728results about "Star/tree networks" patented technology

The invention discloses a cross-platform authority unified management method and system based on a multi-WEB system, and the key point of the technical scheme is that the method comprises the steps: obtaining organization structure data of an enterprise system, analyzing the organization structure data, constructing a multi-level tree topology network, forming organization entity topology parameters, analyzing the organization entity topology parameters, and storing the analyzed organization entity topology parameters into a database; according to the scheme, post authority baseline parameters are generated, dynamic optimization of channel selection is achieved by constructing a dual-channel transmission decision maker and combining real-time network state data and an inter-system interaction characteristic score table, and compared with a traditional static configuration mode, the mechanism can achieve dynamic optimization of channel selection according to parameters such as department communication strength, system transmission performance and safety scores. According to the method, the optimal transmission path is automatically selected, network congestion or high-delay nodes are avoided, cross-system adaptation rules are generated through mapping calculation of an authority interface strategy and post authority baseline parameters, the problem of authority granularity difference between different systems is solved, and the accuracy and consistency of authority distribution are ensured.

A system and method including a vehicle having a first network zone and a second network zone of a different type than the first network zone; a converged network device (CND) interposed between the first network zone and the second network zone, the CND including a policy manager circuit structured to interpret a policy comprising a network regulation description; a configuration circuit structured to configure a first network interface circuit in response to the network regulation description; and where the first network interface circuit is structured to regulate communications between end points of the first network zone and end points of the second network zone.

A system and method, including a vehicle having at least one network zone; a converged network device (CND) interposed between the at least one network zone and at least one of an external communication portal or a first external device, the CND including a policy manager circuit structured to interpret a policy comprising a network regulation description, wherein the policy is communicated to the CND from a second external device; a configuration circuit structured to configure a gatekeeper interface circuit in response to the policy; and the gatekeeper interface circuit, wherein the gatekeeper interface circuit is structured to regulate communications between end points of the at least one network zone and the at least one of the external communication portal or the first external device.

A system and method, including a vehicle having a first network zone and a second network zone; a converged network device (CND) interposed between the first network zone and the second network zone, the CND comprising: a policy manager circuit structured to interpret a policy comprising a network regulation description, wherein the policy comprises a default policy value; a configuration circuit structured to configure at least one network interface circuit in response to the external data routing description and the external data service description; the at least one network interface circuit, wherein the at least one network interface circuit is structured to regulate communications between end points of the first network zone and end points of the second network zone.

A system and method for interpreting a policy comprising a network usage permission description; configuring a first network interface circuit in response to the network usage permission description; and regulating communications, using the first network interface circuit, between end points of a first network zone of a vehicle and end points of a second network zone of the vehicle.

A system and method, including a vehicle having a first network zone and a second network zone of a different type than the first network zone; a policy manager circuit structured to interpret a policy comprising an external data routing description and an external data service description; a configuration circuit structured to configure a gatekeeper interface circuit in response to the external data routing description and the external data service description; the gatekeeper interface circuit interposed between the first network zone and at least one external communication portal selectively couplable to an external device; and wherein the gatekeeper interface circuit is structured to regulate communications between end points of the first network zone and the at least one external communication portal, and to regulate communications between end points of the second network zone and the at least one external communication portal.

The invention relates to the technical field of coal mine fully mechanized mining, in particular to a coal mine communication network system based on a time-sensitive network, and the system comprises a wired communication system, the backbone network of the wired communication system is composed of a plurality of TSN network switches which are in ring network topology connection, and the wired communication system is used for accessing coal mine equipment as a terminal to a TSN network; the wireless communication system is connected with the wired communication system, consists of wireless communication equipment compatible with a TSN protocol, and is used for accessing the coal mine equipment into a TSN network through wireless connection; a communication system based on a time sensitive network (TSN) is established, a real-time, determined and reliable communication network is provided for a coal mine production system, wired and wireless communication systems are adopted, the whole coal mine production control system is covered together, and the requirement of automatic control for data communication is met.

The embodiment of the invention provides a battery pack, a control method of the battery pack, electronic equipment and a storage medium, and belongs to the technical field of battery management. The method comprises the following steps: in response to a power-on instruction, controlling a master node to establish wireless communication connection with a slave node through a wireless communication transceiver module, and establishing wired connection with the slave node through a daisy chain communication transceiver module; a communication processing module drives a wireless communication transceiver module of a master node to send a cell data query instruction to a slave node in a wireless communication mode according to a preset first time period; driving a daisy chain communication transceiver module of the master node to send a cell data query instruction to the slave node in a daisy chain communication mode according to a preset first time period; and controlling the master node to receive battery cell data fed back by the slave node according to the battery cell data query instruction, and generating a corresponding control instruction according to the battery cell data. According to the embodiment of the invention, the stability of battery pack communication can be improved.

In an aspect, systems and methods of connected nodes, including electronic control units (ECUs) in a vehicle, integrate remote direct memory access (RDMA) capabilities with time-sensitive networking (TSN) traffic shaper configurations in a manner that guarantees lossless, bounded-latency critical traffic (CT) streams, while also allowing for different classes of traffic to flow through the connected nodes. In another aspect, mechanisms are introduced to enable an automotive software framework (e.g., classic AUTOSAR) to support RDMA communications.

The invention discloses an airborne meteorological radar based on AFDX (Avionics Full Duplex Switched Ethernet) interface control, which mainly overcomes the defects of limited communication interface transmission rate, limited bandwidth, low reliability of a topological system and the like of the existing airborne meteorological radar. The system comprises an antenna, an antenna driver, a transmitter, a receiver, a control unit and a signal processing unit, the signal processing unit adopts an AFDX communication interface, specific functions are realized by an AFDX interface control module, and a DC / DC voltage conversion module performs voltage adjustment and signal enhancement; the Ethernet bus physical layer analysis module realizes a physical layer function of Ethernet communication; the AFDX protocol upper layer control module unpacks the digital signal according to the AFDX protocol and packs data information; and the state information conversion module is used for mutually converting the AFDX data and a radar working mode mark used in the radar. The method has the advantages of being high in transmission rate, wide in band, flexible and safe in network topology and high in real-time performance, and can be used for various aircrafts.

The present application provides a chip communication circuit, method and apparatus based on automatic clock synchronization. The method includes: determining clock synchronization information of a first battery management chip in response to a received control instruction; replacing a chip selection enable signal in the control instruction with a clock synchronization signal carrying the clock synchronization information of the first battery management chip to obtain a new control instruction; and transmitting the new control instruction to other battery management chips, so that the other battery management chips perform automatic clock synchronization based on the clock synchronization information carried in the new control instruction; where the other battery management chips are battery management chips among the multiple battery management chips except for the first battery management chip, and a daisy chain with a sinusoidal sawtooth waveform is used for isolated communication between different battery management chips.

The invention relates to the technical field of wireless communication, in particular to a hospital district wireless network system supporting an internet of things protocol, which is characterized in that a multi-protocol dynamic scheduling engine intelligently selects a protocol stack by utilizing a lightweight reinforcement learning model through a three-layer dynamic decision-making architecture; the time-sensitive hybrid topology network adopts dual-mode topology fusion to provide a star network and low-delay time slot distribution for emergency equipment; the cross-protocol security aggregation gateway realizes cross-protocol data encapsulation and field-level mapping based on a unified data head of the medical Internet of Things; the intelligent spectrum anti-interference unit monitors and analyzes a hospital frequency band electromagnetic environment in real time to obtain a spectrum sensing information result, and feeds back the spectrum sensing information result to the multi-protocol dynamic scheduling engine and time-sensitive hybrid topology network. According to the invention, the multi-protocol dynamic scheduling engine is combined with the time-sensitive hybrid topology network, so that the communication problems of equipment types and complex environments can be solved.

A method for monitoring a data network in a motor vehicle is provided, wherein a switch device is operated in the data network, in which physical ports for receiving and for transmitting data packets are interconnected via a switch circuit. A network processor reads out detection data in monitoring positions of the data packets and forms pseudo target determination data for an associative memory therefrom, which actually is to process target determination data for a target port determination, and it is examined if certain action data results, which signalizes a necessity of a detection action, by inputting the pseudo target determination data into the associative memory.

The invention discloses a downlink message control method of a star topology network and a server for executing the control method. The star topology network comprises a server, a plurality of gateways and a plurality of nodes. The nodes communicate with the server through the gateway, and the server allocates a timer for each of the gateways. The control method comprises the following steps: 1, judging whether a node is newly accessed to the star topology network; if so, entering the step 2; Step 2, establish a node-gateway topology relationship to determine a coverage area of each gateway and a coverage area of each node; 3, allocating one of a plurality of downlink frequency points to a newly access node; 4, requesting the gateway to send the message request when the frequency requiredfor the message request to be sent by the gateway is not used by the gateway in the coverage area of the destination node of the message request. The invention can more efficiently solve the problem of co-frequency interference of downlink communication of star topology network.

The invention discloses a cluster collection communication system applied to AI data stream processing, which relates to the technical field of distributed systems and network engineering and comprises a topology network deployment module, a data stream spatio-temporal data acquisition module, an optimization verification module, a state monitoring and early warning module and a visual traceability module. The topology network deployment module synchronously processes AI data streams, the data stream spatio-temporal data acquisition module extracts an entropy value and a covariance matrix, the optimization verification module outputs optimization parameters and a credible verification result, the state monitoring early warning module sets an adaptive threshold value to realize graded early warning, and the visual traceability module generates a three-dimensional thermodynamic diagram and a traceability graph. According to the method, the data stream processing efficiency is improved through the star-ring hybrid topology and the low-delay protocol, the decision credibility is enhanced in combination with quantum optimization and block chain verification, accurate early warning and three-dimensional visual traceability acceleration fault positioning are realized by using dynamic weighted monitoring and an adaptive threshold, and an efficient and intelligent full-stack solution is provided for AI trunking communication.

The invention discloses an audio transmission system based on a tree topology structure, and relates to the technical field of vehicle-mounted audio. The system comprises a host used for obtaining topological information of an audio transmission network and establishing a routing table; the audio transmission network comprises a plurality of audio transmission nodes forming a tree topology structure, and the audio transmission nodes are used for acquiring and analyzing data frames sent by other audio transmission nodes, transmitting the data frames to a target node according to a routing table, generating data frames to be sent according to acquired audio data and control information and sending the data frames to the target node. Querying a routing table to transmit a data frame to a target node; and the peripheral equipment is used for applying the target node connected with the peripheral equipment to process the audio data and collecting the audio data and the control information. The tree topology structure system is constructed, the same routing protocol is adopted for the control information and the audio data, transmission of the audio data and the control information between any nodes is achieved, and the data transmission efficiency and the system flexibility are improved.

The invention relates to the technical field of communication, in particular to a broadband access and data transmission device supporting a star network or a MESH network, and the device comprises a network node configuration module which is used for configuring a star network or MESH network mode according to an access scene, inputting a network number, a connection authority and a role attribute of a node, calling a distance value between the nodes, calling a corresponding connection rule, and transmitting the connection rule to the network node configuration module; setting threshold values are compared, the connection relation between the nodes is determined, and a node connection table is generated. According to the invention, by flexibly configuring different network structures, efficient operation in diversified network environments can be realized, and especially under the condition of dense nodes or complex network topology, the serial numbers, permissions and roles of the nodes can be dynamically adjusted, and the accuracy and stability of network connection can be ensured. By accurately inputting the node information and optimizing the node connection relation according to the distance and the rule, the expansion capability and the adaptability of the network are effectively improved.

A switched network, an online computing method for a switched network, an electronic device, and a non-transitory computer-readable storage medium. The switching network includes a plurality of switching nodes connected to each other to provide a communication network, where the plurality of switching nodes each include an in-network computing proxy node configured to receive and perform in-network computing tasks. The switching network can reduce communication delay and improve efficiency.

The invention discloses an LVDS (Low Voltage Differential Signaling) type daisy chain communication method based on effective signal detection, which relates to the technical field of communication, and comprises the following steps: S1, setting acquisition nodes, and connecting all the acquisition nodes in series by using a differential LVDS link to form a daisy chain topological structure in a grading manner; s2, keeping the transceivers in the daisy chain topological structure in a sleep mode and keeping real-time detection; s3, when a high pulse signal is detected, waking up the LVDS module to receive data; and S4, after confirming that the parameters take effect, generating a response packet, returning the response packet to the computer end, returning to a dormant state, and forming a communication transmission energy-saving closed loop. According to the invention, through a mechanism of event triggering and local node participation, the system is awakened when a high-pulse effective signal is detected, so that the power consumption overhead caused by that all nodes are always active in a traditional communication architecture is avoided; the method has the advantages of greatly reducing the average power consumption of daisy chain data communication, improving the overall response rate of the system and reducing the confirmation time delay.

An inter-chip timing synchronization method comprising: for each pair of chips in a plurality of chips of a semiconductor device: determining a first one-way latency for transmissions from a first chip in the pair to a second chip in the pair of chips, and determining a second one-way latency for transmissions from the second chip in the pair to the first chip in the pair of chips; receiving, at a semiconductor device driver, the first one-way latency and the second one-way latency for each pair of chips; determining, by the semiconductor device driver and from the respective first one-way latency and the second one-way latency for each pair of chips, a loop latency between each pair of chips; adjusting, by the semiconductor device driver and for at least one pair of chips, a local counter of the second chip in the at least one pair of chips based on a characteristic inter-chip latency of the semiconductor device and the first one-way latency of the at least one pair of chips.

To reduce the labor, time and cost required for wiring construction.SOLUTION: A control panel 1a includes a controller 100 that performs wired communication with a sensor or a device to be controlled, and a wireless communication device that wirelessly transmits data received via wired communication from the controller 100 to an external central monitoring device 500, and transmits data received wirelessly from the central monitoring device 500 to the controller 100 via wired communication.SELECTED DRAWING: Figure 1

The invention discloses a heterogeneous networking architecture and method based on an electric red-hong system distributed soft bus, the heterogeneous networking architecture comprises an equipment grading module, a hybrid topology networking module, a main / standby path configuration module and a communication protocol adaptation module, the equipment grading module divides equipment into a rich type and a thin type according to capability, the rich equipment takes the core role of relay and calculation, and the thin equipment takes the core role of relay and calculation; the thin device focuses on the basic function, accurate resource allocation is achieved, and computing power waste is avoided; the hybrid topology networking module enables rich equipment to construct a mesh topology through a high-speed link, and multi-path transmission of key data is guaranteed; the thin device is connected with the rich device in a single-hop mode to form a star topology, connection is simplified, the communication range is expanded by means of the rich device, and efficiency and coverage are both considered; the main and standby path configuration module is used for configuring double paths for equipment, and automatic switching is realized when a main path fails, so that the anti-fault capability is greatly improved, and equipment disconnection caused by a single link fault is completely eradicated; the communication protocol adaptation module dynamically selects a protocol according to needs, breaks the protocol barrier, reduces the conversion delay, and improves the overall communication efficiency and compatibility.

The invention discloses an intelligent water meter communication method and system for a multi-meter centralized reading system, and belongs to the technical field of intelligent water meters, and the method specifically comprises the steps: designing and building an intelligent water meter communication network, enabling each household intelligent water meter in a community to be connected to the intelligent water meter communication network, and carrying out the communication of the intelligent water meters according to a preset time interval; the method comprises the following steps of: periodically acquiring water consumption data of an intelligent water meter of each household in a community, transmitting the acquired water consumption data to a central server through an intelligent water meter communication network by utilizing a data communication strategy, compensating noise influence during water consumption data transmission, calculating transmission energy consumption of the intelligent water meter communication network, and selecting an optimal network communication channel; and the central server processes and analyzes the transmitted water consumption data, judges whether the pipeline leaks or not according to a data analysis result, carries out corresponding control and repair measures, and monitors the state and data change of the intelligent water meter of each household in a community in real time through a communication network.

A deep well ventilation system is a core link for guaranteeing safe production of a mine and is also a key technical challenge for realizing efficient and green mining of an ultra-large deep well mine. Ventilation energy-saving optimization is an important subject which must be solved by deep well mining. In a deep well ventilation system, reasonable configuration of a communication network structure is a basic guarantee for achieving real-time monitoring of underground environment data and reliable transmission of control instructions. The main contradiction faced by the current deep well communication network design lies in that the network redundancy design introduced for improving the reliability of data transmission can enhance the fault-tolerant capability of the system, but also causes the problems of complex network topology structure and increased construction cost at the same time. In order to solve the technical problem, the invention provides a communication network design and configuration method suitable for a mine ventilation scene. According to the method, a quantitative relation model of the network construction cost and the safety performance is innovatively established, and the optimal network node configuration scheme is determined through target optimization. Particularly, according to the method, the high reliability of the ring network and the high efficiency of the tree network are fused, so that the optimal design of the communication network topology structure is realized, and the network economy is remarkably improved while the system reliability is ensured.

A chassis front-end is disclosed. The chassis front-end may include a switchboard including an Ethernet switch, a Baseboard Management Controller, and a mid-plane connector. The chassis front-end may also include a mid-plane including at least one storage device connector and a speed logic to inform at least one storage device of an Ethernet speed of the chassis front-end. The Ethernet speeds may vary.

To provide systems, methods, and devices for improved routing operations in a network computing environment.SOLUTION: An architecture 400 for host routed overlay includes a virtual customer edge router (virtual CE router), a plurality of host virtual machines, and a routed uplink from the virtual customer edge router to one or more of a plurality of leaf nodes L1 to L4. The architecture is such that the virtual customer edge router provides localized integrated routing and bridging (IRB) service for the plurality of host virtual machines of the host routed overlay.SELECTED DRAWING: Figure 4

A main and auxiliary engine communication control method for multiple ship propellers relates to the technical field of ship power control, and comprises a main control propeller and a plurality of auxiliary control propellers, the main control propeller is installed at the leftmost position of a ship body tail plate, and the auxiliary control propellers are installed at other positions of the ship body tail plate in parallel. MAC addresses with the same mark code segment are pre-burnt in the main control propeller and the auxiliary control propeller; the master control propeller establishes a bidirectional data link with the remote controller through a wireless communication protocol; a single-hop star topology network is established between the main control propeller and the auxiliary control propellers, and the main control propeller sends a composite instruction packet to each auxiliary control propeller through a single broadcast channel; and each auxiliary control thruster returns state data to the main control thruster through an independent time division multiple access uplink channel. According to the invention, the defects in the prior art are overcome, the rapid identification and accurate positioning of the equipment are realized, the management and maintenance of the system are simplified, and the flexibility and expandability of the system are greatly improved.

Apparatus and methods for constructing Network on Chips (NoCs) by algorithmically elaborating one or more of Network on Chips (NoCs) through a hierarchical topology composed of instantiations of sub-NoCs and leaf components, and one or more connectivity definitions. Designing NoCs using one or more instantiations of sub-NoCs reduces overheads during chip backend processes, such as for timing closure.

The invention relates to a data transmission method and device, a management station, a terminal station, a system and a storage medium. The method comprises the following steps: an MS receives a first industrial Ethernet frame sent by a controller; and according to the first industrial Ethernet frame, respectively sending a wireless frame corresponding to a TS to a terminal station TS connected with each industrial device. By adopting the method, the system bandwidth can be saved.

The present invention includes a system for managing a battery, the system includes a wireless communication unit that communicates with a first upper-level battery management system performing communication using a first communication channel, a communication abnormality detection unit that detects a communication abnormality of the first upper-level battery management system performing communication using the first communication channel, and a channel change unit that changes the communication channel of the wireless communication unit to a second communication channel different from the first communication channel when the communication abnormality of the first upper-level battery management system is detected by the communication abnormality detection unit.