WO2023134357A1 - Procédé et appareil de positionnement pour module de l'internet des objets, et système et support de stockage - Google Patents

Procédé et appareil de positionnement pour module de l'internet des objets, et système et support de stockage Download PDF

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Publication number
WO2023134357A1
WO2023134357A1 PCT/CN2022/138271 CN2022138271W WO2023134357A1 WO 2023134357 A1 WO2023134357 A1 WO 2023134357A1 CN 2022138271 W CN2022138271 W CN 2022138271W WO 2023134357 A1 WO2023134357 A1 WO 2023134357A1
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bluetooth
internet
module
broadcast message
location information
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PCT/CN2022/138271
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English (en)
Chinese (zh)
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刘坤
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西安广和通无线软件有限公司
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Publication of WO2023134357A1 publication Critical patent/WO2023134357A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/318—Received signal strength
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/1851—Systems using a satellite or space-based relay
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management

Definitions

  • the present application relates to the field of positioning technology, in particular to a method, device, system and storage medium for positioning an Internet of Things module.
  • the GPS chip of the item to which this function is applied must be functioning normally, and the item is in an open and unobstructed area. Areas where the signal is weak, this will cause a large deviation between the GPS positioning result of the item and the actual location information, or even make it impossible to locate. That is to say, the device using GPS function will be greatly limited in function in areas with weak GPS signal.
  • the inventor found at least the following problems in the traditional technology: the positioning accuracy of the existing IoT module positioning method is poor.
  • a method, device, system and storage medium for positioning an Internet of Things module are provided.
  • the present application provides a method for locating an Internet of Things module, which is executed by an Internet of Things module in an electronic device, including:
  • the Bluetooth state is switched to the search state, and the Bluetooth broadcast message is periodically searched; the Bluetooth broadcast message includes the location information of another IoT module; the Bluetooth broadcast message is another IoT module. It is output when the strength of the satellite signal detected by the module is greater than the threshold;
  • the location information of another IoT module in the Bluetooth broadcast message is used as the location information of the main body.
  • an IoT module positioning device including:
  • the detection unit is used to detect the satellite signal strength and compare the satellite signal strength with a threshold
  • the search unit is used to switch the bluetooth state to the search state when the result of the comparison is that the strength of the satellite signal is less than the threshold, and periodically search for bluetooth broadcast messages;
  • the bluetooth broadcast messages include the location information of another internet of things module;
  • the bluetooth broadcast messages It is output when the strength of the satellite signal detected by another IoT module is greater than the threshold;
  • the positioning unit is configured to use the location information of another IoT module in the Bluetooth broadcast message as the location information of the main body when the Bluetooth broadcast message is found.
  • the present application also provides an Internet of Things module, which is used to execute the above-mentioned method for locating an Internet of Things module.
  • the present application also provides an IoT module positioning system, including: a server and one or more electronic devices; the electronic device includes the aforementioned IoT module; the IoT module is connected to the server;
  • the IoT module uploads the location information of the ontology to the server.
  • the present application also provides one or more computer-readable storage media, on which computer-readable instructions are stored, and the computer-readable instructions implement the steps of the above method when executed by one or more processors.
  • the present application further provides a computer program product, including computer readable instructions, which implement the steps of the above method when executed by one or more processors.
  • Fig. 1 is a first schematic flow chart of a method for locating an Internet of Things module in an embodiment
  • Fig. 2 is a second schematic flow diagram of a method for locating an Internet of Things module in an embodiment
  • Fig. 3 is a third schematic flow chart of an IoT module positioning method in an embodiment
  • Fig. 4 is a structural block diagram of an IoT module positioning device in an embodiment
  • Fig. 5 is a schematic structural diagram of an IoT module positioning system in an embodiment.
  • connection in the following embodiments should be understood as “electrical connection”, “communication connection” and the like in the case of the transmission of electrical signals or data between the connected objects.
  • a method for locating an Internet of Things module is provided, and the application of the method to an electronic device with an Internet of Things module is used as an example for illustration, including the following steps:
  • the Bluetooth state when the result of the comparison is that the strength of the satellite signal is less than the threshold, switch the Bluetooth state to the search state, and periodically search for the Bluetooth broadcast message; the Bluetooth broadcast message includes the location information of another IoT module; the Bluetooth broadcast message is another It is output when the strength of the satellite signal detected by the IoT module is greater than the threshold.
  • the Internet of Things module can support the satellite positioning function, which is used to realize the tracking of the position information of the main body.
  • the ontology refers to the Internet of Things module itself
  • the location information of the ontology refers to information on the location of the Internet of Things module itself.
  • the IoT module also supports Bluetooth function, which includes Bluetooth broadcast function and Bluetooth search function. The size of the threshold can be set according to the actual situation.
  • the IoT module detects the strength of the satellite signal in real time, and compares the strength of the satellite signal with the threshold. If the result of the comparison is that the strength of the satellite signal is less than the threshold, it indicates that the strength of the detected satellite signal is weak, and the currently detected position information may be inaccurate. Therefore, the IoT module switches the Bluetooth state to the search state, and periodically searches whether there is a Bluetooth broadcast message nearby.
  • the Bluetooth broadcast message is output when the strength of the satellite signal detected by other IoT modules is greater than the threshold.
  • the Bluetooth broadcast message includes location information detected by another IoT module.
  • the Internet of Things module searches for a Bluetooth broadcast message output by another Internet of Things module, it uses the location information of another Internet of Things module in the Bluetooth broadcast message as the location information of the main body.
  • the Bluetooth broadcast message is output by another IoT module when the intensity of the detected satellite signal is greater than a threshold.
  • the IoT module realizes repositioning by sharing the high-precision location information detected by other nearby IoT modules, thereby improving the accuracy of the positioning information of the body .
  • the electronic device with the Internet of Things module can also upload the positioning information of the main body to the server.
  • the electronic device can upload the high-precision location information of another IoT module searched through the Bluetooth function as the main body location information to the server.
  • the server can monitor the location of the electronic device in real time, and can find the electronic device at any time according to the location information uploaded by the Internet of Things module, which expands the application scenarios of the Internet of Things module.
  • the application detects the strength of the satellite signal, and switches the Bluetooth state to the search state when the strength of the satellite signal is lower than the threshold, and periodically searches for nearby Bluetooth broadcast messages.
  • the location information of another IoT module in the Bluetooth broadcast message is used as the location information of the main body.
  • this application can effectively improve the positioning of the body by using the obtained high-precision location information shared by other nearby IoT modules as the location information of the body when the satellite signal in the area where the body is located is weak or the body positioning system fails. precision.
  • the satellite signal is a GPS (Global Positioning System, Global Positioning System) signal; the data type of the location information is NMEA data; the search mode of the search state is BLE (Bluetooth Low Energy, Bluetooth Low Energy) search; The broadcast mode of broadcast state is BLE broadcast.
  • GPS Global Positioning System, Global Positioning System
  • the data type of the location information is NMEA data;
  • the search mode of the search state is BLE (Bluetooth Low Energy, Bluetooth Low Energy) search;
  • the broadcast mode of broadcast state is BLE broadcast.
  • the IoT module can use a GPS positioning chip, and the detected satellite signal is GPS information.
  • the GPS positioning data may be NMEA data, that is, the data type of the location information is NMEA data.
  • the IoT module supports the BLE function, and the power consumption of BLE is low. Adding the BLE function to the IoT module will not increase excessive power consumption.
  • the search mode is the BLE search mode, and the Internet of Things module performs periodic searches.
  • the broadcast mode is the BLE broadcast mode, and the IoT module broadcasts periodically.
  • the BLE broadcast and search functions of this application will not significantly increase the power consumption of the IoT module, and achieve more energy saving and controllable power consumption.
  • the positioning method of the Internet of Things module may also include: when the result of the comparison is that the satellite signal strength is greater than the threshold, switching the Bluetooth state to the broadcast state, and periodically performing the Bluetooth broadcast message including the current position information Broadcasting; the broadcasting power in the broadcasting state satisfies the power condition; the power condition is for the purpose of reducing the coverage of broadcasting.
  • the Internet of Things module detects that the strength of the satellite signal is greater than the threshold, it means that the satellite signal in the environment where the Internet of Things module is located is strong and the positioning information is accurate, so the Internet of Things module can switch the Bluetooth state to the broadcast state, which will include detection
  • the Bluetooth broadcast message of the current location information is periodically broadcast, and the detected high-precision location information is shared with other nearby IoT modules.
  • Other IoT modules that detect weak satellite signals in the vicinity can search for the Bluetooth broadcast message, thereby using the location information in the Bluetooth broadcast message as its location information, realizing high-precision location sharing between IoT modules, and effectively The positioning accuracy of each IoT module is improved.
  • the broadcast power of the Bluetooth state in the broadcast state can be adjusted to meet the power condition, and the power condition is aimed at reducing the coverage of the broadcast.
  • the coverage of the Bluetooth broadcast is reduced, so that the distance between the IoT module and other IoT modules that have searched for the Bluetooth broadcast message is reduced, that is, the high precision detected by the IoT module is reduced.
  • the actual position error between the location and other IoT modules that have searched for the Bluetooth broadcast message, so that other IoT modules that receive the Bluetooth broadcast message that includes the high-precision location information use the location information in the Bluetooth broadcast message as When using its location information, the location shared through Bluetooth location is closer to its actual location, thereby improving the location accuracy.
  • This application compares the strength of the detected satellite signal with the size relationship between the threshold, selectively switches the Bluetooth state to the search state or the broadcast state according to the comparison result, and periodically searches for the information output by another Internet of Things module that includes another Internet of Things module.
  • the Bluetooth broadcast message of the location information, or the periodic broadcast including the Bluetooth broadcast message of the detected current location information enables the sharing of high-precision location information among the IoT modules.
  • the GPS positioning chip of the IoT module fails or the positioning signal of the current environment is weak
  • the high-precision positioning information of other nearby IoT modules can be obtained as the ontology positioning information, which effectively improves the position accuracy.
  • the broadcast power of the IoT module of the present application satisfies the power condition aimed at reducing the broadcast coverage, which can further improve the location accuracy of the IoT module that uses the location information in the received Bluetooth broadcast message as its own location information.
  • the IoT module positioning method may also include the following steps:
  • the Internet of Things module can Adjust the search cycle according to the intensive use of IoT modules in the area where Ontology is located. Due to the mobility of devices equipped with IoT modules, in areas where IoT modules are used intensively, devices come and go frequently, that is, devices with IoT modules enter and leave the area more frequently, and the IoT modules search for each other's BLE The probability of broadcasting is relatively high. Therefore, when the Bluetooth state is switched to the search state, the IoT module can increase the search cycle.
  • the Bluetooth search cycle can be set to reduce.
  • the search cycle of the search state is adjusted according to the intensive use of the IoT module in the area.
  • the IoT modules in the area where Ontology is located are highly intensively used, increase the search cycle.
  • the search cycle is reduced, so that the application can further reduce the power consumption of the Internet of Things modules and achieve the effect of energy saving.
  • This application reasonably adjusts the Bluetooth search cycle according to the intensive use of the IoT module in the area where the main body is located, so as to further achieve the effects of reduced power consumption, controllable power consumption, and energy saving.
  • the IoT module positioning method may also include the following steps:
  • the Bluetooth broadcast message determines whether the number of relay broadcasts of the Bluetooth broadcast message reaches a preset number of times; the number of relay broadcasts is the number of times the Bluetooth broadcast message is forwarded by other IoT modules.
  • the preset number of times may be set according to actual conditions.
  • the Internet of Things module may also determine whether the number of relay broadcasts of the searched Bluetooth broadcast message reaches a preset number of times when the Bluetooth broadcast message is found. When the judgment result is that the number of relay broadcasts does not reach the preset number, the IoT module can switch the Bluetooth state to the broadcast state, and periodically broadcast the received Bluetooth broadcast messages.
  • the number of relay broadcasts is the number of times a Bluetooth broadcast message is forwarded by other IoT modules, that is, the number of relay broadcasts is the number of times a certain IoT module receives a Bluetooth broadcast message including the location information of another IoT module.
  • the A IoT module detects high-precision location information, it periodically broadcasts a Bluetooth broadcast message including the location information.
  • the B-IoT module receives the Bluetooth broadcast message, and the number of relay broadcasts of the Bluetooth broadcast message received by the B-IoT module is 0.
  • the B IoT module After receiving the Bluetooth broadcast message, the B IoT module uses the location information in the Bluetooth broadcast message as the body location information of the B IoT module, and continues to broadcast the Bluetooth broadcast message.
  • the C-IoT module searches for the Bluetooth broadcast message broadcast by the B-IoT module, the number of relay broadcasts of the Bluetooth broadcast message found by the C-IoT module is 1.
  • the C Internet of Things module uses the location information in the Bluetooth broadcast message as the body location information of the C Internet of Things module, and continues to broadcast the Bluetooth broadcast message.
  • the D IoT module searches for the Bluetooth broadcast message, the number of relay broadcasts of the Bluetooth broadcast message received by the D IoT module is 2, because the Bluetooth broadcast message has been forwarded by the B IoT module and the C IoT module .
  • the Bluetooth broadcast message output by a certain Internet of Things module is large, it means that the Bluetooth broadcast message has been forwarded by more Internet of Things modules. Since each IoT module has a certain broadcast range, in the case of a large number of relay broadcasts of the Bluetooth broadcast message, the IoT module receiving the Bluetooth broadcast message may be different from the IoT module that originally sent the Bluetooth broadcast message. The distance between the networking modules is relatively large. At this time, the location information in the Bluetooth broadcast message and the actual location of the IoT module that received the Bluetooth broadcast message may have a large error. When the location information in the message is used as the location information of the ontology, the location accuracy is low.
  • the Bluetooth state is no longer switched to the broadcast state, and the Bluetooth broadcast message is no longer broadcast, so that all Internet of Things that can receive the Bluetooth broadcast message
  • the module uses the location information in the Bluetooth broadcast message as the location information of the main body, the error with its actual location will not be too large, which effectively improves the location accuracy.
  • this application is based on the huge foundation of the current Internet of Things module and a certain degree of mobility, relying on the BLE search and broadcast mechanism, according to the strength of the detected satellite signal, automatically switch the way of Bluetooth search and broadcast status, to realize the Internet of Things
  • the positioning information is shared between networked modules, and the positioning accuracy is not greatly affected.
  • the GPS positioning error is reduced to a controllable range in a small range, effectively improving the location accuracy.
  • the application can also flexibly adjust the BLE search state cycle according to the intensive use of the IoT module in the area where the IoT module is located, effectively reducing the power consumption of the module, and achieving the effect of energy saving and power saving.
  • steps in the flow charts involved in the above embodiments are shown sequentially according to the arrows, these steps are not necessarily executed sequentially in the order indicated by the arrows. Unless otherwise specified herein, there is no strict order restriction on the execution of these steps, and these steps can be executed in other orders. Moreover, at least some of the steps in the flow charts involved in the above-mentioned embodiments may include multiple steps or stages, and these steps or stages are not necessarily executed at the same time, but may be performed at different times For execution, the execution order of these steps or stages is not necessarily performed sequentially, but may be executed in turn or alternately with other steps or at least a part of steps or stages in other steps.
  • an embodiment of the present application also provides an IoT module positioning device for implementing the above-mentioned IoT module positioning method.
  • the solution to the problem provided by this device is similar to the implementation described in the above method, so the specific limitations in one or more embodiments of the IoT module positioning device provided below can be referred to above for the positioning of the IoT module The limitation of the method will not be repeated here.
  • an IoT module positioning device which may include a detection unit 402, a search unit 404, and a positioning unit 406, wherein:
  • the detection unit 402 is configured to detect the satellite signal strength, and compare the satellite signal strength with a threshold.
  • the search unit 404 is used to switch the bluetooth state to the search state when the result of the comparison is that the strength of the satellite signal is less than the threshold, and periodically search for the bluetooth broadcast message; the bluetooth broadcast message includes the location information of another internet of things module; the bluetooth broadcast The message is output when the strength of the satellite signal detected by another IoT module is greater than the threshold.
  • the positioning unit 406 is configured to use the location information of another IoT module in the Bluetooth broadcast message as the location information of the body when the Bluetooth broadcast message is found.
  • the IoT module locating device may also include a judging unit and a first broadcasting unit, wherein:
  • the judging unit is used to judge whether the number of relay broadcasts of the Bluetooth broadcast message reaches a preset number of times when the Bluetooth broadcast message is found; the number of relay broadcasts is the number of times the Bluetooth broadcast message is forwarded by other IoT modules.
  • the first broadcast unit is configured to switch the Bluetooth state to the broadcast state and periodically broadcast Bluetooth broadcast messages when the judgment result is that the number of relay broadcasts has not reached the preset number of times.
  • the IoT module positioning device may also include a second broadcast unit, wherein:
  • the second broadcast unit is used to switch the bluetooth state to the broadcast state when the result of the comparison is that the satellite signal strength is greater than the threshold, and periodically broadcast the bluetooth broadcast message including the current position information; the broadcast power in the broadcast state satisfies Power condition; the power condition is for the purpose of reducing the coverage of the broadcast.
  • the IoT module positioning device may also include a confirmation unit and an adjustment unit, wherein:
  • the confirmation unit is used to confirm the area where the main body is located.
  • the adjustment unit is configured to adjust the search period of the search state according to the intensive use of the IoT module in the area where the ontology is located.
  • the satellite signal may be a GPS signal; the data type of the location information may be NMEA data; the search mode of the search state may be BLE search; the broadcast mode of the broadcast state may be BLE broadcast.
  • Each module in the above-mentioned Internet of Things module positioning device can be fully or partially realized by software, hardware and a combination thereof.
  • the above-mentioned modules can be embedded in or independent of one or more processors in the computer device in the form of hardware, and can also be stored in the memory of the computer device in the form of software, so that one or more processors can call and execute the above The operation corresponding to the module.
  • the division of modules in the embodiment of the present application is schematic and is a logical function division, and there may be another division manner in actual implementation.
  • an Internet of Things module for performing the above-mentioned method for locating an Internet of Things module.
  • the IoT module of the present application can realize low power consumption operation and provide high-precision position information.
  • a positioning system for an Internet of Things module may include: a server and one or more electronic devices; the electronic device includes the above-mentioned Internet of Things module; the Internet of Things module is connected to the server;
  • the IoT module uploads the location information of the ontology to the server.
  • the electronic device communicates with the server through the network.
  • the data storage system can store the data that the server needs to process.
  • the data storage system can be integrated on the server, or placed on the cloud or other network servers.
  • electronic terminals can be but not limited to various personal computers, laptops, smart phones, tablet computers, IoT devices and portable wearable devices, and IoT devices can be smart speakers, smart TVs, smart air conditioners, smart car devices, etc. .
  • Portable wearable devices can be smart watches, smart bracelets, head-mounted devices, and the like.
  • the server can be implemented by an independent server or a server cluster composed of multiple servers.
  • the electronic device detects GPS positioning information in real time, and uploads the positioning information to the server.
  • the electronic device detects that the GPS satellite signal is weak or the GPS chip is faulty, it switches the Bluetooth state to the search state, and periodically searches for the information broadcast by nearby electronic devices.
  • Bluetooth broadcast message when the Bluetooth broadcast message output by another electronic device is searched, the location information of another electronic device in the Bluetooth broadcast message is used as the location information of the body, and the location information is uploaded to the server, so that the server can monitor in real time Location information of electronic devices.
  • the electronic device is a shared bicycle
  • the shared bicycle A is parked in an area with weak GPS satellite signals, such as in an underground garage.
  • the server of the shared bicycle manufacturer intelligently receives the approximate location information of the shared bicycle, and communicates with The actual position deviates greatly, which brings great trouble to the factory staff to find the shared bicycle.
  • another shared bicycle happened to be riding past the door of the underground garage (the distance between the two vehicles is relatively close), and at the same time, shared bicycle B was just broadcasting its own location information during the period when the BLE broadcast was turned on.
  • Bluetooth broadcast message shared bicycle A is also constantly searching for Bluetooth broadcast messages. When shared bicycle B passes by the entrance of the underground garage, shared bicycle A receives the Bluetooth broadcast message broadcast by shared bicycle B.
  • Shared bicycle A uses the location information of shared bicycle B in the Bluetooth broadcast message as the location information of the main body, refreshes its own location information, and reports it to the device manufacturer's server. The staff of the equipment manufacturer can quickly find the shared bicycle A according to the high-precision location information reported by the shared bicycle A.
  • the electronic device in the IoT module positioning system of this application can obtain more accurate positioning information, and the server can also monitor the position of the electronic device in real time according to the high-precision position information uploaded by the electronic device, thus greatly expanding the scope of this application.
  • the usage scenario of the IoT module positioning system can be used.
  • one or more computer-readable storage media are provided, on which computer-readable instructions are stored, and when the computer-readable instructions are executed by one or more processors, the steps in the above-mentioned method embodiments are implemented. .
  • a computer program product including computer-readable instructions, and when the computer-readable instructions are executed by one or more processors, the steps in the foregoing method embodiments are implemented.
  • data involved in this application are all information and data authorized by the user or fully authorized by all parties.
  • the computer-readable instructions can be stored in a non-volatile computer
  • the computer-readable instructions may include the processes of the embodiments of the above-mentioned methods when executed.
  • any reference to storage, database or other media used in the various embodiments provided in the present application may include at least one of non-volatile and volatile storage.
  • Non-volatile memory can include read-only memory (Read-Only Memory, ROM), magnetic tape, floppy disk, flash memory, optical memory, high-density embedded non-volatile memory, resistive variable memory (ReRAM), magnetic variable memory (Magnetoresistive Random Access Memory, MRAM), Ferroelectric Random Access Memory (FRAM), Phase Change Memory (Phase Change Memory, PCM), graphene memory, etc.
  • the volatile memory may include random access memory (Random Access Memory, RAM) or external cache memory, etc.
  • RAM Random Access Memory
  • RAM Random Access Memory
  • RAM can take many forms, such as Static Random Access Memory (SRAM) or Dynamic Random Access Memory (DRAM).
  • the databases involved in the various embodiments provided in this application may include at least one of a relational database and a non-relational database.
  • the non-relational database may include a blockchain-based distributed database, etc., but is not limited thereto.
  • the one or more processors involved in the various embodiments provided by this application can be general-purpose processors, central processing units, graphics processors, digital signal processors, programmable logic devices, and data processing logic devices based on quantum computing Etc., not limited to this.

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Abstract

La présente demande concerne un procédé de positionnement pour un module de l'Internet des objets. Le procédé consiste : à mesurer l'intensité d'un signal satellite et à comparer l'intensité du signal satellite à une valeur seuil (S102) ; lorsqu'un résultat de comparaison montre que l'intensité du signal satellite est inférieure à la valeur seuil, à passer d'un état Bluetooth à un état de recherche pour rechercher périodiquement un message de diffusion Bluetooth, le message de diffusion Bluetooth comprenant des informations de localisation d'un autre module de l'Internet des objets, et le message de diffusion Bluetooth étant fourni en sortie lorsque l'intensité d'un signal satellite qui est mesurée par un autre module de l'Internet des objets est supérieure à la valeur seuil (S104) ; et lorsqu'un message de diffusion Bluetooth est trouvé, à prendre les informations de localisation d'un autre module de l'Internet des objets dans le message de diffusion Bluetooth en tant qu'informations de localisation du présent module de l'Internet des objets (S106).
PCT/CN2022/138271 2022-01-13 2022-12-12 Procédé et appareil de positionnement pour module de l'internet des objets, et système et support de stockage WO2023134357A1 (fr)

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