WO2018233049A1 - Système et procédé de communication de données de l'internet des objets - Google Patents

Système et procédé de communication de données de l'internet des objets Download PDF

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Publication number
WO2018233049A1
WO2018233049A1 PCT/CN2017/100012 CN2017100012W WO2018233049A1 WO 2018233049 A1 WO2018233049 A1 WO 2018233049A1 CN 2017100012 W CN2017100012 W CN 2017100012W WO 2018233049 A1 WO2018233049 A1 WO 2018233049A1
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Prior art keywords
data
communication interface
terminal
data packet
access node
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PCT/CN2017/100012
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English (en)
Chinese (zh)
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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 WO2018233049A1 publication Critical patent/WO2018233049A1/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
    • H04L67/01—Protocols
    • H04L67/10—Protocols in which an application is distributed across nodes in the network
    • H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes

Definitions

  • the present invention relates to the field of Internet of Things technologies, and in particular, to an Internet of Things data communication method and system.
  • the Internet of Things is the Internet connected to the Internet. It is a network that extends and expands on the Internet. It uses any terminal equipment such as radio frequency identification equipment, infrared sensing equipment, laser scanners, and gas sensors. Items are connected to the Internet for intelligent identification, location, tracking, monitoring and management. There are a large number of terminal devices in the Internet of Things. These terminal devices are distributed on each device type. The terminal device collects data and reports data according to its own settings or specified by the aggregation unit. For the aggregation unit, some collected data in the mass terminal device is more valuable, and it is more eager to receive the data, but because the terminal device is affected by many factors when reporting the data, one of them is due to limited network resources. If too many terminal devices report data at the same time, some terminal devices may report failures. If they contain more valuable data, it will cause confusion for the aggregation unit to manage the Internet of Things.
  • the embodiment of the invention discloses an Internet of Things data communication method and system, which is used for solving the problem that the existing terminal equipment has difficulty in the management of the aggregation unit due to the failure of reporting data, and ensures that the valuable data in the Internet of Things can be stably reported, and the reliability is relatively high. high.
  • a first aspect of the present invention discloses an Internet of Things data communication method, which may include:
  • the access node receives the report setting information that is sent by the aggregation unit, where the report setting information includes an identity type of the group member, a data reporting time point, a device type, and a communication interface type, where the identity type includes a primary aggregation terminal and a secondary aggregation terminal. And member terminals;
  • the access node divides the terminal device of the device type that matches the device setting information into a plurality of groups, and each group includes one primary aggregation terminal and one secondary aggregation terminal, based on the data reporting time point. And a number of member terminals; wherein, the device type of the terminal device of each of the groups matches the device type of the report setting information, and the data reporting time point matches the data reporting time point of the report setting information;
  • the primary aggregation terminal When the primary aggregation terminal does not fail, the primary aggregation terminal acquires the current system time, and obtains its own data and data of other terminal devices in the group when the acquired current system time reaches the data reporting time point. Decapsulating the first data packet, and invoking the communication interface corresponding to the communication interface type to report the first data packet to the access node, so that the access node Reporting the first data packet to the convergence unit;
  • the secondary aggregation terminal acquires the current system time, and obtains its own data and data package of other terminal devices in the group when the acquired current system time reaches the data reporting time point. Obtaining a second data packet, invoking a communication interface corresponding to the communication interface type, and reporting the second data packet to the access node, so that the access node reports the second data packet to the convergence unit.
  • the access node receives the report setting information that is sent by the aggregation unit, and includes:
  • the access node invokes the first network interface, and receives the report setting information sent by the aggregation unit by using the first network interface;
  • the main aggregation terminal acquires the current system time, and when the acquired current system time reaches the data reporting time point, acquires its own data and data of other terminal devices in the group to obtain the first data packet, and invokes the communication.
  • the communication interface corresponding to the interface type reports the first data packet to the access node, including:
  • the main aggregation terminal acquires the current system time, and obtains the data of the other terminal device in the group and obtains the first data packet when the obtained system time reaches the data reporting time point, and invokes the communication.
  • the communication interface corresponding to the interface type reports the first data packet to the access node, and the communication interface corresponding to the communication interface type is different from the first network interface;
  • the secondary aggregation terminal acquires the current system time, and when the acquired current system time reaches the data reporting time point, acquires its own data and data of other terminal devices in the group to obtain a second data packet, and the foregoing
  • the two data packets are reported to the access node, including:
  • the secondary aggregation terminal acquires the current system time, and when the acquired current system time reaches the data reporting time point, acquires its own data and data of other terminal devices in the group to obtain a second data packet, and invokes the communication.
  • the communication interface corresponding to the interface type reports the second data packet to the access node, and the communication interface corresponding to the communication interface type is different from the first network interface.
  • the method before the receiving, by the access node, the information about the report sent by the aggregation unit, the method further includes:
  • the access node receives the configuration information that is sent by the aggregation unit, where the configuration information includes the device type, the data reporting time point, and the communication interface type;
  • the primary aggregation terminal acquires a current system time, and obtains its own data and a group when the acquired current system time reaches the data reporting time point.
  • the data packet of the other terminal device is obtained by the first data packet, and the communication interface corresponding to the communication interface type is used to report the first data packet to the access node, including:
  • the main aggregation terminal detects the current system time in real time, and collects data and obtains data of other terminal devices in the group to obtain the first data packet when the detected current system time reaches the data collection time point;
  • the primary aggregation terminal when the detected current system time reaches the data reporting time point, invokes the communication interface corresponding to the communication interface type to report the first data packet to the access node.
  • the secondary aggregation terminal acquires a current system time, and obtains its own data and a group when the acquired current system time reaches the data reporting time point.
  • the data packet of the other terminal device is obtained by the second data packet, and the communication interface corresponding to the communication interface type is used to report the second data packet to the access node, including:
  • the secondary aggregation terminal detects the current system time in real time, and collects data and obtains data of other terminal devices in the group to obtain the second data packet when the detected current system time reaches the data collection time point;
  • the secondary aggregation terminal when the detected current system time reaches the data reporting time point, invokes the communication interface corresponding to the communication interface type to report the second data packet to the access node.
  • the second aspect of the present invention discloses a data reporting system based on device type and time, which may include:
  • the access node is configured to receive the report setting information that is sent by the aggregation unit, where the report setting information includes an identity type of the group member, a data reporting time point, a device type, and a communication interface type, where the identity type includes a primary aggregation terminal, Secondary aggregation terminal and member terminal;
  • the access node is further configured to divide, according to the data reporting time point, the terminal device of the device type that matches the device type with the device type into a plurality of groups, each group includes a primary aggregation terminal, and one a secondary aggregation terminal and a plurality of member terminals; wherein, the device type of the terminal device of each of the groups matches the device type of the report setting information, and the data reporting time point matches the data reporting time point of the report setting information;
  • the primary aggregation terminal When the primary aggregation terminal does not fail, the primary aggregation terminal is configured to acquire the current system time, and obtain the data of the user and the other terminal devices in the group when the current system time of the acquisition reaches the data reporting time point.
  • the data packet is packetized to obtain a first data packet, and the communication interface corresponding to the communication interface type is invoked to report the first data packet to the access node, so that the access is performed.
  • the node reports the first data packet to the convergence unit;
  • the secondary aggregation terminal When the primary aggregation terminal is faulty, the secondary aggregation terminal is configured to acquire the current system time, and obtain the data of the other terminal device in the group when the current system time of the acquisition reaches the data reporting time point. Data packet is obtained to obtain a second data packet, and the communication interface corresponding to the communication interface type is invoked to report the second data packet to the access node, so that the access node reports the second data packet to the Said aggregation unit.
  • the manner in which the access node is configured to receive the report setting information sent by the aggregation unit is specifically:
  • the access node is configured to invoke a first network interface, and receive, by using the first network interface, report sending information that is sent by the aggregation unit;
  • the primary aggregation terminal is configured to acquire the current system time, and obtain the first data packet by acquiring the data of the other terminal device in the group when the current system time of the acquired system reaches the data reporting time point.
  • the manner in which the communication interface corresponding to the communication interface type reports the first data packet to the access node is specifically:
  • the primary aggregation terminal is configured to acquire the current system time, and obtain the first data packet by acquiring the data of the other terminal device in the group and the data packet of the other terminal device in the group when the obtained system time reaches the data reporting time point.
  • the communication interface corresponding to the communication interface type reports the first data packet to the access node, and the communication interface corresponding to the communication interface type is different from the first network interface;
  • the secondary aggregation terminal is configured to acquire a current system time, obtain the data of the other terminal device in the group and obtain the second data packet when the obtained current system time reaches the data reporting time point, and call the second data packet.
  • the manner in which the communication interface corresponding to the communication interface type reports the second data packet to the access node is specifically:
  • the secondary aggregation terminal is configured to acquire a current system time, obtain the data of the other terminal device in the group and obtain the second data packet when the obtained current system time reaches the data reporting time point, and call the second data packet.
  • the communication interface corresponding to the communication interface type reports the second data packet to the access node, and the communication interface corresponding to the communication interface type is different from the first network interface.
  • the method before the access node is configured to receive the report setting information that is sent by the aggregation unit, the method further includes:
  • the access node is further configured to: before receiving the report setting information sent by the aggregation unit, receive configuration information that is sent by the aggregation unit, where the configuration information includes the device type, the data reporting time point, and The communication interface type;
  • the access node is further configured to send the data reporting time point to its wireless network coverage.
  • a terminal device whose device type matches the device type of the configuration information;
  • the terminal device is configured to receive the data reporting time point and save, and activate a communication interface corresponding to the communication interface type.
  • the primary aggregation terminal is configured to acquire a current system time, and obtain the data and the location of the data when the acquired current system time reaches the data reporting time point.
  • the data of the other terminal devices in the group is packaged to obtain the first data packet, and the manner in which the communication interface corresponding to the communication interface type is invoked to report the first data packet to the access node is specifically:
  • the primary aggregation terminal is configured to detect the current system time in real time. When the detected current system time reaches the data collection time point, the data is collected and the data of other terminal devices in the group is obtained to obtain the first data packet; and, When the detected current system time reaches the data reporting time point, the communication interface corresponding to the communication interface type is invoked to report the first data packet to the access node.
  • the secondary aggregation terminal is configured to acquire a current system time, and obtain the data and the location of the data when the acquired current system time reaches the data reporting time point.
  • the data of the other terminal devices in the group is packaged to obtain the second data packet, and the manner in which the communication interface corresponding to the communication interface type is used to report the second data packet to the access node is specifically:
  • the secondary aggregation terminal is configured to detect the current system time in real time. When the detected current system time reaches the data collection time point, the data is collected and the data of other terminal devices in the group is obtained to obtain the second data packet; and, When the detected current system time reaches the data reporting time point, the communication interface corresponding to the communication interface type is invoked to report the second data packet to the access node.
  • the embodiment of the invention has the following beneficial effects:
  • the access node after receiving the report setting information sent by the aggregation unit, divides the terminal device of the device type that matches the report setting information into several groups, each group based on the data reporting time point.
  • a primary aggregation terminal and a secondary aggregation terminal are determined in the group, and the remaining terminal devices are used as member terminals, thereby determining the identity type of the terminal device in the group.
  • the primary aggregation terminal of the group does not fail, the primary aggregation terminal acquires the current system time, and obtains its own data and other terminal devices of the group (including secondary aggregation) when the acquired current system time reaches the data reporting time point.
  • the data of the terminal and the member terminal are packaged to obtain the first data packet, and then sent to the access node via the communication interface corresponding to the communication interface type, and the access node reports to the aggregation unit again; when the primary aggregation terminal of the group fails, The secondary aggregation terminal acquires the current system time, and obtains its own data and its group when the acquired current system time reaches the data reporting time point.
  • the data of the other terminal devices (including the main aggregation terminal and the member terminal) is packaged to obtain the second data packet, and then sent to the access node via the communication interface corresponding to the communication interface type, and the access node reports the information to the aggregation unit.
  • the access node determines that the device type matches the terminal device of the device type specified by the aggregation unit, and then determines the time point of the data reporting of the terminal device, and divides the group and the group.
  • the terminal device of the group is configured with the identity type, and the data of the terminal device in the group is aggregated and reported by the primary aggregation terminal or the secondary aggregation terminal to implement the centralized reporting and the data of all the terminal devices can be reported and reported directly through the specified communication. If the main aggregation terminal does not fail, the primary aggregation terminal aggregates and reports data. When the primary aggregation terminal fails, the secondary aggregation terminal aggregates and reports data to ensure that valuable data can be reported to the aggregation unit. The reliability is high, and it is convenient for the aggregation unit to better manage the Internet of Things.
  • 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 an Internet of Things data communication method according to an embodiment of the present invention
  • FIG. 3 is another schematic flowchart of an Internet of Things data communication method according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of an Internet of Things data communication system according to an embodiment of the present invention.
  • FIG. 5 is another schematic structural diagram of an Internet of Things data communication system according to an embodiment of the present invention.
  • the embodiment of the invention discloses an Internet of Things data communication method, which is used for guaranteeing all terminal devices.
  • the data can be reported and reported in time to improve the reliability of the entire IoT data transmission.
  • Embodiments of the present invention accordingly disclose an Internet of Things data communication system.
  • 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 layer, an access node layer, and an aggregation layer.
  • the terminal 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 access node layer may include a large number of access nodes connected by a network, and the access node may The device includes a router, a repeater, an access point, and the like, which are not limited by the embodiment of the present invention;
  • the access node may use any standard networking protocol, and the access node may implement data parsing between different network standards;
  • the aggregation unit may be configured to perform high-level management on each access node of the access node layer, thereby implementing control of data transmission frequency, network topology, and other networking functions; the aggregation unit may not only generate the Internet of Things for the mass terminal equipment.
  • each access node can provide IoT data receiving and receiving services for a large number of terminal devices within its own wireless network coverage, wherein each access node has its own wireless network coverage.
  • Each terminal device can have a built-in wireless communication module, which enables each access node to communicate wirelessly 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 diagram of an Internet of Things data communication method according to an embodiment of the present invention.
  • an Internet of Things data communication method may include:
  • the access node receives the report setting information that is sent by the aggregation unit, where the report setting information includes an identity type of the group member, a data reporting time point, a device type, and a communication interface type, where the identity type includes a primary aggregation terminal and a secondary aggregation terminal. And member terminals.
  • the identity type of the group member such as the primary aggregation terminal, the secondary aggregation terminal, and the member terminal, is set by the aggregation unit.
  • the main aggregation terminal is used to collect the terminal device data in the aggregation group, and then reported to the aggregation unit in a unified manner; and when the primary aggregation terminal fails (for example, the network failure of uploading data to the access node)
  • the terminal device data in the group is aggregated by the secondary aggregation terminal, and then reported to the aggregation unit in a unified manner to reduce the competition between the terminal devices, so as to improve the success rate of data reporting.
  • the aggregation unit may specify, according to the data reporting time point, the access node to group the terminal devices of a certain device type, and configure the identity type for the terminal devices in the group.
  • the device type specified by the aggregation unit is the device type of the aggregation unit. For example, the aggregation unit considers that the data collected by the terminal device corresponding to the device type of a certain mine is valuable. It is hoped that the terminal devices can be timely and stable. By reporting the data, the technical solution of the invention can be implemented for the mine.
  • the receiving, by the access node, the sending, by the aggregation unit, the sending, by the first network interface, the sending, by the first node, the sending of the setting information sent by the sending unit is provided 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 between the aggregation unit and the aggregation unit. Interaction, the second network interface is used to implement data interaction with the terminal device.
  • the access node invokes the first network interface, and receives the report setting information delivered by the aggregation unit.
  • the second network interface disclosed in the embodiment of the present invention is a communication interface corresponding to the communication interface type.
  • the embodiment of the present invention further includes:
  • the access node receives the configuration information that is sent by the aggregation unit, where the configuration information includes the device type, the data reporting time point, and the communication interface type; and the access node sends the data reporting time point to the device in the wireless network coverage range.
  • the terminal device of the device type whose type matches the configuration information; and the terminal device receives the data reporting time point and saves, and activates the communication interface corresponding to the communication interface type.
  • the data reporting time point of the terminal device is set.
  • the access node divides, according to the data reporting time point, the terminal device of the device type that matches the device type with the device type to the group, and each group includes a primary aggregation terminal.
  • the access 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 terminal, and the other terminal device is configured as the secondary aggregation terminal, and the remaining terminal devices are configured as the member terminals.
  • the access node divides the terminal device of a certain device type into groups according to the data reporting time point. Specifically, the terminal device with the same data reporting time point in the device type can be divided into a group, so that the time points of the reported data are staggered between the groups, and for the same group, the same group can pass The data of all the terminal devices in the aggregation group is reported again, so that all the terminal devices can be reported, so that the valuable data that the aggregation unit pays attention to can be stably reported and the transmission reliability is improved.
  • the access node may select the terminal device with the best performance from the plurality of terminal devices of the group as the primary aggregation terminal, and select the terminal device with the second performance as the secondary aggregation terminal, and the remaining
  • the terminal device is configured as a member terminal.
  • the primary aggregation terminal acquires the current system time, and obtains the data of the other terminal devices in the group when the current system time reaches the data reporting time point.
  • the data packet is sent to the access node by the communication interface corresponding to the type of the communication interface, so that the access node reports the first data packet to the aggregation unit.
  • the other terminal devices in the group in step 203 include the secondary aggregation terminal and the member terminal.
  • the access node divides the terminal devices with the same data reporting time point into a group, and the data collected by the multiple terminal devices is aggregated and reported to the aggregation unit at the same time.
  • the primary aggregation terminal invoking the communication interface corresponding to the communication interface type to report the first data packet to the access node includes: the primary aggregation terminal sends the first data through the second network interface of the access node. The packet is reported to the access node, and the second network interface is a communication interface corresponding to the type of the communication interface.
  • the main aggregation terminal invoking the communication interface corresponding to the communication interface type to report the first data packet to the access node includes: the primary aggregation terminal determines the target transmission frequency band; and establishes a communication connection with the access node in the target transmission frequency band, and The first data packet is reported to the access node by using the communication interface corresponding to the communication interface type.
  • the primary aggregation terminal establishes a communication connection with the access node on the target transmission frequency band, and reports the first data packet to the access node by using the communication interface corresponding to the communication interface type according to the established communication connection, which includes: the primary aggregation terminal Determining the time-frequency resource corresponding to the target transmission band, The first data packet is reported to the access node by using the communication interface corresponding to the communication interface type on the time-frequency resource.
  • the primary aggregation terminal determines the time-frequency resource corresponding to the target transmission frequency band, and reports the first data packet to the access node by using the communication interface corresponding to the communication interface type on the time-frequency resource, specifically: the primary aggregation terminal passes the frequency hopping And determining, by the target transmission frequency band, a frequency domain location of the physical resource block for reporting the first data packet; the primary aggregation terminal corresponding to the time-frequency resource corresponding to the frequency domain location of the determined physical resource block, corresponding to the communication interface type The communication interface reports the first data packet to the access node.
  • the secondary aggregation terminal acquires the current system time, and when the acquired current system time reaches the data reporting time point, obtains its own data and data of other terminal devices in the group to obtain the second data.
  • the packet is sent to the access node by the communication interface corresponding to the type of the communication interface, so that the access node reports the second data packet to the aggregation unit.
  • the other terminal devices in step 204 include a primary aggregation terminal and a member terminal.
  • the secondary aggregation terminal periodically sends a heartbeat data packet to the primary aggregation terminal; when the heartbeat response data packet returned by the primary aggregation terminal is not received within the preset time period, the secondary aggregation terminal determines to monitor the primary convergence.
  • the terminal is faulty, and the second data packet is sent to the access node by the communication interface corresponding to the communication interface type, and the second data packet is sent to the access node.
  • the secondary aggregation terminal can detect that the primary aggregation terminal is faulty in time, so as to replace the aggregation data of the primary aggregation terminal and report the data as soon as possible.
  • the access node acquires the length of time that the primary aggregation terminal does not receive the first data packet, and the access node determines whether the duration is greater than a preset threshold; the access node is longer than the preset threshold. Determining that the primary aggregation terminal is faulty, and sending a notification message to the secondary aggregation terminal, so that the secondary aggregation terminal determines that the primary aggregation terminal is faulty according to the notification message, to perform acquisition of its own data and data packaging of other terminal devices in the group.
  • the second data packet is obtained, and the communication interface corresponding to the communication interface type is called to report the second data packet to the access node, so that the access node reports the second data packet to the aggregation unit.
  • the access node detects whether the primary aggregation terminal has failed, and notifies the secondary aggregation terminal when a failure occurs.
  • the primary aggregation terminal determines that the user has a fault, and notifies the secondary aggregation terminal; Or the primary aggregation terminal detects that it sends the first data packet to the access node. Whether the time is greater than the second threshold, if it is greater than the second threshold, it is determined that the fault has occurred, and the secondary aggregation terminal is notified.
  • the access node after receiving the report setting information sent by the aggregation unit, divides the terminal device of the device type that matches the report setting information into several groups, each group based on the data reporting time point.
  • a primary aggregation terminal and a secondary aggregation terminal are determined in the group, and the remaining terminal devices are used as member terminals, thereby determining the identity type of the terminal device in the group.
  • the primary aggregation terminal of the group does not fail, the primary aggregation terminal acquires the current system time, and obtains its own data and other terminal devices of the group (including secondary aggregation) when the acquired current system time reaches the data reporting time point.
  • the data of the terminal and the member terminal are packaged to obtain the first data packet, and then sent to the access node via the communication interface corresponding to the communication interface type, and the access node reports to the aggregation unit again; when the primary aggregation terminal of the group fails, The secondary aggregation terminal obtains the current system time, and obtains the data of its own data and other terminal devices (including the primary aggregation terminal and the member terminal) of the group in which the current system time arrives at the data reporting time point, and obtains the second package. The data packet is then sent to the access node via the communication interface corresponding to the communication interface type, and the access node reports to the aggregation unit.
  • the access node determines that the device type matches the terminal device of the device type specified by the aggregation unit, and then determines the time point of the data reporting of the terminal device, and divides the group and the group.
  • the terminal device of the group is configured with the identity type, and the data of the terminal device in the group is aggregated and reported by the primary aggregation terminal or the secondary aggregation terminal to implement the centralized reporting and the data of all the terminal devices can be reported and reported directly through the specified communication. If the main aggregation terminal does not fail, the primary aggregation terminal aggregates and reports data. When the primary aggregation terminal fails, the secondary aggregation terminal aggregates and reports data to ensure that valuable data can be reported to the aggregation unit. The reliability is high, and it is convenient for the aggregation unit to better manage the Internet of Things.
  • FIG. 3 is another schematic flowchart of an Internet of Things data communication method according to an embodiment of the present invention. As shown in FIG. 3, an Internet of Things data communication method may include:
  • the access node receives the report setting information sent by the aggregation unit, where the report setting information includes an identity type of the group member, a data reporting time point, a device type, and a communication interface type, where the identity type includes a primary aggregation terminal and a secondary aggregation terminal. And member terminals.
  • the access node after the access node is connected to the network, the access node sends a request for obtaining the report setting information to the aggregation unit, and receives the report setting information sent by the aggregation unit.
  • the access node receives the system update configuration information that is sent by the aggregation unit, and performs system update configuration according to the system update configuration information. After the system update configuration is complete, the access node sends the acquisition report setting information to the aggregation unit. The request and the report setting information sent by the receiving unit.
  • the access node divides, according to the data reporting time point, the terminal device of the device type that matches the device type to the setting information into a plurality of groups, each group includes a primary aggregation terminal, a secondary aggregation terminal, and several member terminals.
  • the device type of the terminal device of each group matches the device type of the report setting information
  • the data reporting time point matches the data reporting time point of the report setting information.
  • the primary aggregation terminal detects the current system time in real time. When the detected current system time reaches the data collection time point, the data is collected and the data of other terminal devices in the group is obtained. A packet of data.
  • the main aggregation terminal reports the first data packet to the access node by calling the communication interface corresponding to the communication interface type when the detected current system time reaches the data reporting time point.
  • the primary aggregation terminal when the primary aggregation terminal determines the current system time matching data reporting time point, the primary aggregation terminal sends an instant weather query request to the access node that carries the device type of the primary aggregation terminal, so as to enable the connection.
  • the ingress node requests the cloud station weather server to match the real-time weather information of the device type of the main aggregation terminal; the main aggregation terminal receives the real-time weather information returned by the access node; and the main aggregation terminal determines whether the real-time weather information matches the weather information of the preset reported data.
  • the communication interface corresponding to the communication interface type is called to report the first data packet to the access node.
  • the secondary aggregation terminal detects the current system time in real time. When the detected current system time reaches the data collection time point, the data is collected and the data of other terminal devices in the group is obtained and packaged to obtain the second. data pack.
  • the secondary aggregation terminal sends the second data packet to the access node by using the communication interface corresponding to the communication interface type when the detected current system time reaches the data reporting time point.
  • the secondary aggregation terminal when the secondary aggregation terminal determines that the acquired current system time matches the preset reporting data, the secondary aggregation terminal sends an instant weather query request for the device type carrying the secondary aggregation terminal to the access node,
  • the access node requests the cloud station weather server to match the real-time weather information of the device type of the secondary aggregation terminal; the secondary aggregation terminal receives the instant weather information returned by the access node; and the secondary aggregation terminal determines whether the instant weather information matches the preset report data.
  • the weather information is sent to the access node by calling the communication interface corresponding to the communication interface type when the weather information is matched with the weather information of the preset report data.
  • the main aggregation terminal in the group detects the current system time in real time, and when the system time reaches the data collection time point, the data is collected and the data of other terminal devices in the group are obtained.
  • the first data packet is then sent to the communication interface corresponding to the communication interface type to report the first data packet when the system time reaches the data reporting time point; when the primary aggregation terminal fails, the secondary aggregation device detects the current system time in real time, in the system Time arrives at data collection During the interval, the data is collected and the data of other terminal devices in the group are obtained to obtain the second data packet, and then when the system time reaches the data reporting time point, the communication interface corresponding to the communication interface type is called to report the second data packet, and the second data packet is used.
  • the valuable data in the Internet of Things can be stably reported and the reliability of data transmission is improved.
  • FIG. 4 is a schematic structural diagram of an Internet of Things data communication system according to an embodiment of the present invention
  • FIG. 5 is another schematic structural diagram of an Internet of Things data communication system according to an embodiment of the present invention
  • an Internet of Things data communication system can include:
  • the access node 410 is configured to receive the report setting information that is sent by the aggregation unit 420, where the report setting information includes an identity type of the group member, a data reporting time point, a device type, and a communication interface type, where the identity type includes the primary aggregation terminal 4301. , the secondary aggregation terminal 4302 and the member terminal 4303;
  • the access node 410 is further configured to divide, according to the data reporting time point, the terminal device 430 of the device type that matches the device type with the device type information into a plurality of groups, each group including a primary aggregation terminal 4301 and a secondary aggregation terminal. 4302 and a plurality of member terminals 4303; wherein the device type of the terminal device 430 of each group matches the device type of the report setting information, and the data reporting time point matches the data reporting time point of the report setting information;
  • the primary aggregation terminal 4301 When the primary aggregation terminal 4301 does not fail, the primary aggregation terminal 4301 is configured to acquire the current system time, and obtain the data of the other terminal device 430 in the group in the group when the current system time of the acquisition reaches the data reporting time point.
  • the first data packet is obtained, and the communication interface corresponding to the communication interface type is called to report the first data packet to the access node 410, so that the access node 410 reports the first data packet to the convergence unit 420;
  • the secondary aggregation terminal 4302 is configured to acquire the current system time.
  • the acquired current system time arrives at the data reporting time point, the data is obtained by acquiring the data of the other terminal device 430 in the group.
  • the second data packet is sent to the access node 410 by the communication interface corresponding to the communication interface type, so that the access node 410 reports the second data packet to the aggregation unit 420.
  • the access node 410 may select the best-optimized terminal device 430 from the plurality of terminal devices 430 of the group to be configured as the primary aggregation terminal 4301, and select the terminal device 430 whose performance is second.
  • the aggregation terminal 4302, the remaining terminal devices 430 are configured as member terminals 4303.
  • the primary aggregation terminal 4301 invoking the communication interface corresponding to the communication interface type to report the first data packet to the access node 410 specifically includes: the second aggregation interface of the primary aggregation terminal 4301 through the access node 410. Reporting the first data packet to the access node 410, the second network
  • the interface is a communication interface corresponding to the type of the communication interface.
  • the reporting, by the main aggregation terminal 4301, the first data packet to the access node 410 by using the communication interface corresponding to the communication interface type includes: the primary aggregation terminal 4301 determines the target transmission frequency band; and establishes with the access node 410 in the target transmission frequency band.
  • the communication connection, and the first data packet is reported to the access node 410 via the communication interface corresponding to the communication interface type based on the established communication connection.
  • the main aggregation terminal 4301 establishes a communication connection with the access node 410 on the target transmission frequency band, and reports the first data packet to the access node 410 by using the communication interface corresponding to the communication interface type based on the established communication connection.
  • the primary aggregation terminal 4301 determines the time-frequency resource corresponding to the target transmission frequency band, and reports the first data packet to the access node 410 on the time-frequency resource through the communication interface corresponding to the communication interface type.
  • the main aggregation terminal 4301 determines the time-frequency resource corresponding to the target transmission frequency band, and reports the first data packet to the access node 410 on the time-frequency resource through the communication interface corresponding to the communication interface type, which includes: the main aggregation terminal 4301 Determining a frequency domain location of the physical resource block for reporting the first data packet from the target transmission frequency band by using a frequency hopping manner; the primary aggregation terminal 4301 passes the time frequency resource corresponding to the frequency domain location of the determined physical resource block The communication interface corresponding to the communication interface type reports the first data packet to the access node 410.
  • the secondary aggregation terminal 4302 periodically sends a heartbeat data packet to the primary aggregation terminal 4303; when the heartbeat response data packet returned by the primary aggregation terminal 4303 is not received within the preset time period, the secondary aggregation terminal 4302 determines The main aggregation terminal 4303 is faulty, and the data of the other terminal device 430 in the group is packaged to obtain the second data packet, and the second data packet is reported and sent through the communication interface corresponding to the communication interface type.
  • the inbound node 410 is configured to cause the access node 410 to report the second data packet to the aggregation unit 420.
  • the secondary aggregation terminal 4302 determines the primary aggregation.
  • the terminal 4303 has not failed.
  • the secondary aggregation terminal 4302 can find that the primary aggregation terminal 4303 is faulty in time to replace the aggregation data of the primary aggregation terminal 4303 and report it as soon as possible.
  • the access node 410 acquires the length of time when the primary aggregation terminal 4303 does not receive the first data packet, and the access node 410 determines whether the duration is greater than a preset threshold; the access node 410 is in the duration.
  • the threshold is greater than the preset threshold, it is determined that the primary aggregation terminal 4303 is faulty, and the secondary aggregation terminal 4302 is sent a notification message, so that the secondary aggregation terminal 4302 determines that the primary aggregation terminal 4303 is faulty according to the notification message, to perform acquisition of its own data and the group.
  • the data of the other terminal devices 430 in the group is packaged to obtain the second data packet, and the second data packet is reported to the access node 410 by the communication interface corresponding to the communication interface type, so that the access node 410 reports the second data packet.
  • the access node 410 detects whether the primary aggregation terminal 4303 has failed, and notifies the secondary aggregation terminal 4302 when a failure occurs.
  • the time that the primary aggregation terminal 4303 receives the data sent by the other terminal device 430 of the group is greater than the first preset. If it is greater than the first preset, it determines that the user has a fault, and notifies the secondary aggregation.
  • the terminal 4302; or the primary aggregation terminal 4303 detects whether the time when the first data packet is sent to the access node 410 is greater than a second threshold. If the second aggregation threshold is greater than the second threshold, it is determined that the fault has occurred, and the secondary aggregation terminal 4302 is notified.
  • the manner in which the access node 410 is configured to receive the report setting information delivered by the aggregation unit 420 is specifically:
  • the access node 410 is configured to invoke the first network interface, and receive, by using the first network interface, the report setting information delivered by the aggregation unit 420.
  • the main aggregation terminal 4301 is configured to acquire the current system time, and obtain the data of the other terminal device 430 in the group and obtain the first data packet when the obtained current system time arrives at the data reporting time point, and the first data packet is obtained through the communication interface.
  • the manner in which the communication interface corresponding to the type reports the first data packet to the access node 410 is specifically:
  • the main aggregation terminal 4301 is configured to acquire the current system time, and obtain the data of the other terminal device 430 in the group and obtain the first data packet when the obtained system time reaches the data reporting time point, and the first data packet is obtained through the communication interface.
  • the communication interface corresponding to the type reports the first data packet to the access node 410;
  • the secondary aggregation terminal 4302 is configured to acquire the current system time, obtain the data of the other terminal device 430 in the group and obtain the second data packet when the obtained current system time reaches the data reporting time point, and the communication interface type is obtained.
  • the manner in which the corresponding communication interface reports the second data packet to the access node 410 is specifically:
  • the secondary aggregation terminal 4302 is configured to acquire the current system time, obtain the data of the other terminal device 430 in the group, and obtain the second data packet through the communication interface when the acquired current system time arrives at the data reporting time point.
  • the communication interface corresponding to the type reports the second data packet to the access node 410.
  • the method further includes:
  • the access node 410 is further configured to receive the configuration information that is sent by the convergence unit 420, and the configuration information includes a device type, a data reporting time point, and a communication interface type, before receiving the report setting information sent by the aggregation unit 420.
  • the access node 410 is further configured to send the data reporting time point to the terminal device 430 of the device type that matches the configuration information of the device type in the wireless network coverage;
  • the terminal device 430 is configured to receive a data reporting time point and save, and activate a communication interface corresponding to the communication interface type.
  • the primary aggregation terminal 4301 is configured to acquire the current system time, obtain the data of the other terminal device 430 in the group, and obtain the data of the other terminal device 430 in the group when the current system time of the acquired system reaches the data reporting time point.
  • the first data packet, the manner in which the communication interface corresponding to the communication interface type is invoked to report the first data packet to the access node 410 is specifically:
  • the main aggregation terminal 4301 is configured to detect the current system time in real time. When the detected current system time reaches the data collection time point, the data is collected and the data of the other terminal devices 430 in the group is obtained to obtain the first data packet; and, When the detected current system time reaches the data reporting time point, the communication interface corresponding to the communication interface type is called to report the first data packet to the access node 410.
  • the primary aggregation terminal 4301 determines the current system time matching data reporting time point, the primary aggregation terminal 4301 sends an instant weather query request to the access node 410 that carries the device type of the primary aggregation terminal 4301.
  • the access node 410 requests the PTZ weather server to match the real-time weather information of the device type of the main aggregation terminal 4301; the main aggregation terminal 4301 receives the real-time weather information returned by the access node 410; the main aggregation terminal 4301 determines whether the real-time weather information is Matching the weather information of the preset report data; the main aggregation terminal 4301, when determining that the weather information matches the weather information of the preset report data, invoking the communication interface corresponding to the communication interface type to report the first data packet to the access node 410.
  • the secondary aggregation terminal 4302 is configured to acquire the current system time, obtain the data of the own terminal device 430, and obtain the data of the other terminal devices 430 in the group when the obtained current system time reaches the data reporting time point.
  • the second data packet, the manner in which the communication interface corresponding to the communication interface type is invoked to report the second data packet to the access node 410 is specifically:
  • the secondary aggregation terminal 4302 is configured to detect the current system time in real time. When the detected current system time reaches the data collection time point, the data is collected and the data of the other terminal devices 430 in the group is obtained to obtain the second data packet; and, When the detected current system time reaches the data reporting time point, the communication interface corresponding to the communication interface type is called to report the second data packet to the access node 410.
  • the secondary aggregation terminal 4302 transmits the instant of the device type carrying the secondary aggregation terminal 4302 to the access node 410.
  • the weather query request is such that the access node 410 requests the cloud station weather server to match the real-time weather information of the device type of the secondary aggregation terminal 4302; the secondary aggregation terminal 4302 receives the instant weather information returned by the access node 410; the secondary aggregation terminal 4302 determines the instant.
  • the secondary aggregation terminal 4302 determines the instant When the weather information matches the weather information of the preset report data, the communication interface corresponding to the communication interface type is called to report the first data packet to the access node 410.
  • 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

La présente invention concerne un système et un procédé de communication de données de l'Internet des objets. Le procédé comprend les étapes suivantes : un nœud d'accès reçoit des informations de réglage de rapport envoyées par une unité de convergence; divise des dispositifs terminaux, dont le type de dispositif correspond au type de dispositif des informations de réglage de rapport, en plusieurs groupes sur la base de points temporels de rapport de données, chaque groupe comprenant un terminal de convergence primaire, un terminal de convergence secondaire et plusieurs terminaux membres; lorsque le terminal de convergence primaire ne tombe pas, le terminal de convergence primaire acquiert, lorsque le point temporel de rapport de données arrive, ses propres données et des données d'autres dispositifs terminaux et les met en paquet afin d'obtenir un premier paquet de données, et invoque une interface de communication correspondant au type d'interface de communication afin de rapporter le premier paquet de données au nœud d'accès; et lorsque le terminal de convergence primaire a échoué, le terminal de convergence secondaire acquiert, lorsque le point temporel de rapport de données arrive, ses propres données et les données d'autres dispositifs terminaux et les met en paquet afin d'obtenir un second paquet de données et invoque l'interface de communication afin de rapporter le second paquet de données au nœud d'accès. L'invention garantit que des données de valeur peuvent être rapportées de manière stable, ce qui permet une meilleur gestion de l'IdO par l'unité de convergence.
PCT/CN2017/100012 2017-06-21 2017-08-31 Système et procédé de communication de données de l'internet des objets WO2018233049A1 (fr)

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