CN110149654B - Method and device for determining faults of base station antenna feeder system - Google Patents

Method and device for determining faults of base station antenna feeder system Download PDF

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CN110149654B
CN110149654B CN201910387900.9A CN201910387900A CN110149654B CN 110149654 B CN110149654 B CN 110149654B CN 201910387900 A CN201910387900 A CN 201910387900A CN 110149654 B CN110149654 B CN 110149654B
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base station
antenna feeder
determining
feeder system
signal intensity
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CN110149654A (en
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欧明
原振升
林登峰
李民
肖慧桥
石钰
柯小玲
李�昊
李庆伟
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China United Network Communications Group Co Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • H04W24/04Arrangements for maintaining operational condition
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • H04W24/08Testing, supervising or monitoring using real traffic

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Abstract

The application discloses a method and a device for determining faults of an antenna feeder system of a base station, relates to the technical field of communication, and is used for accurately judging whether the antenna feeder system of the base station is abnormal or not. The method comprises the following steps: determining a first signal strength distribution of the coverage area of the base station according to a plurality of measurement reports of the base station, wherein the first signal strength distribution comprises signal strengths corresponding to a plurality of grids of the coverage area of the base station; substituting the first signal intensity distribution and a preset signal intensity distribution into a preset formula to obtain a first numerical value corresponding to the base station; and if the first value is larger than a first threshold, sending abnormal information of the base station antenna feeder system, wherein the first threshold is determined according to a plurality of second signal strength distributions and the preset formula. The embodiment of the application is applied to monitoring whether the base station antenna feeder system is abnormal or not.

Description

Method and device for determining faults of base station antenna feeder system
Technical Field
The invention relates to the technical field of communication, in particular to a method and a device for determining faults of a base station antenna feeder system.
Background
Public praise scenes are network coverage areas which are focused by operators, relevant public praise scene coverage network elements are brought into key monitoring, but at present, the network monitoring can only monitor whether the network elements are in failure, the standing-wave ratio of the antenna feeder, the background noise of the antenna feeder and other indexes are abnormal, and hidden failures or abnormal conditions of the antenna feeder, such as weakening of output power caused by declination angle change of the antenna feeder, direction angle change and antenna feeder aging, cannot be monitored. When the coverage network element antenna feeder has a hidden fault or is abnormal, the perception of the public praise scene user is influenced.
At present, the methods for determining hidden faults or abnormalities of public praise scene coverage network element antenna feeders in the industry mainly include: 1. checking the antenna feeder at the station: the method mainly checks whether the direction angle, the downward inclination angle and the output power at the antenna of the antenna feeder are normal or not by checking whether the parameter data of the antenna feeder are consistent with the parameter data recorded by the system or not by a worker on each covering network element, but the inspection of the antenna feeder on the station requires a large amount of personnel and is high in cost. 2. Public praise scene drive test: and testing the public praise scene coverage condition and the coverage condition of each coverage network element through network detection software. However, public praise scene drive test requires a large amount of personnel and is high in cost, the drive test is mainly used for monitoring indicators such as public praise scene coverage rate, and due to the fact that a wireless network adopts cellular coverage, drive test analysis statistics cannot be directly counted.
Therefore, how to accurately judge whether the antenna feeder system of the base station has a fault at a low cost becomes an urgent problem to be solved.
Disclosure of Invention
The embodiment of the application provides a method and a device for determining antenna feeder faults, which are used for accurately determining whether an antenna feeder system of a base station has faults or not at a low cost.
In order to achieve the above purpose, the embodiment of the present application adopts the following technical solutions:
in a first aspect, a method for determining a fault of a base station antenna feeder system is provided, where the method includes: determining a first signal strength distribution of the coverage area of the base station according to a plurality of measurement reports of the base station, wherein the first signal strength distribution comprises signal strengths corresponding to a plurality of grids of the coverage area of the base station; substituting the first signal intensity distribution and a preset signal intensity distribution into a preset formula to obtain a first numerical value corresponding to the base station; and if the first numerical value is larger than a first threshold, sending abnormal information of the base station antenna feeder system, wherein the first threshold is determined according to a plurality of second signal intensity distributions and the preset formula.
In a second aspect, a device for determining a fault of a base station antenna feeder system is provided, and the device comprises a determining unit, a calculating unit and a sending unit; the determining unit is configured to determine a first signal strength distribution of the coverage area of the base station according to a plurality of measurement reports of the base station, where the first signal strength distribution includes signal strengths corresponding to a plurality of grids of the coverage area of the base station; the calculation unit is configured to bring the first signal strength distribution and a preset signal strength distribution into a preset formula to obtain a first numerical value corresponding to the base station; the sending unit is configured to send the abnormal information of the base station antenna feeder system if the first value is greater than a first threshold, where the first threshold is determined according to a plurality of second signal strength distributions and the preset formula.
In a third aspect, there is provided a computer readable storage medium storing one or more programs, the one or more programs comprising instructions, which when executed by a computer, cause the computer to perform the method of determining a failure of a base station antenna feeder system according to the first aspect.
In a fourth aspect, there is provided a computer program product containing instructions which, when run on a computer, cause the computer to perform the method of determining a failure of a base station antenna feeder system according to the first aspect.
In a fifth aspect, an apparatus for determining a fault of a base station antenna feeder system is provided, including: a processor and a communication interface; the communication interface is used for communication between the device for determining the fault of the base station antenna feeder system and other equipment or a network; the processor is configured to run a computer program or instructions to cause the apparatus for determining a fault of a base station antenna feeder system to perform the method for determining a fault of a base station antenna feeder system according to the first aspect.
According to the method and the device for determining the fault of the base station antenna feeder system, the signal intensity distribution of the coverage area of the base station is determined according to the multiple MRs of the base station, whether the difference value of the signal intensity distribution and the standard signal intensity distribution exceeds a preset threshold or not is calculated according to a preset formula, and if the difference value exceeds the preset threshold, the base station antenna feeder system is determined to be abnormal. This application has reached the purpose whether normal of monitoring basic station antenna feeder system operation through detecting this basic station coverage area's signal strength distribution change, consequently need not fortune dimension personnel and has gone up the station many times and detect, consequently practiced thrift the human cost.
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Fig. 1 is a schematic flowchart of a method for determining a fault of a base station antenna feeder system according to an embodiment of the present application;
fig. 2 is a schematic diagram of a coverage area structure of a base station according to an embodiment of the present application;
fig. 3 is a first schematic structural diagram of a device for determining a fault of a base station antenna feeder system according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a device for determining a fault of a base station antenna feeder system according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
In the description of the present application, "at least one" means one or more, and "a plurality" means two or more, unless otherwise specified. The terms "first", "second", and the like do not necessarily limit the number and execution order, and the terms "first", "second", and the like do not necessarily limit the difference.
In this embodiment, the base station may be a base station (BTS) in a global system for mobile communication (GSM), a Code Division Multiple Access (CDMA), a base station (node B) in a Wideband Code Division Multiple Access (WCDMA), an eNB, an internet of things (IoT) or an eNB in a narrowband base-internet-of-things (NB-s), a base station in a future 5G mobile communication network or a future evolved Public Land Mobile Network (PLMN), which is not limited in this embodiment.
Terminals are used to provide voice and/or data connectivity services to users. The terminal may be referred to by different names, such as User Equipment (UE), access terminal, terminal unit, terminal station, mobile station, remote terminal, mobile device, wireless communication device, vehicular user equipment, terminal agent or terminal device, and the like. Optionally, the terminal may be various handheld devices, vehicle-mounted devices, wearable devices, and computers with communication functions, which is not limited in this embodiment of the present application. For example, the handheld device may be a smartphone. The in-vehicle device may be an in-vehicle navigation system. The wearable device may be a smart bracelet. The computer may be a Personal Digital Assistant (PDA) computer, a tablet computer, and a laptop computer.
An embodiment of the present application provides a method for determining a fault of a base station antenna feeder system, and as shown in fig. 1, the method may include S101 to S103:
s101, determining a first signal strength distribution of a coverage area of a base station according to a plurality of measurement reports of the base station.
Wherein the first signal strength distribution comprises signal strengths corresponding to a plurality of grids of a coverage area of the base station.
According to the embodiment of the application, the coverage signal strength of each grid in the coverage area of the base station can be obtained according to the MR uploaded by a plurality of terminals connected with the base station, namely, a two-dimensional table of signal strength data of the coverage network element cell can be obtained, and the signal strength value a of each grid in the coverage area of the base station is confirmed ij And then obtaining a first signal strength distribution A of the coverage area of the base station.
Preferably, the signal strength data of the coverage area of the base station may be collected according to a first preset time, for example, the first preset time may be one month, and in addition, the signal strength data of the coverage area of the base station should be collected again after severe weather such as typhoon and heavy rain, that is, another two-dimensional table of the signal strength data, that is, the signal strength detection distribution a of the base station in the coverage area, may be collected. The first signal strength distribution a may be:
Figure BDA0002055466480000041
the embodiment of the present application further provides a method for rasterizing a coverage area of a base station, including: accurately drawing a geographical area frame of the area according to the geographical position and the area range of the coverage area of the base station; the coverage area is subjected to rasterization division, wherein the rasterization division can be selected according to the environment of the coverage scene of the base station, and each grid can be a square with a side length of 20 to 50 meters as an example.
And S102, substituting the first signal intensity distribution and the preset signal intensity distribution into a preset formula to obtain a first numerical value corresponding to the base station.
It should be noted that, in the embodiment of the present application, the preset signal intensity distribution is a standard signal intensity distribution.
Preferably, an embodiment of the present application provides a method for determining a standard signal strength distribution, including: and obtaining the signal intensity of each grid in the coverage area of the base station according to the plurality of MRs of the base station after network optimization, namely obtaining a two-dimensional table of signal intensity data covering the network element cell, confirming the signal intensity value of each grid in the coverage area of the base station, and further obtaining the signal intensity standard signal intensity distribution B of the coverage area of the base station. Wherein, the standard signal intensity distribution B may be:
Figure BDA0002055466480000051
it should be noted that, because the signal strengths of the multiple grids of the coverage area of the base station are different in size, the signal strength of each grid of the coverage area of the base station may be screened according to a threshold, for example, the threshold may be RSRP ≧ 100dBm, that is, each data in the signal strength standard distribution B is greater than or equal to-100 dBm. In the embodiment of the present application, when a resource is newly added to a base station in a coverage area or network optimization is performed again, it is necessary to re-determine the coverage signal strength standard distribution B of the base station in the coverage area.
For example, as shown in fig. 2, the coverage area of a certain base station is the area shown in fig. 2, and the coverage area of the cell is 5 × 6 grids, but since the signal strengths of the grids at the outermost layer are less than-100 dBm, the number of values of the data of the first signal strength distribution and the standard signal strength distribution in the coverage area of the base station is 3 × 4.
It can be understood that the number of data of the first signal strength distribution is consistent with the number of data of the second signal strength distribution in the embodiment of the present application.
Optionally, in this embodiment of the present application, the coverage signal strength standard distribution B may be checked by combining the antenna feeder parameters of the base station to perform simulated coverage data or the drive test data with optimized scene, so as to ensure the accuracy of the standard distribution B, where the main parameters of the antenna feeder of the base station may include an antenna hanging height, an antenna direction angle, an antenna downward inclination angle, an antenna output power, and the like.
After the coverage area of the base station is determined, the signal intensity access matrix range of the base station can be locked through the identification of the base station and the size of the rectangle formed by the grids of the coverage area, that is, when the signal intensity of the base station is subsequently accessed, the signal intensity access can be performed at the planned mark position without determining the access position of the signal intensity again, so that operation and maintenance personnel can test the signal intensity size of the coverage area of the base station quickly.
After the signal intensity standard distribution B of the base station in the coverage area is determined, at least one signal intensity distribution of the base station in the coverage area within the second preset time can be collected, mean square error calculation is performed on the signal intensity standard distribution B and the signal intensity standard distribution B, and the reasonable range of the signal intensity distribution of the base station in the coverage area is determined.
For example, the second preset time may be a week, that is, monday to sunday, and then the signal strength distribution of the base station in the coverage area is determined according to the peak time period of the base station traffic and the idle time period of the base station traffic every day, then 14 sets of detection data, B1, B2, B3, B4, B5, B6, B7, B8, B9, B10, B11, B12, B13, B14, may be obtained.
The 14 sets of data can be normalized to the signal strengthThe distribution B is calculated by mean square error according to the formula one, then 14 mean square error results can be obtained: σ 1, σ 2, σ 3, σ 4, σ 5, σ 6, σ 7, σ 8, σ 9, σ 10, σ 11, σ 12, σ 13, σ 14, wherein the first formula may be:
Figure BDA0002055466480000061
wherein σ is the mean square error of the plurality of signal intensity distributions and the signal intensity standard distribution, a ij Is data in Signal Strength Standard distribution B, a' ij The data is the data of any one of the signal intensity distributions, N is the number of signal intensities in the signal intensity distribution, N, i and j are integers, N is not less than 1, i is not less than 0 and not more than N, and j is not less than 0 and not more than N.
In this embodiment, a maximum value σ max of the 14 mean square error results may be taken as a threshold of the signal strength distribution and the signal strength standard distribution a of the base station in the coverage area, and an average value of the 14 mean square error results may also be taken as the threshold, which is not limited in this embodiment. Substituting the signal intensity standard distribution B and the first signal intensity distribution A of the base station into a formula I can obtain the mean square error sigma B of the signal intensity standard distribution B and the first signal intensity distribution A, and thus the first numerical value can be obtained.
S103, if the first value is larger than the first threshold, sending abnormal information of the base station antenna feeder system.
If sigma B is less than or equal to the threshold value, the antenna feed system of the base station is in a normal state; and if the sigma B is larger than the threshold value, the antenna feed system of the base station is in an abnormal state.
Optionally, in this embodiment of the present application, when the mean square deviation σ B of the signal strength standard distribution a and the signal strength detection distribution B is greater than the threshold, multiple sets of signal strength detection distributions B1, …, and Bn of the base station may be taken, where n is greater than or equal to 2, and the mean square deviation between the n sets of data and the standard distribution B is calculated to obtain σ B1, …, and σ Bn.
If the n variances are all larger than sigma max and the antenna feeder parameters of the base station are abnormal, informing operation and maintenance personnel to repair the antenna feeder system of the base station; and if the antenna feed parameters of the base station are normal, re-determining the standard signal intensity distribution B according to a plurality of measurement reports of the base station, and re-establishing the threshold values of the signal intensity distribution of the base station in the coverage area and the reasonability of the signal intensity standard distribution B according to the method for determining the reasonable range of the signal intensity distribution of the coverage area of the base station.
The method comprises the steps that the signal intensity value of each grid of a coverage area of a base station is determined through a plurality of MRs of the base station, and then the distribution of the signal intensity to be detected of the coverage area is determined; substituting the intensity distribution of the signal to be detected and the intensity distribution of the standard signal into a preset formula, and calculating to obtain a first numerical value of the intensity distribution of the signal to be detected and the intensity distribution of the standard signal; if the first value is larger than the threshold value, sending an abnormal alarm of the base station antenna feeder system; according to the embodiment of the application, whether the antenna feed system of the base station is abnormal can be accurately judged by judging whether the calculated values of the intensity distribution of the signals to be detected and the intensity distribution of the standard signals exceed the threshold, so that maintenance personnel do not need to go to the site for detecting the base station for many times, and the labor cost is reduced.
In the embodiment of the present application, the determination device for the fault of the base station antenna feeder system may perform the division of the functional modules or the functional units according to the above method example, for example, each functional module or functional unit may be divided corresponding to each function, or two or more functions may be integrated into one processing module. The integrated module may be implemented in a form of hardware, or may be implemented in a form of a software functional module or a functional unit. The division of the modules or units in the embodiment of the present application is schematic, and is only a logic function division, and there may be another division manner in actual implementation.
The embodiment of the present application provides a device for determining a fault of a base station antenna feeder system, as shown in fig. 3, the device 300 includes a determining unit 310, a calculating unit 320, and a sending unit 330;
a determining unit 310 is configured to determine a first signal strength distribution of a coverage area of a base station according to a plurality of measurement reports of the base station, where the first signal strength distribution includes signal strengths corresponding to a plurality of grids of the coverage area of the base station.
Optionally, the determining unit 310 is further configured to: and if the antenna feeder system of the base station is abnormal and the antenna feeder parameters of the base station are normal, re-determining the second signal intensity distribution according to the plurality of measurement reports of the base station.
Optionally, the determining unit 310 is specifically configured to: acquiring a plurality of second signal intensity distributions of the base station according to a preset period; calculating according to the plurality of second signal intensity distributions and a preset formula to obtain at least one calculation result, wherein the preset formula is
Figure BDA0002055466480000071
a ij 、a′ ij The signal intensities of any two second signal intensity distributions are obtained, sigma is a calculation result, N is the number of the signal intensities in the second signal intensity distributions, N, i and j are integers, N is more than or equal to 1, i is more than or equal to 0 and less than or equal to N, and j is more than or equal to 0 and less than or equal to N; a first threshold is determined based on at least one of the calculations.
The calculating unit 320 is configured to bring the first signal strength distribution and the preset signal strength distribution into a preset formula to obtain a first value corresponding to the base station.
A sending unit 330, configured to send abnormal information of the base station antenna feeder system if the first value is greater than a first threshold, where the first threshold is determined according to multiple second signal strength distributions and a preset formula.
Optionally, the determining unit 310 is further configured to: and if the antenna feeder system of the base station is abnormal and the antenna feeder parameters of the base station are abnormal, sending alarm information, wherein the alarm information is used for informing operation and maintenance personnel to repair the antenna feeder system of the base station.
Fig. 4 shows a schematic structural diagram of still another possible structure of the apparatus for determining a fault of a base station antenna feeder system in the above embodiment. The device includes: a processor 402 and a communication interface 403. The processor 402 is used to control and manage the actions of the device, e.g., to perform the steps performed by the determination unit 310 described above, and/or other processes for performing the techniques described herein. The communication interface 403 is used to support communication of the apparatus with other network entities, for example, to perform the steps performed by the processing unit 320 described above.
Optionally, the apparatus may further comprise a memory 401, the memory 401 being adapted to store program codes and data of the apparatus.
The processor 402 may implement or execute various illustrative logical blocks, units, and circuits described in connection with the disclosure herein. The processor may be a central processing unit, general purpose processor, digital signal processor, application specific integrated circuit, field programmable gate array or other programmable logic device, transistor logic device, hardware component, or any combination thereof. Which may implement or perform the various illustrative logical blocks, units, and circuits described in connection with the disclosure. The processor may also be a combination of computing functions, e.g., comprising one or more microprocessors, DSPs, and microprocessors, among others.
Memory 401 may include volatile memory, such as random access memory; the memory may also include non-volatile memory, such as read-only memory, flash memory, a hard disk, or a solid state disk; the memory may also comprise a combination of memories of the kind described above.
The apparatus may also include a bus 404, and the bus 404 may be an extended industry standard architecture
(Extended Industry Standard Architecture, EISA) bus, and the like. The bus 404 may be divided into an address bus, a data bus, a control bus, and the like. For ease of illustration, only one thick line is shown in FIG. 4, but this does not indicate only one bus or one type of bus.
It is clear to those skilled in the art from the foregoing description of the embodiments that, for convenience and simplicity of description, the foregoing division of the functional units is merely used as an example, and in practical applications, the above function distribution may be performed by different functional units according to needs, that is, the internal structure of the device may be divided into different functional units to perform all or part of the above described functions. For the specific working processes of the system, the apparatus and the unit described above, reference may be made to the corresponding processes in the foregoing method embodiments, and details are not described here again.
The embodiment of the present application further provides a computer-readable storage medium, where instructions are stored in the computer-readable storage medium, and when the instructions are executed by a computer, the computer executes each step in the method flow shown in the above method embodiment.
The computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination thereof. More specific examples (a non-exhaustive list) of the computer readable storage medium would include the following: an electrical connection having one or more wires, a portable computer diskette, and a hard disk. Random Access Memory (RAM), Read-Only Memory (ROM), Erasable Programmable Read-Only Memory (EPROM), registers, a hard disk, an optical fiber, a portable Compact disk Read-Only Memory (CD-ROM), an optical storage device, a magnetic storage device, or any other form of computer-readable storage medium, in any suitable combination, or as appropriate in the art. An exemplary storage medium is coupled to the processor such the processor can read information from, and write information to, the storage medium. Of course, the storage medium may also be integral to the processor. The processor and the storage medium may reside in an Application Specific Integrated Circuit (ASIC). In embodiments of the present application, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
Embodiments of the present invention provide a computer program product comprising instructions which, when run on a computer, cause the computer to perform a method of determining a fault in a base station antenna feeder system as described in figure 1.
Since the apparatus for determining a fault of a base station antenna feeder system, the computer-readable storage medium, and the computer program product in the embodiments of the present invention may be applied to the method described above, reference may also be made to the method embodiments for obtaining technical effects, and details of the embodiments of the present invention are not repeated herein.
The above description is only an embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions within the technical scope of the present disclosure should be covered by the scope of the present application.

Claims (8)

1. A method for determining faults of a base station antenna feeder system is characterized by comprising the following steps:
determining a first signal strength distribution of the base station coverage area according to a plurality of measurement reports of a plurality of terminals connected with the base station, wherein the first signal strength distribution comprises signal strengths corresponding to a plurality of grids of the base station coverage area;
substituting the first signal intensity distribution and a preset signal intensity distribution into a preset formula to obtain a first numerical value corresponding to the base station;
if the first value is larger than a first threshold, sending abnormal information of the base station antenna feeder system, wherein the first threshold is determined according to a plurality of second signal intensity distributions and the preset formula;
determining the first threshold according to the plurality of second signal strength distributions and the preset formula, including:
acquiring a plurality of second signal intensity distributions of the base station according to a preset period;
calculating according to the plurality of second signal intensity distributions and the preset formula to obtain at least one calculation result, wherein the preset formula is
Figure FDA0003640209080000011
σ is the result of the calculation, a ij 、a′ ij The signal intensities of any two second signal intensity distributions are obtained, N is the number of the signal intensities in the second signal intensity distributions, N, i and j are integers, N is more than or equal to 1, i is more than or equal to 0 and less than or equal to N, and j is more than or equal to 0 and less than or equal to N;
determining the first threshold based on the at least one calculation.
2. The method for determining the fault of the antenna feeder system of the base station according to claim 1, wherein the method further comprises:
and if the antenna feeder system of the base station is abnormal and the antenna feeder parameters of the base station are normal, re-determining the second signal intensity distribution according to the plurality of measurement reports of the base station.
3. The method for determining the fault of the antenna feeder system of the base station according to claim 1, wherein the method further comprises:
and if the antenna feeder system of the base station is abnormal and the antenna feeder parameters of the base station are abnormal, sending alarm information, wherein the alarm information is used for informing operation and maintenance personnel to repair the antenna feeder system of the base station.
4. The device for determining the fault of the base station antenna feed system is characterized by comprising a determining unit, a calculating unit and a sending unit;
the determining unit is configured to determine a first signal strength distribution of the coverage area of the base station according to a plurality of measurement reports of the base station, where the first signal strength distribution includes signal strengths corresponding to a plurality of grids of the coverage area of the base station;
the calculation unit is configured to bring the first signal strength distribution and a preset signal strength distribution into a preset formula to obtain a first numerical value corresponding to the base station;
the sending unit is configured to send the abnormal information of the base station antenna feeder system if the first value is greater than a first threshold, where the first threshold is determined according to a plurality of second signal strength distributions and the preset formula;
the determining unit is specifically configured to:
obtaining the plurality of second signal intensity distributions of the base station according to a preset period;
calculating according to the plurality of second signal intensity distributions and the preset formula to obtain at least one calculation result, wherein the preset formula is
Figure FDA0003640209080000021
a ij 、a′ ij The signal intensities of any two second signal intensity distributions are obtained, sigma is the calculation result, N is the number of the signal intensities in the second signal intensity distributions, N, i and j are integers, N is more than or equal to 1, i is more than or equal to 0 and less than or equal to N, and j is more than or equal to 0 and less than or equal to N;
determining the first threshold based on the at least one calculation.
5. The apparatus for determining the fault of the antenna feeder system of the base station according to claim 4, wherein the determining unit is further configured to:
and if the antenna feeder system of the base station is abnormal and the antenna feeder parameters of the base station are normal, re-determining the second signal intensity distribution according to the plurality of measurement reports of the base station.
6. The apparatus for determining the fault of the antenna feeder system of the base station according to claim 4, wherein the determining unit is further configured to:
and if the antenna feeder system of the base station is abnormal and the antenna feeder parameters of the base station are abnormal, sending alarm information, wherein the alarm information is used for informing operation and maintenance personnel to repair the antenna feeder system of the base station.
7. A computer-readable storage medium storing one or more programs, the one or more programs comprising instructions, which when executed by a computer, cause the computer to perform the method of determining a failure of a base station antenna feed system of any of claims 1-3.
8. A device for determining faults of a base station antenna feeder system is characterized by comprising: a processor and a communication interface; the communication interface is used for communication between the device for determining the fault of the base station antenna feeder system and other equipment or networks; the processor is used for running a computer program or instructions to make the device for determining the fault of the base station antenna feeder system execute the method for determining the fault of the base station antenna feeder system according to any one of claims 1 to 3.
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