CN116886218A - 5G communication signal tester and testing method thereof - Google Patents
5G communication signal tester and testing method thereof Download PDFInfo
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Abstract
The invention belongs to the technical field of 5G communication, and discloses a 5G communication signal tester and a testing method thereof, wherein the 5G communication signal tester comprises: the device comprises a signal transmitting module, a signal receiving module, a main control module, a signal intensity detecting module, a signal enhancing module, a signal quality measuring module, an anti-interference testing module and a display module. The invention ensures the transmission efficiency of the 5G service through the signal quality measuring module and simultaneously measures the quality of the 5G communication signal; meanwhile, according to the read clutter signals after frequency conversion, after the communication of the 5G communication signals is normal, the communication signals are gradually increased by a preset step value through the anti-interference test module until the 5G communication signals stop communicating, the signal intensity of the interference signals when the 5G communication signals stop communicating, namely the final sensitivity, is recorded, and the final sensitivity of the 5G communication signals can be accurately tested.
Description
Technical Field
The invention belongs to the technical field of 5G communication, and particularly relates to a 5G communication signal tester and a testing method thereof.
Background
The fifth generation mobile communication technology (5G for short) is a new generation broadband mobile communication technology with high speed, low latency and large connection characteristics, and the 5G communication facility is a network infrastructure for realizing man-machine object interconnection. The International Telecommunications Union (ITU) defines three general classes of application scenarios for 5G, namely enhanced mobile broadband (eMBB), ultra-high reliability low latency communications (ullc), and mass machine type communications (mctc). The enhanced mobile broadband (eMBB) is mainly oriented to the explosive growth of mobile internet traffic, and provides more extreme application experience for mobile internet users; the ultra-high reliability low-delay communication (uRLLC) is mainly oriented to the application demands of industry control, telemedicine, automatic driving and other vertical industries with extremely high requirements on delay and reliability; massive machine type communication (mMTC) is mainly oriented to application requirements of smart cities, smart home, environment monitoring and the like aiming at sensing and data acquisition; however, the existing 5G communication signal tester and the testing method thereof cannot simultaneously carry 5G service transmission when measuring the quality of the 5G communication signal, or cannot simultaneously measure the quality of the 5G communication signal when carrying 5G service transmission; meanwhile, the anti-interference of the 5G communication signal cannot be accurately tested.
Through the above analysis, the problems and defects existing in the prior art are as follows:
(1) The existing 5G communication signal tester and the testing method thereof cannot simultaneously bear 5G service transmission when measuring the quality of 5G communication signals or cannot simultaneously measure the quality of 5G communication signals when bearing 5G service transmission.
(2) The anti-interference of the 5G communication signal cannot be accurately tested.
(3) And the detection of the strength of the 5G communication signal is inaccurate.
Disclosure of Invention
Aiming at the problems existing in the prior art, the invention provides a 5G communication signal tester and a testing method thereof.
The invention is realized in that a 5G communication signal tester comprises:
the device comprises a signal transmitting module, a signal receiving module, a main control module, a signal intensity detecting module, a signal enhancing module, a signal quality measuring module, an anti-interference testing module and a display module;
the signal transmitting module is connected with the main control module and used for transmitting 5G communication signals;
the signal receiving module is connected with the main control module and is used for receiving the 5G communication signal;
the main control module is connected with the signal transmitting module, the signal receiving module, the signal strength detecting module, the signal enhancing module, the signal quality measuring module, the anti-interference testing module and the display module and used for controlling the normal work of each module;
the signal strength detection module is connected with the main control module and used for detecting the strength of the 5G communication signal;
the signal strength detection module detection method comprises the following steps:
acquiring a frequency spectrum of a 5G communication signal at a current position through a signal detection program, and determining a frequency band of the 5G communication signal based on the frequency spectrum of the 5G communication signal; configuring a corresponding detection system for the frequency band of the 5G communication signal, wherein the detection system is used for removing other interference signals except the 5G communication signal, and performing gain and/or compensation on the 5G communication signal so as to test the gain and/or compensated 5G communication signal; determining the strength of the 5G communication signal;
the testing of the gain and/or compensated 5G communication signal comprises: performing intensity test on the gain and/or compensated 5G communication signals, and/or analyzing the frequency spectrum of the gain and/or compensated 5G communication signals;
an FDD module is implanted in the detection system and used for separating the 5G communication signals to form an uplink channel of the 5G communication signals and a downlink channel of the 5G communication signals, so that the detection system can test the uplink channel and the downlink channel respectively;
the signal enhancement module is connected with the main control module and is used for enhancing the 5G communication signal;
the signal quality measuring module is connected with the main control module and is used for measuring the quality of the 5G communication signal;
the anti-interference testing module is connected with the main control module and used for testing the anti-interference performance of the 5G communication signals;
the display module is connected with the main control module and used for displaying the strength of the 5G communication signal, the quality measurement result and the anti-interference test result.
The testing method of the 5G communication signal tester comprises the following steps:
step one, transmitting 5G communication signals through a signal transmitting module; receiving a 5G communication signal through a signal receiving module;
step two, the main control module detects the 5G communication signal strength through the signal strength detection module; the 5G communication signal is enhanced by a signal enhancement module;
measuring the quality of the 5G communication signal through a signal quality measuring module; testing the anti-interference performance of the 5G communication signal through an anti-interference testing module;
and step four, displaying the 5G communication signal strength, the quality measurement result and the anti-interference test result through a display module.
Further, the signal quality measuring module measures the following:
1) Performing correction processing on the 5G communication signal; the quality index data of the 5G communication signals are obtained in real time through interaction between the 5G module and the air interface, the 5G module bears the 5G uplink and downlink service data, communication connection between the 5G terminal and a remote 5G service system is established, and service data transmission is carried out;
2) For the quality index data of each 5G communication signal, acquiring time data and position data at the same time as the quality index data of the 5G communication signal; generating measurement analysis data according to the message sequence number, the time data, the position data and the quality index data of the 5G communication signals; the measurement analysis data provides data input for analysis of a local drive test system and remote detailed backtracking analysis;
3) The measurement analysis data is transmitted to a local drive test system in real time in a wireless mode; the drive test system is used for carrying out instant analysis and display on the measurement analysis data.
Further, after the measurement analysis data is generated according to the message sequence number, the time data, the position data and the quality index data of the 5G communication signal, the method further includes:
and storing the measurement analysis data and the quality index data of all the 5G communication signals acquired in the process into a storage unit according to time sequence, and providing input for detailed retrospective analysis in different places.
Further, the measurement method further includes:
according to a preset period, acquiring quality index data of a 5G communication signal from an air interface through a 5G module, and acquiring time data and position data through a position module;
and reducing the time difference of the quality index data of the 5G communication signal obtained from the air interface through the 5G module and the current time and the current position data obtained by the position module by adopting a preset algorithm.
Further, the measurement method further includes:
generating measurement analysis data according to the message sequence number, the time data, the position data and the quality index data of the 5G communication signals;
and sending the measurement analysis data to a drive test system in real time according to the sequence of the measurement analysis data.
Further, the anti-interference test module test method comprises the following steps:
(1) Building a 5G communication signal simulation test environment; in the constructed 5G communication signal simulation test environment, generating a continuous wave interference signal and a Gaussian white noise interference signal; modulating the generated continuous wave interference signal and Gaussian white noise interference signal to a required frequency and power state;
(2) According to the modulated required frequency and power state, locking a continuous wave interference signal, a Gaussian white noise interference signal and a frequency range to be detected required by a 5G communication signal; conducting a 5G communication signal in a frequency range of 450MHz-6000MHz according to a continuous wave interference signal, a Gaussian white noise interference signal and a frequency range to be tested which are required by the locked 5G communication signal;
(3) Establishing communication connection between the 5G communication signal and the constructed 5G communication signal simulation test environment; reading signal information of the working frequency of the 5G communication signal according to the communication connection between the established 5G communication signal and the constructed 5G communication signal simulation test environment; detecting the read 5G communication signal according to the signal information of the working frequency of the read 5G communication signal; the magnitude of the spurious signal in the signal information of the operating frequency;
(4) Reading the error rate of the 5G communication signal of the size of the clutter detected signal, and judging the lost data packet data of the 5G communication signal in the signal demodulation process according to the read error rate; continuously increasing the intensities of the continuous wave interference signals and the Gaussian white noise interference signals according to preset values according to the determined data packet data lost by the 5G communication signals in the signal demodulation process, and reading the signal intensities of communication interruption corresponding to the continuous wave interference signals and the Gaussian white noise interference signals;
(5) According to the signal intensity of the read communication interruption, radiating a 5G communication signal in the frequency range of 24250MHz-52600 MHz; checking whether the frequencies and the signal strengths of the continuous wave interference signals, the Gaussian white noise interference signals corresponding to the 5G frequency subjected to the sensing test are accurate or not according to the 5G communication signals in the frequency range of 24250MHz-52600MHz subjected to the radiation test; when the frequencies and the signal strengths of the continuous wave interference signals and the Gaussian white noise interference signals corresponding to the 5G frequencies subjected to the sensing test are detected to be accurate, different angles are separated to inquire the worst signal states of the continuous wave interference signals and the Gaussian white noise interference signals corresponding to the 5G frequencies subjected to the sensing test; and simulating the fading states of various real signals corresponding to the queried worst signal states according to the queried worst signal states.
Further, the setting up of a 5G communication signal simulation test environment includes:
and setting up a 5G communication signal simulation test environment in the shielding room.
Further, the detecting the size of the clutter in the signal information of the operating frequency of the read 5G communication signal according to the signal information of the operating frequency of the read 5G communication signal includes:
and detecting the size of clutter in the signal information of the working frequency of the read 5G communication signal when the 5G communication signal is detected to be in the maximum transmission state according to the signal information of the working frequency of the read 5G communication signal.
Further, after simulating the fading states of the various real signals corresponding to the queried worst signal states according to the queried worst signal states, the method further comprises:
according to the simulated fading states of the various actual signals corresponding to the queried worst signal states, carrying out frequency conversion on signals corresponding to the fading states of the various actual signals, reading the clutter signals after frequency conversion, gradually increasing the communication signals with a preset step value after the communication of the 5G communication signals is normal according to the clutter signals after frequency conversion, until the 5G communication signals stop communicating, and recording the signal intensity, namely the final sensitivity, of the interference signals when the 5G communication signals stop communicating.
In combination with the above technical solution and the technical problems to be solved, please analyze the following aspects to provide the following advantages and positive effects:
first, aiming at the technical problems in the prior art and the difficulty in solving the problems, the technical problems solved by the technical proposal of the invention are analyzed in detail and deeply by tightly combining the technical proposal to be protected, the results and data in the research and development process, and the like, and some technical effects brought after the problems are solved have creative technical effects. The specific description is as follows:
the invention ensures the transmission efficiency of the 5G service through the signal quality measuring module and simultaneously measures the quality of the 5G communication signal; meanwhile, through the anti-interference test module, signals corresponding to the fading states of various actual signals can be converted according to the simulated fading states of various actual signals corresponding to the queried worst signal states, the converted clutter signals are read, after the communication of the 5G communication signals is normal according to the read clutter signals after conversion, the communication signals are gradually increased by a preset step value until the 5G communication signals stop communicating, the signal intensity of the interference signals, namely the final sensitivity, when the 5G communication signals stop communicating is recorded, and the final sensitivity of the 5G communication signals can be accurately tested.
The invention can obtain the intensity of the communication signal at the current position in advance through the signal intensity detection module, and then the intensity detector with corresponding sensitivity is selected based on intensity self-adaption to detect the intensity of the signal at the current position.
Secondly, the technical scheme is regarded as a whole or from the perspective of products, and the technical scheme to be protected has the following technical effects and advantages:
the invention ensures the transmission efficiency of the 5G service through the signal quality measuring module and simultaneously measures the quality of the 5G communication signal; meanwhile, through the anti-interference test module, signals corresponding to the fading states of various actual signals can be converted according to the simulated fading states of various actual signals corresponding to the queried worst signal states, the converted clutter signals are read, after the communication of the 5G communication signals is normal according to the read clutter signals after conversion, the communication signals are gradually increased by a preset step value until the 5G communication signals stop communicating, the signal intensity of the interference signals, namely the final sensitivity, when the 5G communication signals stop communicating is recorded, and the final sensitivity of the 5G communication signals can be accurately tested.
Drawings
Fig. 1 is a flowchart of a testing method of a 5G communication signal tester according to an embodiment of the present invention.
Fig. 2 is a block diagram of a 5G communication signal tester according to an embodiment of the present invention.
Fig. 3 is a flowchart of a measurement method of a signal quality measurement module according to an embodiment of the present invention.
Fig. 4 is a flowchart of a testing method of an anti-interference testing module according to an embodiment of the present invention.
In fig. 2: 1. a signal transmitting module; 2. a signal receiving module; 3. a main control module; 4. a signal strength detection module; 5. a signal enhancement module; 6. a signal quality measurement module; 7. an anti-interference test module; 8. and a display module.
Detailed Description
The present invention will be described in further detail with reference to the following examples in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
1. The embodiments are explained. In order to fully understand how the invention may be embodied by those skilled in the art, this section is an illustrative embodiment in which the claims are presented for purposes of illustration.
As shown in fig. 1, the testing method of the 5G communication signal tester provided by the invention comprises the following steps:
s101, transmitting a 5G communication signal through a signal transmitting module; receiving a 5G communication signal through a signal receiving module;
s102, a main control module detects the strength of a 5G communication signal through a signal strength detection module; the 5G communication signal is enhanced by a signal enhancement module;
s103, measuring the quality of the 5G communication signal through a signal quality measuring module; testing the anti-interference performance of the 5G communication signal through an anti-interference testing module;
s104, displaying the 5G communication signal strength, the quality measurement result and the anti-interference test result through a display module.
The invention ensures the transmission efficiency of the 5G service through the signal quality measuring module and simultaneously measures the quality of the 5G communication signal; meanwhile, through the anti-interference test module, signals corresponding to the fading states of various actual signals can be converted according to the simulated fading states of various actual signals corresponding to the queried worst signal states, the converted clutter signals are read, after the communication of the 5G communication signals is normal according to the read clutter signals after conversion, the communication signals are gradually increased by a preset step value until the 5G communication signals stop communicating, the signal intensity of the interference signals, namely the final sensitivity, when the 5G communication signals stop communicating is recorded, and the final sensitivity of the 5G communication signals can be accurately tested.
As shown in fig. 2, the 5G communication signal tester provided by the embodiment of the present invention includes: the device comprises a signal transmitting module 1, a signal receiving module 2, a main control module 3, a signal strength detecting module 4, a signal enhancing module 5, a signal quality measuring module 6, an anti-interference testing module 7 and a display module 8.
The signal transmitting module 1 is connected with the main control module 3 and is used for transmitting 5G communication signals;
the signal receiving module 2 is connected with the main control module 3 and is used for receiving the 5G communication signal;
the main control module 3 is connected with the signal transmitting module 1, the signal receiving module 2, the signal strength detecting module 4, the signal enhancing module 5, the signal quality measuring module 6, the anti-interference testing module 7 and the display module 8 and is used for controlling the normal work of each module;
the signal strength detection module 4 is connected with the main control module 3 and is used for detecting the strength of the 5G communication signal;
the signal strength detection module detection method comprises the following steps:
acquiring a frequency spectrum of a 5G communication signal at a current position through a signal detection program, and determining a frequency band of the 5G communication signal based on the frequency spectrum of the 5G communication signal; configuring a corresponding detection system for the frequency band of the 5G communication signal, wherein the detection system is used for removing other interference signals except the 5G communication signal, and performing gain and/or compensation on the 5G communication signal so as to test the gain and/or compensated 5G communication signal; determining the strength of the 5G communication signal;
the testing of the gain and/or compensated 5G communication signal comprises: performing intensity test on the gain and/or compensated 5G communication signals, and/or analyzing the frequency spectrum of the gain and/or compensated 5G communication signals;
an FDD module is implanted in the detection system and used for separating the 5G communication signals to form an uplink channel of the 5G communication signals and a downlink channel of the 5G communication signals, so that the detection system can test the uplink channel and the downlink channel respectively;
the signal enhancement module 5 is connected with the main control module 3 and is used for enhancing the 5G communication signal;
the signal quality measuring module 6 is connected with the main control module 3 and is used for measuring the quality of the 5G communication signal;
the anti-interference test module 7 is connected with the main control module 3 and is used for testing the anti-interference performance of the 5G communication signals;
and the display module 8 is connected with the main control module 3 and used for displaying the strength of the 5G communication signal, the quality measurement result and the anti-interference test result.
The invention ensures the transmission efficiency of the 5G service through the signal quality measuring module and simultaneously measures the quality of the 5G communication signal; meanwhile, through the anti-interference test module, signals corresponding to the fading states of various actual signals can be converted according to the simulated fading states of various actual signals corresponding to the queried worst signal states, the converted clutter signals are read, after the communication of the 5G communication signals is normal according to the read clutter signals after conversion, the communication signals are gradually increased by a preset step value until the 5G communication signals stop communicating, the signal intensity of the interference signals, namely the final sensitivity, when the 5G communication signals stop communicating is recorded, and the final sensitivity of the 5G communication signals can be accurately tested.
As shown in fig. 3, the signal quality measuring module 6 provided by the present invention measures as follows:
s201, correcting the 5G communication signal; the quality index data of the 5G communication signals are obtained in real time through interaction between the 5G module and the air interface, the 5G module bears the 5G uplink and downlink service data, communication connection between the 5G terminal and a remote 5G service system is established, and service data transmission is carried out;
s202, acquiring time data and position data which are the same with the quality index data of the 5G communication signals according to the quality index data of each 5G communication signal; generating measurement analysis data according to the message sequence number, the time data, the position data and the quality index data of the 5G communication signals; the measurement analysis data provides data input for analysis of a local drive test system and remote detailed backtracking analysis;
s203, the measurement analysis data is transmitted to a local drive test system in real time in a wireless mode; the drive test system is used for carrying out instant analysis and display on the measurement analysis data.
The invention ensures the transmission efficiency of the 5G service through the signal quality measuring module and simultaneously measures the quality of the 5G communication signal.
After the measurement analysis data is generated according to the message sequence number, the time data, the position data and the quality index data of the 5G communication signal, the method further comprises the following steps:
and storing the measurement analysis data and the quality index data of all the 5G communication signals acquired in the process into a storage unit according to time sequence, and providing input for detailed retrospective analysis in different places.
The measuring method provided by the invention further comprises the following steps:
according to a preset period, acquiring quality index data of a 5G communication signal from an air interface through a 5G module, and acquiring time data and position data through a position module;
and reducing the time difference of the quality index data of the 5G communication signal obtained from the air interface through the 5G module and the current time and the current position data obtained by the position module by adopting a preset algorithm.
The measuring method provided by the invention further comprises the following steps:
generating measurement analysis data according to the message sequence number, the time data, the position data and the quality index data of the 5G communication signals;
and sending the measurement analysis data to a drive test system in real time according to the sequence of the measurement analysis data.
As shown in fig. 4, the test method of the anti-interference test module 7 provided by the invention is as follows:
s301, setting up a 5G communication signal simulation test environment; in the constructed 5G communication signal simulation test environment, generating a continuous wave interference signal and a Gaussian white noise interference signal; modulating the generated continuous wave interference signal and Gaussian white noise interference signal to a required frequency and power state;
s302, locking a continuous wave interference signal, a Gaussian white noise interference signal and a frequency range to be detected which are required by a 5G communication signal according to the modulated required frequency and the power state; conducting a 5G communication signal in a frequency range of 450MHz-6000MHz according to a continuous wave interference signal, a Gaussian white noise interference signal and a frequency range to be tested which are required by the locked 5G communication signal;
s303, establishing communication connection between the 5G communication signal and the constructed 5G communication signal simulation test environment; reading signal information of the working frequency of the 5G communication signal according to the communication connection between the established 5G communication signal and the constructed 5G communication signal simulation test environment; detecting the magnitude of clutter in the signal information of the working frequency of the read 5G communication signal according to the signal information of the working frequency of the read 5G communication signal;
s304, reading the error rate of the 5G communication signal with the size of the signal with the clutter detected, and judging the lost data packet data of the 5G communication signal in the signal demodulation process according to the read error rate; continuously increasing the intensities of the continuous wave interference signals and the Gaussian white noise interference signals according to preset values according to the determined data packet data lost by the 5G communication signals in the signal demodulation process, and reading the signal intensities of communication interruption corresponding to the continuous wave interference signals and the Gaussian white noise interference signals;
s305, according to the signal intensity of the read communication interruption, radiating a 5G communication signal in the frequency range of 24250MHz-52600 MHz; checking whether the frequencies and the signal strengths of the continuous wave interference signals, the Gaussian white noise interference signals corresponding to the 5G frequency subjected to the sensing test are accurate or not according to the 5G communication signals in the frequency range of 24250MHz-52600MHz subjected to the radiation test; when the frequencies and the signal strengths of the continuous wave interference signals and the Gaussian white noise interference signals corresponding to the 5G frequencies subjected to the sensing test are detected to be accurate, different angles are separated to inquire the worst signal states of the continuous wave interference signals and the Gaussian white noise interference signals corresponding to the 5G frequencies subjected to the sensing test; and simulating the fading states of various real signals corresponding to the queried worst signal states according to the queried worst signal states.
According to the invention, through the anti-interference test module, signals corresponding to the fading states of various actual signals can be converted according to the simulated fading states of various actual signals corresponding to the queried worst signal states, the converted clutter signals are read, after the communication of the 5G communication signals is normal according to the read clutter signals after conversion, the communication signals are gradually increased by a preset step value until the 5G communication signals stop communicating, the signal intensity of the interference signals, namely the final sensitivity, when the 5G communication signals stop communicating is recorded, and the final sensitivity of the 5G communication signals can be accurately tested.
The invention provides a 5G communication signal simulation test environment, which comprises the following steps:
and setting up a 5G communication signal simulation test environment in the shielding room.
The invention provides a method for detecting the signal size of clutter in the signal information of the working frequency of the read 5G communication signal according to the signal information of the working frequency of the read 5G communication signal, which comprises the following steps:
and detecting the size of clutter in the signal information of the working frequency of the read 5G communication signal when the 5G communication signal is detected to be in the maximum transmission state according to the signal information of the working frequency of the read 5G communication signal.
The method provided by the invention further comprises the following steps after simulating the fading states of various real signals corresponding to the queried worst signal states according to the queried worst signal states:
according to the simulated fading states of the various actual signals corresponding to the queried worst signal states, carrying out frequency conversion on signals corresponding to the fading states of the various actual signals, reading the clutter signals after frequency conversion, gradually increasing the communication signals with a preset step value after the communication of the 5G communication signals is normal according to the clutter signals after frequency conversion, until the 5G communication signals stop communicating, and recording the signal intensity, namely the final sensitivity, of the interference signals when the 5G communication signals stop communicating.
2. Application example. In order to prove the inventive and technical value of the technical solution of the present invention, this section is an application example on specific products or related technologies of the claim technical solution.
The invention ensures the transmission efficiency of the 5G service through the signal quality measuring module and simultaneously measures the quality of the 5G communication signal; meanwhile, through the anti-interference test module, signals corresponding to the fading states of various actual signals can be converted according to the simulated fading states of various actual signals corresponding to the queried worst signal states, the converted clutter signals are read, after the communication of the 5G communication signals is normal according to the read clutter signals after conversion, the communication signals are gradually increased by a preset step value until the 5G communication signals stop communicating, the signal intensity of the interference signals, namely the final sensitivity, when the 5G communication signals stop communicating is recorded, and the final sensitivity of the 5G communication signals can be accurately tested.
It should be noted that the embodiments of the present invention can be realized in hardware, software, or a combination of software and hardware. The hardware portion may be implemented using dedicated logic; the software portions may be stored in a memory and executed by a suitable instruction execution system, such as a microprocessor or special purpose design hardware. Those of ordinary skill in the art will appreciate that the apparatus and methods described above may be implemented using computer executable instructions and/or embodied in processor control code, such as provided on a carrier medium such as a magnetic disk, CD or DVD-ROM, a programmable memory such as read only memory (firmware), or a data carrier such as an optical or electronic signal carrier. The device of the present invention and its modules may be implemented by hardware circuitry, such as very large scale integrated circuits or gate arrays, semiconductors such as logic chips, transistors, etc., or programmable hardware devices such as field programmable gate arrays, programmable logic devices, etc., as well as software executed by various types of processors, or by a combination of the above hardware circuitry and software, such as firmware.
3. Evidence of the effect of the examples. The embodiment of the invention has a great advantage in the research and development or use process, and has the following description in combination with data, charts and the like of the test process.
The invention ensures the transmission efficiency of the 5G service through the signal quality measuring module and simultaneously measures the quality of the 5G communication signal; meanwhile, through the anti-interference test module, signals corresponding to the fading states of various actual signals can be converted according to the simulated fading states of various actual signals corresponding to the queried worst signal states, the converted clutter signals are read, after the communication of the 5G communication signals is normal according to the read clutter signals after conversion, the communication signals are gradually increased by a preset step value until the 5G communication signals stop communicating, the signal intensity of the interference signals, namely the final sensitivity, when the 5G communication signals stop communicating is recorded, and the final sensitivity of the 5G communication signals can be accurately tested.
The foregoing is merely illustrative of specific embodiments of the present invention, and the scope of the invention is not limited thereto, but any modifications, equivalents, improvements and alternatives falling within the spirit and principles of the present invention will be apparent to those skilled in the art within the scope of the present invention.
Claims (10)
1. A 5G communication signal tester, the 5G communication signal tester comprising:
the device comprises a signal transmitting module, a signal receiving module, a main control module, a signal intensity detecting module, a signal enhancing module, a signal quality measuring module, an anti-interference testing module and a display module;
the signal transmitting module is connected with the main control module and used for transmitting 5G communication signals;
the signal receiving module is connected with the main control module and is used for receiving the 5G communication signal;
the main control module is connected with the signal transmitting module, the signal receiving module, the signal strength detecting module, the signal enhancing module, the signal quality measuring module, the anti-interference testing module and the display module and used for controlling the normal work of each module;
the signal strength detection module is connected with the main control module and used for detecting the strength of the 5G communication signal;
the signal strength detection module detection method comprises the following steps:
acquiring a frequency spectrum of a 5G communication signal at a current position through a signal detection program, and determining a frequency band of the 5G communication signal based on the frequency spectrum of the 5G communication signal; configuring a corresponding detection system for the frequency band of the 5G communication signal, wherein the detection system is used for removing other interference signals except the 5G communication signal, and performing gain and/or compensation on the 5G communication signal so as to test the gain and/or compensated 5G communication signal; determining the strength of the 5G communication signal;
the testing of the gain and/or compensated 5G communication signal comprises: performing intensity test on the gain and/or compensated 5G communication signals, and/or analyzing the frequency spectrum of the gain and/or compensated 5G communication signals;
an FDD module is implanted in the detection system and used for separating the 5G communication signals to form an uplink channel of the 5G communication signals and a downlink channel of the 5G communication signals, so that the detection system can test the uplink channel and the downlink channel respectively;
the signal enhancement module is connected with the main control module and is used for enhancing the 5G communication signal;
the signal quality measuring module is connected with the main control module and is used for measuring the quality of the 5G communication signal;
the anti-interference testing module is connected with the main control module and used for testing the anti-interference performance of the 5G communication signals;
the display module is connected with the main control module and used for displaying the strength of the 5G communication signal, the quality measurement result and the anti-interference test result.
2. The 5G communication signal tester testing method according to claim 1, wherein the 5G communication signal tester testing method comprises the steps of:
step one, transmitting 5G communication signals through a signal transmitting module; receiving a 5G communication signal through a signal receiving module;
step two, the main control module detects the 5G communication signal strength through the signal strength detection module; the 5G communication signal is enhanced by a signal enhancement module;
measuring the quality of the 5G communication signal through a signal quality measuring module; testing the anti-interference performance of the 5G communication signal through an anti-interference testing module;
and step four, displaying the 5G communication signal strength, the quality measurement result and the anti-interference test result through a display module.
3. The 5G communication signal tester of claim 1, wherein the signal quality measurement module measures the following:
1) Performing correction processing on the 5G communication signal; the quality index data of the 5G communication signals are obtained in real time through interaction between the 5G module and the air interface, the 5G module bears the 5G uplink and downlink service data, communication connection between the 5G terminal and a remote 5G service system is established, and service data transmission is carried out;
2) For the quality index data of each 5G communication signal, acquiring time data and position data at the same time as the quality index data of the 5G communication signal; generating measurement analysis data according to the message sequence number, the time data, the position data and the quality index data of the 5G communication signals; the measurement analysis data provides data input for analysis of a local drive test system and remote detailed backtracking analysis;
3) The measurement analysis data is transmitted to a local drive test system in real time in a wireless mode; the drive test system is used for carrying out instant analysis and display on the measurement analysis data.
4. The 5G communication signal tester of claim 3, wherein after generating measurement analysis data from the message sequence number, the time data, the location data, and the quality indicator data of the 5G communication signal, further comprising:
and storing the measurement analysis data and the quality index data of all the 5G communication signals acquired in the process into a storage unit according to time sequence, and providing input for detailed retrospective analysis in different places.
5. The 5G communication signal tester of claim 3, wherein the measurement method further comprises:
according to a preset period, acquiring quality index data of a 5G communication signal from an air interface through a 5G module, and acquiring time data and position data through a position module;
and reducing the time difference of the quality index data of the 5G communication signal obtained from the air interface through the 5G module and the current time and the current position data obtained by the position module by adopting a preset algorithm.
6. The 5G communication signal tester of claim 3, wherein the measurement method further comprises:
generating measurement analysis data according to the message sequence number, the time data, the position data and the quality index data of the 5G communication signals;
and sending the measurement analysis data to a drive test system in real time according to the sequence of the measurement analysis data.
7. The 5G communication signal tester of claim 1, wherein the anti-tamper test module test method is as follows:
(1) Building a 5G communication signal simulation test environment; in the constructed 5G communication signal simulation test environment, generating a continuous wave interference signal and a Gaussian white noise interference signal; modulating the generated continuous wave interference signal and Gaussian white noise interference signal to a required frequency and power state;
(2) According to the modulated required frequency and power state, locking a continuous wave interference signal, a Gaussian white noise interference signal and a frequency range to be detected required by a 5G communication signal; conducting a 5G communication signal in a frequency range of 450MHz-6000MHz according to a continuous wave interference signal, a Gaussian white noise interference signal and a frequency range to be tested which are required by the locked 5G communication signal;
(3) Establishing communication connection between the 5G communication signal and the constructed 5G communication signal simulation test environment; reading signal information of the working frequency of the 5G communication signal according to the communication connection between the established 5G communication signal and the constructed 5G communication signal simulation test environment; detecting the magnitude of clutter in the signal information of the working frequency of the read 5G communication signal according to the signal information of the working frequency of the read 5G communication signal;
(4) Reading the error rate of the 5G communication signal of the size of the clutter detected signal, and judging the lost data packet data of the 5G communication signal in the signal demodulation process according to the read error rate; continuously increasing the intensities of the continuous wave interference signals and the Gaussian white noise interference signals according to preset values according to the determined data packet data lost by the 5G communication signals in the signal demodulation process, and reading the signal intensities of communication interruption corresponding to the continuous wave interference signals and the Gaussian white noise interference signals;
(5) According to the signal intensity of the read communication interruption, radiating a 5G communication signal in the frequency range of 24250MHz-52600 MHz; checking whether the frequencies and the signal strengths of the continuous wave interference signals, the Gaussian white noise interference signals corresponding to the 5G frequency subjected to the sensing test are accurate or not according to the 5G communication signals in the frequency range of 24250MHz-52600MHz subjected to the radiation test; when the frequencies and the signal strengths of the continuous wave interference signals and the Gaussian white noise interference signals corresponding to the 5G frequencies subjected to the sensing test are detected to be accurate, different angles are separated to inquire the worst signal states of the continuous wave interference signals and the Gaussian white noise interference signals corresponding to the 5G frequencies subjected to the sensing test; and simulating the fading states of various real signals corresponding to the queried worst signal states according to the queried worst signal states.
8. The 5G communication signal tester of claim 7, wherein the building a 5G communication signal simulation test environment comprises:
and setting up a 5G communication signal simulation test environment in the shielding room.
9. The 5G communication signal tester of claim 7, wherein detecting the magnitude of the spurious signal in the signal information of the operating frequency of the read 5G communication signal from the signal information of the operating frequency of the read 5G communication signal comprises:
and detecting the size of clutter in the signal information of the working frequency of the read 5G communication signal when the 5G communication signal is detected to be in the maximum transmission state according to the signal information of the working frequency of the read 5G communication signal.
10. The 5G communication signal tester of claim 7, wherein said simulating the fading state of the various real signals corresponding to said queried worst signal state after said simulating the fading state of the various real signals corresponding to said queried worst signal state further comprises:
according to the simulated fading states of the various actual signals corresponding to the queried worst signal states, carrying out frequency conversion on signals corresponding to the fading states of the various actual signals, reading the clutter signals after frequency conversion, gradually increasing the communication signals with a preset step value after the communication of the 5G communication signals is normal according to the clutter signals after frequency conversion, until the 5G communication signals stop communicating, and recording the signal intensity, namely the final sensitivity, of the interference signals when the 5G communication signals stop communicating.
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