CN109474933B - Pseudo base station positioning method and device - Google Patents
Pseudo base station positioning method and device Download PDFInfo
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- CN109474933B CN109474933B CN201811495941.1A CN201811495941A CN109474933B CN 109474933 B CN109474933 B CN 109474933B CN 201811495941 A CN201811495941 A CN 201811495941A CN 109474933 B CN109474933 B CN 109474933B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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- H04W12/12—Detection or prevention of fraud
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- H—ELECTRICITY
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- 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
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Abstract
The invention provides a pseudo base station positioning method and device, relates to the field of communication, and aims to quickly and accurately position a pseudo base station. The pseudo base station positioning method comprises the following steps: acquiring a switching failure signaling of each base station in a certain time period; screening base stations with the frequency of occurrence of the switching failure signaling exceeding a preset threshold value as a first base station set with pseudo base stations around; selecting any base station from the first base station set as a positioning source base station, selecting one or more base stations with linear distance smaller than a first preset distance from the rest base stations of the first base station set as a second base station set with the same pseudo base station around; determining a third base station set with pseudo base stations around according to the second base station set; and positioning the position of the pseudo base station according to the third base station set. The embodiment of the application is applied to positioning of the pseudo base station.
Description
Technical Field
The present invention relates to the field of communications, and in particular, to a method and an apparatus for positioning a pseudo base station.
Background
The pseudo base station mainly utilizes a legal frequency band of a telecom operator to transmit signals, when the terminal is accessed to a coverage area of the pseudo base station, the pseudo base station induces the user terminal to update a tracking area in a certain geographical range, and the collection of user information data in the coverage area is completed in the process. Meanwhile, signals transmitted by the pseudo base station cause interference to the network of a normal operator, and seriously affect the user experience. Therefore, it is very necessary to locate the position of the pseudo base station quickly and efficiently.
Currently, the positioning of the pseudo base station is mainly realized through user complaints or daily network optimization tests and is rarely realized based on tracking area update signaling. The pseudo base station positioning method through user complaints or daily network optimization tests not only needs to consume a large amount of test resources, but also finds problems in a punctiform manner, and cannot quickly and effectively screen comprehensively. The pseudo base station positioning method based on the tracking area updating signaling is mainly used for positioning the position of the pseudo base station by acquiring cell address information in the position updating signaling which is initiated to a network again after a terminal is separated from the influence of the pseudo base station, but when the pseudo base station of the fourth generation (4th generation, 4G) communication is positioned by using the method, the acquired position updating signaling only contains tracking area information and does not contain the position information of the cell, the number of stations of one tracking area is large, the specific base station position cannot be positioned, and the positioning precision is obviously insufficient.
Disclosure of Invention
The embodiment of the invention provides a pseudo base station positioning method and device, which can solve the problems of complex flow and insufficient accuracy of pseudo base station positioning in the prior art and quickly and accurately position the pseudo base station.
In order to achieve the above purpose, the embodiment of the invention adopts the following technical scheme:
in a first aspect, an embodiment of the present invention provides a positioning method for a pseudo base station, where the positioning method includes:
acquiring a switching failure signaling of each base station in a certain time period;
screening base stations with the occurrence frequency of the switching failure signaling exceeding a preset threshold value as a first base station set with pseudo base stations around;
selecting any one base station from the first base station set as a positioning source base station, and selecting one or more base stations with linear distance smaller than a first preset distance from the remaining base stations of the first base station set as a second base station set with the same pseudo base station around;
determining a third base station set with pseudo base stations around according to the second base station set;
and positioning the position of the pseudo base station according to the third base station set.
In a second aspect, an embodiment of the present invention provides a positioning apparatus for a pseudo base station, including:
a signaling obtaining unit, configured to obtain a handover failure signaling of each base station within a certain time period;
a signaling screening unit, configured to screen a base station for which the number of times of occurrence of the handover failure signaling acquired by the signaling acquisition unit exceeds a preset threshold, as a first base station set in which a pseudo base station exists around the base station;
a first positioning unit, configured to select any one of the base stations in the first base station set determined by the signaling screening unit as a positioning source base station, and select one or more base stations whose linear distance from the positioning source base station is smaller than a first preset distance from remaining base stations in the first base station set, as a second base station set where a same pseudo base station exists around the second base station set;
the second positioning unit is used for determining a third base station set with pseudo base stations around according to the second base station set determined by the first positioning unit;
and the third positioning unit is used for positioning the position of the pseudo base station according to the third base station set determined by the second positioning unit.
In a third aspect, there is provided a computer readable storage medium storing one or more programs, wherein the one or more programs include instructions, which when executed by a computer, cause the computer to perform the positioning method of a pseudo base station according to the first aspect.
In a fourth aspect, there is provided a computer program product containing instructions which, when run on a computer, cause the computer to perform the method of positioning a pseudo base station according to the first aspect.
In a fifth aspect, a positioning apparatus for a pseudo base station is provided, including: a processor and a memory, the memory being used to store a program, the processor calling the program stored in the memory to perform the pseudo base station positioning method according to the first aspect.
The method and the device for positioning the pseudo base station, provided by the invention, are used for obtaining the switching failure signaling which is influenced by the pseudo base station to determine the base station which is possibly influenced by the pseudo base station, screening out the base station which is possibly influenced by environmental factors and generates the switching failure signaling by setting the preset threshold value of the occurrence times of the switching failure signaling, and determining the base station which is influenced by the pseudo base station; the geographical position of the pseudo base station is quickly and accurately positioned by determining the central point of the base station set influenced by the pseudo base station for multiple times.
Drawings
Fig. 1 is a schematic diagram of a basic structure of a communication system according to an embodiment of the present invention;
fig. 2 is a first flowchart illustrating a pseudo base station positioning method according to an embodiment of the present invention;
FIG. 3 is a diagram illustrating the positioning result of a single pseudo base station according to an embodiment of the present invention;
fig. 4 is a second flowchart illustrating a pseudo base station positioning method according to an embodiment of the present invention;
FIG. 5 is a diagram illustrating the positioning result of all pseudo base stations in a region by repeated positioning according to an embodiment of the present invention;
fig. 6 is a first schematic structural diagram of a positioning apparatus of a pseudo base station according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a positioning apparatus of a pseudo base station according to an embodiment of the present invention.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1, an embodiment of the present invention provides a communication system, which includes a Mobility Management Entity (MME) 110, a base station (eNodeB) 120 serving a user terminal, and an S1-MME interface 130 between the eNodeB120 and the MME110, where a pseudo base station may exist in a coverage area of each eNodeB 120.
The invention provides a pseudo base station positioning method, which comprises the steps of firstly determining a base station set influenced by a pseudo base station, and then accurately positioning the position of the pseudo base station according to the influenced base station set. The method can quickly and accurately position the pseudo base station.
Examples 1,
The present embodiment provides a positioning method of a pseudo base station, which is applied to the communication system described above, and as shown in fig. 2, the positioning method specifically includes:
s101, acquiring a switching failure signaling of each base station in a certain time period.
When a user terminal passes through a coverage area of a pseudo base station, a source base station can initiate a switching request to the pseudo base station because a signal transmitted by the pseudo base station is stronger and uses the same frequency band as an operator. However, the pseudo base station belongs to an illegal site, and legal data configuration is not performed in the current network of the operator, so that the handover from the source base station to the pseudo base station fails.
The handover failure signaling of each base station may be S1 handover failure signaling of the S1-MME interface 130, and the cause value of the handover failure is all signaling of unknown-targetID (11).
For example, the time periods may be 7:00-9:00, 11:30-14:30, 17:30-22:30, which are three busy hour periods with high traffic.
And determining the base stations possibly affected by the pseudo base stations by collecting the switching failure signaling of each base station in a certain time period.
S102, screening base stations with the frequency of occurrence of the switching failure signaling exceeding a preset threshold value to serve as a first base station set with pseudo base stations around.
In the handover failure signaling collected in S101, there may be a handover failure signaling generated due to incomplete signaling or reporting error caused by unstable transmission environment. Therefore, a preset threshold is set, and the base station with the number of times of occurrence of the handover failure signaling lower than the preset threshold is determined to have no pseudo base station around, for example, the preset threshold may be set to 50, so as to screen out the base station exceeding the preset threshold as the base station affected by the pseudo base station.
S103, selecting any one base station from the first base station set as a positioning source base station, and selecting one or more base stations with linear distance smaller than a first preset distance from the positioning source base station from the rest base stations in the first base station set as a second base station set with the same pseudo base station around.
For example, the first preset distance may be twice the sum of the coverage radius of the positioning source base station and the influence radius of the pseudo base station.
And S104, determining a third base station set with the pseudo base stations around according to the second base station set.
The average value of the geographical positions of all the base stations in the second base station set is calculated to obtain the first central points of the geographical positions of all the base stations in the second base station set, and the base stations in the second base station set, which are less than the second preset distance from the first central points, are used as a third base station set.
The second preset distance may be a sum of a coverage radius of the positioning source base station and an influence radius of the pseudo base station. Wherein the second preset distance is smaller than the first preset distance.
And S105, positioning the position of the pseudo base station according to the third base station set.
The average value of the geographical positions of all the base stations in the third base station set is calculated to obtain a second central point of the geographical positions of all the base stations in the third base station set, and the second central point is the position of the pseudo base station affecting the third base station set.
Specifically, the method can be realized by the following steps: and obtaining a switching failure signaling and screening the base stations with the occurrence frequency exceeding a preset threshold value to serve as a first base station set. And (3) selecting any one base station A from the first base station set as a circle center, drawing a circle by taking the first preset distance as a radius, taking the base station A, B, C, D, E, F, G in the first base station set in the circle as a second base station set with the same pseudo base station around the base station A, and calculating to obtain the first center points of all the base stations. And drawing a circle by taking the first center point as the center of the circle and the second preset distance as the radius, taking A, B, C, D, E in the circle as a third base station set, and calculating to obtain second center points of all base stations, wherein the second center points are the positions of the positioned pseudo base stations.
Fig. 3 is a diagram illustrating a result of positioning a single pseudo base station in this embodiment.
The method for positioning the pseudo base station determines the base station possibly influenced by the pseudo base station according to the switching failure signaling which is influenced by the pseudo base station and can generate switching failure signaling, screens out the base station possibly influenced by environmental factors and generates the switching failure signaling by setting a preset threshold value of the occurrence times of the switching failure signaling, and determines the base station influenced by the pseudo base station; the geographical position of the pseudo base station is quickly and accurately positioned by determining the central point of the base station set influenced by the pseudo base station for multiple times.
As shown in fig. 4, S106 may be further included after S105, and is used to locate the positions of all pseudo base stations, where the specific content is as follows:
and S106, removing the positioning source base station and the base stations in the third base station set from the first base station set.
And removing the affected base stations around the positioned pseudo base station, and avoiding repeated positioning of the found pseudo base station. And repeating S103 to S105 until all base stations are removed from the first base station set, and finally, positioning all pseudo base stations.
Fig. 5 is a diagram illustrating the result of locating all pseudo base stations in an area by repeated location in this embodiment.
Using signaling data in one day of a certain area, setting a preset threshold value to be 50 in S102, setting a first preset distance to be 1400m in S103, setting a second preset distance to be 700m in S104, and co-locating 19 pseudo base stations, where black marks in fig. 5 are pseudo base stations located by using the locating method of this embodiment.
Examples 2,
The present embodiment provides a positioning apparatus for a pseudo base station, which is applied to the positioning method for a pseudo base station, as shown in fig. 6, the positioning apparatus specifically includes:
a signaling obtaining unit 201, configured to obtain a handover failure signaling of each base station within a certain time period.
A signaling screening unit 202, configured to screen base stations for which the number of times of occurrence of the handover failure signaling acquired by the signaling acquiring unit exceeds a preset threshold, as a first base station set in which a pseudo base station exists around.
A first positioning unit 203, configured to select any one base station in the first base station set determined by the signaling screening unit as a positioning source base station, and select one or more base stations whose linear distance from the positioning source base station is smaller than a first preset distance from remaining base stations in the first base station set, as a second base station set where the same pseudo base station exists around.
A second positioning unit 204, configured to determine, according to the second set of base stations determined by the first positioning unit, a third set of base stations where pseudo base stations exist around.
The average value of the geographical positions of all the base stations in the second base station set is calculated to obtain the first central points of the geographical positions of all the base stations in the second base station set, and the base stations in the second base station set, which are less than the second preset distance from the first central points, are used as a third base station set.
The second preset distance may be a sum of a coverage radius of the positioning source base station and an influence radius of the pseudo base station. Wherein the second preset distance is smaller than the first preset distance.
A third positioning unit 205, configured to position the pseudo base station according to the third set of base stations determined by the second positioning unit.
The average value of the geographical positions of all the base stations in the third base station set is calculated to obtain a second central point of the geographical positions of all the base stations in the third base station set, and the second central point is the position of the pseudo base station affecting the third base station set.
As shown in fig. 7, a repeated positioning unit 206 may be further included after the third positioning unit 205, for positioning the positions of all pseudo base stations, which is as follows:
a repeated positioning unit 206, configured to remove base stations in the positioning source base station and the third base station set from the first base station set.
An embodiment of the present invention provides a computer-readable storage medium storing one or more programs, the one or more programs comprising instructions, which when executed by a computer, cause the computer to perform a positioning method of a pseudo base station as described in fig. 2 and 4.
Embodiments of the present invention provide a computer program product comprising instructions which, when run on a computer, cause the computer to perform a method of positioning a pseudo base station as described in fig. 2 and 4.
An embodiment of the present invention provides a positioning apparatus for a pseudo base station, including: a processor and a memory, the memory being used to store a program, the processor calling the program stored in the memory to perform the pseudo base station positioning method as described in fig. 2 and 4.
Since the positioning apparatus, the computer-readable storage medium, and the computer program product of the pseudo base station in the embodiments of the present invention may be applied to the positioning method of the pseudo base station, the technical effects obtained by the positioning apparatus, the computer-readable storage medium, and the computer program product may also refer to the above method embodiments, and the embodiments of the present invention are not described herein again.
The above units may be individually configured processors, or may be implemented by being integrated into one of the processors of the controller, or may be stored in a memory of the controller in the form of program codes, and the functions of the above units may be called and executed by one of the processors of the controller. The processor described herein may be a Central Processing Unit (CPU), or an Application Specific Integrated Circuit (ASIC), or one or more Integrated circuits configured to implement embodiments of the present invention.
It should be understood that, in various embodiments of the present invention, the sequence numbers of the above-mentioned processes do not mean the execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation on the implementation process of the embodiments of the present invention.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the embodiments provided by the present invention, it should be understood that the disclosed system, device and method can be implemented in other ways. For example, the above-described device embodiments are merely illustrative, and for example, the division of the units is only one logical functional division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
Claims (10)
1. A pseudo base station positioning method is characterized by comprising the following steps:
acquiring a switching failure signaling of each base station in a certain time period;
screening base stations with the occurrence frequency of the switching failure signaling exceeding a preset threshold value as a first base station set with pseudo base stations around;
selecting any one base station from the first base station set as a positioning source base station, and selecting one or more base stations with linear distance smaller than a first preset distance from the remaining base stations of the first base station set as a second base station set with the same pseudo base station around;
determining a third base station set with pseudo base stations around according to the second base station set;
and positioning the position of the pseudo base station according to the third base station set.
2. The method for positioning a pseudo base station according to claim 1, wherein the determining a third set of base stations around which the pseudo base station exists according to the second set of base stations includes:
taking the average value of the geographic positions of all base stations in the second base station set as a first central point;
selecting base stations with a distance from the first central point smaller than a second preset distance from the second base station set as a third base station set;
wherein the second preset distance is smaller than the first preset distance.
3. The method of claim 2, wherein the positioning the pseudo base station according to the third set of base stations comprises:
and taking the average value of the geographic positions of all the base stations in the third base station set as a second central point, wherein the position of the second central point is the position of the pseudo base station.
4. The pseudo base station positioning method according to any one of claims 1 to 3, further comprising, before said selecting any one of the base stations from the first set of base stations as a positioning source base station:
and removing the positioning source base station and the base stations in the third base station set from the first base station set.
5. A positioning apparatus for a pseudo base station, comprising:
a signaling obtaining unit, configured to obtain a handover failure signaling of each base station within a certain time period;
a signaling screening unit, configured to screen a base station for which the number of times of occurrence of the handover failure signaling acquired by the signaling acquisition unit exceeds a preset threshold, as a first base station set in which a pseudo base station exists around the base station;
a first positioning unit, configured to select any one of the base stations in the first base station set determined by the signaling screening unit as a positioning source base station, and select one or more base stations whose linear distance from the positioning source base station is smaller than a first preset distance from remaining base stations in the first base station set, as a second base station set where a same pseudo base station exists around the second base station set;
the second positioning unit is used for determining a third base station set with pseudo base stations around according to the second base station set determined by the first positioning unit;
and the third positioning unit is used for positioning the position of the pseudo base station according to the third base station set determined by the second positioning unit.
6. The pseudo base station positioning apparatus according to claim 5, wherein the second positioning unit is specifically configured to:
taking the average value of the geographic positions of all base stations in the second base station set as a first central point;
selecting base stations with a distance from the first central point smaller than a second preset distance from the second base station set as a third base station set;
wherein the second preset distance is smaller than the first preset distance.
7. The pseudo base station positioning device according to claim 6, wherein the third positioning unit is specifically configured to:
and taking the average value of the geographic positions of all the base stations in the third base station set as a second central point, wherein the position of the second central point is the position of the pseudo base station.
8. The pseudo base station positioning device according to any one of claims 5 to 7, further comprising, before the first positioning unit:
and the repeated positioning unit is used for removing the base stations in the positioning source base station and the third base station set from the first base station set.
9. A computer-readable storage medium storing one or more programs, the one or more programs comprising instructions, which when executed by a computer, cause the computer to perform the method of positioning a pseudo base station of any one of claims 1-4.
10. A positioning apparatus for a pseudo base station, comprising: a processor and a memory, the memory for storing a program, the processor calling the program stored in the memory to perform the pseudo base station positioning method according to any one of claims 1 to 4.
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| CN110213724B (en) * | 2019-05-17 | 2020-10-20 | 国家计算机网络与信息安全管理中心 | Pseudo base station motion trajectory identification method |
| CN113015168B (en) * | 2019-12-04 | 2023-05-05 | 北京神州泰岳软件股份有限公司 | Wireless base station positioning method and system |
| CN113329323B (en) * | 2020-02-28 | 2022-11-01 | 中国电信股份有限公司 | Method and system for estimating pseudo base station position |
| CN114339990B (en) * | 2021-12-31 | 2023-05-05 | 广州爱浦路网络技术有限公司 | Terminal position positioning method, system, device and storage medium |
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