CN101325738B - Method and apparatus for repairing fault of mobile communication core network register - Google Patents
Method and apparatus for repairing fault of mobile communication core network register Download PDFInfo
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Abstract
The invention provides a method and apparatus for restoring the fault of mobile communication core network register, comprising the following steps: step one: after the visited location register receiving the instruction of the home location register, and/or restarting because of fault, the visited location register reading all the international mobile subscriber identifier of the user data needing restoring and storing in the user restoring temporary table; step two, when there is international mobile subscriber identifier in the user restoring temporary, the visited location register batch taking out the international mobile subscriber identifier from the user restoring temporary table and restoring the user data according to the preset flow; or else, finishing the flow of restoring the user data. Adopting the technical proposal reduces the time delay of mobile terminal calling and improves the success rate of calling, avoids the time delay of UE calling, and accelerates the restoring speed of user data because the technology is compatible with the prior art without obstruct and also increases the success rate of restoring user data.
Description
Technical field
The present invention relates to mobile communication core net fault recovery technology, be meant a kind of method, device of realizing the fault recovery of mobile communication core network register especially.
Background technology
In the mobile communication core net, attaching position register (HLR, Home Location Register)/Visited Location Registor (VLR, Visitor Location Register) all stored the signatory of mobile subscriber, information such as position, wherein HLR stores the information that all belong to the user of this locality, VLR stores all information that are positioned at local user, lack these information datas, the user possibly can't finish basic call and mobile management, because in a single day HLR/VLR breaks down, the database of depositing user profile will be destroyed, user data among HLR and the VLR may go out active or inconsistent situation, influence user's basic call and mobile management.Therefore, HLR/VLR failover procedure (Fault Recovery Procedure) is a requisite function in the mobile communication core net.After HLR/VLR broke down, the recovery process of user data was most important; Because data fail safe and integrality are required height, HLR adopts the ripe business database and the mode of memory device to store data more, and the data recovery procedure of a cover oneself itself is arranged after the fault, no longer is described among the present invention; But because access speed is had relatively high expectations, VLR adopts memory database more, in case VLR breaks down, user data can't recover voluntarily, only can require HLR that the respective user data in the database own are sent to VLR by sending request instruction to HLR, VLR begins user data and recovers.
According to the description of 3GPP agreement (3GPP29.002), after HLR breaks down, as shown in Figure 1, can send MAP_RESET message to VLR, fault has taken place in notice VLR self; After VLR breaks down, only need self to restart, do not need to notify HLR.After but above-mentioned two kinds of faults took place, the situation of VLR customer data base was different, therefore needed to distinguish and described:
(1) HLR fault: send the MAP_RESET instruction to VLR.The VLR customer data base still exists, receive the RESET instruction of HLR transmission as VLR after, each user's indicating bit Location Information Confirmed in HLR is set to (Not Confirmed) unconfirmed pattern in the customer data base, and request HLR confirms the user data among the VLR.
(2) VLR fault: the VLR customer data base can't be used fully.After restarting VLR, customer data base rebulids, and all in the VLR customer data base are positioned at local user data loss.
After HLR/VLR breaks down the above-mentioned situation of appearance, need to initiate the flow process of restoring user data, consistent to guarantee HLR with user data among the VLR.According to the 3GPP protocol description, in the prior art, when certain user initiates caller or position renewal, can trigger this user data of users and recover flow process, described among Fig. 2 in the VLR customer data base and do not had certain user data, or this user data sign position Location Information Confirmed in HLR need initiate user data to HLR and recover flow process when being set to Not Confirmed, and concrete situation is divided into:
(1) registers or the VLR fault first time, cause user data of no use among the VLR; Perhaps in packet-switched domain (PS, Packet Switched), the Serving GPRS Support Node (SGSN, Serving GPRS Support Node) that possesses the function of VLR breaks down, and causes user data of no use among the SGSN;
(2) position of portable terminal changes;
(3) because the HLR fault causes user ID position relevant with this HLR among the VLR/SGSN to be set to Not Confirmed.
Hence one can see that, after HLR or VLR fault, just is bound to make a call for the first time or increase a user data recovery process during position updating process in affected user.
Called situation of portable terminal and caller/position is upgraded similar, if can't in VLR database, find the sign position Location Information Confirmedin HLR in corresponding user data or the user data to be changed to Not Confirmed, then initiate user data recovery process one time, after finishing Deng user data recovery process, handle the subsequent voice calls process again, specifically can be referring to agreement 3GPP29.002.
In the prior art of Miao Shuing,, therefore increased the processing delay of calling/position updating process to a certain extent in the above because user data recovery process initiatively or in passive calling/position updating process is being introduced; Simultaneously, user data recovery process has certain mortality, has influenced the success rate that user data recovers in calling/position updating process to a certain extent.
Summary of the invention
The objective of the invention is after in a single day the HLR/VLR of mobile communication core net breaks down, can be arranged in the process of the user data of VLR memory database in recovery, shorten the time delay of the portable terminal caller for the first time/when position is upgraded, and improve the success rate that user data recovers; For achieving the above object, the invention provides a kind of method that realizes the fault recovery of mobile communication core network register, may further comprise the steps:
Step 1, Visited Location Registor is being received the instruction of attaching position register, or/and because fault and after restarting, this Visited Location Registor reads all international mobile subscriber identifiers that need restoring user data, and deposit this international mobile subscriber identifier in user and recover temporary table;
Step 2, when the user recovered to have international mobile subscriber identifier in the temporary table, then this Visited Location Registor recovered to take out international mobile subscriber identifier the temporary table in batches from this user, according to predetermined flow process restoring user data;
Otherwise when the user recovers not have international mobile subscriber identifier in the temporary table, then finish the flow process of restoring user data.
After Visited Location Registor was being received the instruction of attaching position register, unacknowledged mode was arranged in the sign position that will be arranged in each user of customer data base of Visited Location Registor in this method step one.
Before described this Visited Location Registor is according to predetermined flow process restoring user data, judge further whether the system resource load meets desired indicator in this method step two; If meet, then according to predetermined flow process restoring user data;
Otherwise this Visited Location Registor waits for that preset time continues to judge whether the system resource load meets desired indicator in the back at interval.
The described international mobile subscriber identifier of this method forever leaves in the memory device of mobile switching centre.
This method is in described step 2, and described process according to predetermined flow process restoring user data further may further comprise the steps:
Steps A. after Visited Location Registor obtains active user's international mobile subscriber identifier, send mobile application protocol request for recovery data instruction, carry this user's international mobile subscriber identifier information in this instruction to attaching position register;
After step B. attaching position register is received above-mentioned instruction, send mobile application protocol to Visited Location Registor and insert the user data requests instruction, carry this user data of users in this instruction;
Step C. Visited Location Registor sends mobile application protocol to attaching position register and inserts user data affirmation instruction;
Step D. attaching position register sends mobile application protocol restore data to Visited Location Registor and confirms instruction, after Visited Location Registor is received this instruction, revise this user's corresponding user data, will identify the position and be arranged to affirmation mode, expression recovers successfully.
Further comprise among the described step D of this method: be configured to the user of affirmation mode for the sign position, this user is recovered international mobile subscriber identifier deletion corresponding in the temporary table the user.
No matter whether described this user data of users of this method recovered success, all this user recovered international mobile subscriber identifier deletion corresponding in the temporary table the user.
If the method for the described realization homing position of this method/Visited Location Registor fault recovery described according to the process of predetermined flow process restoring user data in the restoring user data failure, then still upgrade restoration methods restoring user data in the caller/position updating process of initiating by portable terminal by portable terminal caller/position.
In this method, when Visited Location Registor is carried out described restoration methods,, then the current user's who is recovering sign position is arranged to just at affirmation mode if portable terminal is initiated the flow process that restoration methods is upgraded in caller/position;
When portable terminal is being carried out caller/position and upgraded restoration methods,, then the current user's who is recovering sign position is arranged to just at affirmation mode if Visited Location Registor is initiated the flow process of described restoration methods.
In this method,, then will identify the position and be arranged to affirmation mode, otherwise be arranged to unacknowledged mode if the current user who is recovering recovers success.
It is a chained list or array or formation that user in the described step 1 of this method recovers temporary table.
The described system resource load of this method comprises at least: CPU usage, link take situation.
In this method, when Serving GPRS Support Node was carried out the function of Visited Location Registor at packet-switched domain, the method for described fault recovery realized in Serving GPRS Support Node.
A kind of device of realizing homing position/Visited Location Registor fault recovery, this device comprises Visited Location Registor;
This Visited Location Registor reads all international mobile subscriber identifiers that need recover the user, and deposits this international mobile subscriber identifier in user and recover temporary table;
This Visited Location Registor also is used for being lower than desired indicator judging system resource load, and the user recovers to still have in the temporary table under the situation of international mobile subscriber identifier, recover to take out international mobile subscriber identifier the temporary table in batches from described user, according to predetermined flow process restoring user data.
In this device, Visited Location Registor further comprises according to predetermined flow process restoring user data:
After Visited Location Registor obtains active user's international mobile subscriber identifier, send mobile application protocol restoring user data request instruction, carry this user's international mobile subscriber identifier in this instruction to attaching position register;
After attaching position register is received above-mentioned instruction, send mobile application protocol to Visited Location Registor and insert the user data requests instruction, carry this user data of users in this instruction;
The instruction that Visited Location Registor sends to attaching position register is that mobile application protocol inserts user data affirmation instruction;
Attaching position register sends mobile application protocol restoring user data to Visited Location Registor and confirms instruction, after Visited Location Registor is received this instruction, revise this user's corresponding user data, identify the position and be set to affirmation mode, expression recovers successfully.
This device further comprises a memory cell, and described memory cell is arranged in the memory device of mobile switching centre, and is used to deposit international mobile subscriber identifier.
In this device, when Serving GPRS Support Node was carried out the function of Visited Location Registor in packet-switched domain, the device of described fault recovery was realized in the Serving GPRS Support Node of packet-switched domain.
This a kind of method that realizes the fault recovery of mobile communication core network register provided by the invention, it is the RESET instruction of receiving HLR at VLR, after perhaps restarting because of the fault of VLR, read the international mobile subscriber identifier (IMSI that all need recover the user by VLR, International MobileSubscriber Identifier) information, and deposit the user in and recover temporary table; Owing to be not to initiate recovery process, therefore made full use of the UE stand-by time and recovered, the time delay when having avoided UE to call out by UE.When system resource load was lower than desired indicator and user and recovers to still have IMSI in the temporary table, then VLR recovered to take out user's IMSI the temporary table in batches from the user, recovers alternately according to predetermined flow process and HLR, has improved the call completing rate of calling; Because this technology and prior art are compatible and do not hinder mutually, be equivalent to increase a kind of technological means of restoring user data, therefore accelerated the resume speed of user data, also increased the success rate of recovery.
Description of drawings
When breaking down for prior art HLR of the present invention, Fig. 1 sends the schematic diagram of MAP_RESET instruction to VLR;
Fig. 2 is that user data recovers flow chart in embodiment of the invention caller/position updating process;
Fig. 3 recovers schematic flow sheet for embodiment of the invention user data;
Fig. 4 recovers sequential chart for embodiment of the invention user data.
Embodiment
The invention provides a kind of method that realizes the fault recovery of mobile communication core network register.
Technical scheme that the embodiment of the invention provides and prior art are compatible, all can finish the function of restoring user data, this also is an advantage place of the present invention, therefore be necessary to describe in the prior art is how to finish user data to recover flow process in the caller/position updating process of portable terminal, as shown in Figure 2, be description to the user data recovery process of prior art.
Among the embodiment, think that the function of VLR and Serving GPRS Support Node is the same among the present invention, this is because VLR is that all servers that reside in local user data are stored in circuit switching (CS, Circuit Switched) territory; SGSN is that packet-switched domain is stored the server that all reside in local user data, that is to say, SGSN is basic the same with the function of VLR in territory separately.Be without loss of generality, the embodiment of the invention is with the specific functional modules of VLR as Visited Location Registor in following examples; And described register has comprised Visited Location Registor and attaching position register.
When being initiated by the UE caller, UE sends connection management service request (CM ServiceRequest, Connection Management Service Request) instruction to VLR; When upgrading initiation by the position of UE, UE sends Location Update Request instruction to VLR.
Step 202.VLR judges whether to initiate to obtain the process of IMSI after receiving the above-mentioned arbitrary instruction that is sended over by UE, if do not need to initiate, if promptly there is user's IMSI information among the VLR, then directly changes step 203;
Otherwise VLR sends Identity Request instruction to UE, and request UE sends the IMSI of this UE, and UE receives this instruction back and sends Identity Response instruction to VLR, carries the IMSI of this UE in this instruction, changes step 203 then.
Step 203.VLR judges whether to carry out user data and recovers, if do not need, then directly changes step 204; Handle otherwise be divided into following two kinds of situations, this user profile or a user data sign position Location Information Confirmed in HLR are Not Confirmed in the VLR database at this moment.
VLR can support to send instruction in two kinds of different modes to VLR:
(A) in the message that UE receives, have Location Area Identification (LAI as VLR, Location AreaIdentity) during information, then VLR sends mobile application protocol position updating request (MAP_UPDATE_LOCATION REQ) instruction to HLR, and HLR receives this instruction back and sends the mobile application protocol insertion user data requests of instruction (MAP_INSERT_SUBSCRIBER_DATA REQ) instruction to VLR;
Then, VLR sends mobile application protocol to HLR and inserts user data affirmation (MAP_INSERTSUBSCRIBER_DATA CFM) instruction, sends mobile application protocol position to VLR after HLR receives and instructs and upgrades affirmation (MAP_UPDATE_LOCATION CFM) instruction.
(B) when VLR does not have LAI information in the message that UE receives, then VLR sends mobile application protocol request for recovery data (MAP_RESTORE_DATA REQ) instruction to HLR, and HLR receives the instruction back and sends mobile application protocol insertion user data requests (MAP_INSERT_SUBSCRIBER_DATA REQ) instruction to VLR;
Then, VLR sends mobile application protocol to HLR and inserts user data affirmation (MAP_INSERTSUBSCRIBER_DATA CFM) instruction, sends mobile application protocol restore data to VLR after HLR receives and instructs and confirms that (MAP_RESTORE_DATA CFM) instructs.
Owing to initiatively initiate to recover flow process by VLR in the embodiment of the invention, so VLR do not have LAI information in the message that UE receives, the above-mentioned method (B) that is of communicating by letter and adopting between VLR and the HLR.
The heavy assigning process of authentication, TMSI that step 204. is follow-up, though this process is positioned at after the step 203, if but VLR judges the initiation IMSI acquisition process that does not need to carry out step 202, VLR also judges does not simultaneously need to carry out user's recovery process, then just can carry out the following operation of step 204 after step 201;
After the UE caller was initiated, VLR sent CM Service Accept to UE and begins subsequent process;
After perhaps the UE position was upgraded and initiated, VLR sent Location Update Response to UE.
Above-mentioned is description about user data recovery process in the prior art, and more detailed ins and outs can be referring to 3GPP agreement (3GPP29.002).Technical scheme of the present invention and prior art scheme are compatible, have below described the specific implementation process of technical solution of the present invention.
At first need to prove, because VLR adopts memory database more, therefore on logic, there is not memory device among the VLR, still, because (the MSC of mobile switching centre, Mobile Switching Center) has and charge and statistical function, so MSC disposes memory device, and VLR usually and MSC be one physically, therefore in embodiments of the present invention, can use for VLR from the memory device that physically marks off a low capacity.When in VLR, increasing a user profile newly, with this user's IMSI number storage in memory device; In like manner, when needs are deleted a user data from VLR, also to accordingly this user's IMSI number be deleted from memory device.
According to the description of 3GPP29.002 agreement, under following two kinds of situations, need to carry out the recovery of user data usually:
(1) after HLR breaks down, can send MAP_RESET message to VLR, fault self has taken place in this HLR of notice VLR, and this can cause revising the corresponding data of user data among the VLR, therefore needs the recovery of user data; When HLR breaks down, can send RESET instructs to VLR, VLR receives after the RESET instruction of HLR, according to the attaching position register tabulation (HLRList) of carrying in this instruction, the user who belongs among the VLR in the HLR tabulation is selected, and Location Information Confirmed in HLR is changed to Not Confirmed with these user's data sign positions.Those Data Identification positions Location Information Confirmed in HLR in the taking-up VLR database is that all users' of Not Confirmed IMSI information leaves in the above-mentioned memory device, convenience for access, logically can deposit with the form of chained list, also can adopt other data structure to realize, for example array, formation or storehouse wait the IMSI information of depositing.
(2) after the VLR fault, only need self to restart and get final product, do not need to notify HLR, need the recovery of user data equally.When VLR breaks down, then when restarting VLR, from memory device, read user's IMSI information in the record, initiate user data recovery process according to predetermined principle then.
Handle the RESET message that HLR sends at VLR, after perhaps the VLR fault was restarted, VLR read the IMSI information of all users in the memory device, and determined to need to initiate the recovery process of which user data according to predetermined condition.
Initiatively initiate in batches to recover user procedures, for example: with per 100 users is one group.Its detailed process of initiatively recovering user procedures is as follows:
Step 301.VLR handles the RESET message that HLR sends, or after the VLR fault restarted, VLR read all users' that need recover IMSI information, and described IMSI information stores is recovered in the temporary table a user.
The operating position of system resource is judged it is in order further to optimize the implementation result of the inventive method, is in order to guarantee not tie up the use of regular traffic to system resource, simultaneously fast as far as possible restoring user data.The resource operating position of described judgement system comprises the judgements to various indexs that adopt in advance such as CPU usage, load, link take.
For each user wherein, initiate user data recovery process according to flow chart 4.
The a period of time here is a pre-set time interval, how many its concrete time intervals takes to be determined by the technical staff actually, for example long time interval can be set busy daytime, and short time interval can be set idle more night in system in system.
The user that step 307. storage does not recover user IMSI recovers temporary table for empty, and user data recovery process finishes.
After a user is by Location Update or calling procedure restoring user data, it is recovered to delete the temporary table from this user.
After the end of all customer data recovery process in the chained list, no matter be initiatively initiate user's recovery process or since the user make a call/position upgrades the recovery process that causes, the Data Identification position Location Information Confirmed in HLR of each user's data respective user among the VLR is changed to confirms (Confirmed) pattern.
Wherein, the recovery process of each user data that step 303 is described can be finished by following process,, and this restoring user data process meets the rule in the 3GPP29.002 agreement, and this process specifically describes as shown in Figure 4.
After step 401.VLR obtains active user's IMSI, send mobile application protocol request for recovery data (MAP_RESTORE_DATA request) instruction, carry this user's IMSI information in this instruction to HLR.
After step 402.HLR receives above-mentioned instruction, send mobile application protocol to VLR and insert user data requests (MAP_INSERT_SUBSCRIBER_DATA request) instruction, carry this user data of users (User Date) in this instruction.
Step 403.VLR sends mobile application protocol to HLR and inserts user data affirmation (MAP_INSERT_SUBSCRIBER_DATA confirm) instruction.
Step 404.HLR sends mobile application protocol restore data to VLR and confirms (MAP_RESTORE_DATA confirm) instruction, after VLR receives this instruction, revise this user's corresponding user data, to identify position Location Information Confirmed in HLR and be changed to Confirmed, expression recovers successfully.
In above-mentioned recovery process, if mistake appears in any one step, all can withdraw from recovery process to the active user, this is compatible owing to technical scheme of the present invention and prior art scheme, even therefore this recovery process has been failed, in the calling and position updating process of UE, can also use prior art scheme restoring user data.Simultaneously since system compatible the technical scheme of two kinds of recovery processs, also need to take into full account following two kinds of situations that user data recovery process is concurrent:
1. when the user carries out the active users data recovery procedure, if at this moment the user makes a call/position upgrades, this user profile or corresponding sign position is NotConfirmed not certainly in the database of VLR at present.At this moment just produced a concurrent processing, whether the user needs to initiate again user's recovery process.
2. working as the user makes a call/position updating process, if when having proceeded to the restoring user data process, at this moment user profile is not upgraded as yet, the active users data recovery procedure also can be initiated user data recovery process, here exist again one concurrent, at this moment whether the active users data recovery procedure needs to initiate again this user's recovery process.
It is as follows to solve above two kinds of concurrent methods:
With the Data Identification position Location Information Confirmed in HLR span expansion in the VLR database, be divided into Not Confirmed, Confirmed and confirming (Confirming) pattern, newly-increased Confirming state representation user data is just in recovery process, during initiation user data recovery process that and if only if just this state can appear, after recovery process finishes, success will identify position LocationInformation Confirmed in HLR and be revised as Confirmed, and failure will identify the position and be revised as NotConfirmed.
No matter which kind of reason need initiate a user's data recovery process because of, if user profile is arranged in the VLR database, just the value of Data Identification position Location Information Confirmed in HLR is Not Confirmed, should identify the position and be revised as Confirming, initiate recovery process; If this user's information not in the VLR database, simple information with the user: IMSI, LAI or the like insert in the database earlier, Data Identification position Location Information Confirmed in HLR is set to Confirming then, initiates recovery process.When generation was concurrent, at first the Data Identification position state of inquiring user if be Confirming, after the recovery of wait user data is finished, directly carried out follow-up action and gets final product.
According to above-described method, the invention allows for a kind of device of realizing homing position/Visited Location Registor fault recovery, this device comprises Visited Location Registor VLR, a memory cell, has user's international mobile subscriber identifier in this memory cell;
Described memory cell normally is positioned at divides a zone of coming out on the memory device of MSC, also can be the register of an increase or the memory device or the chip of other type.
Receive the RESET instruction of attaching position register when Visited Location Registor, or because after the fault of Visited Location Registor restarts, set up a user and recover temporary table, Visited Location Registor reads all IMSI that need recover the user from memory cell, and deposits this IMSI in user and recover temporary table;
Judge whether system resource is lower than desired indicator, described system resource comprises that CPU usage, link take situation etc., if be lower than desired indicator, and the user recovers to still have in the temporary table under the situation of IMSI, Visited Location Registor recovers to take out international mobile subscriber identifier the temporary table in batches from the user, according to predetermined flow process restoring user data;
Be higher than desired indicator if judge the system resource load, then wait for predetermined a period of time, judge the system resource load once more.Described judge can be according to according to detected corresponding index.
The VLR that technique scheme is not only applicable in the CS territory finishes the recovery of user data, and goes for the recovery that SGSN in the PS territory finishes user data.This is that VLR is that the server that all reside in local user data is stored in the CS territory because HLR is the server of all ownership local user data of storage; SGSN is that the server that all reside in local user data is stored in the PS territory, that is to say, SGSN is basic the same with the function of VLR in territory separately.Therefore, if when registering for the first time, after VLR, the SGSN fault, can make user data all of no use among VLR and the SGSN.After the HLR fault, send MAP_RESET message, all user ID positions that belong to fault HLR user among VLR, the SGSN are set to Not Confirmed, and the technical scheme of following foregoing description begins user data and recovers flow process.
By the embodiment of the technical scheme of foregoing description as can be seen, after HLR/VLR breaks down, user data recovery process is described as described in Fig. 4 according to agreement 3GPP29.002, and the technical program:
(1) be during user's mobile terminal standby, to carry out recovery process mostly, reduce that the user calls out for the first time after the fault of knowing clearly/position upgrades the number of times that recovers, shorten the user to call out for the first time/the position renewal time of implementation, and improved the success rate of recovery process;
(2) VLR is according to predetermined principle, and the coupling system performance is initiatively initiated user data recovery process, has guaranteed the multiple process that rises under the situation of system's free time as far as possible, initiates process during system busy less; Avoiding occurring centralized operation causes the situation of system congestion to occur;
(3) can with the existing implementation compatibility of 3GPP agreement regulation, do not influence existing recovery flow process.
The above only is a 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 (17)
1. a method that realizes the fault recovery of mobile communication core network register is characterized in that, may further comprise the steps:
Step 1, Visited Location Registor is in the MAP_RESET instruction of receiving attaching position register or because fault and after restarting, this Visited Location Registor reads all international mobile subscriber identifiers that need restoring user data, and deposits this international mobile subscriber identifier in user and recover temporary table;
Step 2, when the user recovered to have international mobile subscriber identifier in the temporary table, then this Visited Location Registor recovered to take out international mobile subscriber identifier the temporary table in batches from this user, according to predetermined flow process restoring user data;
Otherwise when the user recovers not have international mobile subscriber identifier in the temporary table, then finish the flow process of restoring user data.
2. the method for claim 1, it is characterized in that, after Visited Location Registor was being received the MAP_RESET instruction of attaching position register, unacknowledged mode was arranged in the sign position that will be arranged in each user of customer data base of Visited Location Registor in the step 1.
3. the method for claim 1 is characterized in that, before described this Visited Location Registor is according to predetermined flow process restoring user data, judges further whether the system resource load meets desired indicator in the step 2; If meet, then according to predetermined flow process restoring user data;
Otherwise this Visited Location Registor waits for that preset time continues to judge whether the system resource load meets desired indicator in the back at interval.
4. method as claimed in claim 3 is characterized in that, described system resource load comprises at least: CPU usage, link take situation.
5. the method for claim 1 is characterized in that, described international mobile subscriber identifier forever leaves in the memory device of mobile switching centre.
6. the method for claim 1 is characterized in that, in described step 2, described process according to predetermined flow process restoring user data further may further comprise the steps:
Steps A. after Visited Location Registor obtains active user's international mobile subscriber identifier, send mobile application protocol request for recovery data instruction, carry this user's international mobile subscriber identifier information in this instruction to attaching position register;
After step B. attaching position register is received above-mentioned instruction, send mobile application protocol to Visited Location Registor and insert the user data requests instruction, carry this user data of users in this instruction;
Step C. Visited Location Registor sends mobile application protocol to attaching position register and inserts user data affirmation instruction;
Step D. attaching position register sends mobile application protocol restore data to Visited Location Registor and confirms instruction, after Visited Location Registor is received this instruction, revise this user's corresponding user data, will identify the position and be arranged to affirmation mode, expression recovers successfully.
7. method as claimed in claim 6 is characterized in that, further comprises among the described step D: be configured to the user of affirmation mode for the sign position, this user is recovered international mobile subscriber identifier deletion corresponding in the temporary table the user.
8. as claim 1 or 7 described methods, it is characterized in that no matter whether described this user data of users recovered success, all this user is recovered international mobile subscriber identifier deletion corresponding in the temporary table the user.
9. the method for claim 1, it is characterized in that, if the method for Visited Location Registor fault recovery described according to the process of predetermined flow process restoring user data in the restoring user data failure, then still upgrade restoration methods restoring user data in the caller/position updating process of initiating by portable terminal by portable terminal caller/position.
10. the method for claim 1 is characterized in that,
When Visited Location Registor is carried out described restoration methods,, then the current user's who is recovering sign position is arranged to just at affirmation mode if portable terminal is initiated the flow process that restoration methods is upgraded in caller/position;
When portable terminal is being carried out caller/position and upgraded restoration methods,, then the current user's who is recovering sign position is arranged to just at affirmation mode if Visited Location Registor is initiated the flow process of described restoration methods.
11. as claim 1 or 10 described methods, it is characterized in that,, then will identify the position and be arranged to affirmation mode, otherwise be arranged to unacknowledged mode if the current user who is recovering recovers success.
12. the method for claim 1 is characterized in that, it is a chained list or array or formation that the user in the described step 1 recovers temporary table.
13. the method for claim 1 is characterized in that, when Serving GPRS Support Node was carried out the function of Visited Location Registor at packet-switched domain, the method for described fault recovery realized in Serving GPRS Support Node.
14. a device of realizing homing position/Visited Location Registor fault recovery is characterized in that this device comprises Visited Location Registor;
This Visited Location Registor reads all international mobile subscriber identifiers that need recover the user, and deposits this international mobile subscriber identifier in user and recover temporary table;
This Visited Location Registor also is used for meeting desired indicator judging system resource load, and the user recovers to still have in the temporary table under the situation of international mobile subscriber identifier, recover to take out international mobile subscriber identifier the temporary table in batches from described user, according to predetermined flow process restoring user data.
15. device as claimed in claim 14 is characterized in that, Visited Location Registor further comprises according to predetermined flow process restoring user data:
After Visited Location Registor obtains active user's international mobile subscriber identifier, send mobile application protocol restoring user data request instruction, carry this user's international mobile subscriber identifier in this instruction to attaching position register;
After attaching position register is received above-mentioned instruction, send mobile application protocol to Visited Location Registor and insert the user data requests instruction, carry this user data of users in this instruction;
The instruction that Visited Location Registor sends to attaching position register is that mobile application protocol inserts user data affirmation instruction;
Attaching position register sends mobile application protocol restoring user data to Visited Location Registor and confirms instruction, after Visited Location Registor is received this instruction, revise this user's corresponding user data, identify the position and be set to affirmation mode, expression recovers successfully.
16. device as claimed in claim 14 is characterized in that, further comprises a memory cell, described memory cell is arranged in the memory device of mobile switching centre, and is used to deposit international mobile subscriber identifier.
17. device as claimed in claim 14 is characterized in that, when Serving GPRS Support Node was carried out the function of Visited Location Registor in packet-switched domain, the device of described fault recovery was realized in the Serving GPRS Support Node of packet-switched domain.
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| CN2007101189862A CN101325738B (en) | 2007-06-15 | 2007-06-15 | Method and apparatus for repairing fault of mobile communication core network register |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102833706A (en) * | 2012-08-13 | 2012-12-19 | 中兴国通通讯装备技术（北京）有限公司 | HLR (home location register)-BYPASS method based on fixed IMSI (international mobile subscriber identity) generating algorithm |
| EP3713266A1 (en) * | 2012-12-17 | 2020-09-23 | Koninklijke KPN N.V. | Method, telecommunications node and telecommunications terminal |
| CN104735639A (en) * | 2013-12-24 | 2015-06-24 | 阿尔卡特朗讯 | Method and device for processing location-related information of mobile users |
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