99results about How to "Improve communication stability" patented technology

The invention relates to the technical field of communication optimization, in particular to a wireless communication method and system of a vehicle diagnosis system. The method comprises the following steps: identifying a plurality of signal sources in an environment and three-dimensional space data of a current position of a vehicle; performing scene interference intensity comprehensive evaluation on the plurality of signal sources in the environment to obtain a current scene interference intensity evaluation value of the vehicle; environment obstacle space layout analysis is carried out on the three-dimensional space data of the current position of the vehicle, environment three-dimensional modeling is carried out, and a vehicle environment three-dimensional point cloud model is constructed; signal multi-path propagation evolution is carried out according to the current scene interference intensity evaluation value of the vehicle and the vehicle environment three-dimensional point cloud model, and optimal signal frequency band analysis is carried out, so that optimal signal frequency band parameters are extracted; and carrying out dynamic transmission frequency modulation and signal adaptive coding based on the optimal signal frequency band parameter, and constructing a dynamic signal transmission strategy. According to the invention, efficient and stable wireless communication is realized, and the vehicle-mounted communication performance is improved.

The invention discloses an intelligent online monitoring device for a transformer, and relates to the technical field of transformers. The intelligent on-line monitoring device for the transformer comprises a front-end acquisition layer, a data transmission layer, a data processing and analysis layer, a cloud monitoring and management layer and an emergency response layer, through the deployment of the high-precision sensor network and the edge computing nodes, the system can accurately collect and process the operation data of the transformer in real time, and the monitoring accuracy and efficiency are improved. And secondly, the data transmission layer adopts a self-adaptive communication protocol and a data encryption technology, so that real-time and reliable transmission and security protection of the data are ensured, and meanwhile, traceability and tampering prevention of the data are realized by utilizing a block chain technology. In the data processing and analysis layer, the system realizes intelligent early warning and continuous optimization of transformer data through an integrated learning and deep learning model, and improves the accuracy and reliability of early warning. And the emergency response layer is arranged, so that the system can quickly respond to faults.

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 invention provides a self-discovery ad-hoc network control method based on a swan-gap operating system, and relates to the technical field of data processing, and the method comprises the steps: based on the swan-gap operating system, extracting the identification information and communication parameters of equipment from all to-be-networked equipment; carrying out compatibility judgment on the communication protocol version and the maximum support bandwidth between the devices; determining a control relationship between the master device and the slave device; dynamically allocating communication resources to each device by adopting a distributed channel allocation algorithm in combination with task requirements of the devices and network bandwidth information; periodically synchronizing the resource state of each device; when the slave device sends a networking quitting request, the master device updates the networking candidate data and re-determines the networking control relationship after releasing the corresponding communication resources; when the master device exits, the device with the highest priority is selected from the slave devices to automatically take over the control role and complete the reconstruction of the networking control relation; according to the invention, the autonomy and accuracy of networking are improved.

The invention relates to the technical field of unmanned aerial vehicles, in particular to a multi-unmanned aerial vehicle cooperative task execution system which comprises a task distribution module, an interference source recognition module, an interference suppression module, a communication redundancy module and a task execution adjustment module. Wherein the task allocation module is used for preliminarily allocating tasks; the interference source identification module is used for monitoring the interference condition of a communication channel in the cooperative operation of the multiple unmanned aerial vehicles in real time; the interference suppression module is used for dynamically selecting a communication channel according to the interference source information; the communication redundancy module is used for carrying out data backup and real-time transmission through a plurality of standby communication channels; and the task execution adjustment module is used for adjusting the task execution sequence and priority in real time. According to the method, the high efficiency, the stability and the data transmission reliability of cooperative operation of the multiple unmanned aerial vehicles in a complex communication environment are ensured by identifying and suppressing communication interference in real time and combining a mechanism of dynamically adjusting task execution sequences and priorities.

The invention discloses a bionic climbing robot cluster formation input sharing control method, and particularly relates to the field of robots, and the method comprises the following steps: S1, a plurality of bionic climbing robots are connected through a wireless communication module to form a cluster, and a main robot is selected as a cluster control center; s2, all the bionic climbing robots obtain environment data through respective environment sensing modules and upload the data to the cluster control center in real time; s3, the cluster control center generates a control instruction according to the collected environment data in combination with a preset task target and a formation strategy; s4, the cluster control center broadcasts the generated control instruction to all the bionic climbing robots in the cluster through a wireless communication module; and S5, the bionic climbing robots execute corresponding actions according to the received control instructions, and cluster formation and collaborative operation are achieved. The method has the advantages that automatic obstacle avoidance and conflict adjustment can be achieved, and efficient operation and cooperation in a complex environment can be achieved.

The invention provides a method for realizing three-phase electric energy meter PRIME communication coupling phase adaptive switching, and the method comprises the steps: switching the phase of the current PRIME signal coupling connection through a power line phase coupling control circuit, monitoring the received effective PRIME signals through a physical layer protocol, carrying out the statistics and recognition of the optimal phase in the current power line environment, and carrying out the self-adaptive switching of the communication coupling phase of the three-phase electric energy meter. Switching to a corresponding phase path, so that signal transmission can be carried out through an optimal phase in a specific deployment environment and a current channel state, thereby improving the stability of a network and keeping an operation state with an optimal communication effect; the problem that when the PRIME communication technology is applied to the three-phase electric energy meter, the network stability and the communication effect are poor in part of field deployment environments due to fixed single-phase coupling is effectively solved.

The invention discloses a master-slave integrated handle pairing method, which relates to the technical field of handle equipment communication, and comprises the following steps: according to unique identification information of a left handle and a right handle, automatically searching and identifying corresponding handle equipment through a Bluetooth low-power-consumption protocol, and establishing pairing connection; a wireless channel is dynamically adjusted according to the communication quality of a left handle and a right handle by adopting a self-adaptive frequency hopping technology; a time synchronization mechanism is established between the left handle and the right handle, and timestamps and calibration clocks are periodically exchanged; obtaining the electric quantity information of the handle, and dynamically adjusting the working mode and parameters of the handle according to the electric quantity state and the game scene; according to different game types and operation requirements, a plurality of sets of optimized communication protocols and parameters are preset, and a communication scheme is automatically matched by intelligently identifying game scenes and user operations; user habits are analyzed through machine learning, and handle parameters are adjusted in a self-adaptive mode; the problems of tedious pairing, unstable communication, delayed operation, short endurance and the like in the use process of the gamepad are solved.

The invention relates to the technical field of sonar detection communication, in particular to an aviation sonar buoy networked cooperative detection and communication method, which comprises the following steps that a plurality of sonar buoys are arranged in a target sea area according to a preset rule, and the distance between the buoys is dynamically adjusted according to a detection area and target characteristics; the buoy nodes carry out self-adaptive networking through the wireless communication module, and the connection relation between buoys is dynamically adjusted according to signal strength, delay and electric quantity parameters, so that an optimized communication network structure is formed; the buoy works cooperatively through a built-in detection module, and sonar detection data is shared in real time; the buoy network adopts a multi-path transmission strategy and transmits detection data to receiving equipment through a plurality of communication paths, so that the influence of a single-path fault on data transmission is reduced; and fault detection and self-adaptive repair are carried out. According to the invention, the communication stability of the buoy network is effectively improved.

The invention relates to an intelligent antenna array surface time-sharing working device and an array surface selection method thereof.The intelligent antenna array surface time-sharing working device comprises a data link module located on the inner side of a projectile body and a plurality of antenna array surfaces sequentially distributed on the peripheral side of the projectile body, and the data link module comprises an information integration module; the radio frequency signal connector and the antenna control interface signal connector are located at one end of the information integration module, the radio frequency signal connector is connected with one antenna array plane, and the antenna array plane connected with the radio frequency signal connector is sequentially connected with other antenna array planes in series. The antenna control interface signal connector is respectively connected with each antenna array surface, the plurality of antenna array surfaces are distributed on the peripheral side of the missile body, and a radio frequency baseband processing channel configured by the information integration module is utilized, so that time-sharing processing or simultaneous processing of signals received by the plurality of antenna array surfaces is realized; and the signal coverage range and the communication stability of the system are obviously improved.

The invention relates to a distortion noise-based RIS auxiliary passive communication system robust transmission method, which belongs to the technical field of low-power-consumption Internet of Things, and comprises the following steps: S1, initializing parameters of a distortion noise-based RIS auxiliary passive communication system; s2, according to the maximum transmitting power of a base station, the minimum safety rate of backscattering equipment, energy collection, transmission time, the phase shift of an RIS reflection unit and channel uncertainty constraints, constructing a resource optimization model based on channel uncertainty by taking the maximization of the total energy efficiency of the RIS assisted passive communication system based on distortion noise as an optimization target; s3, converting the resource allocation model containing the channel uncertainty into a deterministic optimization problem model by utilizing a worst criterion and binary Taylor expansion; and then an alternating optimization method, a variable substitution method and a continuous convex approximation method are used for solving, so that the optimal total energy efficiency is obtained.

The invention relates to the technical field of radio frequency, and discloses a radio frequency device and an assembling method, the radio frequency device comprises a base, a mounting shell is arranged above the base, and radio frequency equipment is mounted in the mounting shell; according to the radio frequency device, the radio frequency signal positioning function of the device can be optimized in the assembling process, the radio frequency signal RSSI can be well calibrated and corrected, the radio frequency device can keep high positioning performance when facing a complex and changeable signal environment, and the reliability of the radio frequency device is improved. The device can regularly and completely clean dust on all parts of the surface of the radio frequency device, so that the adverse effect of the dust on the performance of the radio frequency device is avoided, the communication quality and stability of the radio frequency device are improved, and the device further has a line combing function, can ensure that lines in the radio frequency device are arranged tidily and orderly, and improves the communication quality and stability of the radio frequency device. And the device also has a buffering function, so that when the radio frequency device vibrates, vibration energy can be absorbed and dispersed through damping and buffering treatment, and the service life of the device is prolonged.

The embodiment of the invention discloses an in-vehicle machine diagnosis method based on multi-channel communication, the method is applied to an in-vehicle machine diagnosis system, and the method specifically comprises the following steps: acquiring networking information of an in-vehicle machine diagnosis instrument, and judging whether each diagnosis module in the in-vehicle machine diagnosis instrument is in a network available state according to the networking information; a diagnosis module in a network available state is selected to be added into a to-be-started sequence, and the vehicle diagnostic apparatus performs to-be-diagnosed agenda arrangement in the to-be-started sequence; acquiring vehicle-mounted machine diagnosis information of each diagnosis module, and judging whether the vehicle-mounted machine diagnosis instrument is in a diagnosis function operation state or not according to the vehicle-mounted machine diagnosis information; a diagnosis module in a diagnosis function operation state is selected to be added into a diagnosis program arrangement column, and the diagnosis module performs diagnosis agenda arrangement in the diagnosis program arrangement column; and sending an in-vehicle diagnostic repair instruction to the in-vehicle matched with the in-vehicle diagnostic apparatus. According to the method provided by the embodiment of the invention, two independent wireless communication channels are configured, so that the system has communication redundancy capability, and the communication stability and reliability in the diagnosis process are remarkably improved.

The invention discloses a control method of an intelligent traffic system based on automatic protocol docking, which relates to the technical field of traffic control, and comprises the following steps: monitoring traffic communication environment parameters in real time based on a traffic communication environment file, and obtaining a traffic communication environment summary; constructing a traffic communication protocol selection model based on the random forest model; obtaining an optimal traffic communication protocol through a traffic communication protocol selection model based on traffic communication environment summarization; based on the optimal traffic communication protocol, protocol conversion is carried out through an intelligent intermediate, a traffic communication path is dynamically evaluated through a heterogeneous network communication path optimization mechanism, and an optimal traffic communication path is obtained; and based on the optimal traffic communication path, traffic communication data are encrypted through a quantum random number generator, and traffic communication data transmission is carried out. Through the protocol selection mechanism of the random forest model and the quantum encryption technology, the communication efficiency, reliability and safety of the intelligent traffic system are improved.

The present invention relates to the field of communication technology, and specifically to a data frame processing method and system, the system comprising an FPGA, a micro control unit and two PHY chips; the method comprises: configuring the working modes of the two PHY chips through a chip configuration module, the working modes comprising a normal mode; generating interface data from a received data stream through the PHY chip, and sending the interface data to a frame processing module; in the normal mode, extracting a control frame and a correct data frame from the interface data through the frame processing module, and sending the control frame and the correct data frame to a frame insertion / frame interception module; and converting the received correct data frame into interface data and sending it to the PHY chip; forwarding the received correct data frame to another frame processing module through the frame insertion / frame interception module; the present invention optimizes the use of hardware resources and improves communication efficiency and stability.

The invention relates to a coal mine underground RS485 self-adaptive baud rate communication method, belongs to the field of safety monitoring and accurate positioning, and aims to solve the problem that baud rate matching of existing coal mine underground RS485 bus communication equipment is difficult. According to the method, a CRC (Cyclic Redundancy Check) check code is added at the tail of information, so that data integrity check is realized, and slave equipment with unmatched Baud rates can monitor signals on a bus and automatically switch the Baud rates for matching until complete information is successfully received. Besides, the method also supports the master device to broadcast configuration information, realizes reconfiguration of the Baud rate of the slave device, and ensures ordered switching of the Baud rate through timer management. The flexibility and adaptability of the coal mine underground RS485 communication equipment are effectively improved, the field installation and debugging process is simplified, the communication reliability and stability are enhanced, and the RS485 communication equipment is suitable for the fields of coal mine underground safety monitoring, accurate positioning and the like.

The invention provides an Internet of Things wireless transmission method based on a dynamic arbitrary polarized antenna, which belongs to the technical field of wireless networks, and comprises the following steps: a master station finds a slave station to establish communication by adjusting the polarization direction of the antenna, and sends a handshake signal to establish communication; after communication is established, the master station periodically sends a judgment signal to the slave station, receives a feedback signal of the slave station, and judges whether the slave station needs to adjust the antenna polarization direction according to a polarization signal quality CQI result of the feedback signal; and the slave station performs switching when judging that the polarization direction of the antenna needs to be adjusted based on the judgment signal, calculates CQI data and feeds back the CQI data to the master station. According to the invention, the antenna with the adjustable polarization direction is matched with baseband processing and signaling protocols, so that the master station and the slave station can carry out adaptive polarization direction switching, and a reliable, stable and rapid communication state is ensured.

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 present invention provides an Internet of Things intelligent terminal system and method capable of actively adjusting a communication mode, the method comprising step 1, newly defining a message: based on original message data, newly defining a communication message; step 2, analyzing the message: a receiving-end Internet of Things intelligent terminal analyzes the received message to obtain a valid message; step 3, real-time detection: according to valid message information, real-time detection of the signal strength of LORA communication between different Internet of Things intelligent terminals, and automatic switching between the LORA communication mode and the 4G communication mode according to the change of the signal strength of the LORA communication; through the Internet of Things intelligent terminal system and method capable of actively adjusting a communication mode described in the present invention, the problem of limited communication modes of Internet of Things terminals in different occasions can be solved, the application scope of the communication mode between Internet of Things terminals can be expanded, the communication cost can be reduced, the communication stability and security between terminals can be improved, and the reliability of communication between Internet of Things terminals can be enhanced.

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 invention discloses a channel switching method, an access point (AP) and a communication system. The method comprises: determining a plurality of spatial streams for signal transmission between an access point (AP) and a terminal by using an initial channel, the plurality of spatial streams being signal streams transmitted based on different combinations of an antenna of the AP and an antenna of the terminal; under the condition that the initial channel does not conform to a predetermined performance condition, adopting a part of spatial streams in the plurality of spatial streams to respectively carry out channel scanning on the plurality of candidate channels, and determining a target channel; switching the partial spatial stream from an initial channel to a target channel; and switching the remaining spatial streams in the plurality of spatial streams to the target channel, the remaining spatial streams being spatial streams other than the partial spatial streams in the plurality of spatial streams. According to the method and the device, the technical problem that the communication quality is reduced due to signal cutoff in the channel switching process in the prior art is solved.

The invention relates to a production test method suitable for WIFI and Bluetooth equipment, and the method comprises the steps: configuring a hot spot of a router, and enabling a WIFI module and a test tool of tested equipment to be connected with the hot spot; the Bluetooth module and the test fixture of the tested equipment are triggered through the hot spot, automatically enter a Bluetooth Mesh network and establish an adaptive network; the tested equipment and the test fixture realize information synchronization in the Bluetooth Mesh network through point-to-point and many-to-many communication mechanisms; the WIFI module of the tested device sends a WIFI test command, and the Bluetooth module of the tested device sends a Bluetooth test command; and after the test is completed, determining a test result through a prompt signal, and ending the test process. The problems of limited device connection number, high operation complexity and the like in a traditional testing method are solved, and a flexible and efficient solution is provided for multi-device parallel testing in large-scale production.

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.

The invention relates to the technical field of remote control, in particular to a parking space lock control method and system based on the Internet of Things, and the method comprises the following steps: collecting the geographic position information of each parking space lock, carrying out the data integration of the geographic position and signal quality through combining with the signal intensity, carrying out the collection operation, carrying out the initial grouping of the parking space locks, and carrying out the collection operation; generating an initial equipment grouping result; and analyzing the communication load of each group of equipment in the initial equipment grouping result, and optimizing the equipment distribution in each group through load data comparison. According to the method, geographic position information and signal intensity of the parking space locks are collected, data are integrated and then subjected to set operation to generate equipment groups, initial groups based on position and signal features are formed, and logical optimization of equipment distribution is achieved. The communication load of the initial packet is analyzed, and the equipment distribution in the packet is adjusted through load data comparison, so that the problem of excessive concentration of the communication load is avoided, and the resource distribution is more balanced.

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 a hard real-time universal MPU board-level module, and relates to the technical field of communication, the module receives externally transmitted configuration data through a 5G communication circuit, and an MPU stores a configuration file corresponding to the configuration data in a first memory of an FPGA chip, so that when the FPGA chip is powered on, the configuration file corresponding to the configuration data is stored in the first memory of the FPGA chip; according to the communication module, the current communication conversion mode between the MPU and the industrial equipment can be configured based on the configuration file, so that the MPU can communicate with the industrial equipment by selecting the mode with the optimal communication quality in the IIC bus communication mode or the USB bus communication mode, the optimal communication quality between the MPU and the industrial equipment can be ensured, and the communication stability of the communication module is improved.