CN112688745A - 5G base station detection method and system for interference satellite earth station - Google Patents
5G base station detection method and system for interference satellite earth station Download PDFInfo
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Abstract
The application discloses a 5G base station detection method and a system for an interference satellite earth station, wherein the method comprises the following steps: receiving communication signals in real time, wherein the communication signals comprise satellite signals and/or 5G signals transmitted by 5G base stations in a preset coverage range; analyzing and processing the communication signal to obtain frequency spectrum information, and judging whether the communication signal has the 5G signal according to the frequency spectrum information; and if so, determining the 5G base station corresponding to the 5G signal. The method and the device solve the technical problem that the 5G base station which interferes with the earth station under the condition that the 5G base station is not interfered by the knowledge in the prior art is not detected.
Description
Technical Field
The application relates to the technical field of satellite communication, in particular to a method and a system for detecting a 5G base station of an interference satellite earth station.
Background
The fifth Generation cellular technology (5th-Generation, 5G) is considered as a new capability to promote the development of economic society, and has been promoted as a national strategy by a plurality of countries. The degree of importance of the 5G technology in China is more unprecedented. 11-month three operators in 2017 obtain 5G low-low frequency band test frequency use licenses, and China telecom obtains frequency resources of 3400-3500MHz total 100 MHz; the China mobile obtains frequency resources of 2515 + 2675MHz and 4800 + 4900 MHz; the China Unicom obtains frequency resources of 3500-3600MHz and 100 MHz.
As the downlink of the C-band satellite earth station is 3400MHz-4200MHz, the same frequency and adjacent frequency with the 5G communication frequency used in China telecommunication and China communications, and the strong signal radiation of the 5G base station can seriously interfere the service of the C-band earth station. In order to implement the 5G mobile communication system smoothly and to guarantee the normal use of the frequency of the original satellite earth station, it is necessary to detect the interference of the 5G base station with the earth station. Conventionally, to detect the influence of a 5G base station on an earth station, generally, when the 5G base station interfering with the earth station is known, the direction of a receiving antenna is adjusted to detect the interference signal strength of the 5G base station received by the earth station in different receiving directions, and the interference situation of the 5G base station on the earth station is determined by statistics of the interference signal strength of the 5G base station in different directions. That is, in the prior art, the interference situation of the 5G base station to the earth station is detected under the condition that the interference 5G base station is known, and the 5G base station with the interference to the earth station under the condition that the interference 5G base station is unknown is lacked to detect.
Disclosure of Invention
The technical problem that this application was solved is: in the scheme provided by the embodiment of the application, the earth station receives a communication signal in real time, analyzes and processes the received communication signal to obtain frequency spectrum information, judges whether a 5G signal exists in the currently received communication signal or not through the frequency spectrum information, and if so, determines the 5G base station corresponding to the 5G signal, and further determines the 5G base station interfering the earth station. Therefore, in the solution provided in the embodiment of the present application, the 5G base station that causes interference to the earth station is determined by analyzing the received real-time communication signal, so that not only the 5G base station that has interference to the earth station can be detected under the condition that the interference to the 5G base station is unknown, but also the 5G base station that has interference to the earth station can be detected in real time, which improves the accuracy and real-time performance of detection.
In a first aspect, an embodiment of the present application provides a method for detecting a 5G base station interfering with a satellite earth station, where the method includes:
receiving communication signals in real time, wherein the communication signals comprise satellite signals and/or 5G signals transmitted by 5G base stations in a preset coverage range;
analyzing and processing the communication signal to obtain frequency spectrum information, and judging whether the communication signal has the 5G signal according to the frequency spectrum information;
and if so, determining the 5G base station corresponding to the 5G signal.
In the scheme provided by the embodiment of the application, the earth station receives the communication signal in real time, analyzes and processes the received communication signal to obtain the frequency spectrum information, judges whether a 5G signal exists in the currently received communication signal or not through the frequency spectrum information, and if the 5G signal exists, determines the 5G base station corresponding to the 5G signal, and further determines the 5G base station interfering with the earth station. Therefore, in the solution provided in the embodiment of the present application, the 5G base station that causes interference to the earth station is determined by analyzing the received real-time communication signal, so that not only the 5G base station that has interference to the earth station can be detected under the condition that the interference to the 5G base station is unknown, but also the 5G base station that has interference to the earth station can be detected in real time, which improves the accuracy and real-time performance of detection.
Optionally, receiving the communication signal in real time includes:
aligning the receiving direction of an antenna in a preset satellite signal system with a satellite to receive the communication signal in real time; and/or
And adjusting the receiving direction of the antenna to receive the communication signals from different directions in real time.
Optionally, analyzing and processing the communication signal to obtain spectrum information includes:
carrying out analog-to-digital conversion on the communication signal to obtain a digital communication signal;
and transforming the time domain information in the digital communication signal into frequency domain information according to a preset Fourier transform algorithm, and determining the frequency band and the power of the communication signal according to the frequency domain information.
Optionally, the determining whether the 5G signal exists in the communication signal according to the spectrum information includes:
judging whether the frequency band of the communication signal contains a preset 5G signal frequency band or not;
and if so, determining that the 5G signal is contained in the communication signal.
In a second aspect, an embodiment of the present application provides a system for detecting a 5G base station interfering with a satellite earth station, the system including: a receiving unit, a spectrum analyzing unit and a base station identifying unit; wherein the content of the first and second substances,
the receiving unit is used for receiving communication signals in real time, wherein the communication signals comprise satellite signals and/or 5G signals transmitted by 5G base stations in a preset coverage range;
the frequency spectrum analysis unit is used for analyzing and processing the communication signal to obtain frequency spectrum information and judging whether the communication signal has the 5G signal according to the frequency spectrum information;
and the base station identification unit is used for determining a 5G base station corresponding to the 5G signal if the 5G signal exists.
Optionally, a drive unit is further included; the drive unit is specifically configured to:
aligning the receiving direction of an antenna in a preset satellite signal system with a satellite to receive the communication signal in real time; and/or
And adjusting the receiving direction of the antenna to receive the communication signals from different directions in real time.
Optionally, the spectrum analysis unit is specifically configured to:
carrying out analog-to-digital conversion on the communication signal to obtain a digital communication signal;
and transforming the time domain information in the digital communication signal into frequency domain information according to a preset Fourier transform algorithm, and determining the frequency band and the power of the communication signal according to the frequency domain information.
Optionally, the spectrum analysis unit is specifically configured to:
judging whether the frequency band of the communication signal contains a preset 5G signal frequency band or not;
and if so, determining that the 5G signal is contained in the communication signal.
Drawings
Fig. 1 is a schematic flowchart of a method for detecting a 5G base station interfering with a satellite earth station according to an embodiment of the present application;
fig. 2 is a frequency spectrum diagram of a communication signal received by an earth station according to an embodiment of the present application;
fig. 3 is a 5G base station detection system for interfering with a satellite earth station according to an embodiment of the present application.
Detailed Description
In the solutions provided in the embodiments of the present application, the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The method for detecting a 5G base station of an interfering satellite earth station provided in the embodiments of the present application is further described in detail below with reference to the drawings in the specification, and a specific implementation manner of the method may include the following steps (a method flow is shown in fig. 1):
step 101, the earth station receives communication signals in real time, wherein the communication signals comprise satellite signals and/or 5G signals transmitted by 5G base stations within a preset coverage range.
Specifically, in the solution provided in the embodiment of the present application, a satellite signal receiving system is preset on the earth station, and the satellite signal receiving system is composed of an antenna, a variable frequency amplifier, and a splitter. In the working process of the earth station, the satellite signal receiving system can not only receive satellite signals transmitted by satellites, but also receive 5G signals transmitted by 5G base stations in the coverage area.
When the earth station receives satellite signals, if 5G base stations interfere with the earth station, the earth station receives the satellite signals and also receives 5G signals transmitted by the 5G base stations interfering with the earth station. There are various ways in which the earth station receives the satellite signal or receives the satellite signal and the 5G signal transmitted by the 5G base station through the satellite signal receiving system, and one of the ways is described below as an example.
In one possible implementation, receiving a communication signal in real time includes: aligning the receiving direction of an antenna in a preset satellite signal system with a satellite to receive the communication signal in real time; and/or adjusting the receiving direction of the antenna to receive the communication signal from different directions in real time.
Specifically, in the scheme provided in the embodiment of the present application, the receiving direction of the antenna in the satellite signal system may be aligned with the satellite, at this time, the satellite signal enters the satellite signal system from the main lobe direction of the antenna, and the 5G signal transmitted by the 5G base station may enter the satellite signal system from the side lobe direction of the antenna, so that gains in the two directions of the main lobe and the side lobe of the antenna are different.
And 102, analyzing and processing the communication signal by the earth station to obtain frequency spectrum information, and judging whether the 5G signal exists in the communication signal according to the frequency spectrum information.
Specifically, after receiving a satellite signal transmitted by a satellite or a 5G signal transmitted by a 5G base station in real time, the earth station analyzes and processes the received communication signal to obtain spectrum information. In the solution provided in the embodiment of the present application, there are various ways for the earth station to analyze and process the received communication signal, and one of them is taken as an example for description below.
In one possible implementation manner, analyzing and processing the communication signal to obtain spectrum information includes: carrying out analog-to-digital conversion on the communication signal to obtain a digital communication signal; and transforming the time domain information in the digital communication signal into frequency domain information according to a preset Fourier transform algorithm, and determining the frequency band and the power of the communication signal according to the frequency domain information.
Further, after determining the spectrum information of the received spectrum signal, the earth station judges whether an interfering 5G signal exists currently according to the spectrum information.
In one possible implementation manner, the determining whether the 5G signal exists in the communication signal according to the spectrum information includes: judging whether the frequency band of the communication signal contains a preset 5G signal frequency band or not; and if so, determining that the 5G signal is contained in the communication signal.
For ease of understanding, the following description will be given by way of example of a satellite signal system having a 4.5 meter antenna.
Specifically, referring to fig. 2, a spectrum diagram of a communication signal received by an earth station according to an embodiment of the present application is provided. In fig. 2, the frequency range of the received communication signal is (3400MHz,4200MHz), the frequency range of the 5G signal is (3400MHz,3600MHz), and the frequency range of the satellite signal is (3700MHz,4200 MHz).
And 103, if the signal exists, the earth station determines a 5G base station corresponding to the 5G signal.
Specifically, in the solution provided in this embodiment, if the earth station determines that a 5G signal exists in the received communication signal, the earth station determines, from the 5G signal, identification information of the transmitting 5G base station, such as a number, an ID, or an address, and then locates the 5G base station according to the identification information of the 5G base station.
Further, in the solution provided in the embodiment of the present application, if the earth station determines that the communication signal does not have the 5G signal according to the spectrum information, the earth station jumps to step 101 to continue receiving the communication signal in real time.
In the scheme provided by the embodiment of the application, the earth station receives the communication signal in real time, analyzes and processes the received communication signal to obtain the frequency spectrum information, judges whether a 5G signal exists in the currently received communication signal or not through the frequency spectrum information, and if the 5G signal exists, determines the 5G base station corresponding to the 5G signal, and further determines the 5G base station interfering with the earth station. Therefore, in the solution provided in the embodiment of the present application, the 5G base station that causes interference to the earth station is determined by analyzing the received real-time communication signal, so that not only the 5G base station that has interference to the earth station can be detected under the condition that the interference to the 5G base station is unknown, but also the 5G base station that has interference to the earth station can be detected in real time, which improves the accuracy and real-time performance of detection.
Based on the same inventive concept as the method shown in fig. 1, the embodiment of the present application provides a 5G base station detection system for an interfering satellite earth station, referring to fig. 3, the system includes: a receiving unit 31, a spectrum analyzing unit 32, and a base station identifying unit 33; wherein the content of the first and second substances,
the receiving unit 31 is configured to receive a communication signal in real time, where the communication signal includes a satellite signal and/or a 5G signal transmitted by a 5G base station within a preset coverage area;
the spectrum analysis unit 32 is configured to analyze and process the communication signal to obtain spectrum information, and determine whether the communication signal has the 5G signal according to the spectrum information;
the base station identification unit 33 is configured to determine, if the 5G signal exists, a 5G base station corresponding to the 5G signal.
Specifically, in the solution provided in the embodiment of the present application, the antenna in the satellite signal system may be driven to rotate by a driving device, and there are various ways to drive the antenna to rotate, for example, manually or electrically. In fig. 3, the antenna in the satellite signal system is electrically driven. The receiving unit 31 includes an antenna, a Low Noise Block (LNB), and a splitter; the spectrum analysis unit 32 includes a switch (L-switch), a Digital Signal Processor (DSP), a Local Network Server (LNS), an exchange, and a spectrum display terminal; the driving Antenna 34 includes a beacon, an Antenna Control Unit (ACU), and an Antenna Drive Unit (ADU).
Optionally, referring to fig. 3, a drive unit 34 is further included; the driving unit 34 is specifically configured to:
aligning the receiving direction of an antenna in a preset satellite signal system with a satellite to receive the communication signal in real time; and/or
And adjusting the receiving direction of the antenna to receive the communication signals from different directions in real time.
Optionally, the spectrum analysis unit 32 is specifically configured to:
carrying out analog-to-digital conversion on the communication signal to obtain a digital communication signal;
and transforming the time domain information in the digital communication signal into frequency domain information according to a preset Fourier transform algorithm, and determining the frequency band and the power of the communication signal according to the frequency domain information.
Optionally, the spectrum analysis unit 32 is specifically configured to:
judging whether the frequency band of the communication signal contains a preset 5G signal frequency band or not;
and if so, determining that the 5G signal is contained in the communication signal.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (8)
1. A method for detecting a 5G base station interfering with a satellite earth station, comprising:
receiving communication signals in real time, wherein the communication signals comprise satellite signals and/or 5G signals transmitted by 5G base stations in a preset coverage range;
analyzing and processing the communication signal to obtain frequency spectrum information, and judging whether the communication signal has the 5G signal according to the frequency spectrum information;
and if so, determining the 5G base station corresponding to the 5G signal.
2. The method of claim 1, wherein receiving communication signals in real-time comprises:
aligning the receiving direction of an antenna in a preset satellite signal system with a satellite to receive the communication signal in real time; and/or
And adjusting the receiving direction of the antenna to receive the communication signals from different directions in real time.
3. The method of claim 2, wherein analyzing the communication signal to obtain spectral information comprises:
carrying out analog-to-digital conversion on the communication signal to obtain a digital communication signal;
and transforming the time domain information in the digital communication signal into frequency domain information according to a preset Fourier transform algorithm, and determining the frequency band and the power of the communication signal according to the frequency domain information.
4. The method according to any one of claims 1 to 3, wherein determining whether the 5G signal exists in the communication signal according to the spectrum information comprises:
judging whether the frequency band of the communication signal contains a preset 5G signal frequency band or not;
and if so, determining that the 5G signal is contained in the communication signal.
5. A system for detecting a 5G base station interfering with a satellite earth station, comprising: a receiving unit, a spectrum analyzing unit and a base station identifying unit; wherein the content of the first and second substances,
the receiving unit is used for receiving communication signals in real time, wherein the communication signals comprise satellite signals and/or 5G signals transmitted by 5G base stations in a preset coverage range;
the frequency spectrum analysis unit is used for analyzing and processing the communication signal to obtain frequency spectrum information and judging whether the communication signal has the 5G signal according to the frequency spectrum information;
and the base station identification unit is used for determining a 5G base station corresponding to the 5G signal if the 5G signal exists.
6. The system of claim 5, further comprising a drive unit; the drive unit is specifically configured to:
aligning the receiving direction of an antenna in a preset satellite signal system with a satellite to receive the communication signal in real time; and/or
And adjusting the receiving direction of the antenna to receive the communication signals from different directions in real time.
7. The system of claim 6, wherein the spectral analysis unit is specifically configured to:
carrying out analog-to-digital conversion on the communication signal to obtain a digital communication signal;
and transforming the time domain information in the digital communication signal into frequency domain information according to a preset Fourier transform algorithm, and determining the frequency band and the power of the communication signal according to the frequency domain information.
8. The system according to any one of claims 5 to 7, wherein the spectrum analysis unit is specifically configured to:
judging whether the frequency band of the communication signal contains a preset 5G signal frequency band or not;
and if so, determining that the 5G signal is contained in the communication signal.
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| CN202011507511.4A CN112688745A (en) | 2020-12-18 | 2020-12-18 | 5G base station detection method and system for interference satellite earth station |
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| CN202011507511.4A CN112688745A (en) | 2020-12-18 | 2020-12-18 | 5G base station detection method and system for interference satellite earth station |
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- 2020-12-18 CN CN202011507511.4A patent/CN112688745A/en active Pending
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| US20140087652A1 (en) * | 2012-09-27 | 2014-03-27 | Electronics And Telecommunications Research Institute | Adaptive satellite power transmission system for overcoming radio interference in the multi-beam satellite system and communication method |
| CN110099388A (en) * | 2019-03-21 | 2019-08-06 | 世讯卫星技术有限公司 | A kind of satellite mobile communication method with the 5G network integration |
| CN110361694A (en) * | 2019-07-18 | 2019-10-22 | 天津市德力电子仪器有限公司 | A kind of detection localization method in quick searching 5G signal interference source |
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