CN115706927A - Base station position calibration method based on co-occurrence transfer matrix - Google Patents
Base station position calibration method based on co-occurrence transfer matrix Download PDFInfo
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- CN115706927A CN115706927A CN202110901178.3A CN202110901178A CN115706927A CN 115706927 A CN115706927 A CN 115706927A CN 202110901178 A CN202110901178 A CN 202110901178A CN 115706927 A CN115706927 A CN 115706927A
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Abstract
The invention relates to the technical field of base stations, and discloses a base station position calibration method based on a co-occurrence transfer matrix, which comprises the following steps: s1: carrying out measurement on the site where the base station is installed; s2: uniformly distributing and installing the base stations in an area (the number of the base stations in the area is more than three groups); s3: establishing a reference station through a base station; s4: obtaining fixed connection and conversion parameters through the establishment of a reference station; s5: when the position of the base station is calibrated, the carrier observed value and the coordinate information of the observation station of the reference station which synchronously acquires the same signal are returned through a data link; s6: then the rough coordinate is transmitted back to the control center; s7: by combining the control center with the data of the surrounding remembered base stations, the invention forms a base station network based on the three groups of base stations, the three groups of reference data of the base station network are accurate, and then the position information of the base station to be subjected to position calibration is determined, so that the error is relatively small, and the accuracy is higher.
Description
Technical Field
The invention relates to the technical field of base stations, in particular to a base station position calibration method based on a co-occurrence transfer matrix.
Background
A base station, i.e. a public mobile communication base station, is an interface device for a mobile device to access the internet, and is a form of a radio station, which is a radio transceiver station for information transmission with a mobile phone terminal through a mobile communication switching center in a certain radio coverage area. The construction of mobile communication base stations is an important part of the investment of mobile communication operators, and is generally carried out around the factors of coverage, call quality, investment benefit, difficult construction, convenient maintenance and the like.
The position needs position calibration in the base station building process, because some objective reasons, such as orbit error, clock error and atmospheric error, or base station equipment damages and software in the base station damages again, lead to the base station to carry out the position and carry out the problem and need recalibrate, and the calibration of base station is great if the error, cause a lot of errors for a lot of work or information feedback, traditional base station position calibration, mostly adopt the position correction of base station self, but its reference number is too single, lead to it probably not big with the difference between the single reference station, and with the too big problem of other reference station differences.
Therefore, the base station position calibration method based on the co-occurrence transfer matrix is provided, the three groups of reference numbers of the base station network formed by the three groups of reference stations are accurate, and the position information of the base station to be subjected to position calibration is determined, so that the error is relatively small, and the accuracy is higher.
Disclosure of Invention
The invention aims to provide a base station position calibration method based on a co-occurrence transfer matrix, which solves the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a base station position calibration method based on a co-occurrence transfer matrix comprises the following steps:
s1: carrying out measurement on the site where the base station is installed;
s2: uniformly distributing and installing the base stations in an area (the number of the base stations in the area is more than three groups);
s3: establishing a reference station through a base station;
s4: obtaining fixed connection and conversion parameters through the establishment of a reference station;
s5: when the position of the base station is calibrated, the carrier observed value and the coordinate information of the observation station of the reference station which synchronously acquires the same signal are transmitted back through a data link;
s6: then the approximate coordinate is transmitted back to the control center;
s7: combining data of the surrounding remembered reference stations through the control center;
s8: the control center sends the observation value back to the calibration base station, so that the position of the base station can be accurately corrected.
In a preferred embodiment of the present invention, a dual-band-wavelength GPS receiver is disposed in the reference station to provide dual-band observations.
As a preferred embodiment of the present invention, the coordinates of the base station probability to be position-calibrated can be calculated by combining the wide-area difference and the local-area difference of the reference station.
In a preferred embodiment of the present invention, the observation value of the base station to be position-calibrated is calculated by performing base point network adjustment on the data collected by the control center, and is transmitted to the base station to be position-calibrated.
In a preferred embodiment of the present invention, the control center determines that the base station to be position-calibrated is located within the range of three groups of reference stations in the area formed by the reference stations according to the approximate coordinates sent back by the base station.
Compared with the prior art, the invention has the following beneficial effects:
the invention can greatly improve the positioning accuracy of the base station to be position calibrated by using the three groups of reference stations as fixed points and carrying out position calibration on the base station to be position calibrated.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is an overall schematic diagram of a base station position calibration method based on a co-occurrence transfer matrix according to the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 1, the present invention provides a technical solution: a base station position calibration method based on a co-occurrence transfer matrix comprises the following steps:
s1: carrying out measurement on the site where the base station is installed;
s2: base stations are uniformly distributed and installed in one area (the number of the base stations in the area is more than three groups);
s3: establishing a reference station through a base station;
s4: obtaining fixed connection and conversion parameters through the establishment of a reference station;
s5: when the position of the base station is calibrated, the carrier observed value and the coordinate information of the observation station of the reference station which synchronously acquires the same signal are transmitted back through a data link;
s6: then the approximate coordinate is transmitted back to the control center;
s7: combining data of the surrounding remembered reference stations through the control center;
s8: the control center sends the observation value back to the calibration base station, so that the position of the base station can be accurately corrected.
In a preferred embodiment of the present invention, a dual-band wavelength GPS receiver is disposed in the reference station to provide dual-band observations.
In this embodiment (please refer to fig. 1), the coordinates of the probability of the base station to be calibrated can be calculated by combining the wide area difference and the local area difference of the reference station.
In this embodiment (please refer to fig. 1), the observation value of the base station to be position-calibrated is calculated by performing the base point network adjustment on the data collected by the control center, and is sent to the base station to be position-calibrated.
In this embodiment (please refer to fig. 1), the control center determines that the base station to be calibrated is located within the range of three groups of reference stations in the area formed by the reference stations according to the approximate coordinates sent back by the base station.
Detailed description of the preferred embodiment 1
The method for calibrating the position of the base station based on the co-occurrence transfer matrix comprises the following steps:
s1: carrying out measurement on the site where the base station is installed;
s2: base stations are uniformly distributed and installed in one area (the number of the base stations in the area is more than three groups);
s3: establishing a reference station through a base station;
s4: obtaining fixed connection and conversion parameters through the establishment of a reference station;
s5: when the position of the base station is calibrated, the carrier observed value and the coordinate information of the observation station of the reference station which synchronously acquires the same signal are returned through a data link;
s6: then the rough coordinate is transmitted back to the control center;
s7: the data of the reference station is memorized by the control center in combination with the periphery;
s8: the control center sends the observation value back to the calibration base station, so that the position of the base station can be accurately corrected.
Wherein, a double-frequency-circle wavelength GPS receiver is configured in the reference station, and can provide double-frequency observation values.
The coordinates of the probability of the base station to be positioned and calibrated can be calculated by combining the wide area difference and the local area difference of the reference station.
The observation value of the base station to be subjected to position calibration is calculated by performing base point network adjustment on data collected by the control center, and is sent to the base station to be subjected to position calibration.
The control center judges that the base station to be positioned and calibrated is positioned in the range of three groups of reference stations in the area formed by the reference stations according to the approximate coordinates sent back by the base stations.
After a base station is built, after parameter calculation is completed, position calibration is carried out, point source coordinates are obtained by checking the base station, ten times of data are collected, known points are input into the known point coordinates, a check result is obtained by calculation, dN, dE and dZ are correction numbers for checking, the current point is a coordinate after checking correction, measurement is carried out, data are stored, the calculated correction amount is applied, the stored parameters are cancelled, and finally the calculated parameters are corrected.
Specific example 2
The method for calibrating the position of the base station based on the co-occurrence transfer matrix comprises the following steps:
s1: carrying out measurement on the site where the base station is installed;
s2: base stations are uniformly distributed and installed in one area (the number of the base stations in the area is more than three groups);
s3: establishing a reference station through a base station;
s4: obtaining fixed connection and conversion parameters through the establishment of a reference station;
s5: when the position of the base station is calibrated, the carrier observed value and the coordinate information of the observation station of the reference station which synchronously acquires the same signal are transmitted back through a data link;
s6: then the rough coordinate is transmitted back to the control center;
s7: combining data of the surrounding remembered reference stations through the control center;
s8: the control center sends the observation value back to the calibration base station, so that the position of the base station can be accurately corrected.
Wherein, a double-frequency-circle wavelength GPS receiver is configured in the reference station, and can provide double-frequency observation values.
The coordinates of the probability of the base station to be positioned and calibrated can be calculated by combining the wide area difference and the local area difference of the reference station.
The observation value of the base station to be subjected to position calibration is calculated by performing base point network adjustment on data collected by the control center, and is sent to the base station to be subjected to position calibration.
The control center judges that the base station to be positioned and calibrated is positioned in the range of three groups of reference stations in the area formed by the reference stations according to the approximate coordinates sent back by the base stations.
After a base station is built, the position of the base station deviates after power failure, after conversion parameters are calculated, the base station is calibrated through a platform after the base station obtains a fixed solution, calibration is carried out by using mark points, data calling is carried out, control points needing to be used are selected from a coordinate point library, measurement, centering and leveling are carried out, then measurement is carried out, machine parameters are recalculated and input, and then calculation is carried out to complete position correction.
Specific example 3
The base station position calibration method based on the co-occurrence transfer matrix comprises the following steps:
s1: carrying out measurement on the site where the base station is installed;
s2: base stations are uniformly distributed and installed in one area (the number of the base stations in the area is more than three groups);
s3: establishing a reference station through a base station;
s4: obtaining fixed connection and conversion parameters through the establishment of a reference station;
s5: when the position of the base station is calibrated, the carrier observed value and the coordinate information of the observation station of the reference station which synchronously acquires the same signal are transmitted back through a data link;
s6: then the approximate coordinate is transmitted back to the control center;
s7: combining data of the surrounding remembered reference stations through the control center;
s8: the control center sends the observation value back to the calibration base station, so that the position of the base station can be accurately corrected.
And a double-frequency-ring wavelength GPS receiver is arranged in the reference station, and can provide a double-frequency observation value.
The coordinates of the probability of the base station to be positioned and calibrated can be calculated by combining the wide area difference and the local area difference of the reference station.
The observation value of the base station to be subjected to position calibration is calculated by performing base point network adjustment on the data collected by the control center, and is sent to the base station to be subjected to position calibration.
The control center judges that the base station to be positioned and calibrated is positioned in the range of three groups of reference stations in the area formed by the reference stations according to the approximate coordinates sent back by the base stations.
The base station to be positioned and calibrated is positioned in a large area, a triangular reference station network is formed by three groups of reference stations, the base station to be positioned and calibrated sends an observation value, the three groups of reference stations synchronously receive signals, the carrier observation value and the base station coordinate information to be positioned and calibrated are transmitted back to a control center through a reference station data chain, the observation value is mechanically differentiated in a relative positioning mode, the influence caused by orbit error, clock error and atmospheric error can be partially weakened, the wide area difference and the local area difference of the reference stations are combined, the probability coordinate of the base station to be positioned and calibrated can be calculated, the control center carries out network adjustment on the data collected by the three groups of reference stations to calculate the observation value of the base station to be positioned and calibrated, and the observation value is sent back to the base station to be positioned and calibrated.
When the method for calibrating the position of the base station based on the co-occurrence transfer matrix is used, it should be noted that the method for calibrating the position of the base station based on the co-occurrence transfer matrix is provided, all the components are universal standard components or components known by those skilled in the art, and the structure and principle of the method can be known by technical manuals or conventional experimental methods.
When in use, the site where the base station is installed is measured; base stations are uniformly distributed and installed in one area (the number of the base stations in the area is more than three groups); establishing a reference station through a base station; obtaining fixed connection and conversion parameters through the establishment of a reference station; when the position of the base station is calibrated, the carrier observed value and the coordinate information of the observation station of the reference station which synchronously acquires the same signal are returned through a data link; then the approximate coordinate is transmitted back to the control center; combining data of the surrounding remembered reference stations through the control center; the control center sends the observation value back to the calibration base station, so that the position of the base station can be accurately corrected.
Wherein, a double-frequency-circle wavelength GPS receiver is configured in the reference station, and can provide double-frequency observation values.
The coordinates of the probability of the base station to be positioned and calibrated can be calculated by combining the wide area difference and the local area difference of the reference station.
The observation value of the base station to be subjected to position calibration is calculated by performing base point network adjustment on the data collected by the control center, and is sent to the base station to be subjected to position calibration.
The control center judges that the base station to be positioned and calibrated is positioned in the range of three groups of reference stations in the area formed by the reference stations according to the approximate coordinates sent back by the base stations.
The base station to be position calibrated is located in a large area, a triangular reference station network is formed by three groups of reference stations, then an observation value is sent by the base station to be position calibrated, simultaneously the three groups of reference stations synchronously receive signals, the carrier observation value and the base station coordinate information to be position calibrated are transmitted back to a control center through a reference station data chain, the observation value is mechanically differentiated in a relative positioning mode, the influence caused by orbit error, clock error and atmospheric error can be partially weakened, the wide area difference and the local area difference of the reference stations are combined, the probability coordinate of the base station to be position calibrated can be calculated, the control center carries out network adjustment on the data collected by the three groups of reference stations to calculate the observation value of the base station to be position calibrated, and then the observation value is sent back to the base station to be position calibrated.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. A base station position calibration method based on a co-occurrence transfer matrix is characterized in that the base station position calibration method based on the co-occurrence transfer matrix comprises the following steps:
s1: carrying out measurement on the site where the base station is installed;
s2: uniformly distributing and installing the base stations in an area (the number of the base stations in the area is more than three groups);
s3: establishing a reference station through a base station;
s4: obtaining fixed connection and conversion parameters through the establishment of a reference station;
s5: when the position of the base station is calibrated, the carrier observed value and the coordinate information of the observation station of the reference station which synchronously acquires the same signal are transmitted back through a data link;
s6: then the approximate coordinate is transmitted back to the control center;
s7: combining data of the surrounding remembered reference stations through the control center;
s8: the control center sends the observation value back to the calibration base station, so that the position of the base station can be accurately corrected.
2. The method of claim 1, wherein the base station position calibration method based on the co-occurrence transfer matrix comprises: a double-frequency-ring wavelength GPS receiver is arranged in the reference station and can provide double-frequency observation values.
3. The method of claim 1, wherein the base station position calibration method based on the co-occurrence transfer matrix comprises: the coordinates of the probability of the base station to be position-calibrated can be calculated by combining the wide-area difference and the local-area difference of the reference station.
4. The method of claim 1, wherein the base station position calibration method based on the co-occurrence transfer matrix comprises: and performing base point network adjustment on the data collected by the control center to calculate a base station ground observation value to be subjected to position calibration, and sending the base station ground observation value to be subjected to position calibration.
5. The method of claim 1, wherein the base station position calibration method based on the co-occurrence transfer matrix comprises: and the control center judges that the base station to be positioned and calibrated is positioned in the range of three groups of reference stations in the area formed by the reference stations according to the approximate coordinates sent back by the base station.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117042125A (en) * | 2023-10-09 | 2023-11-10 | 北京九栖科技有限责任公司 | Base station position calibration method and system based on graph variation self-encoder |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117042125A (en) * | 2023-10-09 | 2023-11-10 | 北京九栖科技有限责任公司 | Base station position calibration method and system based on graph variation self-encoder |
| CN117042125B (en) * | 2023-10-09 | 2023-12-15 | 北京九栖科技有限责任公司 | Base station position calibration method and system based on graph variation self-encoder |
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