549 results about "Transmission protocol" patented technology

A data transmission method and a communication apparatus, relating to the field of communications, and capable of selecting, when a network element supports multiple data transmission protocols, a data transmission mode that enables efficient data transmission. In the method, a third network element receives first information used for indicating at least one data transmission protocol supported by a first network element, and thus a first data transmission protocol for data transmission with the first network element or for data transmission between the first network element and the third network element can be determined on the basis of the first information.

The invention discloses an eddy current data compression transmission optimization method, relates to the technical field of data compression transmission, and solves the technical problems that a compression algorithm lacks scenario adaptation and data transmission lacks priority and link adaptation. Scene demand-algorithm characteristic accurate matching is achieved, compressed data overall reconstruction errors and defect area reconstruction errors are reduced, delay and compression ratio requirements of different scenes are met, data priorities are judged in a multi-dimensional mode, it is ensured that defect data acquisition resources are inclined, key information is prevented from being lost, and the method is suitable for large-scale popularization and application. A transmission protocol is optimized for a short / medium / long distance scene, the protocol adaptability and the transmission efficiency are improved, a transmission scene-link state-data priority three-dimensional linkage transmission strategy is constructed, the bandwidth occupation proportion is dynamically adjusted, core data are preferentially transmitted when links are congested, and resources are fully utilized when the links are idle.

The invention relates to the technical field of unmanned aerial vehicle image processing, and discloses a high-definition image processing and transmission method based on an unmanned aerial vehicle. The method comprises the following steps: acquiring a multi-frame high-definition image sequence obtained in the flight process of an unmanned aerial vehicle; analyzing the image sequence frame by frame, extracting key feature points and generating feature descriptors; establishing a feature matching relationship between adjacent frames, and calculating an inter-frame motion vector; constructing a global motion model according to the motion vector and performing motion compensation; performing region segmentation on the compensated image sequence to divide the image sequence into a dynamic region and a static region; performing multi-scale noise reduction on the dynamic region, and performing texture enhancement on the static region; carrying out fusion reconstruction on the processed dynamic and static regions to generate an optimized image sequence; performing layered coding on the optimized sequence according to a transmission bandwidth condition, and generating base layer and enhancement layer data; dynamically adjusting the priority of two layers of data transmission according to the network state; and sending the data to a ground receiving end through a multi-path transmission protocol.

The invention discloses a satellite-borne equipment embedded system software on-orbit reconstruction method and a satellite-borne equipment embedded system. The method comprises the following steps: partitioning a FLASH memory of a microcontroller of satellite-borne equipment into a region, a BootLoader boot program region and an application program storage region; an independent BootLoader bootstrap program is solidified in the BootLoader bootstrap program area in advance; receiving a program file subpackage from a satellite service computer during on-orbit operation; a two-stage reliable transmission protocol including sequential receiving and packet supplementing receiving is adopted to receive a program file, wrong and missing packets are received and dynamically recorded in the sequential receiving stage, and only the wrong and missing packets are selectively retransmitted in the packet supplementing receiving stage; according to an instruction of the satellite service computer, the received complete program file is verified, the program file is written into the application program storage area after passing the verification, updating is completed, the BootLoader bootstrap program jumps to the updated application program, and on-orbit reconstruction is completed.

The invention discloses a video data transmission method and system based on an FPGA, and relates to data transmission. The method comprises the steps that a video data stream is acquired, and a time sequence signal of the video data stream is analyzed; writing the parallel data into an external memory to form a frame buffer area; packaging the read video data into a data packet meeting a USB3.2 transmission protocol; packaging the data packet based on a USB3.2 link layer protocol; and converting the USB3.2 protocol transmission frame into a differential signal, and transmitting video data in the USB3.2 protocol transmission frame according to the differential signal. In view of data loss caused by mismatching of a video input rate and a USB output rate in the prior art, by establishing an annular buffer structure and adopting a dynamic pointer management and waterline threshold monitoring mechanism, rate adaptive matching of a video data stream is realized, and continuous and stable transmission of video data is ensured.

The invention discloses an air pressure sensor communication control method and system based on PFM pulse frequency modulation, in a multi-sensor networking scene, environmental parameters are converted into analog electric signals through signal conditioning and then mapped into a unique pulse change sequence, and coding optimization is carried out for the matching degree of the pulse sequence and the parameter variable quantity. High-fidelity and low-power-consumption data expression and transmission are realized; anti-interference filtering is implemented through a communication link in combination with a signal transmission protocol, and original parameter data is restored through inverse mapping after the integrity of a pulse sequence is ensured; then, the data of the multi-source sensor is integrated in the main control unit to form a networking parameter data set, abnormal deviation is judged through comparison logic, a control instruction is generated and fed back to a terminal to execute accurate adjustment, a complete link from sensing and optimized transmission to closed-loop regulation and control is formed, and finally high-reliability real-time monitoring and self-adaptive intelligent regulation and control of environmental parameters are achieved.

The invention provides a desktop-level hardware-in-the-loop test system building method, device and equipment, and relates to the technical field of hardware-in-the-loop simulation, and the method comprises the steps: configuring a vehicle network simulation and vehicle dynamics model in an upper computer with a CAN development environment and vehicle dynamics simulation software, a real-time data channel between the two is established through a full duplex transmission protocol; a driver instruction is generated through the driving control panel, and a vehicle state signal is generated through vehicle dynamics software; the wheel speed in the vehicle state signal is converted into a physical excitation signal, and a wheel cylinder pressure signal returned by the controller is collected; the pressure signal is fed back to the vehicle dynamics model to form a closed loop, a test scene is executed, and the desktop-level hardware-in-loop test of the brake controller is completed. By using vehicle dynamics simulation software, the test confidence coefficient is improved; data exchange is carried out by utilizing an FDX protocol of a CAN development environment, and complexity and potential risks of self-development of a communication interface are avoided.

The invention provides an information security transmission method and system for a multiplexing data bus, and relates to the technical field of information security, and the method comprises the steps: deploying a trusted noise node on the multiplexing data bus; a transmission feature vector of the information transmission request is read, the transmission feature vector is input into a generative twinning network for analysis, a twinning transmission feature vector is obtained, and the generative twinning network comprises a predefined similarity item and a corresponding preset similarity threshold value; and sending the information to a trusted noise node for processing to obtain a twin noise signal and a noise transmission protocol, and when an information transmission request is executed, performing interference security transmission on the twin noise signal based on the noise transmission protocol. The technical problem that in the prior art, a multiplexing data bus usually uses a static protection mechanism, the protection means is single, complex attacks are difficult to cope with, and the information transmission safety is insufficient is solved.

The embodiment of the invention provides a batch retrieval method based on a verifiable bloom filter and electronic equipment, and relates to the technical field of data security. The method comprises the following steps: converting a server data set into a key value pair form, and mapping keywords in the data set in the key value pair form into equal repeated codes through an equal repeated code mapping algorithm to obtain an equal repeated code data set; determining a storage position of a second verifiable bloom filter according to a keyword in the equal-repetition-code data set, and storing a data entry corresponding to the keyword in the equal-repetition-code data set and a check code generated based on the data entry to the storage position; the client receives the query keyword set and maps the query keyword set to the first verifiable Bloom filter; and taking each bit of the first verifiable Bloom filter as a selection vector to execute an oblivious transmission protocol to obtain a return result of the server side. The embodiment provided by the invention provides a safe and efficient batch retrieval method based on the verifiable Bloom filter.

The invention relates to the technical field of communication, and discloses a log sending method, a log receiving method, a log sending end and a log receiving end. The log sending method comprises the steps that an original log is converted into a compressed log based on a target log template, the target log template is predefined by a log sending end and a log receiving end and comprises structured data keys in the original log, the original log comprises structured data key value pairs, and the compressed log comprises a target template ID of the target log template; the structured data values are in one-to-one correspondence with the structured data keys in the target log template; the at least one compressed log is aggregated and packaged, a packaged compressed log is generated, and the packaged compressed log comprises a unique identifier of the packaged compressed log; and sending the packaged and compressed log to a log receiving end through a connectionless transmission protocol. According to the technical scheme, the network bandwidth in the log transmission process is saved, the waste of storage resources is avoided, and the system performance overhead is reduced.

This invention provides an adaptive network management system for mesh networks, utilizing advanced wake-up mechanisms that include AI-driven predictive algorithms, adaptive transmission protocols, multi-layer verification processes, and device-specific wake-up profiles. The system is designed to improve network efficiency, reduce latency, and enhance energy management by selectively waking up devices based on real-time conditions, predefined schedules, or a combination of both. This system is applicable to a variety of fields, including military communications, industrial automation, and smart grids, where reliable and efficient network management is critical.

Devices, methods, and computer program products are provided for duplicate delivery prevention for dynamically connected transport protocols. An example method includes receiving, by a destination device, a first data packet from a transmitting device that includes instructions for establishing a dynamic connection between the destination device and the transmitting device and establishing the dynamic connection between the destination device and the transmitting device based on the first data packet. The method further includes maintaining the dynamic connection between the destination device and the transmitting device for at least a threshold time period (T) defining a duration during which data packets are received by the destination device from the transmitting device. Each of the data packets received by the destination device from the transmitting device via the dynamic connection during the threshold time period (T) include data entries indicative of a time at which the respective data packet was transmitted.

Various aspects of the present disclosure relate to PDU set-aware multimedia applications and associated signaling. An NE includes at least one memory and at least one processor configured to cause the NE to encode media of an application into a plurality of application data units (ADUs) as logically independent units of information, group, by an application real-time transport protocol (RTP) sender routine, each ADU into one or more protocol data unit (PDU) sets, determine, for each of the PDU sets, PDU set information, encapsulate the PDU set information for each of the PDUs in the PDU set in an extension header element packetized within an RTP extension header of an RTP PDU corresponding to the RTP PDU payload of each of the one or more PDUs of the PDU set, and transmit the RTP PDUs comprising the PDU set information.

The invention discloses an abnormal signal detection and signal transmission protocol identification method and device, relates to the field of cognitive radio, and is used for improving the practicability and robustness of signal identification in an open set environment. According to the method, the generative adversarial network is utilized to train the first classifier model to classify the time-frequency characteristics of the air interface signals, and the rejection threshold value determined based on the extreme value theory is utilized to perform abnormal signal discrimination. On the basis, a deep convolutional neural network fused with a multi-head self-attention mechanism is used for identifying the transmission protocol type of a normal transmission signal. According to the method, generalization ability and robustness of unknown signal identification in an open environment are effectively achieved.

A device (125) that may configure itself is disclosed. The device (125) may include an interface (305) that may be used for communications with a chassis (105). The interface (305) may support a plurality of transport protocols (330, 355, 345, 350). The device (125) may include a Vital Product Data (VPD) reading logic (310) to read a VPD (130) from the chassis (105) and a built-in self-configuration logic (315) to configure the interface (305) to use one of the transport protocols (330, 355, 345, 350) and to disable alternative transport protocols (330, 355, 345, 350), responsive to the VPD (130).

The invention discloses an inventory battery state monitoring method and device, electronic equipment and a storage medium, and relates to the power supply and matching technical field or other related technical field, and the method comprises the steps that a battery terminal collects the state data of the battery terminal based on a low power consumption monitoring mechanism, and uploads the state data to a Bluetooth gateway; the Bluetooth gateway performs data conversion and uploads a transmission protocol data packet to a cloud platform; and the cloud platform analyzes the transmission protocol data packet to obtain battery state data, inputs the battery state data to the state detection model, carries out abnormal state identification and state trend prediction on each battery terminal through the state detection model, generates alarm information according to identification and prediction conditions, and sends the alarm information to the operation and maintenance terminal. According to the invention, the technical problems of low monitoring efficiency and high loss due to the fact that battery monitoring depends on wired connection for one-to-one monitoring in the prior art are solved.

The application discloses a kind of based on data center application inference big model discovers network topology fault and false alarm self-healing visualization method and system thereof, including using grid division algorithm carries out grid division and forms DeepSeek inference network topology and chip resource mark;Visual image processing is carried out in DeepSeek inference network topology, complete network topology resource re-planning and visual data annotation, output DeepSeek inference big model inference conclusion;From network topology gateway configuration file, the transmission protocol of application is used as input parameter and carried out Deepseek inference big model inference analysis, carries out power quantization;DeepSeek inference network topology node is associated, and alarm is carried out in transmission protocol through the fluctuation of power level.The application uses microfluidic chip to manage the chip that inference big model carries out operation, chip resource mark is input into inference big model, and then uses image definition position and inference big model embedded AI algorithm matching discovers network topology, improves big model inference conclusion and visual accuracy.

Enhanced protocols and devices may be used to alleviate loss of spectrum efficiency in wideband transmission. The protocols may implement a wideband transmission opportunity (TXOP) truncation where one or more of the channels involved in communication over the wideband are released. In one scenario, an access point (AP) may receive, from a wireless transmit receive unit (WTRU), a first CF-End frame that includes a duration field and a basic service set identifier (BSSID) field that includes an individual / group bit. On a condition that the individual / group bit of the BSSID field has a value of one (1), the AP may determine that a scrambling sequence of the first CF-End frame indicates a bandwidth associated with a transmit opportunity (TXOP) being truncated by the WTRU. The AP may then transmit a second CF-End frame at the bandwidth indicated by the scrambling sequence of the first CF-End frame.

This invention relates to the field of computer graphics data processing technology, specifically a method for hot-plugging dynamic outer contour meshes driven by three-dimensional spatial domain and time slices. The steps include: S1, receiving air traffic control message information in real time via a transmission protocol, converting geographic coordinates into target world coordinates, and simultaneously generating management files; S2, constructing a spatial domain mesh in real time based on the four types of management files using a combination of outer contour extrusion and ear-cutting methods; S3, mapping the spatial domain ID and time slice from the message to the spatial domain mesh constructed in S2, constructing a double-key hash index of spatial domain ID and time slice, which serves as the sole basis for the hot-plug manager to determine whether to update or create a mesh, dynamically executing spatial domain mesh hot-plugging. Employing the contour extrusion-ear-cutting method and vertex cache reuse mechanism, combined with the "spatial domain ID and time slice" double-key hash index, it supports dynamic construction and hot-plugging operations of the mesh model, meeting the low-latency rendering requirements of real-time air traffic control data.

The invention provides a non-inductive continuous authentication anti-stealing-link method, which is applied to an HLS streaming media transmission protocol and comprises the following steps: a client sends an authentication request containing unique authentication information to a service server; the service server obtains a first information identifier based on the authentication request, and the unique authentication information, the first information identifier and the live broadcast resource address are included in authentication information and forwarded to an authentication server; the authentication server generates a permission token based on the authentication information, and returns the permission token to the business server; the service server splices the permission token into the live broadcast resource address to form a parametric address, and returns the parametric address to the client; and the client periodically sends a polling request to the live broadcast resource server based on the parametric address so as to obtain the live broadcast content from the live broadcast resource server. The method has the beneficial effects that non-inductive continuous authentication is realized, and the authentication information is complex in composition and not easy to crack.

Aircraft having a security system at the interface between a first domain and a second domain. The aircraft (10) comprises a first domain (12, 14) having lower security requirements, including at least one system (42, 44) for generating an input video stream (20), and a second domain (16) having higher security requirements, including at least one system for processing and / or displaying an output video stream (22) obtained from the first domain (12, 14). It includes a video stream security system (18) forming a video interface between the first domain (12, 14) and the second domain (16), the security system (18) being configured to receive the input video stream (20) according to the first video transmission protocol and to generate the output video stream (22) from the input video stream (20), according to a second video transmission protocol. Figure for the abbreviation: Figure 1

The invention discloses a multi-type data transmission method and device for industrial digital supervision and a medium, and relates to the technical field of data transmission. The method comprises the steps that multiple types of data are accessed, the multiple types of data are classified according to data types, and the multiple types of data comprise character strings, pictures, documents and video data; based on the data type, selecting a transmission protocol for the classified data, and performing differential encryption; receiving data through a stream batch integrated calculation engine layer, selecting a calculation engine according to a data type, and adaptively storing the data to a corresponding storage medium; and monitoring a transmission full-link state in real time, recording blood relationship information in a transmission process, and linking a supervision service system to trigger a response operation. By means of the method, unified transmission of character strings, pictures, documents and videos in one system is achieved, and the complexity of operation and maintenance of multiple systems is eliminated.

The invention relates to a battery health judgment method and system based on data fusion of a charging pile and a BMS, and belongs to the technical field of new energy battery management and charging control. The method comprises the following steps: acquiring charging data of a charging pile, calculating a ratio of a capacity attenuation rate to a cycle index, and filtering abnormal temperature data by establishing a temperature threshold judgment area to obtain a battery standard attenuation parameter; based on the positive and negative correlation of the battery operation state, the original standard data are quantized into health feature scores through a linear normalization mapping method; constructing a battery fusion health degree evaluation model to evaluate the health state of the battery in the current operation state, and distributing weights for the positive and negative related health characteristics through a life contribution adaptive distribution method to obtain a total score of the health degree of the battery; and determining the maintenance information of the current battery health state in combination with a battery health degree grading threshold interval preset by the grading prompt architecture, and transmitting the maintenance information to a power pile terminal platform through an information priority scheduling transmission protocol to output a maintenance prompt.

The invention relates to the technical field of computer graphic data processing, and belongs to a three-dimensional airspace and time slice driven dynamic outer contour grid hot plug method, which comprises the following steps of: S1, receiving air traffic control message information in real time through a transmission protocol, converting geographic coordinates into target world coordinates, and generating a management file at the same time; s2, based on the four types of management files, constructing an airspace grid in real time by combining outer contour extrusion with an ear cutting method; and S3, mapping with the airspace grid constructed in the S2 according to an airspace ID and a time slice transmitted by a message, constructing an airspace ID and time slice double-bond hash index, and dynamically executing airspace grid hot plugging as a unique basis for a hot plugging manager to judge whether to update or newly build the grid. A contour extrusion-ear cutting method and a vertex cache multiplexing mechanism are adopted, in combination with'airspace ID and time slice 'double-bond hash index, dynamic construction and hot plug operation of a grid model are supported, and the low-delay rendering requirement of real-time air traffic control data is met.

The present application relates to the technical field of aquaculture, in particular to a multi-source aquaculture data low-latency anti-interference communication method and system for unmanned feeding ship, comprising the following steps: multi-source aquaculture data acquisition; edge data fusion and instruction layered coding encapsulation, real-time fusion processing through a lightweight neural network at the unmanned feeding ship end to generate decision instructions corresponding to the aquaculture event; multi-node anti-interference networking; data transmission scheduling; data reception and state feedback. By deploying a MobileNet-SSD lightweight neural network at the unmanned feeding ship end, the present application realizes edge real-time cross-modal fusion of aquaculture water environment data and feeding state data, combines layered coding design driven by aquaculture events and channel quality change rate adaptive transmission strategy, avoids data redundancy, guarantees complete transmission of key instruction information when channel quality deteriorates, and effectively solves the problem of insufficient data fusion and transmission protocol adaptability.

The invention discloses a digital management system based on a multi-tenant architecture, and belongs to the technical field of multi-tenant atomic capability platforms, the system comprises an application layer, a business layer, an acquisition layer and a terminal layer, the application layer performs data interaction with the business layer and an external system capability service through a service gateway and a service registration configuration center; the business layer comprises a resource management module, a comprehensive monitoring module, an intelligent operation and maintenance module and a system management module, and adapts and converts atomic service capability interfaces of various transmission protocols through interface adaptation services to obtain atomic capability services provided by application services; and the data storage module is used for realizing multi-tenant database sharing based on the shared database and the independent schema, and realizing logic isolation of the independent schema through code logic. The digital multi-tenant atomic power open system is formed, the hardware cost and the maintenance cost can be greatly reduced, and the resource utilization efficiency is improved.

The invention relates to the technical field of earthquake monitoring, and particularly discloses a real-time waveform data collection and transmission method, a ubiquitous intensity instrument and a system, and the core scheme is that a server cluster composed of a registration management server and a plurality of streaming servers is constructed; after being powered on, the ubiquitous intensity instrument actively sends a registration request to the registration management server; after verifying the legality of the registration management server, the registration management server allocates a streaming server to the registration management server according to a load balancing strategy; the ubiquitous intensity instrument is connected with a specified stream server and continuously sends a real-time waveform data packet, and the real-time waveform data packet and other data packets are all defined by a lightweight data transmission protocol. According to the technical scheme provided by the invention, automatic registration, load balancing and low-delay data collection of more than one hundred thousand levels of stations can be realized, and the data transmission efficiency and the system expansibility are remarkably improved.

The invention provides a time synchronization method and equipment for a hybrid PTP protocol network. The method comprises the following steps: setting a first PTP port to be a full-path time transmission PTP protocol and belong to a first PTP domain; the second PTP port is set to be a partial path time transmission PTP protocol and belongs to a second PTP domain; a first PTP notification message is received through the first PTP port; a second PTP notification message is received through a second PTP port; based on an optimal master clock algorithm, comparing the priorities of the first PTP notification message and the second PTP notification message, and electing a master port and a slave port from the first PTP port and the second PTP port; and packaging and sending the optimal clock information of the PTP notification message received by the master port and the PTP domain to which the PTP notification message belongs according to the PTP protocol standard of the slave port.

The present disclosure provides over-the-air (OTA) upgrade control methods, devices, systems, electronic devices, storage media and autonomous vehicles, relating to the field of autonomous driving, and in particular to autonomous driving operating systems and OTA upgrade of autonomous driving software. The OTA upgrade control method specifically comprises: receiving, through a target interface of a plurality of interfaces, an upgrade package transmitted by an over-the-air control device based on a target transmission protocol; wherein the plurality of interfaces are used to establish a connection with the over-the-air control device, and different interfaces of the plurality of interfaces correspond to different data processing modes of different transmission protocols; and upgrading a sub-module corresponding to the upgrade package based on the data processing mode of the target transmission protocol corresponding to the target interface. The above method can improve adaptability and ensure the processing efficiency of the upgrade.

The invention relates to a data interface identification analysis method. The method comprises the following steps: firstly, obtaining identification data to be analyzed and interface scene parameters containing data interaction frequency, data volume level and data privacy sensitivity; a multi-dimensional analysis decision model is constructed based on the parameters, a target analysis node is screened, and an adaptive transmission protocol and a data compression strategy are determined; performing format verification and redundant field elimination on the data, converting according to a target node format, and encrypting by adopting a corresponding encryption rule in combination with privacy sensitivity; and finally, sending an analysis request containing encrypted data to the target node, receiving a result, verifying the integrity, adapting a result format and a transmission mode according to scene parameters, and outputting the result to a request end. The objective of the invention is to solve the technical problems of poor node adaptability of identification analysis, insufficient data security and mismatching of analysis efficiency and scene requirements in different interface scenes.