Mobile phone signal monitoring and shielding system

Abstract

The invention relates to the technical field of shielding systems, and discloses a mobile phone signal monitoring and shielding system, which comprises a signal detection module used for detecting the strength and frequency of a mobile phone signal in a target area in real time and obtaining signal data; the signal analysis module is used for analyzing the detected signal data and identifying different types of signal sources and intensities thereof; the signal positioning module is used for positioning the specific position of the target mobile phone so as to realize accurate interference; the signal interference module is used for generating and sending an interference signal according to the analysis and positioning result so as to shield a target mobile phone signal; and the dynamic adjustment module is used for adjusting the parameters of the interference signal according to the real-time feedback data so as to adapt to the change of the signal environment. According to the invention, mobile phone signals in a specific area can be effectively shielded, and interference to surrounding legal communication is reduced to the greatest extent; through accurate positioning and dynamic adjustment of interference signals, the system improves the efficiency and precision of signal shielding.

Description

Technical Field

[0001] The invention relates to the field of shielding systems, and in particular to a mobile phone signal monitoring and shielding system. Background Art

[0002] Mobile phone signals are electromagnetic signals transmitted via radio waves that allow mobile phones to communicate with base stations. The main types of signals involved are: Cellular signal: used for mobile phone communications and is divided into multiple frequency bands, such as 2G, 3G, 4G and 5G.

[0003] Wi-Fi signal: used for local wireless network communication, with the main frequency bands being 2.4 GHz and 5 GHz.

[0004] Bluetooth signal: used for wireless communication between short-range devices, usually operating in the 2.45 GHz frequency band.

[0005] The purpose of the mobile phone signal monitoring and shielding system is to monitor, analyze and interfere with mobile phone signals in a specific area to prevent unauthorized communications or protect the privacy of a specific place. One of the problems faced by the mobile phone signal monitoring and shielding system in the prior art is that the signal interference range is too large. Existing systems usually achieve shielding through strong signal interference means, but this not only affects the target area, but also interferes with the surrounding environment, affecting legitimate communication activities.

[0006] In order to solve the above problems, this application proposes a mobile phone signal monitoring and shielding system. Summary of the invention

[0007] 1. Purpose of the invention In order to solve the technical problems existing in the background technology, the present invention proposes a mobile phone signal monitoring and shielding system, which can effectively shield mobile phone signals in a specific area while minimizing interference to surrounding legal communications; by accurately locating and dynamically adjusting interference signals, the system improves the efficiency and accuracy of signal shielding.

[0008] (II) Technical solution In order to solve the above problems, the present invention provides a mobile phone signal monitoring and shielding system, comprising: Signal detection module, used to detect the mobile phone signal strength and frequency in the target area in real time and obtain signal data; A signal analysis module is used to analyze the detected signal data and identify different types of signal sources and their strengths; Signal positioning module, used to locate the specific location of the target mobile phone to achieve precise interference; The signal jammer module generates and sends jammer signals based on the analysis and positioning results to shield the target mobile phone signal; A dynamic adjustment module is used to adjust the parameters of the interference signal according to real-time feedback data to adapt to changes in the signal environment; Feedback monitoring module, used to monitor the interference effect of the system and ensure the effectiveness of signal shielding; User interface module, which provides the system operation interface and status display, making it convenient for users to set up and monitor; The data storage module is used to store detection data, analysis results and interference records for subsequent query and analysis.

[0009] Preferably, the signal detection module includes: Antenna array, used to receive mobile phone signals in the target area, including multiple antennas to cover different frequency bands; The RF front end amplifies, filters, and frequency-converts the analog signal received by the antenna into a signal suitable for subsequent processing; Analog-to-digital converter (ADC), which converts the analog signal output by the RF front end into a digital signal for digital signal processing; A signal processor is used to perform preliminary processing on digital signals, such as signal enhancement, noise removal, and extraction of signal strength and frequency information; The data transmission interface transmits the processed signal data to the signal analysis module.

[0010] Preferably, the signal analysis module includes: Digital signal processor (DSP), used for in-depth analysis of received signal data, such as spectrum analysis and signal identification; Algorithm library, which contains various algorithms for signal analysis, such as spectrum estimation algorithm and signal classification algorithm; An analysis result processor generates an analysis report or instruction, such as signal type and strength information, based on the algorithm processing results in the algorithm library; Data output interface, used to transmit analysis results to the signal interference module and signal positioning module.

[0011] Preferably, the signal positioning module includes: The positioning algorithm processor uses the data provided by the signal analysis module and the positioning algorithm to calculate the location of the mobile phone; Map database, which stores geographic location information and is used to assist the positioning algorithm in calculating the location; The positioning result is output and the positioning information is transmitted to the signal interference module for precise interference.

[0012] Preferably, the signal interference module includes: A frequency synthesizer generates an interference signal with a frequency close to that of the target signal based on the information provided by the signal analysis module and the signal positioning module; A power amplifier amplifies the interference signal to achieve sufficient interference power; Directional antennas are used to transmit interference signals to the target mobile phone location, reducing interference to other areas; The interference signal controller adjusts the parameters of the interference signal according to the instructions of the dynamic adjustment module.

[0013] Preferably, the dynamic adjustment module includes: A strategy generator generates an adjustment plan for the interference strategy based on the data provided by the feedback monitoring module; A parameter adjuster, which adjusts the parameters of the signal jammer module according to the instructions of the strategy generator; Real-time data analyzer, which performs real-time analysis on the data from the feedback monitoring module to evaluate the interference effect.

[0014] Preferably, the feedback monitoring module includes: Monitoring antennas, which receive signals within the target area to assess the effectiveness of the jamming; Monitor the signal processor to analyze the received signal and determine whether the interference is effective; Feedback data transmission interface transmits monitoring data to the dynamic adjustment module.

[0015] Preferably, the user interface module includes: Display screen, used to show system status, setting options and monitoring results; Input devices, used to allow users to enter settings and instructions; A user interface processor, which is used to process user input and transmit instructions to corresponding modules; Status display logic, updates the information on the display screen according to the system status.

[0016] Preferably, the data storage module includes: Storage medium for storing detection data, analysis results and interference records; Data manager, which manages data on storage media, including data reading, writing, indexing, and querying; Data security processors to ensure the security and integrity of stored data, such as data encryption, backup and recovery functions.

[0017] Preferably, the signal strength calculation formula is: P received =P transmitted -10log 10 (d 2 )-L; P received : received signal strength (dBm); P transmitted: Transmitted signal strength (dBm); d: signal propagation distance (meters); L: path loss (dB); Positioning algorithm: Use triangulation to determine the location of the signal source: x=(d1 2 -d2 2 +R2 2 ) / 2R2; y=(d1 2 -d3 2 +R3 2 ) / 2R3; d1, d2, d3: distance from each receiver to the signal source; R2, R3: Relative positions of receivers.

[0018] The above technical solution of the present invention has the following beneficial technical effects: The system detects mobile phone signals in the target area in real time, uses the signal analysis module to identify the signal type and strength, and uses the signal positioning module to determine the location of the signal source. The signal interference module generates appropriate interference signals based on the analysis and positioning results. The dynamic adjustment module adjusts the interference strategy in real time based on feedback data to ensure that the target signal is shielded while reducing the impact on surrounding communications. The system's user interface module and data storage module provide convenient operation and data recording functions, making system management and optimization more efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 The present invention provides a schematic structural diagram of a mobile phone signal monitoring and shielding system. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the present invention clearer, the present invention is further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the present invention. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the present invention.

[0021] like Figure 1 As shown, a mobile phone signal monitoring and shielding system proposed by the present invention comprises: Signal detection module, used to detect the mobile phone signal strength and frequency in the target area in real time and obtain signal data; The signal detection module includes: Antenna array, used to receive mobile phone signals in the target area, including multiple antennas to cover different frequency bands; The RF front end amplifies, filters, and frequency-converts the analog signal received by the antenna into a signal suitable for subsequent processing; Analog-to-digital converter (ADC), which converts the analog signal output by the RF front end into a digital signal for digital signal processing; A signal processor is used to perform preliminary processing on digital signals, such as signal enhancement, noise removal, and extraction of signal strength and frequency information; The data transmission interface transmits the processed signal data to the signal analysis module.

[0022] A signal analysis module is used to analyze the detected signal data and identify different types of signal sources and their strengths; The signal analysis module includes: Digital signal processor (DSP), used for in-depth analysis of received signal data, such as spectrum analysis and signal identification; Algorithm library, which contains various algorithms for signal analysis, such as spectrum estimation algorithm and signal classification algorithm; An analysis result processor generates an analysis report or instruction, such as signal type and strength information, based on the algorithm processing results in the algorithm library; Data output interface, used to transmit analysis results to the signal interference module and signal positioning module.

[0023] Signal positioning module, used to locate the specific location of the target mobile phone to achieve precise interference; The signal positioning module includes: The positioning algorithm processor uses the data provided by the signal analysis module and the positioning algorithm to calculate the location of the mobile phone; Map database, which stores geographic location information and is used to assist the positioning algorithm in calculating the location; The positioning result is output and the positioning information is transmitted to the signal interference module for precise interference.

[0024] The signal jammer module generates and sends jammer signals based on the analysis and positioning results to shield the target mobile phone signal; The signal jammer module includes: A frequency synthesizer generates an interference signal with a frequency close to that of the target signal based on the information provided by the signal analysis module and the signal positioning module; A power amplifier amplifies the interference signal to achieve sufficient interference power; Directional antennas are used to transmit interference signals to the target mobile phone location, reducing interference to other areas; The interference signal controller adjusts the parameters of the interference signal according to the instructions of the dynamic adjustment module.

[0025] A dynamic adjustment module is used to adjust the parameters of the interference signal according to real-time feedback data to adapt to changes in the signal environment; The dynamic adjustment module includes: A strategy generator generates an adjustment plan for the interference strategy based on the data provided by the feedback monitoring module; A parameter adjuster, which adjusts the parameters of the signal jammer module according to the instructions of the strategy generator; Real-time data analyzer, which performs real-time analysis on the data from the feedback monitoring module to evaluate the interference effect.

[0026] Feedback monitoring module, used to monitor the interference effect of the system and ensure the effectiveness of signal shielding; The feedback monitoring module includes: Monitoring antennas, which receive signals within the target area to assess the effectiveness of the jamming; Monitor the signal processor to analyze the received signal and determine whether the interference is effective; Feedback data transmission interface transmits monitoring data to the dynamic adjustment module.

[0027] User interface module, which provides the system operation interface and status display, making it convenient for users to set up and monitor; The user interface module includes: Display screen, used to show system status, setting options and monitoring results; Input devices, used to allow users to enter settings and instructions; A user interface processor, which is used to process user input and transmit instructions to corresponding modules; Status display logic, updates the information on the display screen according to the system status.

[0028] The data storage module is used to store detection data, analysis results and interference records for subsequent query and analysis.

[0029] The data storage module includes: Storage medium for storing detection data, analysis results and interference records; Data manager, which manages data on storage media, including data reading, writing, indexing, and querying; Data security processors to ensure the security and integrity of stored data, such as data encryption, backup and recovery functions.

[0030] Signal strength calculation formula: P received =P transmitted -10log 10 (d 2 )-L; P received: received signal strength (dBm); P transmitted : Transmitted signal strength (dBm); d: signal propagation distance (meters); L: path loss (dB); Positioning algorithm: Use triangulation to determine the location of the signal source: x=(d1 2 -d2 2 +R2 2 ) / 2R2; y=(d1 2 -d3 2 +R3 2 ) / 2R3; d1, d2, d3: distance from each receiver to the signal source; R2, R3: Relative positions of receivers.

[0031] In the present invention, signal detection module → signal analysis module: The signal data detected by the signal detection module in real time is transmitted to the signal analysis module for processing and analysis.

[0032] Signal analysis module → signal interference module: The data processed by the signal analysis module will be passed to the signal interference module to generate interference signals.

[0033] Signal analysis module → signal positioning module: The signal strength information in the analysis results is passed to the signal positioning module to help determine the location of the signal source.

[0034] Signal positioning module → signal interference module: The location information provided by the positioning module is used to adjust the interference signal transmission direction and strength of the signal interference module.

[0035] Signal interference module → dynamic adjustment module: The interference signal information of the signal interference module is transmitted to the dynamic adjustment module so as to make adjustments according to environmental changes.

[0036] Dynamic adjustment module → signal interference module: The dynamic adjustment module adjusts the parameters of the interference signal according to the feedback and sends the adjustment instructions back to the signal interference module.

[0037] Feedback monitoring module → dynamic adjustment module: The monitoring data provided by the feedback monitoring module is fed back to the dynamic adjustment module to optimize the interference strategy.

[0038] User Interface Modules ↔ All Modules: The user interface module is connected to all other modules, providing the system's operating interface and status display, allowing users to view and adjust system settings.

[0039] Data storage module ↔ signal detection module, signal analysis module, feedback monitoring module: The data storage module saves all relevant data and is connected to the signal detection, analysis and feedback monitoring module to store detection data, analysis results and monitoring records.

[0040] It should be understood that the above specific embodiments of the present invention are only used to illustrate or explain the principles of the present invention, and do not constitute a limitation of the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. In addition, the appended claims of the present invention are intended to cover all changes and modifications that fall within the scope and boundaries of the appended claims, or the equivalent forms of such scope and boundaries.

Claims

1. A mobile phone signal monitoring and shielding system, characterized in that: include: Signal detection module, used to detect the mobile phone signal strength and frequency in the target area in real time and obtain signal data; A signal analysis module is used to analyze the detected signal data and identify different types of signal sources and their strengths; Signal positioning module, used to locate the specific location of the target mobile phone; The signal jammer module generates and sends jammer signals based on the analysis and positioning results to shield the target mobile phone signal; A dynamic adjustment module is used to adjust the parameters of the interference signal according to real-time feedback data to adapt to changes in the signal environment; Feedback monitoring module, used to monitor the interference effect of the system; User interface module, providing the system operation interface and status display; The data storage module is used to store detection data, analysis results and interference records.

2. A mobile phone signal monitoring and shielding system according to claim 1, characterized in that: The signal detection module includes: Antenna array, used to receive mobile phone signals in the target area, including multiple antennas to cover different frequency bands; The RF front end amplifies, filters, and frequency-converts the analog signal received by the antenna into a signal suitable for subsequent processing; Analog-to-digital converter, which converts the analog signal output by the RF front end into a digital signal; A signal processor, used for performing preliminary processing on digital signals; The data transmission interface transmits the processed signal data to the signal analysis module.

3. A mobile phone signal monitoring and shielding system according to claim 2, characterized in that: The signal analysis module includes: A digital signal processor for in-depth analysis of received signal data; Algorithm library, which contains various algorithms for signal analysis; An analysis result processor generates an analysis report or instructions according to the algorithm processing results in the algorithm library; Data output interface, used to transmit analysis results to the signal interference module and signal positioning module.

4. A mobile phone signal monitoring and shielding system according to claim 3, characterized in that: The signal positioning module includes: The positioning algorithm processor uses the data provided by the signal analysis module and the positioning algorithm to calculate the location of the mobile phone; Map database, which stores geographic location information and is used to assist the positioning algorithm in calculating the location; The positioning result is output and the positioning information is transmitted to the signal interference module.

5. A mobile phone signal monitoring and shielding system according to claim 4, characterized in that: The signal jammer module includes: A frequency synthesizer generates an interference signal with a frequency close to that of the target signal based on the information provided by the signal analysis module and the signal positioning module; A power amplifier amplifies the interference signal; Directional antenna, used to transmit interference signals to the target mobile phone location; The interference signal controller adjusts the parameters of the interference signal according to the instructions of the dynamic adjustment module.

6. A mobile phone signal monitoring and shielding system according to claim 5, characterized in that: The dynamic adjustment module includes: A strategy generator generates an adjustment plan for the interference strategy based on the data provided by the feedback monitoring module; A parameter adjuster, which adjusts the parameters of the signal jammer module according to the instructions of the strategy generator; Real-time data analyzer, which performs real-time analysis on the data from the feedback monitoring module to evaluate the interference effect.

7. A mobile phone signal monitoring and shielding system according to claim 6, characterized in that: The feedback monitoring module includes: Monitoring antennas, which receive signals within the target area to assess the effectiveness of the jamming; Monitor the signal processor to analyze the received signal and determine whether the interference is effective; Feedback data transmission interface transmits monitoring data to the dynamic adjustment module.

8. A mobile phone signal monitoring and shielding system according to claim 7, characterized in that: The user interface module includes: Display screen, used to show system status, setting options and monitoring results; Input devices, used to allow users to enter settings and instructions; A user interface processor, which is used to process user input and transmit instructions to corresponding modules; Status display logic, updates the information on the display screen according to the system status.

9. A mobile phone signal monitoring and shielding system according to claim 8, characterized in that: The data storage module includes: Storage medium for storing detection data, analysis results and interference records; Data manager, which manages data on storage media, including data reading, writing, indexing, and querying; Data security processor to ensure the security and integrity of stored data.

10. A mobile phone signal monitoring and shielding system according to claim 9, characterized in that: Signal strength calculation formula: P received =P transmitted -10log 10 (d 2 )-L P received : received signal strength; P transmitted : Transmitted signal strength; d: signal propagation distance; L: path loss; Positioning algorithm: Use trilateration to determine the location of the signal source: <h2 style=";text-align:left;direction:ltr">x=(d1)<h2 style=";text-align:left;direction:ltr"> 2 <h2 style=";text-align:left;direction:ltr"> -d2<h2 style=";text-align:left;direction:ltr"> 2 <h2 style=";text-align:left;direction:ltr"> +R2<h2 style=";text-align:left;direction:ltr"> 2 <h2 style=";text-align:left;direction:ltr"> ) / 2R2; y=(d1 2 -d3 2 +R3 2 ) / 2R3: d1, d2, d3: distance from each receiver to the signal source; R2, R3: Relative positions of receivers.

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