WO2018233057A1 - 一种物联网无线信号调整方法及系统 - Google Patents

一种物联网无线信号调整方法及系统 Download PDF

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Publication number
WO2018233057A1
WO2018233057A1 PCT/CN2017/100216 CN2017100216W WO2018233057A1 WO 2018233057 A1 WO2018233057 A1 WO 2018233057A1 CN 2017100216 W CN2017100216 W CN 2017100216W WO 2018233057 A1 WO2018233057 A1 WO 2018233057A1
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Prior art keywords
access device
target terminal
beam weight
data packet
terminal device
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PCT/CN2017/100216
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English (en)
French (fr)
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 WO2018233057A1 publication Critical patent/WO2018233057A1/zh

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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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks

Definitions

  • the present invention relates to the field of Internet of Things technologies, and in particular, to a method and system for adjusting an Internet of Things wireless signal.
  • the Internet of Things is an information sensing device such as Radio Frequency Identification (RFID), infrared sensor, global positioning system, laser scanner, etc., which passes any object according to the agreed agreement. Networked domain names are connected for information exchange and communication for intelligent identification, location, tracking, monitoring and management.
  • the information sensing device may be referred to as a terminal device in the Internet of Things.
  • the access device accesses the Internet of Things, and uploads the collected data information to the aggregation unit, where the aggregation unit analyzes, organizes, and warns. .
  • the terminal device uploads the collected data information to the convergence unit in the wireless network coverage of the access device.
  • 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, in order to ensure the effective upload of data, may need to artificially adjust the coverage of the access device to ensure wireless signals, this adjustment process is cumbersome.
  • the embodiment of the invention discloses an Internet of Things wireless signal adjustment method and system, which is used for flexibly adjusting the network coverage of the access device, and realizes intelligent control and management of the Internet of Things.
  • a first aspect of the present invention discloses an Internet of Things wireless signal adjustment method, which may include:
  • the access device Receiving, by the access device, a wireless signal detection indication sent by the convergence unit, where the wireless signal detection indication includes a signal reporting period, a device type, and a designated area of the convergence unit;
  • the access device detects, as the target terminal device, the terminal device that is connected to the access device and matches the device type in the specified area;
  • the access device obtains a Received Signal Strength Indication (RSSI) of the target terminal device when the signal reporting period arrives;
  • RSSI Received Signal Strength Indication
  • the access device encapsulates the number of the target terminal devices and the RSSI of each of the target terminal devices into a data packet and sends the data packet to the aggregation unit;
  • the aggregation unit adjusts a beam weight of the access device antenna according to the data packet, and sends the beam weight to the access device;
  • the access device adjusts a signal transmission strength of its antenna according to the beam weight.
  • the access device encapsulates the number of the target terminal devices and the RSSI of each of the target terminal devices into a data packet and sends the data to the convergence unit.
  • the method further includes:
  • the access device acquires a geographical map of the designated area, where the geographic map is used to indicate a geographical relationship between the access device and the target terminal device;
  • the access device encapsulates the number of the target terminal devices and the RSSI of each of the target terminal devices into a data packet and sends the data to the aggregation unit, including:
  • the access device encapsulates the number of the target terminal devices, the RSSI of each of the target terminal devices, and the geographic map into a data packet and sends the data packet to the aggregation unit.
  • the aggregation unit adjusts a beam weight of the access device antenna according to the data packet, and sends the beam weight to the Access devices, 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 device antenna according to the data packet and the environment parameter, and sends the beam weight to the access device.
  • the aggregation unit adjusts a beam weight of the access device antenna according to the data packet and the environment parameter, and uses the beam weight The value is sent to the access device, 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 a beam weight of the access device antenna according to the data packet, the environment parameter, and the real-time weather information, and sends the beam weight to the access device.
  • the access device detects, in the specified area, a terminal device that is connected to the access device and matches the device type, as a target terminal device.
  • the access device broadcasts a detection signal in the designated area, and receives a response signal of the terminal device that matches the device type in the specified area to the detection signal, and identifies the designated area according to the response signal.
  • a terminal device connected to the access device and matching the device type is used as the target terminal device.
  • the second aspect of the present invention discloses an Internet of Things wireless signal adjustment system, which may include:
  • the access device is configured to receive a wireless signal detection indication sent by the aggregation unit, where the wireless signal detection indication includes a signal reporting period, a device type, and a designated area of the convergence unit;
  • the access device is further configured to: detect, as the target terminal device, a terminal device that is connected to the access device and that matches the device type in the specified area;
  • the access device is further configured to: when the signal reporting period arrives, acquire the target terminal device received signal strength indicator RSSI;
  • the access device is further configured to encapsulate the number of the target terminal devices and the RSSI of each of the target terminal devices into a data packet and send the data to a convergence unit;
  • the aggregation unit is configured to: adjust a beam weight of the access device antenna according to the data packet, and send the beam weight to the access device;
  • the access device is further configured to adjust a signal transmission strength of the antenna according to the beam weight.
  • the access device is further configured to encapsulate the number of the target terminal devices and the RSSI of each of the target terminal devices into a data packet and send Before obtaining the aggregation unit, acquiring a geographical map of the designated area, where the geographic map is used to indicate a geographical relationship between the access device and the target terminal device;
  • the access device is further configured to: encapsulate the number of the target terminal devices and the RSSI of each of the target terminal devices into a data packet and send the data to the aggregation unit:
  • the access device is further configured to encapsulate the number of the target terminal devices, the RSSI of each of the target terminal devices, and the geographic map into a data packet and send the data packet to the convergence unit.
  • the concentrating unit is configured to adjust a beam weight of the access device antenna according to the data packet, and send the beam weight to
  • the manner of the access device is specifically as follows:
  • the aggregation unit is configured to acquire an environmental parameter of the designated area, where the environmental parameter includes an air temperature and an air humidity of the designated area; and adjusting an antenna of the access device according to the data packet and the environmental parameter a beam weight and transmitting the beam weight to the access device.
  • the aggregation unit is configured to adjust a beam weight of the access device antenna according to the data packet and the environment parameter, and The manner in which the beam weight is sent to the access device is specifically as follows:
  • 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 device antenna according to the data packet, the environment parameter, and the instant weather information And transmitting the beam weight to the access device.
  • the access device is further configured to detect, in the specified area, a terminal device that is connected to the access device and matches the device type, as
  • the method of the target terminal device is specifically as follows:
  • the access device is further configured to: broadcast a detection signal in the designated area, and receive a response signal of the terminal device that matches the device type in the specified area to the detection signal, and identify the location according to the response signal.
  • a terminal device connected to the access device and matching the device type in the specified area is used as the target terminal device.
  • the embodiment of the invention has the following beneficial effects:
  • the access device first receives the wireless signal detection indication sent by the aggregation unit, where the wireless signal detection indication includes a signal reporting period, a device type, and a designated area of the convergence unit, and the access device detects the connection and the designated area.
  • the terminal device connected to the device and matching the device type serves as the target terminal device, and then acquires the number of target terminal devices when the signal reporting period arrives.
  • the RSSI of each target terminal device is encapsulated into a data packet and sent to the aggregation unit.
  • the convergence unit can adjust the beam weight of the access device antenna according to the data packet, and send the beam weight to the access device.
  • the device adjusts the signal transmission intensity of its antenna according to the beam weight, thereby adjusting the coverage of the wireless signal.
  • the access device of the specified device type in the specified area of the aggregation unit can flexibly adjust the coverage of the wireless network of the access device, and ensure that the data of the terminal device can be uploaded normally to implement Intelligent monitoring and management of networking.
  • 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 adjusting an Internet of Things wireless signal according to an embodiment of the present invention
  • FIG. 3 is another schematic flowchart of a method for adjusting an Internet of Things wireless signal according to an embodiment of the present invention
  • FIG. 4 is another schematic flowchart of a method for adjusting an Internet of Things wireless signal according to an embodiment of the present invention
  • FIG. 5 is a schematic structural diagram of an Internet of Things wireless signal adjustment system according to an embodiment of the present invention.
  • the embodiment of the invention discloses a method for adjusting an Internet of Things wireless signal, which is used for flexible adjustment of access
  • the network coverage of the device ensures the normal uploading of terminal device data and realizes intelligent control and management of the Internet of Things.
  • the embodiment of the invention also discloses an Internet of Things wireless signal adjustment system.
  • 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 device layer, and an aggregation unit layer according to functions.
  • the terminal device layer includes a large number of terminal devices 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 device layer may include a large number of access devices, and these large amounts of access Devices can be interconnected by a network (not shown in Figure 1).
  • the access device may be a router, a repeater, and the like, which are not limited in the 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 device, 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 device can use any standard networking protocol, and the access device can implement data parsing between different network standards; in the IoT architecture shown in Figure 1, each access device 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 device's own wireless network may have a built-in wireless communication module, which makes each access device 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 complies with the provisions of China's SRRC standard; alternatively, it can input the upper frequency point of 868MHz and the lower frequency point of 908MHz, so that the wireless communication module can automatically define the communication frequency band as 868MHz to 908MHz to comply with the European ETSI standard; or, you can enter Frequency point 918MHz, lower frequency point 928MHz, so wireless communication mode
  • the block can automatically define the communication band as 918 MHz to 928 MHz to meet the requirements of the US FCC standard.
  • the communication band of the wireless communication module can also be defined as conforming to the Japanese ARIB standard or the Canadian IC standard, which 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 adjusting an Internet of Things wireless signal according to an embodiment of the present invention.
  • an method for adjusting an Internet of Things wireless signal may include:
  • the access device receives the wireless signal detection indication sent by the convergence unit, where the wireless signal detection indication includes a signal reporting period, a device type, 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 of the device type in the specified area, and may need to increase the data reporting rate of the terminal device in the specified area, or reduce the data reporting rate of the terminal device in the specified area. Then, the wireless range coverage of the access device needs to be adjusted to meet the needs of the aggregation unit to implement intelligent management.
  • the access device detects, as the target terminal device, a terminal device that is connected to the access device and matches the device type in the specified area.
  • the access device detects the terminal device that is connected to the access device and matches the device type in the specified area, and the target terminal device may include:
  • the terminal device that matches the device type in the specified area sends the heartbeat data to the access device according to the period, and the access device receives the heartbeat data sent by the terminal device that matches the device type in the specified area, and the access device according to the received heartbeat The data is used to determine the terminal device in the specified area that is connected to the access device and matches the device type as the target terminal device.
  • the access device acquires an RSSI of the target terminal device when the signal reporting period arrives.
  • the access device continuously broadcasts a broadcast message in a specified area within a period of time before the signal reporting period arrives, and the target terminal device detects the instantaneous RSSI value of the broadcast message, and then averages the instantaneous RSSI for a period of time as a target.
  • the RSSI value of the terminal device is fed back to the access node, so that the access device can obtain the RSSI value of the target terminal device when the signal reporting period arrives.
  • the access device encapsulates the number of target terminal devices and the RSSI of each target terminal device into a data packet and sends the data packet to the aggregation unit.
  • the aggregation unit adjusts a beam weight of the access device antenna according to the data packet, and sends the beam weight to the access device.
  • the aggregation unit adjusts the beam weight of the access device antenna according to the number of target terminal devices in the data packet and the RSSI of each target terminal device. For example, when the number of target terminal devices is large, and the RSSI of some target terminal devices is lower than a preset value, the beam weight of the access device antenna can be adjusted, so that the signal transmitted by the access device antenna can be better covered.
  • the access device adjusts a signal transmission strength of the antenna according to the beam weight.
  • the access device first receives the wireless signal detection indication sent by the aggregation unit, where the wireless signal detection indication includes a signal reporting period, a device type, and a designated area of the convergence unit, and the access device detects the connection and the designated area.
  • the terminal device that is connected to the device and matches the device type is used as the target terminal device, and then, when the signal reporting period arrives, the number of the target terminal devices and the RSSI of each target terminal device are encapsulated into data packets and sent to the aggregation unit, and then
  • the aggregation unit may adjust the beam weight of the access device antenna according to the data packet, and send the beam weight to the access device, and the access device adjusts the signal transmission strength of the antenna according to the beam weight, thereby adjusting the wireless signal. Coverage.
  • the access device of the specified device type in the specified area of the aggregation unit can flexibly adjust the coverage of the wireless network of the access device, and ensure that the data of the terminal device can be uploaded normally to implement Intelligent monitoring and management of networking.
  • FIG. 3 is another schematic flowchart of a method for adjusting an Internet of Things wireless signal according to an embodiment of the present invention.
  • an Internet of Things wireless signal adjustment method may include:
  • the access device receives the wireless signal detection indication sent by the aggregation unit, where the wireless signal detection indication includes a signal reporting period, a device type, and a designated area of the convergence unit.
  • the access device broadcasts the detection signal in the designated area, and receives a response signal of the terminal device that matches the device type in the specified area to the detection signal, and identifies, according to the response signal, the connection with the access device in the designated area and matches the device type.
  • Terminal device as the target terminal device.
  • the access device acquires the target terminal device RSSI when the signal reporting period arrives.
  • the access device acquires a geographical map of the designated area, where the geographic map is used to indicate a geographical relationship between the access device and the target terminal device.
  • step 303 may be performed first, and then step 304 may be performed; or step 304 may be performed before step 303 is performed; or, step 303 and step 304 are performed simultaneously, This is not specifically limited in the embodiment of the present invention.
  • the access device encapsulates the number of target terminal devices, the RSSI and the geographic map of each target terminal device into a data packet, and sends the data packet to the aggregation unit.
  • the aggregation unit adjusts a beam weight of the access device antenna according to the data packet, and sends the beam weight to the access device.
  • the aggregation unit adjusts the beam weight of the access device antenna according to the number of target terminal devices in the data packet, the RSSI of each target terminal device, and the geographical map. For example, when the number of target terminal devices is large, and the RSSI of some target terminal devices is lower than a preset value, the beam weight of the access device antenna can be adjusted, so that the signal transmitted by the access device antenna can be better covered.
  • the access device adjusts a signal transmission strength of the antenna according to the beam weight.
  • the access device first receives the wireless signal detection indication sent by the aggregation unit, where the wireless signal detection indication includes a signal reporting period, a device type, and a designated area of the convergence unit, and the access device detects the specified area and
  • the access device is connected to and matches the terminal device of the device type as the target terminal device, and then, when the signal reporting period arrives, the number of the target terminal device and the RSSI of each target terminal device, and the geographic map of the designated area are encapsulated into data.
  • the packet is sent to the aggregation unit, and the aggregation unit can adjust the beam of the access device antenna according to the data packet.
  • the weight is sent to the access device, and the access device adjusts the signal transmission strength of the antenna according to the beam weight, thereby adjusting the coverage of the wireless signal.
  • the access device of the specified device type in the specified area of the aggregation unit can flexibly adjust the coverage of the wireless network of the access device, and ensure that the data of the terminal device can be uploaded normally to implement Intelligent monitoring and management of networking.
  • FIG. 4 is another schematic flowchart of a method for adjusting an Internet of Things wireless signal according to an embodiment of the present invention.
  • an Internet of Things wireless signal adjustment method may include:
  • the access device receives the wireless signal detection indication sent by the convergence unit, where the wireless signal detection indication includes a signal reporting period, a device type, and a designated area of the convergence unit.
  • the access device detects, as the target terminal device, a terminal device that is connected to the access device and matches the device type in the specified area.
  • the access device acquires the target terminal device RSSI when the signal reporting period arrives.
  • the access device encapsulates the number of target terminal devices and the RSSI of each target terminal device into a data packet and sends the data packet 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 device antenna according to the data packet and the environment parameter, and sends the beam weight to the access device.
  • the aggregation unit adjusts the beam weight of the access device antenna according to the data packet and the environment parameter, and sends the beam weight to the access device, 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 device antenna according to the data packet, the environmental parameter, and the real-time weather information, and sends the beam weight to the access device.
  • the access device acquires a geographical map of the designated area, where the geographic map is used to indicate the location of the access device and the target terminal device. Positional relationship
  • the access device encapsulates the number of target terminal devices, the RSSI and the geographic map of each target terminal device into data packets and sends them to the aggregation unit.
  • the aggregation unit invokes the instant weather interface to send 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 determine whether the RSSI is affected by the weather in combination with the real-time weather information, so as to reasonably adjust the beam weight of the access device antenna.
  • the access device adjusts a signal transmission strength of the antenna according to the beam weight.
  • the aggregation unit can determine whether the RSSI is affected by the weather according to the environmental parameters of the designated area, so as to reasonably adjust the beam weight of the access device antenna, and flexibly adjust the coverage of the wireless network of the access device. Realize intelligent monitoring and management of the Internet of Things.
  • FIG. 5 is a schematic structural diagram of an Internet of Things wireless signal adjustment system according to an embodiment of the present invention. As shown in FIG. 5, an Internet of Things wireless signal adjustment system may include:
  • the access device 510 is configured to receive a wireless signal detection indication sent by the convergence unit 520, where the wireless signal detection indication includes a signal reporting period, a device type, and a designated area of the convergence unit 520.
  • the access device 510 is further configured to: detect, as the target terminal device, the terminal device 530 that is connected to the access device 510 and matches the device type in the specified area;
  • the access device 510 is further configured to: when the signal reporting period arrives, obtain the target terminal device receiving signal strength indication RSSI;
  • the access device 510 is further configured to encapsulate the number of target terminal devices and the RSSI of each target terminal device into a data packet and send the data packet to the aggregation unit 520;
  • the aggregation unit 520 is configured to adjust the beam weight of the antenna of the access device 510 according to the data packet, and send the beam weight to the access device 510;
  • the access device 510 is further configured to adjust a signal transmission strength of the antenna according to the beam weight.
  • the access device is configured to continuously broadcast a broadcast message in a specified area within a period of time before the signal reporting period arrives, and the target terminal device detects an instantaneous RSSI value of the broadcast message, and then obtains an average of the instantaneous RSSI for a period of time.
  • the value is used as the RSSI value of the target terminal device, and the RSSI value is fed back to the access node, so that the access device can obtain the RSSI value of the target terminal device when the signal reporting period arrives.
  • the access device 510 is further configured to detect the terminal device 530 that is connected to the access device 510 and matches the device type in the specified area.
  • the access device 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, according to the response signal, the connection with the access device 510 in the designated area and match the device type.
  • the terminal device 530 serves as a target terminal device.
  • the access device 510 is further configured to detect the terminal device 530 that is connected to the access device 510 and matches the device type in the specified area.
  • the terminal device 530 matching the device type in the specified area sends heartbeat data to the access device 510 according to a period, and the access device 510 receives heartbeat data sent by the terminal device 530 in the specified area and matching the device type, and the access device 510 Based on the received heartbeat data, the terminal device 530 that is connected to the access device 510 and matches the device type in the designated area is determined as the target terminal device.
  • the access device 510 is further configured to acquire a geographic schematic of the designated area before the RSSI of the target terminal device and the RSSI of each target terminal device are encapsulated into a data packet and sent to the convergence unit 520.
  • the geographic map is used to indicate the geographical relationship between the access device 510 and the target terminal device;
  • the access device 510 is further configured to encapsulate the number of the target terminal devices and the RSSI of each target terminal device into a data packet and send the data to the aggregation unit 520.
  • the access device 510 is further configured to encapsulate the number of target terminal devices, the RSSI and the geographic map of each target terminal device into data packets, and send the data to the aggregation unit 520.
  • the aggregation unit 520 is configured to adjust the beam weight of the antenna of the access device 510 according to the data packet, and send the beam weight to the access device 510 by using:
  • the aggregation unit 520 is configured to acquire an environmental parameter of the designated area, where the environmental parameter includes an air temperature and an air humidity of the designated area; adjust a beam weight of the antenna of the access device 510 according to the data packet and the environmental parameter, and send the beam weight to the connection Into device 510.
  • the aggregation unit 520 is configured to adjust the beam weight of the antenna of the access device 510 according to the data packet and the environment parameter, and send the beam weight to the access device 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 geographical location information; adjusting the beam weight of the antenna of the access device 510 according to the data packet, the environmental parameter, and the real-time weather information, and transmitting the beam weight to the access device 510.
  • the access device 510 in the area specified by the aggregation unit 520 can flexibly adjust the wireless network coverage of the access device 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 Electronically-Erasable Programmable Read-Only Memory
  • CD-ROM Compact Disc Read-Only Memory

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Abstract

本发明实施例涉及物联网技术领域，公开了一种物联网无线信号调整方法及系统，该方法包括：接入设备接收汇聚单元下发的无线信号检测指示；接入设备检测指定区域内与接入设备连接且匹配设备类型的终端设备，作为目标终端设备，在信号上传周期到达时，获取目标终端设备RSSI，将目标终端设备的数量和每一个目标终端设备的RSSI封装成数据包并发送给汇聚单元；汇聚单元根据数据包，调整接入设备天线的波束权值，并将波束权值发送给接入设备；接入设备根据波束权值调整其天线的信号发射强度；能够根据指定区域内指定设备类型的终端设备的RSSI值调整无线信号覆盖范围，确保终端设备上传数据的稳定性，以实现物联网的智能化监控和管理。

Description

一种物联网无线信号调整方法及系统 技术领域
本发明涉及物联网技术领域，具体涉及一种物联网无线信号调整方法及系统。
背景技术
物联网(Internet of Things，简称IOF)是通过射频识别(Radio Frequency Identification，简称RFID)、红外感应器、全球定位系统、激光扫描器等信息传感设备，按约定的协议，把任何物品通过物联网域名相连接，进行信息交换和通信，以实现智能化识别、定位、跟踪、监控和管理。信息传感设备可以称作物联网中的终端设备，其通过接入设备(Access Point，简称AP)接入物联网，将采集的数据信息上传给汇聚单元，由汇聚单元进行分析、整理、预警等。
终端设备在接入设备的无线网络覆盖中，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，为了确保数据的有效上传，可能需要人为地调整接入设备的覆盖范围，以保证无线信号，这个调整过程比较繁琐。
发明内容
本发明实施例公开了一种物联网无线信号调整方法及系统，用于灵活调整接入设备的网络覆盖范围，实现对物联网的智能化控制和管理。
本发明第一方面公开了一种物联网无线信号调整方法，可包括：
接入设备接收汇聚单元下发的无线信号检测指示，所述无线信号检测指示包括信号上报周期、设备类型和所述汇聚单元的指定区域；
所述接入设备检测所述指定区域内与所述接入设备连接的且匹配所述设备类型的终端设备，作为目标终端设备；
所述接入设备在所述信号上报周期到达时，获取所述目标终端设备接收信号强度指示(Received Signal Strength Indication，简称RSSI)；
所述接入设备将所述目标终端设备的数量和每一个所述目标终端设备的RSSI封装成数据包并发送给汇聚单元；
所述汇聚单元根据所述数据包，调整所述接入设备天线的波束权值，并将所述波束权值发送给所述接入设备；
所述接入设备根据所述波束权值调整其天线的信号发射强度。
作为一种可选的实施方式，在本发明第一方面中，所述接入设备将所述目标终端设备的数量和每一个所述目标终端设备的RSSI封装成数据包并发送给汇聚单元之前，所述方法还包括：
所述接入设备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设备与所述目标终端设备的地理位置关系；
所述接入设备将所述目标终端设备的数量和每一个所述目标终端设备的RSSI封装成数据包并发送给汇聚单元，包括：
所述接入设备将所述目标终端设备的数量、每一个所述目标终端设备的RSSI和所述地理示意图封装成数据包并发送给所述汇聚单元。
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，调整所述接入设备天线的波束权值，并将所述波束权值发送给所述接入设备，包括：
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；
所述汇聚单元根据所述数据包和所述环境参数，调整所述接入设备天线的波束权值，并将所述波束权值发送给所述接入设备。
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，调整所述接入设备天线的波束权值，并将所述波束权值发送给所述接入设备，包括：
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；
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；
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，调整所述接入设备天线的波束权值，并将所述波束权值发送给所述接入设备。
作为一种可选的实施方式，在本发明第一方面中，所述接入设备检测所述指定区域内与所述接入设备连接的且匹配所述设备类型的终端设备，作为目标终端设备包括：
所述接入设备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匹配所述设备类型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设备连接的且匹配所述设备类型的终端设备，作为所述目标终端设备。
本发明第二方面公开了一种物联网无线信号调整系统，可包括：
接入设备，用于接收汇聚单元下发的无线信号检测指示，所述无线信号检测指示包括信号上报周期、设备类型和所述汇聚单元的指定区域；
所述接入设备还用于，检测所述指定区域内与所述接入设备连接的且匹配所述设备类型的终端设备，作为目标终端设备；
所述接入设备还用于，在所述信号上报周期到达时获取所述目标终端设备接收信号强度指示RSSI；
所述接入设备还用于，将所述目标终端设备的数量和每一个所述目标终端设备的RSSI封装成数据包并发送给汇聚单元；
所述汇聚单元用于，根据所述数据包调整所述接入设备天线的波束权值，并将所述波束权值发送给所述接入设备；
所述接入设备还用于，根据所述波束权值调整其天线的信号发射强度。
作为一种可选的实施方式，在本发明第二方面中，所述接入设备还用于在将所述目标终端设备的数量和每一个所述目标终端设备的RSSI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设备与所述目标终端设备的地理位置关系；
所述接入设备还用于将所述目标终端设备的数量和每一个所述目标终端设备的RSSI封装成数据包并发送给汇聚单元的方式具体为：
所述接入设备还用于将所述目标终端设备的数量、每一个所述目标终端设备的RSSI和所述地理示意图封装成数据包并发送给所述汇聚单元。
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，调整所述接入设备天线的波束权值，并将所述波束权值发送给所述接入设备的方式具体为：
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，调整所述接入设备天线的波束权值，并将所述波束权值发送给所述接入设备。
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，调整所述接入设备天线的波束权值，并将所述波束权值发送给所述接入设备的方式具体为：
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，调整所述接入设备天线的波束权值，并将所述波束权值发送给所述接入设备。
作为一种可选的实施方式，在本发明第二方面中，所述接入设备还用于检测所述指定区域内与所述接入设备连接的且匹配所述设备类型的终端设备，作为目标终端设备的方式具体为：
所述接入设备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匹配所述设备类型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设备连接的且匹配所述设备类型的终端设备，作为所述目标终端设备。
与现有技术相比，本发明实施例具有以下有益效果：
在本发明实施例中，接入设备先接收汇聚单元下发的无线信号检测指示，该无线信号检测指示包括信号上报周期、设备类型和汇聚单元的指定区域，接入设备检测指定区域内与接入设备连接且匹配该设备类型的终端设备，作为目标终端设备，然后在信号上报周期到达时，获取目标终端设备的数量和 每一个目标终端设备的RSSI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，调整接入设备天线的波束权值，并将波束权值发送给接入设备，由接入设备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，针对汇聚单元指定区域中的指定设备类型的接入设备，能够灵活地调整接入设备的无线网络覆盖范围，确保终端设备数据能够正常上传，以实现物联网的智能化监控和管理。
附图说明
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。
图1为本发明一些实施例公开的物联网架构示意图；
图2为本发明实施例公开的物联网无线信号调整方法的流程示意图；
图3为本发明实施例公开的物联网无线信号调整方法的另一流程示意图；
图4为本发明实施例公开的物联网无线信号调整方法的另一流程示意图；
图5为本发明实施例公开的物联网无线信号调整系统的结构示意图。
具体实施方式
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。
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。
本发明实施例公开了一种物联网无线信号调整方法，用于灵活调整接入 设备的网络覆盖范围，确保终端设备数据的正常上传，实现对物联网的智能化控制和管理。本发明实施例还公开了一种物联网无线信号调整系统。
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、接入设备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；接入设备层可以包括大量接入设备，这些大量的接入设备之间可以通过网络互联(图1未全部示出)。在接入设备层中，接入设备可以是路由器、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，用于通过接入设备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，接入设备可以使用任何标准的组网协议，而且接入设备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，每一个接入设备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，每一个接入设备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，这使得每一个接入设备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。
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。
实施例一
请参阅图2，图2为本发明实施例公开的物联网无线信号调整方法的流程示意图；如图2所示，一种物联网无线信号调整方法可包括：
201、接入设备接收汇聚单元下发的无线信号检测指示，无线信号检测指示包括信号上报周期、设备类型和汇聚单元的指定区域。
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某种设备类型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设备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。
202、接入设备检测指定区域内与接入设备连接的且匹配该设备类型的终端设备，作为目标终端设备。
作为一种可选的实施方式，在步骤202中，接入设备检测指定区域内与接入设备连接的且匹配该设备类型的终端设备，作为目标终端设备可包括：
该指定区域内且匹配该设备类型的终端设备按照周期向接入设备发送心跳数据，接入设备接收该指定区域内匹配该设备类型的终端设备发送的心跳数据，接入设备根据接收到的心跳数据，确定出指定区域内与接入设备连接且匹配该设备类型的终端设备，作为该目标终端设备。
203、接入设备在信号上报周期到达时，获取目标终端设备的RSSI。
接入设备在信号上报周期到达之前的一段时间内，在指定区域内连续广播出广播消息，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，使得接入设备在信号上报周期到达时，能够获取到目标终端设备的RSSI值。
204、接入设备将目标终端设备的数量和每一个目标终端设备的RSSI封装成数据包并发送给汇聚单元。
205、汇聚单元根据数据包，调整接入设备天线的波束权值，并将波束权值发送给接入设备。
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每个目标终端设备的RSSI，调整接入设备天线的波束权值。例如，当目标终端设备的数量较多，而部分目标终端设备的RSSI低于预设值时，可以调整接入设备天线的波束权值，以使得接入设备天线发射的信号能够更好地覆盖目标终端设备；或者调整接入设备天线的波束权值，提高接入设备天线发射信号的强度，使其集中覆盖部分目标终端设备，确保部分目标终端设备的信号强度。
206、接入设备根据波束权值调整其天线的信号发射强度。
在本发明实施例中，接入设备先接收汇聚单元下发的无线信号检测指示，该无线信号检测指示包括信号上报周期、设备类型和汇聚单元的指定区域，接入设备检测指定区域内与接入设备连接且匹配该设备类型的终端设备，作为目标终端设备，然后在信号上报周期到达时，获取目标终端设备的数量和每一个目标终端设备的RSSI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，调整接入设备天线的波束权值，并将波束权值发送给接入设备，由接入设备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，针对汇聚单元指定区域中的指定设备类型的接入设备，能够灵活地调整接入设备的无线网络覆盖范围，确保终端设备数据能够正常上传，以实现物联网的智能化监控和管理。
实施例二
请参阅图3，图3为本发明实施例公开的物联网无线信号调整方法的另一流程示意图；如图3所示，一种物联网无线信号调整方法可包括：
301、接入设备接收汇聚单元下发的无线信号检测指示，无线信号检测指示包括信号上报周期、设备类型和汇聚单元的指定区域。
302、接入设备在指定区域内广播检测信号，以及接收指定区域内匹配该设备类型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设备连接且匹配该设备类型的终端设备，作为目标终端设备。
303、接入设备在信号上报周期到达时，获取目标终端设备RSSI。
304、接入设备获取指定区域的地理示意图，地理示意图用于指示接入设备与目标终端设备的地理位置关系。
需要说明的是，不限制步骤303和步骤304的执行顺序，可以先执行步骤303，再执行步骤304；或者，可以先执行步骤304再执行步骤303；或者，步骤303和步骤304同时执行，在本发明实施例中对此不作具体限定。
305、接入设备将目标终端设备的数量、每一个目标终端设备的RSSI和地理示意图封装成数据包并发送给汇聚单元。
306、汇聚单元根据数据包，调整接入设备天线的波束权值，并将波束权值发送给接入设备。
可以理解，汇聚单元根据数据包中的目标终端设备的数量、每个目标终端设备的RSSI和地理示意图，调整接入设备天线的波束权值。例如，当目标终端设备的数量较多，而部分目标终端设备的RSSI低于预设值时，可以调整接入设备天线的波束权值，以使得接入设备天线发射的信号能够更好地覆盖目标终端设备；或者调整接入设备天线的波束权值，提高接入设备天线发射信号的强度，使其集中覆盖部分目标终端设备，确保部分目标终端设备的信号强度。
307、接入设备根据波束权值调整其天线的信号发射强度。
在本发明实施例中，接入设备先接收汇聚单元下发的无线信号检测指示，该无线信号检测指示包括信号上报周期、设备类型和汇聚单元的指定区域，，接入设备检测指定区域内与接入设备连接且匹配该设备类型的终端设备，作为目标终端设备，然后在信号上报周期到达时，获取目标终端设备的数量和每一个目标终端设备的RSSI、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，调整接入设备天线的波束 权值，并将波束权值发送给接入设备，由接入设备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，针对汇聚单元指定区域中的指定设备类型的接入设备，能够灵活地调整接入设备的无线网络覆盖范围，确保终端设备数据能够正常上传，以实现物联网的智能化监控和管理。
实施例三
请参阅图4，图4为本发明实施例公开的物联网无线信号调整方法的另一流程示意图；如图4所示，一种物联网无线信号调整方法可包括：
401、接入设备接收汇聚单元下发的无线信号检测指示，无线信号检测指示包括信号上报周期、设备类型和汇聚单元的指定区域。
402、接入设备检测指定区域内与接入设备连接的且匹配该设备类型的终端设备，作为目标终端设备。
403、接入设备在信号上报周期到达时，获取目标终端设备RSSI。
404、接入设备将目标终端设备的数量和每一个目标终端设备的RSSI封装成数据包并发送给汇聚单元。
405、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、汇聚单元根据数据包和环境参数，调整接入设备天线的波束权值，并将波束权值发送给接入设备。
作为一种可选的实施方式，步骤406中汇聚单元根据数据包和环境参数，调整接入设备天线的波束权值，并将波束权值发送给接入设备具体包括：
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、环境参数和即时天气信息，调整接入设备天线的波束权值，并将波束权值发送给接入设备。
作为一种可选的实施方式，在实施上述步骤404之前，接入设备获取指定区域的地理示意图，该地理示意图用于指示接入设备与目标终端设备的地 理位置关系；
进而，在步骤404中，接入设备将目标终端设备的数量、每一个目标终端设备的RSSI和地理示意图封装成数据包并发送给汇聚单元。
那么，在步骤406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，调整接入设备天线的波束权值，并将波束权值发送给接入设备。
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RSSI是否受到天气影响，以合理调整接入设备天线的波束权值。
407、接入设备根据波束权值调整其天线的信号发射强度。
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RSSI是否受到天气影响，以合理调整接入设备天线的波束权值，能够灵活地调整接入设备的无线网络覆盖范围，以实现物联网的智能化监控和管理。
实施例四
请参阅图5，图5为本发明实施例公开的物联网无线信号调整系统的结构示意图；如图5所示，一种物联网无线信号调整系统可包括：
接入设备510，用于接收汇聚单元520下发的无线信号检测指示，所述无线信号检测指示包括信号上报周期、设备类型和汇聚单元520的指定区域；
接入设备510还用于，检测指定区域内与接入设备510连接且匹配该设备类型的终端设备530，作为目标终端设备；
接入设备510还用于，在信号上报周期到达时，获取目标终端设备接收信号强度指示RSSI；
接入设备510还用于，将目标终端设备的数量和每一个目标终端设备的RSSI封装成数据包并发送给汇聚单元520；
汇聚单元520用于，根据数据包调整接入设备510天线的波束权值，并将波束权值发送给接入设备510；
接入设备510还用于，根据波束权值调整其天线的信号发射强度。
其中，接入设备用于在信号上报周期到达之前的一段时间内，在指定区域内连续广播出广播消息，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，使得接入设备在信号上报周期到达时，能够获取到目标终端设备的RSSI值。
作为一种可选的实施方式，接入设备510还用于检测指定区域内与接入设备510连接且匹配设备类型的终端设备530，作为目标终端设备的方式具体为：
接入设备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设备510连接且匹配该设备类型的终端设备530，作为目标终端设备。
作为一种可选的实施方式，接入设备510还用于检测指定区域内与接入设备510连接且匹配该设备类型的终端设备530，作为目标终端设备的方式具体为：
该指定区域内匹配该设备类型的终端设备530按照周期向接入设备510发送心跳数据，接入设备510接收该指定区域内且匹配该设备类型的终端设备530发送的心跳数据，接入设备510根据接收到的心跳数据，确定出指定区域内与接入设备510连接且匹配该设备类型的终端设备530，作为该目标终端设备。
作为一种可选的实施方式，接入设备510还用于在将目标终端设备的数量和每一个目标终端设备的RSSI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设备510与目标终端设备的地理位置关系；
接入设备510还用于将目标终端设备的数量和每一个目标终端设备的RSSI封装成数据包并发送给汇聚单元520的方式具体为：
接入设备510还用于将目标终端设备的数量、每一个目标终端设备的RSSI和地理示意图封装成数据包并发送给汇聚单元520。
作为一种可选的实施方式，汇聚单元520用于根据数据包，调整接入设备510天线的波束权值，并将波束权值发送给接入设备510的方式具体为：
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，调整接入设备510天线的波束权值，并将波束权值发送给接入设备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，调整接入设备510天线的波束权值，并将波束权值发送给接入设备510的方式具体为：
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，调整接入设备510天线的波束权值，并将波束权值发送给接入设备510。
通过实施上述系统，针对汇聚单元520指定区域中的接入设备510，能够灵活地调整接入设备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。
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。
以上对本发明实施例公开的一种物联网无线信号调整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。

Claims (10)

  1. 一种物联网无线信号调整方法，其特征在于，包括：
    接入设备接收汇聚单元下发的无线信号检测指示，所述无线信号检测指示包括信号上报周期、设备类型和所述汇聚单元的指定区域；
    所述接入设备检测所述指定区域内与所述接入设备连接的且匹配所述设备类型的终端设备，作为目标终端设备；
    所述接入设备在所述信号上报周期到达时，获取所述目标终端设备的接收信号强度指示RSSI值；
    所述接入设备将所述目标终端设备的数量和每一个所述目标终端设备的RSSI封装成数据包并发送给汇聚单元；
    所述汇聚单元根据所述数据包，调整所述接入设备天线的波束权值，并将所述波束权值发送给所述接入设备；
    所述接入设备根据所述波束权值调整其天线的信号发射强度。
  2. 根据权利要求1所述的方法，其特征在于，所述接入设备将所述目标终端设备的数量和每一个所述目标终端设备的RSSI封装成数据包并发送给汇聚单元之前，所述方法还包括：
    所述接入设备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设备与所述目标终端设备的地理位置关系；
    所述接入设备将所述目标终端设备的数量和每一个所述目标终端设备的RSSI封装成数据包并发送给汇聚单元，包括：
    所述接入设备将所述目标终端设备的数量、每一个所述目标终端设备的RSSI和所述地理示意图封装成数据包并发送给所述汇聚单元。
  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，调整所述接入设备天线的波束权值，并将所述波束权值发送给所述接入设备，包括：
    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；
    所述汇聚单元根据所述数据包和所述环境参数，调整所述接入设备天线的波束权值，并将所述波束权值发送给所述接入设备。
  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，调整所述接入设备天线的波束权值，并将所述波束权值发送给所述接入设备，包括：
    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；
    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；
    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，调整所述接入设备天线的波束权值，并将所述波束权值发送给所述接入设备。
  5. 根据权利要求1所述的方法，其特征在于，所述接入设备检测所述指定区域内与所述接入设备连接的且匹配所述设备类型的终端设备，作为目标终端设备包括：
    所述接入设备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匹配所述设备类型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设备连接的且匹配所述设备类型的终端设备，作为所述目标终端设备。
  6. 一种物联网无线信号调整系统，其特征在于，包括：
    接入设备，用于接收汇聚单元下发的无线信号检测指示，所述无线信号检测指示包括信号上报周期、设备类型和所述汇聚单元的指定区域；
    所述接入设备还用于，检测所述指定区域内与所述接入设备连接的且匹配所述设备类型的终端设备，作为目标终端设备；
    所述接入设备还用于，在所述信号上报周期到达时获取所述目标终端设备的接收信号强度指示RSSI；
    所述接入设备还用于，将所述目标终端设备的数量和每一个所述目标终端设备的RSSI封装成数据包并发送给汇聚单元；
    所述汇聚单元用于，根据所述数据包调整所述接入设备天线的波束权值，并将所述波束权值发送给所述接入设备；
    所述接入设备还用于，根据所述波束权值调整其天线的信号发射强度。
  7. 根据权利要求6所述的系统，其特征在于，
    所述接入设备还用于在将所述目标终端设备的数量和每一个所述目标终端设备的RSSI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设备与所述目标终端设备的地理位置关系；
    所述接入设备还用于将所述目标终端设备的数量和每一个所述目标终端设备的RSSI封装成数据包并发送给汇聚单元的方式具体为：
    所述接入设备还用于将所述目标终端设备的数量、每一个所述目标终端设备的RSSI和所述地理示意图封装成数据包并发送给所述汇聚单元。
  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，调整所述接入设备天线的波束权值，并将所述波束权值发送给所述接入设备的方式具体为：
    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，调整所述接入设备天线的波束权值，并将所述波束权值发送给所述接入设备。
  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，调整所述接入设备天线的波束权值，并将所述波束权值发送给所述接入设备的方式具体为：
    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，调整所述接入设备天线的波束权值，并将所述波束权值发送给所述接入设备。
  10. 根据权利要求6所述的系统，其特征在于，所述接入设备还用于检测所述指定区域内与所述接入设备连接的且匹配所述设备类型的终端设备，作为目标终端设备的方式具体为：
    所述接入设备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匹配所述设备类型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设备连接的且匹配所述设备类 型的终端设备，作为所述目标终端设备。
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