KR20210016757A - System and method for managing base station antenna information - Google Patents

Abstract

Disclosed are a base station antenna information management system to increase working convenience and a method thereof. According to one embodiment of the present invention, the base station antenna information management system uses a mobile terminal including a camera and a posture sensor to manage antenna information about a base station antenna. The base station antenna information management system comprises: an antenna selection unit checking the location of the mobile terminal to select a target antenna located within a predetermined distance from the mobile terminal; an antenna information generation unit using at least one image captured by the camera of the mobile terminal and including a scene in which the target antenna is captured and a sensing value sensed by the posture sensor of the mobile terminal at the time of the photographing to estimate at least one of a swing angle, a tilt angle, and an altitude of the target antenna with respect to a reference direction and generating antenna information including the corresponding estimated value; and an antenna information storage unit storing the generated antenna information in association with identification information of the target antenna.

Description

Base station antenna information management system and method {System and method for managing base station antenna information}

The present invention relates to a base station antenna information management system and method, and more particularly, to a base station antenna information management system and method for managing antenna direction information of a base station constituting a mobile communication network such as a 5G network. .

Recently, as mobile communication networks for various mobile communication technologies have been built, such as commercialization of 5G mobile communication through 4G mobile communication technologies LTE (Long Term Evolution) and LTE-A (Long Term Evolution-Advanced), Interest and requests for a technology that manages and manages antenna information of a base station are increasing.

However, as disclosed in Korean Laid-Open Patent Publication No. 10-2014-0038183, since the existing technology calculates the direction angle of the antenna in consideration of the radio wave environment and the location of the base station, it can only be applied to the network design stage, and the already installed antenna There is a problem in that antenna information such as an actual swing angle and a tilt angle of, or whether or not a change in the corresponding angle occurs, cannot be determined.

In addition, the method in which the operator directly measures the swing angle and tilt angle of the target antenna using a compass and inclinometer at the site and inputs the measured value to a predetermined computer or server is the time required for the actualization of the base station antenna information. There is a problem in that it increases the cost and decreases the work efficiency. Moreover, considering that it is often difficult for workers to access the antenna installation site, the number of currently installed LTE (Long Term Evolution) base stations is more than 200,000, and the number of 5G base stations that have recently started commercialization is exceeding 30,000. There is a problem that is difficult or impossible to apply practically.

The technical problem to be solved by the present invention is that it is possible to simplify, improve efficiency, and improve operation convenience, and to reduce the cost of network management and maintenance, as well as to reduce the accuracy and reliability of antenna information to 5G base stations. It is to provide a base station antenna information management system and method that are improved to an applicable level.

A base station antenna information management system according to an embodiment of the present invention is a system that manages antenna information about a base station antenna using a mobile terminal having a camera and an attitude sensor, and checks the location of the mobile terminal from the mobile terminal. An antenna selection unit for selecting a target antenna located within a predetermined distance; A reference direction using at least one image captured by the camera of the mobile terminal, in which a scene including the target antenna is captured, and a sensing value sensed by the attitude sensor of the mobile terminal at a corresponding shooting time An antenna information generator for estimating at least one of a swing angle, a tilt angle, and an altitude of the target antenna with respect to and generating antenna information including a corresponding estimated value; And an antenna information storage unit for storing the generated antenna information in association with the identification information of the target antenna.

In an embodiment, the antenna selection unit includes: a terminal location check unit that receives location information from the mobile terminal and checks the location of the mobile terminal; An antenna list transmitter for transmitting an antenna list indicating at least one antenna located within a predetermined distance from the mobile terminal to the mobile terminal; And a target antenna determination unit configured to receive selection information indicating an antenna selected from the antenna list from the mobile terminal and determine an antenna corresponding to the selection information as the target antenna.

In one embodiment, the antenna information generator is configured to receive at least one image in which a scene including the target antenna is photographed from the mobile terminal, and a sensing value sensed by an attitude sensor of the mobile terminal at a corresponding shooting time. Data collection unit; An estimate value calculator configured to calculate an estimate value for at least one of a swing angle, a tilt angle, and an altitude of the target antenna by applying a pose estimation algorithm to the received image and the sensing value; And a first correction unit configured to calculate a corrected estimated value by identifying a building photographed together with the target antenna and appearing in the image, and correcting the estimated value based on direction information or height information of the identified building.

In one embodiment, the first correction unit is configured to obtain direction information of the identified building by using map information or satellite image information on the surrounding topography of the mobile terminal.

In one embodiment, the data collection unit is configured to receive a plurality of images in which a scene including the target antenna is captured from the mobile terminal, and a plurality of sensing values respectively corresponding to the plurality of images, and the antenna information The generation unit further includes a second correction unit for calculating a final estimated value based on a plurality of corrected estimate values calculated by the first correction unit as the plurality of images and the plurality of sensing values are received.

In one embodiment, the second correction unit is a weighted average method of calculating a weighted average of the plurality of corrected estimates, or the plurality of corrected estimates, respectively, as variables of an optimization function. It is configured to calculate the final estimated value using a multivariate optimization method of inputting and calculating a result value.

In one embodiment, the system further includes an antenna information transmitter configured to transmit the generated antenna information to the mobile terminal to be displayed on the mobile terminal.

In one embodiment, the antenna information storage unit is configured to store the generated antenna information when a request for storage of corresponding antenna information is received from a mobile terminal that has received the generated antenna information.

A method of managing antenna information of a base station according to an embodiment of the present invention is a method of managing antenna information about an antenna of a base station using a computer system interworking with a mobile terminal having a camera and an attitude sensor, wherein the system Determining a location and selecting a target antenna located within a predetermined distance from the mobile terminal; The system uses at least one image in which a scene including the target antenna is photographed as at least one image photographed by the camera of the mobile terminal, and a sensing value sensed by the attitude sensor of the mobile terminal at a corresponding photographing time. Estimating at least one of a swing angle, a tilt angle, and an altitude of the target antenna with respect to a reference direction, and generating antenna information including a corresponding estimated value; And storing the generated antenna information in association with the identification information of the target antenna.

In an embodiment, the selecting of the target antenna may include: the system receiving location information from the mobile terminal to check the location of the mobile terminal; Transmitting, by the system, an antenna list indicating at least one antenna located within a predetermined distance from the mobile terminal to the mobile terminal; And receiving, by the system, selection information indicating an antenna selected from the antenna list from the mobile terminal, and determining an antenna corresponding to the selection information as the target antenna.

In one embodiment, the generating of the antenna information comprises at least one image in which a scene including the target antenna is captured by the system from the mobile terminal, and sensed by a posture sensor of the mobile terminal at a corresponding shooting time. Receiving the detected sensing value; Calculating, by the system, an estimated value for at least one of a swing angle, a tilt angle, and an altitude of the target antenna by applying a pose estimation algorithm to the received image and sensing values; And calculating, by the system, a building that is photographed together with the target antenna and appears in the image, and corrects the estimated value based on direction information or height information of the identified building.

In an embodiment, the calculating of the corrected estimated value includes obtaining direction information of the identified building using map information or satellite image information about the surrounding topography of the mobile terminal.

In one embodiment, the receiving comprises receiving a plurality of images in which a scene including the target antenna is captured from the mobile terminal, and a plurality of sensing values respectively corresponding to the plurality of images, The generating of the antenna information further includes calculating a final estimated value based on a plurality of corrected estimate values calculated in the step of calculating the corrected estimate value as the plurality of images and the plurality of sensing values are received. do.

In one embodiment, the calculating of the final estimate may include a weighted average method of calculating a weighted average of the plurality of corrected estimates, or an optimization function of each of the plurality of corrected estimates. And calculating the final estimated value using a multivariate optimization method of calculating a result value by inputting it as a variable of.

In one embodiment, the method further includes, after the step of generating the antenna information, the system transmitting the generated antenna information to the mobile terminal to be displayed on the mobile terminal.

In one embodiment, the storing includes storing the generated antenna information when a request to store the corresponding antenna information is received from a mobile terminal that has received the generated antenna information.

Embodiments according to the present invention may be implemented using a computer program recorded on a recording medium as a computer program for executing the above-described operation or method through a computer system.

According to the present invention, by estimating the information of the base station antenna using a mobile terminal such as a smart phone, it is possible to simplify and increase the efficiency and improve the operation convenience of the base station antenna information current operation, and reduce the management and maintenance cost of the mobile communication network. can do.

In addition, by correcting the estimated values for the swing angle and the tilt angle of the base station antenna by using multi-images, the accuracy and reliability of antenna information can be improved to a level applicable to a 5G base station.

Furthermore, those of ordinary skill in the art to which the present invention pertains will clearly understand from the following description that various embodiments according to the present invention can solve various technical problems not mentioned above.

1 is a diagram showing an example of a communication network environment to which the present invention is applied.
2 is a block diagram showing a base station antenna information management system according to an embodiment of the present invention.
3 is a flowchart illustrating a target antenna selection process of a method for managing antenna information of a base station according to an embodiment of the present invention.
4 is a flowchart illustrating a process of generating and storing antenna information in a method for managing antenna information of a base station according to an embodiment of the present invention.
5 is a diagram illustrating an example of an image in which a scene including a target antenna is captured.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings in order to clarify a solution to the technical problem of the present invention. However, in describing the present invention, if the description of the related known technology rather obscure the subject matter of the present invention, a description thereof will be omitted. In addition, terms used in the present specification are terms defined in consideration of functions in the present invention, and these may vary according to intentions or customs of designers and manufacturers. Therefore, the definition of terms to be described later should be made based on the contents throughout the present specification.

1 is a diagram showing an example of a communication network environment to which the present invention is applied.

As shown in FIG. 1, the base station antenna information management system 100 according to an embodiment of the present invention performs communication with a mobile terminal 10 having a camera and an attitude sensor through a communication network, and relates to a base station antenna. It may be configured to generate and manage antenna information.

The mobile terminal 10 is a personal portable device capable of data communication with a camera and a posture sensor, such as a smart phone, a tablet PC, or a PDA (Personal Digital Assistant). The mobile terminal 10 determines the current position of the mobile terminal 10 based on a camera module, a global positioning system (GPS), or a mobile communication base station using an image sensor such as a CCD (Charge Coupled Device). A position measurement module to measure, a posture detection module that detects the posture of the mobile terminal 10 using a posture sensor such as a gyro sensor or an acceleration sensor, an input module that receives user input, and a display that displays visual information It may include modules and the like. Depending on the embodiment, the mobile terminal 10 may be configured to measure the altitude of the mobile terminal 10 using an altitude sensor or a barometric pressure sensor.

As will be described again below, a worker who installs, changes, installs, manages, etc. of a base station or antenna, photographs an antenna using the mobile terminal 10 carried by him/her, so that the swivel angle, tilt angle, and altitude of the antenna are Antenna information including, etc. may be stored or updated in the system 100.

The geographic information server 20 is a server that provides the system 100 with map information or topographic information required when estimating antenna information using an image captured through the mobile terminal 10. The geographic information server 20 may include a Geographic Information System (GIS) or be configured to interwork with GIS.

2 is a block diagram of a base station antenna information management system 100 according to an embodiment of the present invention.

As shown in FIG. 2, the base station antenna information management system 100 according to an embodiment of the present invention includes an antenna selection unit 110, an antenna information generation unit 120, and an antenna information storage unit 130. And, according to an embodiment, an antenna information transmission unit 150 may be further included.

The antenna selection unit 110 is configured to select a target antenna located within a predetermined distance from the mobile terminal 10 by checking the location of the mobile terminal 10 carried by the operator. To this end, the antenna selection unit 110 may include a terminal location identification unit 112, an antenna list transmission unit 114, and a target antenna determination unit 116.

In this case, the terminal location checking unit 112 is configured to receive location information indicating the current location of the mobile terminal 10, such as GPS information, from the mobile terminal 10 to check the location of the mobile terminal 10. I can.

The antenna list transmitter 114 may be configured to transmit an antenna list representing at least one antenna located within a predetermined distance from the mobile terminal 10 to the mobile terminal 10.

The target antenna determiner 116 may be configured to receive selection information indicating an antenna selected from the antenna list from the mobile terminal 10 and determine an antenna corresponding to the selection information as a target antenna.

The antenna information generation unit 120 includes at least one image captured by a camera of the mobile terminal 10, in which a scene including a target antenna is captured, and a posture of the mobile terminal 10 at a corresponding shooting time. Constructed to estimate one or more of the swing angle, tilt angle, and elevation of the target antenna with respect to the reference direction using the sensing value sensed by the sensor, and generate antenna information including the estimated value. do. To this end, the antenna information generation unit 120 may include a data collection unit 122, an estimate value calculation unit 124, and a first correction unit 126, and according to the embodiment, the second correction unit 128 is provided. It may contain more.

The data collection unit 122 is configured to receive at least one image in which a scene including a target antenna is photographed from the mobile terminal 10 and a sensing value sensed by the attitude sensor of the mobile terminal 10 at a corresponding shooting time. do. In this case, the data collection unit 122 may be configured to receive a plurality of images in which a scene including a target antenna is captured from the mobile terminal 10 and a plurality of sensing values respectively corresponding to the plurality of images. As will be described again below, such a plurality of images and a plurality of sensing values are used to correct an estimated value for a target antenna, so that the accuracy and reliability of the estimated value may be improved.

The estimate value calculator 124 may be configured to calculate an estimate value for at least one of a swing angle, a tilt angle, and an altitude of the target antenna by applying a pose estimation algorithm to the received image and the sensing value. The pose estimation algorithm is an algorithm that determines a pose of a target from one image or a series of images. Various types of pose estimation algorithms can be applied to the present invention. For example, pose estimation algorithms such as an analytic or geometric method, a genetic algorithm-based method, and a learning-based method may be selectively applied to the present invention. For example, as a pose estimation algorithm applicable to the present invention, Z. Wang, B. Jin, and W. Geng, “Estimation of Antenna Pose in the Earth Frame Using Camera and IMU Data from Mobile Phones” (Sensors, vol. 17, no. 4, p. 806, Apr. 2017.).

The first correction unit 126 may be configured to identify a building that is photographed with a target antenna and appear in a corresponding image, and calculates a corrected estimate value by correcting the estimate value based on direction information or height information of the identified building. . In this case, the first correction unit 126 may be configured to acquire direction information of the identified building by using map information or satellite image information on the surrounding topography of the mobile terminal. For example, the first correction unit 126 may be configured to obtain map information, terrain information, or satellite photo information corresponding to the location information of the mobile terminal 10 from the geographic information server 20 described with reference to FIG. 1. have.

As mentioned above, the data collection unit 122 may receive a plurality of images in which scenes including the same target antenna are captured from the mobile terminal 10, and a plurality of sensing values respectively corresponding to the plurality of images. . In this case, the second correction unit 128 may be configured to calculate a final estimated value based on the plurality of corrected estimate values calculated by the first correction unit 126 as a plurality of images and a plurality of sensing values are received. .

In one embodiment, the second correction unit 128 may calculate the final estimate using a weighted average method of calculating a weighted average of a plurality of corrected estimates, as shown in Equation 1 below. have.

[Equation 1]

In Equation 1, α, β, and γ are the final estimated values for the x-axis, y-axis, and z-axis rotation angles of the target antenna with respect to the reference direction, respectively, α _i , β _i , γ _i respectively estimated from the i-th image Corrected estimated values for the x-axis, y-axis and z-axis rotation angles, w is a weight assigned to each estimated value, and n is the number of images. In this case, the weight w may be adjusted according to various criteria such as resolution, sharpness, or shooting angle of the corresponding image.

In another embodiment, the second correction unit 128 inputs a plurality of corrected estimated values as variables of an optimization function, respectively, as shown in Equation 2 below to calculate a result value. It can be configured to calculate a final estimate using a multi-variable optimization technique.

[Equation 2]

In Equation 2, α, β, and γ are the final estimates of the rotation angles of the target antenna with respect to the reference direction in the x-axis, y-axis, and z-axis, g is an optimization function, and X1, Y2, and Z2 are the x-axis in the reference direction. , y-axis, z-axis rotation angles, ΔX1, ΔY1, and ΔZ1 represent the x-axis, y-axis, and z-axis angle differences between the target antenna image and the reference direction, respectively.

In addition, since the size of the antenna and the height of the building are already known, the altitude of the antenna can be estimated by a similar method.

The antenna information storage unit 130 may be configured to associate the generated antenna information with the identification information of the target antenna and store it in the database 140.

Meanwhile, the antenna information transmission unit 150 may be configured to transmit antenna information generated by the antenna information generation unit 120 to the mobile terminal 10. In addition, the antenna information transmission unit 150 may be configured to further transmit direction information (swing angle, tilt angle) required for the target antenna, and information related to a task to be performed by an operator to the mobile terminal 10. In this case, the mobile terminal 10 may display the transmitted information through the display module.

In an embodiment, the antenna information storage unit 130 may be configured to store the generated antenna information when a request to store the corresponding antenna information is received from a mobile terminal that has received the generated antenna information. That is, the antenna information storage unit 130, when the worker checks the antenna information displayed on the mobile terminal 10 and transmits the antenna information storage request to the system 100 through the mobile terminal 10, the corresponding antenna It can be configured to store information. It goes without saying that the operator who checks the antenna information displayed on the mobile terminal 10 can proceed with the process of generating new antenna information through image re-taking without requesting storage of the antenna information.

Each unit of the base station antenna information management system 100 or the system 100 according to various embodiments of the present invention is a computer system in which hardware such as a processor or a computer-readable recording medium and a software program executed by the processor are combined. Can be implemented. In addition, the base station antenna information management system 100 may be composed of one server or a computer system, or may be composed of two or more servers or computer systems that are physically separated and interworked.

3 is a flowchart illustrating a process of selecting a target antenna in a method for managing antenna information of a base station according to an embodiment of the present invention. Referring to FIG. 3, detailed operations of the base station antenna information management system 100 will be described in time series.

As shown in FIG. 3, the antenna selection unit 110 of the base station antenna information management system 100 checks the location of the mobile terminal 10 possessed by the operator and determines the target located within a certain distance from the mobile terminal 10. You can choose an antenna.

That is, when a worker located at the work site executes an application installed on the mobile terminal 10 and transmits location information indicating the current location of the mobile terminal 10 to the system 100, such as GPS information, the system 100 The terminal location checking unit 112 of may receive location information from the mobile terminal 10 and check the current location of the mobile terminal 10.

Then, the antenna list transmission unit 114 of the system 100 generates an antenna list representing at least one antenna located within a certain distance from the location of the identified mobile terminal 10 and transmits it to the mobile terminal 10. Can be (S310, S320).

When the operator selects an antenna for generating antenna information from the antenna list displayed through the display module of the mobile terminal 10, the mobile terminal 10 may transmit selection information indicating the selected antenna to the system 100 (S330). , S340).

Then, the target antenna determiner 116 of the system 100 may receive the selection information and determine an antenna corresponding to the selection information as a target antenna (S350).

4 is a flowchart illustrating a process of generating and storing antenna information in a method for managing antenna information of a base station according to an embodiment of the present invention. The detailed operation of the base station antenna information management system 100 will be described in time series with reference to FIG. 4.

As shown in FIG. 4, the antenna information generation unit 120 of the system 100 is at least one image captured by the camera of the mobile terminal 10 and at least one scene including a target antenna is captured. Using the image and the sensing value sensed by the attitude sensor of the mobile terminal 10 at the time of the corresponding photographing, one or more of the swing angle, the tilt angle, and the altitude of the target antenna with respect to the reference direction are estimated, and the estimated value is included. Can generate antenna information.

That is, when the target antenna is selected as described above, the antenna information generator 120 of the system 100 may transmit a target antenna photographing request to the mobile terminal 10 (S400).

When the operator who confirms the target antenna photographing request captures the scene including the target antenna with the camera of the mobile terminal 10, the attitude sensor of the mobile terminal 10 senses the attitude at the time of the corresponding photographing and generates a sensing value (S410). .

5 illustrates an example of an image I in which a scene including a target antenna is captured.

As shown in FIG. 5, the operator can take pictures so that the target antenna A as well as the surrounding buildings S1 and S2 appear in the image I photographed through the camera of the mobile terminal 10. The operator can check the captured image through the display module 12 of the mobile terminal 10.

Referring to FIG. 4 again, the data collection unit 122 of the antenna information generation unit 120 includes at least one image in which a scene including a target antenna is photographed from the mobile terminal 10 that has performed target antenna photography, A sensing value sensed by the posture sensor of the mobile terminal 10 may be received at a corresponding photographing time (S420).

Then, the estimation value calculation unit 124 of the antenna information generation unit 120 applies a pose estimation algorithm to the image and sensing values received from the mobile terminal 10 as mentioned above to target the target. An estimated value for at least one of a swing angle, a tilt angle, and an altitude of the antenna may be calculated (S430).

In addition, the first correction unit 126 of the antenna information generation unit 120 identifies a building that is photographed together with a target antenna and appears in the image, and corrects the estimated value based on direction information or height information of the identified building. A corrected estimate can be calculated. In this case, the first correction unit 126 may acquire direction information of the identified building by using map information or satellite image information on the surrounding topography of the mobile terminal. For example, the first correction unit 126 may obtain map information, terrain information, or satellite photo information corresponding to the location information of the mobile terminal 10 from the geographic information server 20 described with reference to FIG. 1.

Depending on the embodiment, the data collection unit 122 may be configured to receive a plurality of images in which a scene including a target antenna is captured from the mobile terminal 10 and a plurality of sensing values respectively corresponding to the plurality of images. Yes (S442).

In this case, the second correction unit 128 of the antenna information generation unit 120 is based on a plurality of corrected estimated values calculated by the first correction unit 126 as a plurality of images and a plurality of sensing values are received. The final estimate can be calculated. In one embodiment, the second correction unit 128 may calculate the final estimate by using a weighted average method of calculating a weighted average of a plurality of corrected estimates, as shown in Equation 1 above. have. In another embodiment, the second correction unit 128 inputs a plurality of corrected estimated values as variables of an optimization function, respectively, as shown in Equation 2, to calculate a result value. The final estimate can be calculated using a multi-variable optimization technique.

Then, the antenna information transmission unit 150 of the system 100 may transmit the antenna information generated by the antenna information generation unit 120 to the mobile terminal 10 (460). In this case, the antenna information transmission unit 150 may further transmit direction information (swing angle, tilt angle) required for the target antenna and information related to a task to be performed by a worker to the mobile terminal 10. Then, the mobile terminal 10 may display the transmitted information through the display module (S470).

The antenna information storage unit 130 of the system 100 may store the generated antenna information when a request to store the corresponding antenna information is received from the mobile terminal 10 that has received the generated antenna information ( S480, S490). That is, the antenna information storage unit 130, when the worker checks the antenna information displayed on the mobile terminal 10 and transmits the antenna information storage request to the system 100 through the mobile terminal 10, the corresponding antenna It can be configured to store information. As mentioned above, it goes without saying that the operator who checks the antenna information displayed on the mobile terminal 10 can proceed with the process of generating new antenna information through image retake without requesting storage of the antenna information.

Meanwhile, the embodiments according to the present invention may be implemented with a computer system and a computer program that drives the computer system. When the embodiments of the present invention are implemented as a computer program, the components of the present invention are program segments that execute a corresponding operation or task through the computer system. These computer programs or program segments may be stored in various computer-readable recording media. Computer-readable recording media include all types of media that record data that can be read by a computer system. For example, the computer-readable recording medium may include a ROM, RAM, EEPROM, register, flash memory, CD-ROM, magnetic tape, hard disk, floppy disk, or optical data recording device. In addition, such a recording medium may be distributed and arranged in computer systems connected through various networks to store or execute program codes in a distributed manner.

As described above, according to the present invention, by estimating the information of the base station antenna using a mobile terminal such as a smart phone, it is possible to simplify and increase the efficiency and improve the operation convenience of the base station antenna information current operation, and management of the mobile communication network. And maintenance cost can be reduced.

In addition, by correcting the estimated values for the swing angle and the tilt angle of the base station antenna by using multi-images, the accuracy and reliability of antenna information can be improved to a level applicable to a 5G base station.

Further, it goes without saying that the embodiments according to the present invention can solve various technical problems other than those mentioned in the present specification in the related technical field as well as in the relevant technical field.

So far, the present invention has been described with reference to specific examples. However, those skilled in the art will clearly understand that various modified embodiments may be implemented in the technical scope of the present invention. Therefore, the embodiments disclosed above should be considered from an illustrative point of view rather than a limiting point of view. That is, the scope of the true technical idea of the present invention is shown in the claims, and all differences within the scope of equivalents thereto are to be interpreted as being included in the present invention.

100: base station antenna information management system 110: antenna selection unit
112: terminal location check unit 114: antenna list transmission unit
116: target antenna determination unit 120: antenna information generation unit
122: data collection unit 124: estimation value calculation unit
126: first correction unit 128: second correction unit
130: antenna information storage unit 140: antenna information DB
150: antenna information transmission unit

Claims (17)

A base station antenna information management system that manages antenna information about a base station antenna using a mobile terminal having a camera and an attitude sensor,
An antenna selection unit that checks the location of the mobile terminal and selects a target antenna located within a predetermined distance from the mobile terminal;
A reference direction using at least one image captured by the camera of the mobile terminal, in which a scene including the target antenna is captured, and a sensing value sensed by the attitude sensor of the mobile terminal at a corresponding shooting time An antenna information generator for estimating at least one of a swing angle, a tilt angle, and an altitude of the target antenna with respect to and generating antenna information including the estimated value; And
Base station antenna information management system comprising an antenna information storage unit for storing the generated antenna information in association with the identification information of the target antenna. The method of claim 1,
The antenna selection unit,
A terminal location check unit that receives location information from the mobile terminal and checks the location of the mobile terminal;
An antenna list transmitter for transmitting an antenna list indicating at least one antenna located within a predetermined distance from the mobile terminal to the mobile terminal; And
And a target antenna determining unit configured to receive selection information indicating an antenna selected from the antenna list from the mobile terminal and determine an antenna corresponding to the selection information as the target antenna. The method of claim 1,
The antenna information generator,
A data collection unit configured to receive at least one image in which a scene including the target antenna is captured from the mobile terminal, and a sensing value sensed by an attitude sensor of the mobile terminal at a corresponding shooting time;
An estimate value calculator configured to calculate an estimate value for at least one of a swing angle, a tilt angle, and an altitude of the target antenna by applying a pose estimation algorithm to the received image and the sensing value; And
And a first correction unit for calculating a corrected estimate value by identifying a building photographed together with the target antenna and appearing in the image, and correcting the estimated value based on direction information or height information of the identified building. Information management system. The method of claim 3,
And the first correction unit is configured to obtain direction information of the identified building by using map information or satellite image information on the surrounding topography of the mobile terminal. The method of claim 3,
The data collection unit is configured to receive a plurality of images in which a scene including the target antenna is captured from the mobile terminal and a plurality of sensing values respectively corresponding to the plurality of images,
The antenna information generator further comprises a second correction unit for calculating a final estimate value based on a plurality of corrected estimate values calculated by the first correction unit as the plurality of images and the plurality of sensing values are received. Base station antenna information management system. The method of claim 5,
The second correction unit calculates a weighted average method for calculating a weighted average of the plurality of corrected estimates, or by inputting the plurality of corrected estimates as variables of an optimization function, respectively, to calculate a result value. The base station antenna information management system, characterized in that configured to calculate the final estimated value using a multivariate optimization method. The method of claim 1,
The system further comprises an antenna information transmission unit configured to transmit the generated antenna information to the mobile terminal to be displayed on the mobile terminal. The method of claim 7,
The antenna information storage unit is configured to store the generated antenna information when a request for storage of corresponding antenna information is received from a mobile terminal that has received the generated antenna information. A base station antenna information management method for managing antenna information about a base station antenna using a computer system interlocking with a mobile terminal having a camera and a posture sensor,
Selecting, by the system, a target antenna located within a predetermined distance from the mobile terminal by checking the location of the mobile terminal;
The system uses at least one image in which a scene including the target antenna is photographed as at least one image photographed by the camera of the mobile terminal, and a sensing value sensed by the attitude sensor of the mobile terminal at a corresponding photographing time. Estimating at least one of a swing angle, a tilt angle, and an altitude of the target antenna with respect to a reference direction, and generating antenna information including a corresponding estimated value; And
And storing the generated antenna information in association with the identification information of the target antenna. The method of claim 9,
The step of selecting the target antenna,
Receiving, by the system, location information from the mobile terminal and confirming the location of the mobile terminal;
Transmitting, by the system, an antenna list indicating at least one antenna located within a predetermined distance from the mobile terminal to the mobile terminal; And
And receiving, by the system, selection information indicating an antenna selected from the antenna list from the mobile terminal, and determining an antenna corresponding to the selection information as the target antenna. The method of claim 9,
Generating the antenna information,
Receiving, by the system, at least one image in which a scene including the target antenna is captured from the mobile terminal and a sensing value sensed by an attitude sensor of the mobile terminal at a corresponding shooting time;
Calculating, by the system, an estimated value for at least one of a swing angle, a tilt angle, and an altitude of the target antenna by applying a pose estimation algorithm to the received image and sensing values; And
And calculating a corrected estimated value by identifying the building, by the system being photographed together with the target antenna, and correcting the estimated value based on direction information or height information of the identified building. How to manage antenna information. The method of claim 11,
The calculating of the corrected estimated value includes acquiring direction information of the identified building using map information or satellite image information on the surrounding topography of the mobile terminal. . The method of claim 11,
The receiving step includes receiving a plurality of images in which a scene including the target antenna is captured from the mobile terminal and a plurality of sensing values respectively corresponding to the plurality of images,
The generating of the antenna information further includes calculating a final estimated value based on a plurality of corrected estimate values calculated in the step of calculating the corrected estimate value as the plurality of images and the plurality of sensing values are received. Base station antenna information management method, characterized in that. The method of claim 5,
The calculating of the final estimate may include a weighted average method of calculating a weighted average of the plurality of corrected estimates, or a result of inputting the plurality of corrected estimates as variables of an optimization function, respectively. And calculating the final estimated value by using a multivariate optimization method for calculating a value. The method of claim 9,
The method further comprises, after the step of generating the antenna information, the system transmitting the generated antenna information to the mobile terminal to be displayed on the mobile terminal. The method of claim 15,
The storing comprises storing the generated antenna information when a request to store the corresponding antenna information is received from a mobile terminal that has received the generated antenna information. A computer program for executing the method according to any one of claims 9 to 16 through a computer, and recorded on a computer-readable recording medium.

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