Operation monitoring method and system for 5g MIMO frequency-shift dual-path system

By monitoring the communication link status in the 5G MIMO frequency shift dual-channel system, and using actual and ideal input power values ​​to determine the operating status of the equipment, the problem of system fault location difficulties is solved and the maintenance time is significantly reduced.

WO2025066557A1PCT designated stage expired Publication Date: 2025-04-03BEIJING WIDE TECH CO LTD
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Patent Information

Application Number
PCT/CN2024/110060
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2023-09-28
Filing Date
2024-08-06
Publication Date
2025-04-03

AI Technical Summary

Technical Problem

When the existing 5G MIMO frequency shift dual-channel system fails, it cannot directly locate the cause of the failure, resulting in a long maintenance time.

Method used

By monitoring the status of the preset communication link in the 5G MIMO frequency shift dual-channel system, the actual input power value and the expected ideal input power value are used to determine the operating status of the equipment and the fault location is achieved.

Benefits of technology

Real-time monitoring of the status of each communication link in the system is realized. When any communication link is abnormal, the operating status of each device on the link is accurately judged, which greatly reduces the maintenance time.

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Abstract

The present invention relates to the technical field of 5G MIMO frequency shifting. Disclosed are an operation monitoring method and system for a 5G MIMO frequency-shift dual-path system. The method comprises: on the basis of an actual input power value and an expected ideal input power value of a remote radio unit of a preset communication link in a 5G MIMO frequency-shift dual-path system, determining the state of the preset communication link; and when the state of the preset communication link is abnormal, on the basis of an actual input power value and an expected ideal input power value of each remote radio unit associated with any device on the preset communication link, determining the operation state of the device until the operation state of each device on the preset communication link is determined. By means of the present invention, the state of each communication link in a 5G MIMO frequency-shift dual-path system can be monitored in real time; and when the state of any communication link is abnormal, the operation state of each device on the communication link can also be accurately determined, thereby realizing fault locating and greatly shortening maintenance time.
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Description

Operation monitoring method and system for 5G MIMO frequency-shifted dual-path system Technical Field

[0001] The present invention relates to the field of 5G MIMO frequency shift technology, and in particular to an operation monitoring method and system for a 5G MIMO frequency shift dual-path system. Background Art

[0002] Currently, when a frequency-shifting repeater system fails, it is impossible to directly locate the cause of the failure, resulting in a long maintenance time.

[0003] Summary of the Invention

[0004] The technical problem to be solved by the present invention is to address the deficiencies of the existing technology and specifically provide an operation monitoring method and system for a 5G MIMO frequency-shifted dual-path system, as follows:

[0005] 1) In a first aspect, the present invention provides an operation monitoring method for a 5G MIMO frequency-shifted dual-path system. The specific technical solution is as follows:

[0006] Determining a state of a preset communication link in the 5G MIMO frequency-shifted two-way system based on an actual input power value of a remote device and an expected ideal input power value of the preset communication link, wherein the preset communication link is a communication link between any near-end device and any remote device in the 5G MIMO frequency-shifted two-way system;

[0007] When the status of the preset communication link is abnormal, the operating status of the device is determined based on the actual input power value and the expected ideal input power value of each remote machine associated with any device on the preset communication link, until the operating status of each device on the preset communication link is determined.

[0008] The beneficial effects of the operation monitoring method of a 5G MIMO frequency-shifted dual-path system provided by the present invention are as follows:

[0009] It can monitor the status of each communication link in the 5G MIMO frequency-shifting dual-path system in real time. When the status of any communication link is abnormal, it can accurately determine the operating status of each device on the communication link, thereby locating the fault and greatly reducing maintenance time.

[0010] Based on the above solution, the operation monitoring method of a 5G MIMO frequency-shifted dual-path system of the present invention can be further improved as follows.

[0011] Furthermore, it also includes: drawing a device topology diagram of the 5G MIMO frequency-shifted dual-path system.

[0012] Furthermore, the method further includes: determining the devices on the preset communication link according to the device topology diagram.

[0013] Furthermore, the method further includes: determining the remote machine associated with each device on the preset communication link according to the device topology diagram.

[0014] 2) In a second aspect, the present invention further provides an operation monitoring system for a 5G MIMO frequency-shifted dual-path system, the specific technical solution of which is as follows:

[0015] It includes a communication link status determination module and a device operation status determination module;

[0016] The communication link status determination module is configured to determine the status of a preset communication link based on an actual input power value and an expected ideal input power value of a remote device of a preset communication link in the 5G MIMO frequency-shifted two-way system, wherein the preset communication link is a communication link between any near-end device and any remote device in the 5G MIMO frequency-shifted two-way system;

[0017] The device operation status determination module is used to: when the status of the preset communication link is abnormal, determine the operation status of the device according to the actual input power value and the expected ideal input power value of each remote machine associated with any device on the preset communication link, until the operation status of each device on the preset communication link is determined.

[0018] Based on the above solution, the operation monitoring system of a 5G MIMO frequency-shifted dual-path system of the present invention can also be improved as follows.

[0019] Furthermore, it also includes a drawing module, which is used to draw a device topology diagram of the 5G MIMO frequency-shifted dual-path system.

[0020] Furthermore, it also includes a device determination module, which is used to: determine the devices on the preset communication link according to the device topology map.

[0021] Furthermore, the system further includes a remote machine determination module, which is used to determine the remote machine associated with each device on the preset communication link according to the device topology diagram.

[0022] 3) In a third aspect, the present invention further provides a computer device, comprising a processor coupled to a memory, wherein the memory stores at least one computer program, and the at least one computer program is loaded and executed by the processor, so that the computer device implements any of the above-mentioned methods for monitoring the operation of a 5G MIMO frequency-shifted dual-path system.

[0023] 4) In a fourth aspect, the present invention further provides a computer-readable storage medium, in which at least one computer program is stored, and at least one computer program is loaded and executed by a processor to enable a computer to implement any of the above-mentioned 5G MIMO frequency-shifted dual-path system operation monitoring methods.

[0024] It should be noted that the beneficial effects achieved by the technical solutions of the second to fourth aspects of the present invention and the corresponding possible implementation methods can be found in the above-mentioned technical effects of the first aspect and its corresponding possible implementation methods, and will not be repeated here. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Other features, objects and advantages of the present invention will become more apparent upon reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0026] FIG1 is a schematic flow chart of a method for monitoring the operation of a 5G MIMO frequency-shifted dual-path system according to an embodiment of the present invention;

[0027] Figure 2 shows the equipment topology of a 5G MIMO frequency-shifted dual-path system;

[0028] FIG3 is a schematic structural diagram of an operation monitoring system for a 5G MIMO frequency-shifted dual-path system according to an embodiment of the present invention;

[0029] FIG4 is a schematic structural diagram of a computer device according to an embodiment of the present invention. DETAILED DESCRIPTION

[0030] To make the objectives, technical solutions and advantages of the present invention more clear, the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

[0031] As shown in FIG1 , a method for monitoring the operation of a 5G MIMO frequency-shifted dual-path system according to an embodiment of the present invention includes the following steps:

[0032] S1. Determining a state of a preset communication link in a 5G MIMO frequency-shifted two-way system based on an actual input power value and an expected ideal input power value of a remote device of the preset communication link, where the preset communication link is a communication link between any near-end device and any remote device in the 5G MIMO frequency-shifted two-way system;

[0033] Among them, the 5G MIMO frequency-shifted dual-path system is explained as follows:

[0034] The 5G MIMO frequency-shifting two-way system is a frequency-shifting repeater system. The equipment in the 5G MIMO frequency-shifting two-way system includes: at least one near-end unit, at least one far-end unit, and equipment for establishing a communication link. The equipment used to establish the communication link includes: a power splitter and a coupler. The working principle of the 5G MIMO frequency-shifting two-way system is as follows:

[0035] The near-end machine receives the output signal of the RF base station and couples it, then frequency-shifts the coupled signal and transmits the frequency-shifted signal to the far-end machine using an RF cable. The far-end machine frequency-shifts the received signal again, amplifies it, and transmits it, thereby achieving network signal coverage. Each near-end machine can be connected to multiple far-end machines, such as each near-end machine can be connected to 1 to 64 far-end machines. The number of far-end machines connected to each near-end machine can be set according to actual conditions.

[0036] The near-end machine and the far-end machine are explained as follows:

[0037] 1) Remote Radio Unit (RRU): Usually placed high up in the air or away from the base station's central processing unit (CPU) to shorten transmission distance, reduce transmission loss, and improve system performance.

[0038] 2) Base Band Unit (BBU): This often refers to the central processing unit (CPU) in a base station. It is responsible for data reception, demodulation, encoding, modulation, and transmission. It implements software-defined radio (SDR), making wireless communications more flexible and scalable.

[0039] The communication link in the 5G MIMO frequency-shifted dual-path system is constructed as follows:

[0040] The near-end machine, at least one device used to establish a communication link, and the far-end machine are connected via a radio frequency cable to obtain a communication link between the near-end machine and the far-end machine.

[0041] The actual input power value of the remote device refers to the power value actually input to the remote device. The acquisition process is as follows: Currently, the remote device can directly collect the actual input power value and the actual output power value. The actual output power value of the remote device refers to the power value actually output by the remote device.

[0042] The expected ideal input power value of the remote device refers to the power value expected to be input to the remote device according to theoretical calculation. The calculation process of the expected ideal input power value of the remote device on the preset communication link is as follows:

[0043] Construct the first formula: F n =f n-1 -f n ′ ,n-1 , where F n Indicates: the expected ideal input power value of the nth device on the preset communication link, f n-1It represents the expected ideal output power value of the n-1th device on the preset communication link. The expected ideal output power value of any device represents the power value expected to be output by the device according to theoretical calculation. n ′ ,n-1 Represents the line loss power of the RF cable between the nth device and the n-1th device, 1<n≤N, N represents the total number of devices on the preset communication link, n and N are both positive integers, and the devices on the preset communication link include: a near-end device, a far-end device, and at least one device used to establish the communication link. The first device in the preset communication link is the near-end device, and the Nth device in the preset communication link is the far-end device.

[0044] When the n-1th device is a near-end device, the near-end device can directly acquire its actual output power value;

[0045] When the n-1th device is a coupler, the expected ideal output power value of the coupler's through port is: the expected ideal input power value of the coupler and the preset power error value corresponding to the coupler, and the preset power error value corresponding to the coupler can be set according to actual conditions; the expected ideal output power value of the coupling port of the coupler is: the difference between the first difference value and the preset power error value corresponding to the coupler, and the first difference value is: the difference between the expected ideal input power value of the coupler and the coupler coefficient. For example, when the coupler coefficient of the coupler is 5dB, the first difference value is: the difference between the expected ideal input power value of the coupler and 5dB.

[0046] When the (n-1)th device is a power splitter, the expected ideal output power value of any output port of the power splitter is: the expected ideal input power value of the power splitter multiplied by the power splitter coefficient corresponding to the output port. For example, when the power splitter is a two-power splitter, the power splitter coefficient of each output port of the power splitter is 0.5.

[0047] Substituting n=2, 3, ..., N into the first formula respectively, we obtain a group of formulas. The near-end machine can directly collect its own actual output power value. In other words, the actual output power value of the near-end machine is known. Substituting it into the group of formulas can solve the expected ideal input power value of each device in the preset communication link except the near-end machine.

[0048] It should be noted that the expected ideal input power value of the near-end device is a fixed value set according to actual conditions, and the expected ideal input power value of the near-end device is provided by the signal source, ie, the radio frequency base station.

[0049] The process of determining the status of the preset communication link is as follows:

[0050] Determine whether the power difference between the expected ideal input power value of the remote machine in the preset communication link and the actual input power value of the remote machine exceeds the preset deviation value. If so, determine that the state of the preset communication link is abnormal. If not, determine that the state of the preset communication link is normal. When the state of the preset communication link is abnormal, it means that the preset communication link cannot communicate normally. When the state of the preset communication link is normal, it means that the preset communication link can communicate normally.

[0051] S2. When the status of the preset communication link is abnormal, the operating status of the device is determined based on the actual input power value and the expected ideal input power value of each remote machine associated with any device on the preset communication link, until the operating status of each device on the preset communication link is determined.

[0052] Any device associated with it includes a remote device: a remote device to which the device is directly or indirectly connected via a radio frequency cable.

[0053] The process of determining the operational status of any device on a predetermined communication link, comprising:

[0054] When the power difference between the actual input power value and the expected ideal input power value of each remote device associated with the device does not exceed the preset deviation value, it indicates that the device is operating normally and other devices on the preset communication link are continued to be checked.

[0055] When any device on the preset communication link is a coupler or a power splitter, determine whether the power difference between the actual input power value of each remote device directly or indirectly connected to each output port and the expected ideal input power value exceeds the preset deviation value, then:

[0056] 1) If the power difference between the actual input power value and the expected ideal input power value of each remote device directly or indirectly connected to each output port exceeds the preset deviation value, it indicates that the operating status of the device is abnormal;

[0057] 2) If the power difference between the actual input power value and the expected ideal input power value of each remote device directly or indirectly connected to any output port exceeds the preset deviation value, but the power difference between the actual input power value and the expected ideal input power value of each remote device directly or indirectly connected to the remaining output ports does not exceed the preset deviation value, then it indicates that the output port of the device is abnormal;

[0058] The output end is a general term for the through port of the coupler, the coupling port of the coupler, and each output port of the power splitter.

[0059] When the operating status of any device is abnormal, the device with abnormal operating status is repaired or replaced, and other devices on the preset communication link are continued to be checked.

[0060] Optionally, in the above technical solution, the following is further included:

[0061] S3. Draw a device topology diagram of the 5G MIMO frequency-shifted dual-path system. The programming language of the program for drawing the device topology diagram can be Java or C++.

[0062] When designing and drawing the equipment topology diagram of a 5G MIMO frequency-shifted dual-path system, a different graphic mark can be set for each device, and a number can be set for each device. In the equipment topology diagram, the graphic mark, number and installation location of each device are displayed, as well as the length of the RF cable between each two devices.

[0063] Optionally, the above technical solution further includes: determining devices on a preset communication link according to a device topology diagram.

[0064] Optionally, the above technical solution further includes: determining the remote machine associated with each device on the preset communication link according to the device topology diagram.

[0065] The device topology diagram can more intuitively determine the devices on the preset communication link and more intuitively determine the remote machine associated with each device on the preset communication link, which is more efficient.

[0066] The present invention is described by taking a 5G MIMO frequency-shifted dual-path system for a supermarket as an example. As shown in FIG2 , the 5G MIMO frequency-shifted dual-path system includes 1 near-end machine, 7 couplers, 3 power splitters, and 10 remote machines, wherein the 7 couplers are respectively marked as a first coupler, a second coupler, a third coupler, a fourth coupler, a fifth coupler, a sixth coupler, and a seventh coupler; the 3 power splitters are all two-power splitters, respectively marked as a first two-power splitter, a second two-power splitter, and a third two-power splitter; the 10 remote machines are respectively marked as a first remote machine, a second remote machine, a third remote machine, a fourth remote machine, a fifth remote machine, a sixth remote machine, a seventh remote machine, an eighth remote machine, a ninth remote machine, and a tenth remote machine. The MIMO frequency-shifted two-way system has a total of 10 communication links, namely, the communication links between the near-end machine and the first remote machine, the second remote machine, the third remote machine, the fourth remote machine, the fifth remote machine, the sixth remote machine, the seventh remote machine, the eighth remote machine, the ninth remote machine and the tenth remote machine, respectively, wherein a radio frequency base station is used as a signal source.

[0067] Among them, the preset communication link is any one of the communication links between the proximal machine and the first remote machine, the second remote machine, the third remote machine, the fourth remote machine, the fifth remote machine, the sixth remote machine, the seventh remote machine, the eighth remote machine, the ninth remote machine and the tenth remote machine.

[0068] Among them, the equipment in the communication link between the proximal machine and the first remote machine includes the proximal machine, the first coupler, the second coupler, the third coupler and the first remote machine connected in sequence through the radio frequency cable; the equipment in the communication link between the proximal machine and the second remote machine includes the proximal machine, the first coupler, the second coupler, the third coupler, the first two-power splitter, the sixth coupler and the second remote machine connected in sequence through the radio frequency cable. The equipment in each communication link will not be described in sequence here.

[0069] The communication link between the near-end machine and the first remote machine is taken as the preset communication link. The preset communication link includes 5 devices, the first device is the near-end machine, the second device is the first coupler, the third device is the second coupler, the fourth device is the third coupler, and the fifth device is the first remote machine. At this time, N=5, and the values ​​of n are: 2, 3, 4 and 5. Among them, the devices associated with the first coupler include: the first remote machine, the second remote machine, the third remote machine, the fourth remote machine, the fifth remote machine, The sixth remote machine, the seventh remote machine, the eighth remote machine, the ninth remote machine and the tenth remote machine, the devices associated with the second coupler include: the first remote machine, the second remote machine, the third remote machine, the fourth remote machine, the fifth remote machine, the sixth remote machine, the seventh remote machine, the eighth remote machine and the ninth remote machine, the devices associated with the third coupler include: the first remote machine, the second remote machine, the third remote machine, the fourth remote machine, the fifth remote machine, the sixth remote machine, the seventh remote machine, the eighth remote machine and the ninth remote machine.

[0070] The remote devices associated with the through port of the first coupler include: the tenth remote device, and the remote devices associated with the coupling port of the first coupler include: the first remote device, the second remote device, the third remote device, the fourth remote device, the fifth remote device, the sixth remote device, the seventh remote device, the eighth remote device and the ninth remote device.

[0071] In the above embodiments, although the steps are numbered S1, S2, etc., these are only specific embodiments given by the present invention. Those skilled in the art may adjust the execution order of S1, S2, etc. according to actual conditions, which is also within the scope of protection of the present invention. It can be understood that in some embodiments, some or all of the above embodiments may be included.

[0072] As shown in FIG3 , an operation monitoring system 200 of a 5G MIMO frequency-shifted two-way system according to an embodiment of the present invention includes a communication link status determination module 201 and a device operation status determination module 202 ;

[0073] The communication link status determination module 201 is configured to determine the status of a preset communication link in the 5G MIMO frequency-shifted two-way system based on an actual input power value and an expected ideal input power value of a remote device of the preset communication link, wherein the preset communication link is a communication link between any near-end device and any remote device in the 5G MIMO frequency-shifted two-way system;

[0074] The device operating status determination module 202 is used to: when the status of the preset communication link is abnormal, determine the operating status of the device based on the actual input power value and the expected ideal input power value of each remote machine associated with any device on the preset communication link, until the operating status of each device on the preset communication link is determined.

[0075] Optionally, the above technical solution further includes a drawing module, which is used to draw a device topology diagram of the 5G MIMO frequency-shifted dual-path system.

[0076] Optionally, the above technical solution further includes a device determination module, which is used to determine the devices on the preset communication link according to the device topology map.

[0077] Optionally, the above technical solution further includes a remote machine determination module, which is used to determine each remote machine associated with each device on the preset communication link according to the device topology map.

[0078] It should be noted that the beneficial effects of the operation monitoring system 200 for a 5G MIMO frequency-shifted dual-path system provided in the above embodiment are the same as the beneficial effects of the operation monitoring method for the above 5G MIMO frequency-shifted dual-path system, which will not be described in detail here. In addition, when implementing its functions, the system provided in the above embodiment is only illustrated by the division of the above-mentioned functional modules. In actual applications, the above-mentioned functions can be assigned to different functional modules as needed, that is, the system can be divided into different functional modules according to actual conditions to complete all or part of the functions described above. In addition, the system and method embodiments provided in the above embodiment belong to the same concept. The specific implementation process is detailed in the method embodiment, which will not be described in detail here.

[0079] As shown in FIG4 , a computer device 300 according to an embodiment of the present invention includes a processor 320 coupled to a memory 310. The memory 310 stores at least one computer program 330. The at least one computer program 330 is loaded and executed by the processor 320 to enable the computer device 300 to implement any of the aforementioned methods for monitoring the operation of a 5G MIMO frequency-shifted two-path system. Specifically,

[0080] The computer device 300 may vary significantly due to different configurations or performance, and may include one or more processors 320 (Central Processing Units, CPUs) and one or more memories 310, wherein the one or more memories 310 store at least one computer program 330, which is loaded and executed by the one or more processors 320 to enable the computer device 300 to implement any of the 5G MIMO frequency-shifted dual-path system operation monitoring methods provided in the above embodiments. Of course, the computer device 300 may also have components such as a wired or wireless network interface, a keyboard, and an input / output interface for input and output. The computer device 300 may also include other components for implementing device functions, which will not be described in detail here.

[0081] A computer-readable storage medium according to an embodiment of the present invention stores at least one computer program, and the at least one computer program is loaded and executed by a processor so that the computer implements any of the above-mentioned methods for monitoring the operation of a 5G MIMO frequency-shifted dual-path system.

[0082] Alternatively, the computer-readable storage medium may be a read-only memory (ROM), a random access memory (RAM), a compact disc (CD-ROM), a magnetic tape, a floppy disk, an optical data storage device, or the like.

[0083] In an exemplary embodiment, a computer program product or computer program is also provided, comprising computer instructions stored in a computer-readable storage medium. A processor of a computer device reads the computer instructions from the computer-readable storage medium and executes the computer instructions, causing the computer device to perform any of the aforementioned methods for monitoring the operation of a 5G MIMO frequency-shifted two-way system.

[0084] It should be noted that the terms "first," "second," and the like in the specification and claims of this application are used to distinguish similar objects and to define a specific order or precedence. Where appropriate, the order used for similar objects may be interchanged, such that the embodiments of the present application described herein can be implemented in an order other than the order shown or described.

[0085] Those skilled in the art will appreciate that the present invention may be implemented as a system, method, or computer program product. Therefore, the present disclosure may be implemented in the following forms: entirely in hardware, entirely in software (including firmware, resident software, microcode, etc.), or in a combination of hardware and software, generally referred to herein as a "circuit," "module," or "system." Furthermore, in some embodiments, the present invention may be implemented in the form of a computer program product embodied in one or more computer-readable media containing computer-readable program code.

[0086] Any combination of one or more computer-readable media can be used. A computer-readable medium can be a computer-readable signal medium or a computer-readable storage medium. A computer-readable storage medium can be, for example, but not limited to, an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, device or component, or any combination thereof. More specific examples (a non-exhaustive list) of computer-readable storage media include: an electrical connection with one or more wires, a portable computer disk, a hard disk, a random access memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disk read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination thereof. In this document, a computer-readable storage medium can be any tangible medium containing or storing a program that can be used by or in conjunction with an instruction execution system, device or device.

[0087] Although the embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and are not to be construed as limitations on the present invention. A person skilled in the art may change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A method for monitoring the operation of a 5G MIMO frequency-shifted dual-path system, characterized in that: include: Determine the state of a preset communication link according to an actual input power value of a remote machine of a preset communication link in a 5G MIMO frequency shift two-way system and an expected ideal input power value, wherein the preset communication link is: a communication link between any near-end machine and any remote machine in the 5G MIMO frequency shift two-way system; When the state of the preset communication link is abnormal, the operating state of the device is determined according to the actual input power value and the expected ideal input power value of each remote machine associated with any device on the preset communication link, until the operating state of each device on the preset communication link is determined.

2. The operation monitoring method of a 5G MIMO frequency-shifted dual-path system according to claim 1, characterized in that: Also includes: Draw a device topology diagram for the 5G MIMO frequency-shifted two-way system.

3. The operation monitoring method of a 5G MIMO frequency-shifted dual-path system according to claim 2, characterized in that: Also includes: According to the device topology diagram, devices on the preset communication link are determined.

4. The operation monitoring method of a 5G MIMO frequency-shifted dual-path system according to claim 3, characterized in that: Also includes: According to the device topology diagram, the remote machine associated with each device on the preset communication link is determined.

5. An operation monitoring system for a 5G MIMO frequency-shifted dual-path system, characterized in that: It includes a communication link status determination module and a device operation status determination module; The communication link state determination module is used to determine the state of the preset communication link according to the actual input power value and the expected ideal input power value of the remote machine of the preset communication link in the 5G MIMO frequency shift two-way system, wherein the preset communication link is: a communication link between any near-end machine and any remote machine in the 5G MIMO frequency shift two-way system; The device operation status determination module is used to: when the state of the preset communication link is abnormal, determine the actual input power of each remote device associated with any device on the preset communication link. The operating state of the device is determined according to the expected ideal input power value and the expected ideal input power value, until the operating state of each device on the preset communication link is determined.

6. The operation monitoring system of a 5G MIMO frequency-shifted dual-path system according to claim 5, characterized in that: It also includes a drawing module, which is used to draw a device topology diagram of the 5G MIMO frequency-shifted dual-path system.

7. The operation monitoring system of a 5G MIMO frequency-shifted dual-path system according to claim 6, characterized in that: It also includes a device determination module, which is used to determine the device on the preset communication link according to the device topology map.

8. The operation monitoring system of a 5G MIMO frequency-shifted dual-path system according to claim 7, characterized in that: It also includes a remote machine determination module, which is used to determine the remote machine associated with each device on the preset communication link according to the device topology map.

9. A computer device, characterized in that: The computer device includes a processor, the processor is coupled to a memory, at least one computer program is stored in the memory, and the at least one computer program is loaded and executed by the processor so that the computer device implements an operation monitoring method for a 5G MIMO frequency-shifting dual-path system as described in any one of claims 1 to 4.

10. A computer-readable storage medium, characterized in that: At least one computer program is stored in the computer-readable storage medium, and the at least one computer program is loaded and executed by the processor so that the computer implements the operation monitoring method of a 5G MIMO frequency-shifting dual-path system as described in any one of claims 1 to 4.

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