CN114142949A - Virtual-real cooperation-based interference simulation platform and interference simulation implementation method - Google Patents

Virtual-real cooperation-based interference simulation platform and interference simulation implementation method Download PDF

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CN114142949A
CN114142949A CN202111435297.0A CN202111435297A CN114142949A CN 114142949 A CN114142949 A CN 114142949A CN 202111435297 A CN202111435297 A CN 202111435297A CN 114142949 A CN114142949 A CN 114142949A
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interference
platform
radio frequency
signal
frequency front
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CN114142949B (en
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付垠凯
李民
刘垚圻
李红光
石晶林
周德恒
周一青
施渊籍
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Zhongke Nanjing Mobile Communication And Computing Innovation Research Institute
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Zhongke Nanjing Mobile Communication And Computing Innovation Research Institute
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B17/00Monitoring; Testing
    • H04B17/0082Monitoring; Testing using service channels; using auxiliary channels
    • H04B17/0085Monitoring; Testing using service channels; using auxiliary channels using test signal generators
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B17/00Monitoring; Testing
    • H04B17/0082Monitoring; Testing using service channels; using auxiliary channels
    • H04B17/0087Monitoring; Testing using service channels; using auxiliary channels using auxiliary channels or channel simulators
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • H04W24/06Testing, supervising or monitoring using simulated traffic
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Radio Relay Systems (AREA)

Abstract

The invention provides an interference simulation platform based on virtual-real cooperation and an interference simulation implementation method. The interference simulation platform design and implementation method is suitable for various communication environments, can generate various interference signals, provides targeted tests for communication transmission, can provide help for the test of an anti-interference algorithm, provides a prototype test environment for the anti-interference algorithm in key fields such as satellite communication, and prevents the disadvantage in communication countermeasure. In addition, the method is set in the aspects of virtual and real mapping platform interfaces, interactive structures, parameter configuration methods, interference data generation modes, realization and loading of various interference modes, interference functions of selectable modulation modes and the like, and achieves the purpose of stronger interference effect while meeting wider requirements.

Description

Virtual-real cooperation-based interference simulation platform and interference simulation implementation method
Technical Field
The invention relates to an interference simulation platform based on virtual-real cooperation and an interference simulation implementation method, in particular to the technical field of wireless communication.
Background
With the development of communication technology, electromagnetic interference is stronger and stronger, and therefore, higher requirements on signal interference resistance and transmission stability are provided in the field of satellite communication. Under the background, various colleges and universities, scientific research institutions and communication companies develop researches on anti-interference algorithms and obtain more results, but the performance of the anti-interference algorithms is difficult to verify, and the support of conclusions by only depending on theoretical results and the verification of a software simulation platform is slightly insufficient, so that simulation tests need to be carried out through a real jammer to cooperate with explanation.
In the prior art, the existing interference unit mainly interferes the mobile phone or the WIFI communication, the supported interference frequency band is relatively fixed, the verification and the support of the algorithm are relatively simple, the interference can be avoided only by adjusting the frequency of the transmitting signal, and the requirements of various interference tests cannot be met. In addition, it is often difficult to satisfy the requirement of diversified interference signals by implementing the communication link through fixed hardware devices.
Disclosure of Invention
The purpose of the invention is as follows: the interference simulation platform based on virtual-real cooperation and the interference simulation realization method are provided, and simulation tests are provided for communication link transmission, particularly in the aspect of anti-interference capability, so that the problems in the prior art are solved.
The technical scheme is as follows: in a first aspect, an interference simulation platform based on virtual-real cooperation is provided, where the platform specifically includes:
a radio frequency front end comprising a receiver radio frequency front end and a transmitter radio frequency front end, arranged for reception of a signal to be interfered and transmission of an interference signal;
the remote comprehensive control platform is set to interact with a user to complete the setting of parameters of the jammer;
the software radio platform interference machine comprises interference machine software which is set to perform digital signal processing according to parameters set by a remote comprehensive control platform and perform parameter configuration on the radio frequency front end to generate interference signals.
In some implementation manners of the first aspect, the remote integrated management and control platform deploys communication scenes to be tested and the number of jammers according to user requirements, and generates a configuration file; secondly, reading a configuration file transmitted by the remote control platform by the software radio platform interference machine, configuring an interference mode according to parameters in the configuration file and generating an interference signal; then, processing the digital signal according to a preset modulation mode, setting parameters of the radio frequency front end, and transmitting the generated interference signal to the radio frequency front end; finally, the radio frequency front end receives and transmits the interfering signal at the specified gain, frequency, and bandwidth.
The comprehensive test verification platform based on the virtual-real combination can generate various interference signals, is suitable for various communication environments, provides targeted tests for communication transmission, can also provide help for the tests of anti-interference algorithms, provides a prototype test environment for anti-interference algorithms in key fields such as satellite communication, and prevents the disadvantages in communication countermeasures.
In some implementation manners of the first aspect, in the adaptive interference mode, a receiving antenna of the radio frequency front end intercepts a signal to be interfered in a frequency sweeping manner, and transmits data to the digital signal processing portion, and the digital signal processing portion adaptively performs parameter configuration according to the signal to be interfered, generates and transmits a corresponding interference signal, thereby implementing tracking interference.
In some implementations of the first aspect, when the remote integrated management and control platform performs data transmission with the software radio platform jammer, the method further includes: starting test, parameter transmission, parameter updating, state acquisition, suspending test and stopping test.
When the remote comprehensive control platform and the software radio platform interference machine carry out data transmission, the remote comprehensive control platform and the software radio platform interference machine are controlled through a shell script; the parameters involved in the parameter transmission and parameter update are transmitted through files, and further, the parameters set by a user are stored in a configuration file and transmitted to the software radio platform interference machine.
When the radio frequency front end and the software radio platform jammer perform data transmission, the method further comprises the following steps: creating equipment, transmitting data of received signals and transmitted signals, setting parameters of a radio frequency front end, receiving and transmitting signals, and stopping transmitting five data interaction processing flows.
And when the radio frequency front end and the software radio platform jammer transmit data, the function in the radio frequency front end equipment is called to realize the data transmission.
In some implementation manners of the first aspect, when the software radio platform jammer performs data interaction with the remote integrated control platform and the radio frequency front end, the specific steps are as follows:
step 1, reading parameters according to a parameter configuration file transmitted by the remote comprehensive management and control platform;
step 2, judging whether the read parameters are manual interference or not; when the judgment result is manual interference, reading parameters required by the manual interference; when the judgment result is automatic interference, basic parameter setting is carried out on the radio frequency front end of the receiver, the receiver intercepts a signal to be interfered, the signal is processed, and self-adaptive parameter generation is carried out according to the characteristics of the signal;
step 3, acquiring corresponding configuration parameters according to the judgment result;
step 4, setting a corresponding interference generation mode according to the read configuration parameters;
step 5, generating interference data according to an interference generation mode;
step 6, modulating according to a preset modulation mode to obtain coordinates of constellation points corresponding to each interference data;
step 7, transmitting the constellation point coordinates of the interference data to a transmitter radio frequency front end for setting the transmitter radio frequency front end;
and 8, the radio frequency front end transmits an interference signal with specified gain, frequency and bandwidth.
In some implementations of the first aspect, the software radio platform jammer internal radio implementation method specifically includes: the device comprises a parameter configuration file reading module, a random information source generating module, a signal modulation module, a radio frequency configuration module, a flow control module and a signal transmitting module.
Further, the parameter configuration file module is configured to read parameter information from a parameter configuration file transmitted by the remote integrated control platform; the parameter information includes: configuration of each parameter, modulation mode adopted, and mode of generating interference data.
The random source generation module is used for generating random interference data.
And the signal modulation module is used for mapping the interference data generated by the random information source generation module to corresponding constellation points according to the selected modulation mode and returning the complex coordinate values corresponding to the constellation points.
The radio frequency configuration module is used for configuring the radio frequency front end according to the acquired parameters.
The process control module is used for controlling the operation process and updating the configuration parameters.
The signal transmitting module is used for transmitting the signal generated by the signal modulating module and is responsible for setting the transmitting time of the signal and the data quantity contained in each packet.
The random source generation module comprises two modes for generating interference data. Specifically, the first way of generating the interference data is as follows: reading the form of the configuration file, and reading interference data according to the configuration file provided by a user; a second way to generate interference data is: and randomly generating interference data which obey a Gaussian distribution and uniform distribution model according to preset random seeds.
The modulation mode selected by the signal modulation module comprises: BPSK, QPSK, 8PSK, and 16 QAM.
When the radio frequency configuration module configures the radio frequency front end, the method further includes: setting the clock frequency, the transmission frequency, the bandwidth and the gain of the radio frequency front end.
The operation flow controlled by the flow control module further comprises: pause of the program, end of the program, and loop of the program.
When the process control module updates the configuration parameters, the process control module further comprises: manually updating the parameter configuration in a manual interference mode; and under the self-adaptive interference mode, when the triggering condition is met, the configuration parameters are updated in a self-adaptive dynamic mode according to the threshold value of the preset parameters.
In some implementation manners of the first aspect, the virtual-real cooperation-based interference simulation platform further includes a virtual-real mapping platform interface, and the virtual-real mapping platform interface is embedded in any one of the simulation platforms to implement simultaneous test with other communication devices.
In a second aspect, a simulation method based on an interference simulation platform is provided, and the method specifically includes the following steps:
the method comprises the steps that firstly, a remote comprehensive control platform transmits a parameter configuration file to a software radio platform interference machine;
reading parameters and judging interference by the software radio platform interference machine according to the received configuration parameter file, and acquiring the parameters according to the judgment result;
setting a corresponding interference generation mode according to the acquired configuration parameters;
generating interference data according to an interference generation mode;
modulating according to a preset modulation mode to obtain coordinates of constellation points corresponding to each interference data, and transmitting the coordinates to a radio frequency front end of a transmitter for setting the radio frequency front end of the transmitter;
and step six, the radio frequency front end transmits an interference signal with specified gain, frequency and bandwidth.
Has the advantages that: the invention provides an interference simulation platform based on virtual-real cooperation and an interference simulation implementation method, wherein the interference simulation platform architecture from a remote control platform to an interference machine implementation method and then to a radio frequency front end is set, and the interference simulation platform architecture is specifically set in the aspects of virtual-real mapping platform interface, interactive structure, parameter configuration method, interference data generation mode, realization and loading of various interference modes, interference function of selectable modulation modes and the like, so that the purpose of stronger interference effect is achieved while wider requirements are met. In addition, the method can realize parameter setting of various interference modes in the virtual-real cooperative platform, can be integrated in each simulation test platform by transmitting the interference signal through the radio frequency front end, and provides multi-dimensional tests for transmission of a communication link, particularly an anti-interference algorithm.
Drawings
Fig. 1 is an overall architecture diagram of an interference simulation platform combining virtuality and reality according to the present invention.
FIG. 2 is a diagram of the external interaction architecture of the present invention.
Fig. 3 is a flow chart of the software radio implementation method of the jammer of the present invention.
Fig. 4 is a constellation diagram of an undisturbed communication link.
Fig. 5 is a constellation diagram of an interfered communication link.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the invention.
The applicant thinks that along with the development of communication technology, the research of the anti-interference algorithm gradually permeates all industries, but the performance of the anti-interference algorithm is difficult to verify, so that the performance verification is carried out by the cooperation of an interference machine. In the prior art, a communication link is often realized by using fixed hardware equipment, and compared with an emerging software radio technology, the requirement of diversified interference signals is often difficult to meet by using the hardware equipment.
In order to solve the problems, the application provides an interference simulation platform based on virtual-real cooperation and an interference simulation implementation method, the virtual-real cooperation platform combining a software radio technology and a radio frequency front end is used, digital signal processing is achieved through software, functions of coding, interleaving, decoding, modulating, demodulating and the like of signals are achieved rapidly, cost and implementation difficulty are reduced to a great extent, and one set of hardware equipment can meet multiple test functions. The method comprises the steps that a user configures scenes on a remote control platform, relevant parameters of an interference machine are transmitted to a computer, the computer loads a theoretical model according to a parameter configuration file by using a software radio technology, performs digital signal processing, generates various interference signals, configures a radio frequency front end and transmits relevant data to the radio frequency front end, and finally the radio frequency front end realizes various interference modes and transmits the corresponding interference signals. By the framework, virtual-real cooperation from a scene to a model to a real object is realized. The development speed of the communication module can be accelerated through software, the development cost is reduced, and early-stage debugging and later-stage maintenance are facilitated.
In one embodiment, an interference simulation platform based on virtual-real cooperation is provided, and is used for realizing virtual-real cooperation from a scene to a model to a real object. Specifically, as shown in fig. 1, the interference simulation platform based on virtual-real cooperation includes:
a radio frequency front end comprising a receiver radio frequency front end and a transmitter radio frequency front end, arranged for reception of a signal to be interfered and transmission of an interference signal;
the remote comprehensive control platform is set to interact with a user to complete the setting of parameters of the jammer;
the software radio platform interference machine comprises interference machine software which is set to perform digital signal processing according to parameters set by a remote comprehensive control platform and perform parameter configuration on the radio frequency front end to generate interference signals.
In a further embodiment, the remote comprehensive management and control platform deploys communication scenes to be tested and the number of the jammers according to user requirements and generates a configuration file; secondly, the software radio platform jammer reads a configuration file transmitted by the remote control platform, generates an interference signal according to the parameters, processes the baseband digital signal, sets the parameters of the radio frequency front end and transmits the generated interference signal to the radio frequency front end; finally, the radio frequency front end receives and transmits the interfering signal at the specified gain, frequency, and bandwidth.
Specifically, in a preferred embodiment, the interference simulation platform based on virtual-real cooperation is divided into three parts, wherein the first part is a remote comprehensive control platform and is responsible for interaction with a user to complete setting of parameters of the interference machine; the second part is a software radio platform interference machine which is responsible for carrying out digital signal processing according to parameters of the interference machine, configuring a radio frequency front end and generating an interference signal; the third part is a radio frequency front end which is responsible for receiving the signal to be interfered and transmitting the interference signal.
The three parts are specifically as follows: the remote control platform is mainly responsible for interaction with users, and the users deploy scenes on the remote control platform, namely, what communication scenes need to be tested and simulated, the number of the jammers, parameters of each jammer and the like. The software radio platform jammer is a main part of the embodiment, and the part realizes jammer software through a software radio technology, completes interaction with a remote control platform, a digital signal processing part of the jammer, and interaction with a radio frequency front end. The jammer software is mainly responsible for reading configuration files transmitted by the remote control platform, generating interference signals according to the parameters, processing baseband digital signals, setting the parameters of the radio frequency front end, completing realization and loading of various interference modes, transmitting the generated interference signals to the radio frequency front end and the like. The third part is the radio frequency front end, which is responsible for analog/digital conversion to receive and transmit the interfering signal with specified gain, frequency and bandwidth.
The comprehensive test verification platform based on the combination of the virtual and the real is used for providing simulation tests for communication link transmission, particularly on the aspect of anti-interference capability. The interference simulation platform design and implementation method is suitable for various communication environments, can generate various interference signals, provides targeted tests for communication transmission, can provide help for the test of an anti-interference algorithm, provides a prototype test environment for the anti-interference algorithm in key fields such as satellite communication, and prevents the disadvantage in communication countermeasure.
In a further embodiment, in the adaptive interference mode, a receiving antenna at the radio frequency front end intercepts a signal to be interfered in a frequency sweeping manner, and transmits data to the digital signal processing part, and the digital signal processing part adaptively performs parameter configuration according to the signal to be interfered, generates and transmits a corresponding interference signal, thereby realizing tracking interference.
In a further embodiment, as shown in fig. 2, the interaction between the virtual-real cooperation-based interference simulation platform and the software radio platform jammer is further configured, specifically, when the remote integrated control platform performs data transmission with the software radio platform jammer, the method further includes: starting test, parameter transmission, parameter updating, state acquisition, suspending test and stopping test; all interaction actions are controlled through a shell script, parameters in parameter transmission and parameter updating are transmitted through files, and parameters set by a user are stored in a configuration file and transmitted to the interference machine software radio implementation method through a remote control platform.
When the radio frequency front end and the software radio platform jammer perform data transmission, the method further comprises the following steps: the method comprises five data interaction processing flows of creating equipment, transmitting received signal and transmitted signal data, setting radio frequency front end parameters, receiving and transmitting signals and stopping transmitting, wherein the interaction actions are realized by calling functions in the radio frequency front end equipment.
In a further embodiment, when the software radio platform jammer performs data interaction with the remote integrated control platform and the radio frequency front end, the specific steps are as follows:
step 1, reading parameters according to a parameter configuration file transmitted by the remote comprehensive management and control platform;
step 2, judging whether the read parameters are manual interference or not; when the judgment result is manual interference, reading parameters required by the manual interference; when the judgment result is automatic interference, basic parameter setting is carried out on the radio frequency front end of the receiver, the receiver intercepts a signal to be interfered, the signal is processed, and self-adaptive parameter generation is carried out according to the characteristics of the signal;
step 3, acquiring corresponding configuration parameters according to the judgment result;
step 4, setting a corresponding interference generation mode according to the read configuration parameters;
step 5, generating interference data according to an interference generation mode;
step 6, modulating according to a preset modulation mode to obtain coordinates of constellation points corresponding to each interference data;
step 7, transmitting the constellation point coordinates of the interference data to a transmitter radio frequency front end for setting the transmitter radio frequency front end;
and 8, the radio frequency front end transmits an interference signal with specified gain, frequency and bandwidth.
In a preferred embodiment, as shown in fig. 3, firstly, parameter reading is performed according to a parameter configuration file transmitted by a remote management and control platform; secondly, judging according to the read parameters, judging whether the signals are manual interference or not, if the signals are manual interference, reading parameters required by the manual interference, if the signals are automatic interference, setting basic parameters of a radio frequency front end (receiver), intercepting the signals to be interfered by the receiver, processing the signals, and generating self-adaptive parameters according to the characteristics of the signals; then, after the parameter reading is completed, the interference mode is set, then, the interference data is read or generated according to the set interference data generation mode, the modulation is performed according to the set modulation mode, the coordinate of the constellation point corresponding to each interference data is obtained, finally, the setting of a radio frequency front end (transmitter) is performed, the constellation point coordinate of the interference data is transmitted to the radio frequency front end, and the radio frequency front end transmits the interference signal with the designated gain, frequency and bandwidth.
The parameters can be updated in real time in the process of transmitting the interference signals, and the new parameters can be used for transmitting the interference signals at any time.
The method for realizing the software radio of the jammer specifically comprises modules of reading a parameter configuration file, generating a random information source, modulating a signal, configuring a radio frequency, controlling a process, transmitting the signal and the like, wherein:
the parameter configuration file reading module is used for reading information such as configuration, an adopted modulation mode and a mode for generating interference data of each parameter from the parameter configuration file transmitted by the remote control platform.
The method mainly provides two modes, namely a file reading mode and a file reading interference data reading mode according to a file provided by a user, and aims to test whether the transmitted specific interference data has better interference performance, and the second mode is to randomly generate the interference data which obey models such as Gaussian distribution and uniform distribution according to set random seeds.
The signal modulation module is responsible for mapping interference data generated by the random information source module to corresponding constellation points according to the selected modulation mode, and returning complex coordinate values corresponding to the constellation points, wherein the selectable modulation modes comprise BPSK, QPSK, 8PSK, 16QAM and the like.
The radio frequency configuration module is responsible for configuring the radio frequency front end (receiver/transmitter) according to the read or generated parameters, including setting the clock frequency, the transmission frequency, the bandwidth, the gain and the like of the radio frequency front end.
The flow control module is responsible for controlling the flows of the control program such as pause, end, cycle control and the like, and also comprises the realization of the functions of parameter reconfiguration and the like, the parameter configuration can be manually updated in a manual interference mode, and the parameters can be automatically reconfigured dynamically according to the threshold values of parameters such as gain, frequency and the like which are set in advance in a self-adaptive interference mode when the triggering conditions are met, so that the tracking interference is realized.
The signal transmitting module is responsible for transmitting the signals generated by the signal modulating module, and the signal transmitting module is responsible for setting the transmitting time of the signals, whether the signals are transmitted immediately, the data quantity contained in each packet and the like.
In a further embodiment, the virtual-real cooperation-based interference simulation platform further comprises a virtual-real mapping platform interface, which can be embedded in various simulation platforms to be a part of the system, and can also run independently, so that interference signals with controllable frequency, bandwidth, modulation mode, gain and the like can be simulated in real time, and a controllable complex interference signal environment is provided for testing a communication link and verifying an anti-interference algorithm. Under the condition of manual interference, various interference modes such as comb interference, frequency sweep interference, single tone interference, multi-tone interference, broadband interference and the like can be realized in the modes of amplitude modulation, frequency modulation, phase modulation, noise addition and the like, under the condition of self-adaptive interference, an effective interference function can be realized without complicated parameter setting, and meanwhile, the self-adaptive interference system has frequency hopping signal interception capability, automatically changes the frequency of an interference signal, so that tracking type interference aiming at the frequency hopping signal is simulated in real time, and a real interference signal environment is provided for countermeasure in a communication system; in addition, the system also has a continuous multi-task working mode, can realize more complex signal environment simulation, and simulates the dynamic change of the signal environment for a long time; by adopting an open architecture and a modular design, the system is convenient for inserting new functions so as to meet the countercheck requirement of an anti-interference system in the future.
In one embodiment, a simulation method based on an interference simulation platform is provided, and the method specifically includes the following steps:
the method comprises the steps that firstly, a remote comprehensive control platform transmits a parameter configuration file to a software radio platform interference machine;
reading parameters and judging interference by the software radio platform interference machine according to the received configuration parameter file, and acquiring the parameters according to the judgment result;
setting a corresponding interference generation mode according to the acquired configuration parameters;
generating interference data according to an interference generation mode;
modulating according to a preset modulation mode to obtain coordinates of constellation points corresponding to each interference data, and transmitting the coordinates to a radio frequency front end of a transmitter for setting the radio frequency front end of the transmitter;
and step six, the radio frequency front end transmits an interference signal with specified gain, frequency and bandwidth.
As noted above, while the present invention has been shown and described with reference to certain preferred embodiments, it is not to be construed as limited thereto. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. An interference simulation platform based on virtual-real cooperation is characterized by specifically comprising:
a radio frequency front end comprising a receiver radio frequency front end and a transmitter radio frequency front end, arranged for reception of a signal to be interfered and transmission of an interference signal;
the remote comprehensive control platform is set to interact with a user to complete the setting of parameters of the jammer;
the software radio platform interference machine comprises interference machine software which is set to perform digital signal processing according to parameters set by a remote comprehensive control platform and perform parameter configuration on the radio frequency front end to generate interference signals;
the remote comprehensive management and control platform deploys communication scenes to be tested and the number of jammers according to user requirements and generates configuration files; secondly, reading a configuration file transmitted by the remote control platform by the software radio platform interference machine, configuring an interference mode according to parameters in the configuration file and generating an interference signal; then, processing the digital signal according to a preset modulation mode, setting parameters of the radio frequency front end, and transmitting the generated interference signal to the radio frequency front end; finally, the radio frequency front end receives and transmits the interfering signal at the specified gain, frequency, and bandwidth.
2. The virtual-real cooperation-based interference simulation platform according to claim 1, wherein in an adaptive interference mode, a receiving antenna at the radio frequency front end intercepts a signal to be interfered in a frequency sweeping manner and transmits data to the digital signal processing part, and the digital signal processing part adaptively performs parameter configuration according to the signal to be interfered to generate and transmit a corresponding interference signal to realize tracking interference.
3. The virtual-real cooperation-based interference simulation platform according to claim 1, wherein when the remote integrated management and control platform performs data transmission with the software defined radio platform jammer, the platform further comprises: starting test, parameter transmission, parameter updating, state acquisition, suspending test and stopping test;
when the remote comprehensive control platform and the software radio platform interference machine carry out data transmission, the remote comprehensive control platform and the software radio platform interference machine are controlled through a shell script; the parameters involved in the parameter transmission and parameter update are transmitted through files, and further, the parameters set by a user are stored in a configuration file and transmitted to the software radio platform interference machine.
4. The virtual-real cooperation-based interference simulation platform of claim 1, wherein when the radio frequency front end performs data transmission with the software radio platform jammer, the radio frequency front end further comprises: creating equipment, transmitting received signal and transmitted signal data, setting radio frequency front end parameters, receiving and transmitting signals, and stopping transmitting five data interaction processing flows;
and when the radio frequency front end and the software radio platform jammer transmit data, the function in the radio frequency front end equipment is called to realize the data transmission.
5. The virtual-real cooperation based interference simulation platform according to claim 1, wherein when the software radio platform jammer performs data interaction with the remote integrated management and control platform and the radio frequency front end, the specific steps are as follows:
step 1, reading parameters according to a parameter configuration file transmitted by the remote comprehensive management and control platform;
step 2, judging whether the read parameters are manual interference or not; when the judgment result is manual interference, reading parameters required by the manual interference; when the judgment result is automatic interference, basic parameter setting is carried out on the radio frequency front end of the receiver, the receiver intercepts a signal to be interfered, the signal is processed, and self-adaptive parameter generation is carried out according to the characteristics of the signal;
step 3, acquiring corresponding configuration parameters according to the judgment result;
step 4, setting a corresponding interference generation mode according to the read configuration parameters;
step 5, generating interference data according to an interference generation mode;
step 6, modulating according to a preset modulation mode to obtain coordinates of constellation points corresponding to each interference data;
step 7, transmitting the constellation point coordinates of the interference data to a transmitter radio frequency front end for setting the transmitter radio frequency front end;
and 8, the radio frequency front end transmits an interference signal with specified gain, frequency and bandwidth.
6. The virtual-real cooperation-based interference simulation platform according to claim 1, wherein the software radio platform jammer internal radio implementation method specifically includes: the system comprises a parameter configuration file reading module, a random information source generating module, a signal modulating module, a radio frequency configuration module, a process control module and a signal transmitting module;
further, the parameter configuration file module is configured to read parameter information from a parameter configuration file transmitted by the remote integrated control platform; the parameter information includes: configuring each parameter, a modulation mode adopted and a mode for generating interference data;
the random information source generating module is used for generating random interference data;
the signal modulation module is used for mapping the interference data generated by the random information source generation module to corresponding constellation points according to the selected modulation mode and returning to complex coordinate values corresponding to the constellation points;
the radio frequency configuration module is used for configuring the radio frequency front end according to the acquired parameters;
the process control module is used for controlling the operation process and updating the configuration parameters;
the signal transmitting module is used for transmitting the signal generated by the signal modulating module and is responsible for setting the transmitting time of the signal and the data quantity contained in each packet.
7. The virtual-real cooperation-based interference simulation platform according to claim 6, wherein the random source generation module includes two ways of generating interference data;
further, the first way of generating the interference data is: reading the form of the configuration file, and reading interference data according to the configuration file provided by a user;
a second way to generate interference data is: and randomly generating interference data which obey a Gaussian distribution and uniform distribution model according to preset random seeds.
8. The interference simulation platform based on virtual-real coordination according to claim 6,
the modulation mode selected by the signal modulation module comprises: BPSK, QPSK, 8PSK, and 16 QAM;
when the radio frequency configuration module configures the radio frequency front end, the method further includes: setting clock frequency, transmitting frequency, bandwidth and gain of a radio frequency front end;
the operation flow controlled by the flow control module further comprises: pause of the program, end of the program, and loop of the program;
when the process control module updates the configuration parameters, the process control module further comprises: manually updating the parameter configuration in a manual interference mode; and under the self-adaptive interference mode, when the triggering condition is met, the configuration parameters are updated in a self-adaptive dynamic mode according to the threshold value of the preset parameters.
9. The virtual-real cooperation-based interference simulation platform according to claim 1, further comprising a virtual-real mapping platform interface, wherein the virtual-real mapping platform interface is embedded in any one of the simulation platforms to enable simultaneous test development with other communication devices.
10. The method for simulating the interference simulation platform according to claim 1, comprising the following steps:
the method comprises the steps that firstly, a remote comprehensive control platform transmits a parameter configuration file to a software radio platform interference machine;
reading parameters and judging interference by the software radio platform interference machine according to the received configuration parameter file, and acquiring the parameters according to the judgment result;
setting a corresponding interference generation mode according to the acquired configuration parameters;
generating interference data according to an interference generation mode;
modulating according to a preset modulation mode to obtain coordinates of constellation points corresponding to each interference data, and transmitting the coordinates to a radio frequency front end of a transmitter for setting the radio frequency front end of the transmitter;
and step six, the radio frequency front end transmits an interference signal with specified gain, frequency and bandwidth.
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