CN108834124A - The recognition methods of 2G internet-of-things terminal and system - Google Patents
The recognition methods of 2G internet-of-things terminal and system Download PDFInfo
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- CN108834124A CN108834124A CN201810725846.XA CN201810725846A CN108834124A CN 108834124 A CN108834124 A CN 108834124A CN 201810725846 A CN201810725846 A CN 201810725846A CN 108834124 A CN108834124 A CN 108834124A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
- H04W8/04—Registration at HLR or HSS [Home Subscriber Server]
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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
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- Databases & Information Systems (AREA)
- Computer Networks & Wireless Communication (AREA)
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- Mobile Radio Communication Systems (AREA)
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Abstract
The present invention provides a kind of 2G internet-of-things terminal recognition methods and system, this method include：Statistics has the mobile number information of attachment behavior in predetermined period in HLR network element；User's communication list in detail is established according to mobile number information, user communication singly includes in detail the mobile number adhered in the HLR network element of 2G；The attribute information of mobile number is acquired, and number characteristic attribute is calculated according to attribute information；Whether the terminal that mobile number is judged according to number characteristic attribute is internet-of-things terminal；Establish the 2G internet-of-things terminal library of the mobile number comprising all internet-of-things terminals.2G internet-of-things terminal recognition methods provided by the invention can fast and effeciently identify 2G internet-of-things terminal, so as to solve the difficulty of clearing up and discharging of 2G network.
Description
Technical field
The present invention relates to fields of communication technology, and in particular, to a kind of 2G internet-of-things terminal recognition methods and system.
Background technique
Internet-of-things terminal is that Sensor Network network layers and transport network layer are connected in Internet of Things, realizes acquisition data and to network layer
The equipment for sending data.It is responsible for the multiple functions such as data acquisition, preliminary treatment, encryption, transmission.
In order to concentrate strength on pushing the development of 5G, mobile operator is in the lasting work of clearing up and discharging for carrying out 2G network in recent years.
But it is found during clearing up and discharging：There are problems that not identifying whether 2G terminal is internet-of-things terminal, therefore to work of clearing up and discharging
Cause many difficulties.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art, a kind of 2G internet-of-things terminal is proposed
Recognition methods and system can fast and effeciently identify 2G internet-of-things terminal, so as to solve the difficulty of clearing up and discharging of 2G network.
A kind of 2G internet-of-things terminal recognition methods is provided to achieve the purpose of the present invention, including：
Statistics has the mobile number information of attachment behavior in predetermined period in HLR network element；
User's communication list in detail is established according to the mobile number information, user's communication singly includes the HLR net in 2G in detail
The mobile number adhered in member；
The attribute information of the mobile number is acquired, and number characteristic attribute is calculated according to the attribute information；
Whether the terminal that the mobile number is judged according to the number characteristic attribute is internet-of-things terminal；
Establish the 2G internet-of-things terminal library of the mobile number comprising all internet-of-things terminals.
Optionally, described that the detailed single step of user's communication is established according to the mobile number information, including：
According to the HLR number in the mobile number information, mobile number is divided into：It is attached in the HLR network element of the 2G
Mobile number；And the mobile number adhered in the HLR network element of 3G or 4G, and it is respectively formed 2G-TEMP list and 3G/
4G-TEMP list；
Occur simultaneously in the 2G-TEMP list and 3G/4G-TEMP list from rejecting in the 2G-TEMP list
All records of number, and form new 2G-TEMP list.
Optionally, the attribute information of the acquisition mobile number, and number characteristic attribute is calculated according to the attribute information
The step of, including：
Attachment time, target ip address, data communication time and the data length that mobile number is acquired from BSS system are inclined
Difference；
According to the attachment time of the mobile number, target ip address, data communication time and data length variation, calculate
Adhere to number, Target IP quantity, frequency data communication, data length deviation and is lower than 30% accounting.
Optionally, the attachment number is equal to the summation of the record number of the attachment time；
The Target IP quantity is equal to after rejecting the duplicate target ip address, the remaining target ip address
Quantity summation；
The frequency data communication is equal on the same day, the difference of the adjacent data communication time；
The data length deviation meets following formula lower than 30% accounting：
C=S/10*T
Wherein, C is that the data length deviation is lower than 30% accounting；T is predetermined period；S is in the predetermined period T
It is interior, take 20 data length at random daily, and be divided into 10 groups, every group of data length percentage is that data length is most in the group
The difference of big value and minimum value is divided by minimum value.
Optionally, whether the terminal that the mobile number is judged according to the number characteristic attribute is internet-of-things terminal
The step of, including：
(A | X) is the probability of internet-of-things terminal assuming that P；
If P (A | X)>0.5, then judge the terminal of the mobile number for internet-of-things terminal；
If P (A | X)<=0.5, judge the terminal of the mobile number for non-internet-of-things terminal.
Optionally, the step in the 2G internet-of-things terminal library for establishing the mobile number comprising all internet-of-things terminals
Suddenly, including：
Terminal type is judged according to following rule：
If the corresponding SIM card of the mobile number is 3G or 4G, identify that the affiliated terminal of the mobile number is 2G Internet of Things
Terminal；
If the corresponding SIM card of the mobile number is 2G, by judge that internet-of-things terminal adhere to successfully or failure,
Judge terminal type；
Corresponding terminal iidentification is obtained from the HLR network element of the 2G according to the mobile number of the internet-of-things terminal
IMEI, and establish 2G internet-of-things terminal library；
By the step of whether being internet-of-things terminal from the terminal for judging the mobile number according to the characteristic attribute
In the mobile number of all 2G terminals that identifies be sent to 2G internet-of-things terminal library.
Optionally, if the corresponding SIM card of the mobile number is 2G, by judging that internet-of-things terminal adheres to successfully
Or unsuccessfully, to judge terminal type the step of, including：
If the corresponding SIM card of the mobile number is 2G, following methods are carried out：
The coding of the MSC of control internet-of-things terminal is obtained by the HLR of the 2G；
Attachment transfer request is sent to the MSC, it is desirable that the attach request of internet-of-things terminal is transmitted to certainly by the MSC
Oneself；
Attachment removal operation is completed to the internet-of-things terminal by the HLR of the 2G；
The attach request that internet-of-things terminal is initiated is received, and judges whether the terminal has 3G/4G service；
If so, then confirming that the terminal is 3G/4G terminal, adhere to successfully；If no, confirming, the terminal is 2G terminal, attached
Failure.
As another technical solution, the present invention also provides a kind of 2G internet-of-things terminal identifying systems comprising：
HLR statistic unit, for counting the mobile number information for having attachment behavior in HLR network element in predetermined period；
Communication statistic information unit, for being established according to the mobile number information, user's communication is single in detail, and user's communication is detailed
It singly include the mobile number adhered in the HLR network element of 2G；
Computing unit is acquired, for acquiring the attribute information of the mobile number, and according to attribute information calculating number
Code characteristic attribute；
Recognition unit, for judging whether the terminal of the mobile number is Internet of Things end according to the number characteristic attribute
End；
2G internet-of-things terminal library, the mobile number comprising all internet-of-things terminals.
Optionally, further include：
Terminal type judging unit, for judging according to following rule terminal type：
If the corresponding SIM card of the mobile number is 3G or 4G, identify that the affiliated terminal of the mobile number is 2G Internet of Things
Terminal；
If the corresponding SIM card of the mobile number is 2G, by judge that internet-of-things terminal adhere to successfully or failure,
Judge terminal type；
Corresponding terminal iidentification is obtained from the HLR network element of the 2G according to the mobile number of the internet-of-things terminal
IMEI, and establish 2G internet-of-things terminal library；
By the step of whether being internet-of-things terminal from the terminal for judging the mobile number according to the characteristic attribute
In the mobile number of all 2G terminals that identifies be sent to 2G internet-of-things terminal library.
Optionally, 2G internet-of-things terminal library includes the 2G internet-of-things terminal library table of external offer query service.
The invention has the advantages that：
In the technical solution of 2G internet-of-things terminal recognition methods provided by the invention and system, by 2G internet-of-things terminal
Carry out signature analysis, that is, statistics has the mobile number information of attachment behavior in predetermined period in HLR network element；According to mobile number
It is single in detail that code information establishes user's communication；The attribute information of mobile number is acquired, and number characteristic attribute is calculated according to attribute information；
Whether the terminal that mobile number is judged according to number characteristic attribute is internet-of-things terminal；Establish the shifting comprising all internet-of-things terminals
The 2G internet-of-things terminal library of dynamic number.Thus, it is possible to identify 2G internet-of-things terminal, fast and effeciently so as to solve 2G network
Difficulty of clearing up and discharging.
Detailed description of the invention
Fig. 1 is the flow diagram of 2G internet-of-things terminal recognition methods provided by the invention；
Fig. 2 is the functional block diagram of 2G internet-of-things terminal identifying system provided by the invention.
Specific embodiment
To make those skilled in the art more fully understand technical solution of the present invention, come with reference to the accompanying drawing to the present invention
The 2G internet-of-things terminal recognition methods of offer and system are described in detail.
Referring to Fig. 1,2G internet-of-things terminal recognition methods provided by the invention comprising：
Step S1, statistics have the mobile number information of attachment behavior in predetermined period in HLR network element.
Above-mentioned predetermined period can be selected according to the actual situation, such as 3~June.
HLR (Home Location Register, home location register), for being responsible for the data of mobile subscriber's management
Library specifically includes the HLR network element of 2G/3G/4G.
Above-mentioned mobile number information includes Subscriber Number, registion time, HLR number and SIM card type (2G/3G/4G)
Etc..
Step S2 establishes user's communication list in detail according to above-mentioned mobile number information, and user communication singly includes in detail 2G's
The mobile number adhered in HLR network element.
Further, above-mentioned steps S2 includes：
Step S21 is numbered according to the HLR in mobile number information, mobile number is divided into：It is attached in the HLR network element of 2G
Mobile number；And the mobile number adhered in the HLR network element of 3G or 4G, and it is respectively formed 2G-TEMP list and 3G/
4G-TEMP list；
Step S22 occurs in 2G-TEMP list and 3G/4G-TEMP list simultaneously from rejecting in 2G-TEMP list
All records of number, and form new 2G-TEMP list.
Step S3 acquires the attribute information of mobile number, and calculates number characteristic attribute according to the attribute information.
Further, above-mentioned steps S3 includes：
Step S31 acquires four attribute informations of mobile number, i.e., from BSS system：Adhere to the time, target ip address,
Data communication time and data length variation；
Step S32 calculates four number characteristic attributes, i.e., according to above-mentioned four attribute informations of mobile number：Attachment time
Number, Target IP quantity, frequency data communication, data length deviation are lower than 30% accounting.
In above-mentioned steps S32, the specific calculation of four number characteristic attributes is respectively：
Adhere to the summation that number is equal to the record number of attachment time.
Target IP quantity is equal to after rejecting duplicate target ip address, the quantity of remaining target ip address it is total
With；
Frequency data communication is equal on the same day, the difference of adjacent data communication time；
Data length deviation meets following formula lower than 30% accounting：
C=S/10*T
Wherein, C is that data length deviation is lower than 30% accounting；T is predetermined period；S be in predetermined period T, daily with
Machine takes 20 data length, and is divided into 10 groups, every group of data length percentage be in the group maximum value of data length with most
The difference of small value is divided by minimum value.
Step S4 judges whether the terminal of mobile number is internet-of-things terminal according to above-mentioned number characteristic attribute.
Further, above-mentioned steps S4 includes：
(A | X) is the probability of internet-of-things terminal assuming that P；
If P (A | X)>0.5, then judge the terminal of the mobile number for internet-of-things terminal；
If P (A | X)<=0.5, judge the terminal of the mobile number for non-internet-of-things terminal.
The probability P (A | X) of above-mentioned internet-of-things terminal can be specifically included by carrying out sample training acquisition：
Step S41, according to sample data, under conditions of calculating each number characteristic attribute, the probability P of internet-of-things terminal (A |
X)；
Step S42 acquires four number characteristic attributes of new mobile number；
Step S43, according to the probability tables of following formula and sample training, under the conditions of calculating four number characteristic attributes, object
The probability of networked terminals；
Whether step S44 is internet-of-things terminal according to the terminal of the probabilistic determination mobile number of internet-of-things terminal.
Table 1 is the probability tables of sample training
By above-mentioned table 1 it is found that four characteristic attribute values of acquisition new digit：In 90 days, the attachment number of terminal；Target IP
The quantity of address；Frequency data communication (in 30 days, less than 30 minutes 0-6 hours accountings)；Data length deviation is accounted for lower than 30%
Than.Then, according to the probability of following formula P (A | X)=P (X1 | A) P (X2 | A) P (X3 | A) P (X4 | A) and above-mentioned sample training
Table 1, under the conditions of calculating four number characteristic attributes, the probability of internet-of-things terminal.It whether is Internet of Things end according to the probabilistic determination
End, and form internet-of-things terminal table.The internet-of-things terminal table includes Subscriber Number and SIM card type (2G/3G/4G)
Step S5 establishes the 2G internet-of-things terminal library of the mobile number comprising all internet-of-things terminals.
Further, above-mentioned steps S5, including：
Step S51 judges terminal type according to following rule：
If the corresponding SIM card of mobile number is 3G or 4G, identify that the affiliated terminal of the mobile number is 2G internet-of-things terminal；
If the corresponding SIM card of mobile number is 2G, passes through and judge that internet-of-things terminal adheres to successfully or fails, to judge
Terminal type.
Following methods can specifically be carried out and judge terminal type：
Step S511 obtains the coding of the MSC of control internet-of-things terminal by the HLR of 2G.
Above-mentioned MSC is that the network equipment of information exchange functions is provided for communication apparatus.
Step S512 sends attachment transfer request to MSC, it is desirable that the attach request of internet-of-things terminal is transmitted to certainly by MSC
Oneself.
Adhering to transfer request includes Subscriber Number, signaling type (attachment/attachment removal) and the address HLR/AUC etc..
Step S513 completes attachment removal operation to the internet-of-things terminal by the HLR of 2G；
Step S514 receives the attach request that internet-of-things terminal is initiated, and judges whether the terminal has 3G/4G service；
If so, then confirming that the terminal is 3G/4G terminal, adhere to successfully；If no, confirming, the terminal is 2G terminal, attached
Failure.
Step S52 obtains corresponding terminal iidentification from the HLR network element of 2G according to the mobile number of internet-of-things terminal
IMEI, and establish 2G internet-of-things terminal library.2G internet-of-things terminal library includes Subscriber Number and termination number etc..
The mobile number of all 2G terminals identified from upper step S4 is sent to 2G internet-of-things terminal by step S53
Library.
In conclusion 2G internet-of-things terminal recognition methods provided by the invention, by carrying out feature to 2G internet-of-things terminal
Analysis, that is, statistics has the mobile number information of attachment behavior in predetermined period in HLR network element；It is built according to mobile number information
Vertical user's communication is single in detail；The attribute information of mobile number is acquired, and number characteristic attribute is calculated according to attribute information；According to number
Characteristic attribute judges whether the terminal of mobile number is internet-of-things terminal；Establish the mobile number comprising all internet-of-things terminals
2G internet-of-things terminal library.Thus, it is possible to fast and effeciently identify 2G internet-of-things terminal, it is tired so as to solve clearing up and discharging for 2G network
It is difficult.
As another technical solution, as shown in Fig. 2, the present invention also provides a kind of 2G internet-of-things terminal identifying system 1,
Including HLR statistic unit 11, communication statistic information unit 12, computing unit 13, recognition unit 14 and 2G internet-of-things terminal library 15 are acquired,
Wherein, HLR statistic unit 11 is used to count in the HLR network element of 2G/3G/4G attachment behavior in predetermined period in HLR network element
Mobile number information.
Communication statistic information unit 12 is used to establish user's communication list in detail according to mobile number information, and user communication singly includes in detail
The mobile number adhered in the HLR network element of 2G；
Computing unit 13 is acquired for acquiring the attribute information of mobile number from BSS system, and according to attribute information meter
Calculate number characteristic attribute.
Recognition unit 14 is used to judge whether the terminal of mobile number is internet-of-things terminal according to number characteristic attribute；
2G internet-of-things terminal library 15 includes the mobile number of all internet-of-things terminals.
Optionally, 2G internet-of-things terminal identifying system further includes：Terminal type judging unit, for right according to following rule
Terminal type is judged：
If the corresponding SIM card of mobile number is 3G or 4G, identify that the affiliated terminal of the mobile number is 2G internet-of-things terminal；
If the corresponding SIM card of mobile number is 2G, passes through and judge that internet-of-things terminal adheres to successfully or fails, to judge
Terminal type；
Corresponding terminal iidentification IMEI is obtained from the HLR network element of 2G according to the mobile number of internet-of-things terminal, and is established
2G internet-of-things terminal library；
It will be identified in the step of whether being internet-of-things terminal from the terminal for judging the mobile number according to characteristic attribute
The mobile numbers of all 2G terminals be sent to 2G internet-of-things terminal library.
Optionally, 2G internet-of-things terminal library 15 includes externally providing the 2G internet-of-things terminal library table of query service.
In conclusion 2G internet-of-things terminal identifying system provided by the invention, by carrying out feature to 2G internet-of-things terminal
Analysis, that is, statistics has the mobile number information of attachment behavior in predetermined period in HLR network element；It is built according to mobile number information
Vertical user's communication is single in detail；The attribute information of mobile number is acquired, and number characteristic attribute is calculated according to attribute information；According to number
Characteristic attribute judges whether the terminal of mobile number is internet-of-things terminal；Establish the mobile number comprising all internet-of-things terminals
2G internet-of-things terminal library.Thus, it is possible to fast and effeciently identify 2G internet-of-things terminal, it is tired so as to solve clearing up and discharging for 2G network
It is difficult.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, however the present invention is not limited thereto.For those skilled in the art, essence of the invention is not being departed from
In the case where mind and essence, various changes and modifications can be made therein, these variations and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a kind of 2G internet-of-things terminal recognition methods, which is characterized in that including：
Statistics has the mobile number information of attachment behavior in predetermined period in HLR network element；
User's communication list in detail is established according to the mobile number information, user's communication singly includes in detail in the HLR network element of 2G
The mobile number of attachment；
The attribute information of the mobile number is acquired, and number characteristic attribute is calculated according to the attribute information；
Whether the terminal that the mobile number is judged according to the number characteristic attribute is internet-of-things terminal；
Establish the 2G internet-of-things terminal library of the mobile number comprising all internet-of-things terminals.
2. 2G internet-of-things terminal recognition methods according to claim 1, which is characterized in that described according to the mobile number
Information establishes the detailed single step of user's communication, including：
According to the HLR number in the mobile number information, mobile number is divided into：Adhere in the HLR network element of the 2G
Mobile number；And the mobile number adhered in the HLR network element of 3G or 4G, and it is respectively formed 2G-TEMP list and 3G/4G-
TEMP list；
From the number that rejecting occurs simultaneously in the 2G-TEMP list and 3G/4G-TEMP list in the 2G-TEMP list
All records, and form new 2G-TEMP list.
3. 2G internet-of-things terminal recognition methods according to claim 1, which is characterized in that the category of the acquisition mobile number
Property information, and according to the attribute information calculate number characteristic attribute the step of, including：
Attachment time, target ip address, data communication time and the data length variation of mobile number are acquired from BSS system；
According to the attachment time of the mobile number, target ip address, data communication time and data length variation, attachment is calculated
Number, Target IP quantity, frequency data communication, data length deviation are lower than 30% accounting.
4. 2G internet-of-things terminal recognition methods according to claim 3, which is characterized in that the attachment number is equal to described
Adhere to the summation of the record number of time；
The Target IP quantity is equal to after rejecting the duplicate target ip address, the number of the remaining target ip address
The summation of amount；
The frequency data communication is equal on the same day, the difference of the adjacent data communication time；
The data length deviation meets following formula lower than 30% accounting：
C=S/10*T
Wherein, C is that the data length deviation is lower than 30% accounting；T is predetermined period；S is in the predetermined period T, often
It takes 20 data length at random, and is divided into 10 groups, and every group of data length percentage is the maximum value of data length in the group
Difference with minimum value is divided by minimum value.
5. 2G internet-of-things terminal recognition methods according to claim 1, which is characterized in that described according to the number feature
The step of whether terminal of mobile number described in determined property is internet-of-things terminal, including：
(A | X) is the probability of internet-of-things terminal assuming that P；
If P (A | X)>0.5, then judge the terminal of the mobile number for internet-of-things terminal；
If P (A | X)<=0.5, judge the terminal of the mobile number for non-internet-of-things terminal.
6. 2G internet-of-things terminal recognition methods according to claim 1, which is characterized in that described to establish comprising all described
The step of internet-of-things terminal library 2G of the mobile number of internet-of-things terminal, including：
Terminal type is judged according to following rule：
If the corresponding SIM card of the mobile number is 3G or 4G, identify that the affiliated terminal of the mobile number is 2G internet-of-things terminal；
If the corresponding SIM card of the mobile number is 2G, by judge that internet-of-things terminal adheres to successfully or unsuccessfully, to judge
Terminal type；
Corresponding terminal iidentification IMEI is obtained from the HLR network element of the 2G according to the mobile number of the internet-of-things terminal, and
Establish 2G internet-of-things terminal library；
It will know in the step of whether being internet-of-things terminal from the terminal for judging the mobile number according to the characteristic attribute
Not Chu the mobile numbers of all 2G terminals be sent to 2G internet-of-things terminal library.
7. 2G internet-of-things terminal recognition methods according to claim 6, which is characterized in that if the mobile number pair
The SIM card answered is 2G, then by judge that internet-of-things terminal adheres to successfully or unsuccessfully, the step of to judge terminal type, including：
If the corresponding SIM card of the mobile number is 2G, following methods are carried out：
The coding of the MSC of control internet-of-things terminal is obtained by the HLR of the 2G；
Attachment transfer request is sent to the MSC, it is desirable that the attach request of internet-of-things terminal is transmitted to oneself by the MSC；
Attachment removal operation is completed to the internet-of-things terminal by the HLR of the 2G；
The attach request that internet-of-things terminal is initiated is received, and judges whether the terminal has 3G/4G service；
If so, then confirming that the terminal is 3G/4G terminal, adhere to successfully；If no, confirming, the terminal is 2G terminal, and attachment is lost
It loses.
8. a kind of 2G internet-of-things terminal identifying system, which is characterized in that including：
HLR statistic unit, for counting the mobile number information for having attachment behavior in HLR network element in predetermined period；
Communication statistic information unit, for being established according to the mobile number information, user's communication is single in detail, and the user communicates single packet in detail
Include the mobile number adhered in the HLR network element of 2G；
Computing unit is acquired, calculates number spy for acquiring the attribute information of the mobile number, and according to the attribute information
Levy attribute；
Recognition unit, for judging whether the terminal of the mobile number is internet-of-things terminal according to the number characteristic attribute；
2G internet-of-things terminal library, the mobile number comprising all internet-of-things terminals.
9. 2G internet-of-things terminal identifying system according to claim 8, which is characterized in that further include：
Terminal type judging unit, for judging according to following rule terminal type：
If the corresponding SIM card of the mobile number is 3G or 4G, identify that the affiliated terminal of the mobile number is 2G internet-of-things terminal；
If the corresponding SIM card of the mobile number is 2G, by judge that internet-of-things terminal adheres to successfully or unsuccessfully, to judge
Terminal type；
Corresponding terminal iidentification IMEI is obtained from the HLR network element of the 2G according to the mobile number of the internet-of-things terminal, and
Establish 2G internet-of-things terminal library；
It will know in the step of whether being internet-of-things terminal from the terminal for judging the mobile number according to the characteristic attribute
Not Chu the mobile numbers of all 2G terminals be sent to 2G internet-of-things terminal library.
10. 2G internet-of-things terminal identifying system according to claim 8, which is characterized in that 2G internet-of-things terminal library
Including externally providing the 2G internet-of-things terminal library table of query service.
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| CN114245441A (en) * | 2021-12-28 | 2022-03-25 | 天翼物联科技有限公司 | 5G networking method and system capable of meeting object and human scenes simultaneously |
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