WO2019037734A1 - Procédé de connexion à l'internet des objets, terminal et plate-forme de l'internet des objets - Google Patents

Procédé de connexion à l'internet des objets, terminal et plate-forme de l'internet des objets Download PDF

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Publication number
WO2019037734A1
WO2019037734A1 PCT/CN2018/101663 CN2018101663W WO2019037734A1 WO 2019037734 A1 WO2019037734 A1 WO 2019037734A1 CN 2018101663 W CN2018101663 W CN 2018101663W WO 2019037734 A1 WO2019037734 A1 WO 2019037734A1
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terminal
internet
connection
things platform
information
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PCT/CN2018/101663
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English (en)
Chinese (zh)
Inventor
张景瑞
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西安中兴新软件有限责任公司
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Publication of WO2019037734A1 publication Critical patent/WO2019037734A1/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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/19—Connection re-establishment

Definitions

  • Embodiments of the present disclosure relate to the field of Internet of Things, and in particular, to a method, a terminal, and an Internet of Things platform for connecting an Internet of Things.
  • the Internet of Things is an important part of the new generation of information technology, and an important stage of development in the "informatization" era.
  • the Internet of Things is the Internet of things that can extend and extend its client to any item and item for information exchange and communication.
  • Each terminal node in the IoT platform needs to be connected to the IoT platform in real time. Once the terminal is disconnected from the IoT platform due to poor network status and low battery power, the user cannot view the information of the disconnected terminal or perform the same. control. If the information of the terminal is important to the user, it will affect the user experience.
  • the IoT terminal loses data or restores the factory settings, although data backup and recovery can be performed from the IoT platform, this may result in traffic consumption and power consumption; and if the data recovery is slow or unrecoverable, it will also affect the user experience.
  • a method for connecting an Internet of Things comprising the steps of: after a terminal disconnects from an Internet of Things platform, searching for a target terminal that can access the Internet of Things platform; and if the target terminal is found, establishing with the target terminal Connecting, connecting to the Internet of Things platform through a network of the target terminal.
  • a terminal includes: a lookup module configured to: after the terminal is disconnected from the Internet of Things platform, find a target terminal that can access the IoT platform; and a connection module configured to find the target The terminal establishes a connection with the target terminal, and connects to the Internet of Things platform through a network of the target terminal.
  • a terminal includes: a memory, a processor, and a computer program stored on the memory and operable on the processor, wherein the processor executes the program to implement the following steps: after the terminal is disconnected from the Internet of Things platform And searching for a target terminal that can access the IoT platform; and if the target terminal is found, establishing a connection with the target terminal, and connecting to the Internet of Things platform through a network of the target terminal.
  • a method for connecting an Internet of Things comprising the steps of: an IoT platform polling a terminal status, viewing a terminal that has not transmitted the last message information at a specified time; finding a target terminal connectable with the terminal; and transmitting the location to the target terminal The terminal information and the recovery connection command information.
  • An Internet of Things platform comprising: a polling module configured to poll a terminal status, view a terminal that has not sent the last message information at a specified time; a search module configured to find a target terminal connectable with the terminal; and send And a module configured to send information of the terminal and resume connection command information to the target terminal.
  • An Internet of Things platform includes: a memory, a processor, and a computer program stored on the memory and executable on the processor, wherein the processor executes the program to implement the following steps: the Internet of Things platform polls the terminal status Viewing a terminal that has not transmitted the last message information at a specified time; finding a target terminal connectable with the terminal; and transmitting information of the terminal and restoring connection command information to the target terminal.
  • a method for connecting an Internet of Things comprising the steps of: after receiving the specified information, attempting to establish a connection with the designated terminal; and after establishing a connection with the designated terminal, accepting the terminal to establish with the Internet of Things platform through the network thereof Connecting, or forwarding information exchanged between the terminal and the Internet of Things platform.
  • a terminal comprising: a connection module configured to, after receiving the specified information, attempt to establish a connection with the designated terminal; and a processing module configured to: after establishing a connection with the designated terminal, accepting the terminal through the network thereof
  • the Internet of Things platform establishes a connection or forwards information exchanged between the terminal and the Internet of Things platform.
  • a terminal comprising: a memory, a processor, and a computer program stored on the memory and operable on the processor, wherein the processor executes the program to implement the following steps: after receiving the specified information, attempting and specifying The terminal establishes a connection; and after establishing a connection with the designated terminal, accepting the terminal to establish a connection with the Internet of Things platform through its own network, or forwarding information exchanged between the terminal and the Internet of Things platform.
  • FIG. 1 is a flow chart of a method of connecting an Internet of Things, in accordance with an embodiment of the present disclosure.
  • FIG. 2 is a flow chart of another method of connecting an Internet of Things, in accordance with an embodiment of the present disclosure.
  • FIG. 3 is a flow chart of yet another method of connecting an Internet of Things, in accordance with an embodiment of the present disclosure.
  • FIG. 4 is a schematic diagram of an IoT platform connected to an access terminal in accordance with an embodiment of the present disclosure.
  • FIG. 5 is a flowchart of a terminal transmitting a legacy message according to an embodiment of the present disclosure.
  • FIG. 6 is a flow diagram of establishing a connection between a terminal and a connectable terminal in accordance with an embodiment of the present disclosure.
  • FIG. 7 is a flowchart of a process after a terminal is disconnected from an IoT platform according to an embodiment of the present disclosure.
  • FIG. 8 is a flowchart of a process in which a normal in-network terminal D2 adds an abnormal terminal D1 to its own network according to an embodiment of the present disclosure.
  • FIG. 9 is a flow chart of a terminal performing data backup according to an embodiment of the present disclosure.
  • FIG. 10 is a block diagram of a terminal (anomaly) according to an embodiment of the present disclosure.
  • FIG. 11 is a block diagram of an Internet of Things platform in accordance with an embodiment of the present disclosure.
  • Figure 12 is a block diagram of a terminal (on the network) of an embodiment of the present disclosure.
  • FIG. 1 is a flow chart of a method of connecting an Internet of Things, in accordance with an embodiment of the present disclosure. As shown in Figure 1, the method includes the following steps 11-12. The method steps can be performed at a networked (abnormal) terminal.
  • the target terminal that can access the IoT platform is searched for.
  • step 12 if the target terminal is found, a connection is established with the target terminal, and the network of the target terminal is connected to the Internet of Things platform.
  • the short-range wireless communication function module for example, Zigbee
  • low-power communication modules such as Bluetooth
  • FIG. 2 is a flow chart of another method of connecting an Internet of Things, in accordance with an embodiment of the present disclosure. As shown in FIG. 2, the method includes the following steps 21-23. The method steps can be performed at the IoT platform.
  • the Internet of Things platform polls the terminal status to view terminals that have not sent the last message information for a specified time.
  • a target terminal connectable to the terminal is looked up.
  • the terminal information and the resume connection command information are transmitted to the target terminal.
  • FIG. 3 is a flow chart of yet another method of connecting an Internet of Things, in accordance with an embodiment of the present disclosure. As shown in FIG. 3, the method includes the following steps 31-32. The method steps can be performed at the terminal of the network.
  • step 31 after receiving the specified information, an attempt is made to establish a connection with the designated terminal.
  • step 32 after establishing a connection with the designated terminal, accepting the designated terminal to establish a connection with the Internet of Things platform through its own network, or forwarding information exchanged between the designated terminal and the Internet of Things platform.
  • the step of receiving the specified information comprises the steps of: receiving heartbeat information sent by the designated terminal, including a disconnected state from the Internet of Things platform, or receiving a resume connection command sent by the Internet of Things platform. information.
  • FIG. 4 is a schematic diagram of an IoT platform connected to an access terminal according to an embodiment of the present disclosure. As shown in FIG. 4, the IoT platform can access multiple terminal devices P1, P2, P3, .
  • FIG. 5 is a flowchart of a terminal transmitting a legacy message according to an embodiment of the present disclosure. As shown in FIG. 5, the process includes the following steps: 201-204.
  • terminal D1 accesses the IoT platform.
  • the IoT platform determines whether the terminal D1 is the first access, and if so, proceeds to step 203; if not, proceeds to step 204.
  • the IoT platform After the IoT terminal (for example, D1) accesses the IoT platform for the first time, the IoT platform records the terminal ID of D1.
  • the method for determining whether the terminal D1 is the first time to access the IoT platform is: if the terminal ID ID of the accessed terminal ID record recorded by the IoT platform does not include the terminal ID, it is determined to be the first access, otherwise it is not the first access.
  • the IoT platform records and stores the terminal ID in the accessed terminal ID list, records its IP address, establishes a message channel with it, and proceeds to step 204.
  • the terminal D1 starts to continuously send the last words information to the IoT platform at a fixed time interval, and the last words information includes: a terminal name, a terminal IP, a terminal location, a current time, a cell ID, and the like.
  • Each terminal in the IoT platform sends the legacy information to the IoT platform at regular intervals.
  • the IoT platform saves the last message information to the database based on the terminal ID.
  • T can be greater than 30 minutes.
  • FIG. 6 is a flowchart of establishing a connection between a terminal and a connectable terminal according to an embodiment of the present disclosure. As shown in FIG. 6, the flow includes the following steps: 301-304.
  • terminal D1 establishes a connection with the IoT platform.
  • the IoT platform searches for other terminals (which may be one terminal or multiple terminals) that are closest to the location of the terminal D1, and transmits information such as terminal name, terminal IP, terminal location, and the like to the terminal D1.
  • the IoT platform searches for the access terminal closest to the D1 (for example, the terminal D2) in all the terminals accessing the IoT platform according to the terminal location or the cell ID in the legacy information, and includes the terminal ID, the terminal name, and the terminal of the D2.
  • the terminal information such as the location is transmitted to the terminal D1, and the terminal D1 stores the terminal information of the terminal D2.
  • terminal D1 and terminal D2 attempt to establish a connection through their own short-range wireless communication functions, such as Zigbee, Bluetooth, or WiFi.
  • the terminal D1 transmits heartbeat information to the terminal D2 at a certain time interval.
  • Terminal D1 and terminal D2 open their ZigBee (Zibebe Protocol), Bluetooth or WiFi (Wireless Fidelity) functions, terminal D2 sets itself to the discovered mode, and terminal D1 attempts to establish a data connection with terminal D2. If a data connection can be established, the two terminals start to send heartbeat information at fixed time intervals, and the heartbeat information includes information such as the connection state with the IoT platform.
  • ZigBee ZigBee Protocol
  • WiFi Wireless Fidelity
  • the terminal D1 and the terminal D2 can also send their own configuration files or other information to the other party as a backup, and upload the backup status information to the IoT platform. If a terminal in the terminal D1 and the terminal D2 needs to be restored to the factory settings due to a failure, the IoT platform may be queried to the terminal that has established a heartbeat connection, and the backup data information is restored therefrom.
  • the terminal can open its own low-power device such as Zigbee or Bluetooth after detecting disconnection from the IoT, and set itself up.
  • the terminal with which the heartbeat is established can also turn on its own Zigbee or Bluetooth function to search for the disconnected terminal and attempt to establish a connection with it.
  • FIG. 7 is a flowchart of a process after a terminal is disconnected from an IoT platform according to an embodiment of the present disclosure. As shown in FIG. 7, the process includes the following steps: 401-486.
  • terminal D1 is disconnected from the IoT platform.
  • the terminal D1 determines whether there is a terminal D2 that has established a heartbeat connection with the terminal D1, and if yes, proceeds to step 403; if not, proceeds to step 406.
  • the terminal D1 sets the IoT platform connection state in the heartbeat information to off when the heartbeat information is transmitted next time.
  • the terminal D2 After receiving the heartbeat information disconnected from the IoT platform, the terminal D2 establishes a connection with the terminal D1 via Bluetooth, WiFi, or the like.
  • the disconnected terminal D1 accesses the IoT platform through the network of the terminal D2.
  • terminal D1 looks up the connectable in-network terminal.
  • Terminal D1 calculates the time difference between the time of disconnection and the last time the last message was sent to the IoT platform, and records it as t. If t>T, that is, the time difference is greater than the last sentence transmission interval T, the terminal D1 opens the Zigbee, Bluetooth or WiFi function of the terminal D1 at a certain time interval T1, and sets it as a networkable or discoverable state, and the state is Hold for a period of time T2, where T1 is greater than T2.
  • the Zigbee, Bluetooth or WiFi function is turned off, and the Zigbee, Bluetooth or WiFi function is turned on after waiting for the time T1 and the self is set to be discoverable.
  • FIG. 8 is a flowchart of a process in which a normal in-network terminal D2 adds an abnormal terminal D1 to its own network according to an embodiment of the present disclosure. As shown in FIG. 8, the flow includes the following steps: 501-507.
  • the IoT platform polls the status of each terminal.
  • the IoT platform checks to see if there is a terminal timeout that has not sent the last message.
  • a terminal that has not sent the last message information, such as terminal D1, is found.
  • the IoT platform determines whether a terminal is disconnected according to the time interval T reported by the terminal. For example, after the last report of the last message from a terminal has passed the interval T time, the IoT platform does not receive the new testimony sent by the terminal, and the IoT platform can determine that the terminal is abnormally disconnected and set its state to an abnormal state. .
  • the abnormally disconnected terminal is recorded as D1.
  • the in-network terminal D2 that appeared before D1 and is closest to the distance D1 is found.
  • the IoT transmits information such as the ID, name, IP, location, and the like of the terminal D1 to the terminal D2, and transmits a resume connection command for the terminal D1.
  • the IoT platform queries the location information in all the access terminal information that it saves, and searches for a mobile access terminal (referred to as D2) that is located in the vicinity of the terminal D1 and is closest to the terminal D1.
  • the IoT platform will be the terminal D1.
  • the terminal information including the terminal ID, the terminal name, the terminal location, and the like is transmitted to the terminal D2, and the restoration connection command for the terminal D1 is transmitted to the terminal D2, and the terminal D2 searches for the terminal D1 and attempts to restore the networking of the terminal D1.
  • terminal D2 continuously checks its own location information to determine if it has reached the vicinity of terminal D1, i.e., determines if D2 is already within the D1 connectable range.
  • the terminal D2 determines that the Zigbee or Bluetooth function of the terminal D2 is turned on after determining that the terminal D1 has arrived in the vicinity of the terminal D1, and searches for the surrounding device according to the name of the terminal D1. At this time, if the Zigbee or Bluetooth of the terminal D1 is in a networkable or discoverable state, the terminal D2 can find the terminal D1, and add the terminal D1 to the network of the terminal D2, and establish a connection with the IoT platform through the terminal D2.
  • a backup query request can be sent to the IoT platform for backup.
  • FIG. 9 is a flowchart of performing data backup by a terminal according to an embodiment of the present disclosure. As shown in FIG. 9, the flow includes the following steps: 601-605.
  • the terminal loses data due to a failure, or needs to recover data after restoring the factory settings.
  • the terminal sends a backup query request to the IoT platform to query whether a neighboring device has its own backup file.
  • the terminal receives a backup response message returned by the IoT platform. According to the backup response message, if a neighboring device saves its own backup file, go to step 604.
  • the terminal turns on Bluetooth, Zigbee, etc., and sets itself to a discoverable state, and sends a backup request to the terminal that holds its own backup file.
  • the terminal that saves its own backup file starts its own Zigbee or Bluetooth, searches for the terminal and attempts to establish a connection with it, and after the connection is established successfully, the backup file can be sent to the terminal.
  • the terminal can recover its own data information through data backup of other terminals.
  • the above method is not limited to establishing heartbeat and backup data only with one of the adjacent terminals, and can also perform heartbeat connection and data backup simultaneously with multiple surrounding terminals to increase the probability of recovery.
  • the short-range wireless communication function can be used to restore the connection.
  • the IoT terminal can back up data with the adjacent terminal.
  • the IoT platform can be queried to the terminal with which the heartbeat has been established, and the backup data information is restored therefrom.
  • the door magnetic, temperature and humidity sensors can be connected to the IoT platform via WiFi. If the WiFi hotspot is broken or the network is abnormal, the magnetic door, temperature and humidity sensor can continue to access the IoT platform through the user's mobile phone. in.
  • Embodiments of the present disclosure relate to an Internet of Things platform, an abnormal terminal, and an in-network terminal.
  • the following describes the Internet of Things platform, an abnormal terminal, and an in-network terminal.
  • FIG. 10 is a block diagram of a terminal (anomaly) according to an embodiment of the present disclosure. As shown in FIG. 10, the terminal includes: a lookup module and a connection module.
  • the searching module is configured to find a target terminal that can access the IoT platform after the terminal is disconnected from the Internet of Things platform.
  • the connection module is configured to establish a connection with the target terminal if the target terminal is found, and connect to the Internet of Things platform through a network of the target terminal.
  • a terminal may use a short-range wireless communication function (for example, a low-power communication module such as Zigbee or Bluetooth) if the terminal has a normal intra-network IoT terminal due to network abnormality, traffic exhaustion, or the like. ) to restore its connection to the IoT platform.
  • a short-range wireless communication function for example, a low-power communication module such as Zigbee or Bluetooth
  • the lookup module is configured to find a target terminal accessible to the Internet of Things platform by querying whether a connection has been established with the terminal before disconnecting from the IoT platform The terminal, if yes, determining that the terminal that has established a connection with the terminal is a target terminal that can access the Internet of Things platform, and if not, turns on the short-range wireless communication function every first specified time And setting the terminal to a discoverable state, and maintaining the discoverable state for a second specified time, where the first specified time is greater than the second specified time.
  • the terminal further includes: a sending module, configured to periodically send the last word information to the Internet of Things platform before disconnecting from the Internet of Things platform, where the last word information includes at least one of the following items Item: terminal name, terminal IP, terminal location, current time, and cell identity.
  • the terminal further includes: a receiving module configured to receive information of one or more connectable terminals sent by the Internet of Things platform; and the sending module is further configured to be connected to the connectable terminal After the connection is established, heartbeat information is periodically sent to the connectable terminal, and the heartbeat information includes connection state information with the Internet of Things platform.
  • the terminal further includes: a backup module, configured to send a specified file to the connectable terminal for backup after establishing a connection with the connectable terminal, or receive the sent by the connectable terminal The file is backed up and the backup status is uploaded to the IoT platform.
  • a backup module configured to send a specified file to the connectable terminal for backup after establishing a connection with the connectable terminal, or receive the sent by the connectable terminal The file is backed up and the backup status is uploaded to the IoT platform.
  • the backup module is further configured to send a query backup request to the Internet of Things platform, and after receiving the backup backup response returned by the Internet of Things platform, establish a connection with the connectable terminal.
  • the connectable terminal acquires a backup file.
  • An embodiment of the present disclosure further provides a terminal, including: a memory, a processor, and a computer program stored on the memory and executable on the processor, wherein the processor executes the program to implement the following steps: After the platform is disconnected, searching for a target terminal that can access the IoT platform; and if the target terminal is found, establishing a connection with the target terminal, performing a network with the target terminal and the Internet of Things platform connection.
  • the Internet of Things platform includes a polling module, a lookup module, and a sending module.
  • the polling module is configured to poll the terminal status to view terminals that have not sent the last message information for a specified time.
  • the lookup module is configured to look up a target terminal connectable to the terminal.
  • the sending module is configured to send information of the terminal and resume connection command information to the target terminal.
  • the Internet of Things platform further includes: a receiving module, configured to periodically receive the last message sent by the terminal before viewing the terminal that has not sent the last message information at a specified time, where the last message information includes the following At least one of the items: terminal name, terminal IP, terminal location, current time, and cell identity.
  • the Internet of Things platform further includes: a connection module configured to establish a connection with the terminal; and the lookup module is further configured to look up one or more terminals to be connected that are connectable to the terminal Sending information of the terminal to be connected to the terminal.
  • the receiving module is further configured to receive and record backup status information of the terminal.
  • An embodiment of the present disclosure further provides an Internet of Things platform, including: a memory, a processor, and a computer program stored on the memory and executable on the processor, wherein the processor executes the program to implement the following steps:
  • the networking platform polls the terminal status, looks at the terminal that has not sent the last message information at the specified time; searches for the target terminal that can be connected to the terminal; and transmits the information of the terminal and the recovery connection command information to the target terminal.
  • FIG. 12 is a block diagram of a terminal (on the network) according to an embodiment of the present disclosure. As shown in FIG. 12, the terminal includes: a connection module and a processing module.
  • the connection module is configured to attempt to establish a connection with the designated terminal after receiving the specified information.
  • the processing module is configured to, after establishing a connection with the designated terminal, accept the terminal to establish a connection with the Internet of Things platform through its own network, or forward information exchanged between the terminal and the Internet of Things platform.
  • connection module is configured to receive the specified information by receiving the heartbeat information sent by the designated terminal, including the disconnected state from the Internet of Things platform, or receiving the sent by the Internet of Things platform. Restore connection command information.
  • connection module is configured to attempt to establish a connection with the designated terminal by: if it is determined that the specified terminal is within the specified range, the proximity wireless communication function is turned on, and the designated terminal is searched.
  • the terminal further includes: a backup module configured to perform backup after receiving the specified file of the designated terminal; or after receiving the backup request of the designated terminal, corresponding to the designated terminal The file is sent to the designated terminal.
  • a backup module configured to perform backup after receiving the specified file of the designated terminal; or after receiving the backup request of the designated terminal, corresponding to the designated terminal The file is sent to the designated terminal.
  • An embodiment of the present disclosure further provides a terminal, including: a memory, a processor, and a computer program stored on the memory and executable on the processor, wherein the processor executes the program to implement the following steps: receiving the designation After the information, attempt to establish a connection with the designated terminal; and after establishing a connection with the designated terminal, accepting that the terminal establishes a connection with the Internet of Things platform through its own network, or forwarding between the terminal and the Internet of Things platform Interactive information.

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne un procédé de connexion à l'Internet des objets, un terminal et une plate-forme de l'Internet des objets. Le procédé de connexion à l'Internet des objets comporte les étapes consistant: après qu'un terminal a été déconnecté d'une plate-forme de l'Internet des objets, à rechercher un terminal cible accessible à la plate-forme de l'Internet des objets; et si le terminal cible est trouvé, établir une connexion avec le terminal cible, et se connecter à la plate-forme de l'Internet des objets au moyen du réseau du terminal cible.
PCT/CN2018/101663 2017-08-23 2018-08-22 Procédé de connexion à l'internet des objets, terminal et plate-forme de l'internet des objets WO2019037734A1 (fr)

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CN201710729942.7 2017-08-23

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CN106856415A (zh) * 2015-12-08 2017-06-16 香港生产力促进局 基于most光纤网络的掉线重连方法
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