WO2018233034A1 - Procédé et système de commande de transmission de données de l'internet des objets - Google Patents

Procédé et système de commande de transmission de données de l'internet des objets Download PDF

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Publication number
WO2018233034A1
WO2018233034A1 PCT/CN2017/099669 CN2017099669W WO2018233034A1 WO 2018233034 A1 WO2018233034 A1 WO 2018233034A1 CN 2017099669 W CN2017099669 W CN 2017099669W WO 2018233034 A1 WO2018233034 A1 WO 2018233034A1
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Prior art keywords
data
aggregation device
data packet
forwarding node
terminal devices
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PCT/CN2017/099669
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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 WO2018233034A1 publication Critical patent/WO2018233034A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/04—Arrangements for maintaining operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/06—Management of faults, events, alarms or notifications
    • H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
    • H04L41/0663—Performing the actions predefined by failover planning, e.g. switching to standby network elements
    • 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

Definitions

  • the present invention relates to the field of Internet of Things technologies, and in particular, to a method and system for controlling transmission of Internet of Things data.
  • the Internet of Things is a network that connects things to things.
  • terminal devices such as hygrometers, smoke detectors, ventilation devices, rain sensors, irrigation valves, etc. can collect data and report it to the aggregation unit through the Internet of Things.
  • the aggregation unit is used to analyze the data generated by the mass terminal devices. And processing.
  • the terminal device aggregates the data to be transmitted to the forwarding node in a single-hop or multi-hop manner, and the forwarding node uploads the aggregated data to the aggregation unit. Due to the large number of terminal devices and limited network resources, it is easy for some terminal devices to fail to transmit data and reduce the reliability of the Internet of Things.
  • the embodiment of the invention discloses a method and a system for controlling the transmission and control of the Internet of Things data, which are used to solve the problem that the reliability of the data transmission in the existing Internet of Things leads to low reliability of the Internet of Things.
  • a first aspect of the present invention discloses a method for controlling transmission of Internet of Things data, which may include:
  • the forwarding node receives configuration information that is sent by the aggregation unit, where the configuration information includes an identity type of the group member, where the identity type includes a primary aggregation device, a backup aggregation device, and a member device.
  • the forwarding node acquires a time point of collecting data by the terminal device in the coverage of the wireless network, and divides the terminal device in the coverage of the wireless network of the forwarding node into a plurality of points according to the time point at which the terminal device collects data. a group; wherein each of the groups includes a plurality of terminal devices at a time point in which data is collected;
  • the forwarding node configures one of the plurality of terminal devices in each of the groups as a primary aggregation device, and configures one terminal device of the plurality of terminal devices to be removed from the primary aggregation device as
  • the standby aggregation device configures the remaining terminal devices of the plurality of terminal devices from the primary aggregation device and the standby aggregation device as member devices;
  • the primary aggregation device When the primary aggregation device does not fail, the primary aggregation device acquires data of its own data and other terminal devices in the group, and packages the first data packet, and reports the first data packet to the forwarding. a node, so that the forwarding node reports the first data packet to the aggregation unit;
  • the secondary aggregation device When the primary aggregation device fails, the secondary aggregation device obtains data of its own data and other terminal devices in the group, and packages the second data packet, and reports the second data packet to the forwarding node. So that the forwarding node reports the second data packet to the aggregation unit.
  • the forwarding node receives the sink Configuration information delivered by the aggregation unit, including:
  • the forwarding node invokes a first network interface, and receives configuration information delivered by the aggregation unit by using the first network interface;
  • the primary aggregation device obtains the data of the user and the data of the other terminal devices in the group, and packages the data packet to obtain the first data packet, and reports the first data packet to the forwarding node, including:
  • the primary aggregation device obtains its own data and data of other terminal devices in the group, and packages the first data packet, and reports the first data packet to the forwarding node by using the second network interface of the forwarding node. ;
  • the standby aggregation device obtains its own data and data of other terminal devices in the group, and packages the second data packet, and reports the second data packet to the forwarding node, including:
  • the standby aggregation device obtains data of its own data and other terminal devices in the group, and packages the second data packet, and reports the second data packet to the forwarding node by using the second network interface of the forwarding node. .
  • the primary aggregation device when the primary aggregation device does not fail, acquires data of its own data and other terminal devices in the group and packages the data. And transmitting, by the first data packet, the first data packet to the forwarding node, including:
  • the primary aggregation device When the primary aggregation device does not fail, the primary aggregation device acquires data of its own data and other terminal devices in the group and packages the first data packet;
  • the primary aggregation device sends an instant weather query request carrying the location information of the primary aggregation device to the forwarding node, so that the forwarding node requests the cloud platform weather server to match the real-time weather of the location information of the primary aggregation device. information;
  • the primary aggregation device determines whether the real-time weather information matches a preset weather information for reporting the first data packet
  • the first aggregation device reports the first data packet to the forwarding node when it is determined that the current weather information matches the preset weather information for reporting the first data packet.
  • the primary aggregation device determines, when the current weather information matches a preset weather information for reporting the first data packet,
  • the reporting of the first data packet to the forwarding node includes:
  • the primary aggregation device reports the first data packet to the forwarding node when determining that the current current system time matches the time of the preset reporting data.
  • the standby aggregation device acquires its own data and other terminal devices in the group.
  • the data is packetized to obtain a second data packet, and the second data packet is reported to the forwarding node, including:
  • the standby aggregation device acquires data of its own data and other terminal devices in the group and packages the second data packet;
  • the second aggregation packet reports the second data packet to the forwarding node when the current system time is determined to match the preset time of the reported data.
  • a second aspect of the present invention discloses a transmission control system for Internet of Things data, which may include:
  • the forwarding node is configured to receive configuration information that is sent by the aggregation unit, where the configuration information includes an identity type of the group member, where the identity type includes a primary aggregation device, a backup aggregation device, and a member device.
  • the forwarding node is further configured to acquire a time point of collecting data by the terminal device in the coverage of the wireless network, and use the terminal device in the wireless network coverage range of the forwarding node as a basis of the time point at which the terminal device collects data. Dividing into a plurality of groups; wherein each of the groups includes a plurality of terminal devices that collect data at a time point of the same time period;
  • the forwarding node is further configured to configure one terminal device of each of the plurality of terminal devices in the group as a primary aggregation device, and remove one terminal of the primary aggregation device from the multiple terminal devices
  • the device is configured as a standby aggregation device, and the remaining terminal devices of the plurality of terminal devices except the primary aggregation device and the standby aggregation device are configured as member devices;
  • the primary aggregation device When the primary aggregation device is not faulty, the primary aggregation device is configured to acquire data of its own data and other terminal devices in the group, and package the first data packet, and report the first data packet to the local data packet. Deriving the forwarding node, so that the forwarding node reports the first data packet to the convergence unit;
  • the standby aggregation device is configured to acquire data of its own data and other terminal devices in the group, and package the second data packet, and report the second data packet to the Forwarding the node, so that the forwarding node reports the second data packet to the aggregation unit.
  • the manner in which the forwarding node is configured to receive the configuration information delivered by the aggregation unit is specifically:
  • the forwarding node is configured to invoke a first network interface, and receive configuration information delivered by the aggregation unit by using the first network interface;
  • the manner in which the primary aggregation device is configured to acquire the data of the other terminal devices in the group and the other terminal devices in the group and to obtain the first data packet, and report the first data packet to the forwarding node is specifically:
  • the primary aggregation device is configured to obtain the data of the other terminal device and the data of the other terminal devices in the group, and package the first data packet, and report the first data packet to the Forwarding node
  • the standby aggregation device acquires data of its own data and other terminal devices in the group
  • the method of reporting the second data packet and reporting the second data packet to the forwarding node is specifically:
  • the standby aggregation device is configured to obtain data of its own data and other terminal devices in the group and package the second data packet, and report the second data packet to the second data interface through the forwarding node. Forward the node.
  • the primary aggregation device when the primary aggregation device does not fail, the primary aggregation device is configured to acquire data of its own data and other terminal devices in the group.
  • the method of packetizing the first data packet and reporting the first data packet to the forwarding node is specifically:
  • the primary aggregation device When the primary aggregation device does not fail, the primary aggregation device is configured to acquire data of its own data and other terminal devices in the group and package the first data packet; and send the carrier to the forwarding node.
  • An immediate weather query request for location information of the primary aggregation device such that the forwarding node requests the cloud weather server to match the real-time weather information of the location information of the primary aggregation device; and receiving the Instant weather information; and determining whether the instant weather information matches a preset weather information for reporting the first data packet; and determining that the instant weather information matches a preset for reporting the first
  • the weather information of the data packet is sent, the first data packet is reported to the forwarding node.
  • the primary aggregation device is configured to: when determining that the real-time weather information matches a preset weather information for reporting the first data packet,
  • the manner of reporting the first data packet to the forwarding node is specifically:
  • the main aggregation device is configured to acquire a current system time of the primary aggregation device when determining that the real-time weather information matches a predetermined weather information for reporting the first data packet; and determining the current current acquisition Whether the system time matches the preset time for reporting the data; and when the current system time is determined to match the time of the preset report data, the first data packet is reported to the forwarding node.
  • the standby aggregation device when the primary aggregation device fails, is configured to acquire data of its own data and other terminal devices in the group and package the data. Obtaining the second data packet, and reporting the second data packet to the forwarding node is specifically:
  • the standby aggregation device is configured to acquire data of its own data and other terminal devices in the group and package the second data packet; and obtain the current system time and determine the acquisition. Whether the current system time matches the time of the preset report data; and when the time when the current system time is matched to the preset report data is determined, the second data packet is reported to the forwarding node.
  • the embodiment of the invention has the following beneficial effects:
  • the forwarding node after receiving the configuration information sent by the aggregation unit, divides the terminal equipment in the coverage of the wireless network into the basis of the time point of collecting the data by the terminal device in the coverage of the wireless network.
  • Several groups then in each group, determine from inside A primary aggregation device, an alternate aggregation device, and the remaining terminal devices are used as member devices to determine the identity type of the terminal devices in the group. Then, when the primary aggregation device in the group does not fail, the primary aggregation device in the group obtains data of its own data and other terminal devices (including the backup aggregation device and member devices) of the group in which the group is located, and is packaged.
  • the first data packet is then reported to the forwarding node; when the primary aggregation device in the group fails, the secondary aggregation device obtains data of its own data and other terminal devices of the group (including the primary aggregation device and the member device) And packaged to get the second data packet, and then reported to the forwarding node.
  • the forwarding node may divide the group according to the time point of collecting the data, so that the data collected by the terminal device can be reported in a centralized manner and in a timely manner, and further, the forwarding node passes the terminal device in the group.
  • the primary aggregation device is faulty, the data is reported by the primary aggregation device.
  • the primary aggregation device is faulty, the data is reported by the secondary aggregation device.
  • the reliability of networking is then reported to the forwarding node; when the primary aggregation device in the group fails, the secondary aggregation device obtains data of its own data and other terminal devices of the group (including the primary aggregation 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 transmission of Internet of Things data according to an embodiment of the present invention
  • FIG. 3 is another schematic flowchart of a method for controlling transmission of Internet of Things data according to an embodiment of the present invention
  • FIG. 4 is a schematic structural diagram of a transmission control system for an Internet of Things data disclosed in an embodiment of the present invention
  • FIG. 5 is another schematic structural diagram of a transmission control system for an Internet of Things data according to an embodiment of the present invention.
  • Embodiments of the present invention disclose a method for controlling transmission of Internet of Things data, which is used for centralized and timely The data collected by the terminal device is reported on the ground, and further, the data of all the terminal devices can be reported, and the reliability of the Internet of Things is improved. Embodiments of the present invention accordingly disclose a transmission control system for Internet of Things data.
  • 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 forwarding 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 forwarding node layer may include a large number of forwarding nodes connected by a network, and the forwarding 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 forwarding node may use any standard networking protocol, and the forwarding node may implement data parsing between different network standards;
  • the convergence layer may include an aggregation unit.
  • the aggregation unit can perform high-level management on each forwarding node of the forwarding 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.
  • each forwarding node can provide IoT data receiving and receiving services for a large number of terminal devices within its own wireless network coverage, wherein each forwarding node has its own wireless network coverage.
  • the terminal device can have a built-in wireless communication module, which enables each forwarding node to wirelessly communicate with each terminal device within its own wireless network coverage by wireless network 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 transmission of Internet of Things data according to an embodiment of the present invention.
  • a method for controlling transmission of Internet of Things data may include:
  • the forwarding node receives the configuration information delivered by the aggregation unit, where the configuration information includes an identity type of the group member, where the identity type includes a primary aggregation device, an alternate aggregation device, and a member device.
  • the identity type of the group member such as the primary aggregation device, the standby aggregation device, and the member device, is set by the aggregation unit.
  • the primary aggregation device is used to collect the terminal device data in the aggregation group, and then reported to the aggregation unit in a unified manner.
  • the primary aggregation device fails, such as the network failure of uploading data to the forwarding node,
  • the terminal device data in the group is aggregated by the standby aggregation device, and then reported to the aggregation unit in a unified manner to reduce the competition between the terminal devices to improve the success rate of data reporting.
  • the receiving, by the forwarding node, the configuration information that is sent by the aggregation unit specifically includes: the forwarding node invokes the first network interface, and receives the configuration information delivered by the aggregation unit by using the first network interface.
  • the forwarding node is configured with two types of network interfaces, which are referred to as a first network interface and a second network interface in the embodiment of the present invention, wherein the first network interface is used to implement data interaction with the aggregation unit.
  • the second network interface is used to implement data interaction with the terminal device.
  • the forwarding node invokes the first network interface to receive configuration information delivered by the aggregation unit.
  • the forwarding node obtains a time point of collecting data by the terminal device in the coverage of the wireless network, and divides the terminal device in the wireless network coverage of the forwarding node into several groups according to the time point of the terminal device collecting data; Each of the groups includes a plurality of terminal devices at the same time period at which the data is collected.
  • the aggregation unit may set a time point at which the terminal device collects data. Specifically, the aggregation unit sets a time point for collecting data for the terminal device on the location of interest (a certain farm). The aggregation unit can send the setting parameters to the terminal device, and the terminal device sets the time point for collecting data according to the setting parameters, after which the terminal device collects data at the time point of collecting the data.
  • the forwarding node divides the terminal devices in the coverage of the wireless network according to the time points of collecting data, for example, the time points at which the data is collected are the same or the time points at which the data is collected are relatively close.
  • the terminal devices are divided into groups for timely transmission.
  • the forwarding node configures one terminal device of each of the plurality of terminal devices in the group as a primary aggregation device, and configures one terminal device of the multiple terminal devices except the primary aggregation device as a standby aggregation device, and multiple The remaining terminal devices in the terminal device except the primary aggregation device and the standby aggregation device are configured as member devices.
  • the forwarding node further configures the identity of the terminal device in the group, and selects one of the plurality of terminal devices to be the primary aggregation device, and the other terminal device is configured as the standby aggregation device, and the remaining terminal devices are configured as the member devices.
  • the forwarding node may select the terminal device with the best performance from the plurality of terminal devices of the group as the primary aggregation device, and select the terminal device with the second performance as the standby aggregation device, and the remaining terminals.
  • the device is configured as a member device.
  • the primary aggregation device acquires its own data and The data of the other terminal devices in the group is packaged to obtain the first data packet, and the first data packet is reported to the forwarding node, so that the forwarding node reports the first data packet to the aggregation unit.
  • the primary aggregation device reports the first data packet to the forwarding node
  • the method includes: reporting, by the primary aggregation device, the first data packet to the forwarding node by using the second network interface of the forwarding node.
  • the reporting, by the primary aggregation device, the first data packet to the forwarding node includes: determining, by the primary aggregation device, a target transmission frequency band; establishing a communication connection with the forwarding node on the target transmission frequency band, and using the second network interface based on the established communication connection The first data packet is reported to the forwarding node.
  • the primary aggregation device establishes a communication connection with the forwarding node on the target transmission frequency band, and reports the first data packet to the forwarding node by using the second network interface based on the established communication connection, and the method includes: determining, by the primary aggregation device, the target transmission frequency band The time-frequency resource reports the first data packet to the forwarding node through the second network interface on the time-frequency resource.
  • the primary aggregation device determines the time-frequency resource corresponding to the target transmission frequency band, and reports the first data packet to the forwarding node by using the second network interface on the time-frequency resource, which includes: the primary aggregation device transmits the frequency band from the target through frequency hopping Determining a frequency domain location of the physical resource block for reporting the first data packet; the primary aggregation device reporting the first data packet by using the second network interface on the time-frequency resource corresponding to the frequency domain location of the determined physical resource block Give the forwarding node.
  • the standby aggregation device obtains data of its own data and other terminal devices in the group, and packages the second data packet, and reports the second data packet to the forwarding node to enable the forwarding node.
  • the second data packet is reported to the aggregation unit.
  • Other terminal devices herein include a primary aggregation device and a member device.
  • the standby aggregation device periodically sends a heartbeat data packet to the primary aggregation device; when the heartbeat response data packet returned by the primary aggregation device is not received within the preset time period, the standby aggregation device determines to monitor the primary convergence. The device is faulty, so that the data of the user and the other terminal devices in the group are obtained and the second data packet is packetized, and the second data packet is reported to the forwarding node, so that the forwarding node reports the second data packet to the aggregation node. Step of the unit; when receiving the heartbeat response packet returned by the primary aggregation device within the preset time period, the standby aggregation device determines that the primary aggregation device has not failed. With this implementation, the standby aggregation device can find that the primary aggregation device is faulty in time to replace the aggregation data of the primary aggregation device and report the data.
  • the forwarding node acquires the length of time that the primary aggregation device does not receive the first data packet, and the forwarding node determines whether the duration is greater than a preset threshold; when the forwarding node is greater than the preset threshold, the forwarding node determines The primary aggregation device fails, and sends a notification message to the standby aggregation device, so that the secondary aggregation device determines that the primary aggregation device is faulty according to the notification message, and performs data acquisition of its own data and other terminal devices in the group and is packaged.
  • the second data packet is reported to the forwarding node by the second data packet, so that the forwarding node reports the second data packet to the aggregation unit.
  • the forwarding node detects whether the primary aggregation device has failed, and notifies the standby aggregation device when a failure occurs.
  • the primary aggregation device detects whether the time for sending the first data packet to the forwarding node is greater than a second threshold, and if it is greater than the second threshold, determining that the user has failed, notifying the standby aggregation device.
  • the forwarding node after receiving the configuration information sent by the aggregation unit, divides the terminal equipment in the coverage of the wireless network into the basis of the time point of collecting the data by the terminal device in the coverage of the wireless network.
  • a plurality of groups, and then in each group, a primary aggregation device, an alternate aggregation device, and the remaining terminal devices are determined as member devices, thereby determining the identity type of the terminal devices in the group.
  • the primary aggregation device in the group does not fail, the primary aggregation device in the group obtains data of its own data and other terminal devices (including the backup aggregation device and member devices) of the group in which the group is located, and is packaged.
  • the first data packet is then reported to the forwarding node; when the primary aggregation device in the group fails, the secondary aggregation device obtains data of its own data and other terminal devices of the group (including the primary aggregation device and the member device) And packaged to get the second data packet, and then reported to the forwarding node.
  • the forwarding node may divide the group according to the time point of collecting the data, so that the data collected by the terminal device can be reported in a centralized manner and in a timely manner, and further, the forwarding node passes the terminal device in the group.
  • the primary aggregation device is faulty, the data is reported by the primary aggregation device.
  • the primary aggregation device is faulty, the data is reported by the secondary aggregation device.
  • the reliability of networking is then reported to the forwarding node; when the primary aggregation device in the group fails, the secondary aggregation device obtains data of its own data and other terminal devices of the group (including the primary aggregation device
  • FIG. 3 is another schematic flowchart of a method for controlling transmission of Internet of Things data according to an embodiment of the present invention.
  • a method for controlling transmission of Internet of Things data may include:
  • the forwarding node receives configuration information that is sent by the aggregation unit, where the configuration information includes an identity type of the group member, where the identity type includes a primary aggregation device, an alternate aggregation device, and a member device.
  • the forwarding node after the access node is connected to the network, the forwarding node sends a request for obtaining configuration information to the aggregation unit, and receives configuration information delivered by the aggregation unit.
  • the forwarding node receives the system update configuration information delivered by the aggregation unit, performs system update configuration according to the system update configuration information, and sends a request for obtaining configuration information to the aggregation unit after the system update configuration is completed. And receiving the configuration information delivered by the aggregation unit.
  • the forwarding node obtains a time point of collecting data by the terminal device in the coverage of the wireless network, and divides the terminal device in the wireless network coverage of the forwarding node into several groups according to the time point of the terminal device collecting data; Each group includes a plurality of terminal devices at the same time period at which the data is collected.
  • the forwarding node configures one terminal device of the multiple terminal devices in each group as a primary aggregation device, and configures one terminal device of the multiple terminal devices except the primary aggregation device as a standby aggregation device, and multiple terminals.
  • the remaining terminal settings of the primary aggregation device and the standby aggregation device are removed from the device.
  • the configuration is a member device.
  • the primary aggregation device obtains data of its own data and other terminal devices in the group and packages the first data packet.
  • the primary aggregation device sends an immediate weather query request that carries the location information of the primary aggregation device to the forwarding node, so that the forwarding node requests the cloud weather server to match the real-time weather information of the location information of the primary aggregation device.
  • the aggregation unit may also set the weather for reporting data in each group.
  • the data may be reported on a sunny day to ensure network performance, thereby improving the success rate of data reporting.
  • the aggregation unit sends the weather information of the reported data, and after receiving the weather information, the forwarding node writes the weather information to the primary aggregation device and the standby aggregation device of the group.
  • the primary aggregation device receives the real-time weather information returned by the forwarding node.
  • the primary convergence device determines whether the real-time weather information matches the preset weather information for reporting the first data packet. When the determination result is YES, the process proceeds to step 308; when the determination result is negative, the process ends.
  • the primary aggregation device reports the first data packet to the forwarding node.
  • the primary aggregation device when determining that the real-time weather information matches the preset weather information for reporting the first data packet, the primary aggregation device first acquires the current system time of the primary aggregation device; and determines the current system time obtained. Whether to match the time of the preset report data; when determining the time when the acquired current system time matches the preset report data, the first data packet is reported to the forwarding node.
  • the standby aggregation device obtains data of its own data and other terminal devices in the group, and packages the second data packet.
  • the standby aggregation device sends an instant weather query request carrying the location information of the standby aggregation device to the forwarding node, so that the forwarding node requests the cloud station weather server to match the real-time weather information of the location information of the standby aggregation device.
  • the standby aggregation device receives the real-time weather information returned by the forwarding node.
  • the standby aggregation device determines whether the real-time weather information matches the preset weather information for reporting the second data packet. If the result of the determination is YES, the process proceeds to step 313. If the result of the determination is negative, the process ends.
  • the standby aggregation device reports the second data packet to the forwarding node.
  • the standby aggregation device acquires data of its own data and other terminal devices in the group, and packages the second data packet, and reports the second data packet.
  • the forwarding node includes: when the primary aggregation device fails, the standby aggregation device acquires its own data and data of other terminal devices in the group and packages the second data packet; and obtains its current system time, and The second data packet is reported to the forwarding node when it is determined that the current system time is matched with the preset time for reporting the data.
  • the standby aggregation device determines the instant weather information matching pre- When the weather information of the second data packet is reported, the current system time of the standby aggregation device is obtained first; whether the current system time obtained matches the preset time for reporting the data; and the current system time is determined to match the preset. When the time of the data is reported, the second data packet is reported to the forwarding node.
  • the weather of the data reported by the primary aggregation device and the standby aggregation device may be further set, and the forwarding node may divide the group according to the time point of collecting the data, so that the data collected by the terminal device can be reported in a centralized and timely manner, and further The forwarding node allocates the identity type to the terminal device in the group.
  • the primary aggregation device does not fail, the primary aggregation device reports the first data packet in the weather for matching the first data packet.
  • the secondary aggregation device collects the second data packet in the weather for matching the second data packet. The data of all the terminal devices can be reported and the reliability of the Internet of Things can be improved.
  • FIG. 4 is a schematic structural diagram of an Internet of Things data transmission control system according to an embodiment of the present invention
  • FIG. 5 is another schematic structural diagram of an Internet of Things data transmission control system according to an embodiment of the present invention
  • a transmission control system for Internet of Things data may include:
  • the forwarding node 410 is configured to receive configuration information that is sent by the aggregation unit 420, where the configuration information includes an identity type of the group member, where the identity type includes a primary aggregation device 43011, a backup aggregation device 43022, and a member device 43033;
  • the forwarding node 410 is further configured to acquire a time point of the terminal device 430 in the coverage of the wireless network to collect the data, and divide the terminal device 430 in the wireless network coverage of the forwarding node 410 according to the time point at which the terminal device 430 collects the data.
  • each group includes a plurality of terminal devices 430 that collect data at a same time period;
  • the forwarding node 410 is further configured to configure one terminal device 430 of the plurality of terminal devices 430 in each group as the primary aggregation device 43011, and configure one terminal device 430 of the plurality of terminal devices 430 except the primary aggregation device 43011 to be configured as
  • the standby aggregation device 43022 configures the remaining terminal devices 430 of the plurality of terminal devices 430 except the primary aggregation device 43011 and the backup aggregation device 43022 as the member devices 43033 (as shown in FIG. 5 in detail);
  • the primary aggregation device 43011 When the primary aggregation device 43011 has not failed, the primary aggregation device 43011 is configured to acquire the data of the other terminal device 430 and the data of the other terminal device 430 in the group, and package the first data packet, and report the first data packet to the forwarding node 410.
  • the forwarding node 410 reports the first data packet to the aggregation unit 420;
  • the secondary aggregation device 43022 is configured to acquire data of its own data and other terminal devices 430 in the group and package the second data packet, and report the second data packet to the forwarding node 410.
  • the forwarding node 410 is caused to report the second data packet to the convergence unit 420.
  • the standby aggregation device 43022 periodically sends a heartbeat data packet to the primary aggregation device 43011; when the heartbeat response data packet returned by the primary aggregation device 43011 is not received within the preset time period, the backup aggregation device 43022 determines Listening to the failure of the primary aggregation device, Therefore, the step of obtaining the data of the other terminal device and the other terminal devices in the group is performed, and the second data packet is packetized, and the second data packet is reported to the forwarding node, so that the forwarding node reports the second data packet to the aggregation unit 420.
  • the standby aggregation device 43022 determines that the primary aggregation device has not failed.
  • the backup aggregation device 43022 can detect that the primary aggregation device is faulty in time to replace the aggregation data of the primary aggregation device 43011 and report the data.
  • the forwarding node 410 obtains the length of time when the primary aggregation device 43011 does not receive the first data packet, and the forwarding node 410 determines whether the duration is greater than a preset threshold. The forwarding node 410 is greater than the preset duration. At the threshold, it is determined that the primary aggregation device 43011 has failed, and sends a notification message to the standby aggregation device 43022, so that the backup aggregation device 43022 determines that the primary aggregation device 43011 has failed according to the notification message to perform acquisition of its own data and other groups in the group.
  • the data of the terminal device is packaged to obtain the second data packet, and the second data packet is reported to the forwarding node 410, so that the forwarding node 410 reports the second data packet to the aggregation unit 420.
  • the forwarding node 410 detects whether the primary aggregation device 43011 has failed, and notifies the alternate aggregation device 43022 when a failure occurs.
  • the time that the primary aggregation device 43011 receives the data sent by the other terminal devices of the group is greater than the first preset, and if it is greater than the first preset, determines that the user has a fault, and notifies the standby aggregation device. 43022;
  • the primary convergence device 43011 detects whether the time at which the first data packet is sent to the forwarding node 410 is greater than a second threshold, and if it is greater than the second threshold, determines that it has failed, notifying the alternate aggregation device 43022.
  • the manner in which the forwarding node 410 is configured to receive the configuration information delivered by the aggregation unit 420 is specifically:
  • the forwarding node 410 is configured to invoke the first network interface, and receive configuration information delivered by the aggregation unit 420 through the first network interface.
  • the main aggregation device 43011 is configured to obtain the data of the other terminal device 430 in the group and the data of the other terminal device 430 in the group, and package the first data packet, and report the first data packet to the forwarding node 410.
  • the main aggregation device 43011 is configured to acquire the data of the other terminal device 430 in the group and the data of the other terminal device 430 in the group, and the first data packet is sent to the forwarding node 410 through the second network interface of the forwarding node 410;
  • the backup aggregation device 43022 obtains its own data and the data of the other terminal devices 430 in the group, and packages the second data packet, and the second data packet is reported to the forwarding node 410.
  • the backup aggregation device 43022 is configured to obtain the data of the other terminal device 430 in the group and the data of the other terminal device 430 in the group.
  • the second data packet is forwarded to the forwarding node 410 through the second network interface of the forwarding node 410.
  • the forwarding node 410 before the forwarding node 410 receives the configuration information sent by the aggregation unit 420, the forwarding node 410 sends the acquisition to the aggregation unit 420 after accessing the network and starting.
  • the configuration information is requested, and the configuration information delivered by the aggregation unit 420 is received.
  • the forwarding node 410 receives the system update configuration information that is sent by the aggregation unit 420, performs system update configuration according to the system update configuration information, and sends the acquisition configuration to the aggregation unit 420 after the system update configuration is completed.
  • the request for information and the configuration information delivered by the aggregation unit 420 is not limited to the system update configuration information.
  • the primary aggregation device 43011 reports the first data packet to the forwarding node 410.
  • the primary aggregation device 43111 reports the first data packet to the forwarding node 410 by using the second network interface of the forwarding node 410.
  • the reporting, by the primary aggregation device 43011, the first data packet to the forwarding node 410 includes: the primary aggregation device 43011 determines a target transmission frequency band; establishes a communication connection with the forwarding node 410 on the target transmission frequency band, and passes the established communication connection based on the The second network interface reports the first data packet to the forwarding node 410.
  • the primary aggregation device 43011 establishes a communication connection with the forwarding node 410 on the target transmission frequency band, and reports the first data packet to the forwarding node 410 through the second network interface based on the established communication connection. Specifically, the primary aggregation device 43011 determines the target. The time-frequency resource corresponding to the transmission band reports the first data packet to the forwarding node 410 through the second network interface on the time-frequency resource.
  • the primary aggregation device 43011 determines the time-frequency resource corresponding to the target transmission frequency band, and the first data packet is reported to the forwarding node 410 by using the second network interface on the time-frequency resource, and the method includes: the primary aggregation device 43011 adopts a frequency hopping method. Determining, in the target transmission frequency band, a frequency domain location of the physical resource block used for reporting the reporting information; the primary aggregation device 43011, on the time-frequency resource corresponding to the frequency domain location of the determined physical resource block, using the second network interface to the first data The packet is reported to the forwarding node 410.
  • the primary aggregation device 43011 when the primary aggregation device 43011 fails to be faulty, the primary aggregation device 43011 is configured to acquire data of its own data and other terminal devices 430 in the group, and package the first data packet.
  • the manner in which a data packet is reported to the forwarding node 410 is specifically as follows:
  • the primary aggregation device 43011 When the primary aggregation device 43011 has not failed, the primary aggregation device 43011 is configured to acquire data of its own data and other terminal devices 430 in the group and package the first data packet; and send the primary aggregation device to the forwarding node 410.
  • An instant weather query request for location information of 43011 such that forwarding node 410 requests instant weather information matching the location information of primary aggregation device 43011 to the PTZ weather server; and receiving instant weather information returned by forwarding node 410; and determining instant Whether the weather information matches the preset weather information for reporting the first data packet; and, when determining that the real-time weather information matches the preset weather information for reporting the first data packet, reporting the first data packet to the forwarding Node 410.
  • the main aggregation device 43011 is configured to report the first data packet to the forwarding node 410 when determining that the real-time weather information matches the preset weather information for reporting the first data packet. for:
  • the main aggregation device 43011 is configured to acquire the current system time of the primary aggregation device 43011 when it is determined that the real-time weather information matches the preset weather information for reporting the first data packet; and, determine The obtained current system time is matched with the preset time of reporting the data; and the first data packet is reported to the forwarding node 410 when it is determined that the current system time of the acquisition matches the preset reported data.
  • the backup aggregation device 43022 is configured to acquire data of its own data and other terminal devices 430 in the group, and package the second data packet, and the second packet.
  • the manner in which the data packet is reported to the forwarding node 410 is specifically as follows:
  • the backup aggregation device 43022 is configured to acquire data of its own data and other terminal devices 430 in the group and package the second data packet; and obtain its current system time and determine the acquired data. Whether the current system time matches the time of the preset report data; and when the current system time is determined to match the time of the preset report data, the second data packet is reported to the forwarding node 410.
  • the forwarding node 410 can divide the group according to the time point of collecting the data, so that the data collected by the terminal device can be reported in a centralized manner and in a timely manner. Further, the forwarding node 410 divides the identity type by the terminal device 430 in the group.
  • the primary aggregation device 43011 fails to be reported, the data is reported by the primary aggregation device 43011.
  • the primary aggregation device 43011 fails, the data is reported by the secondary aggregation device 43022, and the data of all the terminal devices 430 can be reported. 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

Abstract

Les modes de réalisation de la présente invention concernent le domaine de la technologie de l'Internet des objets, et concerne ainsi un procédé et un système de commande de la transmission de données de l'Internet des objets, le procédé comprenant les étapes suivantes : un nœud de réacheminement reçoit des informations de configuration émises par une unité d'agrégation, et divise des dispositifs terminaux en plusieurs groupes, comprenant des dispositifs d'agrégation principaux, des dispositifs d'agrégation en veille et des dispositifs membres sur la base de points temporels d'acquisition de données par les dispositifs terminaux dans une zone de couverture d'un réseau sans fil du nœud de réacheminement ; lorsque les dispositifs d'agrégation principaux ne subissent pas de défaillance, les dispositifs d'agrégation principaux obtiennent des données de ceux-ci et des données des autres dispositifs terminaux, regroupent en paquets les données pour obtenir un premier paquet de données et rapportent le paquet de données au nœud de réacheminement ; lorsque les dispositifs d'agrégation principaux subissent une défaillance, les dispositifs d'agrégation en veille obtiennent des données de ceux-ci et les données des autres dispositifs terminaux, regroupent en paquet les données pour obtenir un second paquet de données et rapportent le paquet de données au nœud de réacheminement ; on peut voir qu'avec la présente invention, les données collectées par les dispositifs terminaux peuvent être rapportées de manière centrale d'une manière opportune, garantissant en outre que toutes les données des dispositifs terminaux peuvent être rapportées, et améliorant la fiabilité de l'Internet des objets.
PCT/CN2017/099669 2017-06-21 2017-08-30 Procédé et système de commande de transmission de données de l'internet des objets WO2018233034A1 (fr)

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