60 results about "Bluetooth networks" patented technology

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 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.

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.

This invention proposes an intelligent human-computer interaction method and system for e-bikes based on Bluetooth Mesh networking. It belongs to the field of intelligent transportation and the Internet of Things (IoT) technology. The method includes: acquiring Bluetooth communication node information of various functional modules of the e-bike and the user's smart device; performing Mesh network topology analysis on the acquired Bluetooth communication node information to construct a Bluetooth Mesh network topology for the e-bike usage scenario; configuring and setting parameters for each node according to the constructed Bluetooth Mesh network topology to form a complete e-bike Bluetooth Mesh communication network; and connecting the functional modules of the e-bike and the user's smart device into an efficient and stable communication network through Bluetooth Mesh networking technology. This network has self-organizing capabilities and can automatically adjust the topology based on the addition or removal of nodes, ensuring communication stability and real-time performance, thereby significantly improving the overall system response speed and interaction efficiency.

A key update method, a network device, a system, and a storage medium, applied to a Bluetooth mesh network. The Bluetooth mesh network includes at least two mesh nodes. A configuration node is a mesh node in the Bluetooth mesh network, and the configuration node is configured to configure a network key of the Bluetooth mesh network. The configuration node determines a first mesh node from mesh nodes in the Bluetooth mesh network, where a network key locally maintained by the first mesh node is inconsistent with a current network key of the Bluetooth mesh network. Therefore, the configuration node encrypts the first network key by using a device key of the first mesh node, to obtain a first ciphertext, and sends a first message that carries the first ciphertext, so that the first mesh node obtains the first network key.

The invention relates to a photovoltaic power optimizer networking system and a communication control method, the system comprises a gateway device and a plurality of photovoltaic devices, Bluetooth mesh modules are arranged in the gateway device and the photovoltaic devices, the gateway device and the plurality of photovoltaic devices form a Bluetooth mesh network through the Bluetooth mesh modules, the Bluetooth mesh network comprises a plurality of concentric circle communication groups, and the concentric circle communication groups are connected with the gateway device and the plurality of photovoltaic devices. At least two pieces of photovoltaic equipment are arranged on each concentric circle communication group; the photovoltaic equipment comprises a photovoltaic module and a power optimizer connected with the photovoltaic module, a Bluetooth mesh module is arranged in the power optimizer, and the power optimizer is used for adjusting the output power of the photovoltaic module, obtaining state data of the photovoltaic module and sending the state data to the gateway equipment through a Bluetooth mesh network. According to the invention, the Bluetooth private mesh ad hoc network can be realized, the security and reliability are higher, the difficulty of equipment installation and configuration can be reduced, the difficulty of network distribution can be reduced, and the traffic cost of server connection can be reduced.

The application discloses a kind of intelligent running state management system and method of bluetooth MESH communication module, belong to communication technical field, to solve the problem that existing bluetooth MESH network management and control scheme cannot generate accurate whole network state snapshot, cause network topology research and judge distortion, load evaluation error and fault positioning failure, intelligent running state management method of bluetooth MESH communication module is based on whole network unified time reference, using native deterministic time division multiple access scheduling architecture to allocate microsecond level reporting time slot for bluetooth MESH module, through three-target collaborative optimization algorithm dynamically adjusts scheduling parameter, relies on snapshot aggregation model to generate the whole network state snapshot of same time node, finally realizes microsecond level synchronization, zero conflict report, achieves the uncompromising balance of low power consumption, synchronization accuracy and channel unobstructed, the present application can dynamically adapt network state adjustment time slot parameter, module wake-up strategy and channel allocation scheme, synchronously realizes three major goals of low power consumption, high synchronization accuracy and channel unobstructed.

The application discloses a civil aviation airport identification sign control method, device and equipment based on a low-power Bluetooth network and a medium, and relates to the civil aviation airport display field.The method comprises the following steps: if there is passenger retention, adjusting the identification sign of a target sub-terminal area according to the passenger retention condition and environmental information; if there is no passenger retention, obtaining flight information of the target sub-terminal area, and adjusting the identification sign of the target sub-terminal area according to the flight information and the environmental information; after the identification sign is adjusted, obtaining the running power of the identification sign after adjustment; and adjusting the identification sign of the target sub-terminal area according to the running power of the identification sign after adjustment, a power threshold of the airport terminal area and the personnel distribution of the airport terminal area.The application can flexibly adjust the display condition of the identification sign and reduce energy consumption.

The invention relates to equipment (1) for an assembly (2) comprising a motor vehicle, for example a motorcycle (10), and an associated helmet (20) intended to equip a user, the equipment (2) being characterized in that it comprises: a first control module (100) mounted on the motor vehicle, the first module (100) comprising a first control unit (110) configured to be connected to at least one set of data sources relating to the vehicle, preferably at least one set of lights (12, 13) of the vehicle; a second control module (200) mounted on the helmet (20), the second control module (200) comprising a second control unit (210) connected to at least one set of accessories of the helmet (20) at least part of which accessories reflect data from the vehicle data from the first module (100);and a mobile application module (300) configured to be integrated into a telecommunications device (30) and controlled by the user; and in that the second control module (200) is configured to be remotely and in parallel connected to the first control module (100) and the mobile application module (300), each by a predetermined communication network, such as a Bluetooth network; and the first control module (100) and the mobile application module (300) are configured to each connect to a common remote database (500) by one or more predetermined networks.

The invention discloses a deep ultraviolet LED energy-saving disinfection and detection system for motion trail prediction. The system comprises a motion sensor, a networking communication module, an intelligent dimming deep ultraviolet LED lamp, a beta-Ga2O3 / P2AMB pn junction deep ultraviolet photoelectric detector and a cloud server. The deep ultraviolet photoelectric detector realizes ultraviolet signal detection without an external power supply through a built-in electric field, and signals of the deep ultraviolet photoelectric detector and data of the motion sensor are transmitted to the cloud server through a Bluetooth Mesh network; and the cloud server fuses the ultraviolet event position and the moving object track prediction result, and dynamically adjusts the light emitting power of the deep ultraviolet LED lamp in the related area. When it is detected that the predicted moving object enters the deep ultraviolet sterilization area, the corresponding lamp is turned on, and when it is detected that the position height of the predicted moving object is decreased, the brightness is increased to second power, and other areas maintain low-power-consumption first power. The system is cooperatively controlled through multi-source signals, and is suitable for deep ultraviolet sterilization automatic processing assembly line scenes of food packaging materials, dairy products, fresh-cut fruits and vegetables and the like.

The invention provides a method for realizing public network talkback through a relay, which is applied to a talkback system formed by networking a talkback end, a relay end and a cloud end, and comprises the following steps: S1, pairing and connecting the talkback end and the relay end through Bluetooth; s2, starting a native Bluetooth network sharing function of an own operating system at the relay end, distributing a local area network IP address for the intercom end by the relay end, and setting the IP address of the relay end as a default gateway; s3, carrying out system-level authentication between the talkback end and the relay end through a Bluetooth protocol, and establishing an encrypted data transmission link between the talkback end and the relay end; s4, establishing connection between the talkback end and the cloud end, and completing identity authentication; and S5, transmitting voice data between the intercom end and the relay end through Bluetooth, and forwarding the voice data through the public network of the relay end to realize public network intercom. The talkback end does not need a public network connection module, the relay end does not need to be additionally provided with an APP, and the talkback requirements of low cost, low power consumption, miniaturization and high stability can be met.

The application discloses a communication path selection method based on a multi-Bluetooth network, which comprises the following steps: collecting spectrum data, adding time-space labels to the collected spectrum data to generate time-space interference data units, and calculating interference indexes; collecting historical data, identifying interference patterns and extracting interference features based on the collected historical data, and constructing an interference pattern feature table; predicting interference indexes by using a model through the interference pattern feature table, generating interference risk scores, and distributing channels by using the interference risk scores; optimizing path communication quality according to the predicted interference indexes, forming a time-space perception path table, collecting multi-source information such as motion data and spectrum data, combining historical data to mine interference pattern features, optimizing path selection and channel distribution by using the predicted interference indexes, and finally generating a dynamically updated time-space perception path table, so that a more stable, efficient and reliable communication path is provided for Bluetooth ad hoc networks, and the influence of interference on communication quality is reduced.

The invention belongs to the technical field of wireless communication, and particularly relates to a Bluetooth device OTA upgrading method, which comprises the following steps: acquiring chip model information of a to-be-upgraded Bluetooth device, matching a corresponding chip type in an OTA server, and pre-storing a mapping relationship between the chip model and an upgrading strategy by the OTA server; dynamically loading a corresponding upgrading plug-in from a plug-in library according to the chip type, dynamically compiling the original firmware and the plug-in to generate a staged upgrading package containing a security check code, and distributing the staged upgrading package to a relay node through a Bluetooth Mesh network; the upgrade package is analyzed at the relay node, a secure transmission channel is established through a private protocol adaptation module of the plug-in, and a data block is transmitted by adopting an AES-256 encryption algorithm; and on the basis of the data blocks, firmware difference data is calculated by using a difference algorithm, an incremental update package is generated, and terminal equipment upgrading is completed through a self-adaptive rate control algorithm. Therefore, the problems of data packet loss, imperfect verification mechanism, insufficient memory and the like in the prior art are solved.

This invention discloses a silo management method and system based on Bluetooth Mesh monitoring and control, relating to the field of Bluetooth Mesh network technology. The method includes acquiring silo site information; analyzing the silo site information to determine the silo site range, silo location, silo type, and travel route; constructing a network framework based on the silo site range, silo location, silo type, and travel route; determining the type and number of Bluetooth sensors and setting their locations based on the silo type; generating a Bluetooth information topology network based on the network framework and the number and locations of the Bluetooth sensors; and monitoring and controlling the silo based on the Bluetooth information topology network. This invention uses a Bluetooth information topology network to monitor and control the silo, reducing labor costs and preventing workers from climbing up and down stairs, which could cause injury.

The application relates to a network connection method and device, computer equipment, a storage medium and a computer program product. The method comprises the following steps: in response to a network configuration pattern code scanning operation, a Bluetooth network configuration page of a to-be-network-configured device is displayed; in response to a network configuration operation triggered on the Bluetooth network configuration page, a network selection page is displayed; when a target network is selected from candidate networks displayed on the network selection page, a Bluetooth data packet is generated based on network connection information of the target network; the Bluetooth data packet is broadcasted, so that the to-be-network-configured device is connected to the target network based on the network connection information when the Bluetooth data packet is received, and a network connection state is reported; and according to the network connection state, a network connection result of the to-be-network-configured device to the target network is displayed. By using the method, a small portable hardware device with small size and low energy consumption can be connected to a wireless network.

In accordance with an embodiment, a method includes receiving, on a first Bluetooth link between a first gateway and a first Bluetooth device, a first Bluetooth message sent by the first Bluetooth device; encapsulating, using a transport protocol adapted to a non-Bluetooth link between the first gateway and a second gateway, the first Bluetooth message to obtain a second Bluetooth message; and sending the second Bluetooth message to the second gateway on the non-Bluetooth link, wherein the second gateway decapsulates the second Bluetooth message using the transport protocol to obtain the first Bluetooth message, and sends the first Bluetooth message to a second Bluetooth device on a second Bluetooth link with the second Bluetooth device, wherein the non-Bluetooth link is a wireless local area network link or a wired link.

The application discloses a kind of intelligent gateway equipment interconnection methods of bluetooth ad hoc network protocol, the method includes: based on pre-constructed bluetoothMesh network, interconnect with multiple intelligent gateway;According to the motion state data and communication quality index of each node device in bluetoothMesh network periodically monitored at preset monitoring interval, identify topological shock event by preset cluster movement analysis mechanism;The preset cluster movement analysis mechanism is set to: determine dynamic risk node group based on the migration probability value of each node device, generate space situation feature vector, utilize the topological shock event prediction model of pre-training completion, output the identification result of topological shock event;Based on the identification result of topological shock event, trigger the pre-response operation to dynamic risk node group.Therefore, through the accurate prediction of topological shock event, the high reliability of network service is realized.