CN1658584A - Method for implementing listening - Google Patents
Method for implementing listening Download PDFInfo
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- CN1658584A CN1658584A CN 200510051041 CN200510051041A CN1658584A CN 1658584 A CN1658584 A CN 1658584A CN 200510051041 CN200510051041 CN 200510051041 CN 200510051041 A CN200510051041 A CN 200510051041A CN 1658584 A CN1658584 A CN 1658584A
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- hlr
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Abstract
This invention discloses a method realizing monitoring, including: HLR according to the information sent by CN records the elimination position in the user's information and reports the target user's switch on and off incidence to the legal monitoring center according to the specific contents of elimination position, so the legal monitoring center only needs setting the target user in HLR to get the switch on and off events of target user, so as to improve the efficiency of monitoring.
Description
Technical field
The present invention relates to monitoring technique, be meant a kind of method that reports targeted customer's machine open/close incident realization to monitor by Home Location Register (HLR, HomeLocation Register) especially.
Background technology
Lawful Interception is meant that in the law allowed band activity of specific user's telecommunication service is monitored by state security department.Requirement according to state security department, the communication network of all operations must make the legal monitor centers (LIC, Lawful Information Center) of state security department monitor the targeted customer, and the monitoring interface of realizing monitoring is provided, as the Lawful Interception interface.Fig. 1 shows the monitoring structural representation, as shown in Figure 1, legal monitor centers is set the user who needs monitoring in communication network by the Lawful Interception interface, when the targeted customer communicates activity in communication network, communication network is with the communication event and the Content of Communication of targeted customer's communication activity, report to legal monitor centers by the Lawful Interception interface, legal monitor centers is finished the storage of relevant information and analysis, thereby realizes the monitoring to the targeted customer.Above-described communication network comprises PSTN (PSTN, Public SwitchedTelephone Network), global mobile communication (GSM, Global System for MobileCommunication) network, code division multiple access (CDMA, Code Division Multiple Access) communication network and Wideband Code Division Multiple Access (WCDMA) (WCDMA, the Wide Code Division MultipleAccess) communication network in future, next generation network (NGN) etc.
In the WCDMA communication network, what the targeted customer was implemented to monitor is communication equipment, can be MSC, HLR, short message service center (SMC), service universal grouping wireless business supporting node (SGSN, Serving GPRS Support Node), ggsn (GGSN, Gateway GPRS Support Node), GMLC (GMLC, Gateway MobileLocation Center) etc.
At present, communication service mainly is divided into two big classes, and a class is based on Circuit-switched Circuit Service, the another kind of packet-type business that is based on packet switching.
Fig. 2 shows the annexation schematic diagram of legal monitor centers and WCDMA communication network, as shown in Figure 2, legal monitor centers realizes the monitoring to targeted customer in the WCDMA communication network by the communication equipment in Lawful Interception interface and the WCDMA communication network, be connected as MSC, HLR, GMSC, SMSC, GMLC, SGSN, GGSN etc.
In the WCDMA mobile network, for HLR, the state event that does not exist the user to start shooting, shut down is not handled relevant start, shutdown message yet, and therefore, HLR can't accurately report targeted customer's start, shut down event to legal monitor centers.Like this, when the targeted customer roamed, legal monitor centers be probably owing to can't deploy to ensure effective monitoring and control of illegal activities to current place MSC of targeted customer or SGSN, and can't obtain targeted customer's start, shut down event, can not realize the monitoring to the targeted customer.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of method of monitoring of realizing, make HLR can accurately report targeted customer's machine open/close incident to legal monitor centers.
In order to achieve the above object, the invention provides a kind of method of monitoring of realizing, this method comprises:
The information that A, HLR report according to CN is removed the content of position in the recording user information, and removes the machine open/close incident of position content to the legal monitor centers report of user according to this.
Further comprised before the machine open/close incident of legal monitor centers report of user according to this removing position content described in the steps A: HLR determines the targeted customer that the user of user profile correspondence sets for legal monitor centers.
Described steps A is: HLR is invalid according to the removing request that CN sends with the removing position in the user profile, and according to being changed to the shut down event of invalid removing position to the legal monitor centers report of user.
Described removing position comprises that circuit type is removed the position and packet-type is removed the position, described in the steps A before the shut down event of legal monitor centers report of user, further comprise: HLR judge with described removing position be invalid before, it is invalid whether another removing position has been changed to, if then finish current flow process; Otherwise, to the shut down event of legal monitor centers report of user.
Described removing position comprises that circuit type is removed the position and packet-type is removed the position, and described removing request is that VLR sends to HLR, and described HLR is invalidly to be with the removing position in the user profile: HLR is invalid with the removing of the circuit type in user profile position; Or described removing request to be SGSN send to HLR, described HLR is invalidly to be with the removing position in the user profile: HLR removes the position with the packet-type in the user profile is invalid.
HLR described in the steps A receives after the removing request of CN transmission, further comprises: HLR returns to CN and removes response.
Described steps A is: the routing update that HLR reports according to CN is effectively with the removing position in the user profile, and according to being changed to effective start incident from the position to the legal monitor centers report of user that remove.
Described removing position comprises that circuit type is removed the position and packet-type is removed the position, described in the steps A before the start incident of legal monitor centers report of user, further comprise: HLR judges described removing position for before effective, whether another removes the position and has been changed to effectively, if then finish current flow process; Otherwise, to the start incident of legal monitor centers report of user.
Described removing position comprises that circuit type is removed the position and packet-type is removed the position, and described routing update is that VLR reports to HLR, described HLR with the removing position in the user profile for effectively to be: it is effective that HLR removes the position with the circuit type in the user profile; Or described routing update is that SGSN reports to HLR, described HLR with the removing position in the user profile for effectively to be: HLR removes the position for effectively with the packet-type in the user profile.
HLR described in the steps A receives after the routing update that CN reports, further comprises: HLR returns the routing update response to CN.
According to the proposed method, Purge position in the information recording user information that HLR reports according to CN, and report targeted customer's machine open/close incident to legal monitor centers according to the particular content of Purge position, make legal monitor centers only need target setting user in HLR, just can clearly know targeted customer's machine open/close incident, improve the efficient of Lawful Interception.
Description of drawings
Fig. 1 shows the monitoring structural representation;
Fig. 2 shows the annexation schematic diagram of legal monitor centers and WCDMA communication network;
Fig. 3 shows that HLR reports targeted customer's shut down event flow chart to legal monitor centers among the present invention;
Fig. 4 shows among the present invention HLR and reports targeted customer's event flow diagram of starting shooting to legal monitor centers.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with accompanying drawing.
In the mobile communications network, HLR is used to manage mobile subscriber's CAMEL-Subscription-Information and business information, these user profile comprise information such as IMSI International Mobile Subscriber Identity (IMSI, International Mobile SubscriberIdentity), current place core network (CN) sign, removing (Purge) position.Canned data can comprise circuit type user profile and packet-type user profile among the HLR.Wherein, comprise information such as IMSI, Visited Location Registor (VLR, Visitor Location Register), circuit type Purge position in the circuit type user profile; Comprise information such as IMSI, SGSN sign, packet-type Purge position in the packet-type user profile, packet-type Purge position can be GPRS (GPRS) Purge position.But the state of Purge position identifying user information, the i.e. current whether validity or not available of user profile.If the user is accessing mobile communication network or not at the service area of mobile communications network, then this user's user profile is invalid not, if the user in mobile communications network, then this user's user profile is effective.
By the current state of Purge bit-identify user profile, when the Purge position is put, show that this user's user profile is unavailable, this user is unreachable, with shielding all business to this user.When VLR or SGSN removing user profile, can send the Purge request to HLR, the content of carrying in this Purge request is as shown in Table 1.
| Parameter name | Remarks |
| IMSI | Essential |
| The VLR sign | Circuit domain is effective |
| The SGSN sign | Packet domain is effective |
| …… |
Table one
HLR is invalid with the Purge position after receiving the Purge request, shows that user profile is current invalid, and can return the Purge response to VLR or SGSN.When routing update takes place in the user, show that the user is online, invalid if the Purge position has been changed to, then HLR will be effective with the Purge position according to the notice of VLR or SGSN.Like this, HLR can determine targeted customer's machine open/close incident by the Purge position, and reports to legal monitor centers.
For example, the user is accessing mobile communication network or not at presence not such as service area of mobile communications network not, CN such as VLR or SGSN sends the Purge request to HLR, the Purge request that HLR sends according to CN such as VLR or SGSN, with the Purge position is 0, current invalid in order to identifying user information, if this user is the targeted customer that legal monitor centers is set, then to the shut down event of legal monitor centers report of user; CN such as VLR or SGSN reports routing update to HLR, show that the user is online, HLR is 1 with the Purge position, and is current effectively in order to identifying user information, if this user is the targeted customer that legal monitor centers is set, then to the start incident of legal monitor centers report of user.
When user profile is invalid, HLR will freeze user's Temporary Mobile Subscriber Identity (TMSI) or packet TMSI (P-TMSI), avoid repeating application.
Embodiment 1
Fig. 3 shows that HLR reports targeted customer's shut down event flow chart to legal monitor centers among the present invention, and as shown in Figure 3, HLR reports the processing procedure of targeted customer's shut down event may further comprise the steps to legal monitor centers:
When CN such as step 301～step 302:VLR or SGSN determine that the user is not online, will delete user's relevant information, and send the Purge request that carries user ID to HLR, notice HLR has deleted the relevant information of relative users.HLR is invalid with the Purge position after receiving the Purge request, returns the Purge response to CN such as VLR or SGSN then.
CN such as VLR or SGSN can determine whether the user is online according to whether at the appointed time receiving messages sent by users in the scope, if CN such as VLR or SGSN at the appointed time receive messages sent by users in the scope, determines that then the user is online; If CN such as VLR or SGSN does not at the appointed time receive messages sent by users in the scope, determine that then the user is not online.The user can be position updating request, call request etc. to the message that CN such as VLR or SGSN send.
Can comprise two Purge positions among the HLR in the stored user information, be respectively applied for the state of marker circuit territory user profile and the state of packet domain user information, like this, HLR is that invalid process is with the Purge position is invalid with circuit type Purge position or packet-type Purge position correspondingly, concrete processing is as follows: if HLR receives the Purge request that VLR sends, be invalid with circuit type Purge position then; If HLR receives the Purge request that SGSN sends, and is invalid with packet-type Purge position then, after HLR determined that the user is the targeted customer of legal monitor centers setting then, subsequent treatment was with execution in step 303; If only comprise a Purge position among the HLR in the stored user information, after then HLR determined that the user is the targeted customer of legal monitor centers setting, subsequent treatment is execution in step 304 directly.
Step 303:HLR judges whether to report to legal monitor centers targeted customer's shut down event according to two Purge positions, if put the Purge position be invalid before, it is invalid that two Purge positions all are not changed to, then execution in step 304; If put the Purge position and be invalid before, it is invalid that another Purge position except that being changed to invalid Purge position has been changed to, shows that HLR had reported targeted customer's shut down event to legal monitor centers, then finish current flow process.
Step 304:HLR reports targeted customer's shut down event to legal monitor centers.
Embodiment 2
Fig. 4 shows among the present invention HLR and reports targeted customer's event flow diagram of starting shooting to legal monitor centers, and as shown in Figure 4, HLR reports the start shooting processing procedure of incident of targeted customer may further comprise the steps to legal monitor centers:
After CN such as step 401～step 402:VLR or SGSN receive the position register request or position updating request that the user sends,, and provide user ID to HLR to the routing update of HLR report of user.After HLR receives the routing update that CN such as VLR or SGSN report, be effectively, return the routing update response to CN such as VLR or SGSN then the Purge position.
Can comprise two Purge positions among the HLR in the stored user information, be respectively applied for the state of marker circuit territory user profile and the state of packet domain user information, like this, HLR is that effective process is correspondingly circuit type Purge position or packet-type Purge position to effectively with the Purge position, concrete processing is as follows: if HLR receives the routing update that VLR reports, be effective with circuit type Purge position then; If HLR receives the routing update that SGSN reports, then be effectively with packet-type Purge position, after HLR determined that the user is the targeted customer of legal monitor centers setting then, subsequent treatment was with execution in step 403; If only comprise a Purge position among the HLR in the stored user information, after then HLR determined that the user is the targeted customer of legal monitor centers setting, subsequent treatment is execution in step 404 directly.
Step 403:HLR judges whether to report to legal monitor centers targeted customer's start incident according to two Purge positions, if put the Purge position for before effective, two Purge positions all are not changed to effectively, and then execution in step 404; If put the Purge position for before effective, another Purge position except that being changed to effective Purge position has been changed to effectively, shows that HLR had reported targeted customer's start incident to legal monitor centers, then finishes current flow process.
Step 404:HLR reports targeted customer's start incident to legal monitor centers.
In a word, the above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.
Claims (10)
1, a kind of method of monitoring of realizing is characterized in that this method comprises:
The information that A, HLR report according to CN is removed the content of position in the recording user information, and removes the machine open/close incident of position content to the legal monitor centers report of user according to this.
2, method according to claim 1, it is characterized in that further comprised before the machine open/close incident of legal monitor centers report of user according to this removing position content described in the steps A: HLR determines the targeted customer that the user of user profile correspondence sets for legal monitor centers.
3, method according to claim 1 and 2, it is characterized in that, described steps A is: HLR is invalid according to the removing request that CN sends with the removing position in the user profile, and according to being changed to the shut down event of invalid removing position to the legal monitor centers report of user.
4, method according to claim 3, it is characterized in that, described removing position comprises that circuit type is removed the position and packet-type is removed the position, described in the steps A before the shut down event of legal monitor centers report of user, further comprise: HLR judge with described removing position be invalid before, it is invalid whether another removing position has been changed to, if then finish current flow process; Otherwise, to the shut down event of legal monitor centers report of user.
5, method according to claim 3 is characterized in that,
Described removing position comprises that circuit type is removed the position and packet-type is removed the position,
To be VLR send to HLR in described removing request, and described HLR is invalidly to be with the removing position in the user profile: HLR removes the position with the circuit type in the user profile is invalid;
Or described removing request to be SGSN send to HLR, described HLR is invalidly to be with the removing position in the user profile: HLR removes the position with the packet-type in the user profile is invalid.
6, method according to claim 3 is characterized in that, HLR described in the steps A receives after the removing request of CN transmission, further comprises: HLR returns to CN and removes response.
7, method according to claim 1 and 2, it is characterized in that, described steps A is: the routing update that HLR reports according to CN is effectively with the removing position in the user profile, and according to being changed to effective start incident from the position to the legal monitor centers report of user that remove.
8, method according to claim 7, it is characterized in that, described removing position comprises that circuit type is removed the position and packet-type is removed the position, described in the steps A before the start incident of legal monitor centers report of user, further comprise: HLR judges described removing position for before effective, whether another removes the position and has been changed to effectively, if then finish current flow process; Otherwise, to the start incident of legal monitor centers report of user.
9, method according to claim 7 is characterized in that,
Described removing position comprises that circuit type is removed the position and packet-type is removed the position,
Described routing update is that VLR reports to HLR, described HLR with the removing position in the user profile for effectively to be: HLR removes the position for effectively with the circuit type in the user profile;
Or described routing update is that SGSN reports to HLR, described HLR with the removing position in the user profile for effectively to be: HLR removes the position for effectively with the packet-type in the user profile.
10, method according to claim 7 is characterized in that, HLR described in the steps A receives after the routing update that CN reports, further comprises: HLR returns the routing update response to CN.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510051041 CN1277376C (en) | 2005-02-25 | 2005-02-25 | Method for implementing listening |
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|---|---|---|---|
| CN 200510051041 CN1277376C (en) | 2005-02-25 | 2005-02-25 | Method for implementing listening |
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| CN1658584A true CN1658584A (en) | 2005-08-24 |
| CN1277376C CN1277376C (en) | 2006-09-27 |
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| CN 200510051041 Active CN1277376C (en) | 2005-02-25 | 2005-02-25 | Method for implementing listening |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100456707C (en) * | 2006-03-01 | 2009-01-28 | 华为技术有限公司 | System and method for restoring monitor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100456707C (en) * | 2006-03-01 | 2009-01-28 | 华为技术有限公司 | System and method for restoring monitor |
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| CN1277376C (en) | 2006-09-27 |
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