CN109068329B - False position identification method, false position identification device, false position identification equipment and computer readable storage medium - Google Patents

False position identification method, false position identification device, false position identification equipment and computer readable storage medium Download PDF

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CN109068329B
CN109068329B CN201810879638.5A CN201810879638A CN109068329B CN 109068329 B CN109068329 B CN 109068329B CN 201810879638 A CN201810879638 A CN 201810879638A CN 109068329 B CN109068329 B CN 109068329B
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base station
information
terminal
determining
base stations
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CN109068329A (en
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陈蛟
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China United Network Communications Group Co Ltd
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China United Network Communications Group Co Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W12/00Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/12Detection or prevention of fraud

Abstract

The invention provides a false position identification method, a false position identification device, false position identification equipment and a computer readable storage medium. The method comprises the following steps: acquiring information of a base station connected with a terminal according to the received terminal information; the information comprises the number of base stations and the positions of the base stations; determining the central position of the base station position according to the number of the base stations, and determining the distance between the central position and the received terminal position; and judging whether the distance is greater than a distance threshold value, if so, determining that the position information is false position information. The method, the device, the equipment and the computer readable storage medium provided by the invention can verify the received terminal position according to the base station information connected with the terminal, and can determine whether the position reported by the terminal is real or not according to the position of the base station connected with the terminal because the base station information connected with the terminal obtained according to the terminal information is accurate and the terminal is in the signal coverage range of the base station.

Description

False position identification method, false position identification device, false position identification equipment and computer readable storage medium
Technical Field
The present invention relates to location identification technologies, and in particular, to a method, an apparatus, a device, and a computer-readable storage medium for identifying a false location.
Background
With the development of mobile technology, location-based services are increasing. The location-based service is a value-added service for providing corresponding services for users by obtaining location information (geographical coordinates or geodetic coordinates) of mobile terminal users under the support of a geographical information system (foreign language abbreviation: GIS, foreign language full name: Geographic information system) platform.
Some services need to be based on the user's real location to be able to provide better quality services to the user. However, in the prior art, a user can modify system data by installing some software on a terminal, so as to report false location information.
Therefore, the user position information acquired in the prior art has the problem of inaccuracy.
Disclosure of Invention
The invention provides a false position identification method, a false position identification device, false position identification equipment and a computer readable storage medium, which are used for solving the problem that user position information acquired in the prior art is inaccurate.
The first aspect of the invention provides a false position identification method, which comprises the following steps:
acquiring information of a base station connected with the terminal according to the received terminal information; the information comprises the number of base stations and the positions of the base stations;
determining the central position of the base station position according to the base station number, and determining the distance between the central position and the received terminal position;
and judging whether the distance is greater than a distance threshold value, and if so, determining that the position information is false position information.
Another aspect of the present invention provides a false location identifying apparatus, including:
the acquisition module is used for acquiring the information of a base station connected with the terminal according to the received terminal information; the information comprises the number of base stations and the positions of the base stations;
a determining module, configured to determine a center position of the base station location according to the number of base stations, and determine a distance between the center position and a received terminal location;
and the judging module is used for judging whether the distance is greater than a distance threshold value, and if so, the determining module determines that the position information is false position information.
Yet another aspect of the present invention is to provide a false location identifying apparatus, including:
a memory;
a processor; and
a computer program;
wherein the computer program is stored in the memory and configured to be executed by the processor to implement the fake location identification method according to the first aspect.
Yet another aspect of the present invention provides a computer-readable storage medium having stored thereon a computer program for execution by a processor to implement the fake location identification method as described in the first aspect above.
The false position identification method, the false position identification device, the false position identification equipment and the computer readable storage medium have the technical effects that:
the invention provides a false position identification method, a false position identification device, false position identification equipment and a computer readable storage medium, wherein the false position identification method comprises the following steps: acquiring information of a base station connected with a terminal according to the received terminal information; the information comprises the number of base stations and the positions of the base stations; determining the central position of the base station position according to the number of the base stations, and determining the distance between the central position and the received terminal position; and judging whether the distance is greater than a distance threshold value, if so, determining that the position information is false position information. The method, the device, the equipment and the computer readable storage medium provided by the invention can verify the received terminal position according to the base station information connected with the terminal, and can determine whether the position reported by the terminal is real or not according to the position of the base station connected with the terminal because the base station information connected with the terminal obtained according to the terminal information is accurate and the terminal is in the signal coverage range of the base station.
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FIG. 1 is a flow chart illustrating a false location identification method in accordance with an exemplary embodiment of the present invention;
FIG. 2 is a flow chart illustrating a false location identification method in accordance with another exemplary embodiment of the present invention;
FIG. 3 is a flow chart illustrating a false location identification method in accordance with yet another exemplary embodiment of the present invention;
FIG. 3A is an implementation of the embodiment shown in FIG. 3;
FIG. 4 is a block diagram illustrating a false location identification device in accordance with an exemplary embodiment of the present invention;
fig. 5 is a block diagram illustrating a false location identification device according to another exemplary embodiment of the present invention;
fig. 6 is a block diagram illustrating a fake location identification device according to an exemplary embodiment of the present invention.
Detailed Description
Fig. 1 is a flowchart illustrating a false location identification method according to an exemplary embodiment of the present invention.
As shown in fig. 1, the method for identifying a false location provided by this embodiment includes:
step 101, acquiring information of a base station connected with a terminal according to received terminal information; the information includes the number of base stations and the positions of the base stations.
The method provided by the embodiment may be executed by a location server, wherein the terminal information and the terminal location may be directly sent to the location server by the terminal. The terminal can report the terminal information and the terminal position to the application server, and the application server sends the received data to the position server, so that the position server can identify the authenticity of the terminal position.
Specifically, after the LBS (Location Based Service) application on the terminal is started, the LBS application may report the terminal information, the terminal Location, and the like. For example, when a user starts taxi-taking software in the terminal, the taxi-taking software can acquire the position of the terminal and report the terminal or user information to the server. The terminal position can be obtained through a positioning function built in the terminal, and when malicious software for modifying positioning information is installed in the terminal, the terminal position may be a modified false position.
Further, the terminal information may be user information, a mobile phone number, an IMEI, and the like. If the reported terminal information does not include the mobile phone number, the corresponding mobile phone number can be obtained according to the terminal information, such as the number when the user registers according to the user information.
In practical application, the information of the base station connected to the terminal may be determined according to the mobile phone number, for example, the information of the base station connected to the mobile phone number may be obtained by an operator, and specifically may include several base stations connected, an identifier of each base station, a location where each base station is located, and the like.
The information of the base station connected to the terminal may be determined by acquiring signaling data corresponding to the mobile phone number and interacting with the base station, for example, the information of the base station connected to the terminal may be acquired through data such as TDOA (Time Difference of Arrival), RSSI (Received Signal Strength Indication), and the like.
And step 102, determining the central position of the base station position according to the number of the base stations, and determining the distance between the central position and the received terminal position.
Specifically, the location server may also receive the terminal location, and the LBS application server may send the terminal location to the location server, or the user terminal may send the location directly to the location server.
Further, the location server may determine a central location of the base station. When a terminal is connected to only one base station, the base station position is the center position. When the terminal is connected to a plurality of base stations, it is necessary to determine a center position according to the positions of the plurality of base stations, for example, when the terminal is connected to two base stations, a midpoint of the positions of the two base stations is the center position.
When the terminal is connected with the base station, the base station with a stronger signal is selected for connection, and the distance is an important factor influencing the signal strength of the terminal and the base station. Therefore, since the base station to which the terminal is connected can be considered as a base station located in the vicinity of the terminal, a position closer to the terminal, that is, the center position can be estimated from the base station position. If a user installs software for modifying the location information in the terminal, the location reported by the terminal may be a false location, and the information of the base station to which the terminal is connected cannot be modified, that is, which base station the terminal is actually connected to, so that the information of the base station can be obtained according to the terminal information. Therefore, the authenticity of the terminal location can be recognized by the base station location.
Specifically, the authenticity of the terminal position can be determined by the distance between the central position and the terminal position, and if the distance is too large, for example, the terminal position cannot be connected with the acquired base station at all at the position, the terminal position is a false position.
And 103, judging whether the distance is greater than a distance threshold value, and if so, determining that the position information is false position information.
A distance threshold may also be preset, and if the distance between the position reported by the terminal and the determined center position is greater than the distance threshold, the terminal position may be considered as a false position. And if the distance between the position reported by the terminal and the determined central position is less than or equal to the distance threshold, the position of the terminal is considered to be the real position.
In practical application, if the position reported by the terminal is determined to be a false position, an enhanced verification method, such as face verification, telephone voice verification, verification code verification and the like, can be started.
The distance threshold may be set according to a range that can be covered by the base station, and different thresholds may be set for different base stations. Because the technologies adopted by the base stations are not completely the same, the coverage areas of the base stations are different, and therefore, the distance thresholds corresponding to the base stations can be set, and if the terminal is connected with a plurality of base stations, the maximum value in the distance thresholds of the base stations can be compared with the distance between the terminal position and the central position, so that whether the position reported by the terminal is a false position or not can be judged more accurately.
The method provided by this embodiment is used to identify whether the location reported by the terminal is a false location, and the method is executed by a device installed with the method provided by this embodiment, and the device is usually implemented in a hardware and/or software manner.
The false location identification method provided by the embodiment comprises the following steps: acquiring information of a base station connected with a terminal according to the received terminal information; the information comprises the number of base stations and the positions of the base stations; determining the central position of the base station position according to the number of the base stations, and determining the distance between the central position and the received terminal position; and judging whether the distance is greater than a distance threshold value, if so, determining that the position information is false position information. The method provided by the embodiment can check the received terminal position according to the base station information connected with the terminal, and because the base station information connected with the terminal acquired according to the terminal information is accurate and the terminal is within the signal coverage range of the base station, whether the position reported by the terminal is real or not can be determined according to the position of the base station connected with the terminal.
Fig. 2 is a flowchart illustrating a false location identification method according to another exemplary embodiment of the present invention.
As shown in fig. 2, the method for identifying a false location provided by this embodiment includes:
step 201, acquiring information of a base station connected with a terminal according to received terminal information; the information includes the number of base stations and the positions of the base stations.
The specific principle and implementation of step 201 are similar to those of step 101, and are not described herein again.
Step 202, if the number of the base stations is 1, determining the position of the base station as a central position.
If the number of base stations connected to the terminal is 1, that is, the terminal is connected to only one base station, the actual position of the terminal is necessarily within the signal coverage range of the base station, and therefore, the position of the base station can be determined as a central position, and then the distance between the received terminal position and the central position is determined, and if the distance is large, for example, exceeds the signal coverage range of the base station, the terminal position can be considered as a false position.
Step 203, if the number of the base stations is 2, determining the position midpoint of the two base stations as the center position.
Specifically, if the number of base stations to which the terminal is connected is 2, it indicates that the terminal is located within the coverage area of the two base stations, and at this time, the midpoint of the positions of the two base stations may be determined as the center position. And then determining the distance between the received terminal position and the center position, and if the distance is larger, for example, exceeds the coverage range of the base station signal, determining that the terminal position is a false position.
Further, the center position may also be adjusted according to the size of the coverage area of the base station signal, for example, if the terminal is connected to the base station A, B, the coverage area of the base station a is stronger, and the coverage area of the base station B is weaker, the center position may move to the position of the base station B, and the specific moving distance may be set according to the coverage areas of the two coverage signals.
And 204, if the number of the base stations is more than or equal to 3, determining a preset number of target base stations which are close to the signal strength of the terminal in the base stations according to the first signal strength information.
The acquired base station information may further include first signal strength information, where the first signal strength information includes strengths of connection signals between the terminal and the base stations, and each base station connected to the terminal corresponds to one signal strength.
The preset number may be a numerical value of 3 or less, for example, the preset number may be 3. If the terminal is connected to more than three base stations, the signal strengths corresponding to the base stations may be sorted, and a single base station with the highest signal strength may be determined as the target base station. The closer the terminal is to the base station, the stronger the signal is, so the base station with the signal strength ranking three above can be selected as the target base station, and the position reported by the terminal is verified based on the position of the target base station, so that the data calculation amount can be reduced.
Step 205, determining the center positions of a preset number of target base stations according to a preset algorithm.
In practical application, the target position corresponding to the target base station may be determined according to the base station information, for example, the base station information may include the base station position corresponding to each base station, and the target position may be directly obtained therefrom. The midpoint of the target location may be determined directly as the center location. For example, when the preset number is 3, the centers of three target positions can be directly determined, that is, one position is found, the distances from the three target positions are the same, and the position is determined as the center position.
Wherein, step 205 may further include:
and determining the first strength corresponding to the signal of the terminal connected with each target base station according to the first signal strength information.
And determining a weight value corresponding to each target base station according to the first strength, and determining a central position according to the weight value and the position of the target base station.
The first strength corresponding to each target base station, that is, the signal strength of the terminal connected to each target base station, may also be determined, and the weight value corresponding to the target base station may be determined according to the strength. It can be considered that the signal strength of the connection between the terminal and one base station is stronger when the terminal is close to the base station, and the signal strength of the connection between the terminal and the base station is weaker when the terminal is far from the base station.
The center position is close to the target base station with a large weight value, so that the weight value of the target base station can be weighed, and the final center position can be determined according to the weight value and the position of the target base station. For example, if there are 3 target bss A, B, C, three weights a, b, and c can be obtained, and a location can be found, whose distance ratio to the target bs A, B, C is approximately 1/a: 1/b: 1/c, the center position determined according to the weight value can be obtained.
After step 202, 203 or 205, i.e. after the center position has been determined, step 206 is performed.
Step 206, the distance between the center position and the received terminal position is determined.
Step 206 is similar to step 102 in specific principles and implementations, and will not be described here again.
Step 207, determining whether the distance is greater than the distance threshold, and if so, determining that the position information is false position information.
Step 207 is similar to step 103 in specific principles and implementations.
A plurality of thresholds may be set, for example, when the number of base stations is 1, the first distance threshold is used to compare with the determined distance, if the number of base stations is 2, the second distance threshold is used to compare with the determined distance, and if the number of base stations is a value greater than or equal to 3, the third distance threshold is used to compare with the determined distance. That is, the first threshold, the second threshold, and the third threshold corresponding to the number of base stations may be set in advance.
Fig. 3 is a flowchart illustrating a false location identification method according to yet another exemplary embodiment of the present invention.
As shown in fig. 3, the method for identifying a false location provided by this embodiment includes:
step 301, obtaining information of a base station connected with a terminal according to received terminal information; the information comprises the number of base stations, the positions of the base stations and second signal strength information.
Step 302, determining the central position of the base station position according to the number of the base stations, and determining the distance between the central position and the received terminal position;
step 303, determining whether the distance is greater than a distance threshold, and if so, determining that the position information is false position information.
The steps 301-303 are similar to the specific principles and implementation of the steps 101-103.
In the method provided in this embodiment, the obtained information of the base station may further include second signal strength information, where the second signal strength information may be the same as the first signal strength information in the embodiment shown in fig. 2.
In the actual application process of the LBS service, there is a situation that the terminal reports the real position, but the terminal is in an unused state, for example, some users have two phone numbers, one of which is used occasionally, and the terminal is placed at a fixed position most of the time, and if the user is provided with the service according to the position information reported by the terminal, the problem of inaccurate provided service is caused, so that the user experience is not good, and the problem of wasting resources of the LBS service provider is also caused. In addition, there is also a case that a user triggers LBS application in a terminal through remote control or other methods, so that the terminal reports real data but is not used by a person, based on which, the scheme provided in this embodiment further includes:
and step 304, determining the initial strength of the signal of the terminal connected with the base station according to the second signal strength information.
The second signal strength information is signal strength of a terminal connected to a base station, and if the terminal is connected to only one base station, the second signal strength information only includes signal strength corresponding to one base station, and if the terminal is connected to a plurality of base stations, the second signal strength information includes signal strength corresponding to the plurality of base stations. In the second signal strength information, the information with the strongest signal may be determined as the initial strength, and the base station corresponding to the initial strength may be obtained and may be marked as St.
And 305, acquiring a second strength of the signals of the terminal and the base station which are connected for the preset times.
Specifically, the second strength of the signal between the terminal and the base station St may be obtained N times continuously, where N may be a value set according to a requirement.
Furthermore, signaling data interacted between the terminal and the base station St can be acquired, and the second strength of the connection signal between the terminal and the base station St can be acquired according to the signaling data.
Step 306, determine the number of second intensities whose absolute value of difference from the initial intensity is less than or equal to the difference threshold.
In practical application, a difference threshold value may be preset, a difference between each second intensity and the initial intensity may be calculated, and the number of second intensities whose difference is less than or equal to the difference threshold value may be counted. Specifically, if the difference is calculated, the absolute value of the difference can be taken and then compared with the threshold value of the difference.
However, since the position of the terminal is related to the signal strength of the base station connected to the terminal, if the terminal is in a moving state or moves from a position, the signal strength of the terminal connected to the same base station also changes. If the terminal has not moved since the initial strength is obtained, the second strength obtained subsequently is the same as the initial strength, the difference between the two is 0, and the absolute value of the difference is the minimum.
And 307, if the number is larger than the number threshold, determining that the user of the terminal is a false user.
Specifically, a number threshold D may be preset, and if the number is greater than the number threshold D, it indicates that the position of the terminal has not changed much since the initial strength is obtained, and the position information generated in this period of time is meaningless, and it is not necessary to provide a service to the user according to the position information in this period of time.
Further, fig. 3A is an implementation manner of the embodiment shown in fig. 3.
As shown in fig. 3A, in one implementation, may include:
and a, determining the initial strength of the signal of the terminal connected with the base station according to the second signal strength information.
Step b, base station St corresponding to the initial strength is determined.
And c, setting the counter n to be 0 and d to be 0.
And d, judging whether N is less than or equal to a preset time N.
If yes, executing step e, otherwise, executing step h.
And e, reading the second strength of the connection between the base station St and the terminal, and judging whether the absolute value of the difference value between the second strength and the initial strength is greater than a difference threshold Dif.
If yes, executing step f, otherwise executing step g.
And f, setting d to be d + 1.
And g, setting n as n + 1.
And proceeds to step d.
And h, judging whether D is larger than a quantity threshold value D.
If yes, determining the user as a non-false user, otherwise, determining the user as a false user.
In this implementation manner, after the second intensity is obtained each time, 1 may be superimposed on N, and the determination of whether N is greater than N is continuously performed, so that N times of continuous obtaining of the second intensity is realized. And after the second intensity is obtained for the first time, comparing the second intensity with the initial intensity, and if the difference value between the first intensity and the initial intensity is greater than the difference threshold value, superposing the d by 1, thereby determining that a plurality of second intensities with the difference value between the first intensity and the initial intensity which is greater than the difference threshold value exist in the N second intensities. And determining whether the user is a false user or not through d.
The false position identification method provided by this embodiment can not only determine whether the position reported by the terminal is a false position, but also determine whether the terminal is in an unattended state according to the continuous connection signal strength between the terminal and the base station, thereby protecting the LBS application service provider to the maximum extent and avoiding the benefit from being damaged.
Fig. 4 is a block diagram illustrating a false location identification apparatus according to an exemplary embodiment of the present invention.
As shown in fig. 4, the false location identifying device provided in this embodiment includes:
an obtaining module 41, configured to obtain information of a base station connected to the terminal according to the received terminal information; the information comprises the number of base stations and the positions of the base stations;
a determining module 42, configured to determine a center position of the base station location according to the number of the base stations, and determine a distance between the center position and a received terminal location;
a determining module 43, configured to determine whether the distance is greater than a distance threshold, and if so, the determining module 42 determines that the location information is false location information.
The obtaining module 41, the determining module 42, and the determining module 43 are connected in sequence.
The false location identification device provided by the embodiment comprises: the acquisition module is used for acquiring the information of a base station connected with the terminal according to the received terminal information; the information comprises the number of base stations and the positions of the base stations; the determining module is used for determining the central position of the base station position according to the number of the base stations and determining the distance between the central position and the received terminal position; and the judging module is used for judging whether the distance is greater than the distance threshold value, and if so, the determining module determines that the position information is false position information. The device provided by this embodiment can check the received terminal position according to the base station information connected to the terminal, and because the base station information connected to the terminal obtained according to the terminal information is accurate and the terminal is within the signal coverage of the base station, it can be determined whether the position reported by the terminal is true according to the position of the base station connected to the terminal.
The specific principle and implementation of the false location identifying device provided by this embodiment are similar to those of the embodiment shown in fig. 1, and are not described here again.
Fig. 5 is a block diagram illustrating a fake location identification device according to another exemplary embodiment of the present invention.
As shown in fig. 5, on the basis of the foregoing embodiment, in the false location identifying apparatus provided in this embodiment, the determining module 42 includes:
a first determining unit 421, configured to determine the base station location as the center location if the number of base stations is 1.
Optionally, the determining module 42 includes:
a second determining unit 422, configured to determine a midpoint of the positions of the two base stations as the center position if the number of the base stations is 2.
Optionally, the base station information further includes first signal strength information;
the determining module 42 includes:
a third determining unit 423, configured to determine, in the base station, a preset number of target base stations that are located before the signal strength of the terminal according to the first signal strength information if the number of base stations is greater than or equal to 3;
the third determining unit 423 is further configured to determine center positions of a preset number of target base stations according to a preset algorithm.
The base station information further comprises second signal strength information;
the apparatus further comprises a false user determination module 44 for:
determining the initial strength of the signal of the terminal connected with the base station according to the second signal strength information;
acquiring a second strength of a signal of the terminal connected with the base station for a preset number of times;
determining a number of second intensities that differ from the initial intensity by less than or equal to a difference threshold;
and if the number is larger than a number threshold value, determining that the user of the terminal is a false user.
The specific principle and implementation of the false location identification device provided in this embodiment are similar to those of the embodiments shown in fig. 2 to 3A, and are not described herein again.
Fig. 6 is a block diagram illustrating a fake location identification device according to an exemplary embodiment of the present invention.
As shown in fig. 6, the false location identifying device provided in this embodiment includes:
a memory 61;
a processor 62; and
a computer program;
wherein the computer program is stored in the memory 61 and configured to be executed by the processor 62 to implement any of the false location identification methods as described above.
The present embodiments also provide a computer-readable storage medium, having stored thereon a computer program,
the computer program is executed by a processor to implement any of the false location identification methods described above.
Those of ordinary skill in the art will understand that: all or a portion of the steps of implementing the above-described method embodiments may be performed by hardware associated with program instructions. The program may be stored in a computer-readable storage medium. When executed, the program performs steps comprising the method embodiments described above; and the aforementioned storage medium includes: various media that can store program codes, such as ROM, RAM, magnetic or optical disks.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (11)

1. A false location identification method, comprising:
acquiring information of a base station connected with the terminal according to the received terminal information; the information of the base station comprises the number of the base stations and the positions of the base stations; determining the central position of the base station position according to the base station number, and determining the distance between the central position and the received terminal position;
judging whether the distance is greater than a distance threshold value, if so, determining that the received position information of the terminal is false position information;
the base station information further comprises second signal strength information;
the method further comprises the following steps:
determining the initial strength of the signal of the terminal connected with the base station according to the second signal strength information; the initial strength is the information with the strongest signal in the second signal strength information; acquiring a second strength of a signal of the terminal connected with the base station for a preset number of times;
determining a number of second intensities that differ from the initial intensity by less than or equal to a difference threshold;
and if the number is larger than a number threshold value, determining that the user of the terminal is a false user.
2. The method of claim 1, wherein the determining the center position of the base station position according to the number of base stations comprises:
and if the number of the base stations is 1, determining the position of the base station as the central position.
3. The method of claim 1, wherein the determining the center position of the base station position according to the number of base stations comprises:
and if the number of the base stations is 2, determining the position midpoint of the two base stations as the central position.
4. The method of claim 1, wherein the base station information further comprises first signal strength information;
the determining the center position of the base station position according to the number of the base stations comprises:
if the number of the base stations is more than or equal to 3, determining a preset number of target base stations with the signal intensity close to the front in the base stations according to the first signal intensity information;
and determining the central positions of a preset number of target base stations according to a preset algorithm.
5. The method according to claim 4, wherein the determining the center positions of a preset number of target base stations according to a preset algorithm comprises:
determining a first strength corresponding to a signal of the terminal connected with each target base station according to the first signal strength information;
determining a weight value corresponding to each target base station according to the first intensity, and determining the center position according to the weight value and the position of the target base station.
6. A false location identification device, comprising:
the acquisition module is used for acquiring the information of a base station connected with the terminal according to the received terminal information; the information of the base station comprises the number of the base stations and the positions of the base stations;
a determining module, configured to determine a center position of the base station location according to the number of base stations, and determine a distance between the center position and a received terminal location;
the judging module is used for judging whether the distance is greater than a distance threshold value, and if so, the determining module determines that the received position information of the terminal is false position information;
the base station information further comprises second signal strength information; the initial strength is the strongest signal information in the second signal strength information;
the apparatus further comprises a false user determination module to:
determining the initial strength of the signal of the terminal connected with the base station according to the second signal strength information;
acquiring a second strength of a signal of the terminal connected with the base station for a preset number of times;
determining a number of second intensities that differ from the initial intensity by less than or equal to a difference threshold;
and if the number is larger than a number threshold value, determining that the user of the terminal is a false user.
7. The apparatus of claim 6, wherein the determining module comprises:
a first determining unit, configured to determine the location of the base station as the center location if the number of base stations is 1.
8. The apparatus of claim 6, wherein the determining module comprises:
a second determining unit, configured to determine a midpoint between the positions of the two base stations as the center position if the number of the base stations is 2.
9. The apparatus of claim 6, wherein the base station information further comprises first signal strength information;
the determining module includes:
a third determining unit, configured to determine, in the base station, a preset number of target base stations with a previous signal strength according to the first signal strength information if the number of base stations is greater than or equal to 3;
the third determining unit is further configured to determine center positions of a preset number of target base stations according to a preset algorithm.
10. A false location identification device, comprising:
a memory and a processor; the memory stores a computer program;
the processor executes the computer program stored by the memory, causing the processor to perform the method of any of claims 1-5.
11. A computer-readable storage medium, having stored thereon a computer program,
the computer program is executed by a processor to implement the method according to any of claims 1-5.
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