244 results about "Standard protocol" patented technology

The invention discloses a video stream adaptive low-delay real-time transmission method and system based on edge calculation. The method comprises the following steps: receiving a real-time video stream from a network camera, creating a pipeline queue, adding timestamp information for each video frame, and setting a queue protection mechanism; the coded video frames are taken out from the input queue, and the frames in the video are processed through hardware acceleration decoding; the resource use condition of the system is monitored in real time; executing a self-adaptive frame skipping decision according to a performance monitoring result; timestamp generation: dynamically calculating a timestamp interval according to an actual processing frame rate; receiving the decoded original video frame and the corresponding timestamp information, accelerating decoding by using hardware, and executing a video coding operation; and packaging and transmitting the coded video data, and providing a standard protocol interface to be connected with a client for playing. According to the scheme, stable low delay and relatively low resource occupation can be kept, and meanwhile, the video quality is remarkably improved.

The invention discloses a communication system for realizing bidirectional protocol compatibility of an upper computer and a main control module, which comprises a protocol bridging module, an upper computer communication interface module and an inter-module communication interface module, and is characterized in that the protocol bridging module is used for realizing bidirectional analysis and packaging of an upper computer protocol and an internal standard protocol; the protocol bridging module adopts an independent MCU (Microprogrammed Control Unit) processing unit, integrates a protocol analysis unit, a mapping conversion unit and a data encapsulation unit, and is internally provided with a protocol mapping table for the mapping conversion unit and the data encapsulation unit to call; the upper computer communication interface module is used for realizing communication connection between the protocol bridging module and an upper computer, integrates various physical interfaces, and adopts a level and protocol adaptive design to realize seamless butt joint with different types of upper computers; and the inter-module communication interface module is used for realizing communication connection between the protocol bridging module and the main control module, integrates various standard interfaces, and adopts an interface automatic adaptation design to be compatible with interface specifications of different main control modules.

The invention provides a UCIe standard protocol layer data transmission circuit, a related method and a chip, and the circuit comprises a slicing circuit which is configured to segment a data packet from a service port; sending the slice frame and slice description information associated with the slice frame to a framing device; the framing device is configured to fill a flow control unit Flit with the slice frames from the slice devices and slice description information associated with the slice frames, and send the Flit to the deframing device; the frame deframer is configured to determine slice frames belonging to the same service port from the Flit, and send the slice frames and slice description information associated with the slice frames to a packing circuit corresponding to the service port; and the packing circuit is configured to splice the data slices belonging to the same data packet in the slice frame based on the slice description information and output the data packet. The technical problem that extra delay is introduced due to beat insertion due to the fact that large multiplexers need to be introduced in existing protocol layer data transmission of the UCIe standard is solved.

The invention relates to the field of industrial Internet of Things, and discloses an industrial scene-oriented multi-protocol compatible IoT acquisition and intelligent operation and maintenance system, which comprises a configuration management module used for analyzing an encrypted configuration file and dynamically loading a communication protocol driving program by using a reflection mechanism; the data acquisition module is used for establishing connection with industrial field equipment by utilizing the loaded communication protocol driving program and acquiring original data; the data processing module is used for calculating a semantic entropy value of the original data in the time window and marking a data value grade according to the semantic entropy value; the data storage module is used for executing differentiated storage operation on the data according to the data value grade; a memory management module and a data forwarding module. By constructing a data acquisition module comprising a software and hardware dual-mode interface and combining a self-adaptive driving correction mechanism based on physical layer signal feature analysis, the effect of still maintaining communication connection when standard protocol driving fails or equipment aging parameters drift is achieved.

A method for fetching a content from a web server to a client device is disclosed, using tunnel devices serving as intermediate devices. The tunnel device is selected based on an attribute, such as IP Geolocation. A tunnel bank server stores a list of available tunnels that may be used, associated with values of various attribute types. The tunnel devices initiate communication with the tunnel bank server, and stays connected to it, for allowing a communication session initiated by the tunnel bank server. Upon receiving a request from a client to a content and for specific attribute types and values, a tunnel is selected by the tunnel bank server, and is used as a tunnel for retrieving the required content from the web server, using standard protocol such as SOCKS, WebSocket or HTTP Proxy. The client only communicates with a super proxy server that manages the content fetching scheme.

The invention relates to the technical field of computer data processing, in particular to an intelligent model system for automatically generating a standard protocol interface, which comprises the following steps: acquiring demand information input by a user through a demand acquisition module and converting the demand information into standardized demand parameters; the protocol knowledge base module outputs a compliance rule set according to the target protocol type, and the interface generation module automatically generates an interface source code, a configuration file and an interface document according to the standardized demand parameters and the compliance rule set. The verification module verifies and optimizes the generated interface, and the self-learning module updates system analysis logic and rule content according to a verification result. The system adopts a natural language processing and structured analysis double-path fusion technology to realize accurate analysis of requirements, realizes intelligent matching of protocol rules through a protocol knowledge graph, completes automatic generation of codes based on a symbol reasoning and neural code generation technology, forms a complete closed loop of requirement analysis, protocol adaptation, code generation and verification optimization, and realizes automatic analysis of the requirements. And the interface development efficiency and quality are effectively improved.

The invention belongs to the technical field of energy storage power stations and microgrids, and particularly relates to a method for automatically identifying industrial equipment based on a configurable protocol of an EMS. A protocol management module containing point location, equipment and business group management is constructed in an EMS system, and equipment connection information of different manufacturers, point location information (integrated into a standard protocol through a business unified identifier) and a business function and point location association relationship are configured, stored in a corresponding data table and refreshed to a general protocol cache. And the data acquisition program calls the corresponding protocol module to acquire real-time data, stores the real-time data in the data cache, and reads the data from the cache during display. According to the method, logic separation of the protocol and the program is realized, heterogeneous equipment of multiple manufacturers can be dynamically adapted without modifying the program, the problem of incompatibility of the protocol is solved, busy equipment bus and data delay are avoided, and the stability and the maintenance efficiency are improved.

A system and method for medical imaging protocol name standardization includes generating a synthetic training dataset from medical standards in public documentation utilizing knowledge elicitation, wherein the synthetic training dataset includes, for a given language and a given imaging modality, a plurality of combinations of possible medical imaging protocol names for respective standard protocol codes of a plurality of standard protocol codes for each standard medical imaging protocol. The system and method also includes generating a lightweight text classification model from the synthetic training dataset utilizing machine learning. The system and method further includes utilizing the lightweight text classification model to receive a medical imaging protocol name and to output a list of most probable protocol codes based on the medical imaging protocol name.

The invention relates to the field of geographic information system data processing, in particular to a vector tile cutting and publishing system which comprises a heterogeneous data self-adaptive access and normalization subsystem used for receiving multi-mode heterogeneous input; the spatial-temporal feature analysis and index construction middleware is used for generating a metadata index reflecting data spatial distribution features; the vector tile streaming production engine drives a tile generation process based on the metadata index, converts the intermediate state data into a vector tile data packet by adopting a parallel computing architecture, and writes the vector tile data packet into a tile storage warehouse; and the standardized service publishing bus is used for monitoring the change state of the tile storage warehouse in real time and externally providing a vector tile network service interface which accords with a standard protocol. According to the method, the structure barriers of heterogeneous data sources are eliminated, the stability of data production is ensured through topology self-healing, the defect that one set of rules cut all is overcome through a density-based parameter inversion mechanism, and the tile size and the visualization precision are balanced.

The invention belongs to the technical field of intelligent building automation communication, and discloses a KNX protocol hierarchical communication system and method, and the system comprises a microcontroller subsystem and a main control subsystem. The main control subsystem runs a standard Linux operating system and deploys a standard KNX protocol stack, the standard KNX protocol stack comprises a link layer, a network layer, a transmission layer and an application layer and provides a standard programming interface for upper-layer application, and a Web server running on the same Linux system calls the standard programming interface to process KNX communication; the microcontroller subsystem is used for realizing a physical layer function of a KNX protocol; the master control subsystem is connected with the microcontroller subsystem through a USB interface, and the USB interface adopts a private protocol to carry out data transmission. By decoupling a hardware processing layer and a software protocol part, the overall architecture of hierarchical communication is used as a KNX equipment communication node, a complex algorithm can be realized, a bus signal can be responded at a microsecond-level speed, and completeness and reliability of data transmission are ensured by constructing a self-defined private protocol.

A method for fetching a content from a web server to a client device is disclosed, using tunnel devices serving as intermediate devices. The tunnel device is selected based on an attribute, such as IP Geolocation. A tunnel bank server stores a list of available tunnels that may be used, associated with values of various attribute types. The tunnel devices initiate communication with the tunnel bank server, and stays connected to it, for allowing a communication session initiated by the tunnel bank server. Upon receiving a request from a client to a content and for specific attribute types and values, a tunnel is selected by the tunnel bank server, and is used as a tunnel for retrieving the required content from the web server, using standard protocol such as SOCKS, WebSocket or HTTP Proxy. The client only communicates with a super proxy server that manages the content fetching scheme.

The invention discloses a WAF defense capability test method and device based on protocol analysis difference, and relates to the technical field of network security. According to the method, a protocol variation verification test case is constructed to generate a variation test message containing a non-standard protocol feature and a verification load, and the variation test message is sent to a back end through a test link and a reference link; and accurately judging that the WAF is in a state of successful interception, bypassing or repairing to cause bypassing by comparing the response fingerprint with an expected result. According to the invention, comprehensive and automatic assessment of the defense capability of the WAF protocol layer can be realized.

The invention relates to a method and a system for capturing and analyzing industrial network protocol data packets, which solve the technical problem that the existing industrial protocol analysis technology is poor in adaptability to unknown, private or non-standard protocols, and the method comprises the following steps: capturing and screening network data packets for protocol identification. If the protocol is the known protocol, calling a preset analyzer for analysis; if the protocol is an unknown protocol, extracting a protocol feature vector of the protocol, obtaining a candidate protocol and confidence through reasoning of a neural mapping model, and dynamically judging whether to start interactive reasoning to obtain user feedback, calibrating a parameterized protocol template and instantiating to generate an executable analysis rule according to the structural matching degree of an existing analyzer; and finally, registering and using the new analyzer to realize adaptive learning and analysis. The method has the following effects: intelligent identification of an unknown protocol, dynamic construction of an analyzer and system self-expansion are autonomously realized through an adaptive learning mechanism, and normal form upgrading from manual reverse analysis to system autonomous evolution is completed.

The invention discloses an immersive off-road mode switching mode, and relates to the field of vehicle electronic technology and intelligent cabin man-machine interaction, and the method comprises the steps: responding to a switching instruction, and controlling a virtual camera to move towards an off-road scene along a planned path while preloading resources. The system divides a control state according to a transition progress: in a pre-interaction state that resources are ready but transition is not completed, the off-road instrument assembly is controlled to fade in display and open input, a user pre-operation instruction is temporarily stored in an instruction buffer queue through de-duplication logic, and a physical signal is temporarily not issued through a vehicle bus interface; and when the transition time is over and a fully activated state is entered, the queue is locked, and an instruction is converted into a standard protocol data unit to be sent to a chassis electronic control unit. Through the staged state machine and instruction buffer logic, three-dimensional visual rendering and a bottom layer control time sequence are decoupled, and continuity of interactive operation and deterministic transmission of a control instruction are realized while scene switching smoothness is ensured.

The invention relates to the technical field of wireless communication networks, and particularly discloses a high-robustness PTP time synchronization method and system for a wireless Mesh network. According to the method, global topology information and real-time link quality information of a wireless Mesh network are obtained through a centralized network controller, an optimal end-to-end synchronization path is dynamically calculated for a slave clock node, an intermediate node on the path performs residence time accumulation correction in a transparent clock mode, high-precision end-to-end synchronization of a slave clock and a master clock is realized, and the synchronization precision of the slave clock and the master clock is improved. And the synchronization stability is ensured through continuous monitoring and seamless switching of a backup path. The system comprises a centralized network controller, a PTP master clock and a plurality of enhanced Mesh nodes. According to the method, the problems of poor dynamic topology adaptation, large transmission delay jitter, multi-hop error accumulation and the like of a standard PTP protocol in a wireless Mesh network are solved, the synchronization precision and robustness are remarkably improved, and a core support is provided for deterministic scheduling of a wireless TSN network.

The invention provides a communication method and a communication device. The communication method and the communication device support an IEEE protocol, such as an IEEE 802.11 be / Wi-Fi 7 / EHT protocol, an IEEE 802.11 bn / UHR / Wi-Fi 8 protocol, an IMMW protocol, an IEEE 802.15 / UWB protocol, an IEEE 802.11 bf / perception protocol or a satellite flash standard protocol. In the method, if a terminal node supports detection of a radar signal, a management node can send configuration information to the terminal node to instruct the terminal node to detect the radar signal. The terminal node can send the first information to the management node, and the first information is used for determining whether the radar signal is detected, thereby facilitating the management node to perform interference avoidance on the radar signal according to the first information.

The invention discloses a communication method and device. The application supports an IEEE (Institute of Electrical and Electronic Engineers) protocol, such as an IEEE 802.11 be / Wi-Fi7 / EHT (Institute of Electrical and Electronic Engineers 802.11 bn / UHR / Wi-Fi8 protocol, an IEEE Integrated mmWave / integrated millimeter wave / IMMW (Institute of Electrical and Electronic Engineers) protocol, an IEEE 802.15 / UWB (Ultra Wideband) protocol or an IEEE 802.11 bf / sensing / sensing protocol; the method and the system also support a star flash / spark link / nearlink standard protocol. The AMP relay equipment comprises a first request frame, the first request frame comprises first information, and the first information indicates the AMP relay equipment to collect information from at least one AMP station; collecting information from the at least one AMP site based on the event manner; and sending a first response frame to the access point, wherein the first response frame comprises the collected information.

The invention belongs to the field of computer system compatibility and peripheral interfaces, and relates to a domestic desktop terminal peripheral compatibility method and system based on protocol reverse mapping and a computer readable storage medium. According to the method, after peripheral access, three-layer analysis of physical layer signal reversal, data link layer structure reversal and application layer semantic reversal is carried out in sequence, and an equipment interface type, a frame structure and instruction semantics are dynamically identified. And based on the reverse result, dividing the equipment into a standard protocol or a private protocol through a protocol type decision, respectively routing the protocol to a drive straight-through module or an instruction translation executor for processing, and finally providing compatible services for a domestic service system through a unified virtual equipment interface. According to the method, the adaptation problem of a document-free private protocol is solved, plug and play of a Wintel peripheral by a non-x86 architecture domestic terminal is achieved, the protocol compatibility coverage rate is remarkably increased, meanwhile, the CPU occupancy rate is reduced, and the harsh requirement for millisecond response of specific industries such as electric power is met.

The application provides a gateway device and system for a distributed photovoltaic power generation system and a communication method, comprising a master control module, a downlink communication module, a data processing module, and an uplink communication module, which can support multi-protocol compatibility, high integration, high reliability, and deep fusion Internet of Things technology. The application can improve compatibility and integration: unified conversion of multi-brand device bottom layer data into IEC104 standard protocol, breaking heterogeneous barriers; high integration hardware architecture greatly reduces device volume, realizing seamless embedding with field circuit breakers. Optimize deployment efficiency: built-in one-key configuration logic, automatically identify online devices and dynamically generate polling lists through active broadcast handshake, eliminating manual entry hassle and significantly reducing field implementation cost. Safeguard system security: establish an abnormal interruption triggering mechanism, skip regular polling when monitoring data is out of limit, real-time priority transmission of alarm messages, realize second-level response to power station risks, and reduce device damage rate.

The present disclosure provides communication methods and communication apparatuses, which is conducive to improving the efficiency of triggered transmission between an AP and an STA and reducing the cost of scheduled uplink transmission. A method includes determining a request frame for scheduling at least two STAs for data transmission, and sending the request frame to the at least two STAs. The present disclosure supports IEEE protocols, such as IEEE 802.11be / Wi-Fi 7 / EHT protocol, IEEE 802.11bn / UHR / Wi-Fi 8 protocol, IEEE Integrated millimeter (mm) wave (IMMW) protocol, IEEE 802.15 / UWB protocol, or IEEE 802.11bf / sensing protocol. The present disclosure may also adopt spark link / nearlink standard protocol.

The application relates to the NFC technical field, in particular to a power taking method and a passive NFC device, wherein the power taking method comprises the following steps: receiving a plurality of instructions sent by an external NFC terminal according to a standard protocol to enter a card identification and basic information reading process, and converting electromagnetic carriers sent by the external NFC terminal in the process into electric energy; wherein at least one instruction in the plurality of instructions sent by the external NFC terminal is responded and controlled to prolong the duration of the identification and basic information reading process. In the application, at least one instruction in the plurality of instructions sent by the external NFC terminal in the card identification and basic information reading process is responded and controlled to prolong the duration of the process, then the duration of the carrier sent by the external NFC terminal is prolonged, more electric energy is obtained by converting the longer carriers, and the application scene of the passive device with long-time power supply demand is met.

The invention discloses a temperature monitoring method and device in cold-chain transportation. The temperature monitoring method comprises the following steps: acquiring original data in each temperature control device in cold-chain transportation; performing protocol conversion on the original data according to the protocol description configuration template to generate intermediate data; performing cleaning and standardization processing on the intermediate data by using the standardization model to generate standard data; storing the standard data in a database for subsequent query or alarm service; heterogeneous and private equipment protocols are converted into standard protocols through protocol conversion, and convergence and intercommunication of multi-source temperature control data are achieved. And if a new equipment manufacturer needs to be accessed subsequently, only the corresponding equipment adapter needs to be developed, and the business logic and the service interface of the upper layer do not need to be changed, so that the expansion and maintenance cost of the system is greatly reduced.

The present application supports IEEE-related standards, such as IEEE 802.11be, IEEE 802.11bn, IEEE 802.11bf, IEEE 802.15, Wi-Fi 7, Wi-Fi 8, EHT, UHR, IMMW, UWB, or sensing protocols, and may also support the spark link / nearlink standard protocol. Provided are a communication method and a communication apparatus. The establishment of a sensing measurement session in which a first entity participates is requested by means of a first request message, and a plurality of affiliated multi-link devices comprised in the first entity can be connected to each other in a wired or wireless manner, such that the sensing coverage achieved on the basis of the sensing measurement session can be greatly expanded.

The application belongs to the field of computer system compatibility and peripheral interface, and relates to a domestic desktop terminal peripheral compatibility method and system based on protocol reverse mapping and a computer readable storage medium. After the peripheral is accessed, the method sequentially performs three-layer analysis of physical layer signal reverse, data link layer structure reverse and application layer semantic reverse, dynamically identifies device interface type, frame structure and instruction semantics. Based on the reverse result, the device is divided into standard protocol or private protocol through protocol type decision, and is routed to a drive pass-through module or an instruction translation executor for processing, respectively, to finally provide compatibility services for domestic business systems through a unified virtual device interface. The application solves the adaptation problem of undocumented private protocols, realizes plug-and-play of Wintel peripherals for non-x86 architecture domestic terminals, significantly improves protocol compatibility coverage, reduces CPU occupancy, and meets the stringent requirements of millisecond-level response in the power and other specific industries.

This application provides a precoding indication method, apparatus, and storage medium, relating to the field of communication technology. In this method, a network device sends first information to a terminal device. The first information includes a first field, which indicates third information. The network device then sends second information to the terminal device. The second information includes the first field, which indicates fourth information. The first and second information are of the same type. When the third information is related to time-domain precoding, the fourth information is related to spatial-domain precoding. Similarly, when the third information is related to spatial-domain precoding, the fourth information is related to time-domain precoding. By reusing the first field, the network device indicates time-domain precoding. Since no new signaling or indication field is introduced to indicate time-domain precoding information, the impact on standard protocols and terminal implementations is reduced.

The present application provides a communication method and apparatus, the method comprising: generating a trigger frame, the trigger frame comprising a first frame check sequence (FCS) and a second FCS, in which the second FCS precedes the first FCS, the second FCS is continuous, a first portion of the second FCS being included in a first user information field in the trigger frame; sending a trigger frame; the second FCS can be verified more accurately by an FCS verification algorithm assuming that the FCS is continuous. The application supports an IEEE protocol, such as an IEEE 802.11 be / Wi-Fi 7 / EHT protocol, an IEEE 802.11 bn / UHR / Wi-Fi 8 protocol, an IMMW protocol, an IEEE 802.15 / UWB protocol, or an IEEE 802.11 bf protocol; the method can also support a satellite flash standard protocol.

The present disclosure provides communication methods and communication apparatuses, which is conducive to improving the efficiency of triggered transmission between an AP and an STA and reducing the cost of scheduled uplink transmission. A method includes determining a request frame for scheduling at least two STAs for data transmission, and sending the request frame to the at least two STAs. The present disclosure supports IEEE protocols, such as IEEE 802.11be / Wi-Fi 7 / EHT protocol, IEEE 802.11bn / UHR / Wi-Fi 8 protocol, IEEE Integrated millimeter (mm) wave (IMMW) protocol, IEEE 802.15 / UWB protocol, or IEEE 802.11bf / sensing protocol. The present disclosure may also adopt spark link / nearlink standard protocol.

The invention relates to the technical field of vehicle-mounted voice communication, and provides a multi-priority CAN (Controller Area Network) bus voice interaction method and a multi-priority CAN bus voice interaction system, which ensure that the alarm voice with the highest priority can be immediately broadcasted when a vehicle is in any state through dynamic priority arbitration, eliminate the safety risk caused by voice channel blockage and improve the safety of the vehicle. Bus conflicts are reduced by adopting an intelligent voice scheduling strategy, the bandwidth utilization efficiency of the CAN bus is improved, the fluency of a voice system is ensured, intelligent arbitration is realized, and CAN bus voice interaction of timely output of high-priority voice is ensured; meanwhile, the system can understand scenes (for example, navigation is more important during high-speed driving) so as to provide more intelligent voice interaction experience better meeting user requirements, the design is based on a standard CAN protocol, hardware does not need to be changed, only software upgrading is needed, and popularization and application are easy.

The application relates to a schedule synchronization method and device, computer equipment and a storage medium. The method comprises the following steps: displaying a configuration interface of a first application, the first application being an application supporting a standard protocol; acquiring an open account based on the configuration interface, the open account being a virtual account corresponding to the standard protocol and created in a second application supporting a private protocol; and in response to a schedule display operation, displaying a first synchronized schedule through the first application, the first synchronized schedule being obtained by updating original schedules of the first application based on to-be-synchronized schedule data related to a private domain account corresponding to the open account in the second application, the private domain account being a real account corresponding to the private protocol in the second application. The method can synchronize schedules in different applications.

This invention provides a method for automatic cross-system invocation of AI marketing based on the MCP protocol, comprising the following steps: receiving marketing task instructions generated by the AI ​​marketing system; parsing the marketing task instructions, extracting task elements and labeling them with scene tags; matching available tools from the MCP registered tool library based on the scene tags and task type; performing permission verification and security verification; invoking the available tools according to the standardized format of the MCP protocol by calling the execution engine; collecting the execution results of each tool and generating an execution report in a unified format; and feeding the execution report back to the AI ​​marketing system. This invention provides a method for automatic cross-system invocation of AI marketing based on the MCP protocol, which has a high degree of standardization and reduces integration costs: it extends marketing-specific standards on the basis of the standard MCP protocol, unifies the task description format, communication protocol, and data format, and solves the API fragmentation problem.