CN112203226B - Antenna feeder adjusting method and device based on user position information - Google Patents
Antenna feeder adjusting method and device based on user position information Download PDFInfo
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Abstract
The invention discloses an antenna feeder adjusting method and device based on user position information, wherein the method comprises the following steps: acquiring user position information, and respectively preprocessing the user position information to obtain user positioning information corresponding to the user position information; screening user positioning information corresponding to a base station where an antenna feeder to be adjusted is located according to resident cell information contained in the user positioning information; respectively aiming at each user positioning information screened out, determining user azimuth information corresponding to the user positioning information according to the position information of the antenna feeder to be adjusted; and determining an expected adjustment azimuth angle and an expected adjustment downward inclination angle of the antenna feeder to be adjusted according to the user azimuth information corresponding to the screened user positioning information, and adjusting the antenna feeder to be adjusted according to the expected adjustment azimuth angle and the expected adjustment downward inclination angle. The invention can preprocess the acquired user position information to obtain the user positioning information, and uses the user positioning information as the basis for adjusting the antenna feeder, thereby improving the effectiveness and the accuracy of the antenna feeder adjustment.
Description
Technical Field
The invention relates to the technical field of communication, in particular to an antenna feeder adjusting method and device based on user position information.
Background
With the development of mobile network construction, the requirements of users on network quality are higher and higher, and antennas are basic components of a communication system, so that optimization of mobile communication base station antennas, including optimization of antenna feeders, antenna coverage and the like, is an important subject in mobile communication network optimization.
The adjustment of the antenna feeder is basically based on data analysis of drive tests or information acquisition of a system background at present. The method is characterized in that the problems of base station building, weak coverage, cross-area coverage, pilot pollution, boundary cells and the like are analyzed, and the method of adjusting the downward inclination angle, the pitch angle or the antenna height of the cell by a method of artificial subjective judgment is used for solving the problems.
The existing antenna feeder adjustment has certain defects. The traditional antenna feeder adjusting and optimizing method mainly depends on manual experience, subjective judgment is made around a base station by referring to a DT (Drive Test) or CQT (Call Quality Test) Test result, antenna feeder parameter adjustment and optimization are repeatedly performed through a manual method, a large amount of manpower, material resources and time are consumed, the defects of low working efficiency, large workload, poor precision and the like exist, and the manual method has the defects that inaccurate antenna feeder optimization or repeated on-site adjustment is easily caused or a wrong judgment phenomenon occurs by depending on the working experience and judgment of an engineer, so that the problem of network optimization work passive matching network is solved, meanwhile, the basis of the adjustment judgment is only directed at signal coverage of a road surface and complaints of a small number of users, the depth coverage and the whole users cannot be comprehensively considered, and the maximum performance which can be reached by the network is limited to a great extent. In addition, the adjustment of a single base station can also be applied to manual work, but if the adjustment of a network structure is involved, such as optimization of clusters, optimization of tiles, and the situation that the number of base stations involved in antenna feeder adjustment is too large, the problem is more greatly reflected.
Disclosure of Invention
In view of the above problems, the present invention is proposed to provide an antenna feeder adjusting method and apparatus based on user location information, which overcomes or at least partially solves the above problems.
According to an aspect of the present invention, there is provided an antenna feeder adjusting method based on user location information, including:
acquiring user position information of each user, and respectively preprocessing the user position information to obtain user positioning information corresponding to the user position information; the user positioning information comprises resident cell information of a user;
screening user positioning information corresponding to a base station where an antenna feeder to be adjusted is located according to resident cell information contained in each user positioning information;
respectively aiming at each user positioning information screened out, determining user azimuth information corresponding to the user positioning information according to the position information of the antenna feeder to be adjusted;
and determining an expected adjustment azimuth angle and an expected adjustment downward inclination angle of the antenna feeder to be adjusted according to the user azimuth information corresponding to the screened user positioning information, and adjusting the antenna feeder to be adjusted according to the expected adjustment azimuth angle and the expected adjustment downward inclination angle.
Optionally, the determining an expected adjustment azimuth angle and an expected adjustment downtilt angle of the antenna feeder to be adjusted according to the user azimuth information corresponding to the screened user positioning information specifically includes:
determining an expected adjustment azimuth angle and an expected adjustment downward inclination angle according to the reference signal receiving level value of the resident cell corresponding to the user positioning information and the reference signal receiving level value of the adjacent cell corresponding to the user positioning information after the antenna feeder is adjusted;
and/or determining an expected adjustment azimuth angle and an expected adjustment downward inclination angle according to the weight of the user corresponding to the user positioning information, the path loss of the user corresponding to the user positioning information and the antenna gain corresponding to the user positioning information after the antenna feeder is adjusted.
Optionally, the obtaining user location information of each user, and the performing the preprocessing for the user location information specifically includes:
converting the acquired user position information of each user according to a preset geographic coordinate system to obtain unified and standard user longitude and latitude information;
generating user positioning information corresponding to the user position information according to a preset base station database and the user longitude and latitude information of the unified standard;
the user positioning information specifically includes: and unifying standard longitude and latitude information of the user and resident cell information of the user.
Optionally, the information of the residential cell where the user is located, which is included in the user positioning information, specifically includes: the cell identification code of the resident cell, the longitude and latitude information of the resident cell and the base station number corresponding to the resident cell.
Optionally, determining, according to the position information of the antenna feeder to be adjusted, user azimuth information corresponding to the user positioning information specifically includes:
and determining user azimuth information corresponding to the user positioning information according to the user longitude and latitude information of the unified standard in the user positioning information, the longitude and latitude information of a base station where the antenna feeder to be adjusted is located and the hanging height of the antenna feeder to be adjusted.
Optionally, the user orientation information corresponding to the user positioning information specifically includes: the azimuth angle of the user corresponding to the user positioning information relative to the antenna feeder to be adjusted, the downward inclination angle of the user corresponding to the user positioning information relative to the antenna feeder to be adjusted, and/or the distance between the user corresponding to the user positioning information and the base station where the antenna feeder to be adjusted is located.
Optionally, the obtaining the user location information of each user specifically includes: acquiring user position information within preset time through the over-the-top service application; the over-the-top service application acquires the user position information through a POST method of an HTTP protocol and/or a GET method of the HTTP protocol.
According to an aspect of the present invention, there is provided an antenna feeder adjusting apparatus based on user location information, including:
the user position information processing module is suitable for acquiring user position information of each user and respectively carrying out preprocessing aiming at the user position information so as to obtain user positioning information corresponding to the user position information; the user positioning information comprises resident cell information of a user;
the user positioning information screening module is suitable for screening user positioning information corresponding to a base station where the antenna feeder to be adjusted is located according to resident cell information contained in each user positioning information;
the user direction information determining module is suitable for respectively determining the user direction information corresponding to the user positioning information according to the position information of the antenna feeder to be adjusted aiming at each user positioning information screened out;
and the azimuth angle and downtilt calculation module is suitable for determining an expected adjustment azimuth angle and an expected adjustment downtilt angle of the antenna feeder to be adjusted according to the user azimuth information corresponding to the screened user positioning information, and adjusting the antenna feeder to be adjusted according to the expected adjustment azimuth angle and the expected adjustment downtilt angle.
Optionally, the azimuth and downtilt calculation module is adapted to:
determining an expected adjustment azimuth angle and an expected adjustment downward inclination angle according to the reference signal receiving level value of the resident cell corresponding to the user positioning information and the reference signal receiving level value of the adjacent cell corresponding to the user positioning information after the antenna feeder is adjusted;
and/or determining an expected adjustment azimuth angle and an expected adjustment downward inclination angle according to the weight of the user corresponding to the user positioning information, the path loss of the user corresponding to the user positioning information and the antenna gain corresponding to the user positioning information after the antenna feed is adjusted.
Optionally, the user location information processing module is adapted to:
converting the acquired user position information of each user according to a preset geographic coordinate system to obtain unified and standard user longitude and latitude information;
generating user positioning information corresponding to the user position information according to a preset base station database and the user longitude and latitude information of the unified standard;
the user positioning information specifically includes: and unifying the longitude and latitude information of the standard user and the resident cell information of the user.
Optionally, the information of the cell where the user is camping included in the user positioning information specifically includes: the cell identification code of the resident cell, the longitude and latitude information of the resident cell and the base station number corresponding to the resident cell.
Optionally, the user orientation information determination module is adapted to:
and determining user azimuth information corresponding to the user positioning information according to the user longitude and latitude information of the unified standard in the user positioning information, the longitude and latitude information of a base station where the antenna feeder to be adjusted is located and the hanging height of the antenna feeder to be adjusted.
Optionally, the user orientation information corresponding to the user positioning information specifically includes: the azimuth angle of the user corresponding to the user positioning information relative to the antenna feeder to be adjusted, the downward inclination angle of the user corresponding to the user positioning information relative to the antenna feeder to be adjusted, and/or the distance between the user corresponding to the user positioning information and the base station where the antenna feeder to be adjusted is located.
Optionally, the user location information processing module is further adapted to: acquiring user position information within preset time through the over-the-top service application; the over-the-top service application acquires the user position information through a POST method of an HTTP protocol and/or a GET method of the HTTP protocol.
According to still another aspect of the present invention, there is provided an electronic apparatus including: the processor, the memory and the communication interface complete mutual communication through the communication bus;
the memory is used for storing at least one executable instruction, and the executable instruction enables the processor to execute the operation corresponding to the antenna feeder adjusting method based on the user position information.
According to still another aspect of the present invention, there is provided a computer storage medium having at least one executable instruction stored therein, where the executable instruction causes a processor to perform operations corresponding to the above-mentioned antenna feeder adjusting method based on user location information.
In summary, the present invention discloses a method and an apparatus for adjusting an antenna feeder based on user location information, first obtaining user location information, and respectively preprocessing the user location information to obtain user location information corresponding to the user location information. And then, screening user positioning information corresponding to the base station where the antenna feeder to be adjusted is located according to resident cell information contained in the user positioning information. And then, respectively aiming at each user positioning information screened out, determining user azimuth information corresponding to the user positioning information according to the position information of the antenna feeder to be adjusted. And finally, determining an expected adjustment azimuth angle and an expected adjustment downward inclination angle of the antenna feeder to be adjusted according to the user azimuth information corresponding to the screened user positioning information, and adjusting the antenna feeder to be adjusted according to the expected adjustment azimuth angle and the expected adjustment downward inclination angle. The invention can preprocess the acquired user position information to obtain the user positioning information, and uses the user positioning information as the basis for adjusting the antenna feeder, thereby improving the effectiveness and the accuracy of the antenna feeder adjustment.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
Drawings
Various additional advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 shows a flowchart of an antenna feeder adjustment method based on user location information according to a first embodiment;
fig. 2 is a flowchart illustrating an antenna feeder adjusting method based on user location information according to a second embodiment;
fig. 3 is a block diagram showing an antenna feeder adjusting apparatus based on user location information according to a third embodiment;
FIG. 4 is a schematic diagram of an electronic device according to an embodiment of the invention;
fig. 5 shows a schematic distribution diagram of a user group corresponding to a base station where an antenna feeder to be adjusted is located.
Detailed description of the invention
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
Example one
Fig. 1 shows a flowchart of an antenna feeder adjustment method based on user location information according to an embodiment. As shown in fig. 1, the method comprises the steps of:
step S110: acquiring user position information of each user, and respectively preprocessing the user position information to obtain user positioning information corresponding to the user position information; the user positioning information includes information of a resident cell where the user is located.
The user location information specifically includes: longitude and latitude information of the user's current location. The user positioning information specifically includes: longitude and latitude information of the current position of the user and information of a resident cell where the user is located.
Specifically, the preprocessing for the location information of each user specifically includes: firstly, because the coordinate systems of the acquired user position information of each user are not uniform, the acquired user position information of each user is converted into user longitude and latitude information with uniform standard according to a preset geographic coordinate system. And then, determining the resident cell where the user is located according to the user position information. And in specific implementation, matching the longitude and latitude information of the user with the unified standard with the preset longitude and latitude information of the cell, and if the matching is successful, indicating that the cell corresponding to the longitude and latitude information of the cell which is successfully matched is the resident cell of the user. And finally, generating user positioning information corresponding to the user position information according to the user longitude and latitude information of the unified standard and the information of the resident cell successfully matched. It should be noted that the conversion according to the preset geographic coordinate system is optional in this step. In addition, the method for determining the residential cell where the user is located according to the user location information is not specifically limited in this embodiment, and those skilled in the art may determine the residential cell where the user is located by using other methods.
Step S120: and screening the user positioning information corresponding to the base station where the antenna feeder to be adjusted is located according to the resident cell information contained in each user positioning information.
And the resident cell information in the user positioning information comprises a base station number corresponding to the resident cell.
Specifically, a base station number of a base station where the antenna feeder to be adjusted is located is obtained, user positioning information consistent with the base station number of the base station where the antenna feeder to be adjusted is located is screened out from the user positioning information, and the screened user positioning information is the user positioning information corresponding to the base station where the antenna feeder to be adjusted is located.
Step S130: and respectively aiming at each user positioning information screened out, and determining user azimuth information corresponding to the user positioning information according to the position information of the antenna feeder to be adjusted.
Wherein, the position information of the antenna feeder to be adjusted specifically comprises: the longitude and latitude information of a base station where the antenna feeder to be adjusted is located and the hanging height of the antenna feeder to be adjusted. The user orientation information corresponding to the user positioning information specifically includes: the azimuth angle of the user corresponding to the user positioning information relative to the antenna feeder to be adjusted, the downward inclination angle of the user corresponding to the user positioning information relative to the antenna feeder to be adjusted, and/or the distance between the user corresponding to the user positioning information and the base station where the antenna feeder to be adjusted is located.
Specifically, the user azimuth information corresponding to the user positioning information is determined according to the longitude and latitude information of the user in each piece of screened user positioning information, the longitude and latitude information of the base station where the antenna feeder to be adjusted is located, and the hanging height of the antenna feeder to be adjusted. In specific implementation, the distance D between the user corresponding to the user positioning information and the base station where the antenna feeder to be adjusted is located is determined according to the longitude and latitude information of the user in the user positioning information and the longitude and latitude information of the base station where the antenna feeder to be adjusted is located n . According to the distance D n Determining the position of the user corresponding to the user positioning information according to the hanging height of the antenna feeder to be adjusted relative to the position below the antenna feeder to be adjustedTilt angle theta n . Determining the azimuth angle phi of a user corresponding to the user positioning information relative to the antenna feeder to be adjusted according to the longitude and latitude information of the user in the user positioning information and the longitude and latitude information of a base station where the antenna feeder to be adjusted is located n 。
Step S140: and determining an expected adjustment azimuth angle and an expected adjustment downward inclination angle of the antenna feeder to be adjusted according to the user azimuth information corresponding to the screened user positioning information, and adjusting the antenna feeder to be adjusted according to the expected adjustment azimuth angle and the expected adjustment downward inclination angle.
The desired adjustment of the azimuth angle and the desired adjustment of the downtilt angle refer to the azimuth angle and the downtilt angle of the rotation of the antenna feeder to be adjusted in order to achieve the desired effect of the scheme.
Specifically, from the angle with the best overall coverage rate of the expected cell and/or from the angle with the best overall performance of the expected cell, the expected adjustment azimuth angle and the expected adjustment downtilt angle of the antenna feeder to be adjusted are determined by utilizing the user azimuth information corresponding to the screened user positioning information. It should be noted that one skilled in the art may determine the desired adjustment azimuth and the desired adjustment downtilt angle from other perspectives.
In conclusion, the method obtains the user position information of each user, obtains the user positioning information after preprocessing the user position information, and uses the user positioning information as the basis for adjusting the antenna feeder, thereby improving the effectiveness and the accuracy of the antenna feeder adjustment and avoiding the problems of low efficiency and poor accuracy of the antenna feeder adjustment which is repeatedly performed by depending on manual experience.
Example two
Fig. 2 is a flowchart illustrating an antenna feeder adjustment method based on user location information according to a second embodiment. As shown in fig. 2, the method comprises the steps of:
step S200: acquiring user position information within preset time through the over-the-top service application; the over-the-top service application acquires the user position information through a POST method of an HTTP protocol and/or a GET method of the HTTP protocol.
Among them, over The Top service (OTT) means that internet companies cross operators to develop various video and data services based on The open internet. Some OTT applications provide positioning and navigation services for users, and the OTT applications can extract user position information and describe the movement track of the users. The user location information specifically includes: longitude and latitude information of the user's current location. The user position information acquired by the positioning method is from the OTT application, so the method is called OTT positioning. Specifically, the OTT application acquires the user location information in two cases: in the first situation, when a user is outdoors, some OTT applications provide positioning and navigation services for the user, and the OTT applications acquire longitude and latitude information of the current position of the user by depending on a GPS satellite; in the second situation, the user cannot rely on a GPS satellite indoors, the user equipment listens to a nearby AP (Access Point) hotspot, and/or the AP hotspot actively transmits a probe packet to the user equipment, each AP hotspot transmits signal strength information of the terminal to the positioning server, and the positioning server reversely positions a specific position of the user according to the signal strength information of the terminal and an AP hotspot coordinate stored in the positioning server in advance.
Specifically, user position information within preset time is obtained through the over-the-top service application; the over-the-top service application acquires user position information through a POST method of an HTTP protocol and/or a GET method of the HTTP protocol, the HTTP protocol is a request response protocol between a client and a server, and the POST method and the GET method are two conventional HTTP request methods.
Step S210: acquiring user position information of each user, and respectively preprocessing the user position information to obtain user positioning information corresponding to the user position information; the user positioning information includes information of a resident cell where the user is located.
Specifically, after obtaining the user location information of each user uploaded by the OTT application, the execution main body of the present invention performs preprocessing on each user location information.
In specific implementation, firstly, user location information of each user is acquired from an HTTP source code in an S1-U interface, where the user location information specifically includes: longitude and latitude information of the user's current location. However, since the international longitude and latitude general standard is WGS84, the common longitude and latitude standard of china is GCJ-02, and different map manufacturers generate longitude and latitude respectively for different geographic coordinate systems, the acquired user location information of each user is converted to obtain the user longitude and latitude information of the unified standard according to the preset geographic coordinate system. For example, the user location information may be converted into unified user longitude and latitude information according to the GCJ-02 geographic coordinate system.
And then, generating user positioning information corresponding to the user position information according to a preset base station database and the user longitude and latitude information of the unified standard. The base station database stores the association relationship among the base station number, the cell identification code and the latitude and longitude information of the cell in advance. And matching the longitude and latitude information of the user with the longitude and latitude information of the cell in the base station database, wherein if the matching is successful, the user is shown to reside in the cell corresponding to the longitude and latitude information of the cell which is successfully matched, and the cell corresponding to the longitude and latitude information of the cell which is successfully matched is the resident cell of the user. And generating user positioning information according to the user longitude and latitude information of the unified standard and the resident cell information successfully matched with the user longitude and latitude information of the unified standard. The user positioning information specifically includes: the unified longitude and latitude information of the user and the information of the resident cell where the user is located specifically include: the cell identification code of the resident cell, the longitude and latitude information of the resident cell and the base station number corresponding to the resident cell.
Step S220: and screening the user positioning information corresponding to the base station where the antenna feeder to be adjusted is located according to the resident cell information contained in each user positioning information.
In step S210, the information of the cell to be camped in the user positioning information includes the station number of the base station corresponding to the cell to be camped.
Specifically, a base station number of a base station where the antenna feeder to be adjusted is located is obtained, user positioning information consistent with the base station number of the base station where the antenna feeder to be adjusted is located is screened out from the user positioning information, and the screened user positioning information is the user positioning information corresponding to the base station where the antenna feeder to be adjusted is located. Fig. 5 shows a distribution diagram of user groups corresponding to a base station where an antenna feeder to be adjusted is located, and as shown in fig. 5, a user group corresponding to a base station where an antenna feeder to be adjusted is located is screened from user positioning information, where a is a base station where an antenna feeder to be adjusted is located, B is a location of a certain user, and a sector is a user group corresponding to a base station where an antenna feeder to be adjusted is located.
Step S230: and respectively aiming at each user positioning information screened out, and determining user azimuth information corresponding to the user positioning information according to the position information of the antenna feeder to be adjusted.
Wherein, the position information of the antenna feeder to be adjusted specifically comprises: the longitude and latitude information of a base station where the antenna feeder to be adjusted is located and the hanging height of the antenna feeder to be adjusted.
Specifically, the user azimuth information corresponding to the user positioning information is determined according to the longitude and latitude information of the user with the unified standard, the longitude and latitude information of the base station where the antenna feeder to be adjusted is located and the hanging height of the antenna feeder to be adjusted in each piece of screened user positioning information. Wherein, the user orientation information corresponding to the user positioning information specifically includes: the azimuth angle of the user corresponding to the user positioning information relative to the antenna feeder to be adjusted, the downward inclination angle of the user corresponding to the user positioning information relative to the antenna feeder to be adjusted, and/or the distance between the user corresponding to the user positioning information and the base station where the antenna feeder to be adjusted is located. In specific implementation, for example, the longitude and latitude information of the user with the unified standard in the user positioning information is 118 degrees of east longitude, 29 degrees of north latitude, the longitude and latitude information of the base station where the antenna feeder to be adjusted is 100 degrees of east longitude, 20 degrees of north latitude, the hanging height of the antenna feeder to be adjusted is 20m, and the distance D between the user corresponding to the user positioning information and the base station where the antenna feeder to be adjusted is located is determined according to the longitude and latitude information of the user with the unified standard in the user positioning information and the longitude and latitude information of the base station where the antenna feeder to be adjusted is located n . According to the distance D n Determining the downward inclination angle theta of the user corresponding to the positioning information of the user according to the hanging height of the antenna feeder to be adjusted n . Determining the azimuth angle phi of a user corresponding to the user positioning information relative to the antenna feeder to be adjusted according to the longitude and latitude information of the user of the unified standard in the user positioning information and the longitude and latitude information of the base station where the antenna feeder to be adjusted is located n 。
Step S240: and determining an expected adjustment azimuth angle and an expected adjustment downward inclination angle of the antenna feeder to be adjusted according to the user azimuth information corresponding to the screened user positioning information, and adjusting the antenna feeder to be adjusted according to the expected adjustment azimuth angle and the expected adjustment downward inclination angle.
The desired adjustment of the azimuth angle and the desired adjustment of the downtilt angle refer to the azimuth angle and the downtilt angle of the rotation of the antenna feeder to be adjusted in order to achieve the desired effect of the scheme.
Specifically, a desired adjustment azimuth angle and a desired adjustment downtilt angle of the antenna feeder to be adjusted are calculated from the angle at which the overall coverage of the desired cell is optimal and/or from the angle at which the overall performance of the desired cell is optimal. In this embodiment, at least one of the two angles may be selected, and the specific implementation is as follows:
(1) And determining an expected adjustment azimuth angle and an expected adjustment downward inclination angle from the angle of the best overall coverage rate of the expected cell according to the reference signal receiving level value of the resident cell corresponding to the user positioning information after the antenna feeder is adjusted and the reference signal receiving level value of the adjacent cell corresponding to the user positioning information. The calculation formula is as follows:
wherein, RSRP-Ser n Receiving a level value for a reference signal of a resident cell where a user n is located; RSRP-Nei max n The maximum neighbor cell reference signal receiving level value of the user n; f (phi) n + phi) is the antenna gain of phi user n after the azimuth rotation; f (theta) n + theta) is the antenna gain of theta user n after the downward inclination angle is rotated; phi and theta are the desired adjusted azimuth angle and the desired adjusted downtilt angle.
The physical meaning of the above formula is: comparing the reference signal receiving level value of the resident cell of the user n with the maximum adjacent cell reference signal receiving level value of the user n, if the larger value of the reference signal receiving level value of the resident cell of the user n and the maximum adjacent cell reference signal receiving level value of the user n is larger than 110dBm, the azimuth angle and the downtilt angle of the antenna feeder rotation are reasonable, and recording the result as 1; if the larger value of the two is smaller than 110dBm, the azimuth angle and the downtilt angle of the antenna feeder rotation are unreasonable, and the result is recorded as 0. The maximum receiving level value of the reference signal of the neighboring cell of the user n is the maximum value screened from the receiving level values of the reference signal of the neighboring cell obtained in real time. It should be noted that, after the antenna feeder is adjusted, the received power of the reference signal of the neighboring cell of the user n is unchanged, and if the coverage of the signal of the cell where the user resides is poor due to the adjustment of the antenna feeder, but the coverage of the signal of the neighboring cell is good, the azimuth angle and the downtilt angle of the rotation of the antenna feeder are also reasonable.
The specific solving method of the calculation formula comprises the steps of trial calculation, presetting a plurality of groups of expected adjustment azimuth angles phi and expected adjustment downward inclination angles theta, and substituting the plurality of groups of phi and theta into the formula one by one to ensure that the calculated formula value is maximum phi o And theta 0 I.e. the desired adjusted azimuth and the desired adjusted downtilt for the best overall coverage of the cell.
(2) And determining an expected adjustment azimuth angle and an expected adjustment downward inclination angle from the angle of the best overall performance of the expected cell according to the weight of the user corresponding to the user positioning information, the path loss of the user and the antenna gain corresponding to the user positioning information after the antenna feeder is adjusted.
The calculation formula is as follows:
wherein, ω is n Is the weight of user n, l n Path loss for user n, f (phi) n + phi) is the antenna gain of phi user n after the azimuth rotation; f (theta) n + θ) is the antenna gain of θ user n after downtilt rotation.
The physical meaning of the above formula is: and the weight of the user and the path loss of the user are considered, and the antenna gain is maximum after the azimuth angle phi and the downward inclination angle theta of the antenna feeder rotation are ensured.
The specific solving method of the calculation formula comprises the steps of trial calculation, presetting a plurality of groups of expected adjustment azimuth angles phi and expected adjustment downward inclination angles theta, and substituting the plurality of groups of phi and theta into the formula one by one to ensure that the n user antennas have the maximum gain phi o And theta 0 I.e. the desired adjustment party that satisfies the best overall coverage of the cellThe attitude and the desired adjustment down tilt.
In summary, in this way, the user location information acquired in real time is converted into user location information by using the user location information uploaded by the OTT application, and the user location information is used as a basis for adjusting the antenna feeder, and an expected adjustment azimuth angle and an expected adjustment downtilt angle are calculated from the angle with the best overall coverage rate and the best overall performance of the cell, so that the actual effect and the accuracy of the antenna feeder adjustment are increased.
EXAMPLE III
Fig. 3 is a block diagram of an antenna feeder adjusting apparatus based on user location information according to a third embodiment, where the apparatus includes:
the user position information processing module 31 is adapted to acquire user position information of each user, and perform preprocessing on the user position information respectively to obtain user positioning information corresponding to the user position information; the user positioning information comprises resident cell information of a user;
the user positioning information screening module 32 is adapted to screen user positioning information corresponding to the base station where the antenna feeder to be adjusted is located according to resident cell information contained in each user positioning information;
a user orientation information determining module 33, adapted to determine, for each of the screened user positioning information, user orientation information corresponding to the user positioning information according to the position information of the antenna feeder to be adjusted;
the azimuth and downtilt calculation module 34 is adapted to determine an expected adjustment azimuth and an expected adjustment downtilt of the antenna feeder to be adjusted according to the user azimuth information corresponding to the screened user positioning information, and adjust the antenna feeder to be adjusted according to the expected adjustment azimuth and the expected adjustment downtilt.
Optionally, the azimuth and downtilt calculation module 34 is adapted to:
determining an expected adjustment azimuth angle and an expected adjustment downward inclination angle according to the reference signal receiving level value of the resident cell corresponding to the user positioning information and the reference signal receiving level value of the adjacent cell corresponding to the user positioning information after the antenna feeder is adjusted;
and/or determining an expected adjustment azimuth angle and an expected adjustment downward inclination angle according to the weight of the user corresponding to the user positioning information, the path loss of the user corresponding to the user positioning information and the antenna gain corresponding to the user positioning information after the antenna feeder is adjusted.
Optionally, the user location information processing module 31 is adapted to:
converting the acquired user position information of each user according to a preset geographic coordinate system to obtain unified standard user longitude and latitude information;
generating user positioning information corresponding to the user position information according to a preset base station database and the user longitude and latitude information of the unified standard;
the user positioning information specifically includes: and unifying the longitude and latitude information of the standard user and the resident cell information of the user.
Optionally, the information of the cell where the user is camping included in the user positioning information specifically includes: the base station number corresponding to the resident cell is determined according to the cell identification code of the resident cell, the latitude and longitude information of the resident cell and the base station number corresponding to the resident cell.
Optionally, the user orientation information determining module 33 is adapted to:
and determining user azimuth information corresponding to the user positioning information according to the user longitude and latitude information of the unified standard in the user positioning information, the longitude and latitude information of a base station where the antenna feeder to be adjusted is located and the hanging height of the antenna feeder to be adjusted.
Optionally, the user orientation information corresponding to the user positioning information specifically includes: the azimuth angle of the user corresponding to the user positioning information relative to the antenna feeder to be adjusted, the downward inclination angle of the user corresponding to the user positioning information relative to the antenna feeder to be adjusted, and/or the distance between the user corresponding to the user positioning information and the base station where the antenna feeder to be adjusted is located.
Optionally, the user location information processing module 31 is further adapted to: acquiring user position information within preset time through the over-the-top service application; the over-the-top service application acquires the user position information through a POST method of an HTTP protocol and/or a GET method of the HTTP protocol.
The embodiment of the application provides a nonvolatile computer storage medium, wherein at least one executable instruction is stored in the computer storage medium, and the computer executable instruction can execute an antenna feeder adjusting method based on user position information in any method embodiment.
Fig. 4 is a schematic structural diagram of an electronic device according to an embodiment of the present invention, and the specific embodiment of the present invention does not limit the specific implementation of the electronic device.
As shown in fig. 4, the electronic device may include: a processor (processor) 402, a Communications Interface 404, a memory 406, and a Communications bus 408.
Wherein:
the processor 402, communication interface 404, and memory 406 communicate with each other via a communication bus 408.
A communication interface 404 for communicating with network elements of other devices, such as clients or other servers.
The processor 402 is configured to execute the program 410, and may specifically execute relevant steps in the above-described embodiment of the fault location method based on multiple levels of network nodes.
In particular, program 410 may include program code comprising computer operating instructions.
The processor 402 may be a central processing unit CPU, or an Application Specific Integrated Circuit ASIC (Application Specific Integrated Circuit), or one or more Integrated circuits configured to implement an embodiment of the present invention. The electronic device comprises one or more processors, which can be the same type of processor, such as one or more CPUs; or may be different types of processors such as one or more CPUs and one or more ASICs.
And a memory 406 for storing a program 410. Memory 406 may comprise high-speed RAM memory, and may also include non-volatile memory (non-volatile memory), such as at least one disk memory.
The program 410 may be specifically configured to cause the processor 402 to perform the operations in the above-described method embodiments.
The algorithms and displays presented herein are not inherently related to any particular computer, virtual machine, or other apparatus. Various general purpose systems may also be used with the teachings herein. The required structure for constructing such a system will be apparent from the description above. Moreover, the present invention is not directed to any particular programming language. It will be appreciated that a variety of programming languages may be used to implement the teachings of the invention as described herein, and any descriptions of specific languages are provided above to disclose the best mode of practicing the invention.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Similarly, it should be appreciated that in the foregoing description of exemplary embodiments of the invention, various features of the invention are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure and aiding in the understanding of one or more of the various inventive aspects. However, the disclosed method should not be interpreted as reflecting an intention that: that the invention as claimed requires more features than are expressly recited in each claim. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single foregoing disclosed embodiment. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of this invention.
Those skilled in the art will appreciate that the modules in the device in an embodiment may be adaptively changed and disposed in one or more devices different from the embodiment. The modules or units or components of the embodiments may be combined into one module or unit or component, and furthermore they may be divided into a plurality of sub-modules or sub-units or sub-components. All of the features disclosed in this specification (including any accompanying claims, abstract and drawings), and all of the processes or elements of any method or apparatus so disclosed, may be combined in any combination, except combinations where at least some of such features and/or processes or elements are mutually exclusive. Each feature disclosed in this specification (including any accompanying claims, abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise.
Furthermore, those skilled in the art will appreciate that while some embodiments herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the following claims, any of the claimed embodiments may be used in any combination.
The various component embodiments of the invention may be implemented in hardware, or in software modules running on one or more processors, or in a combination thereof. Those skilled in the art will appreciate that a microprocessor or Digital Signal Processor (DSP) may be used in practice to implement some or all of the functionality of some or all of the components in a system according to embodiments of the present invention. The present invention may also be embodied as apparatus or system programs (e.g., computer programs and computer program products) for performing a portion or all of the methods described herein. Such programs implementing the present invention may be stored on computer-readable media or may be in the form of one or more signals. Such a signal may be downloaded from an internet website, or provided on a carrier signal, or provided in any other form.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention can be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several systems, several of these systems may be embodied by one and the same item of hardware. The usage of the words first, second and third, etcetera do not indicate any ordering. These words may be interpreted as names.
Claims (8)
1. An antenna feeder adjusting method based on user position information comprises the following steps:
acquiring user location information of each user, specifically comprising: the method comprises the steps that user position information in preset time is obtained through a top-passing service application, and the top-passing service application obtains the user position information through a POST method of an HTTP protocol and/or a GET method of the HTTP protocol; preprocessing each user position information respectively to obtain user positioning information corresponding to each user position information; the user positioning information comprises resident cell information of a user;
screening user positioning information corresponding to a base station where an antenna feeder to be adjusted is located according to resident cell information contained in each user positioning information;
respectively aiming at each user positioning information screened out, determining user azimuth information corresponding to the user positioning information according to the position information of the antenna feeder to be adjusted;
determining an expected adjustment azimuth angle and an expected adjustment downward inclination angle of the antenna feeder to be adjusted according to user azimuth information corresponding to the screened user positioning information, and adjusting the antenna feeder to be adjusted according to the expected adjustment azimuth angle and the expected adjustment downward inclination angle;
when the expected adjustment azimuth angle and the expected adjustment downtilt angle are the best overall coverage rate of the cell and/or the best overall performance of the cell, the azimuth angle and the downtilt angle of the antenna feeder to be adjusted rotate;
the determining the user azimuth information corresponding to the user positioning information according to the position information of the antenna feeder to be adjusted comprises the following steps:
determining the distance Dn between a user corresponding to the user positioning information and the base station where the antenna feeder to be adjusted is located according to the longitude and latitude information of the user in the user positioning information and the longitude and latitude information of the base station where the antenna feeder to be adjusted is located;
determining a downward inclination angle theta n of a user corresponding to the user positioning information relative to the antenna feeder to be adjusted according to the distance Dn and the hanging height of the antenna feeder to be adjusted;
determining an azimuth angle phi n of a user corresponding to the user positioning information relative to the antenna feeder to be adjusted according to the longitude and latitude information of the user in the user positioning information and the longitude and latitude information of a base station where the antenna feeder to be adjusted is located;
and, the desired adjustment azimuth angle and the desired adjustment downtilt angle are obtained according to any one of the following ways:
(1) Determining an expected adjustment azimuth angle and an expected adjustment downward inclination angle according to a reference signal receiving level value of a resident cell corresponding to the user positioning information and a reference signal receiving level value of an adjacent cell corresponding to the user positioning information after the antenna feeder is adjusted from the angle of the optimal overall coverage rate of the expected cell; the calculation formula is as follows:
wherein, RSRP-Ser n Receiving a level value for a reference signal of a resident cell where a user n is located; RSRP-Nei max n The maximum neighbor cell reference signal receiving level value of the user n; f (phi) n + phi) is the antenna gain of phi user n after the azimuth rotation; h (theta) n + theta) is the antenna gain of theta user n after the downward inclination angle is rotated; phi is a unit of 0 And theta 0 Adjusting the azimuth angle and the downtilt angle for the desired adjustment; alternatively, the first and second electrodes may be,
(2) Determining an expected adjustment azimuth angle and an expected adjustment downward inclination angle from the angle of the best overall performance of the expected cell according to the weight of the user corresponding to the user positioning information, the path loss of the user and the antenna gain corresponding to the user positioning information after the antenna feeder is adjusted; the calculation formula is as follows:
wherein, ω is n Is the weight of user n, l n Path loss for user n, f (phi) n + phi) is the antenna gain of phi user n after the azimuth rotation; h (theta) n + θ) is the antenna gain of θ user n after downtilt rotation.
2. The method according to claim 1, wherein determining the desired adjustment azimuth angle and the desired adjustment downtilt angle of the antenna feeder to be adjusted according to the user orientation information corresponding to the screened user positioning information specifically comprises:
determining an expected adjustment azimuth angle and an expected adjustment downward inclination angle according to the reference signal receiving level value of the resident cell corresponding to the user positioning information and the reference signal receiving level value of the adjacent cell corresponding to the user positioning information after the antenna feeder is adjusted; and/or the presence of a gas in the gas,
and determining an expected adjustment azimuth angle and an expected adjustment downward inclination angle according to the weight of the user corresponding to the user positioning information, the path loss of the user corresponding to the user positioning information and the antenna gain corresponding to the user positioning information after the antenna feeder is adjusted.
3. The method according to claim 1, wherein the step of obtaining the user location information of each user, and the step of performing the pre-processing on the user location information specifically comprises:
converting the acquired user position information of each user according to a preset geographic coordinate system to obtain unified and standard user longitude and latitude information;
generating user positioning information corresponding to the user position information according to a preset base station database and the user longitude and latitude information of the unified standard;
the user positioning information specifically includes: and the longitude and latitude information of the user with the unified standard and the resident cell information of the user.
4. The method according to claim 1 or 3, wherein the information about the camping cell where the user is located, which is included in the user positioning information, specifically includes: the base station number corresponding to the resident cell is determined according to the cell identification code of the resident cell, the latitude and longitude information of the resident cell and/or the base station number corresponding to the resident cell.
5. The method according to claim 1, wherein the user orientation information corresponding to the user positioning information specifically includes: the azimuth angle of the user corresponding to the user positioning information relative to the antenna feeder to be adjusted, the downward inclination angle of the user corresponding to the user positioning information relative to the antenna feeder to be adjusted, and/or the distance between the user corresponding to the user positioning information and the base station where the antenna feeder to be adjusted is located.
6. An antenna feeder adjusting device based on user position information, comprising:
the user location information processing module is suitable for acquiring user location information of each user, and specifically comprises: the method comprises the steps that user position information in preset time is obtained through a top-passing service application, and the top-passing service application obtains the user position information through a POST method of an HTTP protocol and/or a GET method of the HTTP protocol; preprocessing each user position information respectively to obtain user positioning information corresponding to each user position information; the user positioning information comprises resident cell information of a user;
the user positioning information screening module is suitable for screening user positioning information corresponding to a base station where the antenna feeder to be adjusted is located according to resident cell information contained in each user positioning information;
the user direction information determining module is suitable for determining user direction information corresponding to the user positioning information according to the position information of the antenna feeder to be adjusted aiming at each piece of screened user positioning information;
the azimuth angle and downtilt calculation module is suitable for determining an expected adjustment azimuth angle and an expected adjustment downtilt angle of the antenna feeder to be adjusted according to user azimuth information corresponding to the screened user positioning information, and adjusting the antenna feeder to be adjusted according to the expected adjustment azimuth angle and the expected adjustment downtilt angle; when the expected adjustment azimuth angle and the expected adjustment downtilt angle are the best overall coverage rate of the cell and/or the best overall performance of the cell, the azimuth angle and the downtilt angle of the antenna feeder to be adjusted rotate;
wherein, the determining the user azimuth information corresponding to the user positioning information according to the position information of the antenna feeder to be adjusted comprises:
determining the distance Dn between a user corresponding to the user positioning information and the base station where the antenna feeder to be adjusted is located according to the longitude and latitude information of the user in the user positioning information and the longitude and latitude information of the base station where the antenna feeder to be adjusted is located;
determining a downward inclination angle theta n of a user corresponding to the user positioning information relative to the antenna feeder to be adjusted according to the distance Dn and the hanging height of the antenna feeder to be adjusted;
determining an azimuth angle phi n of a user corresponding to the user positioning information relative to the antenna feeder to be adjusted according to the longitude and latitude information of the user in the user positioning information and the longitude and latitude information of a base station where the antenna feeder to be adjusted is located;
and, the desired adjustment azimuth angle and the desired adjustment downtilt angle are obtained according to any one of the following ways:
(1) Determining an expected adjustment azimuth angle and an expected adjustment downward inclination angle according to a reference signal receiving level value of a resident cell corresponding to the user positioning information and a reference signal receiving level value of an adjacent cell corresponding to the user positioning information after the antenna feeder is adjusted from the angle of the optimal overall coverage rate of the expected cell; the calculation formula is as follows:
wherein, RSRP-Ser n Receiving a level value for a reference signal of a resident cell where a user n is located; RSRP-Nei max n The maximum neighbor cell reference signal receiving level value of the user n; f (phi) n + phi) is the antenna gain for phi user n after azimuth rotation; h (theta) n + theta) is antenna gain of theta user n after downward inclination angle rotation；φ 0 And theta 0 Adjusting the azimuth angle and the downtilt angle for the desired adjustment; alternatively, the first and second liquid crystal display panels may be,
(2) From the angle of the best overall performance of the expected cell, determining an expected adjustment azimuth angle and an expected adjustment downward inclination angle according to the weight of a user corresponding to the user positioning information, the path loss of the user and the antenna gain corresponding to the user positioning information after the antenna feed adjustment; the calculation formula is as follows:
wherein, ω is n Is the weight of user n, l n Path loss for user n, f (phi) n + phi) is the antenna gain of phi user n after the azimuth rotation; h (theta) n + θ) is the antenna gain of θ user n after downtilt rotation.
7. An electronic device, comprising: the system comprises a processor, a memory, a communication interface and a communication bus, wherein the processor, the memory and the communication interface complete mutual communication through the communication bus;
the memory is used for storing at least one executable instruction, and the executable instruction causes the processor to execute the operation corresponding to the antenna feeder adjusting method based on the user position information in any one of claims 1-5.
8. A computer storage medium having at least one executable instruction stored therein, the executable instruction causing a processor to perform operations corresponding to the method for adjusting an antenna feeder based on user location information according to any one of claims 1 to 5.
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