZigBee network, and belongs to the technique of a sensor and the technical field of wireless communication. The method comprises link reconstruction, error control, data fusion and routing protocol steps. The link reconstruction step comprises repairing broken parts of the chain network through adoption of a re-networking mechanism and redundant nodes in a dual-link scene, or searching for a replacing path; the error control step comprises improving data transmission reliability through adoption of a response mechanism and a resending mechanism; the data fusion step comprises combining data received by a certain node into a big data packet and sending the integrated data packet to an aggregation node, wherein the data is sent by multiple sub-nodes; and the routing protocol step comprises improving data sending quality through a scheduling mechanism based on sending and receiving time, node subgroups, and dynamic cluster heads, realizing routing maintenance in a network fault. According to the method, the stability of the chain network is improved; and the practical application value of the chain structure ZigBee network is improved.

The invention relates to electronic equipment and a display signal transmission system, method and device. The electronic equipment comprises: a screen module; and the plurality of close-range transmission chips that have the same data transmission protocol, and each close-range transmission chip is used for transmitting a display signal, so that the screen modules of the plurality of electronic devices which are close to each other are displayed cooperatively.

An image information processing system is provided, which comprises an image input section for receiving image data, a storage section for storing the image data, and a control section for controlling the image input section and the storage section. The image input section, the storage section and the control section are connected together via a data transfer bus line. An image compression section for compressing the image data is provided within or adjacent to the image input section. The control section controls the image compression section to compress non-compressed image data input from the image input section, transfers the compressed image data via the data transfer bus line to the storage section, and controls the storage section to store the compressed image data.

An impulse-type driving method for a liquid crystal display (LCD) is used for driving a pixel array of an LCD panel. The method includes providing a set of impulse control signals to a source driver. The source driver, according to the set of impulse control signals, drives the pixel array. The set of impulse control signals includes a command signal. The command signal includes a field of determining data voltage polarity and a command field. According to a time sequence, the field of determining data voltage polarity provides a polarity data for determining a voltage polarity output by the source driver. The command field and the field of determining data voltage polarity are consecutively and alternatively output, in which the command field allows to add a dynamic command in accordance with a desired action.

The invention discloses a multi-channel CAN FD vehicle information acquisition control system based on 5G communication, and the system comprises a power module, an information transmitting and receiving module with a 5G communication chip, a core control module with an FPGA, a CAN FD bus control module with a CAN FD controller, a bus photoelectric isolation module, and a CAN FD bus interface module, wherein the power supply module is respectively connected with the modules. The multi-channel CAN FD vehicle information acquisition control system based on 5G communication has the beneficial effects that the data transmission quantity and real-time performance are improved, and the multi-channel CAN FD vehicle information acquisition control system has the characteristics of high integrationlevel, simple structure, convenience in operation, small volume and weight, cost saving, equipment volume and weight reduction and the like and is very suitable for automobile and computer control fields.

The invention provides a laser communication system and a laser modulation method, and belongs to the technical field of laser communication. The laser communication system comprises a modulation device, a light adjusting device, a receiving device, and a plurality of laser generation devices with different wavelengths, the plurality of laser generation devices are all coupled to the modulation device, the modulation device is used for dividing to-be-transmitted data information into a plurality of data segments, a level value sequence corresponding to each data segment is searched in a prestored corresponding table, the level value sequence comprises a plurality of level values, a laser generation device corresponding to the level value is obtained according to the position of each level value in the level value sequence, a control instruction corresponding to the level value is obtained according to each level value, and the control instruction is sent to the corresponding laser generation device to enable the laser generation device to emit a laser pulse with the level value corresponding to the control instruction. Compared with the conventional laser communication mode, according to the system and method, the data transmission amount can be greatly improved.

The clustering routing method for heterogeneous cognitive wireless sensor networks relates to the technical field of wireless sensor networks, and solves the problems of high energy consumption, short network life cycle, shortage of spectrum resources and hardware constraints in wireless sensor networks, including random deployment of cognitive nodes and ordinary nodes; judge whether the remaining energy of cognitive nodes is greater than E max , if it is greater than E min , if it is less than , exit, otherwise, randomly select a number between [0, 1], compare the number with the probability of being elected as a cluster head, if it is less than, exit, otherwise, it becomes a cluster head; non-cluster head nodes according to the free transmission mode and the energy amplification factor in the multipath transmission mode, its distance to the base station and its distance to the cluster head to select the cluster head to join the cluster, and the probability of the cluster head being selected is determined according to the number of vacant channels and the edge degree. The invention reduces the energy consumption of the network, prolongs the life cycle of the network, relieves the spectrum shortage and avoids the problem of high hardware demand.

The invention discloses a distributed wireless sensor network clustering routing method, which mainly solves a problem that network energy load is unbalance caused by a hot area problem when a node in a wireless sensor network cluster performs data transmission by utilizing a multi-hopping communication mod. The method is a distributed method, and the node does not depend on perception on a network whole topological structure and only depends on self information and neighbor node information to elect a reasonable cluster head node with combination of fuzzy logic. At a cluster head election stage, the node is subject to performance analysis by utilizing the fuzzy logic. According to the distributed wireless sensor network clustering routing method, node energy, node degree (neighbor node number) and neighbor node energy are taken as evaluation indexes, thereby effectively alleviating the common hot area problem during multi-hopping communication, improving the robustness of a structure network, prolonging life cycle of the network, and improving system data transmission efficiency.

The embodiment of the invention provides a baseband unit, a base station, and a data forwarding processing method. Data to be forwarded are received by a front end switching module, then a forwardingcontrol module performs forwarding path matching on the data received by the front end switching module according to a preset forwarding flow table, and forwards the data to a data exchange sub-modulein a transmission interface module when determining the presence of data to be forwarded to the transmission interface module according to the matching result; and since the forwarding path matchingprocess is advanced, when a certain pieces of data is not sent to the transmission interface module, the data does not need to pass through the data exchange sub-module, but can be directly transmitted by the forwarding control module through the front end switching module, thereby avoiding a data return process between the data exchange sub-module and the forwarding control module, so that the delay is shortened, the data transmission mount within a unit time is improved, and the bandwidth is further improved, then better user experience can be obtained as a result.

The embodiment of the present invention provides a baseband unit, a base station, and a data forwarding processing method. The data to be forwarded is received by the front-end switching module, and then the forwarding control module performs forwarding path matching on the data received by the front-end switching module according to the preset forwarding flow table. , when it is determined that there is data to be forwarded to the transmission interface module according to the matching result, the data is forwarded to the data exchange sub-module in the transmission interface module; since the forwarding path matching process is advanced, when a certain data is not sent to the transmission interface module, the data does not need to pass through the data exchange sub-module, but can be sent directly by the forwarding control module through the front-end switching module, which avoids the data return process between the data exchange sub-module and the forwarding control module, thus reducing the time Delay increases the amount of data transmission per unit time and further increases the bandwidth, so users can get a better experience.

The invention discloses a power cable with a high signal to noise ratio. The power cable comprises three main conducting lines and at least one auxiliary conducting line. The axes in the axial direction of the three main conducting lines are arranged in a triangular shape. At least a part of the auxiliary conducting line is located in a gap space among the main conducting lines. The peripheries of the main conducting lines and the auxiliary conducting lines are filled with insulation materials and covered with the insulation materials into a whole. The peripheries of the insulation materials are provided with a corrugated aluminum sheath. The periphery of each corrugated aluminum sheath is provided with an armor layer formed by two layers of armor electric wires in a winding mode and the armor electric wires of the two armor layers are wound in different directions. The periphery of each armor layer is covered with a protective sleeve. Each main conducting line comprises a core line conductor and a shielding layer covering the core line conductor and each auxiliary conducting line comprises a plurality of densely-arranged core line conductors and a shielding layer covering the core line conductors. The diameter of each core line conductor of each auxiliary conducting line is smaller than that of the core line conductor of each main conducting line and the diameter of each auxiliary conducting line is smaller than that of each main conducting line. One main conducting line serves as a signal transmission line. The power cable with the high signal noise ratio is simple in structure and high in anti-jamming capacity.

The embodiment of the present application discloses a data distribution method, device, mobile terminal and storage medium. The method includes: in the dual WiFi mode, distribution strategy based on application type, data packet type distribution strategy, link quality distribution strategy, access At least one distribution strategy in the point AP type distribution strategy determines the data packet distribution ratio between the first WiFi path and the second WiFi path; wherein, the first WiFi path includes the data path connected to the first WiFi module, and the second WiFi path Including the data path connected to the second WiFi module; the data packets to be transmitted are allocated and transmitted in the first WiFi path and the second WiFi path according to the distribution ratio of the data packets. The embodiment of the present application can increase the data transmission volume of the WiFi network.

The invention discloses a method for realizing real-time image transmission for an object-oriented data exchange protocol DLT698.45. The method comprises: firstly, reporting a triggering event to a main station; capturing and storing image data in real time at a trigger event occurrence position, naming the image data according to a time sequence, packaging an image data packet, transmitting the packaged image data packet to a concentrator, and finally, reading the information of the image data packet by the concentrator according to a DLT698.45 protocol format. According to the invention, theimage data transmission of the monitoring website can be clearly and completely realized in real time, the transmission data volume is reduced, and the stability and reliability of the whole data transmission process are ensured.