CN102378208A - Processing method for VLR fault and system thereof - Google Patents
Processing method for VLR fault and system thereof Download PDFInfo
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- CN102378208A CN102378208A CN2010102540383A CN201010254038A CN102378208A CN 102378208 A CN102378208 A CN 102378208A CN 2010102540383 A CN2010102540383 A CN 2010102540383A CN 201010254038 A CN201010254038 A CN 201010254038A CN 102378208 A CN102378208 A CN 102378208A
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Abstract
The invention discloses a processing method for a fault of a visitor location register (VLR). According to the method, after a mobile management unit detects that an SGs / Gs interface is broken, a VLR is reselected and an SGs / Gs link is established between the VLR and mobile management unit; and then a temporary mobile subscriber identity (TMSI) and a location area identifier (LAI) as well as a temporary subscriber identity and a location identifier are sent to a corresponded user equipment (UE), wherein the TMSI and the LAI are distributed by the VLR and the temporary subscriber identity and the location identifier are distributed by the mobile management unit. Correspondedly, the invention also discloses a processing system for a VLR fault. According to the invention, when a VLR in an MSC/VLR pool is failed, correlated UE is migrated to other VLRs, so that the UE can be recovered to a state in which a voice call can be initiated and received as soon as possible.
Description
Technical field
The present invention relates to moving communicating field, relate in particular to a kind of VLR Visitor Location Register (Mobile Switching Center, VLR) Fault Processing method and system.
Background technology
Fig. 1 is third generation partner program (3rd Generation Partnership Project; 3GPP) packet switched core network (the Packet Switched Core of definition; PS Core) configuration diagram of evolution is as shown in Figure 1, comprises subscriber equipment (User Equipment in this network system; UE), radio network controller (Radio Network Controller; RNC), (evolved NodeB is eNodeB) with SAE gateway (System Architecture Evolution GW, SAE GW) for the radio node of VLR, mobile management unit, evolution; Wherein,
UE has can insert global system for mobile communications wireless access network (Universal Mobile Telecommunication System Radio Access Network; UTRAN) and eat dishes without rice or wine (Long Term Evolution, LTE) ability of two kinds of wireless networks of Long Term Evolution.
The radio node of evolution can provide the up-downgoing speed higher than UTRAN, lower transmission delay and reliable more wireless transmission.ENodeB is that the access at terminal provides Radio Resource, sets up the link of S1 chain of command between while and the core net MME.
Mobility Management Entity (Mobility Management Entity; MME) be a chain of command entity; The UE context is in charge of and is stored to the server of interim storaging user data, like ID, mobility management states, user security parameters etc.; For the user distributes temporary mark GUTI (Globally Unique Temporary Identity), be to be responsible for this user is carried out authentication when UE quarters at this tracing area or this network.In UMTS, Mobility Management Entity is called wireless universal service technology serving GPRS support node, and (Serving GPRS Support Node, SGSN), SGSN distributes temporary mark P-TMSI for the user.
SAE GW is a user entity, is responsible for the user face data route and handles.SAE GW generally is divided into gateway Serving GW and packet data network gateway PDN GW, and Serving GW is responsible for ambulant anchor point between LTE and the UMTS, and downlink data triggers MME and SGSN paging under the idle condition; PDNGW is responsible for UE accessing group data net, and (Packet DataNetwork, gateway function PDN) are user's distributing user IP (Internet Protocol) address.PDN GW and Serving GW possibly close and be located in the physical entity.
In traditional circuit domain architecture for exchanging, core network element has MSC and VLR Visitor Location Register, and (Visitor Location Register, VLR), MSC and VLR physically generally lump together.VLR distributes temporary mark (TMSI) for the user.
The effect and the eNodeB in the evolution architecture of radio network controller are similar, also be responsible for and UE between RRM and and core net between set up the Iu mouth and connect.
The framework of evolution is a packet domain, when packet domain itself is not supported VoIP (Voice Over IP), if this moment, UE resided under the packet domain LTE, then must solve the problem of audio call.A solution is CSFB (CS Fall back), and in this kind solution, audio call still carries in circuit domain, and when needs made a call, packet domain need return back to UE in the circuit domain.Like framework among Fig. 1, between the MME of circuit domain VLR and packet domain, there is an interface, be SGs interface (if packet domain is SGSN, then this interface is Gs interface).SGs the main effect of interface be that mobile management entity is initiated registration to circuit domain VLR simultaneously as UE at packet domain mobile management entity combined registering the time, UE registers in circuit domain and packet domain simultaneously like this.When UE initiated audio call, the UE first-selection inserted from packet domain, return back in the circuit domain then, because UE registers in circuit domain, having guaranteed to exhale can be successful; In the time of a called arrival VLR to this UE; VLR knows that UE is in packet domain at present; So from Gs interface paging UE, mobile management entity is paging UE in packet domain further, UE page response and insert in packet domain; And then return back in the circuit domain, so also having guaranteed to exhale end can be successful.
Fig. 2 is for setting up the schematic flow sheet of SGs interface between MME in the prior art and the VLR, as shown in Figure 2, the process of setting up of SGs interface comprises:
Step 201:MME decision will be set up after the SGs interface; Tracking area identification (Tracking Area Identifier according to user's registration; TAI) (Location Area Identifier LAI), finds suitable VLR then to find suitable location area.MME initiates position updating request to VLR, wherein includes the LAI and the user IMSI information of acquisition.
Step 202:VLR receives after the position updating request of MME; Accomplish the enrollment process of UE at VLR; Such as from attaching position register (Home Location Register; HLR) obtain processes such as user contracting data, VLR and to the user distribute the casual user identify (Temporary Mobile Subcriber Identity, TMSI).Accomplish after the registration, VLR upgrades response to the MME home position, wherein includes the LAI and the TMSI of user's registration.
Fig. 3 is in existing CSFB (circuit-switched fallback) technology, and UE initiates the schematic flow sheet of audio call, and as shown in Figure 3, circuit domain call works the process of exhaling and comprises:
Step 301:UE resides in the packet domain, when UE need make a call, to MME initiation packet territory service request.
Set up radio bearer and S1 between step 302:UE, eNodeB and the MME and carry, UE gets into the linking status of packet domain.
Step 303:eNodeB return back to circuit domain through message indication UE.
Step 304:UE initiates the circuit domain business request in circuit domain, and this message is routed to the VLR that has registered.
Step 305:VLR continues follow-up and exhales processing procedure, sets up and calls out.
Fig. 4 is in the existing CSFB technology, and UE accepts audio call flow process sketch map, and is as shown in Figure 4, and the circuit domain call process of exhaling eventually comprises:
Step 401:VLR finds that UE is at present just in packet domain, so initiate paging request through SGs to MME.
Step 402:MME carries out the CS paging in all TAI of UE registration.
Step 403:UE returns the MME paging and initiates the packet switch domain service request.
Set up radio bearer and S1 between step 404:UE, eNodeB and the MME and carry, UE gets into the linking status of packet domain.
Step 405:eNodeB return back to circuit domain through message indication UE.
Step 406:UE initiates page response and circuit domain business request in circuit domain, and this message is routed to the VLR that has registered.
Step 407:VLR continues z z z processing procedure at follow-up end, sets up and calls out.
In order between VLR, to carry out load sharing and disaster tolerance, a kind of VLR the technology in pond be introduced into 3GPP, as shown in Figure 1, one VLR in the pond all VLR all link to each other through the Iu mouth with RNC.When in the pond one VLR fault the time, VLR pool technology can with this VLR in UE move in this pond other VLR in; In this pond VLR between the also mode service UE through load sharing.MSC and VLR generally unify.
But, in the CSFB technology, when VLR in the pond VLR failure time, can't relevant UE be moved to other VLR at present, before UE rebuild SGs, UE can't initiate and accept audio call.
Summary of the invention
In view of this; Main purpose of the present invention is to provide a kind of VLR Fault Processing method and system; Can VLR in the pond in VLR failure, relevant UE is moved to other VLR, thereby makes UE recover to initiate and to accept the state of audio call as early as possible.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of VLR Visitor Location Register VLR Fault Processing method comprises:
After mobile management unit detects the disconnection of SGs/Gs interface; Reselect VLR and set up SGs/Gs with said VLR and link, the casual user that the temporary mark TMSI that afterwards said VLR is distributed and location area LAI and said mobile management unit distribute identifies and station location marker sends to relevant user terminals UE.
After said mobile management unit detects the SGs/Gs interface and breaks off, reselect VLR and set up SGs/Gs and be linked as with said VLR:
Said mobile management unit is reselected VLR immediately and is set up SGs/Gs with the said VLR of reselecting and link after detecting the SGs/Gs interface and breaking off; Perhaps,
Said mobile management unit triggers corresponding UE and initiates the associated update request after detecting the SGs/Gs interface and breaking off, and reselects VLR and set up SGs/Gs with said VLR according to said associated update request and link.
Said mobile management unit triggers the request of UE initiation associated update:
Mobile management unit sends the heavy request for allocation of GUTI to UE, and the heavy request for allocation of said GUTI is carried the TAI tabulation that said UE does not have registration;
After said UE receives the heavy request for allocation of said GUTI, preserve the TAI tabulation of said TAI tabulation as current register;
Said UE intercepts wireless area broadcasting, and the TAI that judges Cell Broadcast CB then initiates the associated update request not in the TAI of said current register tabulation.
Said mobile management unit is after detecting the disconnection of SGs/Gs interface; Reselect VLR immediately and set up under the situation that SGs/Gs links with said VLR; The casual user that the TMSI that said mobile management unit distributes VLR and LAI and said mobile management unit distribute identifies and station location marker sends to before the corresponding UE, and this method also comprises:
Said mobile management unit is judged the current idle condition that whether is in of said UE; Said UE is in idle condition; Then behind the said UE of paging, again the TMSI of VLR distribution and the casual user's sign and the station location marker of LAI and the distribution of said mobile management unit are sent to said UE; Said UE is not in idle condition, then directly the TMSI of VLR distribution and the casual user's sign and the station location marker of LAI and the distribution of said mobile management unit is sent to said UE.
Said mobile management unit is before UE sends the heavy request for allocation of GUTI; This method also comprises: said mobile management unit is judged the current idle condition that whether is in of said UE; Said UE is in idle condition, then behind the said UE of paging, sends the heavy request for allocation of GUTI to said UE again; Said UE is not in idle condition, then directly sends the heavy request for allocation of GUTI to said UE.
Said mobile management unit is Mobility Management Entity MME;
The casual user that said mobile management unit distributes is designated temporary mark GUTI;
The station location marker that said mobile management unit distributes is tracking area identification TAI.
Said mobile management unit is wireless universal service technology serving GPRS support node SGSN;
The casual user that said mobile management unit distributes is designated P-TMSI;
The station location marker that said mobile management unit distributes is Tracking Area Identifier RAI.
A kind of VLR Fault Processing system comprises: mobile management unit, VLR and UE; Wherein,
Said mobile management unit; Be used for after detecting the disconnection of SGs/Gs interface; Reselect VLR and set up SGs/Gs with said VLR and link, the casual user that the TMSI that afterwards said VLR is distributed and LAI and said mobile management unit distribute identifies and station location marker sends to corresponding UE;
Said VLR is used for setting up the process that SGs/Gs links with VLR, will notify said VLR for UE distribution T MSI and LAI.
After said mobile management unit detects the SGs/Gs interface and breaks off, reselect VLR and set up SGs/Gs and be linked as with said VLR:
Said mobile management unit is reselected VLR immediately and is set up SGs/Gs with the said VLR of reselecting and link after detecting the SGs/Gs interface and breaking off; Perhaps,
Said mobile management unit triggers corresponding UE and initiates the associated update request after detecting the SGs/Gs interface and breaking off, and reselects VLR and set up SGs/Gs with said VLR according to said associated update request and link.
Said mobile management unit triggers the request of UE initiation associated update:
Mobile management unit sends the heavy request for allocation of GUTI to UE, and the heavy request for allocation of said GUTI is carried the TAI tabulation that said UE does not have registration;
After said UE receives the heavy request for allocation of said GUTI, preserve the TAI tabulation of said TAI tabulation as current register;
Said UE intercepts wireless area broadcasting, and the TAI that judges Cell Broadcast CB then initiates the associated update request not in the TAI of said current register tabulation.
Said mobile management unit; Also be used for identifying and before station location marker sends to corresponding UE the casual user that the TMSI that VLR is distributed and LAI and said mobile management unit distribute; Judge the current idle condition that whether is in of said UE; Said UE is in idle condition, then behind the said UE of paging, again the TMSI of VLR distribution and the casual user's sign and the station location marker of LAI and the distribution of said mobile management unit is sent to said UE; Said UE is not in idle condition, then directly the TMSI of VLR distribution and the casual user's sign and the station location marker of LAI and the distribution of said mobile management unit is sent to said UE.
Said mobile management unit is used for also send the heavy request for allocation of GUTI to UE before, judging the current idle condition that whether is in of said UE that said UE is in idle condition, then behind the said UE of paging, sends the heavy request for allocation of GUTI to said UE again; Said UE is not in idle condition, then directly sends the heavy request for allocation of GUTI to said UE.
Said mobile management unit is MME;
The casual user that said mobile management unit distributes is designated GUTI;
The station location marker that said mobile management unit distributes is TAI.
Said mobile management unit is SGSN;
The casual user that said mobile management unit distributes is designated P-TMSI;
The station location marker that said mobile management unit distributes is RAI.
VLR Fault Processing method and system of the present invention; After mobile management unit detects the SGs/Gs interface and breaks off, reselect VLR and set up SGs/Gs and link, the TMSI that afterwards said VLR is distributed and the casual user of LAI and the distribution of said mobile management unit identifies and station location marker sends to UE with said VLR; So; Can be in the MSC/VLR pond in VLR failure, relevant UE is moved to other VLR, thereby make UE recover to initiate and to accept the state of audio call as early as possible.
Description of drawings
Fig. 1 is the configuration diagram of the packet switched core network evolution of 3GPP definition;
Fig. 2 is for setting up the schematic flow sheet of SGs interface between MME in the prior art and the VLR;
Fig. 3 is in the existing CSFB technology, and UE initiates the schematic flow sheet of audio call;
Fig. 4 is in the existing CSFB technology, and UE accepts audio call flow process sketch map;
Fig. 5 is an embodiment of the invention 1VLR Fault Processing method flow sketch map;
Fig. 6 is an embodiment of the invention 2VLR Fault Processing method flow sketch map.
Embodiment
Basic thought of the present invention is: after mobile management unit detects the disconnection of SGs/Gs interface; Reselect VLR and set up SGs/Gs with said VLR and link, the casual user that the TMSI that afterwards said VLR is distributed and LAI and said mobile management unit distribute identifies and station location marker sends to UE.
Need to prove; Mobile management unit can be reselected VLR immediately and set up SGs/Gs with the said VLR that reselects after detect the disconnection of SGs/Gs interface and link; Also can trigger UE and initiate the associated update request, and reselect VLR and set up SGs/Gs according to said associated update request and link with the said VLR that reselects.
A kind of execution mode that mobile management unit triggers the request of UE initiation associated update is: mobile management unit sends the heavy request for allocation of temporary mark GUTI to UE, and the heavy request for allocation of said GUTI is carried said UE does not have the TAI of registration to tabulate.After said UE receives the heavy request for allocation of said GUTI; Can preserve said TAI tabulation; And think said UE registration in said TAI tabulation, when said UE through the TAI that intercepts wireless area broadcasting and find Cell Broadcast CB not in the TAI of current register tabulation, then judge the associated update request of initiating.
Need to prove; Mobile management unit can be Mobility Management Entity (MME) or wireless universal service technology serving GPRS support node (SGSN); Accordingly, the casual user that distributes of MME to be designated the station location marker that temporary mark (GUTI), MME distribute be tracking area identification (TAI); The station location marker that the casual user that SGSN distributes is designated P-TMSI, SGSN distribution is Tracking Area Identifier (RAI).
The present invention also proposes a kind of VLR Fault Processing system, and this system comprises: mobile management unit, VLR and UE; Wherein,
Said mobile management unit; Be used for after detecting the disconnection of SGs/Gs interface; Reselect VLR and set up SGs/Gs with said VLR and link, the casual user that the TMSI that afterwards said VLR is distributed and LAI and said mobile management unit distribute identifies and station location marker sends to corresponding UE;
Said VLR is used for setting up the process that SGs/Gs links with VLR, will notify said VLR for UE distribution T MSI and LAI.
After said mobile management unit detects the SGs/Gs interface and breaks off, reselect VLR and set up SGs/Gs and be linked as with said VLR:
Said mobile management unit is reselected VLR immediately and is set up SGs/Gs with the said VLR of reselecting and link after detecting the SGs/Gs interface and breaking off; Perhaps,
Said mobile management unit triggers corresponding UE and initiates the associated update request after detecting the SGs/Gs interface and breaking off, and reselects VLR and set up SGs/Gs with said VLR according to said associated update request and link.
Said mobile management unit triggers the request of UE initiation associated update:
Mobile management unit sends the heavy request for allocation of GUTI to UE, and the heavy request for allocation of said GUTI is carried the TAI tabulation that said UE does not have registration;
After said UE receives the heavy request for allocation of said GUTI, preserve the TAI tabulation of said TAI tabulation as current register;
Said UE intercepts wireless area broadcasting, and the TAI that judges Cell Broadcast CB then initiates the associated update request not in the TAI of said current register tabulation.
Said mobile management unit; Also be used for identifying and before station location marker sends to corresponding UE the casual user that the TMSI that VLR is distributed and LAI and said mobile management unit distribute; Judge the current idle condition that whether is in of said UE; Said UE is in idle condition, then behind the said UE of paging, again the TMSI of VLR distribution and the casual user's sign and the station location marker of LAI and the distribution of said mobile management unit is sent to said UE; Said UE is not in idle condition, then directly the TMSI of VLR distribution and the casual user's sign and the station location marker of LAI and the distribution of said mobile management unit is sent to said UE.
Said mobile management unit is used for also send the heavy request for allocation of GUTI to UE before, judging the current idle condition that whether is in of said UE that said UE is in idle condition, then behind the said UE of paging, sends the heavy request for allocation of GUTI to said UE again; Said UE is not in idle condition, then directly sends the heavy request for allocation of GUTI to said UE.
Said mobile management unit is MME;
The casual user that said mobile management unit distributes is designated GUTI;
The station location marker that said mobile management unit distributes is TAI.
Said mobile management unit is SGSN;
The casual user that said mobile management unit distributes is designated P-TMSI;
The station location marker that said mobile management unit distributes is RAI.
Below in conjunction with embodiment technical scheme of the present invention is done further to describe in detail.
Embodiment 1
MME detects the SGs interface and breaks off, and then through the heavy distribution mechanism notice of temporary mark GUTI UE, wherein has the TAI list that does not have registration, and triggering terminal is initiated the associated update request like this, and MME reselects available VLR again in the pond, rebulid the SGs link.
Fig. 5 is an embodiment of the invention 1VLR Fault Processing method flow sketch map, and as shown in Figure 5, this method may further comprise the steps:
Step 501:MME and VLR1 at first set up the SGs interface.
Step 502:MME detects the VLR1 fault, and promptly the SGs interface of VLR1 breaks off.
The SGs interface adopts SCTP (Stream Control Transmission Protocol; SCTP), this agreement is an agreement that link is arranged, therefore; When SCTP finds that the other side is disabled; Will (SGs application protocol SGsAP) initiate notification message, thereby MME can detect the VLR1 fault to the SGs on upper strata application layer protocol.
The current idle condition that is in of step 503:UE is then initiated paging in all TA of UE registration.
Here, if the current idle condition that is not in of UE is then skipped this step and step 504.
Step 504:UE returns page response, and sets up UE to the connection between the MME, and UE gets into connection status.
In the practical implementation, set up the link between UE, eNodeB, MME and the SAE GW simultaneously.UE gets into connection status, can transmit the up-downgoing data.
Step 505:MME initiates the heavy request for allocation of GUTI to UE.
The TAI that carries in the heavy request for allocation of said GUTI is the current not new TAI of registration of UE, for example, can the TAC in the TAI tabulation be changed to full F.
Step 506:UE receives after the heavy request for allocation of GUTI, returns the heavy assignment response of GUTI, preserves the current not new TAI of registration of said UE, and thinks the current registration in this TAI tabulation of UE.
Step 507:UE intercepts wireless area broadcasting, and the TAI that finds Cell Broadcast CB upgrades so judgement needs to initiate associating TA/LA not in the TAI of current register tabulation.
Step 508:UE initiates associating TA/LA and upgrades request, carries the TAI of sub-district, current place.
Step 509:MME receives associating TA/LA and upgrades after the request, finds suitable LAI according to the TAI of sub-district, current place, and finds the new VLR2 of available another one, and set up the SGs interface between MME and the VLR2.
In this process, VLR2 returns the LAI and the TMSI of registration, and detailed process is a prior art, does not describe in detail at this.
Step 510:, MME returns UE and unites TA/LA renewal response, carries GUTI and TAI tabulation that MME distributes, and the TMSI and the LAI of VLR 2 distribution, the completion renewal process.
Through said process, UE carries out the circuit domain registration at new VLR2 again, and MME and new VLR2 have set up the SGs link, and new VLR2 can handle rising of UE audio call and exhale and exhale eventually.
Embodiment 2
In the present embodiment, MME detects the SGs interface and breaks off, and then MME reselects available VLR earlier in the MSC/VLR pond, rebulids the SGs link; Afterwards, MME brings UE through the heavy assigning process of temporary mark GUTI with the TMSI of new VLR distribution and the GUTI and the TAI of LAI and MME distribution.
Fig. 6 is an embodiment of the invention 2VLR Fault Processing method flow sketch map, and as shown in Figure 6, this method may further comprise the steps:
Step 601:MME and VLR1 at first set up the SGs interface.
Step 602:MME detects the VLR1 fault.
Because the SGs interface adopts SCTP, therefore when SCTP finds that the other side is disabled, will initiate notification message to the SGsAP on upper strata, so MME can detect the VLR1 fault.
Available VLR2 in MSC/VLR pond of the first-selected selection of step 603:MME, the position that is initiated to VLR2 is then upgraded, and is established to the SGs interface of VLR2, and VLR2 returns the new TMSI and the LAI of UE registration to MME.
The current idle condition that is in of step 604:UE, then MME initiates paging in all TA tabulations of UE registration.
Here, if UE is not in idle condition, then ignore this step and step 605.
Step 605:UE returns page response, and sets up UE to the link between the MME, and UE gets into connection status.
In the practical application, this step is set up the link between UE, eNodeB, MME and the SAE GW simultaneously.UE can transmit the up-downgoing data after getting into connection status.
Step 606:MME initiates the heavy request for allocation of GUTI to UE.
Carry new GUTI and TAI tabulation that MME distributes in the heavy request for allocation of said GUTI, have LAI and TMSI that VLR2 distributes simultaneously.
After step 607:UE receives that GUTI heavily distributes, preserve GUTI, TAI tabulation and LAI and TMSI, and return the heavy assignment response of GUTI.
Through said process, UE carries out the circuit domain registration at new VLR2 again, and MME and new VLR2 have set up the SGs link, and new VLR2 can handle rising of UE audio call and exhale and exhale eventually.
Need to prove; All be that packet domain with evolution is an example among above-mentioned two embodiment, these methods are equally applicable to the packet domain of 3G, and this moment, MME was revised as SGSN; The SGs interface is revised as Gs; GUTI is revised as P-TMSI, and TAI is revised as Tracking Area Identifier, and (Routing Area Identity RAI) gets final product.
The above is merely preferred embodiment of the present invention, is not to be used to limit protection scope of the present invention.
Claims (14)
1. VLR Visitor Location Register VLR Fault Processing method is characterized in that this method comprises:
After mobile management unit detects the disconnection of SGs/Gs interface; Reselect VLR and set up SGs/Gs with said VLR and link, the casual user that the temporary mark TMSI that afterwards said VLR is distributed and location area LAI and said mobile management unit distribute identifies and station location marker sends to relevant user terminals UE.
2. method according to claim 1 is characterized in that, after said mobile management unit detects the SGs/Gs interface and breaks off, reselects VLR and sets up SGs/Gs with said VLR and be linked as:
Said mobile management unit is reselected VLR immediately and is set up SGs/Gs with the said VLR of reselecting and link after detecting the SGs/Gs interface and breaking off; Perhaps,
Said mobile management unit triggers corresponding UE and initiates the associated update request after detecting the SGs/Gs interface and breaking off, and reselects VLR and set up SGs/Gs with said VLR according to said associated update request and link.
3. method according to claim 2 is characterized in that, said mobile management unit triggers the request of UE initiation associated update and is:
Mobile management unit sends the heavy request for allocation of GUTI to UE, and the heavy request for allocation of said GUTI is carried the TAI tabulation that said UE does not have registration;
After said UE receives the heavy request for allocation of said GUTI, preserve the TAI tabulation of said TAI tabulation as current register;
Said UE intercepts wireless area broadcasting, and the TAI that judges Cell Broadcast CB then initiates the associated update request not in the TAI of said current register tabulation.
4. method according to claim 2; It is characterized in that; Said mobile management unit is after detecting the disconnection of SGs/Gs interface; Reselect VLR immediately and set up under the situation that SGs/Gs links with said VLR, the casual user that the TMSI that said mobile management unit distributes VLR and LAI and said mobile management unit distribute identifies and station location marker sends to before the corresponding UE, and this method also comprises:
Said mobile management unit is judged the current idle condition that whether is in of said UE; Said UE is in idle condition; Then behind the said UE of paging, again the TMSI of VLR distribution and the casual user's sign and the station location marker of LAI and the distribution of said mobile management unit are sent to said UE; Said UE is not in idle condition, then directly the TMSI of VLR distribution and the casual user's sign and the station location marker of LAI and the distribution of said mobile management unit is sent to said UE.
5. method according to claim 3; It is characterized in that; Said mobile management unit is before UE sends the heavy request for allocation of GUTI, and this method also comprises: said mobile management unit is judged the current idle condition that whether is in of said UE, and said UE is in idle condition; Then behind the said UE of paging, send the heavy request for allocation of GUTI to said UE again; Said UE is not in idle condition, then directly sends the heavy request for allocation of GUTI to said UE.
6. according to each described method of claim 1 to 5, it is characterized in that,
Said mobile management unit is Mobility Management Entity MME;
The casual user that said mobile management unit distributes is designated temporary mark GUTI;
The station location marker that said mobile management unit distributes is tracking area identification TAI.
7. according to each described method of claim 1 to 5, it is characterized in that,
Said mobile management unit is wireless universal service technology serving GPRS support node SGSN;
The casual user that said mobile management unit distributes is designated P-TMSI;
The station location marker that said mobile management unit distributes is Tracking Area Identifier RAI.
8. a VLR Fault Processing system is characterized in that this system comprises: mobile management unit, VLR and UE; Wherein,
Said mobile management unit; Be used for after detecting the disconnection of SGs/Gs interface; Reselect VLR and set up SGs/Gs with said VLR and link, the casual user that the TMSI that afterwards said VLR is distributed and LAI and said mobile management unit distribute identifies and station location marker sends to corresponding UE;
Said VLR is used for setting up the process that SGs/Gs links with VLR, will notify said VLR for UE distribution T MSI and LAI.
9. system according to claim 8 is characterized in that, after said mobile management unit detects the SGs/Gs interface and breaks off, reselects VLR and sets up SGs/Gs with said VLR and be linked as:
Said mobile management unit is reselected VLR immediately and is set up SGs/Gs with the said VLR of reselecting and link after detecting the SGs/Gs interface and breaking off; Perhaps,
Said mobile management unit triggers corresponding UE and initiates the associated update request after detecting the SGs/Gs interface and breaking off, and reselects VLR and set up SGs/Gs with said VLR according to said associated update request and link.
10. system according to claim 9 is characterized in that, said mobile management unit triggers the request of UE initiation associated update and is:
Mobile management unit sends the heavy request for allocation of GUTI to UE, and the heavy request for allocation of said GUTI is carried the TAI tabulation that said UE does not have registration;
After said UE receives the heavy request for allocation of said GUTI, preserve the TAI tabulation of said TAI tabulation as current register;
Said UE intercepts wireless area broadcasting, and the TAI that judges Cell Broadcast CB then initiates the associated update request not in the TAI of said current register tabulation.
11. system according to claim 9 is characterized in that,
Said mobile management unit; Also be used for identifying and before station location marker sends to corresponding UE the casual user that the TMSI that VLR is distributed and LAI and said mobile management unit distribute; Judge the current idle condition that whether is in of said UE; Said UE is in idle condition, then behind the said UE of paging, again the TMSI of VLR distribution and the casual user's sign and the station location marker of LAI and the distribution of said mobile management unit is sent to said UE; Said UE is not in idle condition, then directly the TMSI of VLR distribution and the casual user's sign and the station location marker of LAI and the distribution of said mobile management unit is sent to said UE.
12. system according to claim 10 is characterized in that,
Said mobile management unit is used for also send the heavy request for allocation of GUTI to UE before, judging the current idle condition that whether is in of said UE that said UE is in idle condition, then behind the said UE of paging, sends the heavy request for allocation of GUTI to said UE again; Said UE is not in idle condition, then directly sends the heavy request for allocation of GUTI to said UE.
13. to 12 each described systems, it is characterized in that according to Claim 8,
Said mobile management unit is MME;
The casual user that said mobile management unit distributes is designated GUTI;
The station location marker that said mobile management unit distributes is TAI.
14. to 12 each described systems, it is characterized in that according to Claim 8,
Said mobile management unit is SGSN;
The casual user that said mobile management unit distributes is designated P-TMSI;
The station location marker that said mobile management unit distributes is RAI.
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| CN2010102540383A CN102378208A (en) | 2010-08-11 | 2010-08-11 | Processing method for VLR fault and system thereof |
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