CN109673022B - Method and system for controlling L TE terminal by using signaling of multiple detection base stations - Google Patents
Method and system for controlling L TE terminal by using signaling of multiple detection base stations Download PDFInfo
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
- H04L63/101—Access control lists [ACL]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/08—Access security
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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Abstract
The invention discloses a method and a system for controlling a L TE terminal by utilizing signaling of a plurality of detection base stations, which comprises the following steps of setting a public network type detection base station as an adjacent cell of a public network, setting the routing area of the public network type detection base station to be different from that of the public network base station, triggering the routing area to update access, obtaining an identity code of a L TE terminal through a system command, judging a blacklist terminal through the identity code, redirecting the blacklist terminal to a next detection base station through access rejection, redirecting the next detection base station through mutual transmission among the plurality of detection base stations, enabling the blacklist L TE terminal to be absorbed by the detection base station through an access flow, namely always not enabling a L TE terminal to leave the detection base station, realizing the signal control of the blacklist L TE terminal, only needing to be initially set with no change in the follow-up process, reducing detection base station software related to change of TAC, absorbing a large number of L TE terminals, increasing the number of the detection base stations, and simultaneously increasing the absorption capacity.
Description
Technical Field
The invention relates to the field of mobile communication, in particular to a method and a system for controlling L TE terminals by utilizing signaling of a plurality of detection base stations.
Background
L TE (Long Term Evolution technology, L ong Term Evolution) is a high-speed wireless communication standard for mobile phones and data terminals in telecommunication, the current 4G L TE signal adopts bidirectional authentication, which means that a base station needs to verify the identity of the mobile phone and the mobile phone needs to verify the identity of a base station, once mutual authentication is successful, the two parties enter an encrypted communication mode, for the occasions that troops, courts, prisons and the like need to control a large number of mobile phones, a detection base station cannot pass the bidirectional authentication on the L TE terminal, and the detected blacklist cannot be left in the detection base station for a long time.
In view of this, it is a common practice in the industry to change the routing area (TAC or TAU for short) of the detection base station regularly within the time of the access delay timer, so that the mobile phone always follows the detection base station to perform access flow circulation without exiting the detection base station due to the change of the routing area, and it should be noted that this access is not a true access, and the access delay timer is refreshed only by using the change of the routing area, and since the speed of the change of the routing area is faster than the duration of the access delay timer (5 times T3430), the access delay timer (5 times T3430) is never cleared (if the 5 times T3430 is cleared, the mobile phone will list the base station as a blacklist, exit reselection, and no reselection to the base station is initiated afterwards), so that the mobile phone looks absorbed by the fake base station. Specifically, CN201710835493.4 discloses a method for maintaining a target connection state for a long period of time by using a pseudo base station for 4G sensing, in which a positioning device is used as a pseudo base station, and after the designated UE resides in the positioning device, the designated UE is positioned by using the positioning device, including continuously repeating the steps of triggering a routing area update request (tracking area up request) by modifying a routing area code TAC of the positioning device before connection timeout of the designated UE, so as to maintain a connection process, and support that there is unlimited time for obtaining a target accurate position in the process of positioning the designated UE. The purpose of this patent is to solve the specified UE disconnection problem in the above-mentioned process, solve the time limit that leads to because of TAU number of times in the positioning process, improve the location success rate. The above patent requires constant modification of TAC to achieve attachment to blacklisted handsets. The method has the advantages that the absorbed UE is limited by the detection base station (like frequency points in frequency distribution, the interference degree is large, the public network service is influenced), and the method cannot be turned to a better detection base station (like the detection base station arranged on an independent idle frequency band, more UE can be stably absorbed); the detection base station needs to add the detection base station software needed by changing the TAC, and other defects.
When the 3GPP protocol standard is established, a large amount of mobile phone service requests are considered to be possibly generated when emergencies and emergencies occur, the network availability is important for ensuring the safety of life and property, the network requests need to be scheduled in time, pressure is transferred, at this time, a large amount of safety measures such as authentication, encryption and integrity check can cause network bottleneck, and the availability is preferably considered under the condition that the availability and the safety are not compatible.
For example, the patent technologies of CN108289318A and the like make use of a redirection signaling principle, and specifically CN108289318A discloses a L TE terminal control method based on a signaling process, which first analyzes a system message block broadcasted by a current serving cell base station, analyzes downlink signal transmission frequencies and cell reselection priorities of a serving cell and an adjacent cell, selects to transmit a L TE induced signal at the highest frequency of the adjacent cell and the serving cell, induces an FDD-L TE terminal to initiate a tracking area update signaling process, and transmits a TAU reject signaling to the terminal, so that a L TE terminal initiates an Attach process, extracts an IMSI carried in an Attach Request, establishes a control white list and a black list, transmits a reject signaling to a target user whose IMSI is in the black list, transmits a reject signaling to a non-target user whose IMSI is in the white list, thereby realizing identity screening of the target user, completing communication blocking of the target user, ensuring communication of the non-target user.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a method and a system for controlling L TE terminals by utilizing a plurality of signaling detection base stations, which are suitable for occasions requiring to control a large number of mobile phones, such as armies, courts, prisons and the like.
The invention utilizes the principle of redirection signaling to ensure that L TE terminals in blacklists in the control area always reside in the detection base station, thereby ensuring the information security of the control area.
The invention aims to solve the technical scheme that a method for controlling L TE terminals by signaling of a plurality of detection base stations comprises at least two detection base stations, wherein the detection base stations at least comprise a public network type detection base station, the public network type detection base station is set to be an adjacent cell of a public network, and a routing area TAC of the public network type detection base station is different from a routing area TAC of the public network base station, and the specific control steps are as follows:
1) setting a white list for the public network type detection base station in advance, setting a white list for legal users, and obtaining a black list except the white list;
2) setting a public network facing type to detect the intensity of a covering signal of a base station, so that the intensity of the covering signal can meet the requirement of using a routing area update (TAURequest) function to reside and initiate a routing area update (TAU Request);
3) l TE terminal resides and initiates a routing area update Request (TAU Request) access, public network type detection base station requires the terminal to report the information through signaling NAS message (Identity Request) to obtain the L TE terminal Identity code, whether the L TE terminal is in the white list is judged by comparing the obtained Identity code with the preset white list, if the obtained Identity code is in the white list, the access is refused to return to the public network base station, if the obtained Identity code is in the black list, the access is refused and the next detection base station is forcibly distributed by utilizing a redirection function;
4) the forcibly distributed L TE terminal initiates initial access to the corresponding detecting base station, the corresponding detecting base station compares the L TE terminal identity code with a preset white list to judge whether the L TE terminal is the white list, if the corresponding detecting base station is judged to be in the white list, the corresponding detecting base station is redirected to a public network base station, and if the corresponding detecting base station is judged to be in the black list, the access is refused, and the forcibly distributed to the next detecting base station is realized through a redirecting function;
5) and 4) repeating the step 4) by the next detecting base station, so that L TE terminals in the blacklist always reside among the detecting base stations.
The routing area TAC facing the public network type detection base station is set to be different from the public network base station and can trigger a routing area updating process, the routing area TAC facing the public network type detection base station only needs to be set once initially, detection base station software needed to be relevant due to change of the TAC is reduced, in addition, the detection base station which is forcibly distributed to the L TE terminal in the step 4) carries out initial access on the L TE terminal, and the L TE terminal leaves the original network and is redirected to a new network, so the initiated access is the initial access.
As a technical solution, if the L TE terminal in step 4) is determined to be in the blacklist, the access is rejected and the next detected base station is assigned to be forced by using the redirection function, where the next detected base station may be a detected base station before forced assignment.
As another technical solution, each detecting base station sequentially redirects L TE terminals determined to be in the black list to be forcibly allocated to the next detecting base station.
Preferably, the detecting base stations include at least three or more detecting base stations, the detecting base stations include at least one public network-oriented detecting base station, and the public network-oriented detecting base station optimally allocates L TE terminals in the blacklist to the next detecting base station according to the load and signal coverage conditions of the detecting base stations.
Furthermore, the terminal is retained for a period of time in the access process of the L TE terminal, and the retention time does not exceed the waiting time of the access delay timer, wherein in the initial access mode, the waiting time does not exceed T3410 (see 3GPP ts 24.301 in particular), the waiting time of the public network L TE terminal in the routing area update mode does not exceed T3430 (the same as above), it should be noted that, according to the specification in the 3GPP protocol, T3410 and T3430 have a certain configurable range, the waiting time of the delay timer can be adjusted to be close to its upper limit within the allowable range according to the actual situation, that is, the values of T3410 and T3430 can be adjusted to be close to its upper limit, and the retention time is as close to the upper limit of the waiting time of the delay timer as possible.
Preferably, the L TE terminal is a L TE handset or a device utilizing a L TE network, for a L TE handset, the identity code is an IMSI code, and for a L TE terminal network device, the identity code is an IMEI.
The invention also provides a system for managing and controlling the L TE terminal by using the method, the management and control system comprises at least two detection base stations, the detection base stations at least comprise a public network-oriented detection base station, the public network-oriented detection base station is set as a neighboring cell of a public network, a tracking area TAC of the public network-oriented detection base station is different from a tracking area TAC of the public network base station, and the management and control system also comprises an intelligent distribution management module for distributing the detection base stations according to the conditions of load and signal coverage of the detection base stations.
The core mechanism of the invention is that a blacklist terminal is distinguished by triggering routing area update (TAU Request) access, an identity code of L TE terminal is obtained by a system command, the blacklist terminal is distinguished by the identity code, the blacklist terminal is redirected to the next detection base station by refusing access, the next detection base station is redirected to the next detection base station by refusing access, the L TE terminal of the blacklist is always adsorbed by the detection base station by the access flow through mutual transmission among a plurality of detection base stations, namely, the L TE terminal is not left from the detection base station all the time, thereby realizing the signal control of the L TE terminal of the blacklist.
The invention realizes the L TE terminals adsorbing a large number of blacklists by signaling of a plurality of detection base stations, can increase the adsorption capacity by increasing the number of the detection base stations for occasions needing to control a large number of L TE terminals, can almost know the number and information of the terminals reserved in the system in real time, can know the identities of all L TE terminals in the system because of the continuous process of accessing the identity judgment continuously, and can also enable the reserved mobile phones to quit the detection system and return to the public network base stations to become white lists if necessary.
The method has the advantages that only the tracking area TAC needs to be set initially, and does not need to be changed subsequently, so that the detection base station software needed by changing the TAC is reduced, a large number of L TE terminals can be adsorbed, the number of detection base stations is increased, and the adsorption capacity is increased.
Drawings
Fig. 1 is a schematic diagram of an access structure of a detecting base station in embodiment 1.
Fig. 2 is a schematic diagram of a structure for detecting access to a base station in embodiment 2.
Fig. 3 is a schematic diagram of a structure for detecting access to a base station in embodiment 2.
Detailed Description
The invention will be described in detail below with reference to the following drawings:
the invention discloses a method for controlling L TE terminal by signaling of a plurality of detecting base stations, wherein the detecting base stations comprise at least two detecting base stations, the detecting base stations at least comprise a public network type facing detecting base station, the public network type facing detecting base station is set as a neighboring cell of a public network, and a routing area TAC of the public network type facing detecting base station is different from a public network base station TAC, the specific control steps are as follows:
1) setting a white list for the public network type detection base station in advance, setting a white list for legal users, and obtaining a black list except the white list;
2) setting a public network facing type to detect the intensity of a covering signal of a base station, so that the intensity of the covering signal can meet the requirement of using a routing area update (TAURequest) function to reside and initiate a routing area update (TAU Request);
3) l TE terminal resides and initiates routing area update (TAU Request) access, public network type detection base station requires terminal to report its Identity information through signaling NAS message (Identity Request) to obtain the L TE terminal Identity code, through comparing the Identity code with preset white list, judges if the L TE terminal is in the white list, if it is in the white list, refuses access to return to the public network base station, if it is in the black list, refuses access and uses redirection function to force distribution to the next detection base station;
4) the detecting base station which is forcibly allocated with the L TE terminal performs initial access to the L TE terminal, judges whether the L TE terminal is a white list or not by comparing the obtained L TE terminal identity code with a preset white list, redirects to the public network base station if the L TE terminal is judged to be in the white list, refuses access if the white list is judged to be in the black list, and forcibly allocates to the next detecting base station through a redirection function;
5) and 4) repeating the step 4) by the next detecting base station, so that L TE terminals in the blacklist always reside among the detecting base stations.
The invention only needs to set the TAC initially, and does not need to change the TAC value of the routing area in the subsequent process. It should be noted that: the access delay timer can be held for a period of time in the access process, but the waiting time of the access delay timer is not exceeded.
The invention realizes the monitoring of the blacklist L TE terminal by the access flow adsorption mode of the detected base station by the L TE terminal of the blacklist through the mutual redirection among a plurality of detected base stations, so more detected base stations (such as annular or mesh mutual redirection L TE terminals) can be analogized, and the following typical modes are specifically explained:
example 1:
as shown in fig. 1, the access structure of a simple probing base station is a L TE handset at L TE terminal in this embodiment, the access structure includes two probing base stations, a public network-oriented probing base station, and a common probing base station (except for the public network-oriented probing base station), wherein the public network-oriented probing base station is configured as a cell adjacent to a public network and a routing area TAC of the cell is different from the public network base station TAC, a white list is set in advance for the public network-oriented probing base station, legal users are configured as a white list, and the white list is a black list, and a coverage signal strength of the public network-oriented probing base station is set to satisfy a requirement of using a routing area update (TAU Request) function to camp and initiate a routing area update (TAU Request).
L TE terminal resides and initiates routing area update (TAU Request) access, public network type detection base station requires terminal to report its IMSI information to obtain L TE mobile phone Identity IMSI, comparing IMSI with preset white list to judge if L TE mobile phone is in white list, if it is in white list, refusing access to return to public network base station, if it is in black list, refusing access and using redirection signaling to force distribution to common type detection base station, common type detection base station then force distributing L TE terminal in black list to public network type detection base station through redirection function, thus forming a cycle, and ensuring L TE terminal in black list to be resident all the time.
Example 2:
as shown in fig. 2, different from embodiment 1, this embodiment includes a plurality of detecting base stations, a public network-oriented detecting base station, and n common detecting base stations, wherein L TE terminals in the black list are forcibly distributed to the common detecting base station 1 through a redirection function, the common detecting base station 1 forcibly distributes L TE terminals in the black list to the common detecting base station 2 through the redirection function after distinguishing the black and white list, and as above, sequentially and forcibly distributes L TE terminals in the black list to the common detecting base station n through the redirection function, and the common detecting base station n forcibly distributes L TE terminals in the black list to the public network-oriented detecting base station through the redirection function, so as to form a cycle, thereby ensuring that L TE terminals in the black list are always in a residence state.
It should be noted that any of the above conventional detecting base stations can be replaced with a public network-oriented detecting base station.
Example 3:
as shown in fig. 3, only the redirection direction is shown, and other related descriptions are omitted, unlike embodiment 2, in this embodiment, L TE terminals in the black list are forcibly allocated to the next detecting base station not in a certain order but according to the load and signal coverage of the detecting base station in the case of being assigned to the public network detecting base station, here, for example, L TE terminals in the black list are forcibly allocated to the ordinary detecting base station 1 in the case of being assigned to the public network detecting base station, the ordinary detecting base station 1 forcibly allocates L TE terminals in the black list to the ordinary detecting base station 3 in the case of detecting the load and signal coverage of the detecting base station, the ordinary detecting base station 3 forcibly allocates L TE terminals in the black list to the public network detecting base station, the public network detecting base station forcibly allocates L TE terminals in the black list to the ordinary detecting base station 2 in the case of detecting the load and signal coverage of the ordinary detecting base station, and in conclusion, L TE terminals in the black list are always in the same residence state as in the ordinary detecting base station, and the ordinary detecting base station can be assigned to the alternative to the public network detecting base station.
The invention expands the application: the plurality of detection base stations adsorb the blacklist mobile phones through the signaling, resources can be shared, if total blacklist mobile phone information and quantity are obtained, load distribution and the like can be considered to enable adsorption function to be stable, and the fact that the blacklist mobile phones are separated from the detection base stations and can be found immediately can be known.
It should be understood that equivalent substitutions and changes to the technical solution and the inventive concept of the present invention should be made by those skilled in the art to the protection scope of the appended claims.
Claims (10)
1. A method for controlling L TE terminal by signaling of a plurality of detecting base stations is characterized in that the detecting base stations include at least two detecting base stations, the detecting base stations include at least one public network-oriented detecting base station, the public network-oriented detecting base station is set as a neighboring cell of a public network, a routing area TAC of the public network-oriented detecting base station is different from a routing area TAC of a public network base station, and the method is only set once initially, and the specific control steps are as follows:
1) setting a white list for the public network type detection base station in advance, setting a white list for legal users, and obtaining a black list except the white list;
2) setting the covering signal intensity facing to the public network type detection base station to ensure that the covering signal intensity can utilize the routing area updating function to reside and initiate the routing area updating;
3) l TE terminal resides to initiate route area updating access, public network type detecting base station compares obtained L TE terminal identity code with preset white list to judge whether L TE terminal is in white list, if yes, then refusing access to return to public network base station, if yes, then refusing access and forced distributing to next detecting base station through redirection function;
4) the forcibly distributed L TE terminal initiates initial access to the corresponding detecting base station, the corresponding detecting base station judges whether the L TE terminal is a white list or not by comparing the obtained L TE terminal identity code with a preset white list, if the corresponding detecting base station is judged to be in the white list, the corresponding detecting base station is redirected to a public network base station, and if the corresponding detecting base station is judged to be in the black list, the access is refused and the detecting base station is forcibly distributed to the next detecting base station through a redirecting function;
5) and 4) repeating the step 4) by the next detecting base station, so that L TE terminals in the blacklist always reside among the detecting base stations.
2. The method as claimed in claim 1, wherein the next detecting base station in step 4) is a detecting base station before forced allocation.
3. The method of claim 1, wherein each detecting base station sequentially forces the redirection of the L TE terminal determined as being in the blacklist to the next detecting base station.
4. The method as claimed in claim 1, wherein the detecting base stations include at least three or more detecting base stations, the detecting base stations include at least one public network-oriented detecting base station, and the public network-oriented detecting base station optimally allocates L TE terminals in a blacklist to a next detecting base station according to the conditions of detecting base station load and signal coverage.
5. The method as claimed in claim 1, wherein the detecting base stations other than the public network type detecting base station can be public network type detecting base stations.
6. The method of claim 1, wherein the L TE terminal stays for a period of time before the waiting time of the access delay timer is exceeded during the access procedure of the L TE terminal.
7. The method as claimed in claim 6, wherein the waiting time of the delay timer is adjusted to be close to the upper limit thereof within a permissible range according to actual conditions.
8. The method of claim 7, wherein the hold-up time is as close as possible to an upper limit of a waiting time of a delay timer.
9. The method as claimed in any of claims 1-8, wherein the L TE terminal is a L TE handset or a device utilizing a L TE network.
10. A system for controlling L TE terminal by signaling of a plurality of detecting base stations, wherein the control system comprises at least two detecting base stations, at least one detecting base station facing public network is included in the detecting base stations, the detecting base station facing public network is set as a neighboring cell of the public network and the tracking area is different from the tracking area of the public network base station, and is set only once initially, the control method specifically comprises the following steps:
1) setting a white list for the public network type detection base station in advance, setting a white list for legal users, and obtaining a black list except the white list;
2) setting the covering signal intensity facing to the public network type detection base station to ensure that the covering signal intensity can utilize the routing area updating function to reside and initiate the routing area updating;
3) l TE terminal resides to initiate route area updating access, public network type detecting base station compares obtained L TE terminal identity code with preset white list to judge whether L TE terminal is in white list, if yes, then refusing access to return to public network base station, if yes, then refusing access and forced distributing to next detecting base station through redirection function;
4) the forcibly distributed L TE terminal initiates initial access to the corresponding detecting base station, the corresponding detecting base station judges whether the L TE terminal is a white list or not by comparing the obtained L TE terminal identity code with a preset white list, if the corresponding detecting base station is judged to be in the white list, the corresponding detecting base station is redirected to a public network base station, and if the corresponding detecting base station is judged to be in the black list, the access is refused and the detecting base station is forcibly distributed to the next detecting base station through a redirecting function;
5) repeating step 4) by the next detecting base station in step 4), so that L TE terminals in the blacklist always reside among the detecting base stations;
the management and control system further comprises an intelligent distribution management module used for distributing the detecting base stations according to the conditions of the load and the signal coverage of the detecting base stations.
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| CN201811532034.XA CN109673022B (en) | 2018-12-14 | 2018-12-14 | Method and system for controlling L TE terminal by using signaling of multiple detection base stations |
| PCT/CN2019/080324 WO2020118972A1 (en) | 2018-12-14 | 2019-03-29 | Method and system of controlling lte terminal using signalings of a plurality of detection base stations |
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| CN201811532034.XA CN109673022B (en) | 2018-12-14 | 2018-12-14 | Method and system for controlling L TE terminal by using signaling of multiple detection base stations |
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| CN110896537B (en) * | 2019-12-19 | 2023-07-28 | 武汉虹信科技发展有限责任公司 | Communication management and control method and device |
| CN112188496B (en) * | 2020-10-21 | 2021-04-27 | 苏州智铸通信科技股份有限公司 | Terminal management and control method, device, equipment and medium in communication area |
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| CN107332803A (en) * | 2016-04-29 | 2017-11-07 | 北京北信源软件股份有限公司 | A kind of admittance control method and system based on end host safe condition |
| CN107342838B (en) * | 2017-06-12 | 2020-01-14 | 京信通信系统（中国）有限公司 | Method and system for realizing private network communication |
| CN107708115B (en) * | 2017-10-16 | 2020-11-06 | 奇酷互联网络科技（深圳）有限公司 | Redirection control method and device and mobile terminal |
| CN108233955A (en) * | 2018-01-11 | 2018-06-29 | 济南爱我本克网络科技有限公司 | Integrate the vehicular 4G cell phone managing and control system and method for shielding and management and control |
| CN108260124A (en) * | 2018-01-11 | 2018-07-06 | 阳光凯讯(北京)科技有限公司 | A kind of method for detecing code and management and control for 4G terminals |
| CN108289318A (en) * | 2018-01-26 | 2018-07-17 | 重庆邮电大学 | A kind of LTE terminal management-control method based on signaling process |
| CN108419230B (en) * | 2018-02-13 | 2021-03-16 | Oppo广东移动通信有限公司 | Communication method, base station and storage medium |
| CN108632822B (en) * | 2018-04-16 | 2021-06-15 | Oppo广东移动通信有限公司 | Wireless access point detection method, device and mobile terminal |
-
2018
- 2018-12-14 CN CN201811532034.XA patent/CN109673022B/en active Active
-
2019
- 2019-03-29 WO PCT/CN2019/080324 patent/WO2020118972A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| CN109673022A (en) | 2019-04-23 |
| WO2020118972A1 (en) | 2020-06-18 |
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