127 results about "Bluetooth networks" patented technology

The invention relates to the technical field of industrial Internet of Things and wireless sensor networks, in particular to a large-scale industrial fault diagnosis system and method based on Bluetooth MESH, and efficient monitoring and fault early warning of industrial equipment are realized through low-power-consumption sensor nodes, edge computing, a Bluetooth Mesh network and a clustered Mesh tree architecture. The system comprises a client, a server, a gateway, a cluster head and a cluster node, the cluster node comprises a sensor node and a relay node, a lightweight neural network model is built in the sensor node, and edge reasoning and fault detection can be realized locally. Stable communication and real-time cooperation of large-scale nodes are ensured through a decentralized architecture of Bluetooth Mesh, establishment of a dynamic cluster head chain and optimization of an RSSI threshold value. And a low-power-consumption mechanism combining event driving and fixed polling is adopted, so that the energy consumption of the system is remarkably reduced. In-cluster communication loads are reduced through a clustering architecture, and the communication efficiency and the anti-interference capability of the system are improved in combination with channel separation of Mesh and BLE protocols.

The invention relates to a method and device for configuring a Bluetooth Mesh network through Bluetooth broadcast. The method comprises the following steps: receiving Bluetooth distribution network broadcast information; according to a first matching result of the message label and the cache information, determining a processing state of the Bluetooth network distribution broadcast information by the equipment to be subjected to network distribution; if the first matching result shows that the broadcast information is not processed, determining a matching relationship between the to-be-distributed network equipment and the target to-be-distributed network equipment according to a second matching result of the target address information and the address information of the to-be-distributed network equipment; if the second matching result shows that the two are matched, accessing the to-be-distributed network equipment to the network based on the broadcast information; and if the second matching result shows that the two devices are not matched, updating the message forwarding mark to obtain the updated broadcast message and forwarding the updated broadcast message to the next device until the target device to be subjected to network configuration is obtained through matching within the dynamic message distance determined based on the message forwarding mark and is accessed to the network. By adopting the method, the network distribution efficiency can be improved, and the resource redundancy in the network distribution process can be reduced.

The invention relates to a path selection method and device, equipment, a router and a storage medium. The method comprises the following steps: acquiring basic information corresponding to a node which is newly accessed to a Bluetooth Mesh network, and updating a network topology structure according to the basic information corresponding to the node; state information corresponding to each node in the network topology structure is monitored; according to the state information corresponding to each node in the network topology structure, identifying a risk node in each node; and selecting a path for a currently transmitted data packet according to the risk node in the network topology structure, and transmitting the data packet to a target node corresponding to the data packet. In the process of routing the data packet, the change of each node in the network topology structure is monitored in real time, the risk node is identified according to the state information of each node, and the path of the data packet is dynamically adjusted according to the identified risk node, so that the risk node in the path is prevented from reducing the sending efficiency of the data packet.

The invention provides a main control equipment determining method and equipment of a low-power-consumption Bluetooth network and a medium, and relates to the technical field of low-power-consumption Bluetooth networks, the method is applied to communication equipment, and in the method, when new communication equipment joins or existing main control equipment exits, the main control equipment of the low-power-consumption Bluetooth network is determined. Obtaining a main control equipment determination score corresponding to the communication equipment based on the number of other communication equipment directly communicating with the communication equipment in the current low-power-consumption Bluetooth network, the electric quantity of the current communication equipment and the RSSI signal strength of the current communication equipment, and determining the main control equipment according to the main control equipment determination score corresponding to the communication equipment, according to the method, the number of other communication devices directly communicating with the communication device, the electric quantity of the communication device and the RSSI signal strength of the communication device are considered, so that the low-power-consumption Bluetooth network is always managed by the most appropriate communication device, and the overall performance and stability of the low-power-consumption Bluetooth network are improved.

Disclosed is an electronic device which includes wireless communication circuitry, a processor, and a memory. The memory stores one or more instructions that, when executed, cause the processor to establish a first communication link with a first external electronic device, to establish a second communication link with a second external electronic device, to transmit first communication link information for estimating a channel of the first communication link to the second external electronic device over the second communication link, to receive first data from the first external electronic device over the first communication link, and to transmit a first response message for the first data to the first external electronic device over the first communication link. The first response message includes a bit configured not to be processed by the first external electronic device, and the bit includes reception information about the first data of the electronic device.

The embodiment of the invention discloses a method, device and equipment for accessing a non-Bluetooth device to a Bluetooth Mesh network. In the embodiment of the invention, a first communication message sent by a non-Bluetooth device and a local communication address of the non-Bluetooth device are acquired, and the first communication message is a communication message of a non-Bluetooth Mesh protocol; the first communication message is converted into a second communication message, and the second communication message is a communication message of a Bluetooth Mesh protocol; a Bluetooth Mesh network communication address corresponding to a local communication address of the non-Bluetooth device is determined, and the local communication address and the Bluetooth Mesh network communication address have a preset corresponding relation; the second communication message is sent to a Bluetooth Mesh network, and the Bluetooth Mesh network communication address serves as the source address of the second communication message. By means of the method, under the conditions that the Internet is not needed and few memory resources are occupied, protocol format conversion is carried out in the bridging device, and the non-Bluetooth device is connected to the Bluetooth Mesh network.

A method for sharing a data network and an electronic device are provided. The method includes: converting a first data packet satisfied with a first protocol format and sent by a first virtual network card into the first data packet satisfied with a second protocol format based on a preset application-layer protocol; sending the first data packet satisfied with the second protocol format to a second terminal through a Bluetooth network, and receiving a second data packet satisfied with the second protocol format and returned by the second terminal; and converting the second data packet satisfied with the second protocol format into the second data packet satisfied with the first protocol format, and transmitting the second data packet satisfied with the first protocol format to the first virtual network card, based on the preset application-layer protocol.

The present disclosure provides a Bluetooth network communication method and apparatus, an electronic device, and a readable storage medium. The method comprises: monitoring broadcast information in a Bluetooth network, wherein the broadcast information is broadcast by routing devices and / or relay node devices in the Bluetooth network, wherein each routing device is configured to execute the communication between the Bluetooth network and an external network, and each relay node device is configured to execute the communication between a Bluetooth device and / or another relay node device and the routing device in the Bluetooth network; and on the basis of the broadcast information, selecting the routing device or the relay node device to establish a connection, wherein the relay node device and the Bluetooth device are respectively configured to be connected to at most one uplink device. By adding relay node devices to routing devices and Bluetooth devices, the requirement on Bluetooth network deployment is reduced. Moreover, only one data channel for executing the communication between each Bluetooth device and an external network is realized. Therefore, the problem of multi-path flooding data transmission is avoided, so that the network structure is simplified, and the data delay is reduced.

The invention provides a low-power-consumption Bluetooth communication optimization method and system based on multi-sensor application, and relates to the technical field of Bluetooth networks. According to the technical scheme provided by the invention, the node combination is constructed and the relay node is determined based on the information, so that intelligent division of the network topology is realized, and the data transmission efficiency is improved. An optimized end-to-end communication link is formed by determining a shortest first transmission path between a common node and a relay node and a second transmission path between the relay node and a central coordinator. According to the layered routing strategy, the hop count of data transmission is reduced, the network delay is reduced, and the number of nodes participating in data forwarding is remarkably reduced, so that the energy consumption of the whole system is effectively reduced.

The invention relates to a multi-scene illumination control method based on a Bluetooth mesh network. The multi-scene illumination control method comprises the following steps: S1, adding all lamps into the same Bluetooth mesh network through Bluetooth; s2, a unique address is allocated to each lamp in the Bluetooth mesh network; s3, broadcasting all message signals in the Bluetooth mesh network in the whole network; s4, creating a plurality of scene types through a scene interface of the mobile phone APP, including a basic scene, an on / off scene, a basic constant-light scene, a constant-light interaction scene, a constant-light rhythm scene, a non-constant-light rhythm scene, a sunrise and sunset rhythm scene, a non-constant-light sunrise and sunset rhythm scene, a time scene and an animation scene; s5, associating each lamp in the Bluetooth mesh network with one or more scene types in the step S4 according to requirements; and S6, setting a manual calling scene or an automatic calling scene to realize multi-scene illumination control of the associated lamps. According to the scheme, the beneficial effects of dynamic adjustment, convenience in use and good humanized experience effect are brought to the user.

The invention discloses a time sequence collaboration method and device and a storage medium, and the method comprises the steps: transmitting Bluetooth broadcast information, so as to enable a host to establish target connection between a slave and the host under the condition that the host obtains the Bluetooth broadcast information at a Bluetooth network window, and enabling the host to perform periodic switching between the Bluetooth network window and a wireless mobile network window; obtaining a target time-sharing setting parameter sent by the host through the target connection, wherein the time-sharing setting parameter represents time-sharing switching information of the wireless mobile network window and the Bluetooth network window; receiving Bluetooth state data sent by the host when the plurality of Bluetooth network windows are opened, and determining Bluetooth network time delay based on timestamps of receiving the plurality of Bluetooth state data; and when the Bluetooth network time delay meets a preset time delay condition, performing time-sharing parameter configuration based on the current timestamp, the historical timestamp of the last received Bluetooth state data and the time-sharing setting parameter. According to the method, automatic and accurate time sequence synchronization between the master and slave machines is realized, and the communication efficiency is improved.

The invention relates to the technical field of communication, and discloses a communication method and equipment for adjusting a message scanning window. According to the method, the starting time of a scanning window of each Bluetooth device in the Bluetooth mesh network is adjusted at the same moment. Therefore, the scanning windows of the nodes have coincident time periods, so that the probability that the Bluetooth devices are scanned at the same time is improved, meanwhile, the duration of each time of heartbeat message broadcasting of the Bluetooth devices is reduced, and the power consumption of the devices for broadcasting messages can be reduced while the probability that the heartbeat messages of the Bluetooth devices are scanned is reduced.

The invention provides a Bluetooth audio testing method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining an audio data stream played by to-be-tested equipment based on a Bluetooth network of the to-be-tested equipment; performing preprocessing and feature extraction on the audio data stream to obtain an audio feature set; inputting the audio feature set into a combined neural network model, wherein the combined neural network model is fused with a convolutional neural network and a long-short-term memory network; performing deep feature mining on the audio feature set through the convolutional neural network to generate an audio feature vector; and detecting the audio feature vector through a long short-term memory network to obtain a test result of the Bluetooth audio of the to-be-tested device. By applying the method disclosed by the invention, the Bluetooth audio of the to-be-tested equipment can be automatically tested, and the efficiency and the accuracy are relatively high.

The present invention provides a data communications network and a method of operating same to determine the location of a data communications device operably connected to the data communications network. The method includes receiving a request for positional location determination of a data communications device which is configured to operably connect with one or more low orbit satellite(s); one or more Wi-Fi and / or Bluetooth network(s), and / or one or more cell tower(s), and retrieving data from such data sources regarding the positional location of the data communications device. The retrieved data is merged to form a composite dataset, and the composite dataset is normalized and anomalies are removed to generate a processed dataset which is subsequently analysed to generate a positional location estimation of the data communications device.

The invention provides a Bluetooth Mesh network state sensing method suitable for a secondary safety measure system, and relates to the technical field of power distribution network safety measure auxiliary systems. The method comprises the following steps: collecting a plurality of first data and a plurality of second data in real time during system operation, calculating a first index of a corresponding neighbor node by using each first data, and calculating a second index of the corresponding neighbor node by using each second data; when a data forwarding demand instruction is received, for each neighbor node, obtaining a comprehensive score of the neighbor node by using the first index and the second index of the neighbor node; and determining all qualified neighbor nodes from all the neighbor nodes by using an adaptive multi-index fusion routing decision algorithm, selecting the highest comprehensive score from the comprehensive scores of all the qualified neighbor nodes, and taking the neighbor node corresponding to the highest comprehensive score as the optimal neighbor node of the target node during data forwarding. The data transmission efficiency can be improved, and stable operation of the system is guaranteed.

The invention discloses a call method and device, equipment and a storage medium, and belongs to the technical field of wireless communication. The method comprises the following steps: a first electronic device obtains a network state of a cellular network, wherein the network state is used for indicating whether the first electronic device accesses the cellular network and indicating the quality of the cellular network; and under the condition that the network state meets a first condition, communicating with second electronic equipment through a Bluetooth network. Through the method, the first electronic equipment and the second electronic equipment can realize communication through the Bluetooth network, so that the first electronic equipment can also realize communication with the second electronic equipment when the quality of the cellular network is poor or the first electronic equipment cannot access the cellular network.

The invention discloses a stock bin management method and system based on Bluetooth Mesh monitoring and control, and relates to the technical field of Bluetooth Mesh networks, and the method comprises the steps: obtaining the site information of a stock bin, analyzing the site information of the stock bin, and determining the range of the site of the stock bin, the setting site of the stock bin, the category of the stock bin and the advancing route; constructing a network framework according to a stock bin site range, stock bin setting sites, stock bin categories and advancing routes; determining the types and the number of Bluetooth sensors according to the types of the stock bins, setting the positions of the Bluetooth sensors, and generating a Bluetooth information topology network based on a network framework in combination with the number and the positions of the Bluetooth sensors; and the stock bin is monitored and controlled based on the Bluetooth information topology network. The Bluetooth information topology network is adopted to monitor and control the stock bin, labor force is reduced, and workers are prevented from climbing up and down to cause manual injury.

The present application relates to a production test method suitable for WIFI and Bluetooth devices, which configures a hotspot of a router, and the WIFI module and test fixture of the tested device are connected to the hotspot; the Bluetooth module and test fixture of the tested device are triggered by the hotspot, automatically enter the Bluetooth Mesh network and establish an adaptive network; the tested device and the test fixture achieve information synchronization in the Bluetooth Mesh network through point-to-point and many-to-many communication mechanisms; the WIFI module of the tested device sends a WIFI test command, and the Bluetooth module of the tested device sends a Bluetooth test command; after the test is completed, the test result is confirmed by a prompt signal, and the test process ends. It overcomes the problems of limited number of device connections and high operation complexity in traditional test methods, and provides a flexible and efficient solution for parallel testing of multiple devices in large-scale production.

The invention provides an ebike intelligent man-machine interaction method and an ebike intelligent man-machine interaction system based on Bluetooth Mesh networking. The method belongs to the technical field of intelligent transportation and Internet of Things. The method comprises the following steps: acquiring each functional module of an ebike and Bluetooth communication node information of intelligent equipment carried by a user; performing Mesh network topology structure analysis on the acquired Bluetooth communication node information, and constructing a Bluetooth Mesh network topology structure of an ebike use scene; according to the constructed Bluetooth Mesh network topology structure, performing network configuration and parameter setting on each node to form a complete ebike Bluetooth Mesh communication network; through a Bluetooth Mesh networking technology, an e-bike function module and intelligent equipment carried by a user are connected to form an efficient and stable communication network. The network has an ad-hoc network capability, a topological structure can be automatically adjusted according to increase and decrease of nodes, and the stability and the real-time performance of communication are ensured, so that the overall response speed and the interaction efficiency of the system are remarkably improved.

The present invention relates to the technical field of access gate control, and specifically, to a Bluetooth network access gate control system and method. It includes an acquisition and comparison unit, an enhancement and amplification unit, and a multi-hop transmission unit. In the present invention, the multi-hop transmission unit calculates the distance from the mobile access gate switch device to the electronic device based on the coordinate points of the mobile access gate switch device and the electronic device. The mobile access gate switch device sends a switch signal to the electronic device through the Bluetooth Mesh network according to the distance from the mobile access gate switch device to the electronic device, and then calculates the distance from the access gate to the electronic device based on the coordinate points of the electronic device and the access gate. The electronic device sends a switch signal to the access gate through the Bluetooth Mesh network according to the distance from the access gate to the electronic device. The access gate triggers the access gate switch operation when receiving the switch signal. Through distance calculation and the control mechanism of the Bluetooth Mesh network, the control efficiency and security of the access gate are greatly improved.

The present invention provides an elevator control method, device, electronic device and storage medium based on Bluetooth networking, comprising the following steps: obtaining Bluetooth modules in an elevator car, elevator call panels on each floor and an elevator control system to build a Bluetooth network; based on an intelligent load balancing mechanism, monitoring the communication load of each Bluetooth module in real time and dynamically adjusting the data transmission path according to the communication load of each Bluetooth module; obtaining user elevator riding information and analyzing and predicting user elevator riding habits based on a machine learning algorithm. The present invention realizes elevator control through Bluetooth networking, without the need for complex wiring, reducing costs and maintenance difficulties; users can conveniently input destination floor information through a mobile terminal, improving the convenience and intelligence level of use; in addition, measures such as the validity judgment of the input destination floor information, encrypted transmission of communication and optimized scheduling combining multiple factors enhance the safety, accuracy and efficiency of elevator control.

The application provides a networking method and device of an air conditioner and the air conditioner. The method comprises the following steps: based on a search machine networking instruction, an indoor unit receiving the search machine networking instruction is distributed as a main indoor unit, and the remaining indoor units are distributed as sub indoor units; based on the search machine networking instruction, a search machine on-demand instruction is generated, and the search machine on-demand instruction is broadcasted in a Bluetooth network range; based on the search machine on-demand instruction, search machine response information fed back by the sub indoor units is acquired, and a search machine result is generated and sent to a main outdoor unit according to the search machine response information. Through the form of Bluetooth broadcast, data transmission is performed between multiple indoor units, and wired communication is not required between the multiple indoor units, thereby solving the problem of complicated connection lines between indoor units of an existing air conditioner and difficult wiring, effectively reducing equipment maintenance cost and installation and wiring operation requirements, and greatly improving installation and after-sales processing response speed.

The application relates to a Bluetooth auxiliary network configuration method and device, computer equipment, a storage medium and a computer program product. The method comprises the following steps: after entering a Bluetooth network configuration mode, Bluetooth connection is established with a plurality of Internet of Things devices; a network search instruction is sent to each Internet of Things device through the Bluetooth connection to instruct each Internet of Things device to perform wireless network search respectively, and a corresponding wireless network list is obtained; the wireless network list sent by each Internet of Things device is received through the Bluetooth connection; the wireless network lists fed back by the plurality of Internet of Things devices are screened based on the wireless network lists, and a target wireless network is obtained; and the network information of the selected target wireless network is broadcast to the plurality of Internet of Things devices through the Bluetooth connection to instruct each Internet of Things device to perform wireless network connection according to the broadcast network information. The method can simplify the network configuration process of the plurality of Internet of Things devices simultaneously performing network configuration.

The invention relates to the technical field of communication, in particular to a firmware upgrading method, device and equipment based on Bluetooth Mesh and a computer readable storage medium. The method is applied to a Bluetooth Mesh gateway, the Bluetooth Mesh gateway and a plurality of Bluetooth devices form a Bluetooth Mesh network, and the method comprises the following steps: acquiring a firmware upgrade package for a target Bluetooth device in the Bluetooth Mesh network; determining a target forwarding path to the target Bluetooth device through the Bluetooth Mesh network; the target forwarding path comprises at least one other Bluetooth device, the forwarding table is maintained in any Bluetooth device, forwarding table entries corresponding to the determined forwarding path are recorded on the forwarding table, and information of a starting node and a target node of the corresponding path is recorded in the forwarding table entries; and sending a Mesh message by using Bluetooth extension broadcast to transmit a firmware upgrade package, so that any Bluetooth device continues to broadcast the Mesh message under the condition that the starting node and the target node recorded in the Mesh message are matched with the forwarding table item.

This application discloses a method and system for intelligent control of hotel rooms based on a TV's Bluetooth mesh network. The system is applied to a smart TV in a hotel room intelligent control system. The hotel room intelligent control system further includes a Bluetooth mesh network module and m smart devices, where m is a positive integer. The method includes: establishing a communication connection between the smart TV and the m smart devices through the Bluetooth mesh network module to form the hotel room intelligent control system, and initializing the hotel room intelligent control system; receiving user control commands through the smart TV and parsing the control commands to obtain control content; and controlling the smart devices among the m smart devices related to the control content to perform operations corresponding to the control content.

The invention discloses a tamper-resistant communication method for a door lock Bluetooth distribution network and a data interaction protocol. The core of the method is to design a set of Bluetooth communication protocol frames which are strict in structure and high in safety. The protocol frame comprises fields such as a message header, a total length, an encryption mark, a token, a message ID, a packet sequence number, a function ID, attribute content and a check code. Identity authentication and replay attack prevention are realized through a dynamic token, key service data are encrypted through an encryption mark and a symmetric encryption algorithm, and data integrity is guaranteed through a check code. And the receiver can execute the instruction only after verification, decryption and analysis. According to the method, the potential safety hazard that data hijacking, tampering and replay attacks are easily caused in traditional door lock Bluetooth communication is effectively solved, and the communication safety and reliability of the intelligent door lock in the network distribution, configuration and user management processes are remarkably improved.

The invention discloses a Bluetooth Mesh Internet of Things energy-saving lamp with a Bluetooth beacon positioning function, and relates to the technical field of Internet of Things, and the energy-saving lamp comprises a Bluetooth antenna, an induction module, a main control chip, a power supply driving module and an LED lamp strip. Meanwhile, the functions of scanning Bluetooth beacon signals and uploading beacon data through the Bluetooth Mesh network are achieved, then the positioning function of the Bluetooth beacons can be achieved through calculation of the background server, repeated construction and investment of a Bluetooth positioning base station and an energy-saving lamp are effectively avoided, and hardware cost is reduced.

The embodiment of the invention provides a network control method and electronic equipment. The method comprises the steps that it is detected that a first application runs in a foreground, and the first application comprises a time delay sensitive application and / or a speed measurement application; and in response to operation of the first application in the foreground, under the condition that the electronic equipment is in a first coexistence scene of a Bluetooth BT network and a wireless fidelity Wi-Fi network, reducing a code rate of the BT network and / or closing network scanning of the BT network. According to the network control method provided by the embodiment of the invention, in the process that the BT network and the Wi-Fi network work at the same time, the Wi-Fi network is prevented from being interrupted, the time delay of the Wi-Fi network is reduced, and the user experience of using the Wi-Fi network is improved.

The invention discloses a civil aviation airport identification label control method and device based on a low-power-consumption Bluetooth network, equipment and a medium, and the method comprises the steps: adjusting an identification label of a target waiting sub-region according to the passenger retention condition and environment information if there is passenger retention; if no passenger detention exists, flight information of the target waiting sub-area is obtained, and the identification label of the target waiting sub-area is adjusted according to the flight information and the environment information; after the identification label is adjusted, the operation power of the adjusted identification label is obtained; and according to the adjusted operation power of the identification label, the power threshold value of the airport waiting area and the personnel distribution of the airport waiting area, the identification label of the target waiting sub-area is adjusted. The invention belongs to the field of civil aviation airport display. According to the invention, the display condition of the signboard can be flexibly adjusted, and the energy loss is reduced.