CN117336772A - 5G communication base station monitoring system based on image recognition - Google Patents
5G communication base station monitoring system based on image recognition Download PDFInfo
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Abstract
The invention belongs to the technical field of image recognition and relates to a 5G communication base station monitoring system based on image recognition.
Description
Technical Field
The invention belongs to the technical field of image recognition, and relates to a 5G communication base station monitoring system based on image recognition.
Background
With the continuous development of mobile communication technology, the 5G communication technology is widely applied and popularized, and a 5G communication base station is used as a core component of a 5G network to provide high-speed stable wireless communication service, so that the state of the 5G communication base station needs to be monitored and analyzed in real time in order to ensure the normal operation and service quality of the 5G communication base station.
The AAU device, namely the active antenna processing unit, is novel equipment introduced by a 5G network framework, is one of devices widely used for deployment of 5G communication base stations at present, mainly fuses RRU and antennas together, realizes high efficiency and flexibility of 5G network signal transmission, and is indispensable for monitoring and analyzing the running safety risk of the AAU device in the process of monitoring and analyzing the state of the 5G communication base stations.
The rapid development of technology makes the operation security risk monitoring of each AAU device in the current 5G communication base station abandon the high risk and the strong subjectivity of the traditional manual inspection mode, and more commonly adopts advanced technical means, such as a camera or unmanned aerial vehicle and other devices to acquire and perform relevant analysis on the image data of the AAU device on the communication tower in the 5G communication base station, although the method has certain advancement, the method still has limitations, and the method is specifically characterized in that: 1. at present, the operation safety risk monitoring analysis of the AAU equipment in the 5G communication base station mainly depends on two aspects of appearance damage and operation temperature, and the consideration factors are single and shallow, so that other possible risk influence factors are ignored or the analysis aiming at other possible risk influence factors is not careful enough, for example, whether the signal coverage of the AAU equipment is interfered, whether the signal coverage is fully covered or not and the like, the monitoring force is insufficient and the consideration is not complete, the reliability, the accuracy and the scientificity of the safety operation risk analysis result of the AAU equipment are lacked, and the risk of operation accidents of the 5G communication base station can be increased.
2. At present, the problem of the fixing firmness of AAU equipment is considered in some technologies for the operation safety risk monitoring of AAU equipment in a 5G communication base station, the aaU equipment is comprehensively evaluated by monitoring the apparent vibration condition and displacement condition of the AAU equipment in a certain period, although the analysis is more careful, the monitoring analysis is performed under normal weather conditions, various influencing factors of various weather on the fixing firmness of the AAU equipment are ignored, the weather conditions are more tested for the firmness condition of the equipment aiming at weather conditions such as strong wind, heavy rain, heavy snow and the like, and the prior art is more targeted for the monitoring analysis, so that the conventional AAU equipment fixing firmness monitoring analysis has one-sided performance, is not beneficial to the safe operation risk evaluation of the AAU equipment, and cannot guarantee to provide more reliable decision basis for the maintenance of the AAU equipment.
Disclosure of Invention
In view of this, in order to solve the problems set forth in the background art, a 5G communication base station monitoring system based on image recognition is now proposed.
The aim of the invention can be achieved by the following technical scheme: the invention provides a 5G communication base station monitoring system based on image recognition, which comprises: and the antenna unit image acquisition module is used for acquiring images of the antenna units distributed on each communication tower in the target 5G communication base station and acquiring image monitoring information of the antenna units on each communication tower.
And the communication tower antenna signal coverage quality evaluation module is used for acquiring the signal coverage area of each antenna unit on each communication tower according to the image monitoring information of each antenna unit on each communication tower, so as to analyze the antenna signal coverage quality evaluation coefficients of each communication tower.
The communication tower antenna operation health state evaluation module is used for acquiring an appearance evaluation index and an operation temperature abnormality index according to image monitoring information of each antenna unit on each communication tower, and further analyzing an antenna operation health state evaluation coefficient of each communication tower.
And the antenna unit video acquisition module is used for respectively carrying out video acquisition on each antenna unit arranged on each communication tower in the target 5G communication base station in strong wind weather, heavy rain weather, heavy snow weather and normal weather to acquire video monitoring information of each antenna unit on each communication tower.
And the communication tower antenna structure stability performance evaluation module is used for analyzing video monitoring information of each antenna unit on each communication tower and analyzing antenna structure stability performance evaluation coefficients of each communication tower.
And the communication tower antenna operation risk early warning module is used for comprehensively analyzing the safety risk coefficient of each communication tower based on the operation of the antenna unit, screening out each risk communication tower in the target 5G communication base station and timely feeding back to base station staff.
And the cloud database is used for storing the standard surface area, standard length and reasonable signal coverage area range of each type of antenna unit set by the equipment manufacturer.
Preferably, the image monitoring information includes a layout monitoring parameter, an appearance monitoring parameter, and an operation monitoring parameter.
The layout monitoring parameters comprise layout height, layout coordinates, antenna direction angle degrees and antenna downtilt angle degrees.
The appearance monitoring parameters comprise a cover shell label, the lengths of cracks of the cover shell, the total area of an apparent uneven area and the total area of an abnormal dirt area, and the distance between each plug on the interface panel and a socket corresponding to the plug.
The operational monitoring parameters include apparent temperature values of the housing at each monitoring point in time.
Preferably, the method for obtaining the signal coverage area of each antenna unit on each communication tower includes: panoramic scanning is carried out on a target 5G communication base station through electronic camera equipment carried on an unmanned aerial vehicle, construction positions of communication towers in the target 5G communication base station are obtained, a three-dimensional model of the target 5G communication base station is built, corresponding antenna units on the communication towers of the target 5G communication base station are drawn according to layout heights and layout coordinates of the antenna units on the communication towers in layout monitoring parameters, and further according to the antenna units on the communication towers in the layout monitoring parametersAntenna direction angle degree and antenna downtilt angle degreeWherein->Indicating the number of each communication tower>，/>Indicating the number of each antenna element->Drawing signal coverage areas of antenna units on each communication tower on a target 5G communication base station three-dimensional model, and further obtaining signal coverage distances of the antenna units on each communication tower>And beam vertical half power angle degree +.>Extracting the layout height of each antenna unit on each communication tower in the layout monitoring parameters>Calculating the signal coverage area of each antenna unit on each communication tower>The calculation formula is as follows: />，/>Is a correction factor for the signal coverage area of the preset antenna unit.
Preferably, the analyzing the antenna signal coverage quality evaluation coefficient of each communication tower includes: according to each antenna list on each communication tower in the appearance monitoring parametersThe shell label of each element identifies the model of each antenna unit on each communication tower, extracts the reasonable signal coverage area range of each antenna unit on each communication tower set by equipment manufacturer from the cloud database, and sets the signal coverage area reference area of each antenna unit on each communication towerBy the formula->Obtaining an antenna signal coverage capacity evaluation index of each communication tower, wherein->Is natural constant (18)>And (5) reasonably deviating a threshold value for the area of a signal coverage area of the preset antenna unit.
According to the signal coverage areas of the antenna units on each communication tower drawn by the three-dimensional model of the target 5G communication base station, respectively obtaining the total area of the signal coverage overlapping areas among the antenna units on each communication towerTotal area of signal coverage overlapping area between each communication tower and its adjacent communication tower>Analyzing and obtaining antenna signal coverage abnormality evaluation index of each communication tower>。
From the formulaObtaining antenna signal coverage quality evaluation coefficients of each communication tower, wherein +.>Antenna signal coverage capability evaluation index and antenna signal coverage of preset communication towers respectivelyThe coverage abnormality assessment index corresponds to a weight duty cycle.
Preferably, the calculation formula of the antenna signal coverage abnormality evaluation index of each communication tower is as follows:
。
preferably, the analyzing the antenna operation health state evaluation coefficient of each communication tower includes: extracting the lengths of cracks and the total area of apparent uneven areas of the covers of all antenna units on all communication towers in appearance monitoring parametersAnd total area of abnormal dirty region->Screening the maximum value of the crack length of the cover of each antenna unit on each communication tower, which is marked as +.>Extracting standard surface area of each antenna unit on each communication tower set by equipment manufacturer from cloud database>And standard length->The damage degree factors of the covers of the antenna units on each communication tower are analyzed, and the calculation formula is as follows: />。
Extracting the distance between each plug on the interface panel of each antenna unit on each communication tower and the corresponding socket thereof in the appearance monitoring parameters, and analyzing to obtain the plug looseness degree factor of each antenna unit on each communication towerAnd then by the formulaAnd obtaining the appearance evaluation index of each antenna unit on each communication tower.
Extracting apparent temperature values of the housing at each monitoring time point of each antenna unit on each communication tower in operation monitoring parametersWherein->Number indicating each monitoring time point, +.>The operation temperature abnormality index of each antenna unit on each communication tower is analyzed, and the calculation formula is as follows: />Wherein->Is->First->Apparent temperature maximum of the individual antenna element housings, +.>For a preset reasonable threshold value of the operating temperature of the antenna unit, < ->To monitor the total number of time points.
The antenna operation health state evaluation coefficients of all communication towers are analyzed, and the calculation formula is as follows:。
preferably, the video monitoring information includes maximum lateral displacement, maximum longitudinal displacement and vibration amplitude and duration of each vibration of each antenna unit on each communication tower in a set time period in strong wind weather, heavy rain weather, heavy snow weather and normal weather respectively.
Preferably, the analyzing the video monitoring information of each antenna unit on each communication tower includes: extracting the maximum transverse displacement, the maximum longitudinal displacement and the vibration amplitude and the duration of each vibration of each antenna unit on each communication tower in the set time period under the strong wind weather in the video monitoring information, and respectively recording asWherein->Number indicating each vibration>By the formula->Obtaining structural displacement resistance index of each antenna unit on each communication tower in strong wind weather, wherein +.>The reasonable transverse displacement threshold and the reasonable longitudinal displacement threshold of the antenna unit are respectively preset.
From the formulaObtaining structural vibration resistance index of each antenna unit on each communication tower in strong wind weather, wherein +.>Is a reasonable vibration amplitude threshold value of the preset antenna unit, < ->The total number of vibrations.
Analyzing the structural stability index of each antenna unit on each communication tower in strong wind weather, wherein the calculation formula is as follows:wherein->Respectively the preset structural displacement resistance index and the corresponding weight ratio of the structural vibration resistance index of the antenna unit in strong wind weather.
The structural stability indexes of each antenna unit on each communication tower in heavy rain, heavy snow and normal weather are respectively recorded as。
Preferably, the analysis of the antenna structure stability performance evaluation coefficient of each communication tower includes the following calculation formula:wherein->The corresponding weight ratio of the structural stability indexes of the preset antenna units in strong wind weather, heavy rain weather, heavy snow weather and normal weather is respectively set.
Preferably, the comprehensive analysis is based on a security risk coefficient of the operation of the antenna unit, and a calculation formula is as follows:。
compared with the prior art, the invention has the following beneficial effects: (1) According to the invention, the image and video acquisition is carried out on each antenna unit distributed on each communication tower in the target 5G communication base station, each communication tower in the target 5G communication base station is taken as an integral unit, the relevant parameter information of each antenna unit on each communication tower is analyzed step by step, the complex process of monitoring and analyzing the antenna units one by one is avoided, the rapid position determination of the antenna units of the subsequent base station is facilitated, and convenience is provided for the maintenance and management of the subsequent base station.
(2) According to the method, the signal coverage areas of the antenna units on the communication towers are drawn on the target 5G communication base station three-dimensional model through the image monitoring information of the antenna units on the communication towers, the problems of whether the signal coverage of the antenna units on the communication towers is interfered and whether the signal coverage is repeatedly covered are carefully analyzed, the antenna signal coverage quality evaluation coefficients of the communication towers are analyzed according to the antenna signal coverage capability evaluation index and the antenna signal coverage abnormality evaluation index, the defect of the prior art in the aspect is overcome, and reliable and accurate data support is provided for the safety risk analysis of the follow-up communication towers based on the operation of the antenna units.
(3) According to the invention, the structural stability index of each antenna unit on each communication tower in strong wind weather, heavy rain weather, heavy snow weather and normal weather is analyzed, the antenna structural stability performance evaluation coefficient of each communication tower is comprehensively evaluated, the fixed stability performance of the antenna unit is considered based on the two-layer depth of equipment displacement and equipment vibration under various weather conditions, more comprehensive and accurate antenna structural stability performance evaluation is provided, and the safety and stability of the operation of the target 5G communication base station are improved.
(4) According to the invention, from three angles of the antenna signal coverage quality evaluation coefficient, the antenna operation health state evaluation coefficient and the antenna structure stability performance evaluation coefficient of each communication tower, the safety risk coefficient of each communication tower based on the operation of the antenna unit is comprehensively analyzed, so that the comprehensive evaluation of the operation safety risk of each antenna unit in the target 5G communication base station is realized, and further, a more reliable decision basis is provided for the subsequent operation and maintenance of the antenna unit in the target 5G communication base station.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a system according to the present invention.
Fig. 2 is a schematic structural diagram of an antenna unit according to the present invention.
Fig. 3 is a schematic structural diagram of a signal coverage area of an antenna unit according to the present invention.
Reference numerals: 1. an antenna direction angle; 2. beam vertical half power angle; 3. antenna downtilt; 4. the antenna unit is arranged at a height; 5. antenna element signal coverage distance; 6. the antenna element signals radiate the main lobe.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, the invention provides a 5G communication base station monitoring system based on image recognition, and specific modules are distributed as follows: antenna unit image acquisition module, communication tower antenna signal coverage quality evaluation module, communication tower antenna operation health state evaluation module, antenna unit video acquisition module, communication tower antenna structure stability performance evaluation module, communication tower antenna operation risk early warning module and cloud database, wherein the relation of connection between the modules is: the communication tower antenna signal coverage quality evaluation module and the communication tower antenna running health state evaluation module are connected with the antenna unit image acquisition module, the communication tower antenna structure stability performance evaluation module is connected with the antenna unit video acquisition module, the communication tower antenna signal coverage quality evaluation module, the communication tower antenna running health state evaluation module and the communication tower antenna structure stability performance evaluation module are connected with the communication tower antenna running risk early warning module, and the communication tower antenna signal coverage quality evaluation module and the communication tower antenna running health state evaluation module are respectively connected with the cloud database.
Referring to fig. 2, the antenna unit image acquisition module is configured to perform image acquisition on each antenna unit disposed on each communication tower in the target 5G communication base station, and acquire image monitoring information of each antenna unit on each communication tower.
It should be explained that the antenna unit is abbreviated as an active antenna processing unit, that is, refers to an AAU device.
According to the embodiment of the invention, the image and video acquisition is carried out on each antenna unit arranged on each communication tower in the target 5G communication base station, each communication tower in the target 5G communication base station is taken as an integral unit, the relevant parameter information of each antenna unit on each communication tower is analyzed step by step, the complicated process of monitoring and analyzing the antenna units one by one is avoided, the rapid position determination of the antenna units of the subsequent base station is facilitated, and the convenience is provided for the maintenance and management of the subsequent base station.
Specifically, the image monitoring information includes a layout monitoring parameter, an appearance monitoring parameter, and an operation monitoring parameter.
The layout monitoring parameters comprise layout height, layout coordinates, antenna direction angle degrees and antenna downtilt angle degrees.
The appearance monitoring parameters comprise a cover shell label, the lengths of cracks of the cover shell, the total area of an apparent uneven area and the total area of an abnormal dirt area, and the distance between each plug on the interface panel and a socket corresponding to the plug.
The operational monitoring parameters include apparent temperature values of the housing at each monitoring point in time.
The image monitoring information of each antenna unit on each communication tower is obtained by the following steps: the unmanned aerial vehicle carrying the electronic camera equipment and the GPS positioning system flies to the layout positions of the antenna units on the communication towers, the GPS positioning system is utilized to obtain the layout heights and the layout coordinates of the antenna units on the communication towers, the electronic camera equipment is utilized to shoot the degrees of the gradiometers arranged on the back of the housing to obtain the antenna downtilt angle degrees of the antenna units on the communication towers, the orientation direction of the electronic camera equipment is consistent with the orientation direction of the housing of the antenna units on the communication towers, and the gyroscope arranged on the electronic camera equipment is utilized to obtain the antenna orientation angle degrees of the antenna units on the communication towers.
The method comprises the steps of obtaining a shell appearance image of each antenna unit on each communication tower and an interface panel appearance image of a lower end cover by utilizing electronic camera equipment, preprocessing the images, extracting labels in the shell appearance image according to an established antenna unit label characteristic database, counting the number of pixels of each crack in the shell appearance image according to the principle of obtaining the total area of each crack length, the total area of an apparent uneven area and the total area of an abnormal dirt area of the shell, deeply explaining the obtaining method of each crack length of the shell, extracting and marking each suspected crack characteristic parameter of the preprocessed shell appearance image by adopting a wavelet transformation technology, screening each crack characteristic parameter of the shell appearance image according to a crack characteristic reasonable parameter range stored in the established database, extracting pixels where each crack characteristic parameter is located by utilizing an edge detection algorithm, connecting adjacent pixels to obtain each crack contour of the shell appearance image, counting the number of pixels of each crack in the shell, and obtaining the actual length of the shell in the shell appearance image according to a set proportion relation, thereby obtaining each crack length of each antenna unit on each communication tower.
Extracting features of the socket and the plug in the appearance image of the interface panel of the preprocessed lower end cover, matching the corresponding relation between the plug and the socket, obtaining the outer points of the socket slots and the plug line endpoints of the corresponding plugs, obtaining the reference spacing between each plug and the corresponding socket on the interface panel by using a Euclidean distance formula, obtaining the plug sleeve length of each plug by using a length measuring tool, and taking the difference between the reference spacing between each plug and the corresponding socket and the plug sleeve length of each plug as the spacing between each plug and the corresponding socket on the interface panel.
The apparent temperature value of the housing at each monitoring time point of each antenna unit on each communication tower is obtained through monitoring of an infrared thermal imager built in the unmanned aerial vehicle.
The communication tower antenna signal coverage quality evaluation module is used for acquiring the signal coverage area of each antenna unit on each communication tower according to the image monitoring information of each antenna unit, and further analyzing the antenna signal coverage quality evaluation coefficients of each communication tower.
Specifically, the method for obtaining the signal coverage area of each antenna unit on each communication tower comprises the following steps: panoramic scanning is carried out on the target 5G communication base station through electronic camera equipment carried on the unmanned aerial vehicle, construction positions of all communication towers in the target 5G communication base station are obtained, and the target 5G communication base station is constructedThe three-dimensional model is used for drawing corresponding antenna units on each communication tower of the target 5G communication base station three-dimensional model according to the layout height and layout coordinates of the antenna units on each communication tower in the layout monitoring parameters, and further according to the antenna direction angle degrees and the antenna downward inclination angle degrees of the antenna units on each communication tower in the layout monitoring parametersWherein->Indicating the number of each communication tower>，/>Indicating the number of each antenna element->Drawing signal coverage areas of antenna units on each communication tower on a three-dimensional model of a target 5G communication base station, and further obtaining signal coverage distances +_ of the antenna units on each communication tower as shown in FIG. 3>And beam vertical half power angle degree +.>Extracting the layout height of each antenna unit on each communication tower in the layout monitoring parameters>Calculating the signal coverage area of each antenna unit on each communication tower>The calculation formula is as follows: />，/>Is a correction factor for the signal coverage area of the preset antenna unit.
It should be noted that, the above-mentioned antenna direction angle refers to the angle of the direction of the main radiation power of the antenna relative to the horizontal plane, the antenna downtilt angle refers to the angle between the antenna main axis and the ground, that is, the angle between the antenna main axis and the vertical direction, where the signal coverage area of the antenna unit mainly refers to the area where the signal radiation of the antenna unit is most concentrated, that is, the main lobe of the signal radiation, and the antenna main axis refers to the central axis of the main lobe.
It should be further noted that, the signal coverage distance and the vertical half-power angle degree of the beam for each antenna unit on each communication tower are obtained by respectively using a length measuring tool and an angle measuring tool in CAD software, and actually, after the signal coverage area of each antenna unit on each communication tower is drawn in the software, the signal coverage distance and the vertical half-power angle degree of the beam for each antenna unit on each communication tower can be obtained correspondingly, where the vertical half-power angle of the beam refers to an angle range of half of the beam power relative to the peak power from the beam center, and the confirmation method includes: and finding the peak position of the main lobe in the signal coverage area, and measuring from the peak position of the main lobe to two sides until the power is reduced to half of the peak power, wherein the included angle between the two measurement points is the vertical half power angle of the wave beam.
Specifically, the analyzing the antenna signal coverage quality evaluation coefficient of each communication tower includes: identifying the model of each antenna unit on each communication tower according to the housing label of each antenna unit on each communication tower in the appearance monitoring parameters, extracting the reasonable signal coverage area range of each antenna unit on each communication tower set by equipment manufacturer from a cloud database, and setting the signal coverage area reference area of each antenna unit on each communication towerBy the formula->Obtaining the coverage capability evaluation of the antenna signals of each communication towerEstimate index of>Is natural constant (18)>And (5) reasonably deviating a threshold value for the area of a signal coverage area of the preset antenna unit.
According to the signal coverage areas of the antenna units on each communication tower drawn by the three-dimensional model of the target 5G communication base station, respectively obtaining the total area of the signal coverage overlapping areas among the antenna units on each communication towerTotal area of signal coverage overlapping area between each communication tower and its adjacent communication tower>Analyzing and obtaining antenna signal coverage abnormality evaluation index of each communication tower>。
From the formulaObtaining antenna signal coverage quality evaluation coefficients of each communication tower, wherein +.>The antenna signal coverage capability evaluation indexes of the preset communication towers are respectively corresponding to the weight duty ratio of the antenna signal coverage abnormality evaluation indexes.
Specifically, the calculation formula of the antenna signal coverage abnormality evaluation index of each communication tower is as follows:
。
according to the embodiment of the invention, the signal coverage area of each antenna unit on each communication tower is drawn on the target 5G communication base station three-dimensional model through the image monitoring information of each antenna unit on each communication tower, the problems of whether the signal coverage of each antenna unit on each communication tower is interfered and whether the signal coverage is repeatedly covered are carefully analyzed, the antenna signal coverage quality evaluation coefficients of each communication tower are analyzed according to the antenna signal coverage capability evaluation index and the antenna signal coverage abnormality evaluation index, the defect of the prior art in the aspect is overcome, and reliable and accurate data support is provided for the safety risk analysis of the subsequent communication towers based on the operation of the antenna units.
The communication tower antenna operation health state evaluation module is used for acquiring an appearance evaluation index and an operation temperature abnormality index of each antenna unit on each communication tower according to image monitoring information of each antenna unit, and further analyzing an antenna operation health state evaluation coefficient of each communication tower.
Specifically, the analyzing the antenna operation health state evaluation coefficient of each communication tower includes: extracting the lengths of cracks and the total area of apparent uneven areas of the covers of all antenna units on all communication towers in appearance monitoring parametersAnd total area of abnormal dirty region->Screening the maximum value of the crack length of the cover of each antenna unit on each communication tower, which is marked as +.>Extracting standard surface area of each antenna unit on each communication tower set by equipment manufacturer from cloud database>And standard length->The damage degree factors of the covers of the antenna units on each communication tower are analyzed, and the calculation formula is as follows: />。
Extracting the connection of each antenna unit on each communication tower in the appearance monitoring parametersSpacing between each plug and its corresponding socket on the mouth panelWherein->Indicating the number of each plug on the interface panel, +.>Analyzing to obtain plug looseness degree factor of each antenna unit on each communication tower>And is further defined by the formula->And obtaining the appearance evaluation index of each antenna unit on each communication tower.
It should be noted that, the calculation formula of the plug looseness degree factor of each antenna unit on each communication tower is as follows:wherein->Is a preset reasonable spacing threshold value of the plug on the interface panel and the corresponding socket.
Extracting apparent temperature values of the housing at each monitoring time point of each antenna unit on each communication tower in operation monitoring parametersWherein->Number indicating each monitoring time point, +.>The operation temperature abnormality index of each antenna unit on each communication tower is analyzed, and the calculation formula is as follows: />Wherein->Is->First->Apparent temperature maximum of the individual antenna element housings, +.>For a preset reasonable threshold value of the operating temperature of the antenna unit, < ->To monitor the total number of time points.
The antenna operation health state evaluation coefficients of all communication towers are analyzed, and the calculation formula is as follows:。
the antenna unit video acquisition module is used for carrying out video acquisition on each antenna unit arranged on each communication tower in the target 5G communication base station in strong wind weather, heavy rain weather, heavy snow weather and normal weather respectively to acquire video monitoring information of each antenna unit on each communication tower.
Specifically, the video monitoring information comprises maximum lateral displacement, maximum longitudinal displacement and vibration amplitude and duration of each vibration of each antenna unit on each communication tower in set time periods in strong wind weather, heavy rain weather, heavy snow weather and normal weather respectively.
The device for carrying out video acquisition on each antenna unit arranged on each communication tower in the target 5G communication base station is a high-speed camera which is arranged on an antenna unit holding pole and can capture the antenna units in all directions, the high-speed camera is in wireless connection with a base station monitoring center, a recording instruction is sent by the base station monitoring center to command the high-speed camera to record, the related weather conditions are also monitored through a weather instrument arranged at the top end of the communication tower, data are transmitted to the base station monitoring center, for example, strong wind weather is weather with wind speed of more than 10m/s and wind strength of more than 5 levels, heavy rain weather is weather with rainfall of 50 millimeters or more per second and weather with duration of 30 minutes or more, heavy snow weather is weather with snowfall of 10 centimeters or more per hour and weather with duration of 2 hours or more, and normal weather is weather except the conditions.
The method for acquiring the video monitoring information of each antenna unit on each communication tower includes the steps of extracting a monitoring video of each antenna unit on each communication tower in a strong wind weather set time period, recording the monitoring video for the same angle continuously in the set time period, acquiring each continuous frame image in the monitoring video, preprocessing each continuous frame image, determining the right end point positions of an upper end cover and a lower end cover of each antenna unit in each continuous frame image, acquiring position coordinates of each continuous frame image, obtaining each transverse displacement in the set time period according to the transverse coordinate difference value of each continuous frame image and the right end point position of the upper end cover of each antenna unit in the adjacent frame image, screening the transverse maximum displacement of the upper end cover of each antenna unit in the set time period, performing the same treatment on the transverse coordinate of the right end point position of the lower end cover of each antenna unit to obtain the transverse maximum displacement of the antenna unit in the strong wind weather set time period, and calculating the average value of the transverse maximum displacement of each antenna unit on each communication tower to obtain the longitudinal maximum displacement of each antenna unit in the strong wind weather set time period.
The method comprises the steps of obtaining continuous frame starting point images and end point images of each vibration of each antenna unit on each communication tower in a strong wind weather set time period by comparing pixel differences between each continuous frame and adjacent frame images, taking the difference value of the continuous frame starting point images and the end point images of each vibration in time as the duration of each vibration, and obtaining the vibration amplitude of each vibration of each antenna unit on each communication tower in the strong wind weather set time period by using the pixel difference amplitude of the adjacent image between the continuous frame starting point and the end point of each vibration.
And obtaining the maximum transverse displacement, the maximum longitudinal displacement, the vibration amplitude and the duration of each vibration of each antenna unit on each communication tower in a set time period in heavy rain weather, heavy snow weather and normal weather respectively according to the method for obtaining the relevant video monitoring information of each antenna unit on each communication tower in strong wind weather.
The communication tower antenna structure stability performance evaluation module is used for analyzing video monitoring information of each antenna unit on each communication tower and analyzing antenna structure stability performance evaluation coefficients of each communication tower.
Specifically, the analyzing the video monitoring information of each antenna unit on each communication tower includes: extracting the maximum transverse displacement, the maximum longitudinal displacement and the vibration amplitude and the duration of each vibration of each antenna unit on each communication tower in the set time period under the strong wind weather in the video monitoring information, and respectively recording asWherein->Number indicating each vibration>By the formula->Obtaining structural displacement resistance index of each antenna unit on each communication tower in strong wind weather, wherein +.>The reasonable transverse displacement threshold and the reasonable longitudinal displacement threshold of the antenna unit are respectively preset.
From the formulaObtaining structural vibration resistance index of each antenna unit on each communication tower in strong wind weather, wherein +.>Is a reasonable vibration amplitude threshold value of the preset antenna unit, < ->The total number of vibrations.
Analyzing the structural stability index of each antenna unit on each communication tower in strong wind weather, wherein the calculation formula is as follows:wherein->Respectively the preset structural displacement resistance index and the corresponding weight ratio of the structural vibration resistance index of the antenna unit in strong wind weather.
The structural stability indexes of each antenna unit on each communication tower in heavy rain, heavy snow and normal weather are respectively recorded as。
Specifically, the evaluation coefficient of the stability performance of the antenna structure of each communication tower is analyzed, and the calculation formula is as follows:wherein->The corresponding weight ratio of the structural stability indexes of the preset antenna units in strong wind weather, heavy rain weather, heavy snow weather and normal weather is respectively set.
According to the embodiment of the invention, the structural stability index of each antenna unit on each communication tower in strong wind weather, heavy rain weather, heavy snow weather and normal weather is analyzed, the antenna structural stability performance evaluation coefficient of each communication tower is comprehensively evaluated, the fixed stability performance of the antenna unit is considered based on the two-layer depth of equipment displacement and equipment vibration under various weather conditions, more comprehensive and accurate antenna structural stability performance evaluation is provided, and the safety and stability of the operation of the target 5G communication base station are improved.
The communication tower antenna operation risk early warning module is used for comprehensively analyzing safety risk coefficients of all communication towers based on the operation of the antenna units, screening out all risk communication towers in the target 5G communication base station and timely feeding back to base station staff.
Specifically, the comprehensive analysis of the security risk coefficient of each communication tower based on the operation of the antenna unit comprises the following calculation formula:。
it should be noted that, the screening out each risk communication tower in the target 5G communication base station means that the security risk coefficient of each communication tower running based on the antenna unit is compared with the reasonable security risk coefficient threshold value of the preset communication tower running based on the antenna unit, if the security risk coefficient of a certain communication tower running based on the antenna unit is greater than or equal to the reasonable security risk coefficient threshold value of the preset communication tower running based on the antenna unit, the communication tower is recorded as a risk communication tower, red light flash display is performed on a base station monitoring center display screen, relevant monitoring data is generated to report, each risk antenna unit on the risk communication tower is identified, and the risk antenna unit is fed back to a base station worker.
According to the embodiment of the invention, from three angles of the antenna signal coverage quality evaluation coefficient, the antenna operation health state evaluation coefficient and the antenna structure stability performance evaluation coefficient of each communication tower, the safety risk coefficient of each communication tower based on the operation of the antenna unit is comprehensively analyzed, so that the comprehensive evaluation of the operation safety risk of each antenna unit in the target 5G communication base station is realized, and further, a more reliable decision basis is provided for the subsequent operation and maintenance of the antenna unit in the target 5G communication base station.
The cloud database is used for storing standard surface areas, standard lengths and reasonable signal coverage area ranges of various antenna units set by equipment manufacturers.
The foregoing is merely illustrative and explanatory of the principles of this invention, as various modifications and additions may be made to the specific embodiments described, or similar arrangements may be substituted by those skilled in the art, without departing from the principles of this invention or beyond the scope of this invention as defined in the claims.
Claims (10)
1. A5G communication base station monitoring system based on image recognition is characterized in that: the system comprises:
the antenna unit image acquisition module is used for acquiring images of all antenna units distributed on all communication towers in the target 5G communication base station and acquiring image monitoring information of all antenna units on all communication towers;
the communication tower antenna signal coverage quality evaluation module is used for acquiring the signal coverage area of each antenna unit on each communication tower according to the image monitoring information of the antenna unit on each communication tower, so as to analyze the antenna signal coverage quality evaluation coefficients of each communication tower;
the communication tower antenna operation health state evaluation module is used for acquiring an appearance evaluation index and an operation temperature abnormality index according to image monitoring information of each antenna unit on each communication tower, so as to analyze an antenna operation health state evaluation coefficient of each communication tower;
the antenna unit video acquisition module is used for carrying out video acquisition on each antenna unit arranged on each communication tower in the target 5G communication base station in strong wind weather, heavy rain weather, heavy snow weather and normal weather respectively to acquire video monitoring information of each antenna unit on each communication tower;
the communication tower antenna structure stability performance evaluation module is used for analyzing video monitoring information of each antenna unit on each communication tower and analyzing antenna structure stability performance evaluation coefficients of each communication tower;
the communication tower antenna operation risk early warning module is used for comprehensively analyzing the security risk coefficient of each communication tower based on the operation of the antenna unit, screening out each risk communication tower in the target 5G communication base station and timely feeding back to base station staff;
and the cloud database is used for storing the standard surface area, standard length and reasonable signal coverage area range of each type of antenna unit set by the equipment manufacturer.
2. The image recognition-based 5G communication base station monitoring system of claim 1, wherein: the image monitoring information comprises layout monitoring parameters, appearance monitoring parameters and operation monitoring parameters;
the layout monitoring parameters comprise layout height, layout coordinates, antenna direction angle degrees and antenna downtilt angle degrees;
the appearance monitoring parameters comprise a shell label, the lengths of cracks of the shell, the total area of an apparent uneven area and the total area of an abnormal dirt area, and the distance between each plug on the interface panel and a socket corresponding to the plug;
the operational monitoring parameters include apparent temperature values of the housing at each monitoring point in time.
3. The image recognition-based 5G communication base station monitoring system of claim 2, wherein: the method for acquiring the signal coverage area of each antenna unit on each communication tower comprises the following steps: panoramic scanning is carried out on a target 5G communication base station through electronic camera equipment carried on an unmanned aerial vehicle, construction positions of all communication towers in the target 5G communication base station are obtained, a three-dimensional model of the target 5G communication base station is built, corresponding antenna units on each communication tower of the three-dimensional model of the target 5G communication base station are drawn according to the layout height and layout coordinates of each antenna unit on each communication tower in layout monitoring parameters, and then the antenna direction angle degrees and the antenna downward inclination angle degrees of each antenna unit on each communication tower in the layout monitoring parameters are further calculated according to the antenna direction angle degrees and the antenna downward inclination angle degrees of each antenna unit on each communication tower in the layout monitoring parametersWherein->Indicating the number of each communication tower>，/>Indicating the number of each antenna element->Drawing signal coverage areas of antenna units on each communication tower on a target 5G communication base station three-dimensional model, and further obtaining signal coverage distances of the antenna units on each communication tower>And beam vertical half power angle degree +.>Extracting the layout height of each antenna unit on each communication tower in the layout monitoring parameters>Calculating the signal coverage area of each antenna unit on each communication tower>The calculation formula is as follows:，/>is a correction factor for the signal coverage area of the preset antenna unit.
4. A 5G communication base station monitoring system based on image recognition according to claim 3, wherein: the analyzing the antenna signal coverage quality evaluation coefficient of each communication tower comprises the following steps: identifying the model of each antenna unit on each communication tower according to the housing label of each antenna unit on each communication tower in the appearance monitoring parameters, extracting the reasonable signal coverage area range of each antenna unit on each communication tower set by equipment manufacturer from a cloud database, and setting the signal coverage area reference area of each antenna unit on each communication towerBy the formula->Obtaining an antenna signal coverage capacity evaluation index of each communication tower, wherein->Is natural constant (18)>A reasonable deviation threshold value for the area of a signal coverage area of a preset antenna unit;
according to the signal coverage areas of the antenna units on each communication tower drawn by the three-dimensional model of the target 5G communication base station, respectively obtaining the total area of the signal coverage overlapping areas among the antenna units on each communication towerTotal area of signal coverage overlapping area between each communication tower and its adjacent communication tower>Analyzing and obtaining antenna signal coverage abnormality evaluation index of each communication tower>；
From the formulaObtaining antenna signal coverage quality evaluation coefficients of each communication tower, whereinThe antenna signal coverage capability evaluation indexes of the preset communication towers are respectively corresponding to the weight duty ratio of the antenna signal coverage abnormality evaluation indexes.
5. An image recognition based 5 as defined in claim 4G communication base station monitored control system, its characterized in that: the calculation formula of the antenna signal coverage abnormality evaluation index of each communication tower is as follows:。
6. the image recognition-based 5G communication base station monitoring system of claim 4, wherein: the analyzing the antenna operation health state evaluation coefficient of each communication tower comprises the following steps: extracting the lengths of cracks and the total area of apparent uneven areas of the covers of all antenna units on all communication towers in appearance monitoring parametersAnd total area of abnormal dirty region->Screening the maximum value of the crack length of the cover of each antenna unit on each communication tower, which is marked as +.>Extracting standard surface area of each antenna unit on each communication tower set by equipment manufacturer from cloud database>And standard length->The damage degree factors of the covers of the antenna units on each communication tower are analyzed, and the calculation formula is as follows: />；
Extracting the distance between each plug on the interface panel of each antenna unit on each communication tower and the corresponding socket thereof in the appearance monitoring parameters, and analyzing to obtain the plug looseness degree factor of each antenna unit on each communication towerAnd is further defined by the formula->Obtaining appearance evaluation indexes of all antenna units on all communication towers;
extracting apparent temperature values of the housing at each monitoring time point of each antenna unit on each communication tower in operation monitoring parametersWherein->Number indicating each monitoring time point, +.>The operation temperature abnormality index of each antenna unit on each communication tower is analyzed, and the calculation formula is as follows: />Wherein->Is->First->Apparent temperature maximum of the individual antenna element housings, +.>For a preset reasonable threshold value of the operating temperature of the antenna unit, < ->To monitor the total number of time points;
the antenna operation health state evaluation coefficients of all communication towers are analyzed, and the calculation formula is as follows:。
7. the image recognition-based 5G communication base station monitoring system of claim 6, wherein: the video monitoring information comprises maximum transverse displacement, maximum longitudinal displacement, vibration amplitude and duration of each vibration of each antenna unit on each communication tower in set time periods in strong wind weather, heavy rain weather, heavy snow weather and normal weather.
8. The image recognition-based 5G communication base station monitoring system of claim 7, wherein: the analyzing the video monitoring information of each antenna unit on each communication tower comprises the following steps: extracting the maximum transverse displacement, the maximum longitudinal displacement and the vibration amplitude and the duration of each vibration of each antenna unit on each communication tower in the set time period under the strong wind weather in the video monitoring information, and respectively recording asWherein->Number indicating each vibration>By the formula->Obtaining structural displacement resistance index of each antenna unit on each communication tower in strong wind weather, wherein +.>The reasonable transverse displacement threshold value and the reasonable longitudinal displacement threshold value of the preset antenna units are respectively set;
from the formulaObtaining structural vibration resistance index of each antenna unit on each communication tower in strong wind weather, wherein +.>Is a reasonable vibration amplitude threshold value of the preset antenna unit, < ->The total vibration times;
analyzing the structural stability index of each antenna unit on each communication tower in strong wind weather, wherein the calculation formula is as follows:wherein->Respectively setting the corresponding weight ratio of the structural displacement resistance index and the structural vibration resistance index of the preset antenna unit in strong wind weather;
the structural stability indexes of each antenna unit on each communication tower in heavy rain, heavy snow and normal weather are respectively recorded as。
9. The image recognition-based 5G communication base station monitoring system of claim 8, wherein: the calculation formula of the antenna structure stability performance evaluation coefficient of each communication tower is:wherein->The corresponding weight ratio of the structural stability indexes of the preset antenna units in strong wind weather, heavy rain weather, heavy snow weather and normal weather is respectively set.
10. The image recognition-based 5G communication base station monitoring system of claim 9, wherein: the comprehensive analysis of the safety risk coefficient of each communication tower based on the operation of the antenna comprises the following calculation formula:。
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| CN110688904A (en) * | 2019-08-30 | 2020-01-14 | 中通服建设有限公司 | Base station antenna parameter surveying method and device based on 5G unmanned aerial vehicle |
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