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112 results about "Asynchronous communication" patented technology

In telecommunications, asynchronous communication is transmission of data, generally without the use of an external clock signal, where data can be transmitted intermittently rather than in a steady stream. Any timing required to recover data from the communication symbols is encoded within the symbols.

Robot task management framework system based on asynchronous communication

The invention relates to the technical field of robot scheduling, and discloses a robot task management framework system based on asynchronous communication. The system comprises a task asynchronous analysis module for performing time sequence decoupling on an original task instruction stream of a heterogeneous robot terminal by means of a multi-channel buffer queue to separate out independent executable task units; the resource dynamic mapping module is used for establishing a variable granularity resource allocation mapping table according to cluster real-time load and task resource requirements, and recording various resource dynamic binding relationships; the task priority reconstruction module is used for constructing a directed acyclic graph scheduling topology based on task logic dependence and deadline constraint, and generating a weighted execution sequence through topological sorting; the exception isolation processing module captures exceptions during operation and triggers an isolation strategy; and the cross-node cooperation module guarantees the multi-robot cooperation task state consensus through a distributed consistency protocol. The system is suitable for heterogeneous robot cluster complex task scenes.
Owner:XIAN RUNHE SOFTWARE INFORMATION TECHNOLOGY CO LTD

Dual-channel adaptive network stability test method and system

The invention discloses a dual-channel adaptive network stability testing method and system, and belongs to the technical field of computer network testing. The system adopts a dual-channel asynchronous communication architecture in which a control channel and a data channel are physically separated, instructions and state information are transmitted through an independent TCP control channel, and high-speed test data streams are transmitted through a UDP or TCP data channel. The method comprises the following steps: dynamically and adaptively adjusting a timeout parameter based on real-time network delay detection; nanosecond constant interval packet sending control is realized by using a high-precision monotonic clock source and busy waiting compensation mechanism; a packet loss detection, positioning and ACK confirmation mechanism based on the serial number is realized in an application layer; and real-time statistical display and idle detection automatic termination are realized through multi-thread parallel processing. According to the invention, the precision, the stability and the adaptive capability of network testing are remarkably improved, and the method is suitable for long-time stability testing in various scenes such as a high-speed Ethernet, a satellite link, an industrial Internet of Things gateway and the like.
Owner:SHENYANG BONCHREE TECHNOLOGY CO LTD +1

RDMA asynchronous communication optimization method and system based on lock-free queue, medium and processor

The invention discloses an RDMA asynchronous communication optimization method and system based on a lock-free queue, a medium and a processor, and relates to the technical field of remote communication. The method comprises the following steps: constructing a lock-free annular buffer area at an edge node, registering the lock-free annular buffer area as an RDMA memory area, and configuring a queue and a thread pool; the collection thread concurrently writes data, and the RDMA submission thread asynchronously completes remote transmission based on a buffer area state; and the queue processing thread performs closed-loop linkage transmission and buffer area states through'batch polling-result analysis-state synchronization-exception processing ', and dynamically adjusts the buffer area and queue parameter optimization performance at the same time. The problems that an existing RDMA scheme is poor in thread cooperation, weak in resource adaptation, not timely in state linkage and the like are solved, transmission delay and CPU overhead are greatly reduced, communication stability and the resource utilization rate are improved, and the method is suitable for edge computing and other high-concurrency data interaction scenes.
Owner:GUANGXI POWER GRID CORP

Multi-computing-power collaborative video structured analysis method

The invention relates to the technical field of computer vision and edge computing, and discloses a multi-computing-power collaborative video structured analysis method, which comprises the following steps of: acquiring a plurality of paths of original video streams, and synchronously decoding the plurality of paths of original video streams; gradient analysis is adopted to evaluate the decoded multiple paths of original video streams, and a preprocessing algorithm combination is selected based on a quality feature vector; establishing a data transmission channel, and adopting an asynchronous communication protocol and a multi-level cache system; performing content complexity analysis, and performing model matching according to the content complexity analysis to obtain a scheduling decision; carrying out distributed deployment, and carrying out pipeline reasoning on the deployed model; pipeline reasoning results are fused, and consistency constraint verification is carried out on fusion results; optimizing system configuration parameters according to a video structured analysis result to realize video structured analysis; the real-time performance, the accuracy and the system stability of video analysis are improved.
Owner:HUNAN BEICHUANG INTELLIGENT TECHNOLOGY CO LTD

Cooperative control method for multi-domain unmanned system

The invention discloses a cooperative control method for a multi-domain unmanned system. The method comprises the following steps: acquiring an original sensor sequence and a late message set; according to the original sensor sequence, calculating a dominant function and anti-fact regret to obtain a value signal; generating a time delay weight according to the late message set; constructing a space-time source item based on the value signal and the time delay weight; constructing a neural pheromone field by solving partial differential equation dynamics by using space-time source items and pheromone field parameters; under the guidance of the neural pheromone field, sampling to generate a candidate path set; and selecting a cooperative path from the candidate path set for the unmanned system to execute. According to the method, the problems of value characterization and timeliness under asynchronous communication are solved, deep coupling of a decision strategy and a physical model is realized, and the robustness and the adaptive ability of collaborative decision are improved.
Owner:NANJING ARTIFICIAL INTELLIGENCE CHIPS RES INST OF AUTOMATION CHINESE ACAD OF SCI

Three-dimensional visual synthesis system based on heterogeneous collaboration and screen alignment fusion

The invention relates to a three-dimensional visual synthesis system based on heterogeneous collaboration and screen alignment fusion, which is characterized in that a master control system generates complete viewpoint configuration information of a current scene acquired by an image acquisition device, and the complete viewpoint configuration information is used as a single data source and is simultaneously distributed to a graphic processing unit and a neural rendering coprocessor of the master control system; synchronous starting and parallel execution of the two heterogeneous rendering pipelines are achieved. And in combination with a subsequent screen alignment fusion mechanism, an end-to-end collaboration framework with low delay, low coupling and high coordination is constructed, and the key problem of real-time integration of high-fidelity contents is effectively solved. On the premise of not depending on a traditional deep buffer area or geometric alignment, high-fidelity visual content generated by special hardware acceleration and a dynamic environment of a main control system are efficiently fused, and complex effects such as lightweight asynchronous communication and real-time shadow are supported. Therefore, multiple bottlenecks in the aspects of real-time performance, compatibility and engineering deployment in the prior art are broken through.
Owner:SHANGHAI TECH UNIV

Multi-thread asynchronous communication and adaptive analysis intelligent device control system and method

The invention provides an intelligent equipment control system and method for multi-thread asynchronous communication and self-adaptive analysis. The intelligent equipment control system comprises a hardware layer interface module, a multi-thread asynchronous communication module, a self-adaptive data analysis module, a data processing and storage module and an intelligent diagnosis module. A multi-thread asynchronous communication architecture is constructed through the multi-thread asynchronous communication module to realize concurrent data interaction of multiple intelligent devices, communication protocols of different types of intelligent devices are compatible through the adaptive data analysis module, and an intelligent diagnosis function is integrated. The problems that a traditional upper computer is high in communication delay, poor in protocol compatibility, low in multi-device cooperative control efficiency and the like are solved, the real-time performance and reliability of industrial field device monitoring are improved, and the method is suitable for multi-device cooperative scenes such as intelligent manufacturing and intelligent storage.
Owner:HUNAN AINES TECH CO LTD

Wharf seaside operation deduction method and system based on multi-agent system

The invention provides a wharf seaside operation deduction method and system based on a multi-agent system, is applied to the technical field of port wharf operation management, abstracts wharf physical equipment into agents packaged with attribute, state and behavior logic by constructing a multi-agent collaborative deduction system based on actual wharf resource configuration, and improves the deduction efficiency of the wharf seaside operation. The task manager intelligent body analyzes ship operation tasks and dispatches the tasks according to an area matching rule, the quay crane intelligent body, the field crane intelligent body and the container truck intelligent body receive the tasks through asynchronous communication, make decisions autonomously based on own resource states, and determine a task execution time sequence in combination with a dynamic action time prediction model so as to propel and deduce a logic time axis; the container truck intelligent body responds to an instruction to simulate container circulation between a quay crane and a storage yard, key instructions and state data are written into a database in real time in the deduction process, a traceable data track is formed, real-time monitoring and post multi-dimensional index analysis are supported, and distributed, dynamic and data-driven high-fidelity deduction of a seaside operation process is achieved.
Owner:NEZHA SMART TECHNOLOGY (SHANGHAI) CO LTD

Processing methods, devices, storage media, and systems for industrial serial communication

The application provides a processing method, device, storage medium and system for serial machine communication, and belongs to the technical field of communication. The monitoring method comprises the following steps: storing element information corresponding to a plurality of ports by using a first queue pool; adding elements corresponding to one or more TCP ports in the plurality of TCP ports into a to-be-processed linked list, adding element information corresponding to one or more TCP ports with a cache mark into a preparation linked list, and receiving output information of the TCP ports in the preparation linked list; when the one or more TCP ports are connected, predicting I / O operations generated in a next process, and marking the process by using an asynchronous keyword. The application configures the to-be-processed linked list, the preparation linked list, the cache mark and the asynchronous keyword based on the coroutine technology, realizes processing of asynchronous communication of the serial machine, and does not have a time slice of context switching of the CPU, so that the CPU resource overhead is reduced.
Owner:WUXI STARS MICRO SYSTEM TECHNOLOGIES CO LTD

CFD solution acceleration method and system based on parallel computing and load dynamic balancing

The application relates to the technical field of computation, and provides a CFD solution acceleration method and system based on parallel computation and load dynamic balancing. Physical characteristic quantities such as CFL numbers and residuals are quantified as load indexes, so that load balancing decisions are closely coupled with flow field evolution rules. By using an asynchronous communication overlap framework which is deeply coupled with a CFD solver, blocked communication waiting time is converted into effective calculation time, and communication delay is systematically hidden. Based on a real-time load evaluation incremental grid migration strategy, high-load grid blocks in hotspot processes can be intelligently identified and migrated, and differentiated and efficient use of computing power is realized.
Owner:SHENZHEN Y& D ELECTRONICS CO LTD

Parallel asynchronous structure-based fluid system digital twin system establishment method, program, equipment and storage medium

The invention relates to a fluid system digital twin system establishment method based on a parallel asynchronous structure, a program, equipment and a storage medium. The system takes a time sequence database as a core, and a data acquisition module, a state monitoring module, a fault diagnosis module, a fluid simulation module, a data assimilation module and a visualization module are connected in parallel to realize data sharing and asynchronous communication. The method comprises the following steps: acquiring and preprocessing sensor data; performing signal noise reduction and time-frequency feature extraction to calculate a state index; performing fluid system parameter prediction based on the indexes; marking the to-be-corrected component by comparing the difference between the predicted value and the measured value, and correcting the to-be-corrected component; and finally, result visualization is realized. Through module decoupling, the problems that a series structure is poor in stability and wastes resources are solved, the real-time performance, fault tolerance and expandability of the system are remarkably improved, and the system is suitable for state monitoring and fault diagnosis of fluid systems such as reactors.
Owner:HARBIN ENG UNIV

Radio frequency (RF) front end to support various simultaneous, synchronous and asynchronous communication modes

The apparatus includes a first xPlexer, coupled to a first antenna, including first and second filters; a second xPlexer, coupled to a second antenna, including third and fourth filters; a first switched xPlexer including fifth and sixth filters coupled to the second filter of the first xPlexer; a second switched xPlexer including seventh and eighth filters coupled to the fourth filter of the second xPlexer; a first transceiver coupled to the first filter of the first xPlexer and selectively coupled to the fifth filter of the first switched xPlexer; a second transceiver coupled to the third filter of the second xPlexer and selectively coupled to the seventh filter of the second switched xPlexer; a third transceiver selectively coupled to either the fifth or sixth filter of the first switched xPlexer; and a fourth transceiver selectively coupled to the seventh or eighth filter of the second switched xPlexer.
Owner:QUALCOMM INC

Modulation coding schemes and spatial stream number prediction methods, systems, equipment and media

This invention relates to a modulation and coding scheme and a method, system, device, and medium for predicting spatial stream counts. The method includes: acquiring received signal strength indication data and preset threshold information between at least two access points and a site; determining the synchronous / asynchronous communication status between each access point based on the dynamic relationship between the received signal strength indication data and the preset threshold information; classifying signals transmitted from adjacent access points to the site as interference signals and signals transmitted from adjacent sites as ambient noise based on the synchronous / asynchronous communication status; calculating the signal-to-noise ratio (SNR) of the site based on the signal classification results; inputting the SNR, synchronous / asynchronous communication status, and access point transmit power into a gradient boosting decision tree model; and outputting the modulation and coding scheme and spatial stream count prediction results of the target access point through the gradient boosting decision tree model. This method significantly improves the MCS / NSS prediction accuracy of high-density WLANs.
Owner:NAT UNIV OF DEFENSE TECH

Asynchronous communication LED cache display control method, system and device and medium

The invention belongs to the technical field of LED display, and provides an asynchronous communication LED cache display control method, system and device and a medium, a main control end sends display line information and cache display gray information corresponding to the next line to a display end at intervals in an asynchronous communication mode; the display end transmits row display information to the display control module and the counter module, transmits cache row information corresponding to the current row display information to the row cache module, and transmits cache display gray information to the gray conversion module; the counter module records the number of interval clocks of adjacent display line information, and the gray level conversion module calculates an actual display gray level value based on an actual maximum display gray level value; the line cache module stores an actual display gray value according to a cache line number remainder result; the display control module controls the corresponding row switches to be switched on, and whole frame display is completed in a row-by-row circulation mode. According to the method, the cache data volume is greatly reduced, the asynchronous communication synchronization problem is solved, the display effect is guaranteed, and the compatibility is high.
Owner:WUXI STABLE-CHIP TECH CO LTD

A three-stage cooperative production line body intelligence control method and system

PendingCN122442640AAvoid computational delaysRealize space-time decouplingAsynchronous communicationDynamic equation
The application discloses a three-level coordinated production line body intelligent control method and system, and belongs to the technical field of intelligent manufacturing. The method comprises the following steps: establishing a global task planning layer, performing semantic analysis and logical disintegration at a first preset frequency, and generating an atomic action sequence; establishing a local space perception layer, receiving the atomic action sequence at a second preset frequency, constructing a dynamic local map by using sensor data, determining a workpiece pose by point cloud registration, and mapping the atomic action sequence into a continuous motion trajectory flow; establishing a real-time action execution layer, receiving an instantaneous target pose at a third preset frequency, calculating a theoretical driving torque by combining a Lagrange dynamics equation, switching to an impedance control mode at a contact moment, and driving an execution mechanism to complete work; and establishing an asynchronous coordination layer, realizing three-layer asynchronous communication through an industrial network, and controlling the three-layer frequencies to be distributed in a ladder type in an increasing manner. The application has the effects of improving the flexibility, precision and safety of a production line.
Owner:SHANDONG LINGRAN INTELLIGENT TECH CO LTD

System switching method, apparatus, device, and computer-readable storage medium

This invention discloses a system switching method, apparatus, device, and computer-readable storage medium. The method includes: upon receiving a system switching request, performing a traffic switching operation on first traffic information corresponding to the old system through a traffic system switcher to switch the first traffic information to the new system; during the traffic switching process, processing second traffic information in the first traffic information based on a synchronous communication mechanism and processing third traffic information in the first traffic information based on an asynchronous communication mechanism through the traffic system switcher; obtaining traffic result information corresponding to the traffic data in the first traffic information, and performing a compensation operation based on the original traffic information and the traffic result information; and performing a day-end compensation operation based on the day-end data of the new system and the day-end data of the old system. This invention achieves automated switching control of the system in high-concurrency scenarios, ensuring business continuity and switching consistency.
Owner:CHINA MERCHANTS BANK

Data cascade synchronization method and device for multi-level converged communication platform

The invention provides a data cascade synchronization method and device for a multi-level converged communication platform, and the method comprises the steps: distributing a unique hierarchical identifier with hierarchical information for each node, and automatically judging a superior-subordinate relationship of the nodes; establishing a message middleware asynchronous communication architecture based on the message middleware asynchronous communication architecture, configuring an independent queue and a corresponding routing key, and realizing directional message transmission by means of a whole network central switch; the receiving node reports the resources and stores the resources, and the authorized resources are screened and issued according to the authorization relationship; unified event broadcast themes are set based on the architecture, broadcast state change events are monitored, and timing and / or manual synchronization is adopted. According to the invention, automatic identification of node relations, accurate transmission of messages, authorization and resource collaboration and real-time state synchronization can be realized, the expandability, reliability and synchronization efficiency of the platform are improved, the coupling degree and operation and maintenance cost are reduced, and the method is suitable for multi-field and multi-level distributed communication scenes.
Owner:BEIJING TRICOLOR TECH

System, satellite and method for performing asynchronous communication in a non-terrestrial communication network

A system, satellite and method for performing asynchronous communication in a non- terrestrial communication network are proposed. The system comprises at least one user equipment (UE); a constellation of satellites, with at least one satellite, and a ground network. Each satellite of the constellation comprises a base station configured to communicate with the at least one UE and an onboard core network (CN) element (C-SGN-SAT) to perform a first subset of CN functions, including the functions required by the satellite to handle an S1 interface with the base station and the functions to support Non-Access Stratum (NAS) protocol signaling with the at least one UE. The ground network comprises a ground-based CN element (C-SGN-GND) to perform a second subset of CN functions. The first subset of CN functions and the second subset of CN functions form a complete set of CN functions of a CIoT Serving Gateway Node (C-SGN).
Owner:SATELIO IOT SERVICES SL

Task scheduling methods, schedulers, systems, devices, media, and program products

This disclosure provides a task scheduling method, scheduler, system, device, medium, and program product, relating to the field of artificial intelligence technology. The task scheduling method includes: in response to receiving a communication request, controlling a first hardware unit of a computing device to initiate an asynchronous communication task corresponding to the communication request; suspending a first computing task currently being executed on a second hardware unit of the computing device, and scheduling a second computing task independent of the asynchronous communication task to be executed on the second hardware unit; wherein the first computing task is associated with the asynchronous communication task; and in response to the asynchronous communication task completing execution on the first hardware unit, resuming execution of the suspended first computing task on the second hardware unit. This method improves hardware resource utilization and task execution efficiency.
Owner:MOORE THREADS TECH CO LTD

A serial asynchronous communications network, a network interface module and methods for transmitting and receiving messages over the network

A serial asynchronous communications network to allow a number of electronic devices, controllers and / or monitors to be communicably connected to one another. Embodiments of the invention provide for an easily expandable network to be realized and allow for an efficient method for transmitting and receiving messages over the network. Embodiments of the invention may be deployed in a network having a communications bus which may be realised as a single wire, track or cable. Other embodiments are suitable for a communications bus realised as a pair of wires operating in differential mode. The pair of wires may have a twisted pair configuration according to some embodiments. Embodiments of the invention also include provision for bus arbitration, thus avoiding collisions on the bus when a plurality of actors attempt to communicate over the bus simultaneously.
Owner:THE CONSORTIUM TEAM SA

Data processing gateway software architecture suitable for medium and large unmanned aerial vehicle cluster

The invention particularly relates to a data processing gateway software architecture suitable for a medium-large unmanned aerial vehicle cluster, and the gateway software architecture is arranged between the unmanned aerial vehicle cluster and an application cluster, and comprises a downlink telemetering data processing module, a data distribution module and an uplink remote control command processing module. Signal slot asynchronous communication, modular parallel and dynamic configuration are combined, unified access, distribution, analysis and forwarding of multiple types of downlink telemetry data and uplink remote control commands are realized at a gateway side, and centralized processing and extended deployment can be performed on measurement and control data in a medium-large unmanned aerial vehicle cluster scene. The problems that in the prior art, when multiple medium and large unmanned aerial vehicles are accessed in parallel, the measurement and control data processing capacity is insufficient, the end-to-end time delay is large, and bottom layer program configuration needs to be frequently changed when new aircraft types and new services are expanded are solved.
Owner:XIAN AISHENG TECH GRP

Self-adaptive Beidou short message emergency remote control and telemetering method

The invention discloses a self-adaptive Beidou short message emergency remote control and telemetering method. The method comprises the following steps: identifying the communication length and the frequency level of Beidou short message equipment on a host machine; determining a telemetering transmission scheme, and filling downlink data frames; determining a remote control transmission scheme, and receiving and filling uplink remote control data frames; establishing a telemetering sending task, periodically and cyclically inquiring whether the sending countdown of the Beidou short message is 0 or not by the telemetering sending task, if so, sending a downlink data frame, and if not, quitting and waiting for next inquiry; and establishing a remote control receiving task, regularly querying whether the asynchronous communication interface connected with the short message equipment receives data or not by the remote control receiving task, storing the received data into a buffer area, and extracting a complete uplink remote control data frame according to a frame header, a frame tail and frame verification. The method can adapt to different levels of Beidou short message communication frequencies and length levels, is high in program adaptability, and can automatically match the maximum communication transmission capability when the level of the user card changes.
Owner:CAIHONG DRONE TECH CO LTD

A soft-hard cooperative raman microscope real-time spectrum signal processing method and system

PendingCN122286097ARaman imagingAsynchronous communication
This invention discloses a hardware-software co-processing method for real-time spectral signal processing in Raman microscopy, belonging to the field of spectral signal processing technology. The method includes: establishing strict temporal constraints between physical displacement and cloud inference, and initiating asynchronous communication using the physical gaps in stage movement; simultaneously, deploying a deep learning model (F2P) pre-trained with a self-supervised masking strategy in the cloud. This pre-trained model utilizes the structural correlation between the Raman broadband background and narrowband characteristic peaks to directly perform real-time forward inference on the input single-frame noisy spectrum, achieving millisecond-level high-fidelity reconstruction of a single frame without any complex parameter tuning or the need for a clean control spectrum. This invention completely eliminates the physical lag in multi-frame processing and the general technical bias of supervised learning algorithms, achieving true "synchronization between acquisition and display," and significantly improving the real-time processing performance and cross-device automated deployment capabilities of in-situ Raman imaging.
Owner:XIAMEN UNIV

Semantic entropy feature evolution and register security processing method and system

This invention discloses a method and system for semantic entropy feature evolution and register security processing. The security processing method includes: real-time monitoring of semantic fluctuation feature indicators of asynchronous communication stream sequences; constructing and generating a time-enhanced dynamic semantic vector containing historical context backtracking features; mapping the arbitration result to the dimension index corresponding to the physical execution layer to generate a binary dynamic masking operator; obtaining the pointer to the underlying hardware direct addressing memory address mapped by the privileged addressing interface to obtain a de-identified situational awareness feature vector set. By strictly aligning the dynamic masking operator and vector synthesis computation in time, the accompanying physical annihilation of sensitive data dimensions is achieved at the register output level, realizing computation-as-isolation and fundamentally eliminating the microsecond / nanosecond-level security vacuum caused by software audit lag.
Owner:XINJIANG LEQI ELECTRONIC TECH CO LTD

Communication method, apparatus and device, and computer readable storage medium

The invention discloses a communication method, a communication device, communication equipment and a computer readable storage medium, which are applied to the field of serial communication, and comprise the following steps of: adding a wakeup prefix sequence in front of a current data frame and adding a calibration pulse sequence behind the current data frame through a sending end to obtain a processed data frame; sending the processed data frame through an asynchronous communication line; when a low-power-consumption edge detection circuit of the receiving end identifies a wake-up prefix sequence on an asynchronous communication line, activating a main clock of the receiving end, and sampling effective data in a processed data frame corresponding to a current data frame based on an initial sampling point position or a sampling point position after last dynamic calibration; and when the sampling is completed, receiving and measuring the actual duration of the calibration pulse sequence through a receiving end, calculating clock skew according to the actual duration and the ideal duration, and adjusting the sampling point position of the next data frame based on the clock skew. According to the invention, the problems of asynchronous communication clocks and high power consumption are solved.
Owner:INSPUR (SHANDONG) COMPUTER TECH CO LTD

Cloud edge asynchronous communication method and system oriented to weak network environment

The invention is applicable to the technical field of cloud-side asynchronous communication, and provides a weak network environment-oriented cloud-side asynchronous communication method and system, which comprises the following steps: a sending end allocates a serial number to an application layer message needing to be transmitted, and continuously sends the application layer message to a receiving end in sequence based on the serial number, the method comprises the following steps: storing a transcript of a sent application layer message as a message to be confirmed in a sending cache region, carrying out orderliness judgment and serial number recombination processing on the received application layer message by a receiving end according to a serial number, and identifying the successfully received application layer message in the sending cache region so as to deduce the lost application layer message; resending the application layer message marked as lost to the receiving end; according to the invention, the serial number is allocated for the message and the sending cache region is established, so that the sending end can continuously send a plurality of messages based on the sliding window without waiting for single confirmation, and can only retransmit the really lost messages, thereby reducing the transmission window period caused by queue head blockage and improving the network bandwidth utilization rate.
Owner:CHINA TOWER CO LTD

Response messages in asynchronous communications

An asynchronous communications system is described in which a responder node receives the frames of a message from a commander node and request frame in a predetermined position relative to the frames of the message. The responder node is configured to send a response in reply to the request frame. In some examples, the responder node sends the response frame while the responder node receives the request frame from the commander node.
Owner:INFINEON TECHNOLOGIES AG

Expansion of tethered photography

PCT designated stageWO2026058803A1Computer hardwareAsynchronous communication
The present disclosure relates to a method for enabling a general-purpose computer connected to a handheld digital camera to be used as a computational resource. The handheld digital camera and the general-purpose computer plan the distribution of various processes during photography on the basis of the configurations or states of the handheld digital camera and the general-purpose computer, and execute the plan by transmitting and receiving images or instructions by asynchronous communication. By using streaming to sequentially notify the general-purpose computer of changes in the state of the handheld digital camera, unnecessary processing that would be required if the general-purpose computer were to repeatedly issue requests to the handheld digital camera is eliminated.
Owner:KOSAKA TAKAHIRO

Data transmission protection method and device of hardware cryptographic algorithm based on SRTP protocol

The invention relates to a data transmission protection method and device for a hardware state cryptographic algorithm based on an SRTP protocol, belongs to the technical field of communication, and solves the problems that an open source soft algorithm used by the SRTP protocol in the prior art is relatively low in security, consumes too much CPU and is low in cryptographic operation efficiency. The method comprises the following specific steps: a video conference terminal A processes an input image by using a media processing module to obtain a plurality of original RTP data packets, and sends the original RTP data packets to an SRTP processing module of the video conference terminal A through asynchronous communication; the SRTP processing module encapsulates each original RTP data packet into an RTP data packet with a customized data structure, and sends the RTP data packet to the cryptographic device Ta; the cryptographic device Ta performs encryption authentication calculation based on an SM4 cryptographic algorithm and an SM3 authentication algorithm, and transmits an encrypted RTP data packet back to the SRTP processing module; and the SRTP processing module encapsulates the returned data into an SRTP data packet, returns the SRTP data packet to the media processing module again through asynchronous communication, and then transmits the SRTP data packet to the video conference terminal B, so that the security and integrity of video data transmission are realized.
Owner:XINGTANG TELECOMM TECH CO LTD +2