Real-time data capturing system and method

Abstract

The embodiment of the invention relates to the technical field of communication, and discloses a real-time data capturing system and method. The system comprises an RU, a signal source, a control terminal and a switch matrix, the RU comprises at least one antenna sub-unit to be tested, the antenna sub-unit to be tested is connected with the signal source through the switch matrix and used for obtaining a test signal, the switch matrix is connected with the control terminal, and the control terminal controls on-off of the antenna sub-units; the Transceiver is connected with the antenna subunit and is used for transmitting or receiving a signal; and the data acquisition subunit is connected with the Transceiver and is used for acquiring real-time data in the Transceiver and sending the real-time data to the control terminal, and the control terminal analyzes the data. According to the technical scheme of the embodiment of the invention, real-time acquisition of more intermediate data in the RU is realized, so that debugging and verification of the base station are assisted.

Description

Technical Field

[0001] The present application relates to the field of communication technology, and in particular to a real-time data capture system and method. Background Art

[0002] 5G base stations are the core equipment of 5G communication networks, providing wireless coverage and realizing wireless signal transmission between wired communication networks and wireless control terminals. 5G base stations are divided into three parts: CU, DU and RU. CU is the central unit, which processes high-level protocols and is responsible for non-real-time configuration and control decisions. DU is a distributed unit that processes functions with high real-time requirements and some physical layer functions. RU is the antenna unit, which is responsible for converting digital signals from DU into RF signals and transmitting them to the antenna, and converting RF signals from the antenna into digital signals and transmitting them to DU.

[0003] In the process of communication data transmission, in order to monitor the accuracy of data transmission and ensure the stability of communication quality, the base station needs to be debugged and data verified. In the process of debugging and verifying the base station, it is necessary to understand more intermediate data in the RU. Therefore, how to obtain more intermediate data has become a problem faced in the current base station data analysis. Summary of the invention

[0004] One purpose of the present application is to provide a real-time data capture system and method, at least to solve the problem of how to obtain more intermediate data in the RU to assist in the debugging and verification of the base station.

[0005] To achieve the above objectives, some embodiments of the present application provide the following aspects:

[0006] In a first aspect, an embodiment of the present application provides a real-time data capture system, the system comprising an RU, a signal source, a control terminal and a switch matrix, wherein the RU comprises:

[0007] At least one antenna subunit to be tested is connected to the signal source through the switch matrix to obtain a test signal, the switch matrix is ​​connected to the control terminal, and the control terminal controls the on and off of each antenna subunit;

[0008] Transceiver is a radio transceiver / receiver, connected to the antenna subunit, and used for sending or receiving signals;

[0009] The data acquisition subunit is connected to the Transceiver and is used to acquire the real-time data therein and send it to the control terminal, which performs data analysis.

[0010] Furthermore, the signal source is connected to the control terminal, and the control terminal controls the sending of the test signal.

[0011] Furthermore, the system also includes a spectrum analyzer, which is connected to the switch matrix and is used for signal reception and spectrum analysis.

[0012] Furthermore, the spectrum analyzer is connected to the control terminal, the control terminal controls the spectrum analyzer to receive signals and perform spectrum analysis, and the control terminal performs data analysis according to spectrum analysis results.

[0013] Furthermore, the system also includes a DU, one end of which is connected to the data acquisition subunit and the other end is connected to the control terminal, for processing the acquired real-time data and sending the processing results to the control terminal, which performs data analysis.

[0014] Furthermore, the real-time data obtained is IQ (In-phase Quadrature) data.

[0015] In a second aspect, the embodiments of the present application further provide a method for real-time data capture, which is applied to any control terminal described in the embodiments of the present application, and the method includes:

[0016] Acquire the target antenna subunit to be tested, and send a control instruction to the switch matrix to instruct the switch matrix to only conduct the target antenna subunit;

[0017] The real-time data is acquired from the data acquisition subunit, wherein the real-time data is the real-time data received or sent by the Transceiver.

[0018] Furthermore, before acquiring real-time data from the data acquisition subunit and performing data analysis, the method further includes:

[0019] A target test instruction is obtained, and the target test instruction is sent to a signal source to instruct the signal source to send a target test signal to the target antenna subunit.

[0020] Furthermore, after acquiring the real-time data from the data acquisition subunit, the method further includes:

[0021] Obtaining spectrum analysis results from a spectrum analyzer, and calculating spectrum information of the real-time data;

[0022] comparing the spectrum analysis result with the spectrum information;

[0023] The target antenna subunit is evaluated according to the comparison result.

[0024] Furthermore, after acquiring the real-time data from the data acquisition subunit, the method further includes:

[0025] Calculating the signal-to-noise ratio and / or sensitivity of the signal according to the real-time data;

[0026] Compare the calculated results with the detection results of DU;

[0027] The target antenna subunit is evaluated according to the comparison result.

[0028] Compared with the related art, in the solution provided in the embodiment of the present application, a switch matrix is ​​set between the signal source and at least one antenna subunit to be tested, and a data acquisition subunit is added to the RU, so that the intermediate data of a certain path can be captured in real time to assist in the debugging and verification of the base station.

[0029] By connecting the signal source to the control terminal, the control terminal can control the sending of the test signal.

[0030] By adding a spectrum analyzer to the system, the spectrum analyzer is connected to the switch matrix for receiving and spectrum analysis of signals, thereby realizing data analysis of the acquired intermediate data based on the spectrum analysis results of the signals.

[0031] By connecting the spectrum analyzer with the control terminal, the control terminal can control the spectrum analyzer to receive signals and perform spectrum analysis, thereby realizing automation of spectrum analysis.

[0032] By adding DU in the system, one end of the DU is connected to the data acquisition subunit and the other end is connected to the control terminal, which is used to process the acquired real-time data and send the processing results to the control terminal, thereby realizing data analysis of the acquired intermediate data according to the data processing results of the DU. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] One or more embodiments are exemplarily described by pictures in the corresponding drawings, and these exemplified descriptions do not constitute limitations on the embodiments. Elements with the same reference numerals in the drawings represent similar elements, and unless otherwise stated, the figures in the drawings do not constitute proportional limitations.

[0034] Figure 1 A schematic diagram of the structure of a real-time data capture system provided according to some embodiments of the present application;

[0035] Figure 2 A schematic diagram of the structure of another real-time data capture system provided according to some embodiments of the present application;

[0036] Figure 3 The present invention is a flowchart of a method for real-time data capture according to some embodiments of the present application. DETAILED DESCRIPTION

[0037] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0038] First embodiment

[0039] The first embodiment of the present application relates to a real-time data capture system, which is applied to 4G or 5G small base stations. Figure 1 The structure diagram of a real-time data capture system provided according to some embodiments of the present application is as follows: Figure 1 As shown, the system includes RU, signal source, control terminal and switch matrix, wherein RU includes:

[0040] At least one antenna subunit to be tested is connected to the signal source through the switch matrix to obtain a test signal, the switch matrix is ​​connected to the control terminal, and the control terminal controls the on and off of each antenna subunit;

[0041] Transceiver, connected to the antenna subunit, for sending or receiving signals;

[0042] The data acquisition subunit is connected to the Transceiver and is used to acquire the real-time data therein and send it to the control terminal, which performs data analysis.

[0043] The antenna subunit includes a power amplifier PA, a coupler Coupler, a circulator Circulator and a connector ANT Connector.

[0044] There may be multiple antenna subunits to be tested, and the conduction with the signal source is controlled by a switch matrix.

[0045] The real-time data may be data received or sent in real time in the Transceiver, and the specific data format may be set according to actual needs, which is not limited in this embodiment. For example, the data format of the real-time data may be IQ data.

[0046] The control terminal may be any terminal that implements the above control function, and this embodiment does not limit this. For example, the control terminal may be a computer, a mobile phone or other intelligent terminal.

[0047] The data acquisition subunit can be implemented by any logic device. For example, the data acquisition subunit can be implemented by FPGA (Field Programmable Gate Array).

[0048] See also Figure 1 , Transceiver is connected to the antenna subunit, sends signals through the TX interface, and receives signals through the RX interface and / or the ORX interface.

[0049] The technical solution of the embodiment of the present application is to set a switch matrix between the signal source and at least one antenna subunit to be tested, and add a data acquisition subunit in the RU, so as to realize real-time capture of intermediate data of a certain path to assist in debugging and verification of the base station.

[0050] Optionally, the signal source may not be connected to the control terminal, and the sending of the test signal may be manually controlled by a staff member.

[0051] In order to improve the automation of the system, the signal source is connected to the control terminal, and the control terminal controls the sending of the test signal.

[0052] To facilitate data analysis of real-time data, the system further includes a spectrum analyzer, which is connected to the switch matrix and is used for signal reception and spectrum analysis.

[0053] Optionally, the real-time data analysis based on the spectrum analysis results may be continued with manual control.

[0054] In order to improve the intelligence of system data analysis, the spectrum analyzer is connected to the control terminal, the control terminal controls the spectrum analyzer to receive signals and perform spectrum analysis, and the control terminal performs data analysis based on the spectrum analysis results.

[0055] To further facilitate data analysis of real-time data, the system also includes a DU, one end of which is connected to the data acquisition subunit and the other end is connected to the control terminal, for processing the acquired real-time data and sending the processing results to the control terminal, which performs data analysis.

[0056] Second embodiment

[0057] Figure 2 FIG. 1 is a schematic diagram of another structure of a real-time data capture system provided according to some embodiments of the present application. Figure 2 As shown, the system includes RU, signal source, control computer and switch matrix, wherein the RU includes:

[0058] At least one antenna subunit to be tested is connected to the signal source through the switch matrix to obtain a test signal, the switch matrix is ​​connected to the control computer, the control computer controls the on and off of each antenna subunit, and the signal source is connected to the control computer, the control computer controls the sending of the test signal;

[0059] Transceiver, connected to the antenna subunit, for sending or receiving signals;

[0060] A data acquisition subunit, connected to the Transceiver, for acquiring IQ data in real time and sending it to the control computer, which performs data analysis;

[0061] The system further comprises a spectrum analyzer, which is connected to the switch matrix and used for receiving signals and spectrum analysis. The spectrum analyzer is connected to the control computer, and the control computer controls the spectrum analyzer to receive signals and analyze the spectrum, and the control computer performs data analysis based on the spectrum analysis results.

[0062] The system also includes a DU, one end of which is connected to the data acquisition subunit and the other end is connected to the control computer, for processing the acquired real-time data and sending the processing results to the control computer, which performs data analysis.

[0063] The data acquisition subunit is implemented by FPGA, connected to the Transceiver through the JESD interface, and connected to the DU through the ECPRI interface.

[0064] The antenna subunit includes PA, Coupler, Circulator and ANT Connector.

[0065] The technical solution of the embodiment of the present application controls the conduction between the signal source and at least one antenna subunit to be tested and the sending of the test signal by a control computer. The data acquisition subunit captures the IQ data of a certain path in real time and sends it to the control computer. The control computer analyzes the IQ data acquired in real time according to the spectrum analysis results of the spectrum analyzer or the processing results of the DU, so that the system can automatically assist in the debugging and verification of the base station.

[0066] Third embodiment

[0067] The third embodiment of the present application relates to a real-time data capture method, which is applied to any real-time data capture system described in any of the embodiments of the present application. Figure 3 A flowchart of a real-time data capture method provided according to some embodiments of the present application is shown in FIG. Figure 3 As shown, the method may include the following steps:

[0068] S110, obtaining a target antenna subunit to be tested, and sending a control instruction to a switch matrix, instructing the switch matrix to only conduct the target antenna subunit.

[0069] S120, acquiring real-time data from the data acquisition subunit, wherein the real-time data is real-time data received or sent by the Transceiver.

[0070] The target antenna subunit is the antenna subunit that currently needs to be tested and is also one of the at least one antenna subunit to be tested.

[0071] To realize automatic sending of the test signal, before acquiring the real-time data from the data acquisition subunit and performing data analysis, the method further includes:

[0072] A target test instruction is obtained, and the target test instruction is sent to a signal source to instruct the signal source to send a target test signal to the target antenna subunit.

[0073] The target test instruction is an instruction that carries a target test signal, and the target test signal is a signal that currently needs to be tested.

[0074] To facilitate data analysis of real-time data, after the data acquisition subunit acquires real-time data, the method further includes:

[0075] Obtaining spectrum analysis results from a spectrum analyzer, and calculating spectrum information of the real-time data;

[0076] comparing the spectrum analysis result with the spectrum information;

[0077] The target antenna subunit is evaluated according to the comparison result.

[0078] To further facilitate data analysis of real-time data, after acquiring real-time data from the data acquisition subunit, the method further includes:

[0079] Calculating the signal-to-noise ratio and / or sensitivity of the signal according to the real-time data;

[0080] Compare the calculation results with the detection results of the DU distributed unit;

[0081] The target antenna subunit is evaluated according to the comparison result.

[0082] The technical solution of the embodiment of the present application controls the conduction between the signal source and at least one antenna subunit to be tested and the sending of the test signal, and captures the intermediate data of a certain path from the data acquisition subunit in real time, and then compares, analyzes and debugs the acquired real-time data based on the spectrum analysis results or DU detection results. The entire process is coordinated and driven by the control terminal to achieve automatic debugging and verification of the base station.

[0083] The flow chart or block diagram in the accompanying drawings shows the possible architecture, function and operation of the equipment, method and computer program product according to various embodiments of the present application. In this regard, each box in the flow chart or block diagram can represent a module, a program segment or a part of a code, and the module, the program segment or a part of the code contains one or more executable instructions for realizing the specified logical function. It should also be noted that in some alternative implementations, the functions marked in the box can also occur in a different order from the order marked in the accompanying drawings. For example, two boxes represented in succession can actually be executed substantially in parallel, and they can sometimes be executed in the opposite order, depending on the functions involved. It should also be noted that each box in the block diagram and / or flow chart, and the combination of the boxes in the block diagram and / or flow chart can be implemented with a dedicated system for hardware that performs a specified function or operation, or can be implemented with a combination of dedicated hardware and computer instructions.

[0084] The scope of the present application is defined by the appended claims rather than the above description, and it is intended that all changes that fall within the meaning and scope of the equivalent elements of the claims are included in the present application. Any figure mark in the claims should not be regarded as limiting the claims involved. In addition, it is clear that the word "comprising" does not exclude other units or steps, and the singular does not exclude the plural. Multiple units or devices stated in the device claim may also be implemented by one unit or device through software or hardware. The words "first", "second", etc. are only used to distinguish the description, and do not indicate any particular order, nor can they be understood as indicating or implying relative importance.

[0085] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art can easily mention changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims, and the above embodiments should be regarded as exemplary and non-restrictive.

Claims

1. A real-time data capture system, characterized in that: The system includes an RU antenna unit, a signal source, a control terminal and a switch matrix, wherein the RU includes: At least one antenna subunit to be tested is connected to the signal source through the switch matrix to obtain a test signal, the switch matrix is ​​connected to the control terminal, and the control terminal controls the on and off of each antenna subunit; Transceiver is a radio transceiver / receiver, connected to the antenna subunit, and used for sending or receiving signals; The data acquisition subunit is connected to the Transceiver and is used to acquire the real-time data therein and send it to the control terminal, which performs data analysis.

2. The system according to claim 1, characterized in that The signal source is connected to the control terminal, and the control terminal controls the sending of the test signal.

3. The system according to claim 1, characterized in that The system further comprises a spectrum analyzer, which is connected to the switch matrix and is used for signal reception and spectrum analysis.

4. The system according to claim 3, characterized in that The spectrum analyzer is connected to the control terminal, and the control terminal controls the spectrum analyzer to receive signals and perform spectrum analysis, and the control terminal performs data analysis according to the spectrum analysis results.

5. The system according to claim 1, characterized in that The system also includes a DU distributed unit, one end of which is connected to the data acquisition subunit and the other end is connected to the control terminal, for processing the acquired real-time data and sending the processing results to the control terminal, which performs data analysis.

6. The system according to claim 1, characterized in that The real-time data obtained is IQ quadrature amplitude component data.

7. A real-time data capture method, applied to the control terminal according to any one of claims 1 to 6, characterized in that: The method comprises: Acquire a target antenna subunit to be tested, and send a control instruction to a switch matrix to instruct the switch matrix to only conduct the target antenna subunit; Acquire real-time data from the data acquisition subunit, wherein the real-time data is the real-time data received or sent by the Transcei ver radio transceiver.

8. The method according to claim 7, characterized in that Before acquiring real-time data from the data acquisition subunit and performing data analysis, the method further includes: A target test instruction is obtained, and the target test instruction is sent to a signal source to instruct the signal source to send a target test signal to the target antenna subunit.

9. The method according to claim 7, characterized in that: After acquiring the real-time data from the data acquisition subunit, the method further includes: Obtaining spectrum analysis results from a spectrum analyzer, and calculating spectrum information of the real-time data; comparing the spectrum analysis result with the spectrum information; The target antenna subunit is evaluated according to the comparison result.

10. The method according to claim 7, characterized in that After acquiring the real-time data from the data acquisition subunit, the method further includes: Calculating the signal-to-noise ratio and / or sensitivity of the signal according to the real-time data; Compare the calculation results with the detection results of the DU distributed unit; The target antenna subunit is evaluated according to the comparison result.

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