41results about How to "Improve communication stability" patented technology

The present application is applicable to the field of communication technology, a method of communication between applications, a terminal device and a computer readable storage media are provided. The method comprises: the first application establishes a connection with the server based on an interface provided by the first client, the second application establishes a connection with the serverbased on an interface provided by the second client, As such, a communication connection is established between that first application and the second application, the first application then sends a first communication message to the second application through the communication connection, the second application may return a second communication message to the first application through the communication connection, after the communication connection between the first application and the second application is completed, the communication connection between the first application and the second application is disconnected by the release request, and since the interface provided by the client has information for converting the data of the application to conform to the communication protocol. The communication method development period between the applications is short and the stability is good.

The embodiment of the invention relates to a communication method, communication equipment and a communication system. The communication method comprises the following steps: determining a first wireless frame; wherein the first wireless frame comprises first identification information, and the first identification information identifies that the first wireless frame is a response frame used for responding to a wake-up frame sent by a second device; and sending the first wireless frame. According to the embodiment of the invention, the first identification information of the first wireless frame clearly distinguishes the function of the first wireless frame as the wake-up response, and a clear wake-up and response mechanism is established in wireless communication.

The application discloses a kind of multi-aircraft fault-tolerant cooperative guidance method, device and medium based on event triggering, it is related to cooperative guidance field;The method comprises: obtaining the running data of agent;According to running data, construct multi-aircraft system state model;According to multi-aircraft system state model, based on communication resource limited scene, determine guidance mathematical model;According to state variable trigger function and line-of-sight angle state, judge whether line-of-sight angle state deviation meets trigger condition, if yes, then according to line-of-sight angle state deviation, the update of line-of-sight angle state is carried out, and updated line-of-sight angle state is obtained;According to adaptive parameter and adaptive parameter trigger function, judge whether adaptive gain meets trigger condition, if yes, then according to adaptive gain, the update of adaptive parameter is carried out, and updated adaptive parameter is obtained, and then determine cooperative guidance law to control N aircraft, and single maneuvering target is cooperatively intercepted;The application can improve communication stability and control precision.

This invention relates to a dynamic communication adaptation system and implementation method for virtual network terminals, belonging to the technical field of communication adaptation. The system includes: analyzing the network performance needs of a user group and constructing a network demand matrix for the user group; based on data analysis from a network measurement platform, real-time monitoring of network conditions and device operating status to obtain the network resource allocation status of the user group's communication device software and generate a network behavior profile of the user group; combining the network demand matrix and the network behavior profile of the user group to dynamically adjust and optimize the network resource allocation strategy of the virtual network terminal; and based on the optimized network resource allocation strategy of the virtual network terminal, constructing a dynamic communication adaptation model for the virtual network terminal to achieve communication quality optimization and adaptation of the virtual network in various network environments. The beneficial effects of this invention are: improved system adaptability and reliability under high load conditions, and significantly improved user experience and communication efficiency.

The application discloses a multi-mode full-frequency compatible 5G wireless router wireless transceiving control method and belongs to the technical field of router control, and specifically comprises the following steps: acquiring the working frequency band and local oscillator frequency of each radio transceiver module; calculating the frequency band overlapping length and frequency ratio of any two modules; marking the modules with the overlapping length greater than zero as a same-frequency interference module group and marking the modules with the same frequency ratio as a preset ratio as a local oscillator leakage module group; extracting the modules belonging to both groups, taking the local oscillator frequency of the modules as an index to find a frequency mapping table to obtain a clock division coefficient; adjusting the local oscillator frequency of the extracted modules according to the clock division coefficient; repeating the above steps until there is no module belonging to both groups, and outputting the final local oscillator frequency. The application realizes unified identification and iterative suppression of the composite interference of the same-frequency interference and the local oscillator leakage.

A kind of anti-backflow control system applied to energy storage inverter system and related equipment, anti-backflow control system includes inverter, first LORA module being connected with inverter communication, electric meter for collecting the power information between load and power grid, second LORA module being connected with electric meter, wherein first LORA module and second LORA module are configured as point-to-point communication between each other;First LORA module is used to receive power query instruction from inverter and forward to second LORA module, second LORA module is used to transmit received power query instruction to electric meter, and power information is sent to first LORA module, and first LORA module transmits power data to inverter.The utility model embodiment replaces traditional wired connection mode by the point-to-point wireless communication of first LORA module and second LORA module, realizes long-distance stable transmission power data, with the advantages of simplifying wiring construction, improving communication stability and anti-interference ability.

The invention is suitable for the technical field of satellite communication, and provides an AI-based satellite-ground integrated unmanned aerial vehicle communication channel management method and system, and the method comprises the steps: obtaining the real-time temperature of a radio frequency front-end module of a current unmanned aerial vehicle satellite communication terminal under the condition of determining that a reference temperature node exists, and when the real-time temperature exceeds the reference temperature node, cooling measures of the unmanned aerial vehicle are controlled based on the temperature node, so that the temperature of the radio frequency front-end module is adjusted to be below the reference temperature node in a future time period. According to the method, existing communication links and cooling hardware structures are not changed, the communication stability and reliability after low-orbit satellite link switching can be improved only through control strategy optimization, the risks of short-time link falling and performance degradation are reduced, finer and more intelligent satellite-ground integrated unmanned aerial vehicle communication channel management is achieved, and the method has remarkable engineering practical value.

The utility model relates to the technical field of railway transportation safety monitoring and intelligent operation and maintenance, and discloses a train approach detection sensor based on NB-LOT, which comprises a magnetic steel detection unit, a magnetic steel processing unit, an internet of things communication module and a power supply unit. According to the utility model, an intelligent alarm system covering the whole scene of a railway can be formed with a cloud server and Ethernet alarm equipment based on the Internet communication technology, stable remote communication, low-delay data transmission and multi-environment adaptability can be realized, and early warning and fault tolerance can be realized by utilizing AI analysis of a cloud platform; therefore, the safety guarantee capability of railway maintenance personnel is remarkably improved, and the accident risk of collision between a train and operating personnel is reduced.

This invention relates to the field of shortwave communication technology and discloses a shortwave broadband frequency selection method. This invention utilizes a collaborative mechanism of narrowband detection signal and broadband noise floor monitoring to enable traditional narrowband shortwave equipment to achieve accurate frequency selection for 12kHz / 24kHz broadband communication without hardware upgrades. This method combines narrowband signal-to-noise ratio evaluation with broadband spectrum analysis to ensure optimal communication quality for the selected frequency in both narrowband and broadband ranges. It effectively solves the problem that traditional narrowband frequency selection cannot adapt to broadband services, and also possesses advantages such as environmental adaptability, high computational efficiency, and strong compatibility, significantly improving the reliability and economy of shortwave broadband communication.

The invention discloses an ultra-wideband wireless ad hoc network construction method based on TDMA and DSDV and ad hoc network node equipment, and belongs to the field of wireless communication. The problems that an existing UWB ad hoc network is high in data transmission failure rate, and real-time communication is difficult to meet are solved. The method comprises the following steps: configuring network parameters; a communication period is divided into a synchronization frame, a routing frame and at least one data subframe, and communication time slots are distributed for nodes in a network based on a TDMA protocol; in the synchronization frame, a specified node broadcasts a synchronization packet containing a period starting point timestamp, and other nodes receive the synchronization packet and calibrate a local clock according to the synchronization packet; in the routing frame, each node broadcasts the DSDV routing table in the distributed time slot, and the neighbor node receives the DSDV routing table and updates the own routing table according to the serial number and the hop count; and in the data sub-frame, each node performs data transmission in the allocated time slot based on the updated routing table, and a verification mechanism is adopted to ensure the data integrity. The method is used in the high-speed stable data transmission field.

One or more embodiments of the invention provide a data processing method and device, electronic equipment and a storage medium. The method comprises the following steps: receiving a data packet; determining a first serial number corresponding to the data packet; determining positions pointed by a first pointer and a second pointer in a sliding window through the sliding window with a fixed size, and determining a second serial number and a third serial number corresponding to the positions; in response to determining that the first serial number is greater than the third serial number, calculating a difference value between the first serial number and the third serial number; and scheduling the first pointer and the second pointer according to the difference value, wherein the second pointer points to a position corresponding to the first serial number.

The invention discloses a communication switching scheduling method and system based on high-precision distance perception, and relates to the technical field of communication. The method comprises the following steps: a terminal sends measurement signals to N cells, receives N response signals returned by the N cells after the measurement signals are sent, and performs distance calculation based on the N response signals and the measurement signals to obtain distance information of the N cells; carrying out distance difference judgment, and screening M candidate cells as access targets; m reference signal intensities sent by the M candidate cells are received, communication quality evaluation and sorting are carried out on the M candidate cells, and M communication sequence cells are obtained; and performing communication switching scheduling control on the M communication sequence cells through a switching scheduling optimization module. The technical problems of low switching efficiency and insufficient communication stability caused by difficulty in reasonable scheduling according to distance information and communication quality during communication switching in the prior art are solved, and the technical effects of improving the communication switching efficiency and enhancing the communication stability are achieved.

The application discloses a multi-connected system communication method and a multi-connected system, and belongs to the field of multi-connected systems. The multi-connected system communication method comprises the following steps: in the networking stage, a first processing device generates a static address list; based on the static address list, a dynamic address requirement is multicast; first response information sent by each device node is received; the first response information comprises a combined address; a device node corresponding to a dynamic random address greater than a target threshold in the dynamic random address in the combined address is subjected to dynamic address re-distribution, and a new dynamic random address is generated; and the dynamic random address and the static address are mapped to obtain a dynamic-static address mapping list. The multi-connected system communication method can realize setting of dynamic random addresses of each indoor unit and a gateway based on an outdoor unit online distribution mode without manual dialing, and improves the convenience and flexibility of multi-connected system factory installation.

The invention provides a path memory method and device for an agricultural unmanned vehicle, a medium, a terminal and a program product, and the method comprises the steps: obtaining a plurality of motion parameters of the agricultural unmanned vehicle in a moving process, the motion parameters comprising unmanned vehicle position information, unmanned vehicle acceleration, unmanned vehicle speed and unmanned vehicle direction; the initial position of the agricultural unmanned vehicle is recorded as a path starting point, and whether the current position of the agricultural unmanned vehicle serves as a path node or not is judged based on a preset judgment rule according to the obtained unmanned vehicle position information, the unmanned vehicle acceleration, the unmanned vehicle speed and the unmanned vehicle direction; if it is judged that the current position of the agricultural unmanned vehicle serves as the path node, the current position is recorded as the next path node and stored; and if the current position of the agricultural unmanned vehicle is not used as the path node, discarding the related motion parameter data of the current position. According to the invention, storage occupation and communication load can be significantly reduced, so that data resource efficiency and communication stability are improved.

This invention discloses a communication method, system, storage medium, and device based on a solar-blind ultraviolet detector. The method includes: constructing a fixed-duration frame structure containing a synchronization segment, a control segment, a data segment, and a protection segment, and formulating a unified communication protocol; the transmitting end converts the input digital signal into a binary bit stream and frames it, determines the number of bits carried by a single symbol based on the APPM modulation order and amplitude level, and transmits an ultraviolet light signal through bit grouping, symbol mapping, Gaussian pulse shaping, digital modulation, and electro-optic conversion; the receiving end converts the ultraviolet light signal into an electrical signal, extracts pulse feature parameters after filtering, adaptive shape Gaussian matched filtering, and timing synchronization, demodulates to obtain a bit stream, and performs frame parsing to extract valid user data; frame synchronization and bit synchronization are achieved throughout the process through a synchronization control module to ensure timing matching between the transmitting and receiving ends. This invention enhances the system's adaptability to channel time-varying characteristics and environmental interference, and improves communication confidentiality and reliability.

Embodiments of the present application provide a communication method, device, system, storage medium and program product, relating to the technical field of communication. The method comprises: a terminal receiving first information sent by an access network device, the first information being used to indicate whether a wireless communication resource is an AIoT (environmental Internet of Things) supporting resource. If the terminal supports an AIoT function or is running an AIoT service, performing cell selection or cell reselection according to the first information. In this way, the terminal supporting the AIoT function or running the AIoT service can more efficiently and accurately access an available cell, improving the communication quality and stability of the AIoT service.

This embodiment discloses an unmanned aerial vehicle (UAV) system optimization method, electronic device, medium, and computer program product. The UAV system optimization method includes: constructing an optimization model for the UAV system based on its secure communication rate and energy consumption; wherein the value of the optimization model is positively correlated with the secure communication rate and negatively correlated with the energy consumption; constructing constraint conditions for the optimization model based on constraint parameters; wherein the constraint parameters include one or more of the following: communication parameters of the UAV system's intelligent reflector (IRS), beam parameters of the UAV base station, and movement parameters of the UAV; combining the constraint conditions, determining the optimal solution of the optimization model with the objective of maximizing its value; and optimizing the UAV system based on the optimal solution.

This utility model discloses a control circuit for a smart door lock, a smart door lock, and a door. The control circuit includes a USB interface, a charging circuit, and a control unit. The USB interface includes a charging port and a communication port. The charging port is connected to the charging circuit, and the communication port is connected to the control unit. When the charging port is connected to a solar panel, the solar panel charges the smart door lock. When the communication port is connected to a testing device, the testing device tests the smart door lock. This technical solution, by setting up a USB interface with both a charging port and a communication port, allows the smart door lock to be functionally tested without disassembling the outer casing. This effectively avoids the risk of dust and moisture entering the control board and causing short circuits during testing, improving the convenience of testing and the reliability of the equipment.

This application discloses a wireless communication system and method based on an EtherCAT network. The system includes a wireless gateway and wireless slave stations. The wireless gateway includes an EtherCAT slave module, a wireless communication module, a control module, and an auxiliary function module. The control module encapsulates and converts EtherCAT frames received by the EtherCAT slave module with wireless frames from the wireless communication module through hardware-level protocol conversion. The wireless communication module uses either an FHSS module or a WiFi module. The auxiliary function module includes a timestamp module that records time information to assist the control module in using a multi-level distributed clock synchronization optimization algorithm for master-slave clock synchronization. The wireless slave station includes an EtherCAT slave module compatible with the wireless gateway that receives EtherCAT master station control commands, a wireless communication module of the same model that uploads wireless frames encapsulated with EtherCAT sub-messages, and a local control unit that parses EtherCAT master station control commands to collect local data and encapsulates it into EtherCAT sub-messages. This application can adapt to the requirements of industrial automation for high-precision and high-reliability wireless communication.

The invention belongs to the technical field of wireless communication, and provides a communication access method, system, device and equipment of terminal equipment, a medium and a product, the method is used for a space-air-ground integrated network scene, communication configuration parameters sent by the network equipment are received, the communication configuration parameters comprise sending power and access requirements of reference signals, and the sending power and the access requirements of the reference signals are sent to the terminal equipment. And at least one of a noise parameter, a first receiving antenna gain, a first transmitting antenna gain, and a transmit-receive signal gain difference; according to local device parameters and communication configuration parameters of the terminal device, determining a current access state of the terminal device, the local device parameters including a transmitting power, a second transmitting antenna gain, a first receiving power for receiving a reference signal, and a second receiving antenna gain; and when it is determined that the current access state of the terminal device meets the access requirement, sending a communication access request to the network device. And the accuracy and the communication stability of accessing the network equipment by the terminal equipment are improved.

The application relates to the technical field of data communication, and particularly provides a data communication method and system based on an intelligent fusion terminal and a medium, the method comprising the following steps: a network management module uniformly manages network interfaces of the intelligent fusion terminal; a channel management module receives a channel registration request of a service module, dynamically allocates a new channel, and sends new channel information to the service module, wherein the channel registration request carries channel control parameters; the channel management module receives a channel deregistration request or a channel change request sent by the service module, checks the service module initiating the request, and executes corresponding channel deregistration or channel change operations; and an encryption management module selects an encryption mode of data forwarding according to the channel control parameters when data is forwarded, and encrypts the forwarded data. Network resources on the fusion terminal are uniformly managed and allocated, and the network resource competition problem caused after the marketing concentrator and the distribution network TTU device are fused is effectively solved.

The invention relates to the technical field of communication anti-interference, and discloses a transformer substation visible light communication anti-electromagnetic interference modulation method and system, and the method comprises the steps: receiving an original data message from visible light communication in a transformer substation, and carrying out the error verification coding, and obtaining a baseband data stream; reconstructing the initial frequency domain symbol block based on the electromagnetic interference spectrum characteristics to obtain an anti-interference modulation signal; performing time-frequency two-dimensional pilot frequency embedding on the anti-interference modulation signal based on a multipath reflection path characteristic of a space structure in the transformer substation to obtain a pilot frequency auxiliary signal; mapping the pilot frequency auxiliary signal to a light emitting diode driving circuit to obtain a visible light signal; performing linear conversion on the photon flow density change of the visible light signal to obtain a receiving electric signal; performing joint channel purification on the received electric signal according to the pilot pattern of the received electric signal to obtain a restored data message; the visible light communication anti-interference transmission efficiency can be improved.

The utility model discloses a kind of sexual lures and measures reporting instruments, belong to pest control technical field, including box body component, the upper end of box body component is provided with internet of things control panel, box body component is provided with stick moth board component, the front of box body component is provided with camera, camera is installed in the upper end of box body component by camera support, the back of box body component is provided with solar panel, the upper end of solar panel is hinged in the upper end of box body component, and bracing lever is arranged between solar panel and box body component. Lifting adjustment can be realized by tight hoop, satisfy the pest monitoring of different crop growth cycle, stick moth board component can install attractant core, target pests are collected and captured to pests. Internet of things control panel controls camera installed on camera support to take photo on pests on stick moth board component regularly, and target pests are photographed and identified remotely, improve the accuracy and real-time of pest monitoring data, provide accurate basis for insect situation early warning.

The invention provides a multi-link redundancy control system and method, and the system comprises a data collection device which is used for collecting the data of a fully mechanized coal mining face; the controller is used for receiving the data acquired by the data acquisition equipment and sending the data to a server through a plurality of redundant interfaces of the controller via a communication link; wherein the controller comprises a plurality of redundant interfaces, and each redundant interface is provided with a corresponding communication link; and a plurality of communication links, each communication link is connected with the corresponding redundant interface, and the communication protocols of the communication links corresponding to the plurality of redundant interfaces are different from each other. The system can adapt to severe conditions of high temperature, high humidity, large inclination angle, complex electromagnetic environment and the like, and ensures that data transmission of the hydraulic support electrohydraulic control system is not influenced by single link faults, so that potential safety hazards caused by communication problems are reduced, and the data acquisition and control capability of a fully mechanized coal mining face is enhanced.

The invention discloses a real-time communication mechanism for an agricultural irrigation network, and relates to the technical field of real-time communication.The real-time communication mechanism comprises AINP message format confirmation, AINP data exchange confirmation and AIDE cloud data exchange.The method includes the steps that firstly, the unified format of data frames is defined through the AINP message format confirmation step; irrigation valve state and opening signals are collected and converted into corresponding data frames, node response is completed based on a master-slave response mechanism, validity of a frame format is verified through DCR verification, LORA wireless communication specifications of irrigation valve nodes and an AINP gateway are confirmed and set through AINP data exchange, and the verified data frames are transmitted to the gateway based on an AINP data exchange algorithm. Finally, AIDE cloud data exchange is carried out, monitoring data are read and written through a cloud algorithm and uploaded to the cloud, and the system has the advantages of being low in cost, high in interference resistance, good in compatibility and reliable in data and is adaptive to a large-scale intelligent irrigation network.

This application relates to a wireless lock system, including a wireless lock, a communication module, a relay module, and a control module. The communication module is communicatively connected to the wireless lock and the relay module. The relay module receives commands from the control module and transmits them to the wireless lock via the communication module. The control module is communicatively connected to the relay module and outputs control commands, including unlocking and closing the wireless lock. This system can efficiently manage multiple wireless locks, achieving remote control, status monitoring, and orderly communication under low power consumption conditions, significantly improving the reliability and applicability of the wireless lock system.

The present application relates to a multi-band radio frequency communication signal quality dynamic optimization method and an intelligent water meter. In view of the problem that the risk of water meter communication frequency band interruption is difficult to predict in advance in complex environment, a high sensitivity MEMS accelerometer integrated with a master control chip is used to collect three-dimensional micro-vibration signals of the water meter shell through low sampling rate, combined with time-frequency joint analysis to extract vibration modal characteristics, a graph neural network model is used to associate vibration state with radio frequency channel quality index, and real-time prediction of deterioration risk probability is realized. According to the environmental dynamic disturbance factor, the threshold value is adjusted and determined, combined with the radio frequency index step deterioration monitoring, the intelligent communication frequency band switching and context caching are triggered. The newly added vibration and radio frequency data are used for model adaptive optimization. The scheme can predict the channel interruption risk in advance, effectively improve the communication stability and adaptability of the intelligent water meter.

The invention discloses an alternating current ordered charging demand acquisition method and device, a storage medium and a product, relates to the field of ordered charging of new energy vehicles, and realizes accurate balance between charging demands and pile network loads through vehicle pile digital interaction and intelligent analysis. The method specifically comprises the steps that after a charging pile is connected with a vehicle-mounted charger, communication is established through a PWM signal with a specific duty ratio, and static parameters of an electric vehicle, charging pile operation data and user interaction data are synchronously collected; carrying out abnormal value elimination and normalization processing, and constructing a charging behavior feature vector fused with multi-dimensional features; a K-means algorithm is adopted to divide a scene into high, medium and low priorities, and a correction factor is introduced to construct a differentiated charging power and duration model; and finally integrating the demand list, pushing the integrated demand list to a management platform, and dynamically updating according to a fixed period. According to the method, the problems of poor vehicle pile adaptation, one-sided data, insufficient scene adaptation and the like in the prior art are solved, and the communication compatibility and the data accuracy are improved.

The invention provides a communication control method and device and a vehicle, and the method comprises the steps: switching a main controller from an idle state to an asynchronous transmission state in response to the detection of a first asynchronous communication instruction and the idle state of the main controller; wherein the idle state is used for indicating that the main controller has completed power-on initialization and has no ongoing SPI communication transaction; writing a first byte of first SPI data in the first asynchronous communication instruction into a data sending register of the main controller to start an asynchronous sending process of the first SPI data, and synchronously activating a sending timeout timer associated with the asynchronous sending process; wherein the sending timeout timer is used for monitoring whether the asynchronous sending process is completed within a corresponding timeout time limit or not; the remaining data of the first SPI data is sent byte by byte based on the SPI sending completion interruption, so that the CPU can be released to execute other key tasks after the main controller starts transmission, and the communication overhead is remarkably reduced.

The utility model provides an engine control module circuit board and a lamination structure thereof, the lamination structure comprises a plurality of circuit boards to be laminated, each circuit board to be laminated comprises N-1 circuit board substrates and N steel plates, the N steel plates and the N-1 circuit board substrates are alternately arranged, each circuit board substrate comprises a hydrocarbon core plate, an FR-4 prepreg and an FR-4 core plate, and the hydrocarbon core plate, the FR-4 prepreg and the FR-4 core plate are alternately arranged. The hydrocarbon core plate is arranged on one surface of the FR-4 prepreg, and the FR-4 core plate is arranged on one surface, deviating from the FR-4 core plate, of the FR-4 prepreg. As the FR-4 core board has better rigidity and better thermal performance, and the hydrocarbon core board has the characteristic of low dielectric loss, can be suitable for a high-frequency environment, and can make up for the defects of the FR-4 core board, when the circuit board is manufactured by adopting a mode of mixing the FR-4 core board and the hydrocarbon core board, the problem of larger signal attenuation in the high-frequency environment can be solved, and the circuit board can be applied to the high-frequency environment. And the signal processing capability and the communication stability of the engine control module are ensured.