1606 results about "Data transmission systems" patented technology

The invention discloses a self-adaptive packet data transmission system and method based on Beidou short messages, the system is composed of eight core modules such as a serial port communication module, a protocol conversion module and a configuration module, multi-link communication is established through an RS232 serial port and a Beidou director, and Baud rate self-adaptive adjustment and multi-serial port parallel processing are supported. The protocol conversion module adopts a finite-state machine to analyze a BDS-3 protocol, data fragmentation and recombination are achieved in combination with a sliding window algorithm, and the compression rate reaches 3: 1. The method comprises the following seven stages of flows: evaluating channel quality by detecting a message, and dynamically switching a BDS-3 anti-interference mode; implementing flow control by adopting a token bucket algorithm, and dividing three levels of QoS guarantee emergency instructions; and terminal health management is realized through a heartbeat detection and diagnosis instruction set. According to the method, instruction execution is delayed by 1.2 seconds in emergency communication, the bit error rate is controlled to be 0.0005%, the transmission efficiency is improved by 40% compared with a traditional scheme, and the method can be widely applied to the fields of Internet of Things, intelligent transportation and the like.

The invention relates to the technical field of communication, in particular to a low-delay data transmission system and method for marine observation data, and the system comprises a data collection module which collects the multi-modal data of a marine environment, and carries out the priority classification of the data according to the real-time performance and importance; the route optimization module dynamically adjusts a multi-path fragmentation strategy and single-path task distribution in combination with a reinforcement learning algorithm and path optimization data; the communication module supports multi-mode communication modes such as laser communication and low-orbit satellite communication, and monitors the link state in real time; and the data fusion and analysis module performs dimension reduction, fusion and real-time analysis on the data by using manifold learning and a graph neural network, and meanwhile, predicts a long-term trend through time sequence analysis to generate observation report data. The method effectively reduces the transmission delay of high-priority data, improves the response efficiency of the system to abnormal events, and is suitable for the scenes of marine disaster early warning, environment monitoring and the like.

The invention relates to the technical field of data transmission processing, in particular to a data transmission method and system based on bird dynamic perception. According to the invention, the group perception vector obtained through the multi-dimensional perception fusion algorithm can comprehensively capture the complex features of the network environment, and compared with a traditional single-dimensional network state monitoring method, the method can significantly improve the accuracy and comprehensiveness of network environment perception. Therefore, the data transmission system can identify network congestion, link quality change, abnormal node state and other conditions more accurately, thereby providing more reliable basic information for subsequent transmission decisions. The group coordination information formed through group coordination analysis processing can effectively solve the problem that all paths in traditional multi-path transmission are lack of coordination, mutual interference and resource conflicts among the paths are remarkably reduced, and the utilization efficiency of overall network resources is improved.

The invention relates to the technical field of environment monitoring, solves the problem that a monitoring system and method cannot meet the requirements for accuracy and real-time performance of animal behavior research and climate environment research in a plateau area at the same time, and particularly discloses a monitoring system and method integrating environment monitoring and animal monitoring recognition. Comprising a sensing system, a data transmission system and a data processing system, the sensing system is used for collecting environment and animal data of a monitoring site, and the data processing system is used for receiving and processing the data and analyzing the change trend and the correlation influence degree of the environment data and the animal data; the monitoring method comprises the following steps: acquiring environment and animal data through the environment monitoring network and the animal behavior sensing network; data is transmitted to the data processing system in real time through the data transmission system; the data processing system analyzes the dynamic change trend of the environment data and the animal data; and generating early warning information and triggering a protection measure execution instruction. The method can be used for monitoring the plateau environment and animals, and is high in accuracy and high in real-time performance.

The invention discloses a wireless public network communication data transmission system based on multiple central stations, which relates to the technical field of data transmission and comprises a load sensing and balancing module, a path reconstruction module, a self-adaptive coding modulation module and a safety tunnel management module. The load sensing module realizes load balancing and stable transmission by monitoring indexes of a central station in real time and performing dynamic migration connection; the path reconstruction module adjusts and optimizes path parameters by using federal learning, dynamically adjusts a transmission path and optimizes path quality; the adaptive coding modulation module dynamically adjusts a modulation scheme according to channel conditions, generates a pre-coding matrix in combination with environment information, and improves the transmission efficiency; the security tunnel module adopts a plurality of encryption technologies and dynamic port hopping mechanisms to ensure the security of data transmission; according to the invention, the load balancing capability, the transmission efficiency and the security of the system are effectively improved, and the method is suitable for a complex and changeable wireless public network environment.

The invention relates to the technical field of industrial Internet of Things, and discloses a low-delay industrial Internet of Things data transmission system based on a 5G network. The system comprises a plurality of functional modules such as a data acquisition module, a data preprocessing module, a network transmission optimization module and a congestion control module. The data acquisition module acquires a heterogeneous data set, the preprocessing module performs standardization processing, the network transmission optimization module selects an optimal channel and node, and the congestion control module predicts flow and adjusts a transmission strategy. In addition, the system also has the functions of security encryption, heterogeneous data synchronization, dynamic spectrum allocation and the like. Through cooperative work of the modules, the system realizes low-delay and high-reliability transmission of industrial Internet of Things data, effectively processes heterogeneous data, guarantees data security, improves spectrum utilization efficiency and energy efficiency, enhances fault tolerance and compatibility of the system, and is suitable for various industrial scenes.

The invention discloses an unmanned aerial vehicle data transmission system based on information importance grading. In the invention, through dynamic priority division and intelligent resource scheduling, the execution reliability of the key task in a complex environment is obviously improved. The system preferentially guarantees stable transmission of first-level data (such as positions and emergency instructions) in a weak signal scene, and a standby machine is quickly switched to a relay node or a cluster topological structure is adjusted, so that task failure caused by communication interruption is avoided. Even if the signal strength of the sub-machine is suddenly reduced, the system can still ensure real-time return of key instructions, meanwhile, unnecessary data are automatically compressed or delayed, bandwidth occupation is reduced, the task success rate is effectively improved, and the overall stability and adaptability of a communication network are enhanced through predictive resource deployment and dynamic path optimization. The intelligent relay scheduling module combines real-time environment data and task requirements, deploys a standby machine to a high-risk area in advance, and reduces the risk of communication interruption caused by terrain shielding or weather interference.

The invention relates to the technical field of fire-fighting engineering, and discloses a real-time fireproof monitoring data transmission system for fire-fighting engineering construction, which comprises a fire parameter analysis module, an environmental data analysis module, a fire source positioning module, a model construction module and a safety database. The fire parameter analysis module generates a temperature change record table through gridding temperature measurement nodes, estimates the smoke diffusion rate, and evaluates the thermal stress and deformation risk of the building structure; the environment data analysis module associates the air velocity with the smoke diffusion rate and corrects the parameter weight of the evaluation model; the fire source positioning module generates a fire source three-dimensional positioning map by using multispectral imaging equipment; the model construction module constructs a dynamic fire assessment model according to multi-dimensional data and outputs a comprehensive threat level; the security database stores building material parameters, historical case characteristics, and dynamic threshold rules. According to the system, through multi-module cooperation and multi-data fusion, the accuracy and timeliness of fire-fighting monitoring are improved, and the system is suitable for safety management of fire-fighting engineering.

The invention provides an electric energy load real-time data acquisition and analysis method based on a low-cost scheme, and the method comprises the following steps: constructing a distributed data acquisition network, employing a combined hardware architecture of a current / voltage sensor and a low-power-consumption MCU, and achieving the data acquisition optimization through a dynamic sampling rate adjustment mechanism, when the load fluctuation exceeds a set threshold value, the sampling rate is automatically increased, when the load is stable, the sampling rate is reduced to a calibration sampling rate, and a Kalman filtering algorithm is adopted to carry out real-time data preprocessing; a three-level data transmission system is established, the three-level data transmission system comprises an edge acquisition node layer, a convergence gateway layer and a cloud processing layer, an optimized AODV routing protocol is adopted among nodes to construct a star-shaped and net-shaped hybrid network topology, and an optimal transmission path is dynamically selected according to the signal strength and the network congestion condition; a differentiated QoS transmission strategy is designed, and data is divided into three priorities of fault alarm data, real-time monitoring data and historical data.

The invention belongs to the technical field of information positioning, and particularly provides a UWB-based personnel positioning data security management and control system and a UWB-based personnel positioning data security management and control method. Comprising a UWB positioning label, a UWB positioning base station, a data transmission system and a management and control center. The UWB positioning tag is used for transmitting a UWB signal; the UWB positioning base station is used for receiving and processing UWB signals; the data transmission system transmits the processed signal to the management and control center; the control center analyzes the signals and displays information of related personnel; according to the invention, accurate positioning is realized by using the UWB technology, and multiple arrangement modes are suitable for different use environments; and a centralized management and unified issuing form is adopted, so that the overall management and control efficiency of the power plant is improved.

A method is disclosed. The method includes receiving and storing, by a processing computer, a set of user data associated with a user, and an encrypted data packet from an authorizing entity computer, the encrypted data packet comprising sensitive data associated with the user encrypted using a first cryptographic key. The method includes receiving, from a user device, a request comprising at least some user data in the set of user data, determining the encrypted data packet corresponding to the at least some of the user data, and responsive to determining the encrypted data packet, obtaining a second cryptographic key. The method also includes decrypting the encrypted data packet with the second cryptographic key to obtain the sensitive data, and processing a transaction using the sensitive data or a derivative thereof.

The invention relates to the technical field of wireless communication, in particular to a joint pilot frequency data transmission authorization-free random access method, which comprises the following steps of: constructing a joint pilot frequency data transmission system model in cellular-free large-scale MIMO (Multiple Input Multiple Output), deducing a user spectrum efficiency closed expression, and establishing a maximum and minimum user power allocation optimization problem; reconstructing an objective function and constraint conditions in the optimization problem, constructing an inter-AP power distribution optimization problem model, converting the inter-AP power distribution optimization problem model into an equivalent convex feasibility problem by adopting a bisection method, and performing optimal power distribution; and constructing a constraint condition by using the optimally allocated spectrum efficiency, and solving by using a successive approximation method and an iterative algorithm model by using a maximum non-conflict user number as a target function to obtain a configuration parameter of maximum user number access of the joint pilot frequency data transmission system model. According to the method, multiple scenes of simultaneous access of large-scale users are met, the signal processing overhead is low, the time delay is low, the signal processing complexity is low, the optimal configuration scheme can be optimized, and the feasibility is good.

The invention discloses a data transmission system and method based on RDMA, and mainly relates to the technical field of computers, firstly, an RISC-V module (106) initializes all modules, issues related configuration information to a transmission control module (102) and an LRDMA module (103), notifies an opposite terminal to prepare to receive data, the transmission control module (102) uploads information of a sensor interface module (101) to a storage module (107), and the storage module (107) stores the information of the sensor interface module (101). The RISC-V module (106) is used for transmitting data to the LRDMA module (103) and generating a corresponding instruction to the LRDMA module (103), the LRDMA module (103) reads corresponding data from the storage module (107) after receiving the corresponding instruction and sends the data to an opposite end, data transmission completion operation is carried out, the RISC-V module (106) clears all transmission parameters, and the transmission control module (102) stops queue transmission. According to the method and the device, the storage and logic resource pressure of sensor access can be effectively relieved, and light-weight high-bandwidth transmission oriented to sensor access is realized.

The invention discloses a remote data rapid transmission system and method based on the Internet, a client initiates a session establishment request containing a session type identifier and a transmission protocol identifier to a server, receives a session response message after transmitting an initial data packet, obtains a temporary session key through verification of a key distribution center, and transmits the session response message to the server; an authorization identifier and a protocol verification symbol are generated through hierarchical decryption, a security enhancement data packet is constructed and sent, an end-to-end encryption transmission channel is further established, and meanwhile, a session maintenance mechanism is provided. And the server verifies a session type identifier and a transmission protocol identifier of the client, generates a session response message containing a dynamic confusion strategy and a trap identifier, submits the session response message to a key distribution center for signature, returns the session response message to the client, activates a secure transmission service instance after verifying a security enhancement data packet, and implements a series of security control strategies. According to the invention, the problems of low transmission efficiency and poor security of the existing remote data transmission system are effectively solved, and efficient and secure data transmission is realized.

A call center data transfer system includes one or more processors that are configured to receive call data related to information provided by a caller during a first portion of a call with a first customer service representative. The one or more processors are also configured to assign an identifier to the call in response to receipt of an indication that the call should be transferred from the first customer service representative, associate the identifier with the call data in one or more databases, receive the identifier as an input during a second portion of the call with a second customer service representative, and use the identifier to retrieve the call data from the one or more databases. The one or more processors are further configured to display the call data via a display for visualization by the second customer service representative.

The invention is suitable for the technical field of data processing, and provides an illumination lamp data transmission system, which comprises a plurality of illumination lamps, a plurality of PLC concentrators respectively connected with the illumination lamps on an electric power circuit in a region where the illumination lamps are located, LPWAN gateways connected with the PLC concentrators, and a monitoring center communicating with the LPWAN gateways through an LPWAN network. The lighting lamp is provided with a data acquisition module and a PLC module; the PLC concentrator is provided with a modulation-demodulation module, an error detection module and a data forwarding module; the LPWAN gateway is provided with a data coding module, a data packaging module and an LPWAN communication module; the monitoring center comprises a data receiving module, a decoding processing module and a data processing module. The problem that an existing lighting lamp is poor in data transmission signal stability in a special environment where communication is inconvenient is solved.

An internal peeping detection-while-drilling system includes an intelligent probing rod, cable drill pipes, a signal relay sub, a ground control terminal, a data interpretation and goaf reconstruction imaging software system, and a remote data transmission system, where the intelligent probing rod includes an up-down separated protective transmission mechanism and an instrument cabin; the intelligent probing rod includes a lower end connected to a drilling bit, and an upper end connected to each of the cable drill pipes; the instrument cabin is provided in the up-down separated protective transmission mechanism, and provided with a sonar-lidar-audio / video sensor assembly; the cable drill pipes are connected to each other to form a cable and data transmission channel; the signal relay sub is provided between the cable drill pipes at intervals; and an uppermost end of the cable drill pipe is connected to the ground control terminal.

The invention relates to the field of industrial automation, and provides a data transmission method and device, a controller and a data transmission system. The method comprises the steps that a first kernel is triggered, so that the first kernel runs an Ethernet protocol stack to transfer a data acquisition request into a shared memory area, an inter-kernel request message is sent to a second kernel, and the data acquisition request comprises slave station address information of a target real-time Ethernet slave station; triggering a second kernel to enable the second kernel to run an Ethernet protocol stack, and reading the data acquisition request from the shared memory area; running a security protocol stack, reading a target file corresponding to the data acquisition request from the target real-time Ethernet slave station, transferring the target file into a shared memory area, and sending an inter-core response message to the first core; and triggering the first kernel to enable the first kernel to run an Ethernet protocol stack, reading the target file from the shared memory area, and forwarding the target file to the data requester. According to the invention, the data transmission security and reliability of the EtherCAT industrial system can be improved.

The present invention discloses a data transmission method and a data transmission system for remote takeover of unmanned mining trucks, belonging to the technical field of data transmission. When the data transmission method is executed by the sending end, it includes: obtaining the data to be transmitted and its data type; in response to the data type of the data to be transmitted being video data, encoding and encapsulating the video data in sequence to obtain the original data packet and FEC redundant packet; sending the original data packet and FEC redundant packet to the receiving end; based on the retransmission request sent by the receiving end, sending the original data packet specified by the retransmission request to the receiving end; wherein, the encoding code rate and the transmission code rate sent to the receiving end are obtained by adjusting the code rate by the GCC congestion control algorithm according to the prediction result output by the pre-trained network prediction model, the actual delay sent by the receiving end, and the bandwidth detection result. The present invention can ensure the real-time performance of data transmission and improve the security and controllability of remote takeover.

The invention provides a low-altitude networking of intelligence multipath data transmission system based on MPQUIC, and belongs to the technical field of novel network protocols, and the system comprises a network state analysis module which is used for obtaining the network state indexes of all communication paths of an unmanned aerial vehicle under different position coordinates; the flow scheduling module is used for predicting the track of the unmanned aerial vehicle, scoring the communication paths by combining the network state indexes of the communication paths, and obtaining the communication paths corresponding to the data flows with different priorities of the unmanned aerial vehicle according to the priorities of the data flows with the scores of the communication paths; and the path selection optimization module is used for dynamically adjusting weight parameters in communication path scores based on deep reinforcement learning by taking network throughput maximization and time delay minimization as targets to obtain optimal communication paths corresponding to data streams with different priorities. According to the invention, the problem that the prior art is difficult to have high reliability and low time delay due to the dynamic change of the network environment caused by the position change of the unmanned aerial vehicle in the low-altitude Internet of Things is solved.

The present invention belongs to the field of steel structure building construction detection. Disclosed are a prefabricated steel structure welding data transmission system based on digital twin, and a method. The prefabricated steel structure welding data real-time transmission system based on digital twin comprises an unmanned aerial vehicle, which is used for flying to a high point of a prefabricated steel structure, wherein an RFID tag positioning identifier is provided at the top of the unmanned aerial vehicle, and is used for identifying RFID tags attached to edges of welding positions. By using an image registration and superposition module, an image, which is processed in real time, is matched and superposed with ultrasonic feedback array points having array point coordinate information; and by means of a result generation module, defective parts are marked on a matched and superposed image which has array point coordinate information, and continuous welding seam length data, height difference data between adjacent array points and a lack-of-welding length value are attached, such that a welding seam quality inspection error is avoided, and the defect situation of each welding point can be effectively uploaded to a computer for checking, thereby avoiding the quality problem of a steel structure building that is caused by an error of a welder.

The invention relates to the technical field of communication networks, and provides an image data transmission system and method based on multi-scale compression and time sequence analysis, and the method comprises the steps: S1, carrying out the preprocessing of transmitted video data through a transmitting end, and obtaining a preprocessed video frame; s2, performing feature extraction on the video frame by using a CNN (Convolutional Neural Network) and a hierarchical attention model based on Transform; s3, modeling information between the video frames through local motion compensation and global motion compensation to obtain multi-scale information, and processing the multi-scale information to obtain compressed video data; and S4, the compressed video data is sent to a video receiving party by establishing a long-short term memory network model and selecting opportunity, and the receiving party recovers the video data by using neural network parameters which are the same as those of a sending end during compression. According to the method disclosed by the invention, the efficient transmission of image data is realized by utilizing a scheme of transmitting a smaller data volume of a video and dynamically adapting to network change during transmission.

The invention discloses a data transmission system and method of an unmanned aerial vehicle, and belongs to the field of unmanned aerial vehicles. The system comprises an unmanned aerial vehicle, an unmanned aerial vehicle hangar and a vehicle, the unmanned aerial vehicle hangar is located outside the vehicle, and a beacon plate with a communication function is arranged in the unmanned aerial vehicle hangar; the unmanned aerial vehicle is used for collecting first data and sending the first data to the beacon plate based on the first data transmission parameter; and the beacon board is used for receiving the first data and sending the first data to a central control platform of the vehicle based on the second data transmission parameter. The unmanned aerial vehicle hangar is deployed outside the vehicle, the beacon plate with the communication function is arranged in the unmanned aerial vehicle hangar, the beacon plate is used for receiving the first data collected by the unmanned aerial vehicle, shielding interference of a vehicle body metal structure on wireless signals is avoided, and it is guaranteed that the first data can be stably transmitted to the beacon plate; the first and second data transmission parameters are set based on different transmission stages, the transmission strategy is flexibly adjusted, and the integrity and transmission efficiency of data transmission are improved.

The invention provides a PCIe (Peripheral Component Interconnect Express)-Ethernet high-speed data transmission system based on an FPGA (Field Programmable Gate Array), which belongs to the field of communication of digital circuits and comprises a PCIe interface module, a gigabit Ethernet interface module, a DDR3 (Double Data Rate 3) cache module and an AXI (Advanced eXtensible Interface) bus control module. The high-speed data transmission capability of the PCIe interface and the flexible port expansion capability of the gigabit Ethernet interface are integrated, and a user datagram protocol (UDP)-based control logic is constructed to realize data interaction between the PCIe and the gigabit Ethernet, so that high-speed and reliable data transmission is realized; and the high requirements of a high-speed signal acquisition and playback system and the like on the data transmission rate and reliability are met.

The invention discloses a multi-base-station cooperative data transmission system, and relates to the technical field of communication, a multi-base-station digital twinborn model is constructed, a signal transmission quality allowable confidence interval is obtained by using the multi-base-station digital twinborn model, and then a candidate base station set is screened out through the signal transmission quality allowable confidence interval; predicting future position coordinates of the user by using the user track parameters, and outputting a user track prediction map; outputting a time distribution characteristic and a space distribution characteristic of the candidate base station set by using a multi-base-station digital twin model, and outputting a space-time channel quality map of the candidate base station set; and screening the candidate base station set based on the user track prediction map and the space-time channel quality map of the candidate base station set, obtaining a comprehensive score of the screened base station, and outputting a cooperative base station list and a switching strategy. Intelligent switching and efficient cooperation based on digital twin modeling and dynamic prediction are achieved, and the reliability and user experience of a communication network are remarkably improved.

The invention discloses a data transmission system, method and device, a storage medium and a computer program product, and relates to the technical field of communication. The data transmission system comprises a virtual machine, a virtual RDMA device and a host, wherein the virtual RDMA device runs between the virtual machine and the host. Wherein the virtual machine is used for running an application; the virtual RDMA equipment is used for registering a virtual memory and a virtual RDMA connection corresponding to the virtual machine, configuring a memory mapping relation between the virtual memory and a physical memory and a connection mapping relation between the virtual RDMA connection and the physical RDMA connection, and issuing the memory mapping relation and the connection mapping relation to the host; and the host is used for transmitting the RDMA data of the application according to the memory mapping relation and the connection mapping relation. Decoupling of the front-end virtual machine and the rear-end host is realized, the expansibility of connection is improved, a data transmission system is more modularized and is easy to manage, and the overhead of the host is reduced.

The invention discloses an LNG intelligent control valve remote collaborative maintenance and diagnosis method, which belongs to the technical field of liquefied natural gas control, and comprises the following steps: collecting data on an LNG control valve through various sensors; the method has the capability of realizing remote real-time monitoring and maintenance, and by developing a multi-terminal data transmission system and combining an advanced fault diagnosis and prevention and control decision technology, the LNG control valve can quickly judge the fault position and provide a solution when the fault occurs; meanwhile, the method is seamlessly integrated with an STS (safe shutdown system) and an ESD (emergency shutdown system), the safety and the high efficiency of the system are guaranteed, the method is based on the communication technology and the wireless network technology, data can be transmitted in real time, the fault diagnosis and prevention and control decision technology are combined, the fault is rapidly positioned, a solution is automatically generated, seamless integration with the STS and the ESD system is guaranteed, and the system reliability is improved. Therefore, the intelligent management and cooperative maintenance capability of the LNG control valve is improved, and the application effect of the whole method is greatly improved.

The invention discloses a data transmission system and method for improving PCIe retransmission efficiency and a switchboard, the data transmission system comprises the switchboard, and a source end and a target end which are electrically connected with a port of the switchboard, the port comprises a first buffer area and a data packet unloading module, the first buffer area is electrically connected with a subordinate port of the first buffer area to form a first channel, and the data packet unloading module is electrically connected with the subordinate port of the first buffer area; the data packet unloading module is electrically connected with the lower-level port to form a second channel, and the priority of the second channel is higher than that of the first channel; the source end transmits a data packet to the target end based on the first path, and if the residual space of the first buffer area of the port is insufficient, the data packet is transmitted to a data packet unloading module; the data packet unloading module unloads effective loads in the data packet to obtain an unloaded data packet, and transmits the unloaded data packet to the lower-level port through the second channel so as to transmit the unloaded data packet to the target end; and the target end sends a retransmission request to the source end in response to the received unloading data packet. According to the invention, the delay of data transmission can be reduced, and the retransmission efficiency of PCIe data is improved.

The invention discloses a data transmission system which is applied to long-distance transmission of a large amount of data. A plurality of data transmission subsystems connected through a high-bandwidth data transmission link are arranged in the data transmission system, each data transmission subsystem is further connected with a low-bandwidth data access link, and a data temporary storage device is further arranged on each data transmission subsystem and can cache external data obtained from the data access links. In the data transmission process, the data transmission subsystem receives the external data from the data access link, caches the external data to the data temporary storage device, and then transmits the data cached in the data temporary storage device through the high-bandwidth data transmission link, so that the data transmission link can transmit the cached data in a centralized manner at one time; mutual interference between different data streams is avoided, it is ensured that the bandwidth of a data transmission link has a high utilization rate, transmission link sharing is achieved, the data transmission cost is reduced, and then the data transmission efficiency is improved.

The invention provides a data transmission method and system, a chip, electronic equipment and a storage medium, the method is applied to a processing module of the data transmission system, and the method comprises the following steps: under the condition that an interrupt request is received, obtaining a data transmission instruction, and performing data analysis on the data transmission instruction to obtain an interrupt request; obtaining a data operation type, an interface type and a data transmission parameter; acquiring register configuration data corresponding to the interface type, and performing configuration corresponding to the register configuration data and the data transmission parameters on the configuration register through the internal bus; under the condition that configuration of the configuration register is completed, data to be transmitted are obtained through a transmission interface corresponding to the register configuration data, and data transmission corresponding to the data operation type and the data transmission parameter is conducted on the data to be transmitted based on the control register and the encryption and decryption unit. The transmission interface is one of a bus master interface, a bus slave interface and a private interface.