CN107835485B - Weighted base station position deviation rectifying method based on base station position credibility in user call ticket data - Google Patents

Weighted base station position deviation rectifying method based on base station position credibility in user call ticket data Download PDF

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CN107835485B
CN107835485B CN201710975671.3A CN201710975671A CN107835485B CN 107835485 B CN107835485 B CN 107835485B CN 201710975671 A CN201710975671 A CN 201710975671A CN 107835485 B CN107835485 B CN 107835485B
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base station
information
credibility
base stations
time
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CN107835485A (en
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曹万鹏
林绍福
罗云彬
徐青
史辉
李鹏
李�浩
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Beijing University of Technology
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Beijing University of Technology
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/025—Services making use of location information using location based information parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • H04W64/003—Locating users or terminals or network equipment for network management purposes, e.g. mobility management locating network equipment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • H04W64/006—Locating users or terminals or network equipment for network management purposes, e.g. mobility management with additional information processing, e.g. for direction or speed determination

Abstract

The invention discloses a weighted base station position deviation rectifying method based on base station position credibility in user call bill big data, which comprises the following steps: (1) for a base station with doubtful longitude and latitude information, searching all telephone number information connected with the base station in the large call ticket data; (2) analyzing the call ticket data of the numbers within a preset time range for connecting the base station, and further giving information of the numbers for connecting other base stations; (3) for the base station, the credibility of the base station is given according to the time interval between the number connected with the base station and the data longitude and latitude information of the upper and lower base stations as a measure; (4) and taking the credibility as the weight of the position information of the base stations around the base station to carry out weighted estimation on longitude and latitude information of the suspicious base station.

Description

Weighted base station position deviation rectifying method based on base station position credibility in user call ticket data
Technical Field
The invention belongs to a statistical learning theory, and particularly relates to a weighted base station position deviation rectifying method based on base station position credibility in user call ticket data.
Background
The telecommunication operator bill big data contains the access base station information of the current call, and the base station information is manually input in advance by a base station maintainer, tabulated and stored in a server side. These data often cause erroneous data input due to carelessness of the input person, and therefore often carry unavoidable erroneous information.
The existence of such error information often causes many problems for the base station maintenance of the telecommunication operator, the user service, etc., and seriously affects the use experience of the end user, so that it is necessary to correct the error location information of the base station by proper technical means. Clearly, the manual correction of the above information is burdensome and clumsy.
Based on the method, the invention provides a weighted base station position deviation rectifying method based on the base station position credibility in the user call bill big data, and the base station with doubtful position is found through massive user call bill big data information. Then, according to the analysis and excavation of the big data of the call ticket, a proper method for estimating the position of the in-doubt base station is provided.
Disclosure of Invention
A method for correcting the position of a weighted base station based on the reliability of the position of the base station in user call bill data is provided aiming at error information possibly introduced in manual input of the base station data.
A method for correcting the position of a weighted base station based on the reliability of the position of the base station in the big data of a user call bill comprises the following steps:
(1) for a base station with doubtful longitude and latitude information, searching all telephone number information connected with the base station in the large call ticket data;
(2) analyzing the call ticket data of the numbers within a certain time range (for example, within the front half hour and the back half hour or within 1 hour) for connecting the base station, and further providing information of the numbers for connecting other base stations;
(3) for the base station, the credibility of the base station is given according to the time interval between the number connected with the base station and the data longitude and latitude information of the upper and lower base stations as a measure;
(4) and taking the credibility as the weight of the position information of the base stations around the base station to carry out weighted estimation on longitude and latitude information of the suspicious base station.
Compared with the prior art, the invention has the following obvious advantages and beneficial effects:
(1) the invention provides a method for correcting the position of a weighted base station based on the position credibility of the base station in user call bill big data.
(2) The invention weights the longitude and latitude data of different base stations in the set according to the credibility measurement value, and overcomes the original traditional method of giving completely same weight values to the longitude and latitude of different base stations in the set to estimate the position of the suspicious base station.
(3) The invention sets the self-adaptive weight for the geographic information of the base stations in the set according to the credibility of different base stations, ensures that the position correction work of the in-doubt base station is automatically completed when the weight of the base station jumps into the position of the current in-doubt base station, and ensures the accurate repair of a large amount of in-doubt data.
Drawings
FIG. 1 is a functional block diagram of a weighted base station position deviation rectifying method based on base station position credibility in user ticket data according to the present invention;
Detailed Description
The invention is further described with reference to the following figures and detailed description.
As shown in fig. 1, the present invention provides a method for correcting a position of a weighted base station based on a base station position reliability in user call ticket big data, which comprises the following steps:
(1) searching and tabulating the telephone number of the base station in question in the big data of the telephone bill within a certain time T
Establishing an in-doubt base station list B for all base stations marked with deviation rectification in the large call ticket data1Selecting all telephone numbers connected with the base station within a certain time (for example, 60 minutes before and after) from an oracle database, using a select statement to inquire, and giving a form P of all telephones connected with the base station in the time1；
(2) Telephone number connection base station information extraction within a certain time period
For theP1Each telephone number takes the doubt base station as a reference base station to connect with the reference base station at a time point toFor reference time, two base stations connected most recently before and after the reference base station are searched (b)i，bj) And establishing a base station set B2Respectively extracting longitude and latitude information lo and la of the base stations;
(3) time interval calculation
Calculating P1The connection time of each telephone number with the previous and the next base station connected with the suspicion base station and the reference time toDifference is made to obtain 2 time intervals delta ti，Δtj；
(4) Filtering statistical information of base station not meeting condition
For a given time interval threshold T, e.g. Δ TiOr Δ tjIf the value is larger than the threshold value, the statistical information of the two base stations is abandoned, otherwise, the statistical information is added into a statistical set B of the final calculation of the reliability information of the base stationsfThe set stores a series of base station information and a time interval delta t for switching a series of corresponding telephone numbers from different base stations to a reference base station;
(5) credibility calculation of different base stations
For the above base station set BfThe time difference between the connection of each telephone number to the current base station and the connection to the reference base station (suspect base station) is used as the confidence measure of the base station (confidence calculation: time interval between the connection of a certain number to the reference base station and the switching to the immediately preceding and following base stations, delta ti，Δtj. If the x minutes after connecting the suspected base stations and the y minutes before connecting the suspected base stations are connected with the two base stations, the natural index is taken as the reliability measurement of the two base stations and respectively defined as e ^ (minus x/60)) and e ^ (minus y/60)), the information of all the base stations is counted, and the relevant statistics is obtained;
(6) interference data removal
Because the call ticket statistical information in the telecommunication call ticket data inevitably has a certain amount of errors (mainly time recording errors caused by various reasons, such as time delay errors and data recording errors)Data transmission errors, etc.), so to improve the suppression effect on errors and remove interference data, a median denoising method is adopted. For example, the credibility calculated by different times of a certain base station is respectively C in descending order1，C2，C3，...,CnTaking the median of the credibility of the base station as the overall credibility measurement of the base station;
(7) base station longitude and latitude weighted calculation based on credibility measurement
Taking the reliability as the weight w of the position information of different base stations in the base station set, and performing weighted calculation on the longitude and latitude information of the suspected base station, wherein the longitude, latitude Lo and La of the suspected base station are respectively as follows:
Lo＝Σwi·loi/n
La＝Σwi·lai/n
the invention relates to a weighted base station position deviation rectifying method based on base station position credibility in user call bill big data, which comprises the following steps: 1. for a base station with doubtful longitude and latitude information, searching all telephone numbers connected with the base station in the large call ticket data; 2. analyzing the context information of other base stations connected with the number within a certain time range of the base station (for example, the time point of the current doubtful base station is the time zero point, and the time before and after the doubtful base station is connected is 1 hour) aiming at the number; 3. establishing a set of nearby base stations aiming at the base stations, taking the time difference measurement between each telephone number connection current base station and connection suspicion base station as the credibility measurement of the base station (credibility calculation: the ratio of the time zero point and the time span of the time distance between the number connection current base station and the connection suspicion base station, if the number connection suspicion base station is connected with the base station in the x minutes and the previous y minutes, the credibility of the two base stations are respectively e ^ (x/60)) and e ^ (y/60)), counting the above information of all the base stations, obtaining relevant statistics, taking the median of the previous n bit data as the credibility measurement of the whole base station for improving the error inhibition and removing the interference data, and 4, taking the credibility as the weight of the position information of different base stations in the set of the base stations, and taking the median of the channel passing suspicion base station as the credibility measurement of, And carrying out weighted calculation on the latitude information. The invention provides a method for correcting the position of a weighted base station based on the reliability of the position of the base station in user ticket data based on the reliability measurement of longitude and latitude information of different base stations in a user terminal connection base station. The credibility of different base stations in the estimation of the current base station position is given by mining, analyzing and calculating the context information of the connected base stations in the user call ticket, and the longitude and latitude estimated values of the current doubt base station are given as the weight information of weighted calculation, so that the longitude and latitude estimation of the base station with higher credibility can be realized, and the longitude and latitude estimation of the doubt base station is achieved.

Claims (1)

1. A method for correcting the position of a weighted base station based on the reliability of the position of the base station in the big data of a user call bill is characterized by comprising the following steps:
(1) searching and tabulating the telephone number of the doubtful base station connection in the large call bill data within a certain time T;
(2) telephone number connection base station information extraction within a certain time period
Form P of all telephones connected to the base station for this period of time1Each telephone number takes the doubt base station as a reference base station to connect with the reference base station at a time point toFor reference time, two base stations connected most recently before and after the reference base station are searched (b)i，bj) And establishing a base station set B2Respectively extracting longitude and latitude information lo and la of the base stations;
(3) time interval calculation
Calculating P1The connection time of each telephone number with the previous and the next base station connected with the suspicion base station and the reference time toDifference is made to obtain 2 time intervals delta ti，Δtj；
(4) Filtering statistical information of base station not meeting condition
For a given time interval threshold T, e.g. Δ TiOr Δ tjIf the value is larger than the threshold value, the statistical information of the two base stations is abandoned, otherwise, the statistical information is added into a statistical set B of the final calculation of the reliability information of the base stationsfThis set maintains a list of base stationsThe time interval delta t for switching the information and a series of corresponding telephone numbers from different base stations to a reference base station;
(5) credibility calculation of different base stations
For the above base station set BfTaking the time difference value measurement between the current base station and the reference base station (in-doubt base station) connected by each telephone number as the credibility measurement of the base station; connecting the suspected base stations with the two base stations x minutes after and y minutes before the suspected base station, adopting natural indexes as the credibility metrics of the two base stations, respectively defining the natural indexes as e ^ (x/60)) and e ^ (y/60)), counting the information of all the base stations, and obtaining relevant statistics;
(6) removing the error of the bill statistical information in the telecommunication bill data;
(7) base station longitude and latitude weighted calculation based on credibility measurement
Taking the reliability as the weight w of the position information of different base stations in the base station set, and performing weighted calculation on the longitude and latitude information of the suspected base station, wherein the longitude, latitude Lo and La of the suspected base station are respectively as follows:
Lo＝Σwi·loi/n
La＝Σwi·lai/n
wherein n is the number of times of the base station calculating the credibility.
CN201710975671.3A 2017-10-19 2017-10-19 Weighted base station position deviation rectifying method based on base station position credibility in user call ticket data Active CN107835485B (en)

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CN109561480B (en) * 2018-12-26 2021-03-19 中国联合网络通信集团有限公司 Base station position deviation rectifying method and system

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