CN102098665B - Number backfilling supplement method and communication monitor system - Google Patents
Number backfilling supplement method and communication monitor system Download PDFInfo
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- CN102098665B CN102098665B CN 201110041588 CN201110041588A CN102098665B CN 102098665 B CN102098665 B CN 102098665B CN 201110041588 CN201110041588 CN 201110041588 CN 201110041588 A CN201110041588 A CN 201110041588A CN 102098665 B CN102098665 B CN 102098665B
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Abstract
The invention provides a number backfilling supplement method and a communication monitor system. The number backfilling supplement method comprises: a storage step, a supplement step and an inquiry step, wherein the storage step is used for monitoring a position updating flow of user equipment (UE) on an interface A, generating a mapping relationship between an international mobile subscriber identity (IMSI) and a temporary mobile subscriber identity (TMSI) of the UE and storing the relationship to a database, or updating the mapping relationship between the IMSI and the TMSI of the UE existing in the database; the supplement step is used for monitoring a paging flow of the UE at the network side on interface A, and generating the mapping relationship between the IMSI and the TMSI of theUE and storing the relationship to the database when the mapping relationship between the IMSI and the TMSI of the UE is not stored in the database; and the inquiry step is used for monitoring a preset service flow of the UE on the interface A, and inquiring the mapping relationship between the IMSI and the TMSI of the UE when the signal of the preset service flow does not carry the IMSI of the UE, and determining the IMSI of the UE. The communication monitor system can determine the real identity of the UE when the TMSI service flow only carrying the UE on the interface A is monitored.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of compensation process and communication monitoring system of number backfill.
Background technology
In mobile communication system, each moves UE (User Equipment) is by unique IMSI (International Mobile Subscriber Identity, international mobile subscriber identity) identifies, in order to guarantee safety of user information, in the operation flow on the A interface, usually adopt TMSI (Temporary Mobile Subscriber Identity, temporary mobile subscriber identity) to replace IMSI to come identifying user.TMSI is temporary mark, only in the effective time scope under some lane place effectively, same TMSI can distribute to different users in the different time, the TMSI that same user is assigned with in different time or different places is also also inequality.
The A interface refers to BSC (Base Station Controller, base station controller) and MSC (MobileSwitching Center, mobile switching centre) interface between, operation flow on the A interface is monitored, can obtain user position information, business information etc., and then can provide value added service according to those information.
Owing to only carry the TMSI of UE in the signaling of some operation flow, do not carry the IMSI of UE, therefore when those operation flows are monitored, only can monitor user's TMSI, mobile UE and TMSI do not have unique mapping relations, thereby can't know the true identity of UE according to the TMSI that monitors.
Summary of the invention
In view of this, the invention provides a kind of compensation process and communication monitoring system of number backfill, when some operation flow of only carrying TMSI on the A interface is monitored, also can determine the true identity of UE.
For addressing the above problem, the invention provides a kind of compensation process of number backfill, comprising: storing step, replenish step and query steps; Wherein, described storing step comprises: the position of the UE on the monitoring A interface is new technological process more, obtains the initial TMSI, initial position district sign indicating number of the described UE that more carries in the signaling of new technological process described position, effectively TMSI and active position district sign indicating number; According to initial TMSI and the initial position district sign indicating number of described UE, judge the mapping relations of the IMSI and the TMSI that whether store described UE in the described database; When the mapping relations of the IMSI that has stored described UE in the described database and TMSI, adopt described effective TMSI and active position district sign indicating number to replace TMSI and Location Area Code in the mapping relations of described UE; In described database, do not store the mapping relations of IMSI and the TMSI of described UE, judge whether described position more carries the IMSI of described UE in the signaling of new technological process; When described position more carries the IMSI of described UE in the signaling of new technological process, according to the IMSI of described UE, effectively TMSI and active position district sign indicating number, generate the mapping relations of IMSI and the TMSI of described UE, and described mapping relations are stored in the described database; Described replenish step comprises: monitor networking side on the described A interface to the paging flow process of described UE, obtain IMSI, TMSI and the Location Area Code of the described UE that carries in the signaling of described paging flow process; The IMSI of the described UE that carries in the signaling according to described paging flow process or the TMSI of described UE and Location Area Code are judged the mapping relations of the IMSI and the TMSI that whether store described UE in the described database; When the mapping relations of the IMSI that does not store described UE in the described database and TMSI, the IMSI of the described UE that carries in the signaling according to described paging flow process, TMSI and Location Area Code, generate the mapping relations of IMSI and the TMSI of described UE, and described mapping relations are stored in the described database; When the mapping relations of the IMSI that has stored described UE in the described database and TMSI, the mapping relations of keeping the IMSI of the described UE that stores in the described database and TMSI are constant;
Described query steps comprises: monitor the default operation flow of the described UE on the described A interface, judge the IMSI that whether carries described UE in the signaling of described default operation flow; When not carrying the IMSI of described UE in the signaling of described default operation flow, effective TMSI of the described UE that carries in the signaling according to described default operation flow and active position district sign indicating number, inquire about the mapping relations of IMSI and the TMSI of the described UE that stores in the described database, determine the IMSI of described UE.
Preferably, described position more new technological process be: the attachment flow of described UE, the normal position of described UE be the periodic location update flow process of new technological process or described UE more.
Preferably, also comprise the deletion step after the described storing step, described deletion step comprises: monitor the shutdown process of the described UE on the described A interface, obtain TMSI and the Location Area Code of the described UE that carries in the signaling of described shutdown process; The TMSI of the described UE that carries in the signaling according to described shutdown process and Location Area Code are inquired about mapping relations and the deletion of IMSI and the TMSI of the described UE that stores in the described database.
The present invention also provides a kind of communication monitoring system, comprise: memory module, the position that is used for the UE on the monitoring A interface is new technological process more, obtains the initial TMSI, initial position district sign indicating number of the described UE that more carries in the signaling of new technological process described position, effectively TMSI and active position district sign indicating number; According to initial TMSI and the initial position district sign indicating number of described UE, judge the mapping relations of the IMSI and the TMSI that whether store described UE in the described database; When the mapping relations of the IMSI that has stored described UE in the described database and TMSI, adopt described effective TMSI and active position district sign indicating number to replace TMSI and Location Area Code in the mapping relations of described UE; When the mapping relations of the IMSI that does not store described UE in the described database and TMSI, judge whether described position more carries the IMSI of described UE in the signaling of new technological process; When described position more carries the IMSI of described UE in the signaling of new technological process, according to the IMSI of described UE, effectively TMSI and active position district sign indicating number, generate the mapping relations of IMSI and the TMSI of described UE, and described mapping relations are stored in the described database; Complementary module for the paging flow process of the networking side on the described A interface of monitoring to described UE, is obtained IMSI, TMSI and the Location Area Code of the described UE that carries in the signaling of described paging flow process; The IMSI of the described UE that carries in the signaling according to described paging flow process or the TMSI of described UE and Location Area Code are judged the mapping relations of the IMSI and the TMSI that whether store described UE in the described database; When the mapping relations of the IMSI that does not store described UE in the described database and TMSI, the IMSI of the described UE that carries in the signaling according to described paging flow process, TMSI and Location Area Code, generate the mapping relations of IMSI and the TMSI of described UE, and described mapping relations are stored in the described database; When the mapping relations of the IMSI that has stored described UE in the described database and TMSI, the mapping relations of keeping the IMSI of the described UE that stores in the described database and TMSI are constant; Enquiry module is used for the default operation flow of the described UE on the described A interface of monitoring, judges the IMSI that whether carries described UE in the signaling of described default operation flow; When not carrying the IMSI of described UE in the signaling of described default operation flow, effective TMSI of the described UE that carries in the signaling according to described default operation flow and active position district sign indicating number, inquire about the mapping relations of IMSI and the TMSI of the described UE that stores in the described database, determine the IMSI of described UE.
Preferably, described position more new technological process be: the attachment flow of described UE, the normal position of described UE be the periodic location update flow process of new technological process or described UE more.
Preferably, described communication monitoring system also comprises: removing module, be used for the shutdown process of the described UE on the described A interface of monitoring, and obtain TMSI and the Location Area Code of the described UE that carries in the signaling of described shutdown process; The TMSI of the described UE that carries in the signaling according to described shutdown process and Location Area Code are inquired about the mapping relations of the IMSI of the described UE that stores in the described database and TMSI and with described mapping relations deletion.
The present invention has following beneficial effect: the IMSI by safeguarding UE and the mapping relations of TMSI, when some operation flow of the TMSI that only carries UE on the A interface is monitored, can determine the true identity of UE according to the mapping relations of the IMSI of the UE that safeguards and TMSI.Further, when the mapping relations of the IMSI that does not store described UE in network side paging UE and the database and TMSI, IMSI by replenishing described UE and the mapping relations of TMSI are improving the success rate of number backfill, thus the influence that unexpected factors such as minimizing Network Packet Loss are brought.
Description of drawings
Fig. 1 is the schematic flow sheet of the compensation process of number backfill of the present invention;
The schematic flow sheet of the Signalling exchange when Fig. 2 is attached to network for UE of the present invention on the A interface;
The schematic flow sheet of the Signalling exchange when Fig. 3 carries out the normal position renewal for UE of the present invention on the A interface;
The schematic flow sheet of the Signalling exchange when Fig. 4 is UE of the present invention shutdown on the A interface.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.
The invention provides a kind of compensation process of number backfill, the compensation process of described number backfill comprises storing step, replenish step and query steps;
Wherein, as shown in Figure 1, described storing step comprises again:
Step 101: the position of the UE on the monitoring A interface is new technological process more, obtains the initial TMSI, initial position district sign indicating number (LAC, Location AreaCode) of the described UE that more carries in the signaling of new technological process described position, effectively TMSI and active position district sign indicating number; Wherein, the A interface refers to BSC under the described UE and the interface between the MSC;
Step 102: according to initial TMSI and the initial position district sign indicating number of described UE, judge the mapping relations of the IMSI and the TMSI that whether store described UE in the described database; When the mapping relations of the IMSI that has stored described UE in the described database and TMSI, execution in step 103; In described database, do not store the mapping relations of IMSI and the TMSI of described UE, execution in step 104;
Step 103: adopt TMSI and Location Area Code in effective TMSI of described UE and the mapping relations that active position district sign indicating number is replaced described UE;
Step 104: judge whether described position more carries the IMSI of described UE in the signaling of new technological process; When described position more carries the IMSI of described UE in the signaling of new technological process, execution in step 105; Otherwise, finish;
Step 105: according to the IMSI of described UE, effective TMSI and active position district sign indicating number, generate the mapping relations of IMSI and the TMSI of described UE, and described mapping relations are stored in the described database;
Above-mentioned position more new technological process is: the attachment flow of described UE, the normal position of described UE be the periodic location update flow process of new technological process or described UE more.
Described replenish step comprises again:
Step 106: monitor networking side on the described A interface to the paging flow process of described UE, obtain IMSI, TMSI and the Location Area Code of the described UE that carries in the signaling of described paging flow process;
Step 107: the IMSI of the described UE that carries in the signaling according to described paging flow process or the TMSI of described UE and Location Area Code,, judge the mapping relations of the IMSI and the TMSI that whether store described UE in the described database; When the mapping relations of the IMSI that does not store described UE in the described database and TMSI, execution in step 108; When the mapping relations of the IMSI that has stored described UE in the described database and TMSI, finish, the mapping relations of namely keeping the IMSI of the described UE that stores in the described database and TMSI are constant;
Step 108: the IMSI of the described UE that carries in the signaling according to described paging flow process, TMSI and Location Area Code generate the mapping relations of IMSI and the TMSI of described UE, and described mapping relations are stored in the described database; Described query steps comprises again:
Step 109: monitor the default operation flow of the described UE on the described A interface, judge the IMSI that whether carries described UE in the signaling of described default operation flow; When not carrying the IMSI of described UE in the signaling of described default operation flow, execution in step 110; Otherwise, finish;
Step 110: effective TMSI of the described UE that carries in the signaling according to described default operation flow and active position district sign indicating number, the mapping relations of inquiring about IMSI and the TMSI of the described UE that stores in the described database are determined the IMSI of described UE.
Among the present invention, above-mentioned query steps is called number backfill step.
During network side paging UE, signaling between BSC and the MSC is referred to as described call signaling, among the present invention, namely be that described call signaling is monitored, obtain IMSI, TMSI and the Location Area Code of the described UE that carries in the described call signaling, concrete, be in the Paging signaling from the paging flow process, obtain IMSI, TMSI and the Location Area Code of described UE, and according to the IMSI of the UE that carries in the described paging signaling or TMSI and the Location Area Code of described UE, judge the mapping relations of the IMSI and the TMSI that whether store described UE in the described database; When the mapping relations of the IMSI that does not store described UE in the described database and TMSI, IMSI, TMSI and Location Area Code according to the described UE that carries in the described call signaling, generate the mapping relations of IMSI and the TMSI of described UE, and described mapping relations are stored in the described database; When the mapping relations of the IMSI that has stored described UE in the described database and TMSI, the mapping relations of keeping the IMSI of the described UE that stores in the described database and TMSI are constant.
By means of said method, when UE carries out the position renewal, safeguard the mapping relations of IMSI and the TMSI of UE, when the default operation flow of the TMSI that only carries UE on the A interface is monitored, can determine the true identity of UE according to the IMSI of the UE that safeguards and the mapping relations of TMSI.Further, when the mapping relations of the IMSI that does not store described UE in network side paging UE and the database and TMSI, replenish the IMSI and the mapping relations of TMSI of described UE, to improve the success rate of number backfill, the influence that factors such as minimizing Network Packet Loss are brought.
Below in conjunction with the attachment flow of UE, above-mentioned storing step is elaborated.
The schematic flow sheet of the Signalling exchange when being illustrated in figure 2 as UE and being attached to network on the A interface mainly may further comprise the steps:
BSC under the step 201:UE sends position updating request (Location UpdateRequest) to MSC, sets up SCCP (Skinny Call Control Protocol, Internal call control protocol) simultaneously and connects; Carry initial TMSI and the initial position district sign indicating number of described UE in the described position updating request, before so-called initial TMSI and initial position district sign indicating number refer to that described UE does not carry out the position renewal, the TMSI of storage inside and Location Area Code;
After step 202:MSC received position updating request, (CallControl, CC) message were determined to set up SCCP and are connected to send calling control to BSC;
Step 203:MSC sends class mark request (Classmark Request) to BSC, for parameters such as the power of asking UE, cryptographic algorithm;
Step 204:MSC sends authentication request (Aut hentication Request) to BSC;
Step 205:BSC sends the class mark to MSC and upgrades (Classmark update);
Step 206:BSC sends authentication responses (Authentication Response) to MSC;
Step 207:MSC sends identity information request (Identity Request) to BSC; Namely to UE request IMSI;
Step 208:BSC sends identity information to MSC and replys (Identity Response); During replying, carries described identity information the IMSI of described UE;
Step 209:MSC sends the position renewal to BSC and replys (Location Update Accept), carry effective TMSI and the active position district sign indicating number of described UE during described position is upgraded and replied, so-called effectively TMSI and active position district sign indicating number refer to that network side is the sign of the lane place at the newly assigned TMSI of described UE and the current place of described UE;
Step 210:BSC sends the TMSI reallocation to MSC and finishes (TMSI ReallocationComplete), determines to receive effective TMSI and the active position district sign indicating number of described UE;
Step 211:MSC sends clear command (Clear Command) to BSC;
Step 212:BSC sends to remove to MSC and finishes (Clear Complete);
Step 213:MSC sends RLSD to BSC;
Step 214:BSC sends RLC (radio link control) to MSC.
Wherein, in the attachment flow of above-mentioned UE, signaling between BSC and the MSC is referred to as the more signaling of new technological process of position, among the present invention, namely be to described position more the signaling of new technological process monitor, obtain the initial TMSI, initial position district sign indicating number of the described UE that more carries in the signaling of new technological process described position, effectively TMSI and active position district sign indicating number; According to initial TMSI and the initial position district sign indicating number of described UE, judge the mapping relations of the IMSI and the TMSI that whether store described UE in the described database; When the mapping relations of the IMSI that has stored described UE in the described database and TMSI, adopt TMSI and Location Area Code in effective TMSI of described UE and the mapping relations that active position district sign indicating number is replaced described UE; In described database, do not store the mapping relations of IMSI and the TMSI of described UE, judge whether described position more carries the IMSI of described UE in the signaling of new technological process; When described position more carries the IMSI of described UE in the signaling of new technological process, according to the IMSI of described UE, effectively TMSI and active position district sign indicating number, generate the mapping relations of IMSI and the TMSI of described UE, and described mapping relations are stored in the described database.
Concrete, the IMSI of described UE and the mapping relations of TMSI can adopt in the form preservation and database of form, and are as shown in table 1:
Table 1
The position of UE is upgraded and also comprised: the normal position is upgraded and periodic location update, and wherein, the normal position is upgraded when referring to that UE changes the lane place, to the MSC reported position; When periodic location update referred to UE idle condition timer expiry, switching on and shutting down, movement, calling or note etc. did not namely take place in a period of time, for preventing MSC with the overtime deletion of this UE, and the periodic report position of carrying out.
Below in conjunction with the normal position of UE new technological process more, above-mentioned storing step is elaborated.
Be illustrated in figure 3 as the schematic flow sheet that UE carries out normal position Signalling exchange on the A interface when upgrading, mainly may further comprise the steps:
BSC under the step 301:UE sends position updating request (Location UpdateRequest) to MSC, sets up SCCP (Skinny Call Control Protocol, Internal call control protocol) simultaneously and connects; Carry initial TMSI and the initial position district sign indicating number of described UE in the described position updating request.
After step 302:MSC received position updating request, (CallControl, CC) message were determined to set up SCCP and are connected to send calling control to BSC;
Step 303:MSC sends class mark request (Classmark Request) to BSC, for parameters such as the power of asking UE, cryptographic algorithm;
Step 304:BSC sends the class mark to MSC and upgrades (Classmark update);
Step 305:MSC sends identity information request (Identity Request) to BSC; MSC can be according to the initial position district sign indicating number of the described UE that carries in the position updating request in the step 301, judge that the initial position district of the lane place at the current place of described UE and described UE is whether under same switch, if the lane place at the current place of described UE and the initial position district of described UE are under same switch, then MSC does not ask IMSI to described UE in this step, if the lane place at the current place of described UE and the initial position district of described UE be not under same switch, then MSC can be to described UE request IMSI in this step;
Step 306:BSC sends identity information to MSC and replys (Identity Response); If MSC has asked IMSI to described UE, carry the IMSI of described UE during then described identity information is replied, if MSC does not carry the IMSI of described UE not to described UE request IMSI during then described identity information is replied.
Step 307:MSC sends authentication request (Aut hentication Request) to BSC;
Step 308:BSC sends authentication responses (Authentication Response) to MSC;
Step 309:MSC sends the position renewal to BSC and replys (Location Update Accept); During upgrading and reply, described position carries effective TMSI and the active position district sign indicating number of described UE;
Step 310:BSC sends the TMSI reallocation to MSC and finishes (TMSI ReallocationComplete), determines to receive effective TMSI and the active position district sign indicating number of described UE;
Step 311:MSC sends clear command (Clear Command) to BSC;
Step 312:BSC sends to remove to MSC and finishes (Clear Complete);
Step 313:MSC sends RLSD to BSC;
Step 314:BSC sends RLC to MSC.
Wherein, the normal position of above-mentioned UE is more in the new technological process, signaling between BSC and the MSC is referred to as the more signaling of new technological process of position, among the present invention, namely be to described position more the signaling of new technological process monitor, obtain the initial TMSI, initial position district sign indicating number of the described UE that more carries in the signaling of new technological process described position, effectively TMSI and active position district sign indicating number; According to initial TMSI and the initial position district sign indicating number of described UE, judge the mapping relations of the IMSI and the TMSI that whether store described UE in the described database; When the mapping relations of the IMSI that has stored described UE in the described database and TMSI, adopt described effective TMSI and active position district sign indicating number to replace TMSI and Location Area Code in the mapping relations of described UE; In described database, do not store the mapping relations of IMSI and the TMSI of described UE, judge whether described position more carries the IMSI of described UE in the signaling of new technological process; When described position more carries the IMSI of described UE in the signaling of new technological process, according to the IMSI of described UE, effectively TMSI and active position district sign indicating number, generate the mapping relations of IMSI and the TMSI of described UE, and described mapping relations are stored in the described database.
Be example with the mapping relations in the above-mentioned table 1, suppose that UE1 the normal position takes place upgrades, network side is that the new TMSI that UE1 distributes is TMSI (4) (being effective TMSI), UE1 moves to the position district (3) from lane place (1), wherein, lane place (3) and lane place (1) are under same switch, at this moment, adopt TMSI (4) and lane place (3) updating form 1, obtain the mapping relations in the table 2.
Table 2
In above-described embodiment for UE carries out the normal position when upgrading, the step of updating of the IMSI of UE and the mapping relations of TMSI, when introducing UE below and carrying out periodic location update, the step of updating of the IMSI of UE and the mapping relations of TMSI.
The flow process of the Signalling exchange the when flow process of the Signalling exchange when UE carries out periodic location update on the A interface is attached to network with UE on the A interface consistent (seeing also Fig. 2) no longer describes in detail at this.
Wherein, in the periodic location update flow process of UE, signaling between BSC and the MSC is referred to as the more signaling of new technological process of position, among the present invention, namely be to described position more the signaling of new technological process monitor, obtain the initial TMSI, initial position district sign indicating number of the described UE that more carries in the signaling of new technological process described position, effectively TMSI and active position district sign indicating number; According to initial TMSI and the initial position district sign indicating number of described UE, judge the mapping relations of the IMSI and the TMSI that whether store described UE in the described database; When the mapping relations of the IMSI that has stored described UE in the described database and TMSI, adopt described effective TMSI and active position district sign indicating number to replace TMSI and Location Area Code in the mapping relations of described UE; In described database, do not store the mapping relations of IMSI and the TMSI of described UE, judge whether described position more carries the IMSI of described UE in the signaling of new technological process; When described position more carries the IMSI of described UE in the signaling of new technological process, according to the IMSI of described UE, effectively TMSI and active position district sign indicating number, generate the mapping relations of IMSI and the TMSI of described UE, and described mapping relations are stored in the described database.
Be example with the mapping relations in the above-mentioned table 2, suppose the renewal of UE2 generating period position, network side is that the new TMSI that UE2 distributes is TMSI (5), the lane place at UE2 place does not change, the initial position district sign indicating number that is UE2 is identical with active position district sign indicating number, at this moment, adopt the TMSI (2) in TMSI (5) substitution list 1, obtain the mapping relations in the table 3.
Table 3
Among the present invention, when UE shuts down, need the IMSI of the described UE that stores in the delete database and the mapping relations of TMSI.That is, also comprise the deletion step after the above-mentioned storing step, described deletion step specifically comprises: monitor the shutdown process of the described UE on the described A interface, obtain TMSI and the Location Area Code of the described UE that carries in the signaling of described shutdown process; The TMSI of the described UE that carries in the signaling according to described shutdown process and Location Area Code are inquired about mapping relations and the deletion of IMSI and the TMSI of the described UE that stores in the described database.
Below in conjunction with the shutdown process of UE, above-mentioned deletion step is elaborated.
The schematic flow sheet of the Signalling exchange when being illustrated in figure 4 as the UE shutdown on the A interface mainly may further comprise the steps:
BSC under the step 401:UE sends IMSI to MSC and separates indication (IMSI DetachIndication), carries TMSI and the Location Area Code of described UE in the described IMSI separation command;
After step 402:MSC receives IMSI separation indication, send calling control (CC) message to BSC;
Step 403:MSC sends clear command (Clear Command) to BSC;
Step 404:BSC sends to remove to MSC and finishes (Clear Complete);
Step 405:MSC sends RLSD to BSC;
Step 406:BSC sends RLC to MSC.
Wherein, in the shutdown process of above-mentioned UE, the signaling between BSC and the MSC is referred to as the signaling of described shutdown process, among the present invention, namely be that the signaling of described shutdown process is monitored, obtain TMSI and the Location Area Code of the described UE that carries in the signaling of described shutdown process; The TMSI of the described UE that carries in the signaling according to described shutdown process and Location Area Code are inquired about mapping relations and the deletion of IMSI and the TMSI of the described UE that stores in the described database.
Be example with the mapping relations in the above-mentioned table 3, suppose the UE3 shutdown, at this moment, delete the mapping relations of IMSI and the TMSI of the described UE3 that stores in the described database, obtain the mapping relations in the table 4.
Table 4
The present invention also provides a kind of communication monitoring system, is used for carrying out the compensation process of the number backfill of above-described embodiment, and described communication monitoring system comprises:
Memory module, the position that is used for the UE on the monitoring A interface is new technological process more, obtains the initial TMSI, initial position district sign indicating number of the described UE that more carries in the signaling of new technological process described position, effectively TMSI and active position district sign indicating number; According to initial TMSI and the initial position district sign indicating number of described UE, judge the mapping relations of the IMSI and the TMSI that whether store described UE in the described database; When the mapping relations of the IMSI that has stored described UE in the described database and TMSI, adopt described effective TMSI and active position district sign indicating number to replace TMSI and Location Area Code in the mapping relations of described UE; In described database, do not store the mapping relations of IMSI and the TMSI of described UE, judge whether described position more carries the IMSI of described UE in the signaling of new technological process; When described position more carries the IMSI of described UE in the signaling of new technological process, according to the IMSI of described UE, effectively TMSI and active position district sign indicating number, generate the mapping relations of IMSI and the TMSI of described UE, and described mapping relations are stored in the described database;
Complementary module for the paging flow process of the networking side on the described A interface of monitoring to described UE, is obtained IMSI, TMSI and the Location Area Code of the described UE that carries in the signaling of described paging flow process; The IMSI of the described UE that carries in the signaling according to described paging flow process or the TMSI of described UE and Location Area Code are judged the mapping relations of the IMSI and the TMSI that whether store described UE in the described database; When the mapping relations of the IMSI that does not store described UE in the described database and TMSI, the IMSI of the described UE that carries in the signaling according to described paging flow process, TMSI and Location Area Code, generate the mapping relations of IMSI and the TMSI of described UE, and described mapping relations are stored in the described database; When the mapping relations of the IMSI that has stored described UE in the described database and TMSI, the mapping relations of keeping the IMSI of the described UE that stores in the described database and TMSI are constant;
Enquiry module is used for the default operation flow of the described UE on the described A interface of monitoring, judges the IMSI that whether carries described UE in the signaling of described default operation flow; When not carrying the IMSI of described UE in the signaling of described default operation flow, effective TMSI of the described UE that carries in the signaling according to described default operation flow and active position district sign indicating number, inquire about the mapping relations of IMSI and the TMSI of the described UE that stores in the described database, determine the IMSI of described UE.
Described position more new technological process is: the attachment flow of described UE, the normal position of described UE be the periodic location update flow process of new technological process or described UE more.
Among the present invention, when UE shuts down, need the IMSI of the described UE that stores in the delete database and the mapping relations of TMSI.That is, above-mentioned communication monitoring system also comprises: removing module, be used for the shutdown process of the described UE on the described A interface of monitoring, and obtain TMSI and the Location Area Code of the described UE that carries in the signaling of described shutdown process; The TMSI of the described UE that carries in the signaling according to described shutdown process and Location Area Code are inquired about mapping relations and the deletion of IMSI and the TMSI of the described UE that stores in the described database.
By means of said system, can safeguard the mapping relations of IMSI and the TMSI of UE, when the default operation flow of only carrying TMSI on the A interface is monitored, can determine the true identity of UE according to the IMSI of the UE that safeguards and the mapping relations of TMSI.Further, when the mapping relations of the IMSI that does not store described UE in network side paging UE and the database and TMSI, replenish the IMSI and the mapping relations of TMSI of described UE, to improve the success rate of number backfill, the influence that factors such as minimizing Network Packet Loss are brought.
The above only is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (6)
1. the compensation process of a number backfill is characterized in that, comprises storing step, replenish step and query steps;
Described storing step comprises: the position of the UE on the monitoring A interface is new technological process more, obtains the initial TMSI, initial position district sign indicating number of the described UE that more carries in the signaling of new technological process described position, effectively TMSI and active position district sign indicating number; According to initial TMSI and the initial position district sign indicating number of described UE, whether store the mapping relations of IMSI and the TMSI of described UE in the judgment data storehouse; If adopt described effective TMSI and active position district sign indicating number to replace TMSI and Location Area Code in the mapping relations of described UE; Otherwise, judge whether described position more carries the IMSI of described UE in the signaling of new technological process; When described position more carries the IMSI of described UE in the signaling of new technological process, according to the IMSI of described UE, effectively TMSI and active position district sign indicating number, generate the mapping relations of IMSI and the TMSI of described UE, and described mapping relations are stored in the described database;
Described replenish step comprises: monitor networking side on the described A interface to the paging flow process of described UE, obtain IMSI, TMSI and the Location Area Code of the described UE that carries in the signaling of described paging flow process; The IMSI of the described UE that carries in the signaling according to described paging flow process or the TMSI of described UE and Location Area Code are judged the mapping relations of the IMSI and the TMSI that whether store described UE in the described database; If the mapping relations of keeping the IMSI of the described UE that stores in the described database and TMSI are constant; Otherwise the IMSI of the described UE that carries in the signaling according to described paging flow process, TMSI and Location Area Code generate the mapping relations of IMSI and the TMSI of described UE, and described mapping relations are stored in the described database;
Described query steps comprises: monitor the default operation flow of the described UE on the described A interface, judge the IMSI that whether carries described UE in the signaling of described default operation flow; When not carrying the IMSI of described UE in the signaling of described default operation flow, effective TMSI of the described UE that carries in the signaling according to described default operation flow and active position district sign indicating number, inquire about the mapping relations of IMSI and the TMSI of the described UE that stores in the described database, determine the IMSI of described UE.
2. the compensation process of number backfill as claimed in claim 1 is characterized in that, described position more new technological process is: the attachment flow of described UE, the normal position of described UE be the periodic location update flow process of new technological process or described UE more.
3. the compensation process of number backfill as claimed in claim 1 is characterized in that, also comprises the deletion step after the described storing step, and described deletion step comprises:
Monitor the shutdown process of the described UE on the described A interface, obtain TMSI and the Location Area Code of the described UE that carries in the signaling of described shutdown process;
The TMSI of the described UE that carries in the signaling according to described shutdown process and Location Area Code are inquired about mapping relations and the deletion of IMSI and the TMSI of the described UE that stores in the described database.
4. a communication monitoring system is characterized in that, comprising:
Memory module, the position that is used for the UE on the monitoring A interface is new technological process more, obtains the initial TMSI, initial position district sign indicating number of the described UE that more carries in the signaling of new technological process described position, effectively TMSI and active position district sign indicating number; According to initial TMSI and the initial position district sign indicating number of described UE, judge the mapping relations of the IMSI and the TMSI that whether store described UE in the described database; When the mapping relations of the IMSI that has stored described UE in the described database and TMSI, adopt described effective TMSI and active position district sign indicating number to replace TMSI and Location Area Code in the mapping relations of described UE; In described database, do not store the mapping relations of IMSI and the TMSI of described UE, judge whether described position more carries the IMSI of described UE in the signaling of new technological process; When described position more carries the IMSI of described UE in the signaling of new technological process, according to the IMSI of described UE, effectively TMSI and active position district sign indicating number, generate the mapping relations of IMSI and the TMSI of described UE, and described mapping relations are stored in the described database;
Complementary module for the paging flow process of the networking side on the described A interface of monitoring to described UE, is obtained IMSI, TMSI and the Location Area Code of the described UE that carries in the signaling of described paging flow process; The IMSI of the described UE that carries in the signaling according to described paging flow process or the TMSI of described UE and Location Area Code are judged the mapping relations of the IMSI and the TMSI that whether store described UE in the described database; When the mapping relations of the IMSI that does not store described UE in the described database and TMSI, the IMSI of the described UE that carries in the signaling according to described paging flow process, TMSI and Location Area Code, generate the mapping relations of IMSI and the TMSI of described UE, and described mapping relations are stored in the described database; When the mapping relations of the IMSI that has stored described UE in the described database and TMSI, the mapping relations of keeping the IMSI of the described UE that stores in the described database and TMSI are constant;
Enquiry module is used for the default operation flow of the described UE on the described A interface of monitoring, judges the IMSI that whether carries described UE in the signaling of described default operation flow; When not carrying the IMSI of described UE in the signaling of described default operation flow, effective TMSI of the described UE that carries in the signaling according to described default operation flow and active position district sign indicating number, inquire about the mapping relations of IMSI and the TMSI of the described UE that stores in the described database, determine the IMSI of described UE.
5. communication monitoring as claimed in claim 4 system is characterized in that described position more new technological process is: the attachment flow of described UE, the normal position of described UE be the periodic location update flow process of new technological process or described UE more.
6. communication monitoring as claimed in claim 4 system is characterized in that, also comprises:
Removing module for the shutdown process of the described UE on the described A interface of monitoring, obtains TMSI and the Location Area Code of the described UE that carries in the signaling of described shutdown process; The TMSI of the described UE that carries in the signaling according to described shutdown process and Location Area Code are inquired about the mapping relations of the IMSI of the described UE that stores in the described database and TMSI and with described mapping relations deletion.
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| CN102421092B (en) * | 2011-11-02 | 2014-07-09 | 北京中创信测科技股份有限公司 | Method and device for backfilling subscriber fixed identity |
| CN104486743B (en) * | 2014-12-29 | 2018-09-21 | 武汉虹信技术服务有限责任公司 | A method of user information correlation is carried out to each interface XDR data of core net |
| CN104754555B (en) * | 2015-03-31 | 2018-11-16 | 亚信科技（南京）有限公司 | A kind of method and device of number backfill |
| CN105491550B (en) * | 2015-11-30 | 2019-05-07 | 广州慧睿思通信息科技有限公司 | A kind of method and system obtaining mobile identification number |
| WO2017219177A1 (en) * | 2016-06-20 | 2017-12-28 | 华为技术有限公司 | Identifier mapping method and system |
| CN108012262B (en) * | 2017-12-01 | 2020-12-08 | 中国联合网络通信集团有限公司 | IMSI (International Mobile subscriber identity) associated backfill method and platform in LTE (Long term evolution) network |
| CN109089257B (en) * | 2018-09-11 | 2021-10-01 | 北京中创腾锐技术有限公司 | Wireless network call ticket backtracking association method and system |
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| CN1787461A (en) * | 2004-12-06 | 2006-06-14 | 华为技术有限公司 | Method for testing network element interface by state apparatus |
| CN101453784A (en) * | 2007-12-05 | 2009-06-10 | 中兴通讯股份有限公司 | Mobile terminal positioning method and apparatus for UMTS |
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| KR100784729B1 (en) * | 2006-08-01 | 2007-12-12 | 주식회사 이노와이어리스 | Method for collecting data by mobile identification number in wcdma network |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1787461A (en) * | 2004-12-06 | 2006-06-14 | 华为技术有限公司 | Method for testing network element interface by state apparatus |
| CN101453784A (en) * | 2007-12-05 | 2009-06-10 | 中兴通讯股份有限公司 | Mobile terminal positioning method and apparatus for UMTS |
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