CN111800215A - Wireless signal interference system based on Internet of things - Google Patents
Wireless signal interference system based on Internet of things Download PDFInfo
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- CN111800215A CN111800215A CN202010443740.8A CN202010443740A CN111800215A CN 111800215 A CN111800215 A CN 111800215A CN 202010443740 A CN202010443740 A CN 202010443740A CN 111800215 A CN111800215 A CN 111800215A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K3/00—Jamming of communication; Counter-measures
- H04K3/80—Jamming or countermeasure characterized by its function
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
- H04L67/125—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks involving control of end-device applications over a network
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Abstract
The invention provides a wireless signal interference system based on the Internet of things, which comprises: the system comprises a plurality of user sides, an Internet of things cloud platform and a plurality of wireless signal interference devices; each user side and each wireless signal interference device are communicated with the Internet of things cloud platform in a wireless mode; the user side is used for sending an interference starting instruction to the Internet of things cloud platform according to the area to be interfered; the Internet of things cloud platform is used for sending a control instruction to wireless signal interference equipment corresponding to the to-be-interfered area according to the received interference starting instruction; and the wireless signal interference equipment is used for sending interference signals to the area to be interfered according to the control command to carry out wireless signal interference. The invention has the beneficial effects that: the problem of cooperative interference and agile control of wireless signal interference equipment in a patch area is solved; effectively reducing the dependence on the number of the personnel and the personnel capacity and facilitating the actual engineering deployment and application.
Description
Technical Field
The invention relates to the technical field of wireless communication, in particular to a wireless signal interference system based on the Internet of things.
Background
In recent years, wireless communication terminals are more and more widely used, and unmanned aerial vehicles, unmanned vehicles and robots based on wireless communication are more and more used. Some lawbreakers use wireless communication equipment to eavesdrop, candid the wireless transmission of information of practising fraud in sensitive areas such as prisons, examination rooms, government offices, military administration districts, even use unmanned aerial vehicle, unmanned vehicles, robot, etc. the equipment that has integrated multiple sensor, executor carries out illegal activities, has caused very big potential safety hazard. The wireless signal interference equipment blocks wireless communication by means of suppressing interference, deception interference, forwarding interference and the like on wireless signals, so that information cannot be transmitted by means of the wireless signals, and the wireless signal interference equipment is an effective countermeasure.
However, most of the existing wireless signal interference devices are of a manual switch type and must be turned on or turned off by manual operation of personnel, and if an unmanned aerial vehicle invasion event occurs, the movement speed, the visual field, the aiming degree and the like of the personnel greatly influence the counter effect; especially for wireless signal shielding which needs to be carried out in a fragmented area such as an unmanned aerial vehicle cluster invasion event, the effect of the method is poor; the requirement that wireless signal shielding operation needs to be carried out every day at regular time cannot be met well;
in addition, if the output power of the wireless signal interference equipment is large, the potential hazard of personal injury to operators can be caused. Therefore, the existing wireless signal interference method and equipment have the defects of strong dependence on personnel, incapability of fixed deployment, incapability of realizing chip networking control, incapability of realizing automatic operation and the like.
Disclosure of Invention
In order to solve the problems, the invention provides a wireless signal interference system based on the internet of things, which is used for controlling wireless signal interference equipment in a networking manner, realizing unattended operation, remote operation and automatic control of the wireless signal interference equipment, and is suitable for application scenes of regional and networked unmanned aerial vehicle countermeasures, wireless signal shielding, wireless communication blocking and the like.
The wireless signal interference system based on the Internet of things comprises: the system comprises a plurality of user sides, an Internet of things cloud platform and a plurality of wireless signal interference devices; each user side and each wireless signal interference device are communicated with the Internet of things cloud platform in a wireless mode;
the user side is used for sending an interference starting instruction to the Internet of things cloud platform according to the area to be interfered;
the Internet of things cloud platform is used for sending a control instruction to wireless signal interference equipment corresponding to the to-be-interfered area according to the received interference starting instruction;
and the wireless signal interference equipment is used for sending interference signals to the area to be interfered according to the control command to carry out wireless signal interference.
Further, the user side is a mobile phone, a tablet computer or portable hardware of a notebook computer; the Internet of things cloud platform is a cloud server built through a cloud server or an Ali cloud commercial cloud platform is directly adopted; the integrated functions include: equipment management, a rule engine, monitoring operation and maintenance and data analysis; and the user side realizes communication with the Internet of things cloud platform through a web website, an APP or a WeChat applet.
Further, the wireless signal interference device comprises an internet of things communication module, a wireless signal interference module and a power supply module; the Internet of things communication module is used for communicating with the Internet of things cloud platform and comprises a communication unit and a communication antenna; the wireless signal interference module is used for interfering wireless signals and comprises a main control unit, a power amplification unit and a matched interference antenna;
the power amplifier units are a plurality of power amplifiers which are all provided with built-in signal generators; each power amplifier unit is provided with a corresponding interference antenna; each power amplifier unit is electrically connected with the main control unit, the main control unit is electrically connected with the communication unit, and the power amplifier units are communicated with the Internet of things cloud platform through a communication assembly formed by the communication unit and the communication antenna; the frequency range of the interference antenna matched with the power amplification unit is matched with the power amplification unit, and the output signal of the power amplification unit is converted into electromagnetic waves in space; the interference frequency of the wireless signal interference equipment comprises 1550MHz-1610MHz, 2400MHz-2500MHz and 5725MHz-5875MHz frequency sections.
Further, the interference antenna takes the form of a directional antenna or an omnidirectional antenna. The frequency ranges of different power amplification units are different, and output signals of the power amplification units in different frequency ranges form interference signals of a wide frequency band. The power supply module is used for supplying power for the wireless signal interference module and the Internet of things communication module and is realized by one or more of mains supply, a direct-current power supply, a storage battery or a solar power supply mode. The communication assembly composed of the communication unit and the communication antenna is realized by adopting one or more of Ethernet, cellular communication, WiFi, LoRa or NB-IoT communication modes, and the specific communication means is selected according to the use scene of the equipment and the use habit of a user. The main control unit is one or a combination of a microcontroller, a digital signal processor, a field programmable gate array or an embedded processor.
Furthermore, an operator checks the state of the wireless signal interference equipment through an application software interface of a user side, controls the wireless signal interference equipment to be turned on or turned off, and controls one or more wireless signal interference equipment through the integrated function of the Internet of things cloud platform to realize one-to-one, many-to-one, one-to-many and many-to-many control; simultaneous control, combined control or sequential control of wireless signal jamming devices deployed at different locations in a tiled area is achieved.
Further, simultaneous control means to simultaneously turn on or off all wireless signal interference devices in the system; the combination control means to turn on or turn off the wireless signal interference devices in the system, and the sequence control means to turn on or turn off the wireless signal interference devices in the system in sequence through the setting sequence of the internet of things cloud platform.
The technical scheme provided by the invention has the beneficial effects that: the technical scheme provided by the invention solves the problems of cooperative interference and agile management and control of wireless signal interference equipment in a slice area. The dependence on the number of personnel and the personnel capacity can be effectively reduced, the cost is low, the working reliability of the Internet of things communication and the Internet of things cloud platform is good, and the actual engineering deployment and application are facilitated; especially for some scenes that people are inconvenient to approach or dangerous hidden dangers exist, the remote control of the Internet of things is a safe and effective mode.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
fig. 1 is a block diagram of a wireless signal interference system based on the internet of things according to an embodiment of the present invention;
fig. 2 is a diagram of an apparatus of a wireless signal jamming device in an embodiment of the present invention;
FIG. 3 is a diagram illustrating one-to-one interference control according to an embodiment of the present invention;
FIG. 4 is a diagram illustrating one-to-many control interference in an embodiment of the present invention;
FIG. 5 is a schematic diagram of a many-to-one control disturbance in an embodiment of the present invention;
fig. 6 is a schematic diagram of many-to-many control interference in an embodiment of the present invention.
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
The embodiment of the invention provides a wireless signal interference system based on the Internet of things.
Referring to fig. 1, fig. 1 is a structural diagram of a wireless signal interference system based on the internet of things in an embodiment of the present invention, which specifically includes:
the system comprises a plurality of user sides, an Internet of things cloud platform and a plurality of wireless signal interference devices; each user side and each wireless signal interference device are communicated with the Internet of things cloud platform in a wireless mode;
the user side is used for sending an interference starting instruction to the Internet of things cloud platform according to the area to be interfered;
the internet of things cloud platform is used for sending a control instruction (controlling the wireless signal interference equipment to be turned on or turned off) to the wireless signal interference equipment corresponding to the area to be interfered according to the received interference turning-on instruction;
and the wireless signal interference equipment is used for sending interference signals to the area to be interfered according to the control command to carry out wireless signal interference.
The user side is portable hardware such as a mobile phone, a tablet computer or a notebook computer; the Internet of things cloud platform provides safe and reliable equipment connection communication capacity, supports equipment data acquisition and cloud uploading, and the rule engine circulation data and cloud data issue equipment terminal, also provides convenient and fast equipment management capacity, and supports data structured storage and remote debugging, monitoring, operation and maintenance. The Internet of things cloud platform is a cloud server built through a cloud server or a commercial cloud platform such as an Ariiyun or Tengcong cloud.
The user side is communicated with the Internet of things cloud platform through software forms such as web websites, APPs or WeChat applets.
Referring to fig. 2, fig. 2 is a diagram of a wireless signal jamming device according to an embodiment of the present invention; the wireless signal interference device 3 comprises an internet of things communication module 31, a wireless signal interference module 32 and a power supply module 33; the internet of things communication module 31 is used for communicating with the internet of things cloud platform, and includes a communication unit 311 and a communication antenna 312; the wireless signal interference module 32 is used for interfering wireless signals, and includes a main control unit 321, a power amplifier unit 322 and a matched interference antenna 323;
the power amplifier units 322 are a plurality of power amplifiers each provided with a built-in signal generator, and can generate signals with specific power and specific frequency bands; each power amplifier unit 322 is configured with a corresponding interference antenna 323; each power amplifier unit 322 is electrically connected with the main control unit 321, the main control unit 321 is electrically connected with the communication unit 311, and the communication unit 311 and the communication antenna 312 form a communication component to communicate with the internet of things cloud platform 2; the frequency range of the interference antenna 323 matched with the power amplifier unit 322 is matched with the power amplifier unit 322, and the output signal of the power amplifier unit 322 is converted into electromagnetic waves in space;
the interfering antenna 323 may take the form of a directional antenna or an omni-directional antenna, etc. The frequency ranges of different power amplification units 322 may be different, and the output signals of multiple power amplification units 322 with different frequency ranges constitute interference signals of a wide frequency band. The power supply module 33 is used for supplying power to the wireless signal interference module 32 and the internet of things communication module 31, and is implemented by one or more of mains supply, a direct-current power supply, a storage battery or solar energy. The communication component composed of the communication unit 311 and the communication antenna 312 is implemented by one or more of communication modes such as ethernet, cellular communication (2G, 3G, 4G, 5G), WiFi, LoRa, NB-IoT, and the like, and the specific communication means is selected according to the usage scenario of the device and the usage habit of the user. The main control unit 321 implements interaction and control of data of the communication unit 311 and data of the power amplifier unit 322, and may be one or a combination of a Microcontroller (MCU), a Digital Signal Processor (DSP), a Field Programmable Gate Array (FPGA), an embedded processor (ARM), or may be in the form of a hub, a bus converter, an integrated control chip, or the like.
The integrated functions of the internet of things cloud platform 2 comprise: equipment management, a rule engine, monitoring operation and maintenance, data analysis and the like:
the device management means adding and deleting devices (user terminals and wireless signal interference devices), and modifying device information (IP addresses, names, etc.).
The rule engine comprises data circulation and scene linkage; the data flow conversion is to automatically forward the data to components such as a cloud database, function calculation, table storage, message queues and the like; the scene linkage is composed of a trigger, an execution condition and an execution action, when an event appointed by the trigger occurs, the system determines whether to execute the execution action defined in the rule or not by judging whether the execution condition is met or not; if the functions of timing opening and timing closing every day are set, and when the execution conditions are met, the defined execution action is directly executed; otherwise, the operation is not executed.
The monitoring operation and maintenance comprises a real-time monitoring function of providing index data such as the number of online equipment, the state of the online equipment, the number of uplink and downlink messages, the message circulation times of a rule engine, the network state of the equipment and the like.
The data analysis function comprises data management, data development and data visualization, data query, analysis and display are facilitated, a result page is shared or embedded into a designated system, the running state of equipment is displayed in real time, and the equipment is remotely controlled.
Commercial Internet of things platform services such as the Alice cloud and the Tencent cloud can provide services used by the system such as equipment management, rule engines, monitoring operation and maintenance, data analysis and the like.
The operator can check the state of the wireless signal interference equipment through an application software interface of a user side such as a mobile phone and the like, control the wireless signal interference equipment to be turned on or turned off, and simultaneously control one or more wireless signal interference equipment 3.
The wireless signal interference equipment 3 acquires a control instruction or uploads state information in an internet of things mode, the uploaded state information comprises temperature, voltage, power, abnormity and the like, an operator can check the state information through user side software, and if the equipment fails, fault location and equipment maintenance can be carried out according to the state information;
the internet of things cloud platform 2 records and analyzes the state information uploaded by the wireless signal interference equipment 3 and pushes the state information to an operator in time. The operator may also configure a rule engine of the internet of things cloud platform 2, such as automatically triggering the wireless signal jamming device 3 to turn on or off at a specific time and a specific event.
As shown in table 1, the interference frequency range of the wireless signal interference device 3 includes, but is not limited to, the commonly used frequency bands of the wireless device, such as 1550MHz to 1610MHz, 2400MHz to 2500MHz, 5725MHz to 5875MHz, and the like;
TABLE 1
| Wireless communication system | Typical frequency |
| Frequency band | |
| 1 | 5725MHz- |
| Frequency segment | |
| 2 | 2400MHz- |
| Frequency segment | |
| 3 | 1550MHz-1610MHz |
| Frequency segment 4 | 1200MHz-1500MHz |
| Frequency segment 5 | 300MHz-1000MHz |
The number of the user terminal 1 and the number of the wireless signal interference devices 3 may be one or more, and the positions and relative distances of the user terminal 2 and the wireless signal interference devices 3 are not limited, as long as both of them can normally communicate with the internet of things cloud platform 2.
The number of operators (each corresponding to one or more user terminals) and the number of the wireless signal interference devices 3 are not limited, and one-to-one, many-to-one, one-to-many, many-to-many and other forms of control can be realized; simultaneous control, combined control, sequential control, and the like of the wireless signal jamming devices 3 disposed at different positions in the slice formation area can be achieved.
Wherein, the simultaneous control means to turn on or turn off all the wireless signal interference devices 3 in the system simultaneously; the combination control means opening or closing the wireless signal interference devices 3 in the system, and the sequence control means sequentially opening or closing the wireless signal interference devices 3 in the system by setting a sequence through the internet of things cloud platform; the automatic operation of the wireless signal interference device 3 can be realized through the function of a "rule engine", and the wireless signal interference device 3 is automatically triggered to be turned on or turned off through setting relevant rules on the internet of things cloud platform 2, such as specific time, specific events and the like.
The following illustrates one-to-one, one-to-many, many-to-one, many-to-many forms of control:
the first embodiment is as follows: one-to-one control
As shown in fig. 3, the wireless signal interference device 3 according to the embodiment of the present invention is disposed on the roof of a building, is unattended, and adopts a one-to-one control mode including 1 operator and 1 wireless signal interference device 3. When operating personnel discover that there is the unmanned aerial vehicle illegal to be close to on every side, in order to ensure regional safety, unmanned aerial vehicle interference expulsion is carried out in time, application software on the cell-phone (user side) is passed through this moment, interference opening instruction is sent to thing networking cloud platform 2, thing networking cloud platform opens the instruction according to the interference, sends control instruction to wireless signal interference equipment 3, controls it and opens, thereby realized long-range interference of opening, realize unmanned aerial vehicle's interference expulsion fast.
Example two: one-to-many control
As shown in fig. 4, the wireless signal interference device 3 according to the embodiment of the present invention is disposed on the roof or upright of a building in an area to be protected, and is unattended, and adopts a one-to-many control form including 1 operator and 4 wireless signal interference devices 3.
The operator can adopt different control modes of simultaneous control, combined control and sequential control according to different field conditions:
if an operator finds that the peripheral unmanned aerial vehicle group illegally approaches from a plurality of different directions, in order to ensure the safety of the region, interference expulsion of the unmanned aerial vehicle group from the plurality of directions is carried out in time, at the moment, a simultaneous control opening instruction is sent to the Internet of things cloud platform 2 through application software on a mobile phone, and the Internet of things cloud platform 2 forwards all wireless signal interference devices 3 in the region at the same time, so that remote opening of all the interference devices 3 is realized, and convenient and omnibearing interference expulsion of the unmanned aerial vehicle group in a large area is realized;
if the operator finds that only the unmanned aerial vehicle in the west direction is available, the operator sends a combined control starting instruction to the Internet of things cloud platform 2 through application software on the mobile phone, and only the No. 1 wireless signal interference device and the No. 3 wireless signal interference device are started to realize combined control;
if an operator finds that an unmanned aerial vehicle flies from north to south in the west direction, the unmanned aerial vehicle sends a sequence control starting instruction to the Internet of things cloud platform 2 through application software on a mobile phone, and the wireless signal interference equipment 1 and the wireless signal interference equipment 3 are started in sequence to realize sequence control.
Example three: many-to-one control
As shown in fig. 5, the wireless signal interference device according to the embodiment of the present invention is disposed on the roof or upright of the building in the area to be protected, and is unattended, and adopts a many-to-one control form, including 3 operators and 1 wireless signal interference device 3. When operating personnel 1, operating personnel 2 or operating personnel 3 discover to have the illegal time of being close to of unmanned aerial vehicle on every side, in order to ensure regional safety, in time carry out unmanned aerial vehicle's interference expulsion, three people all can send the interference to thing networking cloud platform 2 and open the instruction through the application software on the cell-phone this moment, and thing networking cloud platform 2 forwards to radio signal interference equipment 3 to realized long-range interference of opening, realized unmanned aerial vehicle's interference expulsion fast.
Example four: many-to-many control
As shown in fig. 6, the wireless signal interference device according to the embodiment of the present invention is disposed on the roof or upright of the building in the area to be protected, and is unattended, and adopts a many-to-many control form, including 2 operators and 4 wireless signal interference devices 3. When the operator 1 or the operator 2 finds that the unmanned aerial vehicle cluster is illegally approached from different directions around, in order to guarantee the safety of the region, interference eviction of the unmanned aerial vehicle cluster in multiple directions is carried out in time, at the moment, two persons can send an interference starting instruction to the internet of things cloud platform 2 through application software on a mobile phone, and the internet of things cloud platform 2 forwards the interference starting instruction to the wireless signal interference equipment 3, so that the remote interference starting is realized, and the interference eviction of the unmanned aerial vehicle cluster is quickly realized.
The invention has the beneficial effects that: the technical scheme provided by the invention can realize the networking control and the automatic control of one or more wireless signal interference devices in a wide area, and the method is free from the dependence on the number and proficiency of operators, and solves the problems of cooperative interference and agile management and control of the wireless signal interference devices in the area. The method is based on the Internet of things and an Internet of things cloud platform, the Internet of things module is cheap and mature, especially for the control of a large-area and multiple devices, the dependence on the number of personnel and the personnel capacity can be effectively reduced, the cost is low, the reliability of the Internet of things communication and the Internet of things cloud platform is good, and the actual engineering deployment and application are facilitated; especially for some scenes that people are inconvenient to approach or dangerous hidden dangers exist, the remote control of the Internet of things is a safe and effective mode.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A wireless signal interference system based on the Internet of things is characterized in that: the method comprises the following steps: the system comprises a plurality of user sides, an Internet of things cloud platform and a plurality of wireless signal interference devices; each user side and each wireless signal interference device are communicated with the Internet of things cloud platform in a wireless mode;
the user side is used for sending an interference starting instruction to the Internet of things cloud platform according to the area to be interfered;
the Internet of things cloud platform is used for sending a control instruction to wireless signal interference equipment corresponding to the to-be-interfered area according to the received interference starting instruction;
and the wireless signal interference equipment is used for sending interference signals to the area to be interfered according to the control command to carry out wireless signal interference.
2. The internet of things-based wireless signal interference system of claim 1, wherein: the user side is a mobile phone, a tablet computer or a notebook computer; the Internet of things cloud platform is an Ali cloud commercial cloud platform which is used through a cloud server or directly; the integrated functions of the Internet of things cloud platform comprise: equipment management, a rule engine, monitoring operation and maintenance and data analysis; and the user side realizes communication with the Internet of things cloud platform through a web website, an APP or a WeChat applet.
3. The internet of things-based wireless signal interference system of claim 1, wherein: the wireless signal interference equipment comprises an Internet of things communication module, a wireless signal interference module and a power supply module; the Internet of things communication module is used for communicating with the Internet of things cloud platform and comprises a communication unit and a communication antenna; the wireless signal interference module is used for interfering wireless signals and comprises a main control unit, a power amplification unit and a matched interference antenna;
the power amplifier units are a plurality of power amplifiers which are all provided with built-in signal generators; each power amplifier unit is provided with a corresponding interference antenna; each power amplifier unit is electrically connected with the main control unit, the main control unit is electrically connected with the communication unit, and the power amplifier units are communicated with the Internet of things cloud platform through a communication assembly formed by the communication unit and the communication antenna; the frequency range of the interference antenna is matched with the corresponding power amplification unit, and the output signal of the power amplification unit is converted into electromagnetic wave; the interference antenna takes the form of a directional antenna or an omnidirectional antenna.
4. The internet of things-based wireless signal interference system of claim 3, wherein: the interference frequency of the wireless signal interference equipment comprises a 1550MHz-1610MHz frequency segment, a 2400MHz-2500MHz frequency segment and a 5725MHz-5875MHz frequency segment.
5. The internet of things-based wireless signal interference system of claim 3, wherein: the frequency ranges of different power amplification units are different, and output signals of the power amplification units in different frequency ranges form interference signals of a wide frequency band.
6. The internet of things-based wireless signal interference system of claim 3, wherein: the power supply module is used for supplying power for the wireless signal interference module and the Internet of things communication module and is realized by one or more of mains supply, a direct-current power supply, a storage battery or a solar power supply mode.
7. The internet of things-based wireless signal interference system of claim 3, wherein: the communication component formed by the communication unit and the communication antenna is realized by one or more of Ethernet, cellular communication, WiFi, LoRa or NB-IoT communication modes.
8. The internet of things-based wireless signal interference system of claim 3, wherein: the main control unit is one or a combination of a microcontroller, a digital signal processor, a field programmable gate array or an embedded processor.
9. The internet of things-based wireless signal interference system of claim 2, wherein: an operator checks the state of the wireless signal interference equipment through an application software interface of a user side, controls the wireless signal interference equipment to be opened or closed, controls one or more wireless signal interference equipment through the integrated function of the Internet of things cloud platform, and realizes one-to-one, many-to-one, one-to-many or many-to-many control between the user side and the wireless signal interference equipment; simultaneous control, combined control or sequential control of wireless signal jamming devices deployed at different locations in a tiled area is achieved.
10. The internet of things-based wireless signal interference system of claim 9, wherein: the simultaneous control means that all wireless signal interference devices in the system are simultaneously turned on or off; the combination control means to turn on or turn off the wireless signal interference devices in the system, and the sequence control means to turn on or turn off the wireless signal interference devices in the system in sequence through the setting sequence of the internet of things cloud platform.
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