103 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.

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.

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 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 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 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.

A plurality of techniques that can reduce the power consumed by a low power node in a Bluetooth Mesh network are disclosed. One technique allows the low power node to receive more than one queued message from a friend node in a single packet, thereby reducing the number of transmissions required of the low power node. Another technique allows the low power node to utilize link layer device filtering so that messages that are not of interest are not processed by the low power node. A third technique allows the low power node to readily determine whether potential friend nodes are available before initiating the friendship establishment procedure.

This application relates to a method and apparatus for configuring a Bluetooth Mesh network via Bluetooth broadcast. The method includes: receiving Bluetooth network configuration broadcast information; determining the processing status of the Bluetooth network configuration broadcast information by the device to be configured based on a first matching result of the message identifier and cached information; if the first matching result indicates that the broadcast information has not been processed, determining the matching relationship between the device to be configured and the target device to be configured based on a second matching result of the target address information and the address information of the device to be configured; if the second matching result indicates that the two devices match, then connecting the device to be configured to the network based on the broadcast information; if the second matching result indicates that the two devices do not match, updating the message forwarding flag to obtain the updated broadcast information and forwarding it to the next device, until the target device to be configured is matched and connected to the network within the dynamic message distance determined based on the message forwarding flag. This method can improve network configuration efficiency and reduce resource redundancy during the network configuration process.

The application is suitable for the technical field of intelligent terminal access configuration, and provides an AI intelligent hardware Bluetooth network configuration discovery and binding method, which comprises the following steps: obtaining device discovery evidence from at least two heterogeneous discovery channels, and performing standardization processing to generate a candidate device state object; constructing a device identity key set, and performing asymmetric fusion on the candidate devices from different discovery channels; in response to a selection operation of a user on the fused candidate devices, performing network configuration path selection; writing network configuration information to the target device in the selected network configuration path, and confirming whether networking is successful; after confirming that the target device is in a current network reachable state, converting the target device into a binding device state and performing persistent storage; and feeding back optimization according to the execution result. The method can reduce the probability of repeated identification, false positives, failures and unattainable binding of devices, and improve the stability of desktop intelligent device Bluetooth network configuration and binding.

Embodiments of the present application relate to a log sending method and device, computer equipment and a storage medium. The method comprises: when a target device detects a target instruction sent by a target terminal through near field communication, obtaining the current Bluetooth network configuration state of the target device; controlling the target device to release the Bluetooth hotspot according to the Bluetooth network configuration state; and when the target terminal is detected to connect the Bluetooth hotspot, sending the target log of the target device to the target terminal according to the target instruction. Thus, the Bluetooth hotspot can be controlled to release according to the Bluetooth network configuration state when the target terminal of near field communication is detected, so as to send the target log through the Bluetooth hotspot. The log does not need to be sent through a wired interface, and the device can directly send the log without being powered off when the Bluetooth of the device is in any network configuration state, thereby improving the efficiency and success rate of log sending.

This invention discloses a screen preview management and delayed printing terminal system and method for food delivery orders. After receiving food delivery order data from at least one order source, the terminal first caches the order data as a food delivery order task that can be displayed, searched, sorted, and manipulated on the screen in a task view or receipt preview view. Then, printing is triggered based on user operation, task status changes, task sorting results, packaging or labeling needs, reprinting needs, or preset conditions, rather than using the order receipt time as the sole trigger point for printing the paper receipt. The terminal can be a standalone screen device, a software application running on a mobile phone, tablet, or general-purpose computing device, or an integrated food delivery receipt printing device integrating a display screen and a printing module. The printing function can be implemented through an integrated printing module or by forwarding data to an external printer via Bluetooth, network, USB, serial port, or a printing port proxy. The terminal can also report the merchant's food preparation status to the order source using an order identifier or platform identifier when the food delivery order task is marked as packaged complete. The above solution changes the traditional "print as soon as an order arrives" method of online food delivery receipt printers to "screen preview management first, then print on demand", solving the problems of receipt accumulation, lost receipts, difficulty in finding receipts, messy packaging, and duplicate reprints during peak periods.

The application provides a low-power Bluetooth network optimization method, an electronic device and a storage medium, and relates to the technical field of network optimization. In the method, an initial network connection relationship graph is constructed according to an initial routing table corresponding to a low-power Bluetooth network, a minimum spanning tree corresponding to the initial network connection relationship graph is taken as a new initial network connection relationship graph, an intermediate routing table is generated according to the new initial network connection relationship graph, and the intermediate routing table is sent to all communication devices in the low-power Bluetooth network except the self, so that the communication devices receiving the intermediate routing table determine whether to disconnect the communication connection between the self and other communication devices according to the communication connection relationship recorded in the intermediate routing table, the optimization of the low-power Bluetooth network is realized, the network connection relationship and the routing strategy can be dynamically adjusted, unnecessary communication connections are reduced while the communication quality is maintained, resource consumption is reduced, and the working efficiency and stability of the low-power Bluetooth network are effectively improved.

The invention provides a physiological index data real-time monitoring method and system based on a Bluetooth network, and solves the problems of Bluetooth connection interruption and data loss caused by movement of a patient. The method is applied to a monitoring system comprising wearable medical equipment, a plurality of Bluetooth access points (APs), a central controller (AC) and a data processing server. The data processing server maintains an online equipment list and a connection state thereof; the plurality of APs continuously scan and converge and report the equipment information in the coverage area through the AC; when the server judges that a certain online device is in an unconnected state, a connection instruction is issued to the AC; and the AC intelligently selects and instructs an optimal AP to establish connection with the equipment according to the real-time signal strength and the load condition reported by each AP. Through an AP + AC intelligent scheduling architecture, Bluetooth seamless roaming is realized, real-time continuous uploading of physiological data is ensured, system deployment is simplified through centralized management, and medical care workload is reduced.