CN100407847C - System and method for realizing mobile communication roaming user monitoring - Google Patents

System and method for realizing mobile communication roaming user monitoring Download PDF

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Publication number
CN100407847C
CN100407847C CN031366651A CN03136665A CN100407847C CN 100407847 C CN100407847 C CN 100407847C CN 031366651 A CN031366651 A CN 031366651A CN 03136665 A CN03136665 A CN 03136665A CN 100407847 C CN100407847 C CN 100407847C
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targeted customer
monitoring system
monitoring
equipment
mobile switch
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CN031366651A
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CN1549651A (en
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王剑峰
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Abstract

The present invention discloses a method for realizing the monitoring of mobile communication roaming users. The present invention comprises the procedures: a communication interface between a monitoring system and an attribution position register is established, and a monitoring attribute is arranged in the attribution position register where a monitored target user opens an account; the attribution position register monitors the action of the target user and reports information to a monitoring system; the monitoring system determines a current service mobile exchange device of the target user according to the reported information, and the mobile exchange device is set for monitoring the target user. The present invention discloses a system for realizing the monitoring of mobile communication roaming users simultaneously, the system comprises the monitoring system, the attribution position register and the mobile exchange device, wherein the monitoring system is connected with the mobile exchange device is connected with the attribution position register through the communication interface for completing information interaction. Thus legal tracking and monitoring to roaming users in mobile communication systems are realized by the method that mobile exchange devices of user service are changed into monitoring systems which report conditions in time.

Description

Realize system and method thereof that the mobile communication roamer monitors
Technical field
The present invention relates to the monitoring technique of mobile communication, be meant a kind of system and method thereof that realizes that the mobile communication roamer monitors especially.
Background technology
In recent years, the telecommunications Lawful Interception more and more has been subjected to the generally attention of countries in the world as cooperating the important means of hitting various crimes, safeguarding national security.Existing mobile communication monitoring system structure comprises two parts referring to shown in Figure 1: monitoring system 101 and mobile switch equipment 102.Monitoring system is responsible for targeted customer's management, the Collection and analysis of monitoring information; Mobile switch equipment is responsible for monitored object user's activity, and in time reports targeted customer's action message and Content of Communication.
In present mobile communication legal interception system, monitoring system 101 monitor at mobile switch equipment 102 generally be Visited Mobile Switching Center (VMSC, Visited Mobile-servicesSwitching Center) or service universal packet wireless business (GPRS) support node (SGSN, ServingGPRS Support Node) of being engaged in.By the targeted customer is set among the VMSC,, and in time targeted customer's action message and Content of Communication are reported to monitoring system to realize monitoring to the targeted customer by the activity of VMSC monitored object user's communications.
Yet, because mobile communication system is compared the mobility that difference is terminal with the fixed network communication system, the targeted customer is fixed in the service range of a VMSC, and the user may be roamed into the service area of another VMSC along with the variation in geographical position by a VMSC.And existing monitoring system is owing to only establish a connection with VMSC, and only the targeted customer who set among the VMSC is monitored, so, if targeted customer's service VMSC changes, because monitoring system can't be known the service VMSC after the targeted customer roams definitely, can't set the monitoring to the targeted customer in new service VMSC.Therefore, when targeted customer's service area changed, monitoring system will be monitored targeted customer's tracking and lose because of the service VMSC that can't know the current place of targeted customer.
Referring to shown in Figure 2, Fig. 2 monitors the schematic diagram of an embodiment to the roamer for existing monitoring system.Monitoring system and three VMSC have the monitoring interface, and have set the monitoring to targeted customer A in VMSC1 and VMSC2.When targeted customer A when VMSC1 roams into VMSC2, the service VMSC of user A just switches to VMSC2 by VMSC1, because monitoring system has also been set the monitoring to targeted customer A in VMSC2, so the monitoring activity can continue to implement; And when targeted customer A when VMSC1 roams into VMSC3, the service VMSC of user A switches to VMSC3 by VMSC1, because monitoring system is not set the monitoring to targeted customer A in VMSC3, therefore, can't continue the targeted customer implemented to follow the tracks of to monitor.When the targeted customer roamed, the up-to-date service VMSC in the current place of targeted customer because monitoring system can't know for sure can't be set to the targeted customer up-to-date service VMSC in advance, so the monitoring that can't continue to implement the targeted customer is followed the tracks of.Because terminal mobility is the essential distinction that mobile communication system is different from the fixed network communication system, therefore have only the Lawful Interception problem that solves the roamer just to deserve to be called complete mobile communication legal interception system.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method that realizes that the mobile communication roamer monitors, make monitoring system in time know and transfer to the latest services mobile switch equipment and continue to monitor, thereby realize roamer's tracking is monitored with moving of active user.
Further purpose of the present invention provides a kind of system that realizes that the mobile communication roamer monitors, and realizes that the mobile subscriber also can follow the tracks of monitoring under roaming condition.
A kind of method that realizes that the mobile communication roamer monitors may further comprise the steps:
A) set up communication interface between monitoring system and the home location register equipment, and in the home location register equipment of being opened an account, set this targeted customer's monitoring attribute by the intercept target user;
B) the home location register equipment monitor is by intercept target user's activity, and the action message that the targeted customer is current reports monitoring system;
C) monitoring system is determined the service mobile switch equipment that the targeted customer is current according to the action message that reports, and is set to this mobile switch equipment the targeted customer is monitored.
This method step a) described in target setting user monitoring attribute specifically comprise:
A1) the monitoring system home location register equipment of opening an account to the targeted customer sends the setting request message that includes targeted customer's sign and monitoring attribute; A2) home location register equipment is set this targeted customer's data according to setting request message, and sends response message.
The described monitoring attribute of this method comprises: to effective zero-time of targeted customer's monitoring, effective concluding time.The mode that reports of targeted customer's action message this method step b) is to report when the current service mobile switch equipment of targeted customer changes.
This method step b) targeted customer's action message comprises described in: the mobile switch equipment sign of targeted customer's current service, or targeted customer's mobile switch equipment service area changes the service mobile switch equipment sign of front and back.This method step c) further comprises: judge whether the mobile switch equipment that reports is the mobile switch equipment of current monitoring, if then do not do operation, otherwise monitoring system is set to this mobile switch equipment that reports and monitors.
A kind of system that realizes that the mobile communication roamer monitors of the present invention, comprise monitoring system, home location register equipment and mobile switch equipment, monitoring system is connected by interface with mobile switch equipment, monitoring system is connected with home location register equipment by the communication interface of finishing information interaction, wherein, the home location register equipment monitor is by intercept target user's activity, and the action message that the targeted customer is current reports monitoring system; Monitoring system is determined the service mobile switch equipment that the targeted customer is current according to the action message that reports, and is set to this mobile switch equipment the targeted customer is monitored.
The described home location register equipment of this system is attaching position register, and the communication interface of home location register equipment and monitoring system comprises the X1 interface of command transmitting, the X2 interface of transport service.
The described home location register equipment of this system is home subscriber server (HSS, Home SubscriberServer), and the communication interface of home location register equipment and monitoring system comprises the X1 interface of command transmitting, the X2 interface of transport service.
The described mobile switch equipment of this system is a Visited Mobile Switching Center, and the communication interface of mobile switch equipment and monitoring system comprises the X1 interface of command transmitting, the X2 and the X3 interface of transport service.
The described mobile switch equipment of this system is a service universal packet wireless business affair support node, and the communication interface of mobile switch equipment and monitoring system comprises the X1 interface of command transmitting, the X2 and the X3 interface of transport service.
The present invention program is by increasing the interface between monitoring system and the home location register equipment, make monitoring system when the targeted customer serves the mobile switch equipment switching, can in time obtain the current up-to-date service mobile switch equipment information of targeted customer, and be set to this mobile switch equipment and monitor, thereby realize roamer's tracking is monitored, solved the monitoring Problem of Failure of existing mobile communication monitoring system the roamer.
Description of drawings
Fig. 1 is a prior art mobile communication subscriber legal interception system schematic diagram;
Fig. 2 monitors the schematic diagram of an embodiment to the roamer for existing monitoring system;
Fig. 3 realizes the system schematic that mobile communication system roaming user is monitored for the present invention;
Fig. 4 is targeted customer's setting process figure;
Fig. 5 cancels flow chart for the targeted customer;
Fig. 6 is targeted customer's action message report flow figure;
Fig. 7 upgrades roamer's open state position to monitor schematic diagram;
Fig. 8 monitors schematic diagram to roamer strange land start situation.
Embodiment
The present invention is further described in more detail below in conjunction with drawings and the specific embodiments.
In the home location register equipment of mobile communication system, preserve mobile subscriber's CAMEL-Subscription-Information, its function comprises: to management, the maintenance of mobile user data, the mobile subscriber sets, authentication, travelling carriage deactivation etc., when the mobile subscriber starts shooting, shuts down or roams into life events such as another mobile switch equipment service area from a mobile switch equipment service area, all will report home location register equipment.
So, the present invention is directed to above-mentioned these characteristics, in order to realize that the roamer is followed the tracks of monitoring, connect and cooperation at the interface that increases on the basis of existing mobile communication monitoring system between monitoring system and the home location register equipment, referring to shown in Figure 3, thereby report targeted customer's action message by home location register equipment, and increase monitoring system and home location register equipment simultaneously, cooperating between two class interfaces of monitoring system and mobile switch equipment, after angelica location register equipment reports targeted customer's the action message of monitoring, monitoring system is in time made a response, and adjusts the mobile switch equipment of being monitored.
The workflow that the inventive method is concrete comprises:
At first, in the home location register equipment that the intercept target user of institute opens an account, set this targeted customer's monitoring attribute, such as effective zero-time, concluding time etc.
For realize this process need set up between monitoring system and the HLR following cooperates machine-processed:
Referring to shown in Figure 4, Fig. 4 is monitoring system target setting user's in HLR a flow process.Home location register equipment in following examples adopts attaching position register (HLR), and mobile switch equipment adopts VMSC.
Step 401, the HLR that monitoring system is opened an account to the targeted customer sends and sets request message.The targeted customer sets request message and comprises that the targeted customer identifies, and various monitoring attribute, as monitors effective zero-time, concluding time etc.
Step 402, HLR sets this targeted customer's data according to setting request message, and sends response message, returns the monitoring system setting and finishes.
In this process, if monitoring system is not known the HLR that the targeted customer opens an account, monitoring system administrative authority can identify by the targeted customer, inquires about its place HLR that opens an account to telecom operators.
When the needs interruption is monitored the targeted customer, can adopt cancellation flow process shown in Figure 5:
Step 501, monitoring system sends targeted customer's cancel request message to HLR.Wherein, the targeted customer sets and comprises in the request message that the targeted customer identifies.
Step 502, HLR resets this target user data according to cancel request message, and sends response message, returns the monitoring system cancellation and finishes.
Secondly, after HLR ran succeeded to the setting request, home location register equipment began the monitored object user and reports targeted customer's action message.
The action message report flow is referring to shown in Figure 6:
Step 601, HLR is by sending the action message that targeted customer's action message reporting message reports the targeted customer to monitoring system, at least comprise the action message that start, VMSC service area upgrade in the reporting message, and the current place service of targeted customer VMSC sign, and also can further comprise place service VMSC sign when shutdown and user shut down.
At last, the action message that monitoring system reports by HLR obtains the service VMSC sign at the current place of targeted customer, is set to this mobile switch equipment again the targeted customer is monitored.
Flow process between the interface of this process need monitoring system and MSC, monitoring system and HLR cooperates.
Usually, user's roaming can be divided into two kinds of situations: a kind of situation, and as shown in Figure 7, the user roams into another VMSC service area by a VMSC service area under open state; Another kind of situation, as shown in Figure 8, the user, and is started shooting in another VMSC service area to another VMSC by a VMSC under off-mode.
At these two kinds of different situations, the action message content that HLR reports also can be slightly different:
When first kind of situation shown in Figure 7 takes place, comprise renewal preceding VMSC sign in position in the action message that HLR reports, i.e. VMSC1, and position upgrades back VMSC and identifies, i.e. VMSC2.At this moment, monitoring system determines that targeted customer A roams into VMSC2, utilizes the cooperation mechanism between the interface of monitoring system and VMSC, monitoring system and HLR, and targeted customer A is set among the VMSC2, finishes monitoring and tracking to targeted customer A by VMSC2.
Certainly, also can make it report the position to upgrade back VMSC sign, i.e. VMSC2 for first kind of situation HLR by HLR is set.
When second kind of situation shown in Figure 8 takes place, HLR will only report and comprise the current place service of user VMSC sign, i.e. VMSC2.At this moment, monitoring system is determined, targeted customer A is set among the VMSC2, finishes monitoring and tracking to targeted customer A by VMSC2.
For this situation, if the VMSC that comprises when the targeted customer shuts down in the action message that HLR reports being served sign, then monitoring system is in the current place service of definite targeted customer A VMSC process, also can increase the judgement flow process, judge promptly whether this VMSC is the VMSC at targeted customer place before shutdown last time, if, then do not do operation, otherwise, monitoring system is set to the targeted customer who reports serves VMSC, promptly VMSC2 monitors.
Here said monitoring system is to mobile switch equipment, and promptly the assignment procedure of VMSC and monitoring system target setting user's in HLR flow process is basic identical.That is: monitoring system sends to new VMSC and sets request message; VMSC sets this targeted customer's data according to setting request message, and sends response message, returns the monitoring system setting and finishes.Here the targeted customer sets request message and comprises that the targeted customer identifies, and various monitoring attribute, comprises monitoring effective zero-time, concluding time, also comprises the monitoring item types of voice or note etc. in addition.
After new VMSC setting is finished, can do the VMSC of former monitoring and monitor the cancellation setting, its workflow and step 501 do not add here and give unnecessary details to basic identical described in 502 yet.
According to said method, the present invention realizes that the system configuration of mobile communication system roaming user monitoring referring to shown in Figure 3, comprises three parts: monitoring system 101, mobile switch equipment 102 and home location register equipment 301.By interface transmission management of monitor signaling, mobile switch equipment 102 reports targeted customer's Content of Communication to monitoring system 101 between monitoring system 101 and the mobile switch equipment 102.Simultaneously also having set up interface between monitoring system 101 and the home location register equipment 301 is connected, and monitoring system 101 is monitored signaling with home location register equipment 301 by interactive interfacing, and home location register equipment 301 reports targeted customer's action message to monitoring system 101.The mobile switch equipment 102 that native system is suitable for can be VMSC, SGSN etc., and home location register equipment 301 can be HLR, HSS etc.Interface between monitoring system 101 and the mobile switch system 102 comprises signaling interface X1, business interface X2 and X3, and the interface between monitoring system 101 and the home location register equipment 301 comprises signaling interface X1, business interface X2.General X1 interface is realized comprising setting, inquiry, cancellation etc. to monitoring movable management; X2 interface reports the communication activity dependent event of target UE to monitoring system 102; The X3 interface reports the Content of Communication of target UE, for example call voice to monitoring system 101.
The present invention program is applicable to global system for mobile communications (GSM, G1obal System for MobileCommunication), code division multiple address communication system (CDMA, Code Division MultipleAccess), and Wideband Code Division Multiple Access (WCDMA) communication system (W-CDMA, Wide Code DivisionMultiple Access) Lawful Interception of mobile communication system such as, monitoring system monitor at mobile switch equipment can be VMSC, SGSN etc., home location register equipment can be HLR, home subscriber server etc.The invention solves the monitoring Problem of Failure of existing mobile communication legal interception system to the roamer.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (11)

1. a method that realizes that the mobile communication roamer monitors is characterized in that, may further comprise the steps:
A) set up communication interface between monitoring system and the home location register equipment, and in the home location register equipment of being opened an account, set this targeted customer's monitoring attribute by the intercept target user;
B) the home location register equipment monitor is by intercept target user's activity, and the action message that the targeted customer is current reports monitoring system;
C) monitoring system is determined the service mobile switch equipment that the targeted customer is current according to the action message that reports, and is set to this mobile switch equipment the targeted customer is monitored.
2. method according to claim 1 is characterized in that, the user of target setting described in step a) monitoring attribute specifically comprises:
A1) the monitoring system home location register equipment of opening an account to the targeted customer sends the setting request message that includes targeted customer's sign and monitoring attribute;
A2) home location register equipment is set this targeted customer's data according to setting request message, and sends response message to monitoring system.
3. method according to claim 1 and 2 is characterized in that, described monitoring attribute comprises: to effective zero-time of targeted customer's monitoring, effective concluding time.
4. method according to claim 1 is characterized in that, the mode that reports of the action message of targeted customer described in the step b) is to report when the current service mobile switch equipment of targeted customer changes.
5. method according to claim 1, it is characterized in that, the action message of targeted customer described in the step b) comprises: the mobile switch equipment sign of targeted customer's current service, or targeted customer's mobile switch equipment service area changes the service mobile switch equipment sign of front and back.
6. method according to claim 1, it is characterized in that, step c) further comprises: judge whether the mobile switch equipment that reports is the mobile switch equipment of current monitoring, if, then do not do operation, otherwise monitoring system is set to this mobile switch equipment that reports the targeted customer is monitored.
7. system that realizes that the mobile communication roamer monitors, comprise monitoring system, home location register equipment and mobile switch equipment, monitoring system is connected by interface with mobile switch equipment, it is characterized in that: monitoring system is connected with home location register equipment by the communication interface of finishing information interaction
Wherein, the home location register equipment monitor is by intercept target user's activity, and the action message that the targeted customer is current reports monitoring system;
Monitoring system is determined the service mobile switch equipment that the targeted customer is current according to the action message that reports, and is set to this mobile switch equipment the targeted customer is monitored.
8. system according to claim 7 is characterized in that, described home location register equipment is attaching position register, and the communication interface of home location register equipment and monitoring system comprises the X1 interface of command transmitting, the X2 interface of transport service.
9. system according to claim 7 is characterized in that, described home location register equipment is home subscriber server, and the communication interface of home location register equipment and monitoring system comprises the X1 interface of command transmitting, the X2 interface of transport service.
10. system according to claim 7 is characterized in that described mobile switch equipment is a Visited Mobile Switching Center, and the communication interface of mobile switch equipment and monitoring system comprises the X1 interface of command transmitting, the X2 and the X3 interface of transport service.
11. system according to claim 7, it is characterized in that, described mobile switch equipment is a service universal packet wireless business affair support node, and the communication interface of mobile switch equipment and monitoring system comprises the X1 interface of command transmitting, the X2 and the X3 interface of transport service.
CN031366651A 2003-05-23 2003-05-23 System and method for realizing mobile communication roaming user monitoring Expired - Fee Related CN100407847C (en)

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Publication number Priority date Publication date Assignee Title
CN100438455C (en) * 2006-05-12 2008-11-26 华为技术有限公司 Method for implementing legal listening
CN102333333A (en) * 2011-10-12 2012-01-25 深圳市震有科技有限公司 Method for carrying out surveillance on call status of roaming mobile subscriber by home MSC (mobile switching centre)

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