14 results about "Wireless grid" patented technology

The invention relates to a communication system and a communication method, aiming at a wireless mesh (Mesh) network architecture, considering uplink and downlink multi-hop links and a multi-hop sidelink between users. When a bottleneck area appears in a network, nodes (such as terminal equipment) in the network detect participating nodes in idle or inactive states in the network managed by different centralized nodes under the coordination of the centralized nodes (such as a base station), and multi-hop participating node network topology information is obtained. And according to the requirement of improving the overall performance of the network, proper participating nodes are selected to join in the network and reconstruct a wireless link, and network structure recombination is carried out, so that the network bottleneck can be broken through, and the network throughput is greatly improved.

This invention relates to the field of generator grid connection technology, specifically to a remote wireless grid connection device and method for generator vehicles / generator sets based on 5G / satellite communication. It includes: a grid connection main device installed on the grid side, comprising a main control module that sends control commands to a grid connection execution module on the generator side via a remote wireless communication module; a grid connection sub-device installed on at least one generator side, comprising a grid connection execution module that receives control commands from the grid side and executes grid connection operations via a remote wireless communication module; and a remote wireless communication module comprising a remote wireless communication main module installed on the grid connection main device and remote wireless communication sub-modules installed on the grid connection sub-devices, establishing a wireless bidirectional data communication link between the grid side and at least one generator side. Compared with existing technologies, it eliminates the need for physical communication lines and additional mains bypass switches, enabling parallel grid connection without distance or quantity limitations, and offers flexible sampling and disassembly / removal, as well as high access security.

This invention discloses a wireless network-based intelligent fire monitoring method and system, relating to the field of fire detection. The method includes: deploying infrared thermal imaging monitoring nodes based on a wireless mesh network; periodically monitoring through these nodes to obtain infrared image data; acquiring temperature data from the infrared image data and calculating surface humidity data; obtaining a two-dimensional image of fire hazard level distribution based on the surface humidity and temperature data; and conducting manual or robotic patrols based on the two-dimensional fire hazard level distribution image. This invention uses infrared remote sensing to calculate the surface humidity and ground temperature of combustible materials within the detection area, combined with multi-node collaborative monitoring via a wireless mesh network and a quasi-effective timing correction algorithm. This fundamentally transforms fire prevention from a passive response to proactive prevention, significantly improving early warning accuracy and the efficiency of resource utilization in fire control.

The application provides a router port identification method and device, electronic equipment and storage medium. The method comprises the following steps: in the case that the router does not have a determined WAN port, sending a DHCP Discovery message through each wired port of the router; in the case that a DHCP Offer message is received through any wired port of the router, analyzing the DHCP Offer message; in the case that an option43 field is carried in the DHCP Offer message, and the content in the option43 field is specified private content, determining that the router is a wireless mesh network MESH sub-node; in the case that the option43 field is not carried in the DHCP Offer message, or the option43 field is carried in the DHCP Offer message, but the content in the option43 field is not the specified private content, determining that the wired port is a WAN port. The method can realize automatic identification of the router port.

This application discloses an address prefix allocation method, apparatus, storage medium, and electronic device, relating to the field of smart home technology. The method includes: receiving a first address prefix request sent by a first boundary node, where the first boundary node is a boundary node in a wireless mesh network that has not established a communication connection with a router in the wireless mesh network; if, in a set of sub-network address prefixes matching the first network address prefix of a second boundary node, there is an unallocated sub-network address prefix, selecting a first sub-network address prefix from the unallocated sub-network address prefixes; the second boundary node is a boundary node corresponding to the first boundary node that has established a communication connection with a router in the wireless mesh network; the sub-network address prefixes in the set of sub-network address prefixes are identical in all address bits except for a set of preset address bits, and the preset address bits are all different; and sending a first address prefix allocation message to the first boundary node.

Methods, systems, computer readable storage medium and apparatus, as described herein, registers and configures mesh node devices to operate in a wireless mesh network as part of a process that may be referred to as an onboarding process. Such an onboarding process may store registration information and configuration information in a database at a computer in the cloud or that is accessible via the Internet. This stored information may be used to easily create or expand a wireless mesh network. This registration information may be cross-referenced with a profile associated with a network configuration, with a customer license, and with an identifier that identifies a wireless mesh network. Profiles consistent with the present disclosure may identify configuration preferences of a wireless mesh network and may identify software

A communication system and method are provided. For a wireless mesh (Mesh) network architecture, uplink and downlink multi-hop links and multi-hop sidelinks (sidelink) between users are considered. When a bottleneck area appears in a network, an intra-network node (for example, a terminal device) probes, under coordination of a centralized node (for example, a base station), participant nodes in an idle or inactive (idle / inactive) state in networks that are managed by different centralized nodes, obtains network topology information of a multi-hop participant node, selects, based on a requirement for improvement in overall network performance, an appropriate participant node to join the network, reestablishes a wireless link, and performs network structure reconstruction, to break through a network bottleneck and greatly improve a network throughput.

The present application relates to street lamp data transmission technical field, more particularly, to a kind of data transmission management method and system based on wireless mesh.The scheme includes setting MCU, RF wireless module, power supply module, indicating unit and wireless antenna, as for based on wireless mesh data transmission equipment;With gateway as converging point, the networking setting of equipment based on wireless mesh data transmission is carried out;For each data transmission, multiple levels of dependent path are set, whether data disaster appears in the system is judged in real time, if it appears, data disaster emergency networking plan is started;In the preset format, multiple data packets are merged for data fast transmission.The scheme builds tree-shaped network based on wireless mesh, sets gateway as converging point and optimizes networking, configures dependent path for data transmission, realizes street lamp data efficient and stable transmission, improves transmission efficiency, and guarantees the data transmission demand of intelligent management of city street lamp system.

Described herein are mesh network configuration algorithms in which a mesh network configures itself to minimize rebroadcasting. The disclosed embodiments provide a mechanism by which nodes in a network (e.g., a wireless mesh network) can enable / disable rebroadcasting themselves without explicit requests from a commissioning agent or network administrator. A network node receives rebroadcast activation queries from a plurality of network nodes, selects network nodes to activate for rebroadcasting, and sends a message to the activated nodes.

The invention provides an energy storage vehicle and medium-low voltage power supply vehicle cooperative power supply system and a control method, and the system consists of a power distribution network, a medium-voltage diesel generator power supply vehicle, an energy storage vehicle, and a low-voltage diesel generator power supply vehicle. The system mainly comprises a commercial power input end, a load output end, a grid-connected and off-grid switching cabinet, an energy storage converter, a lithium battery, an auxiliary power distribution cabinet and an energy storage vehicle controller. According to the invention, through a combined power protection operation mode taking the energy storage vehicle as a main part and the diesel generator power supply vehicle as an auxiliary part, different control strategies are designed according to voltage classes, rated power and distribution network transformer capacity of the energy storage vehicle and the diesel generator power supply vehicle and according to grid-connected capacity increasing and grid-connected and off-grid power supply scenes, the economic and environment-friendly characteristics of the energy storage vehicle are exerted, and meanwhile, the capacity limitation of the energy storage vehicle is solved; the vehicle utilization rate is improved, the power protection operation scene is expanded, and through wireless communication, the limitation of power grid power protection operation distribution network areas and operation site subareas is solved based on wireless grid-connected power distribution and start-stop control of 5G or an ad hoc network.

The invention relates to a wireless networking communication method and system for battery monitoring, and belongs to the technical field of battery monitoring and wireless communication. The method comprises the following steps: initializing a battery monitoring wireless communication node, selecting a wireless signal access point mode, configuring a network identifier and an encryption parameter in combination with a wireless networking state, and distributing a dynamic connection signal; selecting the node with the highest signal intensity as a father node to establish a wireless mesh network, and updating local network topology information after successful connection; monitoring a signal difference before and after connection according to a communication feedback loop, maintaining a connection state when the signal difference is within a safety range, and terminating weak signal connection through a signal priority selection method when the signal difference exceeds safety communication strength; and packaging a monitoring data packet in combination with an onion routing mechanism, de-packaging and forwarding the data layer by layer on each intermediate node, and transmitting the battery monitoring data of the child nodes to a battery monitoring management cloud.

The application discloses a wireless mesh network device configuration method and device, electronic equipment and medium. The wireless mesh network device configuration method comprises the following steps: when a first wireless network device is connected to a network and a network configuration instruction is detected, setting a device type as a master device according to the network configuration instruction, and sending a network configuration signal with a master device identifier; when a second wireless network device detects a network configuration instruction, performing signal scanning through the second wireless network device; and if the second wireless network device scans the master device identifier, setting a device type as a slave device. The application solves the technical problem that the device configuration process of the wireless mesh network device is complicated when networking.

This application provides a method, apparatus, electronic device, storage medium, and product for data retransmission. The method includes: receiving control information and service data sent by each wireless mesh network node, wherein each node is a neighbor node of a target node; detecting the service data of each node based on the control information of each node; generating Hybrid Automatic Repeat Request (HARQ) feedback information for each node, wherein the HARQ feedback information is ACK or NACK; and then the target node sends the HARQ feedback information of each node through the Physical Downlink Control Channel (PFSC), so that each node determines whether to retransmit the corresponding control information and service data based on the corresponding HARQ feedback information. This method reduces the feedback overhead caused by transmission via the PSFCH.

The application discloses a method, system, platform and storage medium for self-negotiating a master AP device based on a wireless mesh network. The method determines whether any AP device in the wireless mesh network obtains a first message sent by a master AP device. If yes, the any AP device is switched to a slave AP device. Otherwise, the next step is executed. Whether a WAN port is connected with an external network is detected. If yes, the next step is executed. Otherwise, the previous step is executed. A second message with a first network status is broadcasted. According to the broadcasting of the second message of other AP devices, the AP device is switched to a master AP device in real time. The first network status is network status data of the AP device itself. The system, platform and storage medium corresponding to the method are provided. In the mesh network, when more than two devices are connected with the external network, the mesh network automatically selects a device with better network status as the master AP device, without manual switching by the user, so that the manual operation of the user is reduced and the experience of the user is improved.