16results about How to "Avoid communication interruption" patented technology

The invention discloses a low-orbit communication satellite load multilink cooperative transmission system, and belongs to the technical field of satellite communication. In order to solve the problems of insufficient link reliability, low utilization rate of resources in constellations, weaker emergency response and fault-tolerant capability and higher operation cost, the invention is composed of a plurality of low-orbit communication satellites, realizes global seamless coverage through reasonably deployed constellation configuration, ensures that a user can obtain stable communication service in any area, and improves the user experience. A multi-link cooperative communication mechanism is adopted, through real-time link quality evaluation and dynamic link selection, rapid switching of link faults is achieved, communication reliability is improved, a dynamic path adjustment technology is combined, a forwarding path of data in a constellation is optimized according to an actual link state, data transmission time delay is effectively reduced, and data transmission efficiency is improved. According to the time-space change of the flow demand, communication link resources are scheduled in real time, the utilization efficiency of system resources is optimized, and the communication demand of a high-priority task is guaranteed.

The invention discloses an NFC power supply detection device and method and an NFC system, the NFC power supply detection device comprises an NFC chip, an NFC antenna module and a control module, and the NFC antenna module supplies power to the control module when receiving an electromagnetic signal; and the control module obtains the power supply state of the NFC antenna module according to the power supply voltage output by the NFC antenna module, and sends the power supply state to the NFC chip, so that the NFC chip gives out a prompt. According to the technical scheme, through the synergistic effect of the NFC chip, the NFC antenna module and the control module, the power supply state of the NFC antenna module can be monitored and fed back in real time, communication interruption or functional faults caused by insufficient power supply are avoided, the stability of the system is improved, the equipment can timely prompt a user to adjust the position of the equipment under the condition of insufficient power supply, and the user experience is improved. Continuous operation of the equipment is ensured, and the reliability and user experience of the equipment are improved.

The present application belongs to the technical field of Internet of Vehicles and communication security, and discloses a federated learning training method based on vehicle state perception and applicable to dynamic Internet of Vehicles. The method collects vehicle running state information of vehicle clients, preliminarily screens candidate vehicle clients, calculates comprehensive scores of the screened vehicle clients, adopts a client selection strategy combining selection of the top-ranked clients with random supplementation to determine a set of vehicle clients participating in the current round of federated learning, configures local training parameters for the selected vehicle clients according to vehicle speed and computing capacity, performs local training on local data sets to obtain model updates, performs weighted aggregation on the model updates of the effective participating vehicle clients at the server end, introduces a momentum mechanism to smooth the model update process, and obtains new global model parameters. This method effectively improves the stability, robustness and training efficiency of federated learning in a high-dynamic Internet of Vehicles environment.

This invention provides a method and system for optimizing downhole communication links based on self-organizing networks, relating to the field of communication link technology. The method includes acquiring communication node information, constructing a network topology, and determining network characteristic parameters; constructing a link quality prediction model to evaluate link quality; performing dynamic network partitioning and establishing a node priority ranking table to select the optimal transmission path; and real-time monitoring of link status, triggering node self-organizing reconfiguration when necessary. This invention can improve the connectivity, stability, and transmission efficiency of downhole communication networks, reduce communication latency, and enhance the safety of downhole operations.

The invention relates to an electronic circuit technology, and discloses a power-off time-delay circuit and a power-off time-delay method of a fan control system, when a power supply module supplies power normally, a key device is supplied with power through a first switching power supply, a charging and discharging unit is charged at the same time, and the power supply starting response time of the key device in a power utilization module is not influenced; when the power supply module supplies power abnormally, the charging and discharging unit discharges the second switching power supply, so that the second switching power supply converts and outputs a proper second voltage to supply power to the key device, thereby realizing a power-off delay function and ensuring that the key device works normally within a certain time. According to the invention, enough delay time can be provided for the system to maintain communication among the control modules, the problem of overvoltage possibly caused by direct use of capacitor discharge is also avoided, and key devices are protected. The invention aims to solve the problem of communication interruption of the fan control system caused by the jitter of the power supply, meet the power-off delay demand of the system, and avoid the influence on the starting response of the system.

The invention discloses a medical waste control management system based on hospital monitoring data and a management method thereof.The medical waste control management system comprises a computer, an internetwork connector and a plurality of monitors, and medical waste distribution image information monitored by the monitors is collected through a hospital inpatient area monitoring module and a hospital non-inpatient area monitoring module; the medical waste distribution information is transmitted to a computer through an internetwork connector, and the computer performs visual presentation and processing on data test and optimization in the medical waste distribution information to obtain an image result; and performing security verification on the image result through a dynamic programming algorithm to obtain a security property verification result to determine whether to trigger the medical security management module. According to the scheme, comprehensive monitoring of blind areas and dead angles is achieved, it is ensured that medical waste generated at each position in a hospital can be captured, monitoring data collection is continuous and stable, control, management and use of the medical waste in an inpatient area and a non-inpatient area of the hospital can be monitored for a long time, and the medical waste treatment process can be continuously monitored and controlled.

The invention relates to an optical cable quality intelligent tester, which comprises a main control chip, and a CPU decoupling circuit, a downloading circuit, an optical data transceiver module, a plurality of optical switches and a plurality of optical path change-over switches which are in communication connection with the main control chip, the plurality of optical path change-over switches are respectively used as a receiving side and a transmitting side of optical path switching, and the main control chip is used for executing a user command, realizing switching of optical fiber channels, signal detection and data processing, and feeding back a detection result to a user; the optical path change-over switch is used for switching signal transmission paths among a plurality of optical fiber channels; and the optical switch is used for switching control of emergency standby signals. According to the technical scheme, the 24-to-1 automatic optical path switching module is integrated, so that continuous signal transmission is ensured, communication interruption caused by fiber breakage is avoided, and the stability and the response speed of an optical fiber network are greatly improved.

The application discloses a gateway and a switching method for low-orbit satellite IoT-NTN and 4G cellular network fusion communication, and the gateway comprises a main control module, a 4G communication module, a low-orbit satellite IoT-NTN communication module, a power management module and the like. The 4G module and the satellite module are independent of each other and are uniformly scheduled by the main control module. In the switching mode, the main control module constructs an adaptive switching decision model based on a double-link packet loss rate: when the 4G network packet loss rate exceeds a first threshold value, and the difference between the 4G and satellite network packet loss rates in a plurality of continuous detection periods is greater than a second threshold value, and the minimum switching interval is met, the satellite network is switched to; when the satellite network is working, if the 4G network quality is restored and the minimum network staying time is met, the 4G network is switched back. Through the double-link cooperation and the intelligent switching mechanism based on the packet loss rate difference and the time constraint, the application solves the problem that the communication continuity and the cost control are difficult to be considered in the Internet of Things scene, and realizes the low-power, low-frequency and high-reliable dual-mode communication.

The present application provides a method and system for monitoring the performance of an optical communication device based on big data analysis, which relates to the field of optical communication equipment management. The method includes: obtaining real-time operation data of an optical communication device; extracting the equipment operation features corresponding to the real-time operation data based on a feature extraction model; extracting the abnormal behavior pattern features corresponding to the equipment operation features based on an abnormal pattern analysis model; inputting the real-time operation data, the equipment operation features and the abnormal behavior pattern features into a fault identification model, so that the fault identification model outputs the corresponding target fault type; and outputting the equipment performance indicators of the optical communication device according to the real-time operation data when the first abnormal behavior pattern or the second abnormal behavior pattern is not detected. Thus, the big data analysis and machine learning model technologies are comprehensively utilized to identify potential equipment failures, which significantly improves the operation stability and maintenance management efficiency of the optical communication device.

The invention belongs to the field of network communication, and particularly relates to a network connection enhancement method and system based on heartbeat signals, and the method comprises the steps: creating a heartbeat packet parameter pool and a plurality of concurrent working threads, setting a parameter selection optimization model in the parameter pool, selecting an optimal heartbeat parameter through obtaining an initial state data sequence of the plurality of concurrent working threads, and completing the network connection enhancement. Constructing a heartbeat packet set and distributing the heartbeat packet set to a corresponding thread; calculating a dynamic transmission interval of the heartbeat packet through a dynamic interval search model; setting an evaluation score threshold value, evaluating a working thread state in real time, and when all thread scores are higher than the threshold value, keeping the current state and updating the evaluation scores and parameters to a parameter pool; when the working threads with the scores lower than the threshold value exist, the abnormal state is judged through an abnormal judgment model, and the abnormal state is fed back to a parameter selection optimization model to optimize heartbeat packet parameters; according to the invention, the stability and efficiency of network connection are improved by dynamically adjusting the parameters and transmission intervals of the heartbeat signals.

The invention discloses a dual-mode communication method and system. According to the method, when a terminal performs service transmission in a first communication mode, stability information is obtained, and a prospective risk judgment basis is formed based on the stability information; when the prospective risk judgment basis meets a preset condition, starting a radio frequency and access process of a second communication mode to enable the second communication mode to enter an available state; when the two communication modes are in the available state at the same time, determining a main bearing communication mode and generating a corresponding data migration strategy; according to the main bearing communication mode and the data migration strategy, gradually transferring the service data to the main bearing communication mode for bearing; and after determining that the main bearer communication mode stably bears all service data, degrading or releasing non-main bearer communication resources, thereby realizing seamless switching of dual-mode communication. The method can effectively improve the continuity and reliability of communication switching, and is suitable for various heterogeneous network communication scenes.

The utility model discloses an integrated electronic badge of many communication modes, solve the technical problem of single communication mode of electronic badge in the prior art, and the use scene is limited. Including main control module, positioning module, SIM card module, bluetooth module, LoRa module and power module, main control module is connected with positioning module, SIM card module, bluetooth module, LoRa module and power module respectively, still including main antenna, GNSS antenna, bluetooth antenna and LoRa antenna, main antenna is connected with main control module through radio frequency module, GNSS antenna is connected with positioning module, bluetooth antenna is connected with bluetooth module, LoRa antenna is connected with LoRa module. The electronic badge of the present application is adapted to multiple scenes, and is suitable for office building, mine and other scene personnel management. Can be widely used in electronic badge technical field.

The invention relates to the technical field of wireless communication testing, and provides a line loss testing system and method, electronic equipment and a storage medium. The line loss test system comprises: a test fixture; the line loss calibration piece is configured on the test fixture and is connected with the receiving port of the test fixture through a test probe of the test fixture; the comprehensive test instrument is connected with the line loss calibration piece through the radio frequency line to be tested, and the comprehensive test instrument is used for sending out or receiving a test signal according to the test instruction; and the PC terminal is in communication connection with the test fixture and the comprehensive test instrument and is used for sending a test instruction to the comprehensive test instrument. Through the line loss test system provided by the embodiment of the invention, the accuracy of line loss detection can be improved, the production test efficiency is effectively improved, and the test cost is saved.

The invention discloses an ammeter data acquisition field problem analysis method and system, and belongs to the ammeter operation and maintenance field, and the method comprises the steps: receiving a first message sent by a concentrator in real time through a first serial port, and forwarding the first message to a CCO module through a second serial port when the first message is received; a second message sent by the CCO module is received in real time through the second serial port, and when the second message is received, the second message is forwarded to the concentrator through the first serial port; and analyzing the first message or the second message through a cyclic redundancy check method, and when any one of the first message or the second message has an error, positioning a fault according to the error message. Therefore, by implementing the method and the device, the problem of how to accurately position the fault position on the premise of not influencing the normal communication of the system can be solved.

This invention discloses a configuration interaction method, apparatus, device, and medium for an electricity meter and a communication module. The method, applicable to communication modules, includes the following steps: sending a management interaction frame to the electricity meter, the management interaction frame instructing the electricity meter to send parameter configuration frames; if an interaction confirmation frame is received from the electricity meter, receiving the parameter configuration frames sent sequentially by the electricity meter, and returning a configuration response frame to the electricity meter each time a parameter configuration frame is received; receiving a configuration completion notification frame sent by the electricity meter in response to the last configuration response frame, the configuration completion notification frame carrying a configuration version identifier, comparing the configuration version identifier with a local version identifier to obtain an identifier comparison result; if the identifier comparison result shows a version identifier inconsistency, obtaining the configuration change type of the electricity meter, and determining the parameter activation strategy for the changed configuration parameters based on the configuration change type; and executing the parameter activation strategy to apply the changed configuration parameters. This method can significantly improve the reliability of the configuration interaction process.

The present invention discloses a multi-link cooperative transmission system for low-orbit communication satellite payloads, and belongs to the field of satellite communication technology. In order to solve the problems of insufficient link reliability, low resource utilization within the constellation, weak emergency response and fault tolerance, and high operating costs, the present invention is composed of multiple low-orbit communication satellites, and realizes global seamless coverage through a reasonably deployed constellation configuration, ensuring that users can obtain stable communication services in any area, adopts a multi-link cooperative communication mechanism, and realizes rapid switching of link failures through real-time link quality evaluation and dynamic link selection, improves communication reliability, and combines dynamic path adjustment technology to optimize the data forwarding path within the constellation according to the actual link status, effectively reducing data transmission delay, and scheduling communication link resources in real time according to the spatiotemporal changes of traffic demand, optimizing system resource utilization efficiency, and ensuring the communication needs of high-priority tasks.