CN116056067B - Terminal identification method, device, server and storage medium - Google Patents

Terminal identification method, device, server and storage medium Download PDF

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Publication number
CN116056067B
CN116056067B CN202310027087.0A CN202310027087A CN116056067B CN 116056067 B CN116056067 B CN 116056067B CN 202310027087 A CN202310027087 A CN 202310027087A CN 116056067 B CN116056067 B CN 116056067B
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imei
time
cell
terminal
equal
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CN116056067A (en
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李慧莲
叶勇
李民
唐学军
王苏娥
景洪水
唐多琼
陈伟中
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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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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/029—Location-based management or tracking services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
    • H04W8/183—Processing at user equipment or user record carrier

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention provides a terminal identification method, a device, a server and a storage medium, relates to the technical field of communication, and solves the technical problem that the server in the related art possibly cannot identify which data belong to which terminals and can influence the effectiveness of terminal identification. The method comprises the following steps: acquiring signaling data of a plurality of terminals; determining the track similarity between the first IMEI and the second IMEI based on the cell corresponding to the first IMEI at each moment and the cell corresponding to the second IMEI at each moment; and under the condition that the track similarity between the first IMEI and the second IMEI is larger than or equal to a similarity threshold value, determining that the second IMEI belongs to a first terminal, wherein the first terminal is a terminal corresponding to the first IMEI in the plurality of terminals.

Description

Terminal identification method, device, server and storage medium
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a terminal identification method, a device, a server, and a storage medium.
Background
Currently, terminals can perform related services based on installed subscriber identity module (subscriber identity module, SIM) cards.
However, since the SIM card is an integrated circuit (INTEGRATED CIRCUIT, IC) card issued by the operator, and some data used by the terminal (for example, the identifier of the terminal) is data customized by the manufacturer of the terminal, since effective interworking between the operator and the data of the manufacturer cannot be achieved in some cases, it may not be possible to identify which data belongs to which terminal, which may affect the validity of the terminal identification.
Disclosure of Invention
The invention provides a terminal identification method, a device, a server and a storage medium, which solve the technical problem that in the related art, as data of an operator and a manufacturer cannot be effectively communicated under certain conditions, which data belong to which terminals cannot be identified, and the effectiveness of terminal identification can be influenced.
In a first aspect, the present invention provides a terminal identification method, including: acquiring signaling data of a plurality of terminals, wherein the signaling data comprises a plurality of international mobile equipment identification codes (international mobile equipment identity, IMEIs) and cells corresponding to each of a plurality of time instants in each of the plurality of IMEIs; determining the track similarity between a first IMEI and a second IMEI based on a cell corresponding to the first IMEI at each moment and a cell corresponding to the second IMEI at each moment, wherein the first IMEI is one of the plurality of IMEIs, the first i characters in the second IMEI are the same as the first i characters in the first IMEI, and i is an integer greater than or equal to 1; and under the condition that the track similarity between the first IMEI and the second IMEI is larger than or equal to a similarity threshold value, determining that the second IMEI belongs to a first terminal, wherein the first terminal is a terminal corresponding to the first IMEI in the plurality of terminals.
Optionally, the plurality of time instants are time instants included in a preset time period, the signaling data includes a plurality of cells, and determining the track similarity between the first IMEI and the second IMEI based on the cell corresponding to the first IMEI at each time instant and the cell corresponding to the second IMEI at each time instant specifically includes: determining a first quantity, wherein the first quantity is used for representing the times of corresponding identical cells of the first IMEI and the second IMEI at the same time in the preset time period; determining a second number, wherein the second number is used for representing the number of times that the first IMEI corresponds to a first cell at a first time within the preset time period and the second IMEI corresponds to a second cell at the first time, the first time is any one of the multiple times, the first cell is any one of the multiple cells, and the distance between the second cell and the first cell is less than or equal to a distance threshold; track similarity between the first IMEI and the second IMEI is determined based on the first number and the second number.
Optionally, the plurality of time instants are time instants included in a preset time period, the signaling data includes a plurality of cells, and determining the track similarity between the first IMEI and the second IMEI based on the cell corresponding to the first IMEI at each time instant and the cell corresponding to the second IMEI at each time instant specifically further includes: determining a third quantity, wherein the third quantity is used for representing the times that the first IMEI corresponds to a first cell at a first moment in the preset time period and the second IMEI corresponds to a second cell at a second moment, the first moment is any one of the plurality of moments, the difference value between the second moment and the first moment is smaller than or equal to a duration threshold value, the first cell is any one of the plurality of cells, and the distance between the second cell and the first cell is smaller than or equal to a distance threshold value; track similarity between the first IMEI and the second IMEI is determined based on the third number.
Optionally, the plurality of time instants are time instants included in a preset time period, the preset time period includes M time intervals, M is an integer greater than or equal to 2, and determining the track similarity between the first IMEI and the second IMEI based on a cell corresponding to the first IMEI at each time instant and a cell corresponding to the second IMEI at each time instant specifically further includes: determining N time intervals based on a cell corresponding to a first IMEI at each time and a cell corresponding to a second IMEI at each time, wherein a resident cell corresponding to each time interval in the N time intervals is the same as a resident cell corresponding to the second IMEI at each time interval, and N is an integer greater than or equal to 1; and determining the track similarity between the first IMEI and the second IMEI based on N and M.
In a second aspect, the present invention provides a terminal identification device, including: an acquisition module and a determination module; the acquisition module is used for acquiring signaling data of a plurality of terminals, wherein the signaling data comprises a plurality of IMEIs and cells corresponding to each time in a plurality of times in each IMEI in the plurality of IMEIs; the determining module is configured to determine a track similarity between a first IMEI and a second IMEI based on a cell corresponding to the first IMEI at each time and a cell corresponding to the second IMEI at each time, where the first IMEI is one of the plurality of IMEIs, a first i characters in the second IMEI are the same as a first i characters in the first IMEI, and i is an integer greater than or equal to 1; the determining module is further configured to determine that the second IMEI belongs to a first terminal when a trajectory similarity between the first IMEI and the second IMEI is greater than or equal to a similarity threshold, where the first terminal is a terminal corresponding to the first IMEI among the plurality of terminals.
Optionally, the plurality of time instants are time instants included in a preset time period, and the signaling data includes a plurality of cells; the determining module is specifically configured to determine a first number, where the first number is used to characterize a number of times that the first IMEI and the second IMEI correspond to the same cell at the same time in the preset time period; the determining module is specifically configured to determine a second number, where the second number is used to characterize a number of times that the first IMEI corresponds to a first cell at a first time and the second IMEI corresponds to a second cell at the first time within the preset time period, the first time is any one of the multiple times, the first cell is any one of the multiple cells, and a distance between the second cell and the first cell is less than or equal to a distance threshold; the determining module is specifically configured to determine a trajectory similarity between the first IMEI and the second IMEI based on the first number and the second number.
Optionally, the plurality of time instants are time instants included in a preset time period, and the signaling data includes a plurality of cells; the determining module is specifically configured to determine a third number, where the third number is used to characterize that, in the preset time period, the first IMEI corresponds to a first cell at a first time, and the second IMEI corresponds to a number of times of a second cell at a second time, where the first time is any one of the multiple times, a difference between the second time and the first time is less than or equal to a duration threshold, the first cell is any one of the multiple cells, and a distance between the second cell and the first cell is less than or equal to a distance threshold; the determining module is specifically further configured to determine a trajectory similarity between the first IMEI and the second IMEI based on the third number.
Optionally, the plurality of time instants are time instants included in a preset time period, the preset time period includes M time intervals, and M is an integer greater than or equal to 2; the determining module is specifically further configured to determine N time intervals based on a cell corresponding to the first IMEI at each time and a cell corresponding to the second IMEI at each time, where a resident cell corresponding to each time interval in the N time intervals is the same as a resident cell corresponding to the second IMEI at each time interval, and N is an integer greater than or equal to 1; the determining module is specifically further configured to determine a trajectory similarity between the first IMEI and the second IMEI based on N and M.
In a third aspect, the present invention provides a server comprising: a processor and a memory configured to store processor-executable instructions; wherein the processor is configured to execute the instructions to implement any of the above-described optional terminal identification methods of the first aspect.
In a fourth aspect, the present invention provides a computer readable storage medium having instructions stored thereon which, when executed by a server, enable the server to perform any one of the above-described optional terminal identification methods of the first aspect.
The method, the device, the server and the storage medium for identifying the terminal provided by the invention can acquire signaling data of a plurality of terminals, then determine the track similarity between the first IMEI and the second IMEI based on the cell corresponding to each moment of the first IMEI and the cell corresponding to the second IMEI, and the method, the device and the server are used for representing the similarity between the position of each moment of the first IMEI and the position of each moment of the second IMEI in a plurality of moments, and under the condition that the track similarity between the first IMEI and the second IMEI is greater than or equal to a similarity threshold, the server determines that the second IMEI belongs to the first terminal, and the first terminal is the terminal corresponding to the first IMEI. In the invention, the first IMEI and the first IMEI have the same character, so the terminal model corresponding to the first IMEI is the same as the terminal model corresponding to the second IMEI, the server determines that the data corresponding to the first IMEI and the data corresponding to the second IMEI are the data of the same terminal when the number of the similar positions is large in a plurality of positions of the first IMEI and the second IMEI at a plurality of times in the two IMEIs corresponding to the same terminal model, and the effectiveness of terminal identification is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a schematic flow chart of a terminal identification method according to an embodiment of the present invention;
fig. 2 is a flow chart of another terminal identification method according to an embodiment of the present invention;
fig. 3 is a flowchart of another terminal identification method according to an embodiment of the present invention;
fig. 4 is a flowchart of another terminal identification method according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a terminal identification device according to an embodiment of the present invention;
Fig. 6 is a schematic structural diagram of another terminal identification device according to an embodiment of the present invention.
Detailed Description
The terminal identification method, device, server and storage medium provided by the embodiment of the invention will be described in detail below with reference to the accompanying drawings.
The terms "first" and "second" and the like in the description of the application and in the drawings are used for distinguishing between different objects and not for describing a particular order of objects, e.g. the first IMEI and the second IMEI etc. are used for distinguishing between different IMEIs and not for describing a particular order of IMEIs.
Furthermore, references to the terms "comprising" and "having" and any variations thereof in the description of the present application are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed but may optionally include other steps or elements not listed or inherent to such process, method, article, or apparatus.
It should be noted that, in the embodiments of the present invention, words such as "exemplary" or "such as" are used to mean serving as an example, instance, or illustration. Any embodiment or design described herein as "exemplary" or "e.g." in an embodiment of the present invention is not to be taken as preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary" or "such as" is intended to present related concepts in a concrete fashion.
The term "and/or" as used herein includes the use of either or both of these methods.
In the description of the present application, unless otherwise indicated, the meaning of "a plurality" means two or more.
Based on the description in the background art, since in the related art, the data of the operator and the manufacturer cannot be effectively communicated in some cases, it may not be possible to identify which data belongs to which terminals, which may affect the validity of terminal identification. Based on this, the embodiment of the invention provides a terminal identification method, a device, a server and a storage medium, because the first IMEI and the first i of the second IMEI have the same character, the terminal model corresponding to the first IMEI is the same as the terminal model corresponding to the second IMEI, and the server determines that the data corresponding to the first IMEI and the data corresponding to the second IMEI are the data of the same terminal when the number of similar positions is greater in a plurality of positions where the first IMEI is located at a plurality of moments and in a plurality of positions where the second IMEI is located at a plurality of moments in two IMEIs corresponding to the same terminal model, so that the effectiveness of terminal identification is improved.
The terminal identification method, the device, the server and the storage medium provided by the embodiment of the invention are applied to the scene of terminal identification. After the server obtains the signaling data of the plurality of terminals, the track similarity between the first IMEI and the second IMEI can be determined based on the cell corresponding to the first IMEI at each moment and the cell corresponding to the second IMEI at each moment, and the second IMEI is determined to belong to the first terminal when the track similarity between the first IMEI and the second IMEI is greater than or equal to a similarity threshold, where the first terminal is the terminal corresponding to the first IMEI.
As shown in fig. 1, the terminal identification method provided in the embodiment of the present invention may include S101-S103.
S101, a server acquires signaling data of a plurality of terminals.
The signaling data includes a plurality of IMEIs, and cells corresponding to each of the plurality of IMEIs at each of a plurality of moments.
It will be appreciated that a terminal may correspond to one or more IMEIs, one IMEI corresponding to each SIM card at a time, where the IMEI may be understood as the identity of a card slot, and one IMEI may uniquely identify a card slot.
It should be understood that a cell corresponding to an IMEI at a moment is a cell used by a terminal when performing related services (e.g., data services, voice services, etc.) based on a SIM card corresponding to the IMEI.
In an alternative implementation, the server may obtain the signaling data of the plurality of terminals in different network formats from different types of structures. Specifically, the server may include an IU interface, an S1-MME interface, and an N1/N2 interface, and the server may obtain signaling data in a 3G network system from the IU interface, obtain signaling data in a 4G network system from the S1-MME interface, and obtain signaling data in a 5G network system from the N1/N2 interface, respectively.
S102, the server determines a track similarity before the first IMEI and the second IMEI based on the cell corresponding to the first IMEI at each time and the cell corresponding to the second IMEI at each time.
Wherein the first IMEI is one of a plurality of IMEIs, the first i characters in the second IMEI are the same as the first i characters in the first IMEI, and i is an integer greater than or equal to 1.
It should be appreciated that the trajectory of one IMEI is used to characterize the location of the IMEI at each of a plurality of times, and that the server may determine the trajectory similarity between the first IMEI and the second IMEI based on the location of the first IMEI at each of the plurality of times and the location of the second IMEI at each of the plurality of times, the trajectory similarity between the first IMEI and the second IMEI being used to characterize the degree of similarity between the location of the first IMEI at each of the plurality of times and the location of the second IMEI at each of the plurality of times.
It may be appreciated that when the first IMEI corresponds to the first cell at the first time, it is indicated that the first cell is providing the network service for the first IMEI, and the location of the first IMEI at the first time is closer to the location of the first cell, where the server may determine the location of the first cell as the location of the first IMEI at the first time.
In an implementation manner of the embodiment of the present invention, the server may obtain the location of the first cell from a base station corresponding to the first cell.
It will be appreciated that one IMEI includes a plurality of characters, and when the first IMEI is the same as the first i characters of the second IMEI, it is indicated that the terminal model corresponding to the first IMEI is the same as the terminal model corresponding to the second IMEI, and at this time, the server may determine whether the trajectories of the two corresponding to the same terminal model are the same.
Optionally, the first IMEI may consist of 15 digits, where the first 6 digits are a model approval number (type approval code, TAC) of the IMEI, representing the model of the terminal to which the first IMEI corresponds, the 7 th and 8 th digits are the last assembly number (final assembly code, FAC) of the IMEI, representing the place of production of the terminal to which the first IMEI corresponds, the 9 th to 14 th digits are the factory number (SNR) of the IMEI, and the 15 th digit is a check code.
For example, i may be equal to 8, the first 8-bit character in the first IMEI may be the same as the first 8-bit character of the second IMEI, it may also be understood that the TAC of the first IMEI is the same as the TAC of the second IMEI, and the FAC of the first IMEI is the same as the FAC of the second IMEI, at this time, the server may determine that the model of the terminal corresponding to the first IMEI is the same as the model of the terminal corresponding to the second IMEI, and the origin of the terminal corresponding to the first IMEI is the same as the origin of the terminal corresponding to the second IMEI, since one terminal may include one or more IMEIs, at this time, the server may determine that the terminal corresponding to the first IMEI may be the same terminal corresponding to the second IMEI.
S103, when the track similarity between the first IMEI and the second IMEI is greater than or equal to the similarity threshold, the server determines that the second IMEI belongs to the first terminal.
The first terminal is a terminal corresponding to the first IMEI in the plurality of terminals.
It should be understood that, when the track similarity between the first IMEI and the second IMEI is greater than or equal to the similarity threshold, it is indicated that the track similarity between the first IMEI and the second IMEI is greater, and among the two IMEIs corresponding to the same terminal model, the number of similar positions is greater in the multiple positions where the first IMEI is located at multiple times than in the multiple positions where the second IMEI is located at multiple times, where the server may determine that the first IMEI and the second IMEI belong to the same terminal, and because the terminal corresponding to the first IMEI is the first terminal, the server may determine that the second IMEI also belongs to the first terminal.
It will be appreciated that when the similarity of the trajectories between the first IMEI and the second IMEI is smaller than the similarity threshold, it is indicated that the similarity of the trajectories between the first IMEI and the second IMEI is smaller, and the number of similar positions is smaller in a plurality of positions where the first IMEI is located at a plurality of times than in a plurality of positions where the second IMEI is located at a plurality of times in two IMEIs corresponding to the same terminal model, at this time, the server may determine that the first IMEI and the second IMEI belong to the same terminal,
In an optional implementation manner, after determining that the first IMEI and the second IMEI belong to the same terminal, the server may determine that the terminal performs more related services based on the SIM card corresponding to the first IMEI based on the signaling data of the first MIEI and the signaling data of the second IMEI, and at this time, the server may perform service recommendation, such as giving out a flow, increasing a call duration, etc., to the SIM card corresponding to the second IMEI, so as to improve the usage rate of the terminal for the SIM card corresponding to the second IMEI.
The technical scheme provided by the embodiment at least has the following beneficial effects: the step S101-S103 is that the server may obtain signaling data of a plurality of terminals, and then determine, based on a cell corresponding to each moment of the first IMEI and a cell corresponding to the second IMEI, a trajectory similarity between the first IMEI and the second IMEI, where the trajectory similarity is used to characterize a similarity between a location of each moment of the first IMEI and a location of each moment of the second IMEI, where the trajectory similarity between the first IMEI and the second IMEI is greater than or equal to a similarity threshold, where the server determines that the second IMEI belongs to a first terminal, and the first terminal is a terminal corresponding to the first IMEI. In the invention, the first IMEI and the first IMEI have the same character, so the terminal model corresponding to the first IMEI is the same as the terminal model corresponding to the second IMEI, the server determines that the data corresponding to the first IMEI and the data corresponding to the second IMEI are the data of the same terminal when the number of the similar positions is large in a plurality of positions of the first IMEI and the second IMEI at a plurality of times in the two IMEIs corresponding to the same terminal model, and the effectiveness of terminal identification is improved.
In an implementation manner of the embodiment of the present invention, the plurality of time instants are time instants included in a preset time period, the signaling data includes a plurality of cells, and referring to fig. 1, as shown in fig. 2, the server determines a track similarity between a first IMEI and a second IMEI based on a cell corresponding to each time instant of the first IMEI and a cell corresponding to each time instant of the second IMEI, and specifically includes S1021-S1023.
S1021, the server determines the first number.
The first number is used for representing the times of the first IMEI and the second IMEI corresponding to the same cell at the same time in the preset time period.
It is understood that the plurality of cells includes cells corresponding to each of the plurality of IMEIs at each of the plurality of times.
It should be understood that when the number of times of the cell corresponding to the first IMEI and the second IMEI at the same time is the same, it is indicated that the location of the terminal corresponding to the first IMEI and the location of the terminal corresponding to the second IMEI are both within the coverage area of the cell, the location of the first IMEI is the same as the location of the second IIMEI, or the distance between the location of the first IMEI and the location of the second IIMEI is relatively short.
It can be understood that when the value of the first number is larger, it is indicated that the number of times of corresponding to the same cell at the same time within the preset time period of the first IMEI is larger, and the number of times that the terminal corresponding to the first IMEI is closer to the terminal corresponding to the second IMEI in the plurality of times is larger, and when the value of the first number is larger, the server can determine that the track of the first IMEI is more similar to the track of the second IMEI.
Optionally, the signaling data of the first IMEI and the signaling data of the second IIMEI may include an identifier of a cell, and the server may determine, based on the identifier of the cell, the number of times of the same cell corresponding to the first IMEI and the second IMEI at the same time.
For example, assuming that there are 5 times in the preset time period, the cell corresponding to the first IMEI at time 1 is cell a, the cell corresponding to time 2 is cell a, the cell corresponding to time 3 is cell B, the cell corresponding to time 4 is cell C and the cell corresponding to time 5 is cell D, the cell corresponding to the second IMEI at time 1 is cell E, the cell corresponding to time 2 is cell E, the cell corresponding to time 3 is cell B, the cell corresponding to time 4 is cell C and the cell corresponding to time 5 is cell D, at this time, the server may determine that the first IMEI and the second IMEI correspond to the same cells at time 3, time 4 and time 5, and the cells corresponding to the 3 times are cell B, cell C and cell D, respectively, so that the server determines that the first number is 3.
In an optional implementation manner, the first time may be further used to characterize the number of times the first IMEI corresponds to the first cell at the first time within the preset time period, the second IIMEI corresponds to the first cell at the second time, and a difference between the first time and the second time is less than or equal to a duration threshold.
Alternatively, the duration threshold may be 1 minute.
Alternatively, the preset time period may be 24 hours.
S1022, the server determines the second number.
The second number is used for representing the times that the first IMEI corresponds to a first cell at a first time within the preset time period and the second IMEI corresponds to a second cell at the first time, the first time is any one of the multiple times, the first cell is any one of the multiple cells, and the distance between the second cell and the first cell is smaller than or equal to a distance threshold.
It should be appreciated that when the distance between the second cell and the first cell is less than or equal to a distance threshold, the distance between the second cell and the first cell is indicated to be closer, and when the first IMEI corresponds to the first cell at a first time and the second IMEI corresponds to the second cell at the first time, the distance between the terminal to which the first IMEI corresponds and the terminal to which the second IMEI corresponds is also indicated to be closer.
For example, assuming that there are 5 times within the preset time period, the cell corresponding to the first IMEI is the cell a at the time 1, the cell corresponding to the time 2 is the cell a, the cell corresponding to the time 3 is the cell B, the cell corresponding to the time 4 is the cell C and the cell corresponding to the time 5 is the cell D, the cell corresponding to the second IMEI is the cell E at the time 1, the cell corresponding to the time 2 is the cell E, the cell corresponding to the time 3 is the cell B, the cell corresponding to the time 4 is the cell C and the cell corresponding to the time 5 is the cell D, the distance between the cell a and the cell E is 100 meters, at this time, the server may determine that the cell corresponding to the first IMEI and the second IMEI is different at the time 1 and the time 2, and the distance between the cell a and the cell E is less than the distance threshold, so that the server determines that the second number is 2.
In an implementation manner of the embodiment of the present invention, network systems of cells corresponding to the first IMEI and the second IMEI at the same time are different, so that identifiers of cells corresponding to the first IMEI and the second IMEI at the same time are different, for example, the first cell is a 5G cell, and the second cell is a 4G cell.
In an alternative implementation, the operator corresponding to the first cell and the operator corresponding to the second cell may be different, resulting in different identities of the cells corresponding to the first IIMEI and the second IMEI at the same time.
Alternatively, the distance threshold may be 200 meters.
S1023, the server determines the track similarity between the first IMEI and the second IMEI based on the first number and the second number.
In one implementation of the embodiment of the present invention, the server may determine the sum of the first number and the second number as the trajectory similarity between the first IMEI and the second IMEI.
In an alternative implementation, the server may also assign a first weight parameter to the first number, assign a second weight parameter to the second number, and then determine a sum between the first product and the second product as a trajectory similarity between the first IMEI and the second IMEI, where the first product is a product between the first number and the first weight parameter, and the second product is a product between the second number and the second weight parameter.
In this case, the similarity threshold may be understood as a number threshold.
In an implementation manner of the embodiment of the present invention, the plurality of time instants are time instants included in a preset time period, the signaling data includes a plurality of cells, and, as shown in fig. 3 in connection with fig. 1, the server determines a track similarity between a first IMEI and a second IMEI based on a cell corresponding to each time instant of the first IMEI and a cell corresponding to each time instant of the second IMEI, and specifically further includes S1024-S1025.
S1024, the server determines the third number.
The third number is used for representing the number of times that the first IMEI corresponds to a first cell at a first time and the second IIMEI corresponds to a second cell at a second time within a preset time period, the first time is any one of the multiple times, a difference value between the second time and the first time is less than or equal to a duration threshold, the first cell is any one of the multiple cells, and a distance between the second cell and the first cell is less than or equal to a distance threshold.
It can be appreciated that when the first IMEI corresponds to a first cell at a first time and the second IIMEI corresponds to a second cell at a second time within the preset time period, and the distance between the first cell and the second cell is less than or equal to a distance threshold, and the difference between the first time and the second time is less than or equal to a duration threshold, it is indicated that the positions of the first IMEI and the second IMEI at similar times are similar, and when the third number is greater, it is indicated that the trajectories of the first IMEI and the second IMEI within the preset time period are relatively similar.
S1025, the server determines the track similarity between the first IMEI and the second IMEI based on the third number.
It will be appreciated that when the third number is greater, the tracks between the first IMEI and the second IMEI are similar, the server may determine the third number as a similarity of tracks between the first IMEI and the second IMEI, and when the third number is greater than a similarity threshold, the server may determine that the second IMEI belongs to the first terminal.
In another alternative implementation manner, the server may further determine a fourth number, where the fourth number is a number of times of a plurality of times included in the signaling data corresponding to the first IMEI within a preset period, and then determine a ratio between the third number and the fourth number as a trajectory similarity between the first IMEI and the second IMEI, where the similarity threshold is a percentage, and the similarity threshold is 80% by way of example.
In an implementation manner of the embodiment of the present invention, the plurality of time instants are time instants included in a preset time period, where the preset time period includes M time intervals, M is an integer greater than or equal to 2, and referring to fig. 1, as shown in fig. 4, after the server obtains signaling data of a plurality of terminals, the terminal identification method further includes S1026-S1027.
S1026, the server determines N time intervals based on the cell corresponding to the first IMEI at each time and the cell corresponding to the second IMEI at each time.
The resident cell corresponding to each time interval in the N time intervals is the same as the resident cell corresponding to each time interval in the second IMEI, and N is an integer greater than or equal to 1.
It should be understood that a resident cell of one IMEI in a time interval is a cell with a larger number of cell identities among the cell identities included in the signaling data of the one IMEI in the time interval.
For example, the first IMEI includes 5 times in the time interval 1, and the cell identities corresponding to the 5 times are respectively cell a, cell B, cell C, cell a, and cell a, where the server determines that the resident cell of the first IMEI in the time interval 1 is cell a.
It is understood that when the resident cell corresponding to the first IMEI in the first time interval is the same as the resident cell corresponding to the second IMEI in the first time interval, the location of the first IMEI in the first time interval is similar to the location of the second IMEI in the first time interval, and when the value of N is larger, the locations of the first IMEI and the second IMEI are similar.
It should be noted that, among the M time intervals, each time interval includes at least two moments.
S1027, the server determines the track similarity between the first IMEI and the second IMEI based on the N and the M.
It is understood that the track similarity between the first IMEI and the second IMEI may also be used to characterize the similarity between the resident cell of the first IMEI and the resident cell of the second IMEI within a preset period of time.
In one implementation manner of the embodiment of the present invention, the server may determine the ratio of N to M as the track similarity between the first IMEI and the second IMEI, where the similarity threshold is a ratio threshold.
For example, assuming a preset time period of 24 hours, which includes 4 time intervals of 8:00-12:00,12:00-18:00,18:00-22:00, and 22:00-8:00, respectively, the resident cells of the first IMEI in 8:00-12:00 are cell A, the resident cells of the second IMEI in 8:00-12:00 are also cell A, the resident cells of the first IMEI in 12:00-18:00 are cell A, the resident cells of the second IMEI in 12:00-18:00 are also cell A, the resident cells of the first IMEI in 18:00-22:00 are cell B, the resident cells of the second IMEI in 18:00-22:00 are cell D, the resident cells of the first IMEI in 22:00-8:00 are cell C, the resident cells of the second IMEI in 22:00-8:00 are also cell C, at this time, the server can determine that M is 4, N is 3, and the track similarity is 75%.
In an alternative implementation, a time interval may be understood as a time period, which may be 24 hours (i.e. one day), and the preset time period may include M time periods, and the server may determine that the first IMEI is a daily resident cell and the second IMEI is a daily resident cell, and determine that the first IMEI is a daily resident cell and the second IMEI is a daily resident cell for the same number of days as the trajectory similarity.
In connection with the above description of the embodiments, it should be understood that, in an alternative implementation manner, an IMEI corresponds to a SIM card at a time, where the preset time period further includes a target time, where the target time is a time when the IMEI corresponding to the same SIM card changes, specifically, between the target times, the IMEI corresponding to the SIM card is a first IMEI, after the target time, the IMEI corresponding to the SIM card is a second IMEI, where the server may determine a resident cell corresponding to each of a plurality of time intervals before the target time in the preset time period of the first IMEI, and a resident cell corresponding to each of a plurality of time intervals before the target time in the preset time period of the second IMEI, then determine a target value, and when the target value is greater than or equal to a value threshold, determine that the terminal corresponding to the SIM card is unchanged, and determine that the SIM card has replaced a card slot at the target time.
For example, before the target time, the resident cell of 8:00-12:00 a day is a, the resident cell of 22:00-8:00 a day is B, after the target time, the resident cell of 8:00-12:00 a day is a, the resident cell of 22:00-8:00 a day is B, at this time, the server may determine that the SIM card changes the card slot at the target time, and determine that the first IMEI and the second IMEI belong to the same terminal.
The embodiment of the invention can divide the functional modules of the server and the like according to the method example, for example, each functional module can be divided corresponding to each function, and two or more functions can be integrated in one processing module. The integrated modules may be implemented in hardware or in software functional modules. It should be noted that, in the embodiment of the present invention, the division of the modules is schematic, which is merely a logic function division, and other division manners may be implemented in actual implementation.
In the case of dividing the respective functional modules with the respective functions, fig. 5 shows a schematic diagram of one possible configuration of the terminal identification device involved in the above-described embodiment, and as shown in fig. 5, the terminal identification device 10 may include: an acquisition module 101 and a determination module 102.
The obtaining module 101 is configured to obtain signaling data of a plurality of terminals, where the signaling data includes a plurality of IMEIs, and a cell corresponding to each of the plurality of IMEIs at each of a plurality of moments.
A determining module 102, configured to determine a trajectory similarity between a first IMEI and a second IMEI based on a cell corresponding to the first IMEI at each time and a cell corresponding to the second IMEI at each time, where the first IMEI is one of the plurality of IMEIs, and a first i character in the second IMEI is the same as a first i character in the first IMEI, and i is an integer greater than or equal to 1.
The determining module 102 is further configured to determine that the second IMEI belongs to a first terminal, where the first terminal is a terminal corresponding to the first IMEI among the plurality of terminals, when a similarity of a track between the first IMEI and the second IMEI is greater than or equal to a similarity threshold.
Optionally, the plurality of time instants are time instants included in a preset time period, and the signaling data includes a plurality of cells.
The determining module 102 is specifically configured to determine a first number, where the first number is used to characterize the number of times that the first IMEI and the second IMEI correspond to the same cell at the same time in the preset time period.
The determining module 102 is specifically configured to determine a second number, where the second number is used to characterize a number of times that the first IMEI corresponds to a first cell at a first time and the second IMEI corresponds to a second cell at the first time within the preset time period, the first time is any one of the multiple times, the first cell is any one of the multiple cells, and a distance between the second cell and the first cell is less than or equal to a distance threshold.
The determining module 102 is specifically configured to determine the trajectory similarity between the first IMEI and the second IMEI based on the first number and the second number.
Optionally, the plurality of time instants are time instants included in a preset time period, and the signaling data includes a plurality of cells.
The determining module 102 is specifically further configured to determine a third quantity, where the third quantity is used to characterize, in the preset period of time, that the first IMEI corresponds to a first cell at a first time, and that the second IMEI corresponds to a second cell at a second time, where the first time is any one of the multiple times, a difference between the second time and the first time is less than or equal to a duration threshold, the first cell is any one of the multiple cells, and a distance between the second cell and the first cell is less than or equal to a distance threshold.
The determining module 102 is specifically further configured to determine a trajectory similarity between the first IMEI and the second IMEI based on the third number.
Optionally, the plurality of time instants are time instants included in a preset time period, the preset time period includes M time intervals, and M is an integer greater than or equal to 2.
The determining module 102 is specifically further configured to determine N time intervals based on a cell corresponding to the first IMEI at each time and a cell corresponding to the second IMEI at each time, where a resident cell corresponding to each time interval of the first IMEI in the N time intervals is the same as a resident cell corresponding to the second IMEI in each time interval, and N is an integer greater than or equal to 1.
The determining module 102 is specifically further configured to determine a trajectory similarity between the first IMEI and the second IMEI based on N and M.
In the case of an integrated unit, fig. 6 shows a schematic diagram of one possible configuration of the terminal identification device involved in the above-described embodiment. As shown in fig. 6, the terminal identification device 20 may include: a processing module 201 and a communication module 202. The processing module 201 may be configured to control and manage the operation of the terminal identification device 20. The communication module 202 may be used to support communication of the terminal identification device 20 with other entities. Optionally, as shown in fig. 6, the terminal identification device 20 may further comprise a storage module 203 for storing program codes and data of the terminal identification device 20.
Wherein the processing module 201 may be a processor or a controller. The communication module 202 may be a transceiver, a transceiver circuit, a communication interface, or the like. The storage module 203 may be a memory.
When the processing module 201 is a processor, the communication module 202 is a transceiver, and the storage module 203 is a memory, the processor, the transceiver, and the memory may be connected through a bus. The bus may be a peripheral component interconnect standard (PERIPHERAL COMPONENT INTERCONNECT, PCI) bus, or an extended industry standard architecture (extended industry standard architecture, EISA) bus, or the like. The buses may be divided into address buses, data buses, control buses, etc.
It should be understood that, in various embodiments of the present invention, the sequence numbers of the foregoing processes do not mean the order of execution, and the order of execution of the processes should be determined by the functions and internal logic thereof, 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 solution. 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 will be clear to those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described systems, apparatuses and units may refer to corresponding procedures in the foregoing method embodiments, and are not repeated herein.
The units described as separate units may or may not be physically separate, and units shown 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 may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In the above embodiments, it may be implemented in whole or in part by software, hardware, firmware, or any combination thereof. When implemented using a software program, it may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, the processes or functions described in accordance with embodiments of the present invention are produced in whole or in part. The computer may be a general purpose computer, a special purpose computer, a computer network, or other programmable apparatus. The computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be transmitted from one website, computer, server, or data center to another website, computer, server, or data center by a wired (e.g., coaxial cable, fiber optic, digital subscriber terminal line (Digital Subscriber Line, DSL)) or wireless (e.g., infrared, wireless, microwave, etc.) means. The computer readable storage medium may be any available medium that can be accessed by a computer or a data storage device including one or more servers, data centers, etc. that can be integrated with the medium. The usable medium may be a magnetic medium (e.g., floppy disk, hard disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., solid state disk (Solid STATE DISK, SSD)), etc.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (8)

1. A terminal identification method, the method comprising:
acquiring signaling data of a plurality of terminals, wherein the signaling data comprises a plurality of international mobile equipment identification codes (IMEIs) and cells corresponding to each time in a plurality of time, each time is a time included in a preset time period, and the signaling data comprises a plurality of cells;
determining the track similarity between a first IMEI and a second IMEI based on a cell corresponding to the first IMEI at each moment and a cell corresponding to the second IMEI at each moment, wherein the first IMEI is one of the plurality of IMEIs, the first i characters in the second IMEI are the same as the first i characters in the first IMEI, and i is an integer greater than or equal to 1;
Determining that the second IMEI belongs to a first terminal under the condition that the track similarity between the first IMEI and the second IMEI is greater than or equal to a similarity threshold, wherein the first terminal is a terminal corresponding to the first IMEI in the plurality of terminals;
The determining the track similarity between the first IMEI and the second IMEI based on the cell corresponding to the first IMEI at each time and the cell corresponding to the second IMEI at each time further includes:
Determining a third quantity, wherein the third quantity is used for representing the times that the first IMEI corresponds to a first cell at a first moment in the preset time period and the second IMEI corresponds to a second cell at a second moment in the preset time period, the first moment is any one of the moments, the difference value between the second moment and the first moment is smaller than or equal to a duration threshold value, the first cell is any one of the cells, and the distance between the second cell and the first cell is smaller than or equal to a distance threshold value;
And determining the track similarity between the first IMEI and the second IMEI based on the third quantity.
2. The terminal identification method according to claim 1, wherein the plurality of time instants are time instants included in a preset time period, the signaling data includes a plurality of cells, and the determining the trajectory similarity between the first IMEI and the second IMEI based on the cell corresponding to the first IMEI at each time instant and the cell corresponding to the second IMEI at each time instant includes:
Determining a first quantity, wherein the first quantity is used for representing the times of corresponding identical cells of the first IMEI and the second IMEI at the same moment in the preset time period;
Determining a second number, wherein the second number is used for representing the number of times that the first IMEI corresponds to a first cell at a first time within the preset time period and the second IMEI corresponds to a second cell at the first time, the first time is any one of the multiple times, the first cell is any one of the multiple cells, and the distance between the second cell and the first cell is less than or equal to a distance threshold;
And determining the track similarity between the first IMEI and the second IMEI based on the first quantity and the second quantity.
3. The terminal identification method according to claim 1, wherein the plurality of time instants are time instants included in a preset time period, the preset time period includes M time intervals, M is an integer greater than or equal to 2, and the determining the trajectory similarity between the first IMEI and the second IMEI based on the cell corresponding to the first IMEI at each time instant and the cell corresponding to the second IMEI at each time instant includes:
Determining N time intervals based on a cell corresponding to a first IMEI at each time and a cell corresponding to a second IMEI at each time, wherein a resident cell corresponding to each time interval in the N time intervals is the same as a resident cell corresponding to the second IMEI at each time interval, and N is an integer greater than or equal to 1;
And determining the track similarity between the first IMEI and the second IMEI based on N and M.
4. A terminal identification device, characterized by comprising: an acquisition module and a determination module;
the acquisition module is configured to acquire signaling data of a plurality of terminals, where the signaling data includes a plurality of international mobile equipment identifiers IMEIs, and cells corresponding to each of a plurality of IMEIs at each of a plurality of moments, where the plurality of moments are moments included in a preset time period, and the signaling data includes a plurality of cells;
The determining module is configured to determine a track similarity between a first IMEI and a second IMEI based on a cell corresponding to the first IMEI at each time and a cell corresponding to the second IMEI at each time, where the first IMEI is one of the plurality of IMEIs, a first i character in the second IMEI is the same as a first i character in the first IMEI, and i is an integer greater than or equal to 1;
the determining module is further configured to determine that the second IMEI belongs to a first terminal when a track similarity between the first IMEI and the second IMEI is greater than or equal to a similarity threshold, where the first terminal is a terminal corresponding to the first IMEI among the plurality of terminals;
The determining module is specifically configured to determine a third number, where the third number is used to characterize that, in the preset time period, the first IMEI corresponds to a first cell at a first time, and the second IMEI corresponds to a number of times of a second cell at a second time, where the first time is any one of the multiple times, a difference between the second time and the first time is less than or equal to a duration threshold, the first cell is any one of the multiple cells, and a distance between the second cell and the first cell is less than or equal to a distance threshold;
The determining module is specifically further configured to determine a trajectory similarity between the first IMEI and the second IMEI based on the third number.
5. The terminal identification device according to claim 4, wherein the plurality of time instants are time instants included in a preset time period, and the signaling data includes a plurality of cells;
The determining module is specifically configured to determine a first number, where the first number is used to characterize a number of times that the first IMEI and the second IMEI correspond to the same cell at the same time in the preset time period;
The determining module is specifically configured to determine a second number, where the second number is used to characterize a number of times that the first IMEI corresponds to a first cell at a first time and the second IMEI corresponds to a second cell at the first time within the preset time period, the first time is any one of the multiple times, the first cell is any one of the multiple cells, and a distance between the second cell and the first cell is less than or equal to a distance threshold;
the determining module is specifically configured to determine a trajectory similarity between the first IMEI and the second IMEI based on the first number and the second number.
6. The terminal identification device according to claim 4 or 5, wherein the plurality of time instants are time instants included in a preset time period, the preset time period includes M time intervals, and M is an integer greater than or equal to 2;
The determining module is specifically further configured to determine N time intervals based on a cell corresponding to a first IMEI at each time and a cell corresponding to a second IMEI at each time, where a resident cell corresponding to each time interval of the first IMEI in the N time intervals is the same as a resident cell corresponding to the second IMEI in each time interval, and N is an integer greater than or equal to 1;
the determining module is specifically further configured to determine a track similarity between the first IMEI and the second IMEI based on N and M.
7. A server, the server comprising:
A processor;
a memory configured to store the processor-executable instructions;
wherein the processor is configured to execute the instructions to implement the terminal identification method of any of claims 1-3.
8. A computer readable storage medium having instructions stored thereon, which, when executed by a server, enable the server to perform the terminal identification method according to any of claims 1-3.
CN202310027087.0A 2023-01-09 2023-01-09 Terminal identification method, device, server and storage medium Active CN116056067B (en)

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