75 results about "Radio pack" patented technology

The invention discloses a method and device for realizing safe interaction and pairing authentication between Bluetooth devices, and belongs to the field of information safety. The method comprises the following steps: when a client searches a Bluetooth broadcast packet, establishing a connection between a Bluetooth device, and generating a random number and transmitting the random number to the Bluetooth device; generating a Hash value by the Bluetooth device according to the random number and transmitting the Hash value to the client; when the client judges that the received Hash value is right, then generating a pairing code and displaying the pairing code according to the Hash value, and transmitting a pairing request to the Bluetooth device; generating a pairing code by the Bluetooth device according to the conserved Hash value and prompting a user to perform a pairing code comparison; and when the Bluetooth device detects that a confirm key is pressed down, then the paring is successful. By adopting the technical method of the invention, in the pairing process, the user does not need to select the Bluetooth device manually, thus the operation is simple and a misoperation can be prevented, the accuracy is high, and a hardware operation and a human-computer interaction are added in the pairing authentication process, therefore, the interaction and pairing authentication between the Bluetooth devices can be realized and the safety of pairing can be improved.

The invention provides an ultralow-power consumption smart equipment rapid network accessing method and a smart home system. The method comprises steps that a to-be-accessed new smart device sends a broadcast packet; a mobile terminal selects a networking gateway to be connected with the to-be-accessed new smart device, when the broadcast packet is scanned, immediate connection is carried out and related network accessing information of the new device is obtained, and the mobile terminal sends a device adding command to a cloud server; the cloud server requests network opening to the networking gateway, when the verification is successful, the networking gateway actively opens the network and returns a unique network identifier ID to the cloud server; the new smart device performs identity verification; and if the verification is successful, the new smart device can access the network, otherwise, the new smart device cannot access the network. The advantages are that 1) the interference problem that multiple devices around access the network at the same time is solved, multiple new devices are allowed to access the network at the same time without mutual interference; 2) searching for the networking gateway is not required for accessing the network, so that the networking accessing is fast; and 3) the device achieves real-time online communication.

The invention discloses a Bluetooth connection method and device, a readable storage medium and mobile equipment, the method is applied to an intelligent terminal supporting a Bluetooth protocol, andthe method comprises the following steps: when an unconnectable low-power-consumption Bluetooth broadcast packet sent by Bluetooth equipment through low-power-consumption Bluetooth is scanned, analyzing the low-power-consumption Bluetooth broadcast packet; Judging whether the content contained in the low-power-consumption Bluetooth broadcast packet conforms to a preset matching rule or not and whether the distance between the intelligent terminal and the Bluetooth equipment is within a preset distance range or not; And if the content contained in the low-power-consumption Bluetooth broadcast packet conforms to a preset matching rule and the distance between the intelligent terminal and the Bluetooth device is within the preset distance range, sending a pairing connection request to the Bluetooth device so as to establish Bluetooth connection with the Bluetooth device. The Bluetooth pairing connection process can be simplified, and the use convenience is improved.

The invention relates to an intelligent door lock system based on the MAC address of a mobile phone and application thereof, and belongs to the technical field of entrance guard control. The system mainly comprises a WiFi module, a BLE module, a pyroelectric sensor, a power module, a driver module, a network module, a microcontroller and a door lock, wherein the door can be unlocked after a user registers user name and the MAC address of the mobile phone on a server. When the user carries the mobile phone to get close the door lock, the mobile phone can receive broadcast packets of the intelligent door lock system, an APP of the mobile phone terminal can analyze the messages of the broadcast packets and add the user name and the MAC address of the mobile phone, and then the messages are encrypted and broadcasted. After the broadcast packets are received by the intelligent door lock system, the broadcast packets are decrypted, then decrypted data are analyzed, and if the data accord with the requirement, the door lock is automatically opened.

The invention discloses a terminal equipment real-time connecting and disconnecting sensing method based on SDN. When a host computer is connected into the SDN, a broadcast packet is sent to a switch, the switch receives the broadcast packet and transmits the broadcast packet to a controller in the mode of packet-in events, the controller temporarily records position information of a source host computer after receiving the broadcast packet and initializes two host computer information tables, respectively, {IP: MAC, (DPID, PORT)}, and {(DPID, PORT): IP}; then, after the controller captures a DHCPACK information packet, the controller extracts IP address information and MAC address information in the DHCPACK information packet, combines the position information recorded temporarily in advance and records the host computer information onto the two main computer information tables; when the host computer is disconnected, the event of Port Status is triggered, the controller initially sends detection information to the position where the host computer is located, if the detection information is not responded within the required time, then the host computer is disconnected from the network, and corresponding items in the tables are deleted by the controller. The terminal equipment real-time connecting and disconnecting sensing method based on the SDN can sense disconnection of the host machine in real time, improves subsequent checking and use efficiency, and meanwhile overcomes the defect that host computer information tables need to be updated frequently in an existing controller.

Provided is a smart home control method and system based on the Bluetooth technology. The method comprises: first, setting at least three beacon devices in the area where a smart home is located, the beacon devices periodically sending broadcast packets; second, a portable Bluetooth device enabling Bluetooth to receive the broadcast packets, and calculating the position coordinate where the current portable Bluetooth device is located; third, the portable Bluetooth device converting an inputted control instruction into a wireless control instruction, and sending the wireless control instruction to a smart home control center device; fourth, the smart home control center device receiving the wireless control instruction, analyzing the wireless control instruction to obtain the position coordinate information of the portable Bluetooth device and the inputted control instruction, searching for a corresponding smart home device, and sending the inputted control instruction to the corresponding smart home device; and fifth, the smart home device receiving the inputted control instruction, and operating according to the inputted control instruction. The smart home control method and system provide convenience, comfortableness and science and technology cool feeling for users, and improve user experience.

The invention discloses a method for positioning mobile nodes in a wireless network, which comprises the following processes: a reference node periodically broadcasts broadcast packets of the reference node to the wireless network; the broadcast packets contain the information on the degree and position as well as the hop number of the reference node; the initial value of the hop number is 0; then a mobile node receiving the broadcast packets adds 1 for the hop number of the received broadcast packets and inserts an identification number (ID) and degree information thereof to the broadcast packets, then transfers to the broadcast packets; the mobile node desiring positioning finds out three reference nodes with the smallest hop number in the received broadcast packets and estimates the distance among the three reference nodes; the mobile node desiring positioning calculates the current position of the mobile node according to the calculated distance among the three reference nodes andthe position information of the reference position.

The invention discloses an equipment number distribution method of a digital radio frequency remote system and a system thereof. The method comprises the following steps: a main station sends an update equipment number broadcast packet to all slave stations; after receiving the update equipment number broadcast packet, the slave stations send a request distribution equipment number command packet to the main station; according to a present slave station information table, the main station distributes numbers of slave station equipment and sends a distribution equipment number broadcast packet to all slave stations; according to a destination station, the slave stations update an equipment number of a present slave station for a distribution equipment number broadcast packet of a present station. By employing the method and the system, by utilizing interactive communication broadcast packets of the main station and the slave stations, a problem that modifying a slave station equipment number is difficult in engineering maintenance is solved. Thus engineering personnel can directly execute an operation at the main station and switch to the slave stations, and operations of station opening, inspection, equipment restoration, configuration change report and the like are executed furthermore.

The invention discloses a portable device, a beacon and a navigation system which are used for realizing a portable indoor navigation device and system. The portable device provided by the invention comprises a positioning module and a processor module, wherein the positioning module is used for receiving a broadcast packet transmitted by the beacon and positioning the portable device by using thebroadcast packet and adopting an angle of arrival (AOA) or angle of departure (AOD) technology; and the processor module is used for sending a navigation instruction according to a positioning resultof the positioning module.

The invention relates to a position competition vehicle-mounted self-organizing network multi-hop broadcast method, and belongs to the technical field of communication. The method comprises the following steps: 1, dynamic clustering of connection stability which comprises the steps: carrying out the clustering of nodes, completing the clustering based on the connection stability, filling a broadcast data package and carrying out broadcasting, enabling the nodes to execute a broadcast forwarding method after receiving the broadcast data package, and achieving the competition forwarding of the broadcast data package; 2, multi-hop broadcast package transmission which comprises the steps: initiating a broadcasting process when an active node in a network needs to carry out data broadcasting of data of the whole network; 3, relay node competition forwarding which comprises the steps: employing different relay node competition forwarding strategies for different road models on the basis of network node clustering, wherein the relay node competition forwarding strategies mainly comprises relay node competition selection under a road segment model and relay node competition selection under a road intersection model. The method effectively reduces the redundancy of multi-hop broadcast and improves the reliability of broadcast. Meanwhile, the method adds a broadcast carrying forwarding strategy for a network isolated cluster head, and guarantees the broadcast reliability in a node sparse region or a network cavity region.

A wireless broadcast communication system includes a transmitter that provides broadcast services via a plurality of frames based on inband signaling, and a receiver that switches a sleep mode to an active mode and receives the target broadcast packets, according to the timing information. The receiver is repeatedly switched to the sleep mode according to the timing information. The system uses the scheduling information to detect broadcast packets via a plurality of frames, thereby enhancing the use efficiency of the scheduling information. Although the receiver fails to receive scheduling information via a particular frame, it can detect a position of a broadcast packet using the stored scheduling information.

The invention relates to a communication method and device. The communication method and device are used for realizing communication between two unfamiliar communication clients without Internet communication. The communication method includes that sending a broadcast packet through Bluetooth, wherein the broadcast packet comprises the identity information of a first communication client; acquiring communication information for communicating with the first communication client from a second communication client through Bluetooth after the second communication client receives the broadcast packet; finishing communication between the first communication client and the second communication client by the aid of the communication information. By means of the communication method and device, two unfamiliar communication clients can communicate with each other without Internet connection; and moreover, the Bluetooth communication can improve the locating precision, and meanwhile, the user information does not need to be sent to a server, and accordingly the privacy disclosure is avoided.

The invention discloses a wireless sensor routing method based on routing table node energy, and the method comprises the steps: calculating a node with the minimum energy use time on the way and the energy use time of the node in a processing of building a routing broadcast; reducing the transmission times in a given timing transmission mode, and enabling the node to have time in gathering the routing information of peripheral nodes; and carrying out the multiple transmission of a broadcast package, and building node-destination multipath information. The invention also proposes a method for calculating path priority according to the minimum energy use time and distance. The method gives full consideration to a hop number and the information of a node with the minimum residual energy use time in a path, finds out the optimal path, is more reasonable in routing selection, and prolongs the life cycle of the whole wireless sensor network.

The invention relates to the mobile payment field, and more specifically relates to a Bluetooth-based mobile payment method and system. The method includes the following steps: an intelligent mobile terminal requests a consumption voucher from a back-end supporting platform, and starts sound wave monitoring and Bluetooth functions; a POS terminal modulates a randomly-generated identification code into a sound wave with the corresponding frequency and sends the sound wave out; the intelligent mobile terminal receives the sound wave and identifies the identification code, and broadcasts a data packet formed by the identification code and the consumption voucher through Bluetooth; and when an identification code obtained by Bluetooth scanning is identical to the identification code emitted by the POS terminal through the sound save, the POS terminal analyzes and verifies the consumption voucher, and consumption is conducted and consumption records are stored after the consumption voucher is verified . A dual-verifying mode of both Bluetooth and sound waves helps to solve the problems that the wide range of Bluetooth signal broadcasting causes card-swiping by mistake and consumption vouchers may be stolen if broadcast data packets are stolen. In this way, transaction security is ensured, and the transaction speed is increased. The Bluetooth-based mobile payment method and system are applicable to subways, public transport ticket checking and other occasions.

The invention discloses a system and a method for pushing broadcast information of wireless networks on the basis of an iBeacon. The system comprises iBeacon equipment. The iBeacon equipment comprises an information transmitting module, and the information transmitting module is used for transmitting the broadcast information to a mobile terminal on the basis of iBeacon protocols; the broadcast information comprises a first broadcast packet and a second broadcast packet; the first broadcast packet comprises manufacturer identification information, first identification information and second identification information, and the manufacturer identification information is used for identifying a manufacturer of the iBeacon equipment; the first identification information and the second identification information are used for identifying the iBeacon equipment; the second broadcast packet comprises first identification information, second identification information and advertisement information; the advertisement information further comprises second broadcast packet ID (identification) information, and the second broadcast packet ID information is used for identifying a receiving module of the mobile terminal and providing basis for sorting and combining the second broadcast packet.

The invention provides a connection control method of an intelligent terminal and a Bluetooth device and a Bluetooth connection control system. The connection control method of the intelligent terminal and the Bluetooth device comprises the following steps of S100. activating a first Bluetooth device, and controlling the first Bluetooth device to be searched by the intelligent terminal and / or to search a second Bluetooth device; S200. sending out a Bluetooth packet broadcast packet by the first Bluetooth device; S300. when the first Bluetooth device is found by the intelligent terminal, building, by the intelligent terminal, a Bluetooth connection with the first Bluetooth device, and receiving the Bluetooth packet broadcast packet; S400. acquiring, by the intelligent terminal, a physical address of the first Bluetooth device and / or the second Bluetooth device; and S500. when the intelligent terminal searches and finds a paired broadcast packet of the second Bluetooth device with the physical address, building a Bluetooth connection with the second Bluetooth device. Through adoption of the method, after any Bluetooth device and the intelligent terminal are connected, other classified devices connected with the Bluetooth device is directly connected with the intelligent terminal, so that multiple repeated operations by the user are omitted.

The invention discloses a method, device and system for pairing a gateway and a terminal to solve a problem that the terminal and the gateway are required to be the same frequency band in a conventional pairing mode and a pairing error occurs because of frequency band overlapping when a plurality of terminals and the gateways are paired. The method comprises the following steps: the terminal is in an initial pairing state, receives and analyzes broadcasting packets successively in each frequency band at intervals of first set time length, determines the broadcasting packets carrying preset pairing codes, and establishes a pairing connection with a gateway selected from the gateways corresponding to the broadcasting packets carrying the pairing codes; the terminal is in a state for being paired with the gateway again, determines that historically paired gateway information is stored, receives and analyzes the broadcasting packets successively in each frequency band at intervals of third set time length, wherein the broadcasting packets carry the gateway information transmitting the broadcasting packets, determines a frequency band corresponding to the broadcasting packets paired with the historically paired gateway information, and establishes a paired connection with the gateway corresponding to the determined frequency band.

The invention provides a method for finding a device based on the Bluetooth technology. The method comprises the steps that a Bluetooth label is adjusted to be associated with a service data protocol; mobile devices in the signal coverage range can more conveniently read a Bluetooth label broadcast packet in a space according to the GPS position, a business number, a service number, a service data number, a service data detail obtaining mode, service data simple description, a standard transmitting power, a broadcasting period, a broadcasting time period and the like, so that service data contained in the Bluetooth label broadcast packet are analyzed, the wireless signal intensity is obtained, and further interaction is conducted according to read data and the Bluetooth label. The method can more conveniently and rapidly obtain service parameters, relative management is conducted, meanwhile, power consumption of the Bluetooth label can be effectively reduced, the service life is prolonged, and the device maintenance cost is reduced.

The embodiment of the invention discloses a method and a system for configuring a wireless network based on a sweeping robot, and relates to the technical field of intelligent household appliances, the method comprises the following steps: a user mobile terminal generates a two-dimensional code containing a wireless network name and a password; the floor sweeping robot is set as a network configuration mode, and the two-dimensional code generated on the user mobile terminal faces a camera in the floor sweeping robot; a camera in the sweeping robot scans the two-dimensional code and is connected to a corresponding wireless network according to the wireless network name and password contained in the analyzed two-dimensional code; the sweeping robot sends a broadcast packet in a local area network; the user mobile terminal receives the broadcast packet and sends confirmation information; and the sweeping robot receives confirmation information sent by the mobile terminal of the user. Theoperation process is simple, the generated two-dimensional code has accuracy and fault tolerance, a user does not need to switch the AP connected with the mobile phone, the sweeping robot does not need to switch the working mode of the WIFI module of the sweeping robot, and the network access efficiency of the sweeping robot is improved.

The embodiment of the invention discloses an application program starting method and device and a mobile terminal. The method comprises the following steps: broadcasting a broadcast packet containingidentification information of at least one Bluetooth device; under the condition that a response message fed back by the target Bluetooth device is received, establishing a Bluetooth communication connection with the target Bluetooth device, wherein the identification information of the target Bluetooth device is the same as the identification information of one Bluetooth device in the identification information of at least one Bluetooth device contained in the broadcast packet; and after the establishment of the Bluetooth communication connection is completed, starting a target application program associated with the target Bluetooth device in the mobile terminal. According to the application program starting method and device and the mobile terminal, the application program can be automatically started, user operation is reduced, and the user experience effect is improved.

The embodiment of the invention provides a method of transmitting data by means of bluetooth broadcasting. The method comprises: a data acquisition front end carries out data acquisition; the data acquisition front end places the collected data at a designated position of a bluetooth broadcasting packet; the data acquisition front end broadcasts the broadcasting packet by means of bluetooth broadcasting; and a data processing terminal receives the data sent by the acquisition front end and carries out data processing on the data. When data transmission is carried out according to the method, power consumption of the data acquisition front end can be reduced substantially under the circumstance that the transmission rate is extremely low and thus the working time of the data acquisition front end can be prolonged.

The invention relates to a WiFi automatic network distribution method and a WiFi device, and the method comprises the steps: in a WiFi monitoring mode, capturing a broadcast packet in a space and a data packet sent by at least one router, and enabling the broadcast packet to be sent after a WiFi password is coded by an intelligent device which is connected with a target router; analyzing a WiFi password of the target router according to the broadcast packet; extracting a WiFi name of the target router from the data packet according to the information in the broadcast packet; and automaticallyconnecting the target router according to the WiFi password and the WiFi name. According to the scheme, the WiFi password only needs to be sent to the WiFi equipment, and the WiFi name does not need to be sent, so that the sent data size is small, the complexity of a distribution network algorithm can be reduced, the success rate of WiFi distribution network is improved, and the WiFi distributionnetwork efficiency is improved. For a user, the WiFi network distribution can be completed only by inputting the WiFi password of the target router, the operation is simple, and the additional learning cost is not increased.

Disclosed is a method for auto setting security mechanism of WLAN. The method comprises a normal step, which enables a station and an access point to execute the communicating negotiation between them, and a security setting step, which is used to execute the security mechanism setting automatically. Moreover, the security setting step comprises a defining step, which defines a plurality of parameters of the access point and a connecting step, which enables the station to connect to the access point, the access point to broadcast the UDP packages periodically, and sets the WLAN security settings. After the security setting step, the stations and access points execute the normal step again. Another aspect of the present invention is an apparatus for auto setting security mechanism of WLAN.

The invention discloses a train device monitoring method and device based on Bluetooth. The method comprises the steps of obtaining Bluetooth broadcast packets sent by Bluetooth modules on train devices; resolving the Bluetooth broadcast packets, thereby obtaining identity information and operation state information of the train devices corresponding to the Bluetooth broadcast packets; obtaining external Bluetooth connection triggering signals and connecting the Bluetooth modules of the corresponding target train devices according to the Bluetooth connection triggering signals; and sending corresponding operation instructions to the target train devices through the Bluetooth modules of the corresponding target train devices, thereby controlling the target train devices to act, and receiving feedback information of the target train devices. The identities and operation states of a plurality of train devices can be checked rapidly by receiving the broadcast packets in a Bluetooth connection free mode, so the basic operation condition of the train devices can be known. When more information needs to be checked and the train devices need to be configured and debugged, Bluetooth connection with the train devices is carried out. The problem that the efficiency is low when the plurality of train devices are monitored at the same time is solved.

The invention relates to a method for communicating with a mobile phone with a low-cost GFSK chip. The method comprises the following steps: S1, GFSK chip-mobile phone receiving: a, a GFSK chip sendsout a first data packet, wherein the first data packet comprises a BLE broadcast packet, and the BLE broadcast packet comprises a preamble 1 Byte, access address 4 Byte, data PDU and CRC check 3 Byte;and b, the mobile phone Bluetooth receives the first data packet after scanning the BLE radio packet; S2, the mobile phone sending-GFSK chip receiving: a, the mobile phone sends out the second data packet which comprises a GFSK chip data packet, the GFSK chip data packet comprises the preamble 3 Byte, the access address 3-5 Byte, data Payload and CRC check 2 Byte; and b, the GFSK chip receives the second data packet. Through the method disclosed by the invention, the industry barrier problem caused by high-cost Bluetooth chip is solved, and the low-cost chip can realize the bidirectional communication with the mobile phone.

A device capable of operating according to a wireless communications protocol, the device being configured to: receive media data from one of a plurality of inputs; determine an offset period of time in dependence on which one of the plurality of inputs the media data is received from; determine a time for playing the received media data in dependence on the determined offset period and a clock value; encapsulate the media data and time data representing the determined time in a broadcast packet; and broadcast the packet in accordance with the wireless communications protocol.

The invention discloses method for carrying out broadcasting through network composed of resource pool in baseband and radio frequency unit in remote end. The method includes steps: (1) network unit to be broadcasted constructs data packet, and broadcasting symbol is filled to head of packet; (2) scanning network interfaces, the network unit sends broadcasting packets one by one to adjacent one hop network unit; (3) receiving the said broadcasting packet, network unit forwards the broadcasting packet to adjacent one hop network unit selectively; repeating step (3) till the broadcasting packet reaches to each terminal node in network; finishing broadcasting; transmission of broadcasting packet in network does not restrict by BBU and RRU network formation, number of connections, and specific frame format in link layer. Features are: flexible network configuration, easy management, not repeating forwarding broadcasting packet in any form of network, high efficiency.

The invention discloses an indoor positioning system and an indoor positioning method based on RSSI. The system comprises a terminal module, a to-be-tested node module, and a plurality of anchor node modules. The to-be-tested node module is arranged at a node to be tested, the to-be-tested node module comprises a to-be-tested node microprocessor and a Bluetooth slave unit connected therewith and a to-be-tested node power supply unit; the anchor node module comprises an anchor node microprocessor and a Bluetooth host unit connected therewith, an anchor node wireless communication unit and an anchor node power supply unit; the terminal module comprises a PC machine, a terminal wireless communication unit connected therewith, an input unit and a terminal power supply unit. The to-be-tested node module sends a broadcast packet to each anchor node module, the anchor node module analyzes the broadcast packet to acquire RSSI data, the RSSI data is sent to the terminal module after being filtered, and the terminal module determines the position of the node to be tested according to the RSSI data. According to the system and the method provided by the invention, the difficulties that the prior art is large in RSSI acquisition error, large in indoor positioning error and high in positioning cost.