55 results about "Dual network" patented technology

The invention discloses a carrier rocket avionics system based on a TSN (Time Sensitive Network) and a carrier rocket avionics data transmission method, and belongs to the technical field of carrier rocket control. A network is physically or logically divided into a periodic time-sensitive data stream, a high-speed time-sensitive data stream and a best effort data stream, the three data streams are subjected to isolation management, and transparent interconnection between a 1553B bus network and a TSN switching network is realized on a protocol layer through an intelligent protocol conversion gateway. Meanwhile, in a network management layer, through an instruction response type configuration protocol, common Ethernet equipment is seamlessly incorporated into the global scheduling and control category of the TSN network. According to the invention, by constructing the avionics network system with three-layer partition and dual-network fusion, multi-network seamless fusion on the rocket can be realized, the real-time performance of the network is improved, and the key requirements of rocket recovery are met.

The application discloses a mobile cart for use in a hospital environment, and more particularly discloses a technique for equipping a mobile device with two different types of wireless communication devices, one of which is part of a mesh network, the mesh network may serve as a backup path to route data to the Internet. When the Wi-Fi connection fails or is weak, a mobile device, such as a mobile cart, may dynamically switch to a mesh network. This dual network approach enhances the reliability of data transmission, reduces the dependency on a single type of network, and ensures continuous operation, which may be important in certain environments, such as in a health care environment.

The application discloses a double-network redundancy transmission method and device based on link selection, and the method comprises the following steps: a data sending node duplicates message data and sends the message data to two independent parallel transmission networks through two network cards; when the data receiving node receives the message data sent by the data sending node from the corresponding transmission network through any one of the two network cards, the data receiving node checks a built-in node link state table, judges whether the record of the data sending node exists, if the record exists, judges whether the message data is sent according to the record of the data sending node, and updates the record of the data sending node in the node link state table according to the message data; if the record does not exist, the record of the data sending node is added in the node link state table, and the message data is sent according to the record of the data sending node; the application can construct two physically completely independent networks, and data can be transparently, efficiently and reliably transmitted in the two networks.

A server device for managing a hybrid satellite and terrestrial telecommunications network system for Internet of Things (IoT) devices receives monitoring data from IoT devices. Each of the IoT devices includes a dual network interface controller (NIC) configured to facilitate the connection of the respective IoT device to a terrestrial network and a satellite network and sensors for capturing the monitoring data. The monitoring data includes network infrastructure integrity data and environmental data that describes environmental conditions surrounding a respective IoT device. The server device determines that the terrestrial network is experiencing an interruption using the monitoring data and identifies a group of IoT devices to be switched from the terrestrial network to the satellite network using the monitoring data. The server device can cause the group of IoT devices to switch communication from the terrestrial network to the satellite network.

The invention relates to the technical field of power system automation, in particular to a circuit breaker operating mechanism secondary circuit system suitable for a 110kV intelligent substation and a control method, the system adopts a layered architecture of a primary equipment layer, a secondary equipment layer, a station control layer and a dual-network redundant communication network, and is configured with equipment such as a high-precision sensor and a dual protection device; and equipment compatibility and data intercommunication are realized by following the IEC61850 standard. The control method comprises the five steps of state information collection, intelligent diagnosis, misoperation prevention locking, programmed operation and remote maintenance, and the operation success rate is guaranteed to be 99.99% through a dual mechanism of electrical hard contact and networked soft locking and a two-stage diagnosis mode of edge calculation and station level fusion analysis in cooperation with triple verification of programmed operation. The system solves the problems of isolated island, high misoperation risk and the like of traditional loop information, realizes full-dimensional state monitoring and predictive maintenance, adapts to the automatic and intelligent requirements of an intelligent power grid, and improves the safety and reliability of a transformer substation.

This application provides a control method and electronic device for a cellular network, relating to the field of terminal device technology. The method includes: when an electronic device interacts with an application server via a Wi-Fi network and a cellular network, the cellular network is requested by a first application and used by the first application and a second application that has not requested the cellular network. After the first application, as the last application to request and use the cellular network, switches from the foreground to the background and does not generate application data for a certain period of time, the cellular network access can be disconnected to prevent applications that have not requested the cellular network from continuing to use the cellular network when the electronic device has a Wi-Fi connection, thereby saving the phone's battery power in a dual-network environment.

A server device for managing a hybrid satellite and terrestrial telecommunications network system for Internet of Things (IoT) devices receives monitoring data from IoT devices. Each of the IoT devices includes a dual network interface controller (NIC) configured to facilitate the connection of the respective IoT device to a terrestrial network and a satellite network and sensors for capturing the monitoring data. The monitoring data includes network infrastructure integrity data and environmental data that describes environmental conditions surrounding a respective IoT device. The server device determines that the terrestrial network is experiencing an interruption using the monitoring data and identifies a group of IoT devices to be switched from the terrestrial network to the satellite network using the monitoring data. The server device can cause the group of IoT devices to switch communication from the terrestrial network to the satellite network.

The invention discloses a communication method, a storage medium and a computer program product, and relates to the technical field of network communication, and the method comprises the steps: obtaining a data packet at a first communication node, and transmitting the data packet to a bridge node through a first communication link when a cross fault occurs in independent dual networks; the bridging node identifies, splits and re-encapsulates the data packet, generates a new data packet and sends the new data packet to the second communication node through the second communication link; the second communication node responds to the acquired data information, generates a responded data packet and sends the responded data packet to the bridge node through a second communication link; the bridge node identifies, splits and re-encapsulates the responded data packet, generates a new responded data packet, and sends the new responded data packet to the first communication node through the first communication link; and obtaining the responded data information. According to the invention, the normal communication of the network can be ensured when the cross fault occurs in the independent dual-network mode.

The application discloses a kind of wisdom simulation type nursing teaching device based on double-network interconnection, it is related to nursing teaching technical field, including simulation arm and the adjusting mechanism being set to simulation arm side, adjusting mechanism includes mounting plate and rotating component, rotating component includes first rotating piece and second rotating piece, the middle part of first rotating piece is rotatably connected with rotating column, the bottom of rotating column is fixedly connected with the top of mounting plate, the top of rotating column is provided with limit block;By rotating rotating component to rotate simulation arm, by pulling lifting assembly to adjust the vertical position of simulation arm, so that simulation hand wall can realize free height adjustment, rotation angle adjustment and rotation adjustment, so that teaching display and injection practical operation become very convenient in teaching process, help students to operate and teacher's teaching display, facilitate teaching display and practical operation.

The invention relates to the technical field of logistics, and discloses a logistics dual-network vehicle line management method, which comprises the following steps: acquiring planning data and operation data, acquiring planning data and actual operation data of an express network at a preset time frequency, and processing the acquired data; planning data and operation data are displayed, and a data display interface is provided; business indexes are calculated, and key business indexes are calculated according to the actual operation data and predefined business rules; operation abnormity judgment: comparing the key business indexes with preset abnormity judgment thresholds, and judging that operation abnormity occurs if the key business indexes exceed the corresponding abnormity judgment thresholds; and performing early warning and decision making, and identifying operation abnormity according to an operation abnormity judgment result. According to the invention, the operation abnormity can be actively and timely identified and the early warning is generated, so that the management action is converted from passive remedy to early warning in advance and intervention in the event, and the refinement level, the operation efficiency and the risk management and control capability of the lane management are improved.

The invention discloses a service sending method, a service receiving method and a related device based on a narrowband base station, relates to the field of communication, and specifically, a terminal user unit supporting broadband communication and narrowband communication can send a communication service according to a service type and broadband and narrowband network conditions monitored by dual networks when sending the communication service. And selecting a target network and sending the communication service through the target network. Compared with a scheme in which a narrowband network bears all services, the method and the device have the advantages that the purpose of sending different types of services by using different networks can be achieved, and on the basis, when the terminal needs to send a certain communication service, even if the terminal exceeds the coverage range of the narrowband network or narrowband channel resources are completely occupied, the terminal can send the communication service. And the terminal user unit can still use the available broadband network to establish communication, so that the limitation of limited coverage area of the narrowband private network and limited narrowband network resources on the terminal service is broken through to a certain extent.

The application discloses a method and system for keeping function numbers consistent in a 5G-R and GSM-R multimode railway special terminal, aiming at solving the problem of terminal function number consistency in a railway communication system dual-network coexistence scene. The steps are as follows: a function number service application module first receives user registration, logout, query or switching operation instructions, and then judges the network state (dual network, only 5G-R or only GSM-R); then, state processing is performed, the dual network is fused, the 5G-R dominates synchronization, the GSM-R queries as needed, and the single network is processed according to the corresponding logic; then, the function number state is collected, and the registration situation is displayed in a single function number + double network label; when the network switches, the function number is synchronized based on the pre-stored information, and the consistency and availability before and after the switching are ensured. The technical scheme of the application realizes unified management of dual-network function numbers, simplifies human-computer operation, reduces network service overhead, ensures the stability of railway dispatching communication, and has high application value.

The application provides a subway station high-precision positioning system and method based on 5G public and private networks, and belongs to the field of wireless communication and indoor positioning technology.The method comprises the following steps: performing multi-dimensional signal coverage analysis on the area in the subway station to generate a public network and private network signal strength distribution atlas; deploying a positioning terminal supporting 5G public network and private network dual-mode access according to the atlas, constructing a hybrid positioning network cooperated by the public network and the private network, and synchronously collecting double-network signal fingerprint feature data; and through 5G public network and private network dual-mode access and signal fingerprint dynamic fusion, the positioning precision and coverage range in the subway station are significantly improved, low-cost high-precision positioning can be realized in the public network coverage area, and data security and global consistency can be ensured in the private network deployment scene.

This invention relates to the field of substations and discloses a reliability analysis method for the communication network of a substation secondary system. Taking the overall failure of the substation communication network as the top event, and based on an autonomous and controllable substation safety partitioning architecture, the direct causes leading to the top event are decomposed into multiple intermediate events. A top-level fault tree model is constructed using logical OR gate relationships. Each intermediate event is recursively expanded hierarchically to form an initial subtree. Combining the characteristics of dual-network redundancy and dual-configuration of equipment, the redundancy mechanism is equivalent to AND gate logic and added to the initial subtree to obtain a partitioned subtree model. Equipment-level faults are extracted from the partitioned subtree as bottom events and standardized. Based on engineering statistical data, their failure rate and repair rate are determined. After calculating the unavailability, probability calculations are performed from bottom to top to obtain the overall system availability. This method can accurately output the overall availability of the substation secondary system communication network.

The application discloses a low-quality film image repair and enhancement method and system based on a dual network, and the method comprises the following steps: using an arbitrary scene segmentation method to segment an original video to be repaired into a plurality of video clips; extracting key frames of each video clip to form a key frame set, and extracting video frames in the original video to form a video frame set; combining the key frames and corresponding key frames repaired by a manual picture to form a low-quality-high-quality paired data set; the paired data set is divided into a plurality of groups and sequentially input into a pre-established and pre-trained pre-training repair and enhancement model, a transfer learning strategy is used for parameter updating, and a trained repair and enhancement model is obtained; the video frame set is input into the repair and enhancement model to obtain a repaired and enhanced picture set; and the picture set is recombined into a video according to an original video frame rate; wherein the pre-training repair and enhancement model is a dual network, comprising a generation network and a degradation network; and the trained repair and enhancement model is the generation network.

This invention relates to the field of communication management technology, specifically to a voice communication management system based on the convergence of WiFi and 5G. It includes a communication detection module, a trend prediction module, a value assessment module, an auction decision module, a resource execution module, and a resource recovery module. The communication detection module is used to collect channel quality parameters of the 5G and WiFi links in real time, as well as service characteristic parameters of each voice session. The trend prediction module is used to calculate the signal quality change rate of each link based on the channel quality parameters and predict the deterioration trend of each voice session's link within a future time window. The value assessment module is used to generate a dynamic protection urgency value for each voice session based on the deterioration trend and service characteristic data. The auction decision module is used to use the protection urgency value as the virtual bid for each voice session; and executes an auction algorithm to determine the set of sessions that receive dual-network parallel transmission protection and the parallel transmission resource allocation ratio for each voice session.

The invention relates to a direct-current power internet architecture constructed by a new energy block chain and an implementation method, and the direct-current power internet architecture comprises all new energy blocks which are linked through direct-current power lines connecting all the new energy blocks. The new energy block is composed of a new energy power generation device, a direct current load, a power frequency load, a power storage station and an inversion converter station which are connected through a closed annular graded power line, and a data port which is connected through 5G communication. Related, adjacent and similar new energy blocks in the jurisdiction are connected through direct-current power lines for connecting the new energy blocks to form a new energy block chain; the new energy block chains among the jurisdictions are subjected to power line connection to form a ubiquitous DC power internet, and energy in the new energy block chains and among the blocks flows from a high-voltage end to a low-voltage end to achieve net power dynamic balance. The direct-current power internet can be parallel to the power frequency power grid, peak clipping and valley filling are conducted on the power frequency power grid, double-grid uninterrupted power supply is achieved, and safe energy supply is guaranteed.

1. The name of the design product: double network port expansion board (Raspberry Pi CM5). 2. The use of the design product: for embedded double network port multifunctional expansion board. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The intelligent rail transit (IRT) train vehicle-to-ground wireless handover control system and method provided by this invention achieves cross-network healing of dual wireless networks through vehicle-to-ground wireless networks and a central controller, solving the pain point of dual-network failure and realizing intelligent reorganization and rapid self-healing of communication links. Simultaneously, the IRT train achieves intelligent handover control by setting minimum signal thresholds, signal handover and link maintenance time window thresholds, and signal consistency detection, completely avoiding erroneous and frequent handovers, significantly improving handover success rate and link quality. Based on dynamic adaptive parameters for IRT scene perception, the system can sense changes in speed, curvature, and environment, achieving dynamic optimization of handover strategies and ensuring performance across all scenarios. Combined with application scenarios, it achieves multi-system collaborative control, realizing a closed loop of communication assurance and train control. Through active speed adjustment, power adjustment, and degraded operation, it optimizes operational efficiency while ensuring safety.

A system for providing dual network address translation, comprising a Network Operations Center (NOC) which has a memory component, wherein the memory component stores logic which, when executed by a processor, causes the system to perform at least the following: Receiving data from a user workstation over a wide area network, wherein the data is received via a first Virtual Private Network (VPN) tunnel, wherein the data is encrypted using VPN encryption, and wherein the data is assigned a Unique Private Internet Protocol (UPIP) address that overlaps with a customer-defined private IP address and includes a security barrier; Removing VPN encryption from the data; Using a Twin-NAT-Network Address Translation (NAT) component to remove the UPIP address and replace it with the customer-defined private IP address from a private network at a destination; Packaging the data with the customer-defined private IP address in a privately defined protocol that includes the public source address and the public destination address; and Using a second VPN tunnel to transmit the data to the destination.

The invention relates to a real-time audio and video calling method and system and electronic equipment. The method comprises the following steps: an access gateway service receives an audio and video call request sent by a first client through the Internet; the audio and video call request comprises identification information of a second client responding to the audio and video request; the access gateway service sends the audio and video call request to a voice interaction service, and the voice interaction service requests a call from a call center platform; collecting and issuing audio and video data of the first client through streaming media service; and the call center platform determines a second client according to the identification information, so that the second client responds to the audio and video data, and an audio and video connection between the first client and the second client is established. According to the scheme provided by the invention, Internet audio and video access can be added on the call center platform, dual-network access of a telephone network and the Internet is realized, and the expansibility and flexibility of the call center platform are improved.

Disclosed are various aspects of a dual networked point-of-sale system and methods of data exchange upon network failure. In one aspect, a point-of-sale device is provided that is in communication with a wireless access point. Wherein upon failure of the wireless access point, the point-of-sale device attempts to connect through a mesh network to an additional point-of-sale device to attempt processing a financial transaction. In some aspects, the point-of-sale device heals itself from network failure by utilizing the node to node connection of a mesh network, in other aspects, the event environment becomes a swarm network wherein a plurality of point-of-sale devices interact and communication on both a traditional WLAN and a mesh network, providing network stability and redundancy.

This application relates to an online testing method for DCS network load and dual-network switching performance. The method includes: responding to a unit shutdown and a signal where field I / O signals are securely isolated, generating and activating a batch of temporary test points in at least one pair of controllers in the DCS for network-wide broadcasting to simulate peak network load; when the peak network load exceeds a preset load threshold, forcibly triggering a primary / backup switching operation between the DCS's A and B networks; collecting traffic data from the A and B networks via switch port mirroring; recording application layer service data within the DCS; and analyzing network switching performance indicators based on the traffic and service data. This application solves the problem of inaccurately measuring the operating status of thermal power generating units, and the network-wide broadcasting of batch temporary test points can reproduce the communication characteristics of the DCS under full load or even overload conditions.

1. The name of the design product: network expansion board (Raspberry Pi CM5 dual network port 4 / 5G). 2. The use of the design product: expansion board for embedded dual network port 4 / 5G network. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The invention relates to an intelligent driving scheduling system for a rail transit network. Comprising a wire network passenger flow analysis and prediction cluster server, a hot standby redundant application server, a wire network working diagram server, a hot standby redundant database server and storage, a hot standby redundant and ACC system interface server, a hot standby redundant line ATS interface server, a hot standby redundant wire network big data interface server and a hot standby redundant NCC interface server. The system comprises an equivalent insurance service subsystem, network equipment, a redundant network working diagram editing workstation, an extensible number of network scheduling workstations, an extensible number of network maintenance workstations, an extensible number of network playback workstations and a large-screen interface workstation, and the equipment adopts dual-network connection networking. According to the invention, network related information is obtained through interfaces with each line, ACC and a big data platform, the operation plan is further optimized, and energy conservation and consumption reduction are realized.

1. Name of the product in this design: Capacitive Microphone (Dual-Network GB40). 2. Purpose of this design: A microphone used for amplification. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The present application relates to the technical field of intelligent transportation, in particular to a wireless self-organizing network dual-network redundancy communication device for traffic intersection. The device comprises a data aggregation processing terminal, containing a wired network communication module, a wireless self-organizing network communication module, a link quality evaluation and optimization unit, and a link detection and switching unit. Multiple intersection devices automatically form a wireless local area network through the wireless self-organizing network communication module. Transmission delay time, packet loss rate and hop count between the device and adjacent intersection devices are measured at a preset period or when the network topology changes, and the optimal second communication link is selected through a weighted comprehensive evaluation model. When the wired network is interrupted, the device automatically switches to the wireless link and transmits to the background server through the optimal path and multi-hop of adjacent intersections. The present application realizes wired and wireless dual-network redundancy backup, guarantees the real-time and reliability of data transmission through the weighted optimization algorithm, and is suitable for high-reliability scenarios such as traffic signal control.

The invention discloses a power supply system based on a multi-single-wire looped network parallel architecture, which comprises two single-wire looped networks which are interconnected with respective power grids through a multi-port energy exchange hub to realize energy exchange and redundant backup between the looped networks. According to the single-line looped network, renewable energy sources, stored energy and loads are connected in series through a single cable to form a closed loop, a looped network controller dynamically optimizes power supply voltage and current based on big data analysis, and real-time power balance is achieved; power distribution of the shared renewable energy source is coordinated across the ring network through the double DC / DC converters, and conversion loss is reduced; the multi-port energy exchange hub adopts a back-to-back converter and a public energy storage unit to support rapid power regulation of the looped network; the reliability is improved through hot backup of the double-loop network controller; the load is switched through the interconnection switch when the power grid fails, and the emergency power supply is started when the dual-network fails. Line loss and investment cost are effectively reduced, efficient utilization of renewable energy sources and power supply reliability are achieved, and large-scale power utilization requirements of data centers, industrial parks and the like are met.

The invention discloses a portable remote medical security box group based on dual-network integration, and the box group comprises a medical data collection box, a network communication box, and an audio and video interaction box, and can obtain the target medical data of a target object in time through the medical data collection box, thereby solving the problem that the medical data cannot be collected in real time. Besides, a satellite communication module and a mobile communication module are arranged in the network communication box, so that a user can flexibly select an appropriate communication module to send the target medical data to a remote diagnosis and treatment end according to the emergency degree of the target medical data and the network environment where the current box group is located; the problem that a current telemedicine security box group is single in communication service is solved, a real-time session between the audio and video interaction box and a telemedicine terminal can be established through the selected target communication module, and timely transmission of target medical data and data synchronization with a rear end are guaranteed. And dual improvement of communication link robustness and clinical decision real-time performance is realized.

The invention discloses a train fusion positioning method and system based on 5G communication, and the method comprises the steps: obtaining the 5G wireless communication measurement information of a train, including RTT, RSSI, AoA, TDoA and other parameters, and calculating a continuous positioning result of the train based on the measurement information; the system adopts a 5G A network and B network dual-network redundancy design, and a single-network positioning mode, a dual-network fusion positioning mode or a dead reckoning positioning mode is dynamically selected according to signal quality; when the 5G signal quality meets a threshold value, positioning is carried out based on 5G measurement information, and speed sensor data is used as auxiliary verification; and when the signal quality is insufficient, switching to a dead reckoning mode based on the speed sensor. According to the invention, the confidence of a positioning result can be evaluated in real time, and positioning integrity monitoring and grading speed control are implemented; positioning calculations may be performed at an edge computing node (MEC) or an in-vehicle computing unit. The reliability and precision of the positioning system are improved, and the positioning precision can reach the sub-meter level.