99 results about "LPWAN" patented technology

The invention discloses an ultra-low power consumption indoor and outdoor hybrid positioning system. The system comprises a plurality of iBeacon base stations which are arranged indoors and broadcast general unique identification codes through Bluetooth by preset signal intensities; a positioning node, wherein the positioning node is arranged on a moving object to be positioned, periodically monitors the plurality of general unique identification codes and the corresponding signal intensities around the positioning node through Bluetooth and outputs the monitored result by means of LoRa; a wireless gateway used for receiving the plurality of general unique identification codes and the signal intensity information and outputting the plurality of general unique identification codes and the signal intensity information through a mobile network; and a cloud platform used for receiving the plurality of general unique identification codes and the signal intensities and determining the latitude, longitude and indoor position of the moving object. According to the invention, by adopting the iBeacon technology based on Bluetooth indoors and adopting a GNSS positioning technology outdoors, precise positioning and seamless switching are realized, low power consumption and long distance transmission is realized by means of the LPWAN gateway, the positioning precision is high, the power consumption is low, the distance is long, and the system is suitable for large-scale popularization and application.

The invention relates to a multiprotocol intelligent gateway based on narrowband Internet of Things, and an implementation method thereof. The multiprotocol intelligent gateway based on narrowband Internet of Things includes a low power consumption unit and a high performance unit, wherein the low power consumption unit includes a low power consumption controller, a solar cell panel, a power management module for managing the power supply mode and the cell state information, an NB-IOT module for receiving the information from a cloud server, a LoRa module for acquiring the field LoRa node information in a local LPWAN, and a signal acquisition conditioning module; the low power consumption controller is communicated with the power management module, the NB-IOT module and the LoRa module bidirectionally; and the high performance unit includes a high performance controller, an RS485 interface module for connecting RS485 nodes, a man-machine interface module for connecting a computer serial port or a serial port liquid crystal screen, a GPS interface module, a data memory module and an ethernet interface module. The multiprotocol intelligent gateway based on narrowband Internet of Things utilizes the mode of coordination of the low power consumption unit and the high performance unit, thus effectively solving the coordination problem of low power consumption and high performance under a plurality of application scenes.

The invention discloses a base station switching method in a low-power indoor-outdoor positioning technology. The method comprises the following steps: deploying a low-power positioning node in an indoor environment, implementing low-power transmission of positioning information to a background monitoring system by a LPWAN (Low-Power Wide-Area Network) technology, finishing indoor positioning on the background, meanwhile performing outdoor positioning by a satellite navigation system, and returning longitude and latitude results output by the satellite navigation system to the background through the LPWAN to realize indoor-outdoor omni-directional positioning; and deploying a plurality of base stations, making a preset table for positioning nodes under the coverage of the base stations, recording base station information for communication connections to be selected by receiving ends at locations where the positioning nodes are positioned in the table, selecting whether to switch between base stations according to the power of a positioning tag radio-frequency signal or internally switching to an appropriate modulation way, and performing modulated transmission of signal data in order that positioning is more accurate.

The invention provides a multicast realization method for an LPWAN (Long Range Wide Area Network) Internet of things. The problems of multicast group management, multicast address and session key allocation and multicast route maintenance are solved. The method comprises LoRa terminals, a pluarity of LoRa base stations, a network server and a multicast application. The LoRa terminals are used forreceiving multicast information. The LoRa base stations are used for transmitting multicast frames to all LoRa terminals in the coverage range of the base stations. The network server is used for allocating multicast addresses and maintaining multicast group routes. The multicast application is used for establishing and maintaining a plurality of multicast groups. The method has the beneficial effects that through adoption of the method provided by the invention, multicast functions of LoRaWAN ClassB and ClassC terminals are realized, and the difficulty that batch terminals issue commands at the same time is solved.

The invention discloses a rule engine-based hybrid protocol Internet of Things platform. The overall architecture of the platform comprises an access layer, a persistence layer, a service layer and anapplication layer from bottom to top, wherein the access layer realizes hybrid protocol access by using an MQTT protocol and a low-power wide area network LPWAN protocol represented by a LoRaWAN protocol, the equipment accessed by the MQTT protocol and the LoRaWAN protocol uploads acquired equipment uplink data to an upper layer, receives downlink data transmitted by the upper layer and forwardsthe downlink data to the equipment; the application layer is mainly used for providing platform functions for users through hyper text transport protocol (HTTP) interfaces, and the functions include user management, product management, equipment management, rule engine configuration and online debugging. The invention provides the rule engine-based hybrid protocol Internet of Things platform, andaims to provide a solution capable of rapidly developing Internet of Things applications, reducing Internet of Things development cost and improving equipment management capability for small and medium-sized entrepreneurship enterprises.

The invention relates to the technical field of application of Internet of Things, and discloses an orderly bicycle parking management system and method based on an LPWAN. The method includes the following steps that 1, whether or not a user parks a bicycle on a ground surface where induction coils are laid according to standards is determined; if the user parks the bicycle on the ground surface where the induction coils are laid, a step 2 is executed, and if the user does not park the bicycle on the ground surface where the induction coils are laid, the bicycle cannot be locked; 2, a vehicle-mounted electronic recognizer is triggered to send a parking request through the low power consumption wide area network to a background server; 3, after determining that the parking request is reasonable, the background server sends a bicycle-locking permission signal to an intelligent lock or a user terminal or an electronic recognizer; 4, the intelligent lock automatically locks the bicycle or is the same as the user terminal and the electronic recognizer which remind the user of manually locking the bicycle, so that bicycle return is completed. By the adoption of the orderly bicycle parking management system and method based on the LPWAN, the bicycle management is standardized, orderly bicycle parking is achieved, and the accuracy of the electronic identifier, on the bicycle, recognizing an appointed parking area can reach 10-30 cm.

Methods, devices, and systems for tracking an asset are provided. In particular, a device is provided that includes an array of sensors and communications modules configured to detect tracking information, including environmental conditions and physical events, and report the tracking information along with a geographical location of the device to a control server across a wireless network. Upon receiving the tracking information, the control server interprets the information and generates tracking reports for the device configured to be displayed to a graphical user interface of a third-party communication device.

The invention provides a wireless networked type fire alarm system comprising an internet-of-things cloud platform, one or more controllers, one or more detectors, and one or more alarm devices. Eachcontroller is in wireless signal connection to at least one detector and / or one alarm device via an LPWAN. The detectors consist of wireless temperature detectors, wireless smoke detectors, wireless smoke-temperature composite detectors, and wireless manual alarm buttons. The alarm devices include wireless acousto-optic alarm devices. According to the invention, information including the temperature, smoke level and flammable gas concentration of the monitored area can be monitored; occurrence of a fire or explosion can be prevented timely; and a fire can be discovered timely and thus alarmingis carried out timely. On the basis of the extremely-low power consumption design, a low-power-consumption state is set in actual application and thus power consumption is reduced. The MCU module isused for realizing real-time low-power prediction and thus power is provided for the detectors and the alarm devices effectively.

The present invention discloses a LPWAN-based distribution status remote monitoring system and a method thereof. The distribution status remote monitoring system includes a power distribution transformer status monitoring apparatus distributed in the field, an LPWAN access base station, an LPWAN core network, and a power company monitoring main station. The present invention is based on Internet of Things sensing, status signal collection processing, and a principle of a remote communication technology. A plurality of sensors and monitoring terminals are mounted on the side of the monitored power distribution transformer. The sensor collects environment and operating status parameters of the distribution transformer in real time, and a built-in processor of the monitoring terminal analyzesthe status data in real time. When a threshold crossing alarm occurs, alarm information is reported to a power company monitoring center by using the low-power wide area network (LPWAN), to implementremote alarm, and remind an operation and maintenance personnel to go to the site in time to perform processing, so that intelligent and automatic operation and maintenance management of a power distribution device in the production field is implemented.

The invention discloses a new Internet of things gateway and a working method of the internet of things gateway. The new Internet of things gateway comprises an Internet of things gateway, a multi-channel RS485 module, a LPWAN wireless module, a BLE control module, an ENET control module and a 2G / 3G / 4G module which are connected with the Internet of Things gateway. The invention is convenient to construct through the LPWAN technology, has wide signal coverage, reduces the relay node and maximizes the low cost. The working method of the Internet of Things gateway defined by the invention reduces the uploading of the data amount from the practical angle, realizes real-time and remote monitoring, has large space for users to select, and has broad market prospect.

Various embodiments of the present invention disclose a method and a device for managing an operation mode of an electronic device which uses a low power wide area network (LPWAN). According to various embodiments of the present invention, the electronic device comprises: a communication circuit for providing wireless communication by means of LPWAN; a state detection circuit for monitoring the movement of the electronic device; a location measuring circuit for detecting the location of the electronic device; a processor electrically connected to the communication circuit, the state detection circuit and the location measuring circuit; a memory electrically connected to the processor and storing instructions enabling the processor to transmit, using the communication circuit, at least one message including the location; and a battery for supplying power to the communication circuit, the state detection circuit, the location measuring circuit, the processor and the memory, wherein the electronic device may be configured so as to operate in one state among a first state or a second state on the basis of the monitored movement, wherein, in the first state, the electronic device transmits the message in intervals of a first time, and maintains the processor in a low-power or sleep mode during all other times, and in the second state, the processor is in the low-power or sleep mode, and after the monitored movement exceeds a threshold value during a first selected duration, the processor wakes up and transmits the message. In addition, various embodiments are possible.

The invention discloses an LPWAN synchronous awakening mechanism based on LoRa. The LPWAN synchronous awakening mechanism comprises the steps that S1, a beacon frame is sent; S2, clock synchronizationis carried out; S3, a service equal-length time slot Tw is divided on the basis of a beacon frame sending interval; S4, service time slot synchronization is carried out, and awakening is performed atfixed time Tw to receive an awakening frame at the arrival of the delay time; S5, a sensing node is awakened at regular time to receive downlink data according to the beacon frame sending starting time and the service period interval; S6, the sensing node changes the synchronous time calibration period according to the RTC error calibration condition; and S7, the sensing node increases the Tg time in order to solve the sending conflict between the beacon frame and a downlink frame of the server. According to the invention, the clock tick of a gateway in the network is ensured to be consistentwith that of the sensing node, so that the gateway can predict the timing awakening windowing receiving moments of all sensing nodes; and on the premise of meeting the low-power-consumption design requirement, the clock tick can be divided and dynamically adjusted in order not to influence downlink transmission delay.

The embodiment of the invention discloses an electromagnetic interference adjusting method and a related product. The electronic device comprises a processor, a low-power wide area network (LPWAN) chip, a target communication chip, a radio frequency processing circuit, a change-over switch and a plurality of antennas, wherein the target communication chip is connected with the radio frequency processing circuit, the radio frequency processing circuit is connected with the plurality of antennas through the change-over switch, the processor is connected with the LPWAN chip and the target communication chip, and the target communication chip comprises a cellular Cell chip and a wireless high-fidelity Wi-Fi chip; the method comprises the steps that when the electronic equipment detects that an LPWAN chip and a target communication chip are started at the same time, the interference condition between the LPWAN chip and the target communication chip is detected, and antenna switching operation is executed according to the interference condition to reduce interference between the LPWAN chip and the target communication chip; electromagnetic interference among different communication can be avoided, the existing electromagnetic interference adjusting method is optimized, and the network communication quality can be improved.

The invention discloses a positioning method and device based on the Internet of Things, the method is suitable for an LPWAN, and at least one positioner is deployed in the LPWAN; the method is applied to a to-be-positioned resource provided with a positioning label. The method comprises the following steps: scanning a beacon message sent by a positioner, and obtaining an MAC address of the positioner and corresponding signal intensity according to the beacon message; determining the movement condition of the positioning label through a six-axis sensor; controlling the working mode of the positioning label according to the motion condition of the positioning label; and according to the current working mode, sending the positioning data containing the MAC address of the positioning tag, theMAC address of the positioner and the corresponding signal intensity to a LoRa base station, so that the LoRa base station returns the positioning data to a positioning server to position the to-be-positioned resource. According to the invention, the problems of high power consumption, low accuracy and inflexible deployment during resource positioning in the prior art can be solved.

The present invention disclosure is directed to a method, seismic sensor and system for wireless seismic networking. The system may comprise a low-power wide-area network (LPWAN) including wireless seismic sensors, the LPWAN being established for wireless transmission of data from the wireless seismic sensors.

The invention relates to the technology field of Internet of Things, and particularly discloses a network optimization method based on LTE (Long Term Evolution) wireless and ultra-low-power wide-areanetwork (LPWAN) Internet of Things wireless convergence. The method comprises the following steps of: introducing a token mode to simplify a complex protocol; adopting a hardware decoding mode to improve the speed of a network protocol conversion; using a caching mechanism to avoid data fragments in the LPWAN network to improve the schedulability; establishing a routing stress model for LPWAN multi-hop communication based on a traditional radio frequency model; regarding the communication route between a source node and all multicast nodes as a multicast tree, wherein the multicast tree with the smallest integrated routing pressure is the optimal path under the constraint condition; determining the optimal number of communication nodes; and establishing a set of access routing alternativepaths between the multicast source nodes and all multicast nodes. According to the inherent relationship between the LTE wireless and the ultra-low-power wide-area network (LPWAN) Internet of Things wireless system, the software / hardware method is used to improve the network convergence tightness, and a wireless network routing node pressure model is established, thereby optimizing the pressure ofrouting nodes, improving the response speed of an important data network, and significantly improving the working efficiency of a wireless network.

The invention discloses an LPWAN wireless multi-user access network structure and a control method thereof. According to the network, one wireless gateway and multiple wireless terminals form a star-shaped network topology structure; the multilevel distributed topology structure of the network is established based on the service priority, the wireless terminals in the LPWAN is divided into three levels according to the service priority, classified according to the service type, partitioned according to service association therebetween, and distributed with address codes respectively; the large-area terminals in the highest priority access the network by address 1-N polling in a query manner, and reliable access is ensured; and to reduce the polling period, the service terminal in the secondary priority access the network in a random competition way. The problem of channel congestion and conflict when a lot of terminals access the network randomly is solved, the real-up service report requirement of users in high priority is met, and reliable and ordered access between the gateway and thousands of IoT terminals can be realized.

The invention discloses Internet of things (IoT) equipment comprising at least one optical fiber distribution box, a mobile phone management platform and a background monitoring center, wherein the optical fiber distribution box and the mobile phone management platform are connected with the background monitoring center via a GPRS / GSM / LPWAN wireless communication mode; the optical fiber distribution box and the mobile phone management platform are connected via the GPRS / GSM / LPWAN wireless communication mode or a Bluetooth wireless communication mode; the optical fiber distribution box comprises a controller, a temperature and humidity sensor, a baroceptor, a vibration sensor, an electric quantity detection unit, a microswitch, an electronic door lock, a 2G / NB-LOT module and an IIC bus; and the optical fiber distribution box is connected with the temperature and humidity sensor, the baroceptor, the vibration sensor, the electric quantity detection unit, the microswitch, the 2G / NB-LOT module and the IIC bus. According to the mode of the equipment provided by the invention, the state of the optical fiber distribution box can be monitored at any time, staffs can open the optical fiber distribution box conveniently, and maintenance is facilitated.

The present invention relates to a communication interface (200) for supporting communication between a wireless device (101, 102, 103) and a server (121) over a low power wide area network, LPWAN, comprising: an untrusted execution part (201) configured to operate in accordance with an LPWAN communication protocol stack (203) including at least one secured LPWAN protocol using cryptographic primitives; a memory (205) for storing computer code (206) and at least one cryptographic key (207, 208, 209) in an encrypted form; a trusted execution part (202) incorporating a root secret (210) for decrypting the at least one cryptographic key (207 208, 209) from the memory (205), wherein the trusted execution part (202) is configured to execute the cryptographic primitives of the at least one secured LPWAN protocol using the decrypted cryptographic key and computer code (206) from the memory (205).

The embodiment of the invention discloses an access switching method and a related product, which are applied to electronic equipment, and the electronic equipment comprises a processor, a cellular communication module, an LPWAN communication module, a first radio frequency front end module, a second radio frequency front end module, a main antenna module and a diversity antenna module; the method comprises the following steps of obtaining a target object if the cellular communication module has a diversity demand, acquiring the current working frequency band of the cellular communication module; and determining a to-be-connected access corresponding to the diversity antenna module according to the working frequency band, and connecting the antenna in the diversity antenna module with the to-be-connected path, so that antenna switching is carried out according to the current working frequency band of the cellular communication module, and the cellular communication module and the LPWAN communication module share the antenna in the diversity antenna module.

The invention discloses an LPWAN (low-power wide area network)-based motion monitoring system and an LPWAN-based motion monitoring device. The system comprises a beacon, a monitoring terminal, a gateway, a server and a display terminal. Through signals sent by the beacon, the monitoring terminal is controlled in real time to detect / stop detection, so that the monitoring terminal is prevented from being in a working state in long time, power consumption is reduced, and durability is enhanced. The monitoring terminal detects motion information, so that motion trails do not need to be extracted from videos and calculated, the algorithm is simple and easy to realize, and information comprehensiveness is realized. Data transmission is realized through the gateway, power consumption is low, and application scenes are not limited by operators' networks. Positioning accuracy is improved through coordination between the gateway and the server, and position information can be acquired accurately in matches or trainings with high time delay requirements. The device comprises the monitoring terminal. The LPWAN-based motion monitoring system and the LPWAN-based motion monitoring device have the advantage that automatic control of a communication device, a sensing device and a GNSS (global navigation satellite system) system is realized through coordination between a master control chip and the beacon.

The invention discloses an antenna sharing method and related equipment. The method is applied to electronic equipment comprising a main antenna, a diversity antenna, a low-power wide area network (LPWAN) module and a cellular network module. An LPWAN function and a cellular network function of the electronic equipment are both in an open state, and the method comprises the steps of determining a first task used by a cellular network module for execution, and determining a second task used by the LPWAN module for execution; when the first task is a network searching task and the second task is an LPWAN task, determining first signal quality when the cellular network module works; and when the first signal quality is greater than or equal to the first preset signal quality, distributing the data flow associated with the first task to the main antenna for processing, and distributing the data flow associated with the second task to the diversity antenna for processing. By adopting the embodiment of the invention, the coexistence problem of LPWAN communication and cellular network communication can be solved.

The invention discloses a super high-rise construction process structure health intelligent monitoring system based on NB-IOT technology and edge computing. The system comprises a sensor system, a sink node, a mobile data acquisition base station and a central server. The NB-IOT technology and the edge algorithm in the low-power wide-area Internet of Things (LPWAN) are used for collecting, transmitting, analyzing and early warning structural health monitoring data in the super high-rise construction process, and the problems that in the monitoring process, line damage is caused in the construction process, and missing is caused due to too many super high-rise monitoring data are solved. The method comprises: performing data feature engineering processing by utilizing the original triaxialdata acquired by the sensor, and selecting the triaxial data subjected to data characterization processing to perform value operation; and outputting a pre-judgment result through edge calculation according to the obtained operation value, screening characteristic data, packaging and uploading the characteristic data to the central server, and combining an output result of the edge calculation with a processing finite element analysis result of the central server to complete real-time early warning of the structure and realize integral optimal judgment.

The invention belongs to the technical field of delivery lockers, and provides a delivery locker management system, a delivery locker and a delivery locker management method. The delivery locker comprises an input module, a local processing module, a low-power consumption wide area network (LPWAN) communication module and a lock control module. The delivery locker and a server are in communicationaccording to the preset time interval, and therefore the delivery lock can be in communication with the server periodically without being connected with the server for a long time, and the power consumption of the delivery locker is reduced. A delivery password or taking password sent by the server are locally stored, a delivery password input by a dispatcher or a taking password input by a taking user are compared with the locally stored delivery password or taking password, the server does not need to verify the passwords, and therefore the delivery locker does not need to keep connected with the server when password verification is carried out, and the power consumption of the delivery locker is further reduced.

The embodiment of the invention discloses a message transmission method and device, a terminal and a storage medium, and belongs to the technical field of communication. The method comprises: sendingan instant messaging message to a second terminal, wherein the instant messaging message is a message input in a first chat interface, and the first chat interface is an interface of an instant messaging application program operated by a first terminal and the second terminal; when the transmission mode switching condition is met, switching the first chat interface into a second chat interface; obtaining a first communication message input in the second chat interface; and sending the first communication message to a second terminal through connection with the second terminal, wherein the second terminal is used for displaying the first communication message in a second chat interface of the home terminal. In the embodiment of the invention, when the network state is poor, the terminals can be switched to use wireless protocol technologies such as Bluetooth, LoRa or LPWAN for message transmission, so that the problem that communication cannot be performed when the network state is pooris avoided.

A calling device for calling and communicating with a driver of a vehicle with a low power by using a Low Power Wide Area Network (LPWAN) such as a LoRa communication network and a calling method thereof are disclosed. The calling device according to the invention may be installed in a vehicle and transmit / receive data to / from a management server through the LPWAN. The calling device transmits a calling message to a driver terminal by recognizing a user's tapping, touching, etc., and when the driver confirms the calling message, display to the caller that the driver confirms the calling message. In addition, the calling device also allows the caller to call the driver directly by displaying the driver phone number if the driver does not confirm the calling message in time.

The invention discloses an LPWAN technology-based redundant data filtering method for a network communication management platform. The method comprises the steps of receiving a data package through aserver, wherein the data package comprises a low-byte first serial number forming a complete serial number of the data package, and a check code, and the check code is obtained by calculation of the complete serial number of the data package; and when the first serial number of the currently received data package is smaller than a first serial number of a previously received data package, if the check code of the currently received data package is different from a check code obtained according to node restarting calculation and a check code obtained according to high-byte calculation of the data package during node carry, filtering the currently received data package as a repeated data package sent by delay. Through the filtering method, whether the received data package is repeated or notcan be accurately judged, so that the repeated data package is filtered; and meanwhile, a new data package is not filtered mistakenly.

The invention discloses an intelligent beekeeping monitoring analysis management system based on the Internet of Things, and the system comprises a bee barrel; the bee barrel comprises a bee barrel body and an intelligent tray monitoring system, and the intelligent tray monitoring system comprises a power supply module, a memory, a temperature and humidity monitoring module, a weight monitoring module, a mode switching module, a display screen and a communication antenna. The intelligent tray monitoring system of the bee barrel, the LPWAN data concentrator, the LPWAN network server, the intelligent bee-keeping cloud platform server and the user terminal are in network interactive connection in sequence. The intelligent bee-keeping cloud platform server comprises a display module, a bee barrel data retention module, a bee barrel abnormality alarm module, a data analysis model processing module, a multi-dimensional analysis processing module and a user management module. The intelligenttray monitoring system monitors the internal environment of the bee barrel and uploads the internal environment of the bee barrel to the intelligent bee-keeping cloud platform server, communication interaction, early warning prompt, result display, multi-dimensional display and the like can be achieved, and scientific bee breeding and teaching research are facilitated.

The invention provides a cloud pipe end fusion road test implementation method for a LPWAN network, comprising: a road test terminal device T20, a road test terminal APP R20, an IWG LoRa gateway, an MSP server, and an NetChecker server, wherein the road test terminal device T20 is used for collecting GPS data, and sending the data through the Lora to receive the IWG LoRa gateway downlink data; thetest terminal APP R20 receives the data of the road test terminal device T20 through Bluetooth to display the signal quality in real time; the IWG LoRa gateway communicates with the road test terminal device T2 through LoRa for data interaction; the MSP server is used for communication with the IWG LoRa gateway; and the Netchecker server receives the uplink application data, processes and storesthe data into the data path, encapsulates the downlink application data and forwards the same to the MSP server. The invention overcomes the defect that the prior art cannot simultaneously test the uplink and downlink signal qualities.