CN109862613B - Method and device for determining center of base station sector - Google Patents
Method and device for determining center of base station sector Download PDFInfo
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- CN109862613B CN109862613B CN201711235122.9A CN201711235122A CN109862613B CN 109862613 B CN109862613 B CN 109862613B CN 201711235122 A CN201711235122 A CN 201711235122A CN 109862613 B CN109862613 B CN 109862613B
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Abstract
The invention discloses a method and a device for determining a base station sector center, which relate to the technical field of mobile communication services, and the method comprises the following steps: collecting positioning information of a plurality of mobile terminals, wherein the positioning information comprises base station sector information and GPS information; determining a plurality of target mobile terminals located in a target base station sector according to base station sector information in the collected positioning information of the plurality of mobile terminals; and determining the sector center of the target base station according to the GPS information of the target mobile terminals.
Description
Technical Field
The present invention relates to the field of mobile communication service technologies, and in particular, to a method and an apparatus for determining a center of a sector of a base station.
Background
Mobile positioning is an emerging service, which combines the characteristics of mobile network and positioning, and can provide location services for users through mobile phone terminals. With the increasing popularization of smart phones, more and more users are used to use positioning services, such as map navigation, which are used to in daily life and work through mobile phone terminals.
The base station data is key data in the service of an operator, and is one of core data of a mobile network, and a terminal can only carry out conversation and data communication by attaching to a certain base station. The quality of the mobile communication service and the quality of the positioning service to the user are determined by the setting quality of the base station. In the actual use process, one base station is divided into 3 120-degree sectors, and the service quality is improved through the directional mode.
In mobile location services, sector data needs to be employed. The rough positioning is to obtain the current position of the user by obtaining the sector where the user is currently located and then obtaining the current position of the user through an algorithm according to longitude and latitude data of the center of the sector, a coverage radius (MAR (maximum Antenna Range)) value and the like. Therefore, the accuracy of sector data also affects the accuracy and accuracy of mobile positioning, and particularly the sector center parameters have a great influence. However, with the development of mobile communication, the sector data and the corresponding problem of sector location are gradually revealed: at present, the longitude and latitude of the sector center of many areas are derived through tools according to the MAR value of the sector, the direction angle, the field angle and the like, the adopted MAR value is not the actual coverage distance of the sector, if some areas directly fill in empirical values, some areas are obtained through initial calculation of the tools, the MAR value data obtained from the result on the whole is much larger than the actual coverage distance of the sector, and the difference between the calculated sector center and the actual coverage center is larger. The rough positioning has higher overall positioning error due to the fact that the longitude and latitude of the sector center which is not in accordance with the actual situation are used.
The above-mentioned problems can be solved by analysis to conclude that: the root cause of these problems is because sector data is very important in current mobile communications, but there is a lack of an effective method for improving the accuracy of sector data and evaluating the validity of sector data. Inaccurate sector data or untimely updating leads to the related problems of reduced sector positioning precision and the like.
Disclosure of Invention
The technical problem solved by the scheme provided by the embodiment of the invention is that the sector positioning precision is reduced due to inaccurate sector data or untimely updating.
The method for determining the center of the sector of the base station provided by the embodiment of the invention comprises the following steps:
collecting positioning information of a plurality of mobile terminals, wherein the positioning information comprises base station sector information and GPS information;
determining a plurality of target mobile terminals located in a target base station sector according to base station sector information in the collected positioning information of the plurality of mobile terminals;
and determining the sector center of the target base station according to the GPS information of the target mobile terminals.
Preferably, the determining the sector center of the target base station according to the GPS information of the plurality of target mobile terminals includes:
calculating a GPS deviation value of each target mobile terminal and an average GPS deviation value of all target mobile terminals according to the GPS information of the plurality of target mobile terminals;
determining a final target mobile terminal which accords with the center of the calculation sector by using the GPS deviation value of each target mobile terminal and the average GPS deviation value;
and calculating the sector center of the target base station according to the GPS information of the final target mobile terminal.
Preferably, the determining a final target mobile terminal that matches the center of the calculation sector by using the GPS offset value of each target mobile terminal and the average GPS offset value includes:
comparing the GPS deviation value of each target mobile terminal with the average GPS deviation value to obtain a difference value of the GPS deviation value of each target mobile terminal;
and determining the target mobile terminal with the difference value smaller than or equal to the preset value as the final target mobile terminal.
Preferably, after determining the sector center of the target base station according to the GPS information of the target mobile terminals, the method further includes:
determining a base station sector where the mobile terminal is located according to the mobile terminal base station coarse positioning request;
reading positioning information including base station sector information and GPS information of the plurality of mobile terminals collected in the past from a database, and calculating the center of a base station sector of the base station sector where the mobile terminal is located;
and carrying out base station coarse positioning on the mobile terminal according to the calculated base station sector center.
The device for determining the center of the sector of the base station provided by the embodiment of the invention comprises the following steps:
the mobile terminal comprises a collection module, a processing module and a processing module, wherein the collection module is used for collecting positioning information of a plurality of mobile terminals, and the positioning information comprises base station sector information and GPS information;
And the determining module is used for determining a plurality of target mobile terminals located in a target base station sector according to the base station sector information in the collected positioning information of the plurality of mobile terminals, and determining the sector center of the target base station according to the GPS information of the plurality of target mobile terminals.
Preferably, the calculation module comprises:
a calculating unit, configured to calculate a GPS offset value of each target mobile terminal and an average GPS offset value of all target mobile terminals according to the GPS information of the plurality of target mobile terminals, and calculate a sector center of the target base station according to the GPS information of the final target mobile terminal;
and the determining unit is used for determining the final target mobile terminal which accords with the center of the calculation sector by using the GPS deviation value of each target mobile terminal and the average GPS deviation value.
Preferably, the determination unit includes:
the comparison subunit is used for comparing the GPS deviation value of each target mobile terminal with the average GPS deviation value to obtain a difference value of the GPS deviation value of each target mobile terminal;
and the determining subunit is used for determining the target mobile terminal with the difference value smaller than or equal to the preset value as the final target mobile terminal.
Preferably, the mobile terminal further includes a coarse positioning module, configured to determine a base station sector where the mobile terminal is located according to the mobile terminal base station coarse positioning request, read previously collected positioning information including base station sector information and GPS information of the multiple mobile terminals from a database, calculate a base station sector center of the base station sector where the mobile terminal is located, and perform base station coarse positioning on the mobile terminal according to the calculated base station sector center.
According to an embodiment of the present invention, an apparatus for determining a center of a sector of a base station includes: a processor, and a memory coupled to the processor; the memory has stored thereon a program executable on the processor for determining a base station sector center, the program when executed by the processor implementing a method comprising:
collecting positioning information of a plurality of mobile terminals, wherein the positioning information comprises base station sector information and GPS information;
determining a plurality of target mobile terminals located in a target base station sector according to base station sector information in the collected positioning information of the plurality of mobile terminals;
and determining the sector center of the target base station according to the GPS information of the target mobile terminals.
According to a computer storage medium provided by an embodiment of the present invention, a program for determining a center of a base station sector is stored, and when executed by a processor, the program for determining a center of a base station sector realizes that:
collecting positioning information of a plurality of mobile terminals, wherein the positioning information comprises base station sector information and GPS information;
determining a plurality of target mobile terminals located in a target base station sector according to base station sector information in the collected positioning information of the plurality of mobile terminals;
and determining the sector center of the target base station according to the GPS information of the target mobile terminals.
According to the scheme provided by the embodiment of the invention, the deficiency of the sector basic parameters such as the sector center, the MAR value and the like of the sector is obtained by analyzing and processing the historical positioning data of the sector, the parameters are optimized, and the new sector parameters are adopted in the subsequent coarse positioning so as to improve the coarse positioning precision. That is, the optimization of sector data is realized by analyzing and processing the positioning data in the positioning process, the accuracy of sector positioning is improved, and a related method is provided to verify the improvement of the accuracy of sector positioning.
Drawings
Fig. 1 is a flowchart of a method for determining a sector center of a base station according to an embodiment of the present invention;
Fig. 2 is a schematic diagram of an apparatus for determining a center of a sector of a base station according to an embodiment of the present invention;
FIG. 3 is a schematic diagram illustrating a comparison between a base station sector center before and after calibration according to an embodiment of the present invention;
fig. 4 is a flow chart of sector data optimization of a positioning system according to an embodiment of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, and it should be understood that the preferred embodiments described below are only for the purpose of illustrating and explaining the present invention, and are not to be construed as limiting the present invention.
Fig. 1 is a flowchart of a method for determining a sector center of a base station according to an embodiment of the present invention, as shown in fig. 1, including:
step S101: collecting positioning information of a plurality of mobile terminals, wherein the positioning information comprises base station sector information and GPS information;
step S102: determining a plurality of target mobile terminals located in a target base station sector according to base station sector information in the collected positioning information of the plurality of mobile terminals;
step S103: and determining the sector center of the target base station according to the GPS information of the target mobile terminals.
Wherein the determining the sector center of the target base station according to the GPS information of the plurality of target mobile terminals includes: calculating a GPS deviation value of each target mobile terminal and an average GPS deviation value of all target mobile terminals according to the GPS information of the plurality of target mobile terminals; determining a final target mobile terminal which accords with the center of the calculation sector by using the GPS deviation value of each target mobile terminal and the average GPS deviation value; and calculating the sector center of the target base station according to the GPS information of the final target mobile terminal.
Wherein, the determining the final target mobile terminal which accords with the center of the calculation sector by using the GPS deviation value of each target mobile terminal and the average GPS deviation value comprises: comparing the GPS deviation value of each target mobile terminal with the average GPS deviation value to obtain a difference value of the GPS deviation value of each target mobile terminal; and determining the target mobile terminal with the difference value smaller than or equal to the preset value as the final target mobile terminal.
Wherein, after determining the sector center of the target base station according to the GPS information of the target mobile terminals, the method further includes:
determining a base station sector where the mobile terminal is located according to the mobile terminal base station coarse positioning request;
reading positioning information including base station sector information and GPS information of the plurality of mobile terminals collected in the past from a database, and calculating the center of a base station sector of the base station sector where the mobile terminal is located;
and carrying out base station coarse positioning on the mobile terminal according to the calculated base station sector center.
Fig. 2 is a schematic diagram of an apparatus for determining a center of a sector of a base station according to an embodiment of the present invention, as shown in fig. 2, including: a collecting module 201, configured to collect positioning information of multiple mobile terminals, where the positioning information includes base station sector information and GPS information; a determining module 202, configured to determine, according to base station sector information in the collected multiple pieces of mobile terminal positioning information, multiple target mobile terminals located in a target base station sector, and determine, according to GPS information of the multiple target mobile terminals, a sector center of the target base station.
Wherein the computing module 201 comprises: a calculating unit, configured to calculate a GPS offset value of each target mobile terminal and an average GPS offset value of all target mobile terminals according to the GPS information of the plurality of target mobile terminals, and calculate a sector center of the target base station according to the GPS information of the final target mobile terminal; and the determining unit is used for determining the final target mobile terminal which accords with the center of the calculation sector by using the GPS deviation value of each target mobile terminal and the average GPS deviation value.
Specifically, the determination unit includes: the comparison subunit is used for comparing the GPS deviation value of each target mobile terminal with the average GPS deviation value to obtain a difference value of the GPS deviation value of each target mobile terminal; and the determining subunit is used for determining the target mobile terminal with the difference value smaller than or equal to the preset value as the final target mobile terminal.
The embodiment of the invention also comprises a rough positioning module which is used for determining the base station sector of the mobile terminal according to the rough positioning request of the mobile terminal base station, reading the positioning information which is collected from the database and comprises the base station sector information and the GPS information, calculating the center of the base station sector of the mobile terminal, and carrying out the rough positioning of the base station on the mobile terminal according to the calculated center of the base station sector.
The embodiment of the invention provides equipment for determining a sector center of a base station, which comprises: a processor, and a memory coupled to the processor; the memory has stored thereon a program executable on the processor for determining a base station sector center, the program when executed by the processor implementing a method comprising:
collecting positioning information of a plurality of mobile terminals, wherein the positioning information comprises base station sector information and GPS information;
determining a plurality of target mobile terminals located in a target base station sector according to base station sector information in the collected positioning information of the plurality of mobile terminals;
and determining the sector center of the target base station according to the GPS information of the target mobile terminals.
The embodiment of the invention provides a computer storage medium, which stores a program for determining the center of a base station sector, wherein when the program for determining the center of the base station sector is executed by a processor, the program for determining the center of the base station sector comprises the following steps:
collecting positioning information of a plurality of mobile terminals, wherein the positioning information comprises base station sector information and GPS information;
determining a plurality of target mobile terminals located in a target base station sector according to base station sector information in the collected positioning information of the plurality of mobile terminals;
And determining the sector center of the target base station according to the GPS information of the target mobile terminals.
In summary, the present invention is directed to improving the accuracy of sector parameters and improving and evaluating the positioning accuracy of sectors. Specifically, in Positioning, base station Positioning and GPS (Global Positioning System) Positioning are adopted for each Positioning where possible, and then two pieces of data are recorded for each Positioning, one is serving sector information and the other is GPS Positioning latitude and longitude data. And then processing a large amount of data recorded by the log to acquire all the GPS result points which are positioned under the same service sector. Then, the longitude and latitude of the GPS result are analyzed and processed by an algorithm, and the calculated longitude and latitude are used as the optimization result of the longitude and latitude of the sector center of the service sector.
By adopting the method, the center of the sector can be automatically closed to the dense place of the personnel under the actual coverage area, the actual requirement of rough positioning is met, and the method is favorable for improving the average precision of sector positioning macroscopically. As shown in fig. 3, it is assumed that a black dot is a GPS positioning point actually occurring under the sector, and as can be seen from the figure, the center of the sector before optimization is determined according to the geographical location information of the base station where the sector is located, and is not close to the center of the dense location of the actual person, so that the center of the sector before optimization is biased, and therefore, the actual person does not fall into the range covered by the center of the sector, and the positioning accuracy is inaccurate; and the optimized sector center can be close to the center of the actual dense place of the personnel, so that the positioning precision can be improved after the optimized sector center is adopted.
According to the method, the difference of personnel aggregation in different time periods is considered, optimization of different time periods is supported, namely the time periods can be set by the system, the optimized longitude and latitude of the sector center in the time period can be obtained by the optimization analysis module according to the different time periods, and the positioning module selects corresponding optimized sector center data according to the time periods, so that the positioning accuracy is further improved.
Fig. 4 is a flow chart of sector data optimization of the positioning system according to the embodiment of the present invention, and as shown in fig. 4, in order to achieve the deficiency of the current sector data, optimize the sector data, including the sector center point, the MAR value, and the like, and improve the positioning accuracy of sector positioning, it is proposed to set a sector analysis module in the positioning platform for performing positioning result data analysis, sector optimization, positioning accuracy optimization analysis, and the like. The implementation mode is as follows:
firstly, a sector analysis module:
a user or SP (Service Provider) initiates a positioning request;
and B, the positioning platform receives the user request, authenticates the user and judges whether the positioning is legal or not. If the positioning authentication is passed, the positioning platform continues the positioning process;
c, aiming at GPS positioning, recording a sector number and a GPS positioning position;
And D, retrieving all records, and sending the records with the positioning mode being the GPS mode to an analysis module.
Secondly, processing by an analysis module:
and E, according to the set time range, taking the same record of the positioned service sector. In implementation, a basic quantity value (which may be set to 200 pieces, for example) is determined for the number of positioning records meeting the above requirement, and if the requirement is met, the group of data is basic data that can be sector optimized, and the following processing can be performed. In addition, a maximum default capturing days (such as the day before capturing to 31 days) can be set for the time period for capturing data;
and F, taking all recorded positioning longitudes and latitudes (in a GPS mode) from the group of data. Because each positioning record represents different meanings, the weight of the positioning record can be set according to the condition of the parameter value in the positioning record: for example, knowing that for some terminal numbers, such as 138XXXXXXXX, the trajectory of these numbers is closer to the actual people gathering location, we can set a 2-fold weight to the location record of these numbers, so that the calculated optimized sector center position is more biased towards the location of these numbers; for another example, as known from the past, in 10: the time frame 00-11:00, most users are at work, not during traffic movement, so this part of the positioning record is closer to the actual people gathering place, so for 10: the positioning records of 00-11:00 can also be weighted by 2 times, so that the calculated optimal sector center position is biased to the position of the positioning record in the time. Calculating the center longitude and latitude of the sector of the weighted average according to the related strategy and the weight;
G, calculating the longitude and latitude deviation value of each record and the average longitude and latitude deviation of all the records according to the longitude and latitude average value of all the groups of the records;
h, in order to avoid the influence of the over-deviation data on the average value, the analysis module realizes the filtering of the over-deviation data. The strategy can be judged according to the deviation value, the record with overlarge deviation is removed, and the influence of a small amount of overlarge deviation data on the whole is avoided. The strategy is to judge whether the deviation value is greater than n times of the average deviation value, wherein n can be configured, for example, n can be set to be equal to 2, and then the analysis module filters out data with the deviation value being 2 times of the average deviation value when processing;
i, after removing all excluded records, calculating the average value of longitude and latitude of the rest records to obtain the average longitude and latitude;
j, the longitude and latitude value obtained by calculation is used as the central value of the rough positioning sector of the service sector corresponding to the group record;
the K analysis module provides the optimized sector data to the positioning module, and the positioning module performs positioning calculation by adopting the optimized sector data;
third, positioning precision improvement evaluation after optimization
The L positioning module is used for positioning by respectively adopting original sector central data and optimized sector central data in positioning and recording different positioning results;
M compares the positioning results with the GPS positioning results respectively to obtain corresponding error values, and records the error values which are respectively an error value 1 and an error value 2;
and N, respectively carrying out summary analysis and statistics on the error value 1 and the error value 2 aiming at all records in the same sector, thereby obtaining data with improved positioning precision after adopting optimized sector data.
The following describes the implementation method and processing flow of the embodiment of the invention in detail, and the steps are as follows:
(1) location request
1. A user or SP initiates a positioning request;
2. the positioning platform authenticates the positioning;
3. the positioning platform judges the type of the terminal and whether the terminal supports GPS positioning;
4. the positioning platform simultaneously initiates sector positioning and GPS positioning to the terminal;
5. the positioning platform retrieves all records and sends the records with the positioning mode being the GPS mode to the analysis module.
(2) Sector center optimization analysis
1. According to the set time range, taking the same record of the positioned service sector;
2. for the group of data, all recorded positioning longitudes and latitudes (in a GPS mode) are taken, and the central longitude and latitude of the sector of the weighted average are calculated according to a set strategy and weight;
3. calculating the longitude and latitude deviation value of each record and the average longitude and latitude deviation of all the records according to the longitude and latitude mean value of all the group of data;
4. If the longitude and latitude deviation value of a record exceeds n times (can be set) of the average value, excluding the record from the group;
5. after all excluded records are removed, calculating the average value of the longitude and latitude of the rest records to obtain the longitude and latitude of the weighted average;
6. taking the calculated longitude and latitude value as a rough positioning sector central value of the service sector corresponding to the group record;
7. the analysis module provides the optimized sector data to the positioning module, and the positioning module performs positioning calculation by adopting the optimized sector data.
(3) Optimized positioning precision improvement inspection
1. During positioning, the positioning platform adopts the original sector center data to perform positioning and records a positioning result 1;
2. in the positioning process of the positioning platform, optimized sector center data is adopted for positioning, and a positioning result 2 is recorded;
3. positioning by the positioning platform in a GPS mode during positioning, and recording a positioning result 3, wherein the result can be regarded as the actual position of a user;
4. comparing the positioning result 1 with the GPS positioning result to obtain an error 1;
5. comparing the positioning result 2 with the GPS positioning result to obtain an error 2;
6. and (3) summarizing, analyzing and counting the error value 1 and the error value 2 respectively aiming at all records in the same sector, so that data with positioning precision improved after the optimized sector data is adopted can be obtained, and the data can include but is not limited to average error value/maximum error value/minimum error value, improvement proportion and the like.
According to the scheme provided by the embodiment of the invention, a plurality of positioning modes are simultaneously carried out on the user, the optimized sector parameters are obtained by processing the positioning records through the analysis module, and the positioning module is used for positioning according to the optimized sector parameters, so that the positioning precision of sector positioning is effectively improved, and the mode is provided for evaluating the improved precision.
Although the present invention has been described in detail hereinabove, the present invention is not limited thereto, and various modifications can be made by those skilled in the art in light of the principle of the present invention. Thus, modifications made in accordance with the principles of the present invention should be understood to fall within the scope of the present invention.
Claims (8)
1. A method for optimizing a base station sector center based on historical positioning data, comprising:
setting a time period according to the personnel gathering condition, and collecting positioning information including base station sector information and GPS information of a plurality of mobile terminals in the time period;
determining a plurality of target mobile terminals located in a target base station sector according to base station sector information in the collected positioning information of the plurality of mobile terminals;
calculating a GPS deviation value of each target mobile terminal and an average GPS deviation value of all target mobile terminals according to the GPS information of the plurality of target mobile terminals;
And determining a final target mobile terminal which accords with the optimized sector center by using the GPS deviation value of each target mobile terminal and the average GPS deviation value, and optimizing the sector center of the target base station according to the GPS information of the final target mobile terminal.
2. The method of claim 1, wherein said determining a final target mobile terminal that corresponds to the center of the calculated sector using said GPS offset value for each target mobile terminal and said average GPS offset value comprises:
comparing the GPS deviation value of each target mobile terminal with the average GPS deviation value to obtain a difference value of the GPS deviation value of each target mobile terminal;
and determining the target mobile terminal with the difference value smaller than or equal to the preset value as the final target mobile terminal.
3. The method of claim 1, after calculating the sector center of the target base station according to the GPS information of the final target mobile terminal, further comprising:
determining a base station sector where the mobile terminal is located according to the mobile terminal base station coarse positioning request;
reading positioning information including base station sector information and GPS information of the plurality of mobile terminals collected in the past from a database, and calculating the center of a base station sector of the base station sector where the mobile terminal is located;
And carrying out base station coarse positioning on the mobile terminal according to the calculated base station sector center.
4. An apparatus for optimizing a base station sector center based on historical positioning data, comprising:
the system comprises a collecting module, a processing module and a processing module, wherein the collecting module is used for setting a time slot according to the personnel gathering condition, collecting positioning information of a plurality of mobile terminals in the time slot, wherein the positioning information comprises base station sector information and GPS information, and determining a plurality of target mobile terminals in a target base station sector according to the base station sector information in the collected positioning information of the plurality of mobile terminals;
and the determining module is used for calculating the GPS deviation value of each target mobile terminal and the average GPS deviation value of all the target mobile terminals according to the GPS information of the plurality of target mobile terminals, determining a final target mobile terminal which accords with the optimized sector center by using the GPS deviation value of each target mobile terminal and the average GPS deviation value, and optimizing the sector center of the target base station according to the GPS information of the final target mobile terminal.
5. The apparatus of claim 4, the determining module comprising:
the comparison subunit is used for comparing the GPS deviation value of each target mobile terminal with the average GPS deviation value to obtain a difference value of the GPS deviation value of each target mobile terminal;
And the determining subunit is used for determining the target mobile terminal with the difference value smaller than or equal to the preset value as the final target mobile terminal.
6. The apparatus according to claim 4, further comprising a coarse positioning module, configured to determine a base station sector in which the mobile terminal is located according to the mobile terminal base station coarse positioning request, read previously collected positioning information of the plurality of mobile terminals, which includes base station sector information and GPS information, from a database, calculate a base station sector center of the base station sector in which the mobile terminal is located, and perform base station coarse positioning on the mobile terminal according to the calculated base station sector center.
7. An apparatus for optimizing a base station sector center based on historical positioning data, the apparatus comprising: a processor, and a memory coupled to the processor; the memory has stored thereon a program operable on the processor for optimizing a base station sector center based on historical positioning data, the program, when executed by the processor, implementing a method comprising:
setting a time period according to the personnel gathering condition, and collecting positioning information including base station sector information and GPS information of a plurality of mobile terminals in the time period;
Determining a plurality of target mobile terminals located in a target base station sector according to base station sector information in the collected positioning information of the plurality of mobile terminals;
calculating a GPS deviation value of each target mobile terminal and an average GPS deviation value of all target mobile terminals according to the GPS information of the plurality of target mobile terminals;
and determining a final target mobile terminal which accords with the optimized sector center by using the GPS deviation value of each target mobile terminal and the average GPS deviation value, and optimizing the sector center of the target base station according to the GPS information of the final target mobile terminal.
8. A computer storage medium storing a program for optimizing a base station sector center based on historical positioning data, the program when executed by a processor implementing a method comprising:
setting a time period according to the personnel gathering condition, and collecting positioning information including base station sector information and GPS information of a plurality of mobile terminals in the time period;
determining a plurality of target mobile terminals located in a target base station sector according to base station sector information in the collected positioning information of the plurality of mobile terminals;
calculating a GPS deviation value of each target mobile terminal and an average GPS deviation value of all target mobile terminals according to the GPS information of the plurality of target mobile terminals;
And determining a final target mobile terminal which accords with the optimized sector center by using the GPS deviation value of each target mobile terminal and the average GPS deviation value, and optimizing the sector center of the target base station according to the GPS information of the final target mobile terminal.
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| GPSone定位业务 基站数据库的优化;熊方;《万方数据》;20100630;全文 * |
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| CN109862613A (en) | 2019-06-07 |
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