CN111954299A - Position information acquisition method, device and system - Google Patents
Position information acquisition method, device and system Download PDFInfo
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- CN111954299A CN111954299A CN202010823856.4A CN202010823856A CN111954299A CN 111954299 A CN111954299 A CN 111954299A CN 202010823856 A CN202010823856 A CN 202010823856A CN 111954299 A CN111954299 A CN 111954299A
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Abstract
The application relates to a position information acquisition method, a position information acquisition device and a position information acquisition system, wherein the position information acquisition method comprises the steps of calling a position sensor interface deployed on a mobile terminal to acquire first position information; acquiring second position information through a core network accessed by the mobile terminal; and comparing the first position information with the second position information, and determining the actual position information of the mobile terminal according to the comparison result. According to the method and the device, the user position information is acquired in multiple modes, the position information is jointly confirmed, the accuracy and the credibility of the user position information can be ensured, the problems of error, interference, counterfeiting, tampering and the like of the position information acquired in one mode are solved, and therefore a credible support is provided for business processing based on the position information.
Description
Technical Field
The present application belongs to the field of mobile communication technologies, and in particular, to a method, an apparatus, and a system for acquiring location information.
Background
In a mobile communication network, location information of a user belongs to sensitive information, and mobility management needs to be performed on the user location in order to ensure normal service of the user.
In the related art, the network positioning is performed by accessing the core network information through the mobile network, and the implementation method comprises the following steps: based on the signaling protocol, the mobile management entity obtains the base station information attached to the mobile terminal, so as to obtain the position information of the mobile terminal. However, since the positioning information originates from the network, there are cases of forgery, falsification, and the like, and the acquired position information is not authentic or accurate.
Disclosure of Invention
The problems of inaccurate positioning and large error existing in a positioning mode based on a GPS are solved at least to a certain extent; the method, the device and the system for acquiring the position information have the advantages that the network positioning is carried out by accessing the core network information through the mobile network, the situations of counterfeiting, tampering and the like exist, and the acquired position information is not credible or inaccurate.
In a first aspect, the present application provides a method for acquiring location information, including:
calling a position sensor interface deployed on a mobile terminal to acquire first position information;
acquiring second position information through a core network accessed by the mobile terminal;
and comparing the first position information with the second position information, and determining the actual position information of the mobile terminal according to the comparison result.
Furthermore, the method also comprises the following steps of,
acquiring third position information through communication equipment connected with the mobile terminal;
and comparing the first position information, the second position information and the third position information, and determining the actual position information of the mobile terminal according to the comparison result.
Further, the communication device includes: WIFI equipment and bluetooth equipment.
Further, the position sensor interface includes: GPS positioning device and big dipper positioning device.
Further, the acquiring the second location information by the core network accessed by the mobile terminal includes:
intercepting an air interface signaling of the mobile terminal, and acquiring second position information according to the air interface signaling;
and/or the presence of a gas in the gas,
acquiring second position information from the MME network element;
and/or the presence of a gas in the gas,
initiating user position query information through the GMLC to acquire second position information;
and/or the presence of a gas in the gas,
acquiring second position information from the information of the network element borne by the user service;
and/or the presence of a gas in the gas,
and acquiring second position information according to the information of the service interaction between the upper application of the mobile terminal and the background server.
Further, the acquiring the second location information by the core network accessed by the mobile terminal further includes:
and acquiring second position information by using cellid positioning technology.
Further, the method also comprises the following steps:
acquiring first clock information corresponding to the first position information;
acquiring second clock information corresponding to the second position information;
and comparing the first clock information with the second clock information, and determining the actual position information of the mobile terminal according to the comparison result.
Further, before comparing the first location information with the second location information, the method further includes:
and normalizing the first position information and the second position information.
In a second aspect, the present application provides a position information acquiring apparatus, including:
the first acquisition module is used for calling a position sensor interface deployed on the mobile terminal to acquire first position information;
the second acquisition module is used for acquiring second position information through a core network accessed by the mobile terminal;
and the determining module is used for comparing the first position information with the second position information and determining the actual position information of the mobile terminal according to the comparison result.
In a third aspect, the present application provides a position information acquiring system, including:
the location information acquiring apparatus, the mobile terminal and the core network according to the second aspect;
the position information acquisition device is respectively connected with the mobile terminal and the core network, and acquires the actual position information of the mobile terminal through the mobile terminal and the core network.
The technical scheme provided by the embodiment of the application can have the following beneficial effects:
according to the position information obtaining method, device and system provided by the embodiment of the invention, the first position information is obtained by calling the position sensor interface arranged on the mobile terminal; acquiring second position information through a core network accessed by the mobile terminal; the method and the device for processing the mobile terminal location information compare the first location information with the second location information, acquire the actual location information of the mobile terminal according to the comparison result, acquire the user location information in multiple modes, perform joint confirmation on the location information, ensure the accuracy and credibility of the user location information, and eliminate the problems of error, interference, counterfeiting, tampering and the like of the location information acquired in one mode, thereby providing credible support for the location information-based business processing.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.
Fig. 1 is a flowchart of a location information obtaining method according to an embodiment of the present application.
Fig. 2 is a flowchart of a location information obtaining method according to another embodiment of the present application.
Fig. 3 is a flowchart of another location information obtaining method according to an embodiment of the present application.
Fig. 4 is a functional block diagram of a position information acquiring apparatus according to an embodiment of the present application.
Fig. 5 is a functional block diagram of a location information acquiring system according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail below. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without making any creative effort, shall fall within the protection scope of the present application.
Fig. 1 is a flowchart of a location information acquiring method according to an embodiment of the present application, and as shown in fig. 1, the location information acquiring method includes:
s11: calling a position sensor interface deployed on a mobile terminal to acquire first position information;
s12: acquiring second position information through a core network accessed by the mobile terminal;
s13: and comparing the first position information with the second position information, and acquiring the actual position information of the mobile terminal according to the comparison result.
And if the first position information is consistent with the second position information, taking the first position information or the second position information as the actual position information of the mobile terminal.
The traditional position information acquisition method mostly adopts two modes, one mode is to acquire the position information of the mobile terminal based on a position sensor interface; the other method is to acquire the position information of the mobile terminal based on the core network technology, the problems of inaccurate positioning and large error exist when the position sensor interface such as a GPS is used for positioning the mobile terminal, and the problems of counterfeiting, tampering and the like easily exist when the core network technology is used for positioning the network, and the acquired position information is not credible or inaccurate.
In the embodiment, first position information is obtained by calling a position sensor interface deployed on a mobile terminal; acquiring second position information through a core network accessed by the mobile terminal; the method and the device for processing the mobile terminal location information compare the first location information with the second location information, acquire the actual location information of the mobile terminal according to the comparison result, acquire the user location information in multiple modes, perform joint confirmation on the location information, ensure the accuracy and credibility of the user location information, and eliminate the problems of error, interference, counterfeiting, tampering and the like of the location information acquired in one mode, thereby providing credible support for the location information-based business processing.
An embodiment of the present invention provides another position information obtaining method, as shown in a flowchart in fig. 2, where the position information obtaining method includes:
s21: calling a position sensor interface deployed on a mobile terminal to acquire first position information;
in some embodiments, the position sensor interface includes, but is not limited to: GPS positioning device and big dipper positioning device.
The agent is deployed on the mobile terminal, and the agent acquires the accurate position information of the mobile terminal by calling position sensor interfaces such as a GPS (global positioning system), a Beidou and the like.
S22: acquiring second position information through a core network accessed by the mobile terminal;
in some embodiments, the obtaining the second location information by the core network to which the mobile terminal accesses includes, but is not limited to, the following implementation manners:
mode 1: intercepting an air interface signaling of the mobile terminal, and acquiring second position information according to the air interface signaling;
mode 2: acquiring second position information from the MME network element;
an mme (mobility Management entity) network element is a key control node of a 3GPP protocol LTE access network, and is responsible for positioning idle mode ue (user equipment), paging process, including relaying. The MME is a mobile management entity and is responsible for managing the mobile access management of the network access users. After the user successfully performs registration, reselection, handover, and TAU (for the UE in the idle state and the linked state, the TA registered by the UE needs to be managed), the base station to which the user attaches reports the current Tracking Area Identity (TAI) and the E-UTRAN Cell Global identity (ECGI) information of the user to the MME to which the user belongs. The MME in the current network stores the position information of related users, and the ID number of the base station attached to the mobile terminal of the user can be obtained from the network element MME through a core network signaling protocol, so that the base station to which the user belongs and the attached cell information can be directly inquired from the MME. The information can realize accurate positioning of the user under the coordination of the cell network topological graph.
Mode 3: initiating user position query information through the GMLC to acquire second position information;
the GMLC (gateway Mobile Location center), which is the first node of an external Location program accessing GSM PLMN (Public Land Mobile Network), performs registration authorization check and requests routing information from the HLR, so that Location information of the Mobile terminal can be acquired by initiating user Location query information through the GMLC.
Mode 4: acquiring second position information from the information of the network element borne by the user service;
for example, the location information of the mobile terminal is acquired by an SGW (Serving GateWay) network element or a PGW (PDN GateWay) network element.
Mode 5: and acquiring second position information according to the information of the service interaction between the upper application of the mobile terminal and the background server.
Mode 6: the user position information acquired by the application server through the terminal upper layer application is mainly a cell level and a longitude and latitude level, and the positioning precision of the user is between a hundred meters and a meter range.
The user location information can be divided into network element MME location to which the user belongs, tracking area TA (tracking area) location where the user is located, physical cell location where the user is located, and longitude and latitude coordinate location of the user from low to high according to the location accuracy.
Mode 7: user position information acquired by a network element through a mobile network is mainly an MME level, a tracking area level and a cell level, and the positioning precision of the user is between ten thousand kilometers and one hundred meters.
Mode 8: and acquiring second position information by using cellid positioning technology.
The cellid is provided for the positioning user to acquire information through the acquisition target mobile phone. It determines where it is located by the cell ID of the cell in which it is located. The target mobile phone may be in different states, and after the core network sends out the LCS request, if the UE is currently in another state, the SRNC (Serving RNC) pages the UE to determine the ID of the cell and thus the location information of the mobile phone.
S23: acquiring third position information through communication equipment connected with the mobile terminal;
in some embodiments, the communication devices include, but are not limited to: WIFI equipment and bluetooth equipment.
For a specific scenario, the communication device accessing the mobile terminal into the specific scenario may quickly acquire the third location information.
S24: and comparing the first position information, the second position information and the third position information, and determining the actual position information of the mobile terminal according to the comparison result.
And if the first position information, the second position information and the third position are consistent, using the consistent position information as the actual position information of the mobile terminal.
In some embodiments, the private device and the mobile terminal each have a white list of valid devices, and an alarm is caused when an illegal device accesses the private device, and the access to the user location information is prohibited to prevent the illegal device from acquiring the user location information.
In the embodiment, the third position information is obtained by adding other positioning methods, and the first position information and the second position information are obtained by multiple implementation modes, so that the accuracy and the authenticity of obtaining the positioning information can be further ensured, and a credible support is provided for the service processing based on the position information.
An embodiment of the present invention provides another position information obtaining method, as shown in a flowchart in fig. 3, where the position information obtaining method includes:
s31: acquiring first clock information corresponding to the first position information;
s32: acquiring second clock information corresponding to the second position information;
s33: judging whether the first clock information and the second clock information are consistent, if so, executing S34;
s34: normalizing the first position information and the second position information;
s35: and comparing the normalized first position information with the normalized second position information, and determining the actual position information of the mobile terminal according to the comparison result.
In some embodiments, normalizing the first location information and the second location information includes setting a condition that the first location information and the second location information satisfy, and removing the location information that does not satisfy the condition, where the condition includes, for example, a latitude and longitude range condition, a time condition, and the like. For example, if location information in Sinkiang was not met in the previous minute and in Guangzhou in the latter minute, location information may need to be retrieved.
If the normalized first position information and the normalized second position information are consistent, the position information of the current user can be confirmed to be accurate, otherwise, problem troubleshooting is carried out through other means, for example, whether two terminals with the same identity exist is judged, so that the accurate position of the user is obtained.
In the embodiment, whether the time corresponding to the position information acquired by multiple ways is consistent or not is verified, so that the accuracy and the reliability of the acquired position can be further improved, and in addition, the position comparison is facilitated through normalization processing, so that the time position of the mobile terminal is finally acquired.
An embodiment of the present invention provides a position information acquiring apparatus, as shown in a functional structure diagram of fig. 4, where the position information acquiring apparatus includes:
a first obtaining module 41, configured to call a location sensor interface disposed in the mobile terminal to obtain first location information;
a second obtaining module 42, configured to obtain second location information through a core network to which the mobile terminal is accessed;
and the determining module 43 is configured to compare the first location information with the second location information, and determine actual location information of the mobile terminal according to a comparison result.
In some embodiments, further comprising:
a third obtaining module 44, configured to obtain third location information through a communication device connected to the mobile terminal;
the determining module 43 is further configured to compare the first location information, the second location information, and the third location information, and determine actual location information of the mobile terminal according to a comparison result.
In some embodiments, further comprising:
the clock verification module 45 is configured to obtain first clock information corresponding to the first location information, obtain second clock information corresponding to the second location information, compare the first clock information and the second clock information, and determine actual location information of the mobile terminal according to a comparison result.
In some embodiments, further comprising:
and the processing module 46 is configured to perform normalization processing on the first location information and the second location information.
In the embodiment, a first obtaining module calls a position sensor interface deployed on a mobile terminal to obtain first position information; the second acquisition module acquires second position information through a core network accessed by the mobile terminal; the determining module compares the first position information with the second position information, determines the actual position information of the mobile terminal according to the comparison result, can acquire the user position information in various modes, performs joint confirmation on the position information, can ensure the accuracy and credibility of the user position information, and eliminates the problems of error, interference, counterfeiting, tampering and the like of the position information acquired in one mode, thereby providing credible support for the service processing based on the position information.
An embodiment of the present invention provides a position information acquiring system, such as a functional structure diagram shown in fig. 5, where the position information acquiring system includes:
the location information acquiring device 51, the mobile terminal 52 and the core network 53 as described in the above embodiments;
the location information acquiring device 51 is connected to the mobile terminal 52 and the core network 53, and acquires the actual location information of the mobile terminal through the mobile terminal 52 and the core network 53.
In this embodiment, the actual location information of the mobile terminal is acquired by the location information acquiring device through the mobile terminal and the core network, and problems of error, interference, forgery, falsification and the like of location information acquired in one way are eliminated, so that a trusted support is provided for service processing based on location information.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.
It should be noted that, in the description of the present application, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Further, in the description of the present application, the meaning of "a plurality" means at least two unless otherwise specified.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and the scope of the preferred embodiments of the present application includes other implementations in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present application.
It should be understood that portions of the present application may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present application may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional component mode. The integrated module, if implemented in the form of a software functional component and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.
It should be noted that the present invention is not limited to the above-mentioned preferred embodiments, and those skilled in the art can obtain other products in various forms without departing from the spirit of the present invention, but any changes in shape or structure can be made within the scope of the present invention with the same or similar technical solutions as those of the present invention.
Claims (10)
1. A position information acquisition method, comprising:
calling a position sensor interface deployed on a mobile terminal to acquire first position information;
acquiring second position information through a core network accessed by the mobile terminal;
and comparing the first position information with the second position information, and determining the actual position information of the mobile terminal according to the comparison result.
2. The position information acquisition method according to claim 1, characterized by further comprising,
acquiring third position information through communication equipment connected with the mobile terminal;
and comparing the first position information, the second position information and the third position information, and determining the actual position information of the mobile terminal according to the comparison result.
3. The position information acquisition method according to claim 2, wherein the communication device comprises: WIFI equipment and bluetooth equipment.
4. The method of claim 1, wherein the position sensor interface comprises: GPS positioning device and big dipper positioning device.
5. The method of claim 1, wherein the obtaining the second location information through the core network accessed by the mobile terminal comprises:
intercepting an air interface signaling of the mobile terminal, and acquiring second position information according to the air interface signaling;
and/or the presence of a gas in the gas,
acquiring second position information from the MME network element;
and/or the presence of a gas in the gas,
initiating user position query information through the GMLC to acquire second position information;
and/or the presence of a gas in the gas,
acquiring second position information from the information of the network element borne by the user service;
and/or the presence of a gas in the gas,
and acquiring second position information according to the information of the service interaction between the upper application of the mobile terminal and the background server.
6. The method of claim 5, wherein the obtaining the second location information through the core network accessed by the mobile terminal further comprises:
and acquiring second position information by using cellid positioning technology.
7. The position information acquisition method according to claim 1, characterized by further comprising:
acquiring first clock information corresponding to the first position information;
acquiring second clock information corresponding to the second position information;
and comparing the first clock information with the second clock information, and determining the actual position information of the mobile terminal according to the comparison result.
8. The method according to claim 1, further comprising, before comparing the first location information and the second location information:
and normalizing the first position information and the second position information.
9. A positional information acquisition apparatus characterized by comprising:
the first acquisition module is used for calling a position sensor interface deployed on the mobile terminal to acquire first position information;
the second acquisition module is used for acquiring second position information through a core network accessed by the mobile terminal;
and the determining module is used for comparing the first position information with the second position information and determining the actual position information of the mobile terminal according to the comparison result.
10. A position information acquisition system characterized by comprising:
the location information acquiring apparatus, the mobile terminal, and the core network according to claim 9;
the position information acquisition device is respectively connected with the mobile terminal and the core network, and acquires the actual position information of the mobile terminal through the mobile terminal and the core network.
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Application publication date: 20201117 |