539 results about "Data transmission systems" patented technology

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 invention relates to the technical field of satellite communication data transmission, and discloses a satellite communication data transmission system of Internet of Things equipment. The environmental parameter acquisition module of the system is responsible for comprehensively acquiring various environmental parameters of the Internet of Things equipment in satellite communication and providing basic data for subsequent analysis. The learning model construction module establishes a data transmission prediction model by using the parameter data. And the transmission quality prediction module estimates the transmission quality of the satellite channel by means of the model. And the data behavior simulation module simulates the dynamic behavior of the data packet in the channel according to the transmission quality estimation result. And the communication scheme optimization module generates a final transmission strategy according to the simulation result and a preset communication target. Through close cooperation of the modules, the system achieves accurate prediction of satellite channel transmission quality, effective simulation of data packet behaviors and optimization of a communication scheme, and plays an important role in data transmission of the Internet of Things.

The invention relates to the technical field of electric digital data processing, in particular to a data transmission system and method based on a USB interface. The system comprises a main control device, an intermediate device and N external devices, wherein the main control equipment is connected with the intermediate equipment through a USB (Universal Serial Bus) interface, and the intermediate equipment is respectively connected with N external equipment. According to the embodiment of the invention, data transmission can be carried out on the external equipment based on the data security type of the external equipment, whether retransmission is carried out or not is detected in the data transmission process, and different requirements of different external equipment on data security are met, so that the data reliability is ensured, and the reliability and the intelligent level of the data transmission process are improved.

The invention discloses a data full-link dynamic anti-interference optimization transmission method. The method comprises the following steps: S1, constructing a data transmission system architecture comprising a sending end, a transmission link and a receiving end; the sending end detects environment disturbance characteristics in real time, and the receiving end collects receiving signals containing background noise and link distortion; s2, designing a self-adaptive waveform coding strategy at a sending end; s3, performing active channel compensation on a transmission link; channel characteristics are extracted, and channel interference is counteracted in real time through pre-distortion waveform adjustment; s4, deploying an intelligent noise reduction decoding algorithm at a receiving end; a depth feature separation network is constructed, and link residual interference is filtered out by analyzing the time-frequency domain difference between a target signal and a noise component. Through a three-level anti-interference mechanism of adaptive coding of the sending end, active compensation of a transmission link and intelligent noise reduction of the receiving end, the problem that the transmission reliability of signals is reduced due to environment disturbance, channel distortion and noise pollution in a complex environment is solved.

A method for operating a wireless transmission system includes (i) receiving, as input, direct current (DC) power from a power and data connector that comprises a power input and a bi-directional data connector, (ii) generating a driving signal for driving an antenna of the wireless power transmission system, (iii) generating alternating current (AC) wireless signals based on the input DC power and the driving signal, (iv) propagate AC wireless power signals that are based on the AC wireless signals via the antenna, (v) couple with a wireless receiver system via the AC wireless power signals, (vi) receiving data associated with a peripheral device by decoding in-band data signals from the AC wireless power signals that are encoded by the wireless receiver system, and (vii) providing the data associated with the peripheral device to a client device operatively associated with the wireless transmission system, via the bi-directional data connector.

The invention provides a satellite service data analysis method and system based on a dynamic protocol, belongs to the technical field of satellite real-time data processing, and is used for analyzing satellite data downloaded by a data transmission link so as to complete closed-loop verification on a satellite data transmission core data flow path. The method depends on the support capability of an on-satellite data transmission system for a multi-channel downloading mode, and the independent, lossless and time sequence fidelity binary disk falling capability of ground detection equipment for each channel data. The method comprises the following steps: acquiring original downlink data highly consistent with an on-orbit state; secondly, adopting a scheduler model to carry out structured segmentation and affiliation allocation on the AOS frame after the original data stream is restored; and finally, dynamically loading a corresponding protocol description file for each data unit, and performing field-by-field decoding according to a mapping rule of binary data and readable engineering quantity to generate structured table data. The method can be widely applied to whole-satellite integration test scenes of various remote sensing satellites such as optics, SAR and infrared.

The invention provides an RDMA (Remote Direct Memory Access) out-of-order receiving and selective retransmission method, which comprises the following steps of: recording an arrival state of a data packet by adopting a Bitmap algorithm and / or a segmentation marking algorithm of a sliding window, dynamically generating ACK (Acknowledgement Character) or NAK (Negative Attached Keying) feedback information according to the algorithm, and only retransmitting a lost data packet according to the received NAK feedback information. The RDMA out-of-order receiving and selective retransmission method supports Bitmap statistics of a sliding window or a segment marking method of saving a memory, is compatible with an existing protocol and realizes an ACK mechanism of selective retransmission, and avoids the problem of redundant transmission in a traditional mechanism. The invention further discloses computer equipment, a data transmission system and a computer readable storage medium.

The invention provides a cloud side end collaborative cross-domain data transmission system and method, and relates to the field of data processing, and the method comprises the steps: based on the collaboration of a cloud center, an edge node and an equipment end, the cloud center carries out the fragmentation of to-be-issued transmission data to obtain a first data fragment, and carries out the recombination of an uploaded second data fragment; the edge node dynamically selects the optimal transmission path of the data fragments and schedules the transmission of the data fragments; and the device end fragments to-be-uploaded transmission data to obtain a second data fragment, and recombines the first data fragment. The system and the method provided by the invention are suitable for a heterogeneous network, and the data transmission efficiency is greatly improved by performing fragmentation processing on the transmission data and combining a priority transmission mechanism; by dynamically selecting the optimal transmission path of the data fragments, multi-link aggregation is realized, the throughput under multiple network scenes is greatly improved compared with a traditional scheme, and self-adaption of a heterogeneous network can be realized.

The invention relates to the technical field of ice engineering measurement, and discloses an underwater special-shaped structure surface floating icebreaking load spatial and temporal distribution test system, which comprises a flexible high-density distributed pressure sensor array, a high-speed synchronous data acquisition module, an underwater data transmission system and a shore data processing platform, the flexible high-density distributed pressure sensor array is attached to the surface of an underwater target special-shaped structure; the high-speed synchronous data acquisition module is mounted in a sealed cabin in the special-shaped structure of the underwater target, is close to the flexible high-density distributed pressure sensor array and is used for digitalization; the underwater data transmission system is used for communication between the high-speed synchronous data acquisition module and the ashore data processing platform; and the ashore data processing platform is used for reconstructing and visually displaying the pressure field of the special-shaped structure of the underwater target. According to the method, more comprehensive and accurate ice-structure interaction load information can be obtained, and fine structure design is served.

The invention discloses a 3D (three-dimensional) perimeter security system and an operation method thereof, the system comprises a server terminal, a front-end sensing system, a data transmission system and a central control system, the front-end sensing system is networked in multiple groups of partitions, and each group of partitions of the front-end sensing system is provided with a nine-axis sensor, an edge computing all-in-one machine and a switch; and lighting, wind and rain sensor, broadcasting, microwave radar and camera equipment. The data transmission system transmits data; the central control system comprises an application server and a data server. The system forms a first defense line for active detection of the microwave radar and the camera and a second defense line for vibration sensing of the nine-axis sensor, and a monitoring blind area is eliminated through three-dimensional data fusion. The operation method comprises four groups of subsystem modules. According to the method, 'sky-ground-fence 'dead-corner-free monitoring is realized, the false alarm rate is reduced by combining multi-modal data fusion with an intelligent algorithm, self-evolution is realized by edge-cloud federal learning, and threat disposal efficiency is improved by automatic linkage response.

The invention discloses a high-performance reliable transmission system implementation method, and relates to the related field of data transmission control, and the method comprises the following steps: a sending end fragments to-be-sent data according to a preset loading size, outputs a plurality of fragments of the to-be-sent data, and extracts a plurality of protocol heads; the sending end sends a plurality of to-be-sent data fragments to the receiving end in sequence, and the sent data fragments are stored in a sent queue of the sending end; the receiving end performs validity check on the received at least one data fragment, and replies a confirmation message to the sending end according to a check result; and configuring a transmission coordination mechanism, monitoring the transmission process of the plurality of to-be-sent data fragments by using the transmission coordination mechanism, and carrying out coordination construction on the transmission coordination mechanism through the sent queue of the sending end, the received queue of the receiving end and the to-be-sorted queue. The technical problems that an existing data transmission system is low in efficiency and insufficient in reliability are solved, and the technical effect of improving data transmission performance and reliability is achieved.

Systems, computer program products, and methods are described herein for generating and mapping unicode for cross-distributed network data transmissions. The present disclosure is configured to identify a cross-distributed network data transmission comprising source ledger code; generate a core schema for a destination ledger, wherein the destination ledger is based on data of the cross-distributed network data transmission; generate, by a ledger transformation module, a data dictionary, wherein the ledger transformation module receives ledger code from a large language model (LLM); generate code mapping instructions for the cross-distributed network data transmission based on the core schema for the destination ledger; convert the source ledger code to a unicode; receive, by a receiver schema mapping module, the unicode and the code mapping instructions; and generate, by the receiver schema mapping module, an intermediary ledger comprising the unicode and based on the code mapping instructions.

According to the secure data transmission system based on dynamic encryption authentication provided by the invention, a trust root which cannot be tampered is established for the whole system through the hardware password module, and continuous derivation and rotation of a session key are realized by the dynamic key management module on the basis, so that the security risk caused by long-term use of a static key is effectively solved. And the secure communication gateway module executes bidirectional authentication and anti-hijacking challenge response by using a dynamic key, so that the real-time credibility and session continuity of the communication process are ensured. And the strategy control engine uniformly coordinates the behaviors of key management and the communication gateway by receiving and compiling the declarative strategy, so that flexible deployment and centralized management and control of the security strategy are realized. According to the system, a cryptographic basis, a dynamic strategy, real-time monitoring and automatic response are deeply fused, a self-adaptive and automatic deep defense system with the capability of continuously resisting advanced threats is constructed, and the overall safety level and the operation efficiency of data transmission are remarkably improved.

A method for operating a wireless power transfer system is configured for utilizing software for the purposes of thermal mitigation, via re-encoding data in a bitstream for data communicated in-band of wireless power transfer. The data is encoded as binary messages. The method includes inserting one or more sets of non-data low pulses into the binary bit stream to generate a stuffed binary bit stream, each of the one or more sets of non-data low pulses inserted between a number of bits of the binary bit stream. Such inserting adds non-data low pulse time in the in-band data signal.

The invention discloses an atmospheric microparticulate monitoring device and method based on multi-mode sensing, and relates to the technical field of ecological environment monitoring. The device comprises a data acquisition system used for carrying out real-time sample acquisition and signal conversion on conventional pollution factors and meteorological parameters in air; the data analysis system is used for carrying out concentration analysis and early warning on the signals converted by the data acquisition system; the error evaluation system is used for performing error evaluation on the key indexes of the data acquisition system according to the acquired samples; and the data transmission system is used for carrying out cross-regional transmission on the sample acquired by the data acquisition system and the analysis result according to a sensitivity quantity algorithm based on an anonymous model. Real-time monitoring of atmospheric micro-particles with high accuracy and strong applicability is realized based on atmospheric monitoring standards independent of a meteorological monitoring framework, and reasonable adjustment of device parameters is realized by cooperation of the atomic fluorescence spectrometer and the enrichment sampling and pretreatment unit.

The invention relates to the technical field of data transmission, in particular to a shared data transmission system based on double virtual machines. The system is composed of a hardware environment with double virtual machines and shared storage and a software system running on the double virtual machines, and the software system running on the double virtual machines comprises a data collection subsystem used for extracting real-time meteorological data in the shared storage at a set time interval for preprocessing operation; the data distribution subsystem is used for starting a two-stage file concurrence process and respectively sending the preprocessed meteorological data to each receiving platform; the system monitoring subsystem is used for monitoring the concurrent process of the two-stage file in real time; and the log management subsystem is used for recording a sending record of the data distribution subsystem and a real-time monitoring result of the system monitoring subsystem, and generating a log. The data transmission system provided by the invention has full-link monitoring and log analysis capabilities, stable operation of the system is guaranteed, and full-time efficient data transmission is realized.

The invention relates to the technical field of visible light communication, and discloses an intelligent lamp data transmission system based on visible light communication. The system comprises an optical signal processing module, a transmission management module and a terminal control module. The optical signal processing module collects and processes the visible light signal and outputs a light intensity space coding signal; after the transmission management module receives the signal, the signal is decoded by the signal analysis unit to obtain an original data stream signal and a channel interference characteristic signal, the channel optimization unit processes the original data stream signal and the channel interference characteristic signal to obtain an optimal modulation parameter signal, and the transmission strategy unit outputs a dynamic bandwidth allocation signal; in the terminal control module, an adaptive modulation execution unit adjusts the driving parameters of the light emitter according to the optimal modulation parameter signal, a lamp array control unit adjusts the working state of a lamp light-emitting unit and collects a real-time link state signal, and a link monitoring module outputs a communication quality index. The system is suitable for an intelligent illumination and data transmission fusion scene.

The application relates to a data transmission system and a medical imaging device. The data transmission system comprises a stationary part and a rotating part rotatingly coupled in the stationary part, and a first transceiving module and a second transceiving module, the first transceiving module being arranged on the rotating part, and the second transceiving module being located on the rotating axis of the rotating part; the first transceiving module is used for transmitting a first signal to the second transceiving module, and / or receiving a second signal transmitted by the second transceiving module. By using the system, one end of signal transmission is arranged on the rotating part of a rotating scanning gantry of the medical imaging device, and the other end of signal transmission is arranged outside the medical imaging device and on the rotating axis of the scanning gantry of the medical imaging device, a data transmission path between the medical imaging device and an external device is formed in the form of light waves or electromagnetic waves; not only the data transmission distance can be improved, but also the data transmission bandwidth and the data transmission rate can be improved.

The invention discloses a high-speed data transmission system based on a three-dimensional network-on-chip, and relates to the technical field of data transmission. In order to solve the problems of high diagonal communication delay, unreasonable node layout and poor heat dissipation of a traditional three-dimensional network on chip, the adopted scheme comprises a short connection 3D ScMesh topology module which is used for shortening the distance between nodes and reducing the communication delay through horizontal diagonal short connection and TSV vertical cross-layer interconnection on the basis of a 3D Mesh structure and matching an adaptive router and static routing algorithm; the SA-GA hybrid optimization algorithm module is used for completing position planning of the data acquisition nodes and the storage nodes through cooperation of SA and GA and finally realizing resource allocation optimization; and the layered heat dissipation layout module is used for deploying the storage nodes in a heat dissipation dominant area based on a heat distribution model, and solving the problem of heat accumulation of 3D NoC stacking. The method is suitable for scenes with high requirements on data transmission rate, delay and heat dissipation performance, such as a multi-core processor and a large-scale system-on-chip.

Systems, computer program products, and methods are described herein for scalable network data transmission within a network environment. An example system receives a plurality of ETL tasks and task characteristics associated with each ETL task. In addition, the example system captures network environment configuration at periodic intervals. Using a machine learning (ML) model, the example system may dynamically determine additional secondary ETL pipelines to process the plurality of ETL tasks. Once the appropriate secondary pipelines are identified, the system executes the ETL tasks using both the primary and the secondary pipelines, ensuring efficient and adaptable task processing within a network environment.

The invention provides an Ethernet tunnel data transmission system and method. Comprising a parameter configuration module used for performing legality verification on equipment parameters, communication parameters and network parameters, generating a configuration result, writing the configuration result into a running environment, and forming a tunnel mapping table and a session identification rule; the Ethernet access module is used for receiving and analyzing an Ethernet data frame sent by upper equipment and submitting the Ethernet data frame to the packaging and sending module; the packaging and sending module is used for packaging the Ethernet data frame into an EOE mailbox message according to the tunnel mapping table, fragmenting the EOE mailbox message and marking fragment serial numbers; and the deblocking and loopback module is used for recombining the fragment sequence numbers into Ethernet data frames and loopback the Ethernet data frames to the connection corresponding to the Ethernet access module according to a session identification rule so as to complete tunnel transmission of the Ethernet data on the EtherCAT network. According to the invention, unified mapping of the session and the slave station can be realized, EOE packaging fragmentation recombination standardization is realized, a return path is clear, and stable tunnel transmission is guaranteed.

The invention relates to the field of intelligent power grids and intelligent fusion terminals, in particular to an intelligent fusion terminal data transmission system based on multi-channel dynamic encryption, and the system comprises the steps: obtaining to-be-transmitted business data through an intelligent fusion terminal; selecting a plurality of target channels for parallel data transmission through a parallel transmission distribution module, and performing service data distribution based on the activeness of each target channel to obtain target service data of each target channel; obtaining a preset key of each target channel through a data encryption module to encrypt corresponding target service data, and obtaining a target service data ciphertext of each target channel; transmitting the corresponding target service data ciphertext to a data processing terminal in parallel by using each target channel through a data transmission module; and obtaining a preset key of each target channel through the data processing terminal to decrypt the target service data ciphertext, and restoring to obtain the original service data. According to the invention, the real-time performance and reliability of service data transmission of the intelligent fusion terminal are improved.

Systems, computer program products, and methods are described herein for adaptive user-locality-based data transmissions. Embodiments of the present disclosure are configured to generate a first dataset including one or more first data entries associated with a user, process the one or more first data entries of the first dataset, extract, via the processing, one or more geographical data entries of the one or more first data entries, receive, using a network interface, a second dataset including one or more event data entries associated with the one or more geographical data entries, generate a data transmission including data of at least one event data entry of the one or more event data entries, and transmit, using the network interface, the data transmission to a user device of the user via a communication network.

The invention discloses a high-speed data transmission high-order modulation compensation power amplifier linear distortion system, and belongs to the technical field of satellite high-speed data transmission. The system comprises a data processing module, a constellation mapping module, a shaping filtering module, a quadrature modulation module, a radio frequency up-conversion module, a power amplifier output module, a weighting parameter calculation module and a mapping correction module. Phase point analysis is carried out on a power amplifier output signal through a frequency spectrograph, constellation points after power amplifier compression are obtained and are compared with standard mapping phase points to generate correction parameters, then a mapping correction module is used for carrying out weighted adjustment on constellation mapping, and peripheral phase point amplitude compression caused by power amplifier saturation is compensated. According to the method, phase point distribution can be corrected through digital preprocessing under the power amplifier saturation working condition, linear distortion of high-order modulation signals is effectively improved, the power amplifier backoff amount is reduced, the power amplifier efficiency is improved, and the method is suitable for a non-amplitude balance high-order modulation scene in a satellite high-speed data transmission system.

The invention provides a one-way data transmission system based on laser collimation transmission and optical isolation, and the system employs a closed-loop control module which integrates high-collimation laser emission, optical channel guidance, receiving end optical isolation and photoelectric conversion, and signal processing and system monitoring. A complete and intelligent one-way data transmission solution is constructed, strict unidirectionality and physical irreversibility of a laser signal transmission path are effectively ensured, meanwhile, the system can dynamically and adaptively compensate performance fluctuation caused by environment or device factors through real-time monitoring of communication quality and key parameters, and the reliability of the system is improved. Therefore, high-reliability and high-security data transmission is maintained in the whole life cycle, and the long-term stability and anti-eavesdropping capability of the system in a harsh application environment are remarkably improved.

The embodiment of the invention provides a data transmission method and system based on quantum encryption, the method is suitable for being executed in the data transmission system based on quantum encryption, and the system comprises a first communication node, a second communication node, a communication platform and a quantum cryptography service platform. The method comprises the following steps: a first communication node requests a quantum cryptography service platform to obtain a session key; the first communication node encrypts the service data by using the session key and uploads the encrypted data to the communication platform; the second communication node obtains the encrypted data from the communication platform and requests a quantum cryptography service platform to obtain a session key; and the second communication node decrypts the encrypted data according to the session key to obtain plaintext data.

The invention relates to an underwater point cloud data transmission system and method based on vortex light mode division multiplexing, and the system comprises a point cloud data transmission module which is used for modulating the three-dimensional point cloud data of a measured target into two paths of laser signals, carrying out the first preprocessing of the two paths of laser signals, and transmitting an underwater space light signal; and the point cloud data receiving module is used for receiving the underwater space optical signal, performing second preprocessing on the underwater space optical signal, and generating user service data. According to the invention, a double-path vortex optical space division multiplexing technology is adopted, synchronization of target detection and data return is realized, and key technical problems of poor real-time performance, weak anti-interference capability and the like in the aspect of underwater three-dimensional point cloud data acquisition are effectively solved.

The invention discloses a data transmission system and method based on optical remote sensing data. The system comprises a user terminal, a satellite constellation and a ground control center, wherein the ground control center is configured with a terminal position and ephemeris management module, an environment modeling module, a track and sight distance prediction module and a resource scheduling optimization module. A high-precision three-dimensional environment model around a user is constructed by introducing optical remote sensing, and in combination with satellite trajectory calculation and ray tracing / machine learning prediction, link shielding is judged and avoided in advance. Based on a prediction result, the system can perform high-speed burst transmission in a visible window or actively complete satellite switching before shielding, so that the continuity and reliability of satellite direct connection communication in complex environments such as cities and canyons are remarkably improved. According to the invention, the limitation of passive switching in the prior art is broken through, the resource utilization rate and the user experience can be effectively improved, and technical support is provided for constructing an ubiquitous space-ground integrated communication network.

The invention relates to the technical field of satellite communication transmission optimization, and discloses a multi-band collaborative satellite communication remote data transmission system. According to the system, terminal historical data are processed through waveform decomposition, steady-state and transient characteristics are extracted, and a terminal-level dynamic transmission characteristic spectrum is constructed in combination with real-time parameters. And carrying out feature level comparison on the feature spectrum and ground station measured data, fusing time delay, frequency offset and coding distortion differences to generate a difference fusion spectrum, mapping the difference fusion spectrum to a satellite network topology, and identifying an abnormal propagation path and a corresponding physical region. And then activating multi-frequency-band cooperative monitoring, and completing accurate positioning and self-adaptive response of an abnormal region by adjusting satellite node parameters and applying controllable disturbance. According to the scheme, terminal-level behavior characteristics and network topology mapping are utilized, accurate diagnosis from signal tracing to a space path is achieved, and the accuracy of satellite network transmission anomaly management and the autonomous response capability of a system are improved.

The invention discloses an isolated SPI (Serial Peripheral Interface) data transmission system and method. The system comprises an SPI primary side, an isolated transmission interface with two channels and an SPI secondary side. The SPI primary side maps MOSI, SCLK and CSB signals from a host into a unified sending data packet through protocol conversion; the system transmits the sending data packet and the response data packet from the secondary side through the first isolation channel and the second isolation channel, so that a complete SPI communication protocol is realized. Through an innovative protocol conversion architecture, traditional four-wire SPI communication is adapted to a dual-channel isolation interface, the number of required isolation channels is remarkably reduced while high reliability is ensured, and the problem of multi-channel delay inconsistency is solved, so that the technical effects of saving the chip area and reducing the overall power consumption are achieved.