WO2018232973A1 - Procédé et système de commande de l'état de fonctionnement d'un dispositif terminal de l'internet des objets - Google Patents

Procédé et système de commande de l'état de fonctionnement d'un dispositif terminal de l'internet des objets Download PDF

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Publication number
WO2018232973A1
WO2018232973A1 PCT/CN2017/098641 CN2017098641W WO2018232973A1 WO 2018232973 A1 WO2018232973 A1 WO 2018232973A1 CN 2017098641 W CN2017098641 W CN 2017098641W WO 2018232973 A1 WO2018232973 A1 WO 2018232973A1
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WIPO (PCT)
Prior art keywords
terminal device
time
data
routing node
information
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PCT/CN2017/098641
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English (en)
Chinese (zh)
Inventor
杜光东
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深圳市盛路物联通讯技术有限公司
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Publication of WO2018232973A1 publication Critical patent/WO2018232973A1/fr

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    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/52—Network services specially adapted for the location of the user terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/025—Services making use of location information using location based information parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
    • H04J3/0658—Clock or time synchronisation among packet nodes
    • H04J3/0661—Clock or time synchronisation among packet nodes using timestamps
    • H04J3/0667—Bidirectional timestamps, e.g. NTP or PTP for compensation of clock drift and for compensation of propagation delays
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2209/00—Arrangements in telecontrol or telemetry systems
    • H04Q2209/80—Arrangements in the sub-station, i.e. sensing device
    • H04Q2209/88—Providing power supply at the sub-station
    • H04Q2209/883—Providing power supply at the sub-station where the sensing device enters an active or inactive mode
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/001—Synchronization between nodes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the invention relates to the technical field of the Internet of things, and particularly relates to a method and a system for controlling the working state of an Internet of Things terminal device.
  • the Internet of Things connects all items to information sensing devices such as radio frequency identification, infrared sensors, global positioning systems, laser scanners, etc., and connects to the Internet in accordance with agreed protocols for information exchange and communication.
  • information sensing devices such as radio frequency identification, infrared sensors, global positioning systems, laser scanners, etc.
  • These information sensing devices are called terminal devices in the entire Internet of Things.
  • the terminal device simply "broadcasts” a small amount of data, or “listens” directly to its own data, which can also be called a “dumb device.”
  • the replacement of the battery of the terminal device is troublesome, and some terminal devices may need to be placed in some dangerous places. Therefore, the terminal device battery needs to maintain the working time of the terminal device for a long time, for several months, several years or even several Ten years, therefore, there is a higher demand in the art for the life of terminal equipment.
  • the embodiment of the invention discloses a method and a system for controlling the working state of the Internet of Things terminal device, which are used for controlling the terminal devices specified by the convergence unit to realize different working states at different stages, thereby improving the battery life of the terminal device, thereby improving the life of the terminal device. .
  • a first aspect of the present invention discloses a method for controlling an operating state of an Internet of Things terminal device, which may include:
  • the edge routing node receives the working status indication information that is sent by the aggregation unit, where the working status indication information includes a device type, an operation status when the terminal device corresponding to the device type is used to collect data, and a time for collecting data, and is used for And indicating a working state when the terminal device corresponding to the device type reports data and a time for reporting the data;
  • the edge routing node forwards the working status indication information to a terminal device in the wireless network coverage that matches the device type;
  • the terminal device After receiving the working status indication information, the terminal device monitors the system time of the terminal device in real time, and when monitoring the time when the system time reaches the collected data indicated by the working status indication information, The working state of the terminal device is switched to the working state when collecting data indicated by the working state indication information, and data is collected;
  • the terminal device monitors the time when the system time reaches the reported data indicated by the working state indication information, when the operating state of the terminal device is switched to the reported data indicated by the working state indication information, Working state, and sending the collected information to the edge routing node Data, such that the edge routing node reports the received data to the aggregation unit;
  • the terminal device switches the working state of the terminal device to a sleep state when monitoring the time when the system time does not belong to the collected data indicated by the working state indication information and the time when the data is reported.
  • the terminal device monitors the time when the system time reaches the reported data indicated by the working state indication information
  • the terminal is The working state of the device is switched to the working state when the data is reported by the working state indication information, and the collected data is sent to the edge routing node, including:
  • the terminal device When the power supply mode of the terminal device is a preset power supply mode, the terminal device sends a first instant weather acquisition request that carries the device identifier of the terminal device to the edge routing node, so that the edge routing node Determining location information of the terminal device according to the device identifier, and sending, by using an instant weather acquisition interface, a second real-time weather acquisition request carrying location information of the terminal device to the weather server to request real-time weather information;
  • the terminal device suspends performing an operation state when the working state of the terminal device is switched to the reported data indicated by the working state indication information, and routing to the edge The step of the node transmitting the collected data;
  • the terminal device When the determination result of the terminal device is NO, the terminal device performs an operation state when the working state of the terminal device is switched to the reported data indicated by the working state indication information, and routes the node to the edge. The step of sending the collected data.
  • the method further includes:
  • the edge routing node After the edge routing node forwards the working status indication information to the terminal device, the edge routing node monitors in real time whether the time that the terminal device reports the data indicated by the working status indication information is reached;
  • the edge routing node detects whether the data sent by the terminal device is received
  • the edge routing node When detecting that the data sent by the terminal device is not received, the edge routing node acquires a power supply mode of the terminal device, and determines whether the power supply mode of the terminal device is a preset power supply mode;
  • the edge routing section when the power supply mode of the terminal device is the preset power supply mode Pointing the instant weather acquisition interface to send a third instant weather acquisition request carrying the location information of the terminal device to the weather server;
  • the edge routing node receives third instant weather information corresponding to the location information of the terminal device returned by the weather server;
  • the edge routing node reports the first report information to the aggregation unit, where the first report information is used to describe the terminal.
  • the edge routing node When it is determined that the third real-time weather information is not the weather information that affects the power supply of the terminal device, the edge routing node reports the second report information to the convergence unit, where the second report information is used to describe the terminal. The device failed to report data on time for unknown reasons.
  • the edge routing node when determining that the third real-time weather information is not weather information that affects power supply of the terminal device, the edge routing node reports to the aggregation unit Second reporting information, including:
  • the edge routing node broadcasts a listening message to the terminal device when it is determined that the third real-time weather information is not weather information that affects power supply of the terminal device;
  • the edge routing node monitors whether a response message for the interception message returned by the terminal device is received
  • the edge routing node reports the second report information to the aggregation unit.
  • the method further includes:
  • the edge routing node When the power supply mode of the terminal device is the preset power supply mode, the edge routing node detects whether the instant weather acquisition interface is in an active state, and if in the active state, the edge routing node performs an instant weather acquisition interface.
  • the weather server sends the third instant weather acquisition request carrying the location information of the terminal device.
  • the second aspect of the present invention discloses a control system for an operating state of an Internet of Things terminal device, which may include:
  • the aggregation unit is configured to send the working status indication information to the edge routing node, where the working status indication information includes a device type, a working status when the terminal device corresponding to the device type collects data, and a time for collecting data, and The working status of the terminal device corresponding to the device type and the time when the data is reported;
  • the edge routing node is configured to receive the working status indication information
  • the edge routing node is further configured to: forward the working status indication information to a terminal device that matches the device type in a coverage of the wireless network;
  • the terminal device is configured to monitor, in real time, the system time of the terminal device after receiving the working state indication information, when monitoring the time when the system time reaches the collected data indicated by the working state indication information And switching the working state of the terminal device to the working state when collecting data indicated by the working state indication information, and collecting data;
  • the terminal device is further configured to: when monitoring the time when the system time reaches the reporting data indicated by the working state indication information, switch the working state of the terminal device to be indicated by the working state indication information The working state when the data is reported, and the collected data is sent to the edge routing node, so that the edge routing node reports the received data to the aggregation unit;
  • the terminal device is further configured to switch the working state of the terminal device to a sleep state when monitoring that the system time does not belong to the time of collecting data indicated by the working state indication information and the time for reporting data;
  • the aggregation unit is further configured to receive data reported by the terminal device sent by the edge routing node.
  • the terminal device is further configured to: when monitoring, that the system time reaches a time for reporting data indicated by the working state indication information,
  • the manner in which the working state of the terminal device is switched to the working state when the data is reported by the working state indication information, and the collected data is sent to the edge routing node is specifically:
  • the terminal device is further configured to acquire a power supply mode of the terminal device when monitoring the time when the system time reaches the reporting data indicated by the working state indication information; and when the power supply mode of the terminal device is a preset And sending, by the edge routing node, a first instant weather acquisition request that carries the device identifier of the terminal device, so that the edge routing node determines the location information of the terminal device according to the device identifier, And sending, by the real-time weather acquisition interface, a second instant weather acquisition request carrying the location information of the terminal device to the weather server to request the real-time weather information; and receiving the location information of the terminal device returned by the edge routing node a real-time weather information; determining whether the first real-time weather information is weather information that affects power supply of the terminal device; when the determination result of the terminal device is YES, suspending execution to switch the working state of the terminal device to the The working state when the data is reported as indicated by the working status indication information, and The edge routing node sends the collected data; when the determination result
  • the edge routing node is further configured to monitor, in real time, whether the working status indication is reached after forwarding the working status indication information to the terminal device.
  • the time indicated by the terminal device for reporting data When the time when the terminal device reports the data indicated by the working status indication information, detecting whether the data sent by the terminal device is received, and detecting that the data sent by the terminal device is not received, acquiring the terminal device a power supply mode, determining whether the power supply mode of the terminal device is a preset power supply mode; and when the power supply mode of the terminal device is the preset power supply mode, calling an instant weather acquisition interface to send the carrying a third instant weather acquisition request of the location information of the terminal device; and receiving third instant weather information corresponding to the location information of the terminal device returned by the weather server; determining whether the third instant weather information is affecting the terminal
  • the first report information is reported to the aggregation unit, and the first report information is used to describe the weather information when the third real-time weather information is determined to be
  • the edge routing node is further configured to: when determining that the third real weather information is not weather information affecting power supply of the terminal device,
  • the method for reporting the second report information by the aggregation unit is as follows:
  • the edge routing node is further configured to: when determining that the third instant weather information is not weather information that affects power supply of the terminal device, broadcast a listening message to the terminal device; and monitor whether the terminal device returns a response message to the listening message; if the response message is not detected within a certain period of time, reporting the second report information to the aggregation unit.
  • the edge routing node is further configured to detect an instant weather acquisition interface when determining that the power supply mode of the terminal device is the preset power supply mode. Is it active?
  • the edge routing node is further configured to: when it is determined that the instant weather acquisition interface is in an active state, perform a call to the real-time weather acquisition interface to send a third instant weather acquisition request that carries the location information of the terminal device to the weather server.
  • the embodiment of the invention has the following beneficial effects:
  • the edge routing node forwards the working status indication information sent by the aggregation unit to the terminal device in the coverage of the wireless network that matches the device type in the working status indication information, and the terminal device receives the After the working status indication information, the system time of the terminal device is monitored in real time, and when the system time reaches the time of collecting data indicated by the working status indication information, the terminal device switches the working state to the collected data indicated by the working status indication information. Work status, then data collection. Further, after the data is collected, when the system time reaches the time when the system time reaches the reported data indicated by the working state indication information, the terminal device switches the working state to the working state when the data is reported by the working state indication information.
  • the terminal device switches the working state to the sleep state. It can be seen that, in the embodiment of the present invention, the terminal device of the device type specified by the aggregation unit can adopt different working states at different time periods. When no data is collected or data is reported, the terminal device is in a dormant state, thereby being able to reduce The power consumption of the battery of the terminal device improves the battery life of the terminal device, thereby improving the service life of the terminal device.
  • FIG. 1 is a schematic diagram of an Internet of Things architecture disclosed by some embodiments of the present invention.
  • FIG. 2 is a schematic flowchart of a method for controlling an operating state of an Internet of Things terminal device according to an embodiment of the present invention
  • FIG. 3 is another schematic flowchart of a method for controlling an operating state of an Internet of Things terminal device according to an embodiment of the present invention
  • FIG. 4 is another schematic flowchart of a method for controlling an operating state of an Internet of Things terminal device according to an embodiment of the present invention
  • FIG. 5 is a schematic structural diagram of a control system for an operating state of an Internet of Things terminal device according to an embodiment of the present invention.
  • the embodiment of the invention discloses a method for controlling the working state of the object network terminal device, which is used for controlling the terminal device specified by the convergence unit to realize different working states at different stages, thereby improving the battery life of the terminal device, thereby improving the life of the terminal device.
  • the embodiment of the invention also correspondingly discloses an object association A control system for the working state of the network terminal equipment.
  • FIG. 1 is a schematic diagram of an Internet of Things architecture disclosed in some embodiments of the present invention
  • the Internet of Things architecture shown in FIG. 1 may include three layers: a terminal device layer, a routing node layer, and an aggregation layer according to functions.
  • the terminal device layer may include a mass-scale terminal device, such as a hygrometer, a smoke sensor, a ventilation device, a rain sensor, an irrigation valve, etc.
  • the routing node layer may include a large number of routing nodes connected by a network, and the routing node may include a router.
  • the device, the repeater, the access point, and the like are not limited in the embodiment of the present invention;
  • the routing node can use any standard networking protocol, and the routing node can implement data parsing between different network standards;
  • the convergence layer can include the aggregation unit.
  • the aggregation unit performs high-level management on each routing node of the routing node layer, thereby realizing control of data transmission frequency, network topology, and other networking functions; the aggregation unit can not only analyze and make decisions on the Internet of Things data generated by the mass terminal equipment, but also The command can be used to obtain information or configure terminal device parameters (at this time, the data transmission is directed to the terminal device); the aggregation unit can also introduce various services, from big data to social networks, and even from social tools "likes" to weather sharing. Wait.
  • each routing node (such a wireless network covering a routing node of a terminal device, also known as an edge routing node) can provide a mass of terminal devices within its own wireless network coverage.
  • each terminal device in each wireless network coverage of each routing node can have a built-in wireless communication module, which enables each routing node to communicate with each other within the coverage of its own wireless network through wireless network communication
  • a terminal device performs wireless communication.
  • the wireless communication module built into the terminal device can input the upper frequency point 470MHz and the lower frequency point 510MHz during production, so that the wireless communication module can automatically define the communication frequency band as 470MHz ⁇ 510MHz, It complies with the provisions of China's SRRC standard; alternatively, it can input the upper frequency point of 868MHz and the lower frequency point of 908MHz, so that the wireless communication module can automatically define the communication frequency band as 868MHz to 908MHz to comply with the European ETSI standard; or, you can enter The frequency is 918MHz and the lower frequency is 928MHz, so the wireless communication module can automatically define the communication frequency band as 918MHz ⁇ 928MHz to meet the requirements of the US FCC standard.
  • the communication frequency band of the wireless communication module can also be defined as conforming to the Japanese ARIB standard or Canada.
  • the specification of the IC standard is not limited in the embodiment of the present invention.
  • the terminal device can use Frequency Division Multiple Access (FDMA), Frequency-Hopping Spread Spectrum (FHSS), and Dynamic Time Division Multiple Access (Dynamic Time Division Multiple Access). , DTDMA), and backtracking multiplexing (CSMA) are combined to solve the interference problem.
  • FDMA Frequency Division Multiple Access
  • FHSS Frequency-Hopping Spread Spectrum
  • CSMA Dynamic Time Division Multiple Access
  • FIG. 2 is a schematic flowchart of a method for controlling an operating state of an Internet of Things terminal device according to an embodiment of the present invention
  • a method for controlling an operating state of an Internet of Things terminal device may be include:
  • the edge routing node receives the working status indication information that is sent by the aggregation unit, where the working status indication information includes a device type, an operating status when the terminal device corresponding to the device type is used to collect data, and a time for collecting data, and is used for indicating The working status of the terminal device corresponding to the device type when reporting data and the time when the data is reported.
  • the aggregation unit can specify the time for collecting the data and the time for reporting the data to the terminal device that is more interested in the terminal device, so as to be able to receive the data reported by the terminal devices on time, thereby analyzing and processing the data to obtain the desired one. information.
  • the aggregation unit can specify the humidity sensor of a certain farm, and collect the humidity data of the soil at two o'clock every afternoon (the time point when the sun is strong), and report the collected data to the convergence unit at four o'clock every afternoon, so that the convergence unit can pass. Analyze the data to get a conclusion on whether you need to irrigate the farm's crops.
  • the edge routing node forwards the working status indication information to the terminal device of the matching device type in the coverage of the wireless network.
  • the terminal device After receiving the working status indication information, the terminal device monitors the system time of the terminal device in real time;
  • the terminal device After receiving the working status indication information, the terminal device reads the clock information of the clock module in the terminal device in real time to obtain the system time of the terminal device.
  • the edge routing node periodically sends a broadcast message in its wireless network coverage, where the broadcast message includes a first time label sent by the edge routing node to the broadcast message; the edge routing node receives the terminal device a response message of the broadcast message, the response message includes a terminal device type, a first time tag, a second time tag in which the terminal device receives the broadcast message, and a third time tag in which the terminal device sends the response message; the edge routing node determines the terminal device Whether the type matches the device type specified by the working status indication information; if matched, the edge routing node obtains the edge according to the first time label, the second time label, the third time label, and the fourth time label receiving the response message
  • the time difference between the routing node and the terminal device is sent to the terminal device; the terminal device performs time synchronization adjustment according to the time difference.
  • the terminal device switches the working state of the terminal device to the working state when collecting data indicated by the working state indication information, and collects data when monitoring the time when the system time reaches the data collected by the working state indication information.
  • the working state of the terminal device may include a sleep state (the terminal device is not activated, and the wireless network is also in the off state), an active state, and the wireless network is turned off, the activated state is turned on, and the wireless network is turned on.
  • the terminal device is in a dormant state, can release wireless network resources, and can also allow the terminal device to be retired and improve its service life.
  • the terminal device consumes less battery energy, thereby improving the battery. Endurance.
  • the terminal device When the terminal device is in the sleep state, the system time of the terminal device is monitored in real time, and when the system time reaches the time of collecting data indicated by the working state indication information, the terminal device will work from the rest state.
  • the "active state and the wireless network is turned off" of the terminal device can be set as the working state when the data is collected.
  • the terminal device starts collecting data when the time for collecting data arrives, until the data is collected. After the terminal device collects the data and monitors the time when the data has not been reported, the terminal device switches the working state from the working state when the data is collected to the sleep state, so as to enter the rest and release the wireless network resource again.
  • the terminal device When monitoring the time when the system time reaches the reporting data indicated by the working state indication information, the terminal device switches the working state of the terminal device to the working state when the data is reported by the working state indication information, and routes the node to the edge.
  • the collected data is sent, so that the edge routing node reports the received data to the aggregation unit.
  • the terminal device collects the data or in the sleep state
  • the working state (from the sleep state or the working state when the data is collected) is switched to the report.
  • the working state of the data since the terminal device reports data according to the wireless network, the "active state and the wireless network is enabled" of the terminal device can be set to the working state when the data is reported.
  • the terminal device After the terminal device reports the data, if the system time has not reached the time when the data is collected again, the terminal device switches the working state from the working state when the data is reported to the sleep state again.
  • the terminal device sends the collected data to the edge routing node, where the terminal device acquires the target transmission frequency band, and then determines the time-frequency resource corresponding to the target transmission frequency band, and routes the edge to the edge on the time-frequency resource.
  • the node sends the collected data.
  • the edge routing node reports the received data to the aggregation unit, where the edge routing node determines, by using a frequency hopping manner, a frequency domain location of the physical resource block used for sending data from the target transmission frequency band.
  • the received data is sent to the aggregation unit on the time-frequency resource corresponding to the determined frequency domain location of the physical resource block.
  • the terminal device switches the working state of the terminal device to the dormant state when monitoring the time when the system time does not belong to the data collected by the working state indication information and the time when the data is reported.
  • the terminal device enters the sleep state when it is not the time to collect data and the time when the data is reported.
  • the edge routing node forwards the working status indication information sent by the aggregation unit to the terminal device in the coverage of the wireless network that matches the device type in the working status indication information, and the terminal device receives the After the working status indication information, the system time of the terminal device is monitored in real time, and when the system time reaches the time of collecting data indicated by the working status indication information, the terminal device switches the working state to the collected data indicated by the working status indication information. Work status, then data collection. Further, after the data is collected, when the system time is monitored to reach the time of reporting the data indicated by the working state indication information, the terminal device will work.
  • the terminal device switches the working state to the sleep state. It can be seen that, in the embodiment of the present invention, the terminal device of the device type specified by the aggregation unit can adopt different working states at different time periods. When no data is collected or data is reported, the terminal device is in a dormant state, thereby being able to reduce The power consumption of the battery of the terminal device improves the battery life of the terminal device, thereby improving the service life of the terminal device.
  • FIG. 3 is another schematic flowchart of a method for controlling an operating state of an Internet of Things terminal device according to an embodiment of the present invention.
  • a method for controlling an operating state of an Internet of Things terminal device may include:
  • the edge routing node receives the working state indication information that is sent by the aggregation unit, where the working state indication information includes a device type, an operating state when the terminal device corresponding to the device type is used to collect data, and a time for collecting data, and is used for indicating The working status of the terminal device corresponding to the device type when reporting data and the time when the data is reported.
  • the working state indication information includes a device type, an operating state when the terminal device corresponding to the device type is used to collect data, and a time for collecting data, and is used for indicating The working status of the terminal device corresponding to the device type when reporting data and the time when the data is reported.
  • the edge routing node When the access routing node is connected to the network, the edge routing node sends a request message for obtaining the working status indication information to the aggregation unit, and receives the working status indication information sent by the aggregation unit.
  • the edge routing node forwards the working status indication information to the terminal device of the matching device type in the coverage of the wireless network.
  • the terminal device After receiving the working status indication information, the terminal device monitors the system time of the terminal device in real time, and switches the working state of the terminal device to the working state when monitoring the time when the system time reaches the data collected by the working state indication information. Indicates the working status when the data is collected as indicated by the information, and collects data.
  • the terminal device acquires a power supply mode of the terminal device when monitoring the time when the system time reaches the reporting data indicated by the working state indication information.
  • the terminal device sends a first instant weather acquisition request that carries the device identifier of the terminal device to the edge routing node, so that the edge routing node determines the terminal device according to the device identifier.
  • the location information is sent to the weather server via the instant weather acquisition interface to send a second instant weather acquisition request carrying the location information of the terminal device to request instant weather information.
  • the terminal device may adopt a solar power supply mode or a battery that uses a relatively large amount of energy to store energy (after the battery is exhausted, the terminal device is scrapped, etc.).
  • solar power mode the terminal equipment needs to be able to work under the sun.
  • strain sensors there are hundreds of strain sensors in different positions of the highway bridge. These strain sensors are usually utilized. "Solar" powers it. Strain gauge sensor due to solar radiation on sunny days Data can be collected normally and reported; in rainy days, strain sensors may not be able to collect data and report data due to lack of sunlight.
  • the edge routing node invokes an instant weather acquisition interface, and sends a second instant weather acquisition request carrying the location information of the terminal device to the weather server. Further, before the edge routing node invokes the instant weather acquisition interface and sends the second instant weather acquisition request to the corresponding weather server through the instant weather acquisition interface, the edge routing node detects whether the instant weather acquisition interface is in an active state, if the instant weather is acquired The interface is in an active state, and sends a second instant weather acquisition request carrying the location information of the terminal device to the weather server.
  • the edge routing node determines whether the number of edge routing nodes accessed by the instant weather acquisition interface exceeds a threshold, and if not, sends a second instant weather acquisition request that carries the location information of the terminal device to the weather server through the instant weather acquisition interface.
  • the terminal device receives first instant weather information that is returned by the edge routing node for location information of the terminal device.
  • the terminal device determines whether the first real-time weather information is weather information that affects the power supply of the terminal device. If the determination result is yes, the process proceeds to step 308. If the determination result is no, the process proceeds to step 309.
  • the terminal device pauses execution to switch the working state of the terminal device to the working state when the data is reported by the working state indication information, and sends the collected data to the edge routing node.
  • the terminal device switches the working state of the terminal device to the working state when the data is reported by the working state indication information, and sends the collected data to the edge routing node.
  • the terminal device switches the working state of the terminal device to the dormant state when monitoring the time when the system time does not belong to the collected data indicated by the working state indication information and the time when the data is reported.
  • the terminal device of the device type specified by the aggregation unit can adopt different working states at different time periods.
  • the terminal device When no data is collected or data is reported, the terminal device is in a dormant state, thereby reducing the battery of the terminal device.
  • the power consumption increases the battery life of the terminal device, thereby improving the service life of the terminal device.
  • the data can be reported when the weather returns to the power supply without affecting the power supply.
  • FIG. 4 is another schematic flowchart of a method for controlling an operating state of an Internet of Things terminal device according to an embodiment of the present invention.
  • a method for controlling an operating state of an Internet of Things terminal device may include:
  • the edge routing node receives the working status indication information that is sent by the aggregation unit, where the working status indication information includes a device type, and is used to indicate that the terminal device corresponding to the device type collects data.
  • the status and the time when the data is collected, and the working status when the terminal device corresponding to the device type reports the data and the time when the data is reported.
  • the edge routing node forwards the working status indication information to the terminal device of the matching device type in the coverage of the wireless network.
  • the edge routing node After the edge routing node forwards the working status indication information to the terminal device, the edge routing node monitors in real time whether the time of reporting the data by the terminal device indicated by the working status indication information is reached. If the result of the determination is YES, the process proceeds to step 404. If the result of the determination is no, the process ends.
  • the edge routing node detects whether the data sent by the terminal device is received. If the determination result is no, the process proceeds to step 405. If the determination result is yes, the process ends.
  • the edge routing node obtains the power supply mode of the terminal device, and determines whether the power supply mode of the terminal device is a preset power supply mode. If the determination result is yes, the process proceeds to step 406. If the determination result is no, the process proceeds to step 410.
  • the edge routing node invokes the instant weather acquisition interface to send a third instant weather acquisition request that carries the location information of the terminal device to the weather server.
  • the edge routing node receives the third instant weather information corresponding to the location information of the terminal device returned by the weather server.
  • the edge routing node determines whether the third real-time weather information is weather information that affects the power supply of the terminal device. If the determination result is yes, the process proceeds to step 409. If the determination result is no, the process proceeds to step 410.
  • the edge routing node reports the first report information to the aggregation unit, where the first report information is used to indicate that the terminal device fails to report the data on time due to the weather.
  • the edge routing node reports the second report information to the aggregation unit, where the second report information is used to indicate that the terminal device fails to report the data on time due to an unknown reason.
  • reporting the second report information to the aggregation unit includes:
  • the edge routing node broadcasts a listening message to the terminal device when determining that the third instant weather information is not weather information that affects the power supply of the terminal device; and monitoring whether a response message for the listening message returned by the terminal device is received; The response message is not detected in the time, and the second report information is reported to the aggregation unit. In this embodiment, it is further detected whether the terminal device can normally connect to the wireless network to further determine the reason why the data is not reported.
  • the edge routing node sends the third real-time weather carrying the location information of the terminal device to the weather server when the power supply mode of the terminal device is the preset power supply mode, and the edge routing node invokes the instant weather acquisition interface.
  • the edge routing node detects whether the instant weather acquisition interface is in an active state. If it is in the active state, the edge routing node performs an instant weather acquisition interface to send the location information carrying the terminal device to the weather server. The third instant weather acquisition request.
  • the edge routing node also monitors whether the terminal device reports the data on time, and when the data is not reported on time, further analyzes the reason for the unreported data, and reports the reason to the aggregation unit, so that the aggregation unit can understand the situation, and It allows managers to detect terminal devices and so on.
  • FIG. 5 is a schematic structural diagram of a control system for an operating state of an Internet of Things terminal device according to an embodiment of the present invention. As shown in FIG. 5, a control system for an IoT terminal device working state may include:
  • the aggregation unit 510 is configured to send the working status indication information to the edge routing node 520, where the working status indication information includes a device type, a working state when the terminal device 530 corresponding to the device type is used to collect data, and a time for collecting data, and The working state when reporting data on the terminal device 530 corresponding to the device type and the time when the data is reported;
  • An edge routing node 520 configured to receive working status indication information
  • the edge routing node 520 is further configured to forward the working status indication information to the terminal device 530 of the matching device type in the coverage of the wireless network;
  • the terminal device 530 is configured to monitor the system time of the terminal device 530 in real time after receiving the working state indication information, and when the system time reaches the time when the system time reaches the data collected by the working state indication information, the working state of the terminal device 530 is used. Switching to the working state when collecting data indicated by the working state indication information, and collecting data;
  • the terminal device 530 is further configured to switch the working state of the terminal device 530 to the working state when reporting the data indicated by the working state indication information, when monitoring the time when the system time reaches the reporting data indicated by the working state indication information, and Sending the collected data to the edge routing node 520, so that the edge routing node 520 reports the received data to the aggregation unit 510;
  • the terminal device 530 is further configured to switch the working state of the terminal device 530 to the sleep state when monitoring the time when the system time does not belong to the collected data indicated by the working state indication information and the time when the data is reported;
  • the aggregation unit 510 is further configured to receive the data reported by the terminal device 530 sent by the edge routing node 520.
  • the edge routing node 520 sends a request message for acquiring the working status indication information to the aggregation unit 510, and receives the working status indication information delivered by the aggregation unit 510.
  • the sending, by the terminal device 530, the collected data to the edge routing node 520 includes: the terminal device 530 acquires the target transmission frequency band, and then determines the time-frequency resource corresponding to the target transmission frequency band, on the time-frequency resource.
  • the collected data is sent to the edge routing node 520.
  • the edge routing node 520 reports the received data to the sink.
  • the aggregation unit 510 specifically includes: the edge routing node 520 determines, by using a frequency hopping manner, a frequency domain location of a physical resource block used for transmitting data from a target transmission frequency band; and on a time-frequency resource corresponding to a frequency domain location of the determined physical resource block. The received data is transmitted to the aggregation unit 510.
  • the terminal device 530 is further configured to switch the working state of the terminal device 530 to the working state indication information when monitoring the time when the system time reaches the reporting data indicated by the working state indication information.
  • the working status when the data is reported and the collected data is sent to the edge routing node 520 is specifically as follows:
  • the terminal device 530 is further configured to acquire a power supply mode of the terminal device 530 when monitoring the time when the system time reaches the reporting data indicated by the working state indication information, and when the power supply mode of the terminal device 530 is the preset power supply mode, to the edge
  • the routing node 520 sends a first instant weather acquisition request that carries the device identifier of the terminal device 530, so that the edge routing node 520 determines the location information of the terminal device 530 according to the device identifier, and sends the mobile terminal device to the weather server through the instant weather acquisition interface.
  • a second instant weather acquisition request of the location information of 530 to request instant weather information a second instant weather acquisition request of the location information of 530 to request instant weather information; and receiving first instant weather information for the location information of the terminal device 530 returned by the edge routing node 520; determining whether the first instant weather information is an influencing terminal device 530-powered weather information; when the determination result of the terminal device 530 is YES, the execution of the operation state when the working state of the terminal device 530 is switched to the reporting data indicated by the working state indication information is suspended, and the collection is sent to the edge routing node 520.
  • Data to; at terminal device 530 Off result is NO, the terminal device 530 performs the operation state to the operation state report indicating the operation state when the data indicated by the information, and send the collected data to the edge routing node 520.
  • the edge routing node 520 is further configured to monitor, in real time, whether the terminal device 530 indicated by the working state indication information reports the time when the data is forwarded after the working state indication information is forwarded to the terminal device 530; When the terminal device 530 indicates the time when the data is reported by the working status indication information, it is detected whether the data transmitted by the terminal device 530 is received. When the data transmitted by the terminal device 530 is not received, the power supply mode of the terminal device 530 is acquired and determined.
  • the instant weather acquisition interface is invoked to send the third real-time weather carrying the location information of the terminal device 530 to the weather server.
  • the aggregation unit 510 reports the first report information, where the first report information is used to indicate that the terminal device 530 fails to report the data on time due to the weather; when the third instant weather information is determined not to affect the weather information provided by the terminal device 530, the convergence is performed.
  • the unit 510 reports the second report information, and the second report information is used to indicate that the terminal device 530 fails to report the data on time due to an unknown reason.
  • the edge routing node 520 is further configured to determine the third instant.
  • the method for reporting the second report information to the aggregation unit 510 is specifically as follows:
  • the edge routing node 520 is further configured to: when determining that the third real weather information is not weather information that affects the power supply of the terminal device 530, broadcast a listening message to the terminal device 530; monitor whether a response to the listening message returned by the terminal device 530 is received. If the response message is not detected within a certain period of time, the second reporting information is reported to the aggregation unit 510.
  • the edge routing node 520 is further configured to detect whether the instant weather acquisition interface is in an active state when determining that the power supply mode of the terminal device 530 is a preset power supply mode;
  • the edge routing node 520 is further configured to: after determining that the instant weather acquisition interface is in an active state, perform a third instant weather acquisition request that invokes the instant weather acquisition interface to send the location information of the terminal device 530 to the weather server.
  • the terminal device 530 after receiving the working status indication information, the terminal device 530 reads the clock information of the clock module in the terminal device 530 in real time to obtain the system time of the terminal device 530.
  • the edge routing node 520 periodically sends a broadcast message within its wireless network coverage, the broadcast message includes a first time label sent by the edge routing node 520 to the broadcast message; and the edge routing node 520 receives the terminal.
  • the device 530 responds to the broadcast message, the response message includes a terminal device type, a first time label, a second time label that the terminal device 530 receives the broadcast message, and a third time label that the terminal device 530 sends the response message;
  • the routing node 520 determines whether the terminal device type matches the device type specified by the working status indication information; if matched, the edge routing node 520 receives the response message according to the first time label, the second time label, the third time label, and the third time label.
  • the fourth time label obtains the time difference between the edge routing node 520 and the terminal device 530 and sends it to the terminal device 530; the terminal device 530 performs time synchronization adjustment according to the time difference.
  • the terminal device specified by the aggregation unit when the terminal device specified by the aggregation unit does not collect data or reports data, enters a dormant state to release the wireless network resources, and can also allow the terminal device to be rested, improve its service life, and in a sleep state.
  • the terminal device also consumes less battery energy, thereby improving the battery life.
  • the terminal device collects data or reports data, it can ensure the normal operation of the terminal device and improve the reliability of the Internet of Things.
  • ROM Read-Only Memory
  • RAM Random Access Memory
  • PROM Programmable Read-Only Memory
  • EPROM Erasable Programmable Read Only Memory
  • OTPROM One-time Programmable Read-Only Memory
  • EEPROM Electronically-Erasable Programmable Read-Only Memory
  • CD-ROM Compact Disc Read-Only Memory
  • CD-ROM Compact Disc Read-Only Memory

Abstract

L'invention concerne un procédé et un système pour commander l'état de fonctionnement d'un dispositif terminal de l'Internet des objets. Le procédé comprend les étapes suivantes : un nœud de routage d'extrémité reçoit des informations d'indication d'état de fonctionnement émises par une unité de convergence ; le nœud de routage d'extrémité transmet les informations d'indication d'état de fonctionnement à un dispositif terminal ayant un type de dispositif apparié dans sa plage de couverture de réseau sans fil ; lorsque le dispositif terminal détecte que le temps système atteint le moment de collecte des données, commutation de l'état de fonctionnement du dispositif terminal à l'état de fonctionnement de collecte de données, et collecte des données ; lorsque le dispositif terminal détecte que le temps système atteint le moment de notification des données, commutation de l'état de fonctionnement du dispositif terminal à l'état de fonctionnement de notification de données, et envoi des données collectées au nœud de routage d'extrémité ; et lorsque le dispositif terminal détecte que le temps système ne coïncide pas avec le moment de collecte de données et le moment de notification des données, commutation de l'état de fonctionnement du dispositif terminal à un état de veille. Ledit procédé peut réduire la consommation d'énergie de la batterie d'un dispositif terminal désigné par une unité de convergence, et améliorer la durée de vie du dispositif terminal.
PCT/CN2017/098641 2017-06-19 2017-08-23 Procédé et système de commande de l'état de fonctionnement d'un dispositif terminal de l'internet des objets WO2018232973A1 (fr)

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CN109579904A (zh) * 2018-12-04 2019-04-05 中国兵器装备集团自动化研究所 一种用于武器毁伤效能评估试验的简易硬件平台
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