WO2018233050A1 - Method and system for detecting signal intensity of internet of things - Google Patents

Method and system for detecting signal intensity of internet of things Download PDF

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Publication number
WO2018233050A1
WO2018233050A1 PCT/CN2017/100014 CN2017100014W WO2018233050A1 WO 2018233050 A1 WO2018233050 A1 WO 2018233050A1 CN 2017100014 W CN2017100014 W CN 2017100014W WO 2018233050 A1 WO2018233050 A1 WO 2018233050A1
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Prior art keywords
access node
terminal device
beam weight
target terminal
signal
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PCT/CN2017/100014
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French (fr)
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 WO2018233050A1 publication Critical patent/WO2018233050A1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24—Cell structures
    • H04W16/28—Cell structures using beam steering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/318—Received signal strength
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • 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 detecting the strength of an Internet of Things signal.
  • the Internet of Things digitizes and networkes everything through sensors, radio frequency identification technology, positioning technology, etc., and realizes efficient information interaction between items, between objects and between people and the real environment. .
  • the Internet of Things manages a large number of terminal devices.
  • the terminal device uploads the collected data information to the aggregation unit in the wireless network coverage of the access node.
  • the aggregation unit may be interested in data information of different geographical locations or may be temporarily ignored according to specific situations and different time periods. For example, it is desirable that terminal devices in some geographical locations can be timely and stable. Uploading data information will artificially adjust the coverage of the IoT access device to ensure the reliability of data transmission. This adjustment process is cumbersome.
  • the embodiment of the invention discloses a method and a system for detecting the strength of the Internet of Things signal, which are used to solve the problem that the instability of the data transmission is caused by the instability of the IoT signal in the prior art.
  • a first aspect of the present invention discloses a method for detecting an IoT signal strength, which may include:
  • the access node receives the signal reporting indication information sent by the aggregation unit, where the signal reporting indication information includes a signal threshold value and a designated area of the convergence unit;
  • the access node detects a terminal device connected to the access node in the designated area as a target terminal device
  • the access node periodically obtains a Received Signal Strength Indication (RSSI) value of the target terminal device, and obtains an average RSSI of the designated area according to the RSSI value of the target terminal device. value;
  • RSSI Received Signal Strength Indication
  • the access node determines whether the average RSSI value is lower than the signal threshold
  • the access node will target the target when the average RSSI value is lower than the signal threshold
  • the number of terminal devices and the average RSSI value are encapsulated into data packets and sent to the aggregation unit;
  • the aggregation unit adjusts a beam weight of the access node antenna according to the data packet, and sends the beam weight to the access node;
  • the access node adjusts a signal transmission strength of its antenna according to the beam weight.
  • the access node encapsulates the number of the target terminal devices and the average RSSI value into a data packet and sends the data to the convergence unit, where the method Also includes:
  • the access node acquires a geographical map of the designated area, where the geographic map is used to indicate a geographical relationship between the access node and the target terminal device;
  • the access node encapsulates the number of the target terminal devices and the average RSSI value into a data packet and sends the data packet to the aggregation unit, including:
  • the access node encapsulates the number of the target terminal devices, the average RSSI value, and the geographic map into data packets and sends the data packets to the aggregation unit.
  • the aggregation unit adjusts a beam weight of the access node antenna according to the data packet, and sends the beam weight to the Access nodes, including:
  • the aggregation unit acquires an environmental parameter of the designated area, where the environmental parameter includes an air temperature and an air humidity of the designated area;
  • the aggregation unit adjusts a beam weight of the access node antenna according to the data packet and the environment parameter, and sends the beam weight to the access node.
  • the aggregation unit adjusts a beam weight of the access node antenna according to the data packet and the environment parameter, and uses the beam weight The value is sent to the access node, including:
  • the aggregation unit invokes an instant weather interface, and sends an instant weather acquisition request to the real weather server through the instant weather interface, where the instant weather acquisition request includes geographic location information of the designated area;
  • the aggregation unit adjusts according to the data packet, the environmental parameter, and the instant weather information And transforming the beam weight of the access node antenna and transmitting the beam weight to the access node.
  • the access node detects a terminal device that is connected to the access node in the specified area, and the target terminal device includes:
  • the access node broadcasts a detection signal in the designated area, and receives a response signal of the terminal device in the designated area to the detection signal, and identifies the specified area and the connection according to the response signal.
  • the terminal device connected to the node serves as the target terminal device.
  • a second aspect of the present invention discloses a detection system for an Internet of Things signal strength, which may include:
  • the access node is configured to receive signal reporting indication information sent by the aggregation unit, where the signal reporting indication information includes a signal threshold value and a designated area of the convergence unit;
  • the access node is further configured to: detect, as the target terminal device, a terminal device connected to the access node in the specified area;
  • the access node is further configured to: periodically acquire the received signal strength indication RSSI value of the target terminal device, and obtain an average RSSI value of the designated area according to the RSSI value of the target terminal device;
  • the access node is further configured to determine whether the average RSSI value is lower than the signal threshold
  • the access node is further configured to: when the average RSSI value is lower than the signal threshold, encapsulate the number of the target terminal equipment and the average RSSI value into a data packet and send the data packet to the convergence unit;
  • the aggregation unit is configured to adjust a beam weight of the access node antenna according to the data packet, and send the beam weight to the access node;
  • the access node is further configured to adjust a signal transmission strength of the antenna according to the beam weight.
  • the access node is further configured to encapsulate the number of the target terminal devices and the average RSSI value into a data packet and send the data to the aggregation. Obtaining a geographical map of the designated area, where the geographic map is used to indicate a geographical relationship between the access node and the target terminal device;
  • the manner in which the access node is further configured to encapsulate the number of the target terminal devices and the average RSSI value into a data packet and send the data to the aggregation unit is specifically:
  • the access node is further configured to encapsulate the number of the target terminal devices, the average RSSI value, and the geographic map into data packets and send the data to the aggregation unit.
  • the concentrating unit is configured to adjust a beam weight of the access node antenna according to the data packet, and send the beam weight to
  • the manner of the access node is specifically:
  • the aggregation unit is configured to acquire an environmental parameter of the designated area, where the environmental parameter includes air temperature and air humidity of the designated area; and adjusting an antenna of the access node according to the data packet and the environmental parameter a beam weight and transmitting the beam weight to the access node.
  • the concentrating unit is configured to adjust a beam weight of the access node antenna according to the data packet and the environment parameter, and The manner in which the beam weight is sent to the access node is specifically:
  • the aggregation unit is configured to invoke an instant weather interface, and send an instant weather acquisition request to the instant weather server by using the instant weather interface, where the real-time weather acquisition request includes geographic location information of the designated area; Receiving the real-time weather information corresponding to the geographical location information of the designated area returned by the instant weather server; adjusting the beam weight of the access node antenna according to the data packet, the environment parameter, and the instant weather information And transmitting the beam weight to the access node.
  • the access node is further configured to detect a terminal device that is connected to the access node in the specified area, and the manner of the target terminal device is specifically :
  • the access node is further configured to: broadcast a detection signal in the designated area, and receive a response signal of the terminal device in the specified area to the detection signal, and identify, in the specified area, according to the response signal;
  • the terminal device connected to the access node serves as the target terminal device.
  • the embodiment of the invention has the following beneficial effects:
  • the access node first receives the signal reporting indication information sent by the aggregation unit, where the signal indication indication information includes a signal threshold value and a designated area of the convergence unit, and the access node detects the access node in the designated area.
  • the connected terminal device as the target terminal device, the access node periodically acquires the RSSI value of the target terminal device, and then obtains the average RSSI value of the specified region, and when the average RSSI value is lower than the signal threshold, the access node acquires the target.
  • the number of the terminal devices and the average RSSI value are encapsulated into data packets and sent to the aggregation unit.
  • the convergence unit can adjust the beam weight of the access node antenna according to the data packet, and send the beam weight to the access node.
  • Incoming node based on wave The beam weight is used to adjust the signal emission intensity of its antenna to adjust the wireless signal coverage.
  • the access node can detect the change of the signal strength in real time, and when the signal strength is relatively weak, report to the convergence unit, and the convergence unit determines the beam weight for adjusting the signal strength, and accesses
  • the node performs signal strength adjustment based on the beam weight to ensure the stability of the IoT signal and ensure the reliability of data transmission.
  • 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 detecting an IOT signal strength according to an embodiment of the present invention
  • FIG. 3 is another schematic flowchart of a method for detecting an IOT signal strength according to an embodiment of the present invention.
  • FIG. 4 is another schematic flowchart of a method for detecting an IOT signal strength according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of a detection system for an Internet of Things signal strength according to an embodiment of the present invention.
  • the embodiment of the invention discloses a method for detecting the signal strength of the Internet of Things, which is used for periodically detecting the change of the signal strength of the Internet of Things, adjusting the signal strength of the Internet of Things in time, and ensuring the reliability of the data transmission.
  • the embodiment of the invention also discloses a detection system for the IoT signal strength.
  • FIG. 1 is a schematic diagram of an Internet of Things architecture disclosed in some embodiments of the present invention. It should be noted that FIG. 1 is only some implementations of the present invention.
  • the schematic diagram of the disclosed Internet of Things architecture, and other schematic diagrams obtained by optimizing or deforming on the basis of FIG. 1 are all within the scope of protection of the present invention, and are not exemplified herein.
  • the IoT architecture shown in FIG. 1 may include three layers of a terminal device layer, an access node layer, and an aggregation unit layer according to functions.
  • the terminal device layer includes a mass terminal device located at the edge of the Internet of Things, 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, and these massive accesses Nodes can be interconnected by a network (not shown in Figure 1).
  • the access node may be a variety of intermediate devices, such as a router and a repeater, which are not limited in this embodiment of the present invention.
  • the aggregation unit layer may include a convergence unit, wherein the aggregation unit is used as a human-machine interface of the Internet of Things in the Internet of Things architecture, and is used for high-level management of the entire Internet of Things through the access node, including collecting a large number of terminals in a certain period of time.
  • the data reported by the device analyzes and determines the data, and then converts it into a simple warning, abnormal or related report required by the user; the aggregation unit can also obtain the information or configure the terminal device parameters by sending an instruction (at this time, the transmission of the data points to the terminal device)
  • the aggregation unit can also introduce a variety of input services, from big data to social networks, and even from social tools "likes" to weather sharing.
  • the access node can use any standard networking protocol, and the access node can implement data parsing between different network standards; in the IoT architecture shown in Figure 1, each access node can be its own Massive terminal devices within the coverage of the wireless network provide IoT data transceiving services, wherein each terminal device within the coverage of each access node's own wireless network may have a built-in wireless communication module, which makes each access node Wireless communication can be performed by wireless network communication with each terminal device within the coverage of its own wireless network.
  • 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 meets the requirements of China's SRRC standard; alternatively, it can also 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 ⁇ 908MHz to meet the European ETSI standard.
  • the wireless communication module can automatically define the communication frequency band as 918MHz ⁇ 928MHz to meet the requirements of the US FCC standard; or, the communication frequency band of the wireless communication module can also It is defined as a rule that conforms to the Japanese ARIB standard or the Canadian IC standard, and is not limited by 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 detecting an IOT signal strength according to an embodiment of the present invention. As shown in FIG. 2, a method for detecting an IOT signal strength may include:
  • the access node receives the signal reporting indication information sent by the aggregation unit, where the signal reporting indication information includes a signal threshold value and a designated area of the convergence unit.
  • the designated area of the convergence unit may include a certain farm, or a certain area in a certain farm (such as a vegetable cultivation place), a garage, and the like.
  • the aggregation unit is interested in the terminal device in the designated area, and may need to improve the data reporting rate of the terminal device in the designated area, or reduce the data reporting rate of the terminal device in the designated area, and further, need to adjust
  • the wireless range coverage of the access node is intelligently managed to meet the needs of the aggregation unit.
  • the access node detects a terminal device connected to the access node in the specified area as the target terminal device.
  • the access node detects the terminal device connected to the access node in the specified area, and the target terminal device may include:
  • the terminal device in the designated area sends heartbeat data to the access node according to the period, and the access node receives the heartbeat data sent by the terminal device in the designated area, and the access node determines, according to the received heartbeat data, the connection and the connection in the designated area.
  • the terminal device connected to the ingress node serves as the target terminal device.
  • the access node periodically acquires a received signal strength indicator RSSI value of the target terminal device, where The average RSSI value of the specified area is obtained based on the RSSI value of the target terminal device.
  • the access node periodically broadcasts a broadcast message for a period of time in a specified area, and the target terminal device detects the instantaneous RSSI value of the broadcast message, and then obtains an average value of the instantaneous RSSI for a period of time as the RSSI value of the target terminal device. And feeding back the RSSI value to the access node.
  • the average value of the RSSI values of all target terminal devices in the specified area as the average RSSI value of the specified area.
  • the access node determines whether the average RSSI value is lower than a signal threshold. Wherein, when the average RSSI value is lower than the signal threshold, the process proceeds to step 205; when the average RSSI value is higher than or equal to the signal threshold, the process ends.
  • the access node encapsulates the number of target terminal devices and the average RSSI value into a data packet and sends the data packet to the aggregation unit.
  • the aggregation unit adjusts a beam weight of the access node antenna according to the data packet, and sends the beam weight to the access node.
  • the aggregation unit adjusts the beam weight of the access node antenna according to the number of target terminal devices in the data packet and the average RSSI value of all target terminal devices. For example, when the number of target terminal devices is large, and the average RSSI value of the target terminal device is lower than a preset value, the beam weight of the access node antenna can be adjusted, so that the signal transmitted by the access node antenna can be better. Covering the target terminal device; or adjusting the beam weight of the access node antenna to improve the strength of the signal transmitted by the access node antenna, so as to focus on the target terminal device to ensure the signal strength of the target terminal device.
  • the access node adjusts a signal transmission strength of the antenna according to the beam weight.
  • the access node first receives the signal reporting indication information sent by the aggregation unit, where the signal indication indication information includes a signal threshold value and a designated area of the convergence unit, and the access node detects the access node in the designated area.
  • the connected terminal device as the target terminal device, the access node periodically acquires the RSSI value of the target terminal device, and then obtains the average RSSI value of the specified region, and when the average RSSI value is lower than the signal threshold, the access node acquires the target.
  • the number of the terminal devices and the average RSSI value are encapsulated into data packets and sent to the aggregation unit.
  • the convergence unit can adjust the beam weight of the access node antenna according to the data packet, and send the beam weight to the access node.
  • the ingress node adjusts the signal transmission strength of its antenna according to the beam weight, thereby adjusting the coverage of the wireless signal. It can be seen that, in the embodiment of the present invention, the access node can detect the change of the signal strength in real time, and the signal is strong. When the degree is weak, it is reported to the aggregation unit, and the convergence unit determines the beam weight for adjusting the signal strength. The access node adjusts the signal strength according to the beam weight to ensure the stability of the IoT signal and ensure reliable data transmission. Sex.
  • FIG. 3 is another schematic flowchart of a method for detecting an IOT signal strength according to an embodiment of the present invention. As shown in FIG. 3, a method for detecting an IOT signal strength may include:
  • the access node receives the signal reporting indication information sent by the aggregation unit, where the signal indication information includes a signal threshold value and a designated area of the convergence unit.
  • the access node broadcasts the detection signal in the designated area, and receives the response signal of the terminal device in the specified area to the detection signal, and identifies the terminal device connected to the access node in the designated area as the target terminal device according to the response signal.
  • the access node periodically obtains a received signal strength indication RSSI value of the target terminal device, and obtains an average RSSI value of the designated area according to the RSSI value of the target terminal device.
  • the access node determines whether the average RSSI value is lower than a signal threshold. Wherein, when the average RSSI value is lower than the signal threshold, the process proceeds to step 305; when the average RSSI value is higher than or equal to the signal threshold, the process ends.
  • the access node acquires a geographic schematic diagram of the designated area, where the geographic schematic diagram is used to indicate a geographical relationship between the access node and the target terminal device.
  • the access node encapsulates the number of target terminal devices, the average RSSI value, and the geographic map into data packets and sends the data to the aggregation unit.
  • the aggregation unit adjusts a beam weight of the access node antenna according to the data packet, and sends the beam weight to the access node.
  • the aggregation unit adjusts the beam weight of the access node antenna according to the number of target terminal devices in the data packet, the average RSSI value of the target terminal device, and the geographical map. For example, when the number of target terminal devices is large, and the average RSSI value of the target terminal device is lower than a preset value, the beam weight of the access node antenna can be adjusted, so that the signal transmitted by the access node antenna can be better. Covering the target terminal device; or adjusting the beam weight of the access node antenna to improve the strength of the signal transmitted by the access node antenna, so as to focus on the target terminal device to ensure the signal strength of the target terminal device.
  • the access node adjusts a signal transmission strength of the antenna according to the beam weight.
  • the access node first receives the signal reporting indication information sent by the aggregation unit, where the signal indication indication information includes a signal threshold value and a designated area of the convergence unit, and the access node detects the access node in the designated area.
  • the connected terminal device as the target terminal device, the access node periodically acquires the RSSI value of the target terminal device, and then obtains the average RSSI value of the designated area, and when the average RSSI value is lower than the signal threshold, the access node acquires the designated The geographical map of the area, and then the access node obtains the number of target terminal devices and the average RSSI value, and the geographic map of the designated area is encapsulated into a data packet and sent to the aggregation unit, and then, the aggregation unit can adjust the access node antenna according to the data packet.
  • the beam weight is sent to the access node, and the access node adjusts the signal transmission intensity of the antenna according to the beam weight, thereby adjusting the coverage of the wireless signal.
  • the average RSSI value of the Internet of Things is periodically obtained, and then the beam weight of the access node is determined according to the average RSSI value to periodically adjust the signal strength according to the beam weight to ensure the Internet of Things.
  • the stability of the signal ensures the reliability of data transmission.
  • FIG. 4 is another schematic flowchart of a method for detecting an IOT signal strength according to an embodiment of the present invention. As shown in FIG. 4, a method for detecting an IOT signal strength may include:
  • the access node receives the signal reporting indication information sent by the aggregation unit, where the signal reporting indication information includes a signal threshold value and a designated area of the convergence unit.
  • the access node detects a terminal device connected to the access node in the specified area as the target terminal device.
  • the access node periodically obtains a received signal strength indication RSSI value of the target terminal device, and obtains an average RSSI value of the designated area according to the RSSI value of the target terminal device.
  • the access node determines whether the average RSSI value is lower than a signal threshold. Wherein, when the average RSSI value is lower than the signal threshold, the process proceeds to step 405; when the average RSSI value is higher than or equal to the signal threshold, the process ends.
  • the access node encapsulates the number of target terminal devices and the average RSSI value into a data packet and sends the data to the aggregation unit.
  • the aggregation unit acquires an environmental parameter of the designated area, where the environmental parameter includes an air temperature and an air humidity of the designated area.
  • the aggregation unit adjusts a beam weight of the access node antenna according to the data packet and the environment parameter, and sends the beam weight to the access node.
  • the aggregation unit adjusts the beam weight of the access node antenna according to the data packet and the environment parameter, and sends the beam weight to the access node, including:
  • the aggregation unit invokes an instant weather interface, and sends an instant weather acquisition request to the instant weather server through the instant weather interface, where the instant weather acquisition request includes geographic location information of the designated area;
  • the aggregation unit receives the real-time weather information corresponding to the geographical location information of the designated area returned by the real-time weather server through the instant weather interface;
  • the aggregation unit adjusts the beam weight of the access node antenna according to the data packet, the environmental parameter, and the real-time weather information, and sends the beam weight to the access node.
  • the access node acquires a geographical map of the designated area, where the geographic map is used to indicate a geographical relationship between the access node and the target terminal device;
  • the access node encapsulates the number of target terminal devices, the average RSSI value of the target terminal device, and the geographic map into data packets and sends them to the aggregation unit.
  • the aggregation unit invokes an instant weather interface, and sends an instant weather acquisition request to the instant weather server through the instant weather interface, the instant weather acquisition request includes geographic location information of the designated area; the aggregation unit receives the instant weather through the instant weather interface.
  • the convergence unit can further combine the real-time weather information to determine whether the average RSSI value is affected by the weather to reasonably adjust the beam weight of the access node antenna.
  • the access node adjusts a signal transmission strength of the antenna according to the beam weight.
  • the aggregation unit can determine whether the average RSSI value is affected by the weather according to the environmental parameter of the designated area, to reasonably adjust the beam weight of the access node antenna, and periodically adjust the wireless network coverage of the access node. Range and wireless signal strength for more efficient IoT intelligent monitoring and management.
  • FIG. 5 is a schematic structural diagram of a detection system for an Internet of Things signal strength according to an embodiment of the present invention.
  • an apparatus for detecting an IOT signal strength may include:
  • the access node 510 is configured to receive the signal reporting indication information that is sent by the aggregation unit 520, where the signal reporting indication information includes a signal threshold value and a designated area of the convergence unit 520.
  • the access node 510 is further configured to: detect, as the target terminal device, the terminal device 530 connected to the access node 510 in the specified area;
  • the access node 510 is further configured to periodically acquire the received signal strength indication RSSI value of the target terminal device, and obtain an average RSSI value of the designated area according to the RSSI value of the target terminal device.
  • the access node 510 is further configured to determine whether the average RSSI value is lower than the signal threshold;
  • the access node 510 is further configured to: when the average RSSI value is lower than the signal threshold, the number of target terminal devices and the average RSSI value are encapsulated into a data packet and sent to the convergence unit 520;
  • the aggregation unit 520 is configured to adjust the beam weight of the antenna of the access node 510 according to the data packet, and send the beam weight to the access node 510;
  • the access node 510 is further configured to adjust the signal transmission strength of the antenna according to the beam weight.
  • the access node 510 is configured to periodically broadcast a broadcast message for a period of time in a specified area, and the target terminal device detects an instantaneous RSSI value of the broadcast message, and then obtains an average value of the instantaneous RSSI for a period of time as a target terminal device. The RSSI value and feed back the RSSI value to the access node.
  • the access node 510 is further configured to detect the terminal device 530 that is connected to the access node 510 in the specified area.
  • the access node 510 is further configured to: broadcast a detection signal in the designated area, and receive a response signal of the terminal device 530 in the specified area to the detection signal, and identify the terminal device 530 connected to the access node 510 in the designated area according to the response signal, As the target terminal device.
  • the access node 510 is further configured to detect the terminal device 530 that is connected to the access node 510 in the specified area.
  • the terminal device 530 in the designated area sends the heartbeat data to the access node 510 according to the period, the access node 510 receives the heartbeat data sent by the terminal device 530 in the designated area, and the access node 510 determines the heartbeat data according to the received heartbeat data.
  • a terminal connected to the access node 510 in the designated area Device 530 acts as the target terminal device.
  • the access node 510 is further configured to acquire a geographic map of the specified area before the number of target terminal devices and the average RSSI value are encapsulated into the data packet and sent to the aggregation unit 520. Instructing a geographical relationship between the access node 510 and the target terminal device;
  • the manner in which the access node 510 is further configured to encapsulate the number of target terminal devices and the average RSSI value into a data packet and send the data to the aggregation unit 520 is specifically:
  • the access node 510 is further configured to encapsulate the number of target terminal devices, the average RSSI value, and the geographic map into data packets and send the data to the aggregation unit 520.
  • the aggregation unit 520 is configured to adjust, according to the data packet, a beam weight of the antenna of the access node 510, and send the beam weight to the access node 510 by using:
  • the aggregation unit 520 is configured to acquire an environment parameter of the specified area, where the environment parameter includes an air temperature and an air humidity of the designated area; adjust a beam weight of the antenna of the access node 510 according to the data packet and the environment parameter, and send the beam weight to the connection Into node 510.
  • the aggregation unit 520 is configured to adjust the beam weight of the antenna of the access node 510 according to the data packet and the environment parameter, and send the beam weight to the access node 510 by using:
  • the aggregation unit 520 is configured to invoke an instant weather interface, and send an instant weather acquisition request to the instant weather server through an instant weather interface, where the real-time weather acquisition request includes geographic location information of the designated area; and the instant weather interface receives the designated area returned by the instant weather server.
  • the real-time weather information corresponding to the geographic location information; adjusting the beam weight of the antenna of the access node 510 according to the data packet, the environmental parameter, and the real-time weather information, and transmitting the beam weight to the access node 510.
  • the access node 510 in the designated area of the aggregation unit 520 can flexibly adjust the wireless network coverage of the access node 510 to implement intelligent monitoring and management 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 Electronic Erasing Electrically-Erasable Programmable Read-Only Memory
  • CD-ROM Compact Disc Read-Only Memory

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Abstract

The embodiments of the present invention relate to the technical field of the Internet of Things, and disclosed thereby are a method and system for detecting the signal intensity of an Internet of Things, the method comprising: an access node receives signal reporting indication information issued by a convergence unit, detects terminal devices connected to the access node within a specified area to serve as target terminal devices, periodically obtains received signal strength indication (RSSI) values of the target terminal devices, obtains an average RSSI value of the specified area on the basis of the RSSI values, and packages the number of target terminal devices and the average RSSI value into a data packet and sends the data packet to the convergence unit when the average RSSI value is lower than a signal threshold of the signal reporting indication information; the convergence unit adjusts a beam weight of an antenna of the access node according to the data packet, and sends the beam weight to the access node; and the access node adjusts the signal transmitting intensity of the antenna according to the wave beam weight. The present invention is used for periodically adjusting signal intensity so as to ensure the signal stability of an Internet of Things and ensure the reliability of data transmission.

Description

一种物联网信号强度的检测方法及系统Method and system for detecting signal strength of internet of things 技术领域Technical field
本发明涉及物联网技术领域，具体涉及一种物联网信号强度的检测方法及系统。The present invention relates to the field of Internet of Things technologies, and in particular, to a method and system for detecting the strength of an Internet of Things signal.
背景技术Background technique
物联网(Internet of Things，简称IOF)通过传感器、射频识别技术、定位技术等将一切事物数字化、网络化，在物品之间、物品与人之间、人与现实环境之间实现高效信息交互方式。物联网管理着海量终端设备，终端设备在接入节点的无线网络覆盖中，将采集到的数据信息上传给汇聚单元。汇聚单元在监控和管理整个物联网过程中，根据具体情况和不同时间段，会对不同地理位置的数据信息比较感兴趣或者可以暂时忽略，比如希望一些地理位置中的终端设备能够及时并且稳定地上传数据信息，会通过人为地调整物联网接入设备的覆盖范围，以保证数据传输的可靠性，这个调整过程比较繁琐。The Internet of Things (IOF) digitizes and networkes everything through sensors, radio frequency identification technology, positioning technology, etc., and realizes efficient information interaction between items, between objects and between people and the real environment. . The Internet of Things manages a large number of terminal devices. The terminal device uploads the collected data information to the aggregation unit in the wireless network coverage of the access node. In the process of monitoring and managing the entire Internet of Things, the aggregation unit may be interested in data information of different geographical locations or may be temporarily ignored according to specific situations and different time periods. For example, it is desirable that terminal devices in some geographical locations can be timely and stable. Uploading data information will artificially adjust the coverage of the IoT access device to ensure the reliability of data transmission. This adjustment process is cumbersome.
发明内容Summary of the invention
本发明实施例公开了一种物联网信号强度的检测方法及系统，用于解决现有技术中物联网信号不稳定导致数据传输不稳定的问题。The embodiment of the invention discloses a method and a system for detecting the strength of the Internet of Things signal, which are used to solve the problem that the instability of the data transmission is caused by the instability of the IoT signal in the prior art.
本发明第一方面公开了一种物联网信号强度的检测方法，可包括：A first aspect of the present invention discloses a method for detecting an IoT signal strength, which may include:
接入节点接收汇聚单元下发的信号上报指示信息，所述信号上报指示信息包括信号门限值和所述汇聚单元的指定区域；The access node receives the signal reporting indication information sent by the aggregation unit, where the signal reporting indication information includes a signal threshold value and a designated area of the convergence unit;
所述接入节点检测所述指定区域内与所述接入节点连接的终端设备，作为目标终端设备；The access node detects a terminal device connected to the access node in the designated area as a target terminal device;
所述接入节点周期性获取所述目标终端设备的接收信号强度指示(Received Signal Strength Indication，简称RSSI)值，并以所述目标终端设备的RSSI值为依据，获取所述指定区域的平均RSSI值；The access node periodically obtains a Received Signal Strength Indication (RSSI) value of the target terminal device, and obtains an average RSSI of the designated area according to the RSSI value of the target terminal device. value;
所述接入节点判断所述平均RSSI值是否低于所述信号门限值；The access node determines whether the average RSSI value is lower than the signal threshold;
所述接入节点在所述平均RSSI值低于所述信号门限值时，将所述目标 终端设备的数量和所述平均RSSI值封装成数据包并发送给汇聚单元；The access node will target the target when the average RSSI value is lower than the signal threshold The number of terminal devices and the average RSSI value are encapsulated into data packets and sent to the aggregation unit;
所述汇聚单元根据所述数据包，调整所述接入节点天线的波束权值，并将所述波束权值发送给所述接入节点；The aggregation unit adjusts a beam weight of the access node antenna according to the data packet, and sends the beam weight to the access node;
所述接入节点根据所述波束权值调整其天线的信号发射强度。The access node adjusts a signal transmission strength of its antenna according to the beam weight.
作为一种可选的实施方式，在本发明第一方面中，所述接入节点将所述目标终端设备的数量和所述平均RSSI值封装成数据包并发送给汇聚单元之前，所述方法还包括：As an optional implementation manner, in the first aspect of the present invention, the access node encapsulates the number of the target terminal devices and the average RSSI value into a data packet and sends the data to the convergence unit, where the method Also includes:
所述接入节点获取所述指定区域的地理示意图，所述地理示意图用于指示所述接入节点与所述目标终端设备的地理位置关系；The access node acquires a geographical map of the designated area, where the geographic map is used to indicate a geographical relationship between the access node and the target terminal device;
所述接入节点将所述目标终端设备的数量和所述平均RSSI值封装成数据包并发送给汇聚单元，包括：The access node encapsulates the number of the target terminal devices and the average RSSI value into a data packet and sends the data packet to the aggregation unit, including:
所述接入节点将所述目标终端设备的数量、所述平均RSSI值和所述地理示意图封装成数据包并发送给所述汇聚单元。The access node encapsulates the number of the target terminal devices, the average RSSI value, and the geographic map into data packets and sends the data packets to the aggregation unit.
作为一种可选的实施方式，在本发明第一方面中，所述汇聚单元根据所述数据包，调整所述接入节点天线的波束权值，并将所述波束权值发送给所述接入节点，包括：As an optional implementation manner, in the first aspect of the present invention, the aggregation unit adjusts a beam weight of the access node antenna according to the data packet, and sends the beam weight to the Access nodes, including:
所述汇聚单元获取所述指定区域的环境参数，所述环境参数包括所述指定区域的空气温度和空气湿度；The aggregation unit acquires an environmental parameter of the designated area, where the environmental parameter includes an air temperature and an air humidity of the designated area;
所述汇聚单元根据所述数据包和所述环境参数，调整所述接入节点天线的波束权值，并将所述波束权值发送给所述接入节点。The aggregation unit adjusts a beam weight of the access node antenna according to the data packet and the environment parameter, and sends the beam weight to the access node.
作为一种可选的实施方式，在本发明第一方面中，所述汇聚单元根据所述数据包和所述环境参数，调整所述接入节点天线的波束权值，并将所述波束权值发送给所述接入节点，包括：As an optional implementation manner, in the first aspect of the present invention, the aggregation unit adjusts a beam weight of the access node antenna according to the data packet and the environment parameter, and uses the beam weight The value is sent to the access node, including:
所述汇聚单元调用即时天气接口，通过所述即时天气接口向即时天气服务器发送即时天气获取请求，所述即时天气获取请求包括所述指定区域的地理位置信息；The aggregation unit invokes an instant weather interface, and sends an instant weather acquisition request to the real weather server through the instant weather interface, where the instant weather acquisition request includes geographic location information of the designated area;
所述汇聚单元通过所述即时天气接口，接收所述即时天气服务器返回的所述指定区域的地理位置信息对应的即时天气信息；Receiving, by the instant messaging interface, the real-time weather information corresponding to the geographical location information of the designated area returned by the instant weather server;
所述汇聚单元根据所述数据包、所述环境参数和所述即时天气信息，调 整所述接入节点天线的波束权值，并将所述波束权值发送给所述接入节点。The aggregation unit adjusts according to the data packet, the environmental parameter, and the instant weather information And transforming the beam weight of the access node antenna and transmitting the beam weight to the access node.
作为一种可选的实施方式，在本发明第一方面中，所述接入节点检测所述指定区域内与所述接入节点连接的终端设备，作为目标终端设备包括：As an optional implementation manner, in the first aspect of the present invention, the access node detects a terminal device that is connected to the access node in the specified area, and the target terminal device includes:
所述接入节点在所述指定区域内广播检测信号，以及接收所述指定区域内的终端设备对所述检测信号的响应信号，根据所述响应信号识别出所述指定区域内与所述接入节点连接的终端设备，作为所述目标终端设备。The access node broadcasts a detection signal in the designated area, and receives a response signal of the terminal device in the designated area to the detection signal, and identifies the specified area and the connection according to the response signal. The terminal device connected to the node serves as the target terminal device.
本发明第二方面公开了一种物联网信号强度的检测系统，可包括：A second aspect of the present invention discloses a detection system for an Internet of Things signal strength, which may include:
接入节点，用于接收汇聚单元下发的信号上报指示信息，所述信号上报指示信息包括信号门限值和所述汇聚单元的指定区域；The access node is configured to receive signal reporting indication information sent by the aggregation unit, where the signal reporting indication information includes a signal threshold value and a designated area of the convergence unit;
所述接入节点还用于，检测所述指定区域内与所述接入节点连接的终端设备，作为目标终端设备；The access node is further configured to: detect, as the target terminal device, a terminal device connected to the access node in the specified area;
所述接入节点还用于，周期性获取所述目标终端设备的接收信号强度指示RSSI值，并以所述目标终端设备的RSSI值为依据，获取所述指定区域的平均RSSI值；The access node is further configured to: periodically acquire the received signal strength indication RSSI value of the target terminal device, and obtain an average RSSI value of the designated area according to the RSSI value of the target terminal device;
所述接入节点还用于，判断所述平均RSSI值是否低于所述信号门限值；The access node is further configured to determine whether the average RSSI value is lower than the signal threshold;
所述接入节点还用于，在所述平均RSSI值低于所述信号门限值时，将所述目标终端设备的数量和所述平均RSSI值封装成数据包并发送给汇聚单元；The access node is further configured to: when the average RSSI value is lower than the signal threshold, encapsulate the number of the target terminal equipment and the average RSSI value into a data packet and send the data packet to the convergence unit;
所述汇聚单元用于，根据所述数据包调整所述接入节点天线的波束权值，并将所述波束权值发送给所述接入节点；The aggregation unit is configured to adjust a beam weight of the access node antenna according to the data packet, and send the beam weight to the access node;
所述接入节点还用于，根据所述波束权值调整其天线的信号发射强度。The access node is further configured to adjust a signal transmission strength of the antenna according to the beam weight.
作为一种可选的实施方式，在本发明第二方面中，所述接入节点还用于在将所述目标终端设备的数量和所述平均RSSI值封装成数据包并发送给所述汇聚单元之前，获取所述指定区域的地理示意图，所述地理示意图用于指示所述接入节点与所述目标终端设备的地理位置关系；As an optional implementation manner, in the second aspect of the present invention, the access node is further configured to encapsulate the number of the target terminal devices and the average RSSI value into a data packet and send the data to the aggregation. Obtaining a geographical map of the designated area, where the geographic map is used to indicate a geographical relationship between the access node and the target terminal device;
所述接入节点还用于将所述目标终端设备的数量和所述平均RSSI值封装成数据包并发送给汇聚单元的方式具体为：The manner in which the access node is further configured to encapsulate the number of the target terminal devices and the average RSSI value into a data packet and send the data to the aggregation unit is specifically:
所述接入节点还用于将所述目标终端设备的数量、所述平均RSSI值和所述地理示意图封装成数据包并发送给所述汇聚单元。 The access node is further configured to encapsulate the number of the target terminal devices, the average RSSI value, and the geographic map into data packets and send the data to the aggregation unit.
作为一种可选的实施方式，在本发明第二方面中，所述汇聚单元用于根据所述数据包，调整所述接入节点天线的波束权值，并将所述波束权值发送给所述接入节点的方式具体为：As an optional implementation manner, in a second aspect of the present disclosure, the concentrating unit is configured to adjust a beam weight of the access node antenna according to the data packet, and send the beam weight to The manner of the access node is specifically:
所述汇聚单元用于获取所述指定区域的环境参数，所述环境参数包括所述指定区域的空气温度和空气湿度；根据所述数据包和所述环境参数，调整所述接入节点天线的波束权值，并将所述波束权值发送给所述接入节点。The aggregation unit is configured to acquire an environmental parameter of the designated area, where the environmental parameter includes air temperature and air humidity of the designated area; and adjusting an antenna of the access node according to the data packet and the environmental parameter a beam weight and transmitting the beam weight to the access node.
作为一种可选的实施方式，在本发明第二方面中，所述汇聚单元用于根据所述数据包和所述环境参数，调整所述接入节点天线的波束权值，并将所述波束权值发送给所述接入节点的方式具体为：As an optional implementation manner, in a second aspect of the present disclosure, the concentrating unit is configured to adjust a beam weight of the access node antenna according to the data packet and the environment parameter, and The manner in which the beam weight is sent to the access node is specifically:
所述汇聚单元用于调用即时天气接口，通过所述即时天气接口向即时天气服务器发送即时天气获取请求，所述即时天气获取请求包括所述指定区域的地理位置信息；通过所述即时天气接口，接收所述即时天气服务器返回的所述指定区域的地理位置信息对应的即时天气信息；根据所述数据包、所述环境参数和所述即时天气信息，调整所述接入节点天线的波束权值，并将所述波束权值发送给所述接入节点。The aggregation unit is configured to invoke an instant weather interface, and send an instant weather acquisition request to the instant weather server by using the instant weather interface, where the real-time weather acquisition request includes geographic location information of the designated area; Receiving the real-time weather information corresponding to the geographical location information of the designated area returned by the instant weather server; adjusting the beam weight of the access node antenna according to the data packet, the environment parameter, and the instant weather information And transmitting the beam weight to the access node.
作为一种可选的实施方式，在本发明第二方面中，所述接入节点还用于检测所述指定区域内与所述接入节点连接的终端设备，作为目标终端设备的方式具体为：As an optional implementation manner, in the second aspect of the present invention, the access node is further configured to detect a terminal device that is connected to the access node in the specified area, and the manner of the target terminal device is specifically :
所述接入节点还用于在所述指定区域内广播检测信号，以及接收所述指定区域内的终端设备对所述检测信号的响应信号，根据所述响应信号识别出所述指定区域内与所述接入节点连接的终端设备，作为所述目标终端设备。The access node is further configured to: broadcast a detection signal in the designated area, and receive a response signal of the terminal device in the specified area to the detection signal, and identify, in the specified area, according to the response signal; The terminal device connected to the access node serves as the target terminal device.
与现有技术相比，本发明实施例具有以下有益效果：Compared with the prior art, the embodiment of the invention has the following beneficial effects:
在本发明实施例中，接入节点先接收汇聚单元下发的信号上报指示信息，该信号上报指示信息包括信号门限值和汇聚单元的指定区域，接入节点检测指定区域内的接入节点连接的终端设备，作为目标终端设备，接入节点周期性获取目标终端设备的RSSI值，然后获取指定区域的平均RSSI值，并在平均RSSI值低于信号门限值时，接入节点获取目标终端设备的数量和平均RSSI值封装成数据包并发送给汇聚单元，进而，汇聚单元可以根据数据包，调整接入节点天线的波束权值，并将波束权值发送给接入节点，由接入节点根据波 束权值来调整其天线的信号发射强度，从而调整无线信号覆盖范围。可以看出，在本发明实施例中，接入节点能够实时检测信号强度的变化，在信号强度比较弱时，上报给汇聚单元，由汇聚单元确定用于调整信号强度的波束权值，接入节点根据波束权值进行信号强度调整，以确保物联网信号的稳定性，确保数据传输的可靠性。In the embodiment of the present invention, the access node first receives the signal reporting indication information sent by the aggregation unit, where the signal indication indication information includes a signal threshold value and a designated area of the convergence unit, and the access node detects the access node in the designated area. The connected terminal device, as the target terminal device, the access node periodically acquires the RSSI value of the target terminal device, and then obtains the average RSSI value of the specified region, and when the average RSSI value is lower than the signal threshold, the access node acquires the target. The number of the terminal devices and the average RSSI value are encapsulated into data packets and sent to the aggregation unit. The convergence unit can adjust the beam weight of the access node antenna according to the data packet, and send the beam weight to the access node. Incoming node based on wave The beam weight is used to adjust the signal emission intensity of its antenna to adjust the wireless signal coverage. It can be seen that, in the embodiment of the present invention, the access node can detect the change of the signal strength in real time, and when the signal strength is relatively weak, report to the convergence unit, and the convergence unit determines the beam weight for adjusting the signal strength, and accesses The node performs signal strength adjustment based on the beam weight to ensure the stability of the IoT signal and ensure the reliability of data transmission.
附图说明DRAWINGS
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings to be used in the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without paying any creative work.
图1为本发明一些实施例公开的物联网架构示意图；1 is a schematic diagram of an Internet of Things architecture disclosed by some embodiments of the present invention;
图2为本发明实施例公开的物联网信号强度的检测方法的流程示意图；2 is a schematic flowchart of a method for detecting an IOT signal strength according to an embodiment of the present invention;
图3为本发明实施例公开的物联网信号强度的检测方法的另一流程示意图；3 is another schematic flowchart of a method for detecting an IOT signal strength according to an embodiment of the present invention;
图4为本发明实施例公开的物联网信号强度的检测方法的另一流程示意图；4 is another schematic flowchart of a method for detecting an IOT signal strength according to an embodiment of the present invention;
图5为本发明实施例公开的物联网信号强度的检测系统的结构示意图。FIG. 5 is a schematic structural diagram of a detection system for an Internet of Things signal strength according to an embodiment of the present invention.
具体实施方式Detailed ways
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.
需要说明的是，本发明实施例的术语“包括”和“具有”以及他们的任何变形，意图在于覆盖不排他的包含，例如，包含了一系列步骤或单元的过程、方法、系统、产品或设备不必限于清楚地列出的那些步骤或单元，而是可包括没有清楚地列出的或对于这些过程、方法、产品或设备固有的其它步骤或单元。 It should be noted that the terms "comprising" and "having", and any variations thereof, are intended to cover a non-exclusive inclusion, for example, a process, method, system, product or process comprising a series of steps or units. The apparatus is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not explicitly listed or inherent to such procedures, methods, products, or devices.
本发明实施例公开了一种物联网信号强度的检测方法，用于周期性检测物联网信号强度变化，及时调整物联网信号强度，确保数据传输的可靠性。本发明实施例还公开了一种物联网信号强度的检测系统。The embodiment of the invention discloses a method for detecting the signal strength of the Internet of Things, which is used for periodically detecting the change of the signal strength of the Internet of Things, adjusting the signal strength of the Internet of Things in time, and ensuring the reliability of the data transmission. The embodiment of the invention also discloses a detection system for the IoT signal strength.
在介绍本发明技术方案之前，先简单介绍本发明一些实施例公开的物联网架构，图1为本发明一些实施例公开的物联网架构示意图，需要说明的是，图1仅为本发明一些实施例公开的物联网架构示意图，其它在图1基础上进行优化或者变形得到的示意图均属于本发明的保护范围，在此不再一一举例。图1所示的物联网架构按照功能划分可以包括终端设备层、接入节点层以及汇聚单元层三个层。其中，终端设备层包括位于物联网边缘的海量终端设备，例如湿度计、烟感器、通风设备、雨量传感器、灌溉阀等等；接入节点层可以包括大量接入节点，这些大量的接入节点之间可以通过网络互联(图1未全部示出)。在接入节点层中，接入节点可以是路由器、中继器等各种中间设备，本发明实施例不作限定。汇聚单元层可以包括汇聚单元，其中，汇聚单元在这种物联网架构中用作物联网的人机接口，用于通过接入节点对整个物联网进行高层管理，包括收集某段时间内的海量终端设备上报的数据，对数据进行分析和决策，然后转化成为用户需要的简单预警、异常或者相关报告；汇聚单元还可以通过发指令去获取信息或者配置终端设备参数(此时数据的传输指向终端设备)；汇聚单元还可以引入各种输入业务，从大数据到社交网络、甚至从社交工具“点赞”到天气分享等。另外，接入节点可以使用任何标准的组网协议，而且接入节点可以在不同的网络制式之间实现数据解析；在图1所示的物联网架构中，每一个接入节点可以为其自身无线网络所覆盖范围内的海量终端设备提供物联网数据收发服务，其中，每一个接入节点自身无线网络所覆盖范围内的每一个终端设备可以内置有无线通讯模块，这使得每一个接入节点可以通过无线网络通讯方式与自身无线网络所覆盖范围内的每一个终端设备进行无线通讯。在图1所示的物联网架构中，终端设备内置的无线通讯模块在生产时，可以输入上频点470MHz，下频点510MHz，这样无线通讯模块可以自动将通讯频段定义为470MHz～510MHz，以符合中国SRRC标准的规定；或者，也可以输入上频点868MHz，下频点908MHz，这样无线通讯模块可以自动将通讯频段定义为868MHz～908MHz，以符合欧洲ETSI标准 的规定；或者，可以输入上频点918MHz，下频点928MHz，这样无线通讯模块可以自动将通讯频段定义为918MHz～928MHz，以符合美国FCC标准的规定；或者，无线通讯模块的通讯频段也可以定义为符合日本ARIB标准或加拿大IC标准的规定，本发明实施例不作限定。在图1所示的物联网架构中，终端设备可以采用频分复用(Frequency Division Multiple Access，FDMA)、跳频(Frequency-Hopping Spread Spectrum，FHSS)、动态时分复用(Dynamic Time Division Multiple Access，DTDMA)、退避复用(CSMA)相结合的方法来解决干扰问题。Before the technical solution of the present invention is introduced, the Internet of Things architecture disclosed in some embodiments of the present invention is briefly introduced. FIG. 1 is a schematic diagram of an Internet of Things architecture disclosed in some embodiments of the present invention. It should be noted that FIG. 1 is only some implementations of the present invention. The schematic diagram of the disclosed Internet of Things architecture, and other schematic diagrams obtained by optimizing or deforming on the basis of FIG. 1 are all within the scope of protection of the present invention, and are not exemplified herein. The IoT architecture shown in FIG. 1 may include three layers of a terminal device layer, an access node layer, and an aggregation unit layer according to functions. The terminal device layer includes a mass terminal device located at the edge of the Internet of Things, 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, and these massive accesses Nodes can be interconnected by a network (not shown in Figure 1). In the access node layer, the access node may be a variety of intermediate devices, such as a router and a repeater, which are not limited in this embodiment of the present invention. The aggregation unit layer may include a convergence unit, wherein the aggregation unit is used as a human-machine interface of the Internet of Things in the Internet of Things architecture, and is used for high-level management of the entire Internet of Things through the access node, including collecting a large number of terminals in a certain period of time. The data reported by the device analyzes and determines the data, and then converts it into a simple warning, abnormal or related report required by the user; the aggregation unit can also obtain the information or configure the terminal device parameters by sending an instruction (at this time, the transmission of the data points to the terminal device) The aggregation unit can also introduce a variety of input services, from big data to social networks, and even from social tools "likes" to weather sharing. In addition, the access node can use any standard networking protocol, and the access node can implement data parsing between different network standards; in the IoT architecture shown in Figure 1, each access node can be its own Massive terminal devices within the coverage of the wireless network provide IoT data transceiving services, wherein each terminal device within the coverage of each access node's own wireless network may have a built-in wireless communication module, which makes each access node Wireless communication can be performed by wireless network communication with each terminal device within the coverage of its own wireless network. In the Internet of Things architecture shown in Figure 1, 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 meets the requirements of China's SRRC standard; alternatively, it can also 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~908MHz to meet the European ETSI standard. Or, you can input the upper frequency point 918MHz, the lower frequency point 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; or, the communication frequency band of the wireless communication module can also It is defined as a rule that conforms to the Japanese ARIB standard or the Canadian IC standard, and is not limited by the embodiment of the present invention. In the Internet of Things architecture shown in FIG. 1, 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.
以图1所示的物联网架构为基础，结合具体实施例，对本发明技术方案进行详细介绍。Based on the Internet of Things architecture shown in FIG. 1 , the technical solutions of the present invention are described in detail in conjunction with specific embodiments.
实施例一Embodiment 1
请参阅图2，图2为本发明实施例公开的物联网信号强度的检测方法的流程示意图；如图2所示，一种物联网信号强度的检测方法可包括：Referring to FIG. 2, FIG. 2 is a schematic flowchart of a method for detecting an IOT signal strength according to an embodiment of the present invention; as shown in FIG. 2, a method for detecting an IOT signal strength may include:
201、接入节点接收汇聚单元下发的信号上报指示信息，该信号上报指示信息包括信号门限值和汇聚单元的指定区域。201. The access node receives the signal reporting indication information sent by the aggregation unit, where the signal reporting indication information includes a signal threshold value and a designated area of the convergence unit.
可以理解，在本发明实施例中，汇聚单元的指定区域可以包括某个农场、或者某个农场中的某一块区域(如一块菜地培育地)、车库等。汇聚单元对该指定区域中的终端设备比较感兴趣，可能涉及到需要提高该指定区域内的终端设备的数据上报率、或者是降低该指定区域内的终端设备的数据上报率等，进而需要调整该接入节点的无线范围覆盖范围，以配合汇聚单元的需要，实现智能化管理。It can be understood that, in the embodiment of the present invention, the designated area of the convergence unit may include a certain farm, or a certain area in a certain farm (such as a vegetable cultivation place), a garage, and the like. The aggregation unit is interested in the terminal device in the designated area, and may need to improve the data reporting rate of the terminal device in the designated area, or reduce the data reporting rate of the terminal device in the designated area, and further, need to adjust The wireless range coverage of the access node is intelligently managed to meet the needs of the aggregation unit.
202、接入节点检测指定区域内与接入节点连接的终端设备，作为目标终端设备。202. The access node detects a terminal device connected to the access node in the specified area as the target terminal device.
作为一种可选的实施方式，在步骤202中，接入节点检测指定区域内与接入节点连接的终端设备，作为目标终端设备可包括：As an optional implementation, in step 202, the access node detects the terminal device connected to the access node in the specified area, and the target terminal device may include:
该指定区域内的终端设备按照周期向接入节点发送心跳数据，接入节点接收该指定区域内的终端设备发送的心跳数据，接入节点根据接收到的心跳数据，确定出指定区域内与接入节点连接的终端设备，作为该目标终端设备。The terminal device in the designated area sends heartbeat data to the access node according to the period, and the access node receives the heartbeat data sent by the terminal device in the designated area, and the access node determines, according to the received heartbeat data, the connection and the connection in the designated area. The terminal device connected to the ingress node serves as the target terminal device.
203、接入节点周期性获取目标终端设备的接收信号强度指示RSSI值， 并以目标终端设备的RSSI值为依据，获取指定区域的平均RSSI值。203. The access node periodically acquires a received signal strength indicator RSSI value of the target terminal device, where The average RSSI value of the specified area is obtained based on the RSSI value of the target terminal device.
其中，接入节点周期性在指定区域内连续广播一段时间的广播消息，目标终端设备检测该广播消息的瞬时RSSI值，然后对一段时间的瞬时RSSI求取平均值，作为目标终端设备的RSSI值，并将该RSSI值反馈给接入节点。The access node periodically broadcasts a broadcast message for a period of time in a specified area, and the target terminal device detects the instantaneous RSSI value of the broadcast message, and then obtains an average value of the instantaneous RSSI for a period of time as the RSSI value of the target terminal device. And feeding back the RSSI value to the access node.
指定区域内所有目标终端设备的RSSI值的平均值，作为该指定区域的平均RSSI值。The average value of the RSSI values of all target terminal devices in the specified area as the average RSSI value of the specified area.
204、接入节点判断该平均RSSI值是否低于信号门限值。其中，在平均RSSI值低于信号门限值时，转向步骤205；在平均RSSI值高于或等于信号门限值时，结束该流程。204. The access node determines whether the average RSSI value is lower than a signal threshold. Wherein, when the average RSSI value is lower than the signal threshold, the process proceeds to step 205; when the average RSSI value is higher than or equal to the signal threshold, the process ends.
205、接入节点将目标终端设备的数量和平均RSSI值封装成数据包并发送给汇聚单元。205. The access node encapsulates the number of target terminal devices and the average RSSI value into a data packet and sends the data packet to the aggregation unit.
206、汇聚单元根据数据包，调整接入节点天线的波束权值，并将波束权值发送给接入节点。206. The aggregation unit adjusts a beam weight of the access node antenna according to the data packet, and sends the beam weight to the access node.
可以理解，汇聚单元根据数据包中的目标终端设备的数量和所有目标终端设备的平均RSSI值，调整接入节点天线的波束权值。例如，当目标终端设备的数量较多，而目标终端设备的平均RSSI值低于预设值时，可以调整接入节点天线的波束权值，以使得接入节点天线发射的信号能够更好地覆盖目标终端设备；或者调整接入节点天线的波束权值，提高接入节点天线发射信号的强度，使其集中覆盖目标终端设备，确保目标终端设备的信号强度。It can be understood that the aggregation unit adjusts the beam weight of the access node antenna according to the number of target terminal devices in the data packet and the average RSSI value of all target terminal devices. For example, when the number of target terminal devices is large, and the average RSSI value of the target terminal device is lower than a preset value, the beam weight of the access node antenna can be adjusted, so that the signal transmitted by the access node antenna can be better. Covering the target terminal device; or adjusting the beam weight of the access node antenna to improve the strength of the signal transmitted by the access node antenna, so as to focus on the target terminal device to ensure the signal strength of the target terminal device.
207、接入节点根据波束权值调整其天线的信号发射强度。207. The access node adjusts a signal transmission strength of the antenna according to the beam weight.
在本发明实施例中，接入节点先接收汇聚单元下发的信号上报指示信息，该信号上报指示信息包括信号门限值和汇聚单元的指定区域，接入节点检测指定区域内的接入节点连接的终端设备，作为目标终端设备，接入节点周期性获取目标终端设备的RSSI值，然后获取指定区域的平均RSSI值，并在平均RSSI值低于信号门限值时，接入节点获取目标终端设备的数量和平均RSSI值封装成数据包并发送给汇聚单元，进而，汇聚单元可以根据数据包，调整接入节点天线的波束权值，并将波束权值发送给接入节点，由接入节点根据波束权值来调整其天线的信号发射强度，从而调整无线信号覆盖范围。可以看出，在本发明实施例中，接入节点能够实时检测信号强度的变化，在信号强 度比较弱时，上报给汇聚单元，由汇聚单元确定用于调整信号强度的波束权值，接入节点根据波束权值进行信号强度调整，以确保物联网信号的稳定性，确保数据传输的可靠性。In the embodiment of the present invention, the access node first receives the signal reporting indication information sent by the aggregation unit, where the signal indication indication information includes a signal threshold value and a designated area of the convergence unit, and the access node detects the access node in the designated area. The connected terminal device, as the target terminal device, the access node periodically acquires the RSSI value of the target terminal device, and then obtains the average RSSI value of the specified region, and when the average RSSI value is lower than the signal threshold, the access node acquires the target. The number of the terminal devices and the average RSSI value are encapsulated into data packets and sent to the aggregation unit. The convergence unit can adjust the beam weight of the access node antenna according to the data packet, and send the beam weight to the access node. The ingress node adjusts the signal transmission strength of its antenna according to the beam weight, thereby adjusting the coverage of the wireless signal. It can be seen that, in the embodiment of the present invention, the access node can detect the change of the signal strength in real time, and the signal is strong. When the degree is weak, it is reported to the aggregation unit, and the convergence unit determines the beam weight for adjusting the signal strength. The access node adjusts the signal strength according to the beam weight to ensure the stability of the IoT signal and ensure reliable data transmission. Sex.
实施例二Embodiment 2
请参阅图3，图3为本发明实施例公开的物联网信号强度的检测方法的另一流程示意图；如图3所示，一种物联网信号强度的检测方法可包括：Referring to FIG. 3, FIG. 3 is another schematic flowchart of a method for detecting an IOT signal strength according to an embodiment of the present invention; as shown in FIG. 3, a method for detecting an IOT signal strength may include:
301、接入节点接收汇聚单元下发的信号上报指示信息，该信号上报指示信息包括信号门限值和汇聚单元的指定区域。301. The access node receives the signal reporting indication information sent by the aggregation unit, where the signal indication information includes a signal threshold value and a designated area of the convergence unit.
302、接入节点在指定区域内广播检测信号，以及接收指定区域内的终端设备对检测信号的响应信号，根据响应信号识别出指定区域内与接入节点连接的终端设备，作为目标终端设备。302. The access node broadcasts the detection signal in the designated area, and receives the response signal of the terminal device in the specified area to the detection signal, and identifies the terminal device connected to the access node in the designated area as the target terminal device according to the response signal.
303、接入节点周期性获取目标终端设备的接收信号强度指示RSSI值，并以目标终端设备的RSSI值为依据，获取指定区域的平均RSSI值。303. The access node periodically obtains a received signal strength indication RSSI value of the target terminal device, and obtains an average RSSI value of the designated area according to the RSSI value of the target terminal device.
304、接入节点判断该平均RSSI值是否低于信号门限值。其中，在平均RSSI值低于信号门限值时，转向步骤305；在平均RSSI值高于或等于信号门限值时，结束该流程。304. The access node determines whether the average RSSI value is lower than a signal threshold. Wherein, when the average RSSI value is lower than the signal threshold, the process proceeds to step 305; when the average RSSI value is higher than or equal to the signal threshold, the process ends.
305、接入节点获取指定区域的地理示意图，地理示意图用于指示接入节点与目标终端设备的地理位置关系。305. The access node acquires a geographic schematic diagram of the designated area, where the geographic schematic diagram is used to indicate a geographical relationship between the access node and the target terminal device.
306、接入节点将目标终端设备的数量、平均RSSI值和地理示意图封装成数据包并发送给汇聚单元。306. The access node encapsulates the number of target terminal devices, the average RSSI value, and the geographic map into data packets and sends the data to the aggregation unit.
307、汇聚单元根据数据包，调整接入节点天线的波束权值，并将波束权值发送给接入节点。307. The aggregation unit adjusts a beam weight of the access node antenna according to the data packet, and sends the beam weight to the access node.
可以理解，汇聚单元根据数据包中的目标终端设备的数量、目标终端设备的平均RSSI值和地理示意图，调整接入节点天线的波束权值。例如，当目标终端设备的数量较多，而目标终端设备的平均RSSI值低于预设值时，可以调整接入节点天线的波束权值，以使得接入节点天线发射的信号能够更好地覆盖目标终端设备；或者调整接入节点天线的波束权值，提高接入节点天线发射信号的强度，使其集中覆盖目标终端设备，确保目标终端设备的信号强度。 It can be understood that the aggregation unit adjusts the beam weight of the access node antenna according to the number of target terminal devices in the data packet, the average RSSI value of the target terminal device, and the geographical map. For example, when the number of target terminal devices is large, and the average RSSI value of the target terminal device is lower than a preset value, the beam weight of the access node antenna can be adjusted, so that the signal transmitted by the access node antenna can be better. Covering the target terminal device; or adjusting the beam weight of the access node antenna to improve the strength of the signal transmitted by the access node antenna, so as to focus on the target terminal device to ensure the signal strength of the target terminal device.
308、接入节点根据波束权值调整其天线的信号发射强度。308. The access node adjusts a signal transmission strength of the antenna according to the beam weight.
在本发明实施例中，接入节点先接收汇聚单元下发的信号上报指示信息，该信号上报指示信息包括信号门限值和汇聚单元的指定区域，接入节点检测指定区域内的接入节点连接的终端设备，作为目标终端设备，接入节点周期性获取目标终端设备的RSSI值，然后获取指定区域的平均RSSI值，并在平均RSSI值低于信号门限值时，接入节点获取指定区域的地理示意图，然后接入节点获取目标终端设备的数量和平均RSSI值、以及指定区域的地理示意图封装成数据包并发送给汇聚单元，进而，汇聚单元可以根据数据包，调整接入节点天线的波束权值，并将波束权值发送给接入节点，由接入节点根据波束权值来调整其天线的信号发射强度，从而调整无线信号覆盖范围。可以看出，在本发明实施例中，周期性获取物联网的平均RSSI值，然后根据平均RSSI值确定接入节点的波束权值，以根据波束权值周期性调整信号强度，以确保物联网信号的稳定性，确保数据传输的可靠性。In the embodiment of the present invention, the access node first receives the signal reporting indication information sent by the aggregation unit, where the signal indication indication information includes a signal threshold value and a designated area of the convergence unit, and the access node detects the access node in the designated area. The connected terminal device, as the target terminal device, the access node periodically acquires the RSSI value of the target terminal device, and then obtains the average RSSI value of the designated area, and when the average RSSI value is lower than the signal threshold, the access node acquires the designated The geographical map of the area, and then the access node obtains the number of target terminal devices and the average RSSI value, and the geographic map of the designated area is encapsulated into a data packet and sent to the aggregation unit, and then, the aggregation unit can adjust the access node antenna according to the data packet. The beam weight is sent to the access node, and the access node adjusts the signal transmission intensity of the antenna according to the beam weight, thereby adjusting the coverage of the wireless signal. It can be seen that, in the embodiment of the present invention, the average RSSI value of the Internet of Things is periodically obtained, and then the beam weight of the access node is determined according to the average RSSI value to periodically adjust the signal strength according to the beam weight to ensure the Internet of Things. The stability of the signal ensures the reliability of data transmission.
实施例三Embodiment 3
请参阅图4，图4为本发明实施例公开的物联网信号强度的检测方法的另一流程示意图；如图4所示，一种物联网信号强度的检测方法可包括：Referring to FIG. 4, FIG. 4 is another schematic flowchart of a method for detecting an IOT signal strength according to an embodiment of the present invention; as shown in FIG. 4, a method for detecting an IOT signal strength may include:
401、接入节点接收汇聚单元下发的信号上报指示信息，该信号上报指示信息包括信号门限值和汇聚单元的指定区域。401. The access node receives the signal reporting indication information sent by the aggregation unit, where the signal reporting indication information includes a signal threshold value and a designated area of the convergence unit.
402、接入节点检测指定区域内与接入节点连接的终端设备，作为目标终端设备。402. The access node detects a terminal device connected to the access node in the specified area as the target terminal device.
403、接入节点周期性获取目标终端设备的接收信号强度指示RSSI值，并以目标终端设备的RSSI值为依据，获取指定区域的平均RSSI值。403. The access node periodically obtains a received signal strength indication RSSI value of the target terminal device, and obtains an average RSSI value of the designated area according to the RSSI value of the target terminal device.
404、接入节点判断该平均RSSI值是否低于信号门限值。其中，在平均RSSI值低于信号门限值时，转向步骤405；在平均RSSI值高于或等于信号门限值时，结束该流程。404. The access node determines whether the average RSSI value is lower than a signal threshold. Wherein, when the average RSSI value is lower than the signal threshold, the process proceeds to step 405; when the average RSSI value is higher than or equal to the signal threshold, the process ends.
405、接入节点将目标终端设备的数量和平均RSSI值封装成数据包并发送给汇聚单元。405. The access node encapsulates the number of target terminal devices and the average RSSI value into a data packet and sends the data to the aggregation unit.
406、汇聚单元获取指定区域的环境参数，环境参数包括指定区域的空气温度和空气湿度。 406. The aggregation unit acquires an environmental parameter of the designated area, where the environmental parameter includes an air temperature and an air humidity of the designated area.
407、汇聚单元根据数据包和环境参数，调整接入节点天线的波束权值，并将波束权值发送给接入节点。407. The aggregation unit adjusts a beam weight of the access node antenna according to the data packet and the environment parameter, and sends the beam weight to the access node.
作为一种可选的实施方式，步骤407中汇聚单元根据数据包和环境参数，调整接入节点天线的波束权值，并将波束权值发送给接入节点具体包括：As an optional implementation, in step 407, the aggregation unit adjusts the beam weight of the access node antenna according to the data packet and the environment parameter, and sends the beam weight to the access node, including:
汇聚单元调用即时天气接口，通过即时天气接口向即时天气服务器发送即时天气获取请求，即时天气获取请求包括指定区域的地理位置信息；The aggregation unit invokes an instant weather interface, and sends an instant weather acquisition request to the instant weather server through the instant weather interface, where the instant weather acquisition request includes geographic location information of the designated area;
汇聚单元通过即时天气接口，接收即时天气服务器返回的指定区域的地理位置信息对应的即时天气信息；The aggregation unit receives the real-time weather information corresponding to the geographical location information of the designated area returned by the real-time weather server through the instant weather interface;
汇聚单元根据数据包、环境参数和即时天气信息，调整接入节点天线的波束权值，并将波束权值发送给接入节点。The aggregation unit adjusts the beam weight of the access node antenna according to the data packet, the environmental parameter, and the real-time weather information, and sends the beam weight to the access node.
作为一种可选的实施方式，在实施上述步骤405之前，接入节点获取指定区域的地理示意图，该地理示意图用于指示接入节点与目标终端设备的地理位置关系；As an optional implementation manner, before performing the foregoing step 405, the access node acquires a geographical map of the designated area, where the geographic map is used to indicate a geographical relationship between the access node and the target terminal device;
进而，在步骤405中，接入节点将目标终端设备的数量、目标终端设备的平均RSSI值和地理示意图封装成数据包并发送给汇聚单元。Further, in step 405, the access node encapsulates the number of target terminal devices, the average RSSI value of the target terminal device, and the geographic map into data packets and sends them to the aggregation unit.
那么，在步骤407中，汇聚单元调用即时天气接口，通过即时天气接口向即时天气服务器发送即时天气获取请求，即时天气获取请求包括指定区域的地理位置信息；汇聚单元通过即时天气接口，接收即时天气服务器返回的指定区域的地理位置信息对应的即时天气信息；汇聚单元根据数据包(这里的数据包还包括了指定区域的地理位置区域)、环境参数和即时天气信息，调整接入节点天线的波束权值，并将波束权值发送给接入节点。Then, in step 407, the aggregation unit invokes an instant weather interface, and sends an instant weather acquisition request to the instant weather server through the instant weather interface, the instant weather acquisition request includes geographic location information of the designated area; the aggregation unit receives the instant weather through the instant weather interface. The real-time weather information corresponding to the geographical location information of the designated area returned by the server; the aggregation unit adjusts the beam of the access node antenna according to the data packet (the data packet here also includes the geographical location area of the designated area), the environmental parameter and the real-time weather information. Weight and send the beam weight to the access node.
在上述实施方式中，汇聚单元能够进一步结合即时天气信息，确定平均RSSI值是否受到天气影响，以合理调整接入节点天线的波束权值。In the above embodiment, the convergence unit can further combine the real-time weather information to determine whether the average RSSI value is affected by the weather to reasonably adjust the beam weight of the access node antenna.
408、接入节点根据波束权值调整其天线的信号发射强度。408. The access node adjusts a signal transmission strength of the antenna according to the beam weight.
在本发明实施例中，汇聚单元能够根据指定区域的环境参数，确定平均RSSI值是否受到天气影响，以合理调整接入节点天线的波束权值，能够周期性地调整接入节点的无线网络覆盖范围和无线信号强度，实现更加高效的物联网智能化监控和管理。In the embodiment of the present invention, the aggregation unit can determine whether the average RSSI value is affected by the weather according to the environmental parameter of the designated area, to reasonably adjust the beam weight of the access node antenna, and periodically adjust the wireless network coverage of the access node. Range and wireless signal strength for more efficient IoT intelligent monitoring and management.
实施例四 Embodiment 4
请参阅图5，图5为本发明实施例公开的物联网信号强度的检测系统的结构示意图；如图5所示，一种物联网信号强度的检测系统可包括：Referring to FIG. 5, FIG. 5 is a schematic structural diagram of a detection system for an Internet of Things signal strength according to an embodiment of the present invention; as shown in FIG. 5, an apparatus for detecting an IOT signal strength may include:
接入节点510，用于接收汇聚单元520下发的信号上报指示信息，所述信号上报指示信息包括信号门限值和汇聚单元520的指定区域；The access node 510 is configured to receive the signal reporting indication information that is sent by the aggregation unit 520, where the signal reporting indication information includes a signal threshold value and a designated area of the convergence unit 520.
接入节点510还用于，检测指定区域内与接入节点510连接的终端设备530，作为目标终端设备；The access node 510 is further configured to: detect, as the target terminal device, the terminal device 530 connected to the access node 510 in the specified area;
接入节点510还用于，周期性获取目标终端设备的接收信号强度指示RSSI值，并以目标终端设备的RSSI值为依据，获取指定区域的平均RSSI值；The access node 510 is further configured to periodically acquire the received signal strength indication RSSI value of the target terminal device, and obtain an average RSSI value of the designated area according to the RSSI value of the target terminal device.
接入节点510还用于，判断平均RSSI值是否低于该信号门限值；The access node 510 is further configured to determine whether the average RSSI value is lower than the signal threshold;
接入节点510还用于，在平均RSSI值低于信号门限值时，将目标终端设备的数量和平均RSSI值封装成数据包并发送给汇聚单元520；The access node 510 is further configured to: when the average RSSI value is lower than the signal threshold, the number of target terminal devices and the average RSSI value are encapsulated into a data packet and sent to the convergence unit 520;
汇聚单元520用于，根据数据包调整接入节点510天线的波束权值，并将波束权值发送给接入节点510；The aggregation unit 520 is configured to adjust the beam weight of the antenna of the access node 510 according to the data packet, and send the beam weight to the access node 510;
接入节点510还用于，根据波束权值调整其天线的信号发射强度。The access node 510 is further configured to adjust the signal transmission strength of the antenna according to the beam weight.
其中，接入节点510用于周期性在指定区域内连续广播一段时间的广播消息，目标终端设备检测该广播消息的瞬时RSSI值，然后对一段时间的瞬时RSSI求取平均值，作为目标终端设备的RSSI值，并将该RSSI值反馈给接入节点。The access node 510 is configured to periodically broadcast a broadcast message for a period of time in a specified area, and the target terminal device detects an instantaneous RSSI value of the broadcast message, and then obtains an average value of the instantaneous RSSI for a period of time as a target terminal device. The RSSI value and feed back the RSSI value to the access node.
作为一种可选的实施方式，接入节点510还用于检测指定区域内与接入节点510连接的终端设备530，作为目标终端设备的方式具体为：As an optional implementation manner, the access node 510 is further configured to detect the terminal device 530 that is connected to the access node 510 in the specified area.
接入节点510还用于在指定区域内广播检测信号，以及接收指定区域内的终端设备530对检测信号的响应信号，根据响应信号识别出指定区域内与接入节点510连接的终端设备530，作为目标终端设备。The access node 510 is further configured to: broadcast a detection signal in the designated area, and receive a response signal of the terminal device 530 in the specified area to the detection signal, and identify the terminal device 530 connected to the access node 510 in the designated area according to the response signal, As the target terminal device.
作为一种可选的实施方式，接入节点510还用于检测指定区域内与接入节点510连接的终端设备530，作为目标终端设备的方式具体为：As an optional implementation manner, the access node 510 is further configured to detect the terminal device 530 that is connected to the access node 510 in the specified area.
该指定区域内的终端设备530按照周期向接入节点510发送心跳数据，接入节点510接收该指定区域内的终端设备530发送的心跳数据，接入节点510根据接收到的心跳数据，确定出指定区域内与接入节点510连接的终端 设备530，作为该目标终端设备。The terminal device 530 in the designated area sends the heartbeat data to the access node 510 according to the period, the access node 510 receives the heartbeat data sent by the terminal device 530 in the designated area, and the access node 510 determines the heartbeat data according to the received heartbeat data. a terminal connected to the access node 510 in the designated area Device 530 acts as the target terminal device.
作为一种可选的实施方式，接入节点510还用于在将目标终端设备的数量和平均RSSI值封装成数据包并发送给汇聚单元520之前，获取指定区域的地理示意图，地理示意图用于指示接入节点510与目标终端设备的地理位置关系；As an optional implementation manner, the access node 510 is further configured to acquire a geographic map of the specified area before the number of target terminal devices and the average RSSI value are encapsulated into the data packet and sent to the aggregation unit 520. Instructing a geographical relationship between the access node 510 and the target terminal device;
接入节点510还用于将目标终端设备的数量和平均RSSI值封装成数据包并发送给汇聚单元520的方式具体为：The manner in which the access node 510 is further configured to encapsulate the number of target terminal devices and the average RSSI value into a data packet and send the data to the aggregation unit 520 is specifically:
接入节点510还用于将目标终端设备的数量、平均RSSI值和地理示意图封装成数据包并发送给汇聚单元520。The access node 510 is further configured to encapsulate the number of target terminal devices, the average RSSI value, and the geographic map into data packets and send the data to the aggregation unit 520.
作为一种可选的实施方式，汇聚单元520用于根据数据包，调整接入节点510天线的波束权值，并将波束权值发送给接入节点510的方式具体为：As an optional implementation manner, the aggregation unit 520 is configured to adjust, according to the data packet, a beam weight of the antenna of the access node 510, and send the beam weight to the access node 510 by using:
汇聚单元520用于获取指定区域的环境参数，环境参数包括指定区域的空气温度和空气湿度；根据数据包和环境参数，调整接入节点510天线的波束权值，并将波束权值发送给接入节点510。The aggregation unit 520 is configured to acquire an environment parameter of the specified area, where the environment parameter includes an air temperature and an air humidity of the designated area; adjust a beam weight of the antenna of the access node 510 according to the data packet and the environment parameter, and send the beam weight to the connection Into node 510.
作为一种可选的实施方式，汇聚单元520用于根据数据包和环境参数，调整接入节点510天线的波束权值，并将波束权值发送给接入节点510的方式具体为：As an optional implementation manner, the aggregation unit 520 is configured to adjust the beam weight of the antenna of the access node 510 according to the data packet and the environment parameter, and send the beam weight to the access node 510 by using:
汇聚单元520用于调用即时天气接口，通过即时天气接口向即时天气服务器发送即时天气获取请求，即时天气获取请求包括指定区域的地理位置信息；通过即时天气接口，接收即时天气服务器返回的指定区域的地理位置信息对应的即时天气信息；根据数据包、环境参数和即时天气信息，调整接入节点510天线的波束权值，并将波束权值发送给接入节点510。The aggregation unit 520 is configured to invoke an instant weather interface, and send an instant weather acquisition request to the instant weather server through an instant weather interface, where the real-time weather acquisition request includes geographic location information of the designated area; and the instant weather interface receives the designated area returned by the instant weather server. The real-time weather information corresponding to the geographic location information; adjusting the beam weight of the antenna of the access node 510 according to the data packet, the environmental parameter, and the real-time weather information, and transmitting the beam weight to the access node 510.
通过实施上述系统，针对汇聚单元520指定区域中的接入节点510，能够灵活地调整接入节点510的无线网络覆盖范围，以实现物联网的智能化监控和管理。By implementing the above system, the access node 510 in the designated area of the aggregation unit 520 can flexibly adjust the wireless network coverage of the access node 510 to implement intelligent monitoring and management of the Internet of Things.
本领域普通技术人员可以理解上述实施例的各种方法中的全部或部分步骤是可以通过程序来指令相关的硬件来完成，该程序可以存储于一计算机可读存储介质中，存储介质包括只读存储器(Read-Only Memory，ROM)、随机存储器(Random Access Memory，RAM)、可编程只读存储器(Programmable  Read-only Memory，PROM)、可擦除可编程只读存储器(Erasable Programmable Read Only Memory，EPROM)、一次可编程只读存储器(One-time Programmable Read-Only Memory，OTPROM)、电子抹除式可复写只读存储器(Electrically-Erasable Programmable Read-Only Memory，EEPROM)、只读光盘(Compact Disc Read-Only Memory，CD-ROM)或其他光盘存储器、磁盘存储器、磁带存储器、或者能够用于携带或存储数据的计算机可读的任何其他介质。One of ordinary skill in the art can understand that all or part of the various methods of the above embodiments can be completed by a program to instruct related hardware, the program can be stored in a computer readable storage medium, and the storage medium includes read only Read-Only Memory (ROM), Random Access Memory (RAM), Programmable Read Only Memory (Programmable) Read-only Memory (PROM), Erasable Programmable Read Only Memory (EPROM), One-Time Programmable Read-Only Memory (OTPROM), Electronic Erasing Electrically-Erasable Programmable Read-Only Memory (EEPROM), Compact Disc Read-Only Memory (CD-ROM) or other optical disk storage, disk storage, tape storage, or can be used for carrying or storing Any other medium of computer readable data.
以上对本发明实施例公开的一种物联网信号强度的检测方法及系统进行了详细介绍，本文中应用了具体个例对本发明的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本发明的方法及其核心思想；同时，对于本领域的一般技术人员，依据本发明的思想，在具体实施方式及应用范围上均会有改变之处，综上所述，本说明书内容不应理解为对本发明的限制。 The method and system for detecting the strength of the Internet of Things signal disclosed in the embodiment of the present invention are described in detail. The principles and embodiments of the present invention are described in the following. The description of the above embodiments is only for helping. The method of the present invention and its core idea are understood; at the same time, for those skilled in the art, according to the idea of the present invention, there are changes in the specific embodiments and application scopes. It should be understood that the invention is limited.

Claims (10)

  1. 一种物联网信号强度的检测方法，其特征在于，包括：A method for detecting the strength of an Internet of Things signal, comprising:
    接入节点接收汇聚单元下发的信号上报指示信息，所述信号上报指示信息包括信号门限值和所述汇聚单元的指定区域；The access node receives the signal reporting indication information sent by the aggregation unit, where the signal reporting indication information includes a signal threshold value and a designated area of the convergence unit;
    所述接入节点检测所述指定区域内与所述接入节点连接的终端设备，作为目标终端设备；The access node detects a terminal device connected to the access node in the designated area as a target terminal device;
    所述接入节点周期性获取所述目标终端设备的接收信号强度指示RSSI值，并以所述目标终端设备的RSSI值为依据，获取所述指定区域的平均RSSI值；Obtaining, by the access node, the received signal strength indication RSSI value of the target terminal device, and acquiring an average RSSI value of the designated area according to the RSSI value of the target terminal device;
    所述接入节点判断所述平均RSSI值是否低于所述信号门限值；The access node determines whether the average RSSI value is lower than the signal threshold;
    所述接入节点在所述平均RSSI值低于所述信号门限值时，将所述目标终端设备的数量和所述平均RSSI值封装成数据包并发送给汇聚单元；When the average RSSI value is lower than the signal threshold, the access node encapsulates the number of the target terminal equipment and the average RSSI value into a data packet and sends the data packet to the aggregation unit;
    所述汇聚单元根据所述数据包，调整所述接入节点天线的波束权值，并将所述波束权值发送给所述接入节点；The aggregation unit adjusts a beam weight of the access node antenna according to the data packet, and sends the beam weight to the access node;
    所述接入节点根据所述波束权值调整其天线的信号发射强度。The access node adjusts a signal transmission strength of its antenna according to the beam weight.
  2. 根据权利要求1所述的方法，其特征在于，所述接入节点将所述目标终端设备的数量和所述平均RSSI值封装成数据包并发送给汇聚单元之前，所述方法还包括：The method according to claim 1, wherein the method further comprises: before the access node encapsulates the number of the target terminal devices and the average RSSI value into a data packet and sends the data packet to the aggregation unit, the method further includes:
    所述接入节点获取所述指定区域的地理示意图，所述地理示意图用于指示所述接入节点与所述目标终端设备的地理位置关系；The access node acquires a geographical map of the designated area, where the geographic map is used to indicate a geographical relationship between the access node and the target terminal device;
    所述接入节点将所述目标终端设备的数量和所述平均RSSI值封装成数据包并发送给汇聚单元，包括：The access node encapsulates the number of the target terminal devices and the average RSSI value into a data packet and sends the data packet to the aggregation unit, including:
    所述接入节点将所述目标终端设备的数量、所述平均RSSI值和所述地理示意图封装成数据包并发送给所述汇聚单元。The access node encapsulates the number of the target terminal devices, the average RSSI value, and the geographic map into data packets and sends the data packets to the aggregation unit.
  3. 根据权利要求1或2所述的方法，其特征在于，所述汇聚单元根据所述数据包，调整所述接入节点天线的波束权值，并将所述波束权值发送给所述接入节点，包括：The method according to claim 1 or 2, wherein the aggregation unit adjusts a beam weight of the access node antenna according to the data packet, and sends the beam weight to the access Nodes, including:
    所述汇聚单元获取所述指定区域的环境参数，所述环境参数包括所述指定区域的空气温度和空气湿度；The aggregation unit acquires an environmental parameter of the designated area, where the environmental parameter includes an air temperature and an air humidity of the designated area;
    所述汇聚单元根据所述数据包和所述环境参数，调整所述接入节点天线 的波束权值，并将所述波束权值发送给所述接入节点。The aggregation unit adjusts the access node antenna according to the data packet and the environmental parameter a beam weight and transmitting the beam weight to the access node.
  4. 根据权利要求3所述的方法，其特征在于，所述汇聚单元根据所述数据包和所述环境参数，调整所述接入节点天线的波束权值，并将所述波束权值发送给所述接入节点，包括：The method according to claim 3, wherein the aggregation unit adjusts a beam weight of the access node antenna according to the data packet and the environment parameter, and sends the beam weight to the The access nodes, including:
    所述汇聚单元调用即时天气接口，通过所述即时天气接口向即时天气服务器发送即时天气获取请求，所述即时天气获取请求包括所述指定区域的地理位置信息；The aggregation unit invokes an instant weather interface, and sends an instant weather acquisition request to the real weather server through the instant weather interface, where the instant weather acquisition request includes geographic location information of the designated area;
    所述汇聚单元通过所述即时天气接口，接收所述即时天气服务器返回的所述指定区域的地理位置信息对应的即时天气信息；Receiving, by the instant messaging interface, the real-time weather information corresponding to the geographical location information of the designated area returned by the instant weather server;
    所述汇聚单元根据所述数据包、所述环境参数和所述即时天气信息，调整所述接入节点天线的波束权值，并将所述波束权值发送给所述接入节点。The aggregation unit adjusts a beam weight of the access node antenna according to the data packet, the environment parameter, and the real-time weather information, and sends the beam weight to the access node.
  5. 根据权利要求1所述的方法，其特征在于，所述接入节点检测所述指定区域内与所述接入节点连接的终端设备，作为目标终端设备包括：The method according to claim 1, wherein the access node detects a terminal device connected to the access node in the designated area, and the target terminal device includes:
    所述接入节点在所述指定区域内广播检测信号，以及接收所述指定区域内的终端设备对所述检测信号的响应信号，根据所述响应信号识别出所述指定区域内与所述接入节点连接的终端设备，作为所述目标终端设备。The access node broadcasts a detection signal in the designated area, and receives a response signal of the terminal device in the designated area to the detection signal, and identifies the specified area and the connection according to the response signal. The terminal device connected to the node serves as the target terminal device.
  6. 一种物联网信号强度的检测系统，其特征在于，包括：A detection system for the strength of an Internet of Things signal, comprising:
    接入节点，用于接收汇聚单元下发的信号上报指示信息，所述信号上报指示信息包括信号门限值和所述汇聚单元的指定区域；The access node is configured to receive signal reporting indication information sent by the aggregation unit, where the signal reporting indication information includes a signal threshold value and a designated area of the convergence unit;
    所述接入节点还用于，检测所述指定区域内与所述接入节点连接的终端设备，作为目标终端设备；The access node is further configured to: detect, as the target terminal device, a terminal device connected to the access node in the specified area;
    所述接入节点还用于，周期性获取所述目标终端设备的接收信号强度指示RSSI值，并以所述目标终端设备的RSSI值为依据，获取所述指定区域的平均RSSI值；The access node is further configured to: periodically acquire the received signal strength indication RSSI value of the target terminal device, and obtain an average RSSI value of the designated area according to the RSSI value of the target terminal device;
    所述接入节点还用于，判断所述平均RSSI值是否低于所述信号门限值；The access node is further configured to determine whether the average RSSI value is lower than the signal threshold;
    所述接入节点还用于，在所述平均RSSI值低于所述信号门限值时，将所述目标终端设备的数量和所述平均RSSI值封装成数据包并发送给汇聚单元；The access node is further configured to: when the average RSSI value is lower than the signal threshold, encapsulate the number of the target terminal equipment and the average RSSI value into a data packet and send the data packet to the convergence unit;
    所述汇聚单元用于，根据所述数据包调整所述接入节点天线的波束权值， 并将所述波束权值发送给所述接入节点；The aggregation unit is configured to adjust, according to the data packet, a beam weight of the access node antenna, where And transmitting the beam weight to the access node;
    所述接入节点还用于，根据所述波束权值调整其天线的信号发射强度。The access node is further configured to adjust a signal transmission strength of the antenna according to the beam weight.
  7. 根据权利要求6所述的系统，其特征在于，The system of claim 6 wherein:
    所述接入节点还用于在将所述目标终端设备的数量和所述平均RSSI值封装成数据包并发送给所述汇聚单元之前，获取所述指定区域的地理示意图，所述地理示意图用于指示所述接入节点与所述目标终端设备的地理位置关系；The access node is further configured to acquire a geographic schematic of the designated area, before the number of the target terminal devices and the average RSSI value are encapsulated into a data packet, and sent to the aggregation unit, where the geographic map is used. And indicating a geographical relationship between the access node and the target terminal device;
    所述接入节点还用于将所述目标终端设备的数量和所述平均RSSI值封装成数据包并发送给汇聚单元的方式具体为：The manner in which the access node is further configured to encapsulate the number of the target terminal devices and the average RSSI value into a data packet and send the data to the aggregation unit is specifically:
    所述接入节点还用于将所述目标终端设备的数量、所述平均RSSI值和所述地理示意图封装成数据包并发送给所述汇聚单元。The access node is further configured to encapsulate the number of the target terminal devices, the average RSSI value, and the geographic map into data packets and send the data to the aggregation unit.
  8. 根据权利要求6或7所述的系统，其特征在于，所述汇聚单元用于根据所述数据包，调整所述接入节点天线的波束权值，并将所述波束权值发送给所述接入节点的方式具体为：The system according to claim 6 or 7, wherein the aggregation unit is configured to adjust a beam weight of the access node antenna according to the data packet, and send the beam weight to the The way to access the node is as follows:
    所述汇聚单元用于获取所述指定区域的环境参数，所述环境参数包括所述指定区域的空气温度和空气湿度；根据所述数据包和所述环境参数，调整所述接入节点天线的波束权值，并将所述波束权值发送给所述接入节点。The aggregation unit is configured to acquire an environmental parameter of the designated area, where the environmental parameter includes air temperature and air humidity of the designated area; and adjusting an antenna of the access node according to the data packet and the environmental parameter a beam weight and transmitting the beam weight to the access node.
  9. 根据权利要求8所述的系统，其特征在于，所述汇聚单元用于根据所述数据包和所述环境参数，调整所述接入节点天线的波束权值，并将所述波束权值发送给所述接入节点的方式具体为：The system according to claim 8, wherein the aggregation unit is configured to adjust a beam weight of the access node antenna according to the data packet and the environmental parameter, and send the beam weight The manner of giving the access node is specifically as follows:
    所述汇聚单元用于调用即时天气接口，通过所述即时天气接口向即时天气服务器发送即时天气获取请求，所述即时天气获取请求包括所述指定区域的地理位置信息；通过所述即时天气接口，接收所述即时天气服务器返回的所述指定区域的地理位置信息对应的即时天气信息；根据所述数据包、所述环境参数和所述即时天气信息，调整所述接入节点天线的波束权值，并将所述波束权值发送给所述接入节点。The aggregation unit is configured to invoke an instant weather interface, and send an instant weather acquisition request to the instant weather server by using the instant weather interface, where the real-time weather acquisition request includes geographic location information of the designated area; Receiving the real-time weather information corresponding to the geographical location information of the designated area returned by the instant weather server; adjusting the beam weight of the access node antenna according to the data packet, the environment parameter, and the instant weather information And transmitting the beam weight to the access node.
  10. 根据权利要求6所述的系统，其特征在于，所述接入节点还用于检测所述指定区域内与所述接入节点连接的终端设备，作为目标终端设备的方式具体为： The system according to claim 6, wherein the access node is further configured to detect a terminal device that is connected to the access node in the specified area, and the manner of the target terminal device is specifically:
    所述接入节点还用于在所述指定区域内广播检测信号，以及接收所述指定区域内的终端设备对所述检测信号的响应信号，根据所述响应信号识别出所述指定区域内与所述接入节点连接的终端设备，作为所述目标终端设备。 The access node is further configured to: broadcast a detection signal in the designated area, and receive a response signal of the terminal device in the specified area to the detection signal, and identify, in the specified area, according to the response signal; The terminal device connected to the access node serves as the target terminal device.
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