CN101600190B - Method and device for activating return circuit domain function of user terminal - Google Patents
Method and device for activating return circuit domain function of user terminal Download PDFInfo
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- 230000003213 activating effect Effects 0.000 title abstract 2
- 238000012217 deletion Methods 0.000 claims description 7
- 230000037430 deletion Effects 0.000 claims description 7
- 230000008569 process Effects 0.000 description 25
- CSRZQMIRAZTJOY-UHFFFAOYSA-N trimethylsilyl iodide Substances C[Si](C)(C)I CSRZQMIRAZTJOY-UHFFFAOYSA-N 0.000 description 14
- 230000011664 signaling Effects 0.000 description 8
- 230000009849 deactivation Effects 0.000 description 6
- 230000004044 response Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
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- 230000000977 initiatory effect Effects 0.000 description 2
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Abstract
The invention discloses a method for activating the return circuit domain function of a user terminal, which comprises the following steps: a first mobile management control entity receives de-adhesion indication information sent by a second mobile management control entity, judges whether the de-adhesion indication information indicates that the first mobile management control entity removes the user terminal or not, and notifies the user terminal that the return circuit domain function of the user terminal is activated when the de-adhesion indication information is judged to not indicate that the first mobile management control entity removes the user terminal. Accordingly, the invention also discloses the mobile management control entities and the user terminal. The technical scheme fills up the blank that the prior art activates the return circuit domain function of the user terminal.
Description
Technical field
The present invention relates to the mobile communication technology field, relate in particular to a kind of method of return circuit domain function of deexcitation user terminal, a kind of mobile management control entities and a kind of user terminal.
Background technology
Third generation collaborative project (3GPP, Third Generation Partnership Project) evolved packet system (EPS that proposes in, Evolved Packet System) use at a high speed, evolved universal terrestrial radio access network (E-UTRAN, Evolved Universal Terrestrial Radio Access Network) efficiently.In the EPS system, tradition will be by E-UTRAN, evolution block core net (EPC based on the speech business of circuit switching (CS, Circuit Switch), Evolved Packet Core network) and IP multimedia service (IMS, IP Multimedia Service) realize.
But, traditional 2G/3G system disposed and used a lot of years because realizing the technology of speech business and network by the CS territory, and IMS that is that all right at present is ripe, so cellular carrier is wished when the EPS system is arrived in its network upgrade, can adopt the EPS system to provide Packet data service at a high speed on the one hand for its user, can also continue to use original 2G/3G system to provide speech business on the other hand for its user, cellular carrier can be when continuing to keep original business like this, create new business, additional income.
As subscriber equipment (UE, User Equipment) return circuit switching domain (CSFB, CS Fallback) when function is activated, can satisfy the above-mentioned requirements of cellular carrier, the TS23.272 of 3GPP is carrying out the standard operation relevant with CSFB at present, as shown in Figure 1, system assumption diagram for CSFB, CSFB is meant when UE inserts the EPS system by E-UTRAN, use Packet data service, and the voice class business provides by the CS territory of traditional 2G/3G network still.
The activation of the CSFB function of UE is defined in TS23.272v1.0.0, and as shown in Figure 2, concrete process description is as follows:
1, UE sends to Mobility Management Entity (MME, Mobility Management Entity) and adheres to request (Attach Request) message;
2, carry out other attaching process, these processes define in TS23.401;
3, MME is according to the tracking area at the current place of UE, and the location can provide the address of serving mobile switching center (MSC, Mobile Service Switch Center) and VLR Visitor Location Register (VLR, Visited Location Register) for this UE;
4, based on the described MSC/VLR address that navigates to, MME sends the position to this MSC/VLR and upgrades (Location Update) message, comprise Location Area Identification (LAI in the described message, Location AreaIdentity), IMSI International Mobile Subscriber Identity (IMSI, International Mobile Subscriber Identity), the address of MME and location area updating type (Location Update Type) parameter;
5, after MSC/VLR stores the address of this MME, create related with the SGs of MME (SGsAssociation);
6, executing location is upgraded in the CS territory, and promptly MSC/VLR sends location update message, executing location renewal process to home subscriber servers (HSS, HomeSubscriber Server);
7, MSC/VLR responds the position renewal to MME and accepts (Location Update Accept) message, and it is the Temporary Mobile Subscriber Identity that UE distributed (TMSI, Temporary MobileStation Identity) that this message comprises VLR;
8, MME sends and accepts to adhere to (Attach Accept) message to UE, and the parameter that this message comprises also comprises LAI except the defined parameter of TS23.401, and MSC/VLR gives the TMSI that UE distributed; So far, finished the SGs interface conjunctionn between MME and the MSC/VLR, the CSFB function of UE is activated between MME and MSC.
After the CSFB function of UE is activated, when UE resides in E-UTRAN, if UE this moment has a terminal to stop (MT, during Mobile Terminated) telephone service, Mobile Switching Center Server (MSCServer) sends Indication message by the SGs interface to MME, MME is after the CS business that the indication of UE transmission Indication message has CS business, UE to receive that MME sends is indicated then, and this MT phone is answered in the CS territory that returns to UTRAN/GERAN; When should UE residing in E-UTRAN, if UE wants to initiate the telephone service that a terminal is initiated (MO, Mobil Originated), then telephone service is initiated in the UE CS territory of also getting back to UTRAN/GERAN.
In sum, in TS23.272v1.0.0, defined the CSFB function that the process that is attached to MME by UE activates UE, the deactivation process of the CSFB function of UE then has not been further described.For example, if UE has activated the CSFB function in advance, and UE is in mobile management (MM in MSC/VLR, during Mobility Management) connection status, (sent canceling position (Cancel Location) message as HSS to MME, the EPS packet switching function that indication UE contracts is deleted when this UE of MME attachment removal; Or because the Operation Administration and Maintenance (OAM of MME, Operations, Administration and Maintenance) reason is the deletion of the context data of UE), the CSFB function of UE will be by deexcitation, but this moment, how MSC notified the function of its CSFB of UE also not to be defined by deexcitation;
Same, when UE was in connection status in MME, (sent Cancel Location message as HSS to MSC/VLR, the CS territory sign on function that indication UE contracts was deleted when MSC/VLR attachment removal UE; Or because the OAM reason of MSC/VLR with the context data deletion of UE), the CSFB function of UE will be by deexcitation, but this moment, how MME notified its CSFB function of UE also not to be defined by deexcitation.
Summary of the invention
The invention provides a kind of method of return circuit domain function of deexcitation user terminal, to remedy the blank of prior art CSFB function of deexcitation UE about how.
Accordingly, the present invention also provides a kind of mobile management control entities and a kind of user terminal.
The method of the deexcitation user terminal return circuit domain function that the embodiment of the invention proposes, comprising: first mobile management control entities receives the attachment removal Indication message that second mobile management control entities is sent; And judge whether described attachment removal Indication message indicates by this first mobile management control entities detaching user terminal; And when judging described attachment removal Indication message and do not indicate by this first mobile management control entities detaching user terminal, the return circuit domain function of notifying described this user terminal of user terminal is by deexcitation.
The mobile management control entities that the embodiment of the invention proposes, comprising: receiving element is used to receive the attachment removal Indication message; Judging unit is used to judge whether the attachment removal Indication message that receiving element receives indicates by this mobile management control entities detaching user terminal; Notification unit is used for when judgment unit judges goes out this Indication message and do not indicate by this mobile management control entities detaching user terminal, and the return circuit domain function of notifying described this user terminal of user terminal is by deexcitation.
The user terminal that the embodiment of the invention proposes, the return circuit domain function of described user terminal is activated between first mobile management control entities and second mobile management control entities, this user terminal comprises: receiving element is used to receive the message that first mobile management control entities sends; Judging unit is used for judging whether the message that receiving element receives includes the deexcitation sign; Described deexcitation sign is used for the return circuit switching domain function of indicating user terminal by deexcitation; The storage update unit is used in judged result when being, the mobile management connection status of upgrading correspondence second mobile management control entities of self storage is attachment removal.
The scheme of the return circuit domain function of the deexcitation user terminal that the embodiment of the invention proposes, receive the attachment removal Indication message that second mobile management control entities sends by first mobile management control entities, and when described attachment removal Indication message was not indicated by this first mobile management control entities attachment removal UE, first mobile management control entities notified its CSFB function of this UE by deexcitation.How to have solved the CSFB function of deexcitation UE, thereby when UE provides service by first mobile management control entities, when second mobile management control entities is initiated the CSFB function of this UE of deexcitation, UE can receive the notification message that first mobile management control entities sends, notify its CSFB function by deexcitation, thereby remedied in the prior art blank of the CSFB function of deexcitation UE about how.
Description of drawings
Fig. 1 is the system assumption diagram of user terminal return circuit domain function in the prior art;
Fig. 2 is the flow chart of excited users terminal return circuit domain function in the prior art;
Fig. 3 is the flow chart of the deexcitation user terminal return circuit domain function of embodiment of the invention proposition;
Fig. 4 a is the flow chart of the CSFB function of the deexcitation UE that proposes of the embodiment of the invention one;
Fig. 4 b is that its CSFB function of notice UE of proposing of the embodiment of the invention one is by the flow chart of deexcitation;
Fig. 5 a is the flow chart of the CSFB function of the deexcitation UE that proposes of the embodiment of the invention two;
Fig. 5 b is that its CSFB function of notice UE of proposing of the embodiment of the invention two is by the flow chart of deexcitation;
Fig. 6 is the structural representation of the mobile management control entities of embodiment of the invention proposition;
Fig. 7 is the structural representation of the user terminal of embodiment of the invention proposition.
Embodiment
The scheme of the CSFB function of the deexcitation UE that the embodiment of the invention proposes is: first mobile management control entities receives the attachment removal Indication message that second mobile management control entities sends, and when described attachment removal Indication message was not indicated by this first mobile management control entities attachment removal UE, first mobile management control entities notified its CSFB function of this UE by deexcitation.
Below in conjunction with Figure of description the specific embodiment of the present invention is described.
Fig. 3 is the schematic flow sheet of the CSFB functional method of the deexcitation UE of embodiment of the invention proposition, and concrete process description is as follows:
Step 301: first mobile management control entities receives the attachment removal Indication message that second mobile management control entities is sent;
Described attachment removal Indication message indication attachment removal activates the user terminal of return circuit domain function between described first mobile management control entities and second mobile management control entities;
Provide second mobile management control entities sends two kinds of illustrative case from the attachment removal Indication message to first mobile management control entities below:
(1) when UE provides service by first mobile management control entities, when second mobile management control entities is initiated this UE of attachment removal, second mobile management control entities can send described attachment removal Indication message to this first mobile management control entities, and described attachment removal Indication message indication is by the described UE of the second mobile management control entities attachment removal;
(2) when UE provides service by second mobile management control entities, when this UE initiates attachment removal first mobile management control entities and second mobile management control entities, second mobile management control entities sends described attachment removal Indication message to this first mobile management control entities, and described attachment removal Indication message indication is by first mobile management control entities and the described UE of the second mobile management control entities attachment removal;
Step 302: first mobile management control entities judges whether described attachment removal Indication message indicates by this first mobile management control entities attachment removal UE, in judged result when being, execution in step 303, otherwise, change step 306 and carry out;
Step 303: first mobile management control entities is responded the response message of described attachment removal Indication message to second mobile management control entities;
Step 304; First mobile management control entities deletion self storage to data that should second mobile management control entities;
If when described second mobile management control entities was MME, the data of described corresponding second mobile management control entities comprised the address information of MME;
If when described second mobile management control entities was MSC/VLR, the data of described corresponding second mobile management control entities comprised address information and/or the location area information of MSC/VLR;
Step 305: the mobile management connection status to should UE that first mobile management control entities is upgraded self storage is attachment removal, and flow process finishes;
Step 306: first mobile management control entities notifies the CSFB function of described this UE of UE by deexcitation;
First mobile management control entities is by carrying the deexcitation sign in the message that sends to UE, the CSFB function of notifying this UE of UE is by deexcitation;
If described second mobile management control entities is MME, the then described message that comprises the deexcitation sign is the heavy assignment messages of Temporary Mobile Subscriber Identity (TMSI, Temporary Mobile Station Identity);
When if described second mobile management control entities is MSC/VLR, the then described message that comprises the deexcitation sign is the heavy assignment messages of unique user's temporary mark (GUTI, Globally Unique Temporary Identity).
Certainly, first mobile management control entities also can be passed through other modes, notifies its CSFB function of this UE by deexcitation;
Whether include the deexcitation sign in the message that first mobile management control entities that step 307:UE judgement receives sends;
When step 308:UE included the deexcitation sign in judging the message of reception, the mobile management connection status of upgrading correspondence second mobile management control entities of self storing was attachment removal;
Step 309:UE sends acknowledge message to first mobile management control entities;
Step 310: first mobile management control entities is responded the response message of described attachment removal Indication message to second mobile management control entities;
Step 311; First mobile management control entities deletion self storage to data that should second mobile management control entities, flow process finishes.
Describe the present invention program in detail with two specific embodiments below.
Embodiment one:
In the present embodiment, first mobile management control entities is that example, second mobile management control entities are that example illustrates with MME with MSC/VLR.
Shown in Fig. 4 a, the flow chart of the CSFB function of the deexcitation UE that proposes for the embodiment of the invention one, concrete process description is as follows:
Steps A 1:MME and MSC/VLR are that UE has activated the CSFB function, have promptly activated the CSFB function of UE early stage between MME and MSC/VLR;
Steps A 2:MME is at packet switching (PS, Packet Switched) the territory attachment removal UE of EPS, and the process of MME attachment removal UE defines in TS23.401;
UE is by the process of MME attachment removal, can initiate by MME, also can initiate by UE self, if being UE, the attachment removal process initiates among the following embodiment of the present invention, then the attachment removal that causes with UE shutdown (Switch Off) is that example illustrates, for example when UE is arranged in E-UTRAN, because shutdown makes UE initiate the process of attachment removal MME and MSC/VLR, this moment, MME can be at this UE of EPS territory attachment removal so, and carried out following steps A 3;
Steps A 3:MME sends attachment removal indication (Detach Indication) message to MSC/VLR.This message comprises attachment removal type (Detach Type), and the attachment removal type comprises (1) only in the attachment removal of PS territory, and for example, the attachment removal type is " PS Detach Only "; (2) in the equal attachment removal in PS territory and CS territory, for example, the attachment removal type is " CS and PS Detach ", or comprises " Switch Off " sign with attachment removal message and represent that the attachment removal type is in the equal attachment removal of PS and CS territory;
When for example initiating attachment removal UE as if MME in above-mentioned steps A2, then MME sends the attachment removal Indication message to MSC/VLR in the steps A 3, and the attachment removal type that this attachment removal Indication message comprises is " PSDetach Only "; If UE is positioned at E-UTRAN in steps A 2, and because shutdown makes UE initiate the process of attachment removal MME and MSC/VLR, then MME sends the attachment removal Indication message to MSC/VLR in the steps A 3, and then the attachment removal type that comprises of this attachment removal Indication message is " CS and PS Detach " (or this attachment removal Indication message comprises " Switch Off " sign);
Steps A 4:MSC/VLR judges the attachment removal type that comprises in the attachment removal Indication message that receives, if the attachment removal type that comprises in attachment removal Indication message indication then continues execution in step A5 only in the attachment removal of PS territory; Otherwise, if the attachment removal type that comprises in attachment removal Indication message indication is at the equal attachment removal in PS territory and CS territory, then execution in step A6;
Steps A 5:MSC/VLR notifies its CSFB function of this UE by deexcitation;
Steps A 6:MSC/VLR is to MME loopback attachment removal indication response (Detach Indication Ack) message.
Steps A 7:MSC/VLR upgrades its context based on the attachment removal Indication message that receives.
If the indication of attachment removal Indication message is two territories (PS territory and CS territory) attachment removal that UE initiates, then MSC/VLR deletes the data relevant with CSFB, promptly delete the data of the corresponding MME that self stores, address information of MME etc. for example, and with the mobile management of this UE (MM MobilityManagement) connects and is set to attachment removal;
If attachment removal Indication message indication is only in the attachment removal of PS territory, then MSC/VLR will delete the CSFB data relevant with this UE, promptly delete the data of the corresponding MME that self stores, as the address information of MME etc.
That introduces present embodiment one proposition below notifies its CSFB function of UE by the specific implementation method of deexcitation at MSC/VLR among the above-mentioned steps A5, shown in Fig. 4 b, in the present embodiment one with MSC/VLR at the Temporary Mobile Subscriber Identity (TMSI that sends to UE, Temporary Mobile Station Identity) in the heavy assignment messages (TMSI Reallocation Command), the CSFB function that expands this UE of expression has been that example illustrates by the field of deexcitation, certainly, MSC/VLR also can be in other message that sends to UE, expand the field of representing the deexcitation sign, be that MSC/VLR also can send other message that comprise the deexcitation sign to UE, to notify its CSFB function of this UE by deexcitation.The flow process of Fig. 4 b is specially:
Step B1: when the MME deexcitation UE the CSFB function and after MSC/VLR notice, MSC/VLR to UE send TMSI Reallocation Command (TMSI, LAI, CSFBDeactivation) message, its CSFB function of indication UE is by deexcitation;
Need to prove, in the prior art, MSC/VLR is in the TMSI ReallocationCommand message that UE sends, include TMSI and LAI field at most, in TMSIReallocation Command message, expanded the deexcitation identification field in the embodiment of the invention one, be CSFB Deactivation, to indicate its CSFB function of UE by deexcitation;
In addition, have only between UE and MSC/VLR Non-Access Stratum (NAS is arranged, Non-Access Stratum) signaling connects, just UE and MSC/VLR all are when being in connection status, and MSC/VLR can directly connect the message to UE transmission TMSI Reallocation Command by the NAS signaling of having set up; And if UE is when being in idle condition, MSC/VLR then needs first paging (Paging) UE, when UE is connected with the signaling of MSC/VLR by send the foundation of Connection Service request (CM Service Request) message to MSC/VLR, and after entering connection status, MSC/VLR connects the signaling of TMSI Reallocation Command message by this foundation and directly sends UE to;
After step B2:UE receives TMSI Reallocation Command message, find that this message carries deexcitation sign CSFB Deactivation, in order to indicate its CSFB function of UE by deexcitation, then UE is with the evolved packet system mobile management (EMM in its EPS territory, EPS MobilityManagement) connection status is set to attachment removal, the partial data that keeps simultaneously in the EMM context of EPS territory is still effective, for example keep global unique user's temporary mark (GUTI, Globally UniqueTemporary Identity), tracking area identification (the TAI of nearest visit, Tracking Area Identity) still effective, back response message TMSI Reallocation Complete gives MSC/VLR then.
Embodiment two:
In the present embodiment, first mobile management control entities is that example, second mobile management control entities are that example illustrates with MSC/VLR with MME.
Shown in Fig. 5 a, the flow chart of the CSFB function of the deexcitation UE that proposes for the embodiment of the invention two, concrete process description is as follows:
Step C1:MME and MSC/VLR are that UE has activated the CSFB function, have promptly activated the CSFB function of UE early stage between MME and MSC/VLR;
Step C2:MSC/VLR is at CS territory attachment removal UE, and the process of MSC/VLR attachment removal UE defines in TS24.008;
UE is by the process of MSC/VLR attachment removal, can initiate by MSC/VLR, also can initiate by UE self, if being UE, the attachment removal process initiates among the following embodiment of the present invention, then the attachment removal that causes with UE shutdown (SwitchOff) is that example illustrates, for example when UE is arranged in UTRAN/GERAN, because shutdown makes UE initiate the process of attachment removal MME and MSC/VLR, this moment, MSC/VLR can be at this UE of CS territory attachment removal so, and carried out following step C3;
Step C3:MSC/VLR sends attachment removal indication (Detach Indication) message to MME.This message comprises attachment removal type (Detach Type), and the attachment removal type comprises (1) only in the attachment removal of CS territory, and for example, the attachment removal type is " CS Detach Only "; (2) in the equal attachment removal in PS territory and CS territory, for example, the attachment removal type is " CS and PS Detach ", or comprises " Switch Off " sign with attachment removal message and represent that the attachment removal type is in the equal attachment removal of PS and CS territory;
When for example initiating attachment removal UE as if MSC/VLR in step C2, then MSC/VLR sends the attachment removal Indication message to MME among the step C3, and the attachment removal type that described attachment removal Indication message comprises is " CSDetach Only ";
If UE is positioned at UTRAN/GERAN in step C2, and because shutdown makes UE initiate the process of attachment removal MME and MSC/VLR, then MSC/VLR sends the attachment removal Indication message to MME among the step C3, and the attachment removal type that described attachment removal Indication message comprises is " CS and PS Detach " (or described attachment removal Indication message comprises " Switch Off " sign);
Step C4:MME judges the attachment removal type that comprises in the attachment removal Indication message that receives, if the attachment removal type that comprises in attachment removal Indication message indication then continues execution in step C5 only in the attachment removal of CS territory; Otherwise, if the attachment removal type that comprises in attachment removal Indication message indication is at the equal attachment removal in PS territory and CS territory, then execution in step C6;
Step C5:MME notifies its CSFB function of this UE by deexcitation;
Step C6:MME is to MSC/VLR loopback attachment removal indication response (Detach Indication Ack) message.
Step C7:MME upgrades its context based on the attachment removal Indication message that receives.
If two territories (PS territory and CS territory) attachment removal that attachment removal Indication message indication UE initiates, then MME deletes the data relevant with CSFB, promptly delete the data of the corresponding MSC/VLR that self stores, the for example address information of MSC/VLR, relevant LA etc., and session management context in the deletion context, the EMM connection of this UE is set to attachment removal;
If the indication of attachment removal Indication message is only in the attachment removal of CS territory, then MME will delete the CSFB data relevant with this UE, promptly delete the data of the corresponding MSC/VLR that self stores, as the address information of MSC/VLR, relevant LA etc.
That introduces present embodiment two propositions below notifies its CSFB function of UE by the specific implementation method of deexcitation at MME among the above-mentioned steps C5, shown in Fig. 5 b, weigh in the assignment messages (GUTI Reallocation Command) at the GUTI that sends to UE with MME in the present embodiment two, the CSFB function that expands this UE of expression has been that example illustrates by the field of deexcitation, certainly, MME also can be in other message that sends to UE, expand the field of representing the deexcitation sign, be that MME can send the message that comprises the deexcitation sign to UE, to notify its CSFB function of this UE by deexcitation.The flow process of Fig. 5 b is specially:
Step D1: as MSC/VLR attachment removal UE in the CS territory, notified the MME deexcitation after the CSFB function of UE, MME sends GUTI Reallocation Command (GUTI, TAI List to UE, CSFB Deactivation) message, its CSFB function of indication UE is by deexcitation;
Need to prove, prior art has defined GUTI Reallocation process in TS23.401v8.0.0, this process mainly is that MME redistributes a new GUTI to UE, an or new tracking area identification list (TAI List), or a new GUTI and a new TAI List, be that MME is in the GUTI Reallocation Command message that UE sends, at most only include two fields of GUTI and TAI List, in GUTI Reallocation Command message, expanded the deexcitation identification field in the embodiment of the invention two, be CSFB Deactivation, to indicate its CSFB function of UE by deexcitation;
In addition, have only between UE and MME Non-Access Stratum (NAS is arranged, Non-Access Stratum) signaling connects, just UE and MME all are when being in connection status (EMM-CONNECTED), and MME can directly connect the message to UE transmission GUTI ReallocationCommand by the NAS signaling of having set up; And if UE is when being in idle condition (EMM-IDLE), then MME needs first paging (Paging) UE, when UE is connected with the signaling of MME by send the foundation of service request (Service Request) message to MME, and after entering connection status (EMM-CONNECTED), MME connects the signaling of GUTI Reallocation Command message by this foundation and directly sends UE to;
After step D2:UE receives GUTI Reallocation Command message, find that this message carries deexcitation sign CSFB Deactivation, in order to indicate its CSFB function of UE by deexcitation, then its MM connection status of UE is set to attachment removal, the partial data that keeps simultaneously in the MM context of CS territory is still effective, for example keep TMSI, LAI is still effective, and back response message GUTIReallocation Complete gives MME then.
The mobile management control entities that the embodiment of the invention proposes as shown in Figure 6, comprising: receiving element 61 is used to receive the attachment removal Indication message; Judging unit 62 is used to judge whether the attachment removal Indication message that receiving element 61 receives indicates by this mobile management control entities detaching user terminal; Notification unit 63 is used for when judging unit 62 is judged this Indication message and do not indicated by this mobile management control entities detaching user terminal, and the return circuit domain function of notifying described this user terminal of user terminal is by deexcitation.
Described mobile management control entities also comprises delete cells, is used for after receiving element 61 receives the attachment removal Indication message, deletes the data that the correspondence of self storing sends the entity of this attachment removal Indication message.
Particularly, after receiving element 61 receives the attachment removal Indication message, and when judging unit 62 was judged this attachment removal Indication message indication by this mobile management control entities attachment removal, delete cells was carried out the data that the correspondence of deleting this mobile management control entities storage sends the entity of this attachment removal Indication message;
After receiving element 61 receives the attachment removal Indication message, and when judging unit 62 is judged this attachment removal Indication message and is not indicated by this mobile management control entities attachment removal, delete cells executes the CSFB function of this user terminal of informing user terminal by deexcitation at notification unit 63, and receive the affirmation message of the corresponding feedback of user terminal, and after the entity that the correspondence of this mobile management control entities storage sends this attachment removal Indication message sent attachment removal indication acknowledge message, the correspondence of carrying out this mobile management control entities storage of deletion sent the operation of data of the entity of this attachment removal Indication message.
Described mobile management control entities also comprises storage update unit 64, be used for when judging unit 62 is judged the indication of this Indication message by this mobile management control entities detaching user terminal, the mobile management connection status to should user terminal of upgrading self storage is attachment removal.
Described notification unit 63 is by carrying the deexcitation sign in the message that sends to user terminal, the return circuit domain function that comes this user terminal of informing user terminal is by deexcitation.
The user terminal that the embodiment of the invention proposes as shown in Figure 7, the return circuit domain function of described user terminal is activated between first mobile management control entities and second mobile management control entities, comprise: receiving element 71 is used to receive the message that first mobile management control entities sends; Judging unit 72 is used for judging whether the message that receiving element 71 receives includes the deexcitation sign; Storage update unit 73 is used in judged result when being, the mobile management connection status of upgrading correspondence second mobile management control entities of self storage is attachment removal.
Adopt the present invention program, how to have solved the CSFB function of deexcitation UE effectively.If the CSFB function of UE is activated in first mobile management control entities and second mobile management control entities early stage, work as UE so and in first (two) mobile management control entities, be in connection status, and when second (one) mobile management control entities is initiated the CSFB function of this UE of deexcitation, first (two) mobile management control entities can be received the attachment removal Indication message that second (one) mobile management control entities sends, thereby first (two) mobile management control entities can its context data of corresponding renewal, UE can receive the notification message that first (two) mobile management control entities sends simultaneously, notifies its CSFB function by deexcitation; In first (two) mobile management control entities, be in connection status and work as UE, and when UE initiates attachment removal first mobile management control entities and second mobile management control entities owing to reasons such as shutdown, first (two) mobile management control entities can send the attachment removal Indication message to second (one) mobile management control entities, thereby second (one) mobile management control entities can its context data of corresponding renewal.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (16)
1. the method for the return circuit domain function of a deexcitation user terminal is characterized in that, comprising:
First mobile management control entities receives the attachment removal Indication message that second mobile management control entities is sent; And
Judge whether described attachment removal Indication message indicates by this first mobile management control entities detaching user terminal; And
When judging described attachment removal Indication message and do not indicate by this first mobile management control entities detaching user terminal, the return circuit domain function of notifying described this user terminal of user terminal is by deexcitation.
2. the method for claim 1, it is characterized in that, when user terminal provides service by first mobile management control entities, when second mobile management control entities is initiated this user terminal of attachment removal, second mobile management control entities sends described attachment removal Indication message to this first mobile management control entities, and described attachment removal Indication message indication is by the described user terminal of the second mobile management control entities attachment removal.
3. the method for claim 1, it is characterized in that, when user terminal provides service by second mobile management control entities, when described user terminal is initiated attachment removal first mobile management control entities and second mobile management control entities, second mobile management control entities sends described attachment removal Indication message to this first mobile management control entities, and described attachment removal Indication message indication is by this first mobile management control entities and the described user terminal of the second mobile management control entities attachment removal.
4. the method for claim 1, it is characterized in that, after receiving the attachment removal Indication message that second mobile management control entities sends, also comprise first mobile management control entities deletion self storage to data that should second mobile management control entities.
5. the method for claim 1, it is characterized in that, also comprise first mobile management control entities when judging the indication of described attachment removal Indication message by this first mobile management control entities detaching user terminal, the mobile management connection status to should user terminal of upgrading self storage is attachment removal.
6. the method for claim 1 is characterized in that, first mobile management control entities is by carrying the deexcitation sign in the message that sends to user terminal, and the return circuit domain function that comes this user terminal of informing user terminal is by deexcitation.
7. method as claimed in claim 6 is characterized in that, also comprises:
Whether include the deexcitation sign in the message that first mobile management control entities that the user terminal judgement receives sends; And
When including the deexcitation sign in judging the described message of reception, the mobile management connection status of upgrading correspondence second mobile management control entities of self storing is attachment removal.
8. method as claimed in claim 4 is characterized in that, described second mobile management control entities is a Mobility Management Entity;
The data of described corresponding second mobile management control entities comprise the address information of Mobility Management Entity.
9. method as claimed in claim 6 is characterized in that, described second mobile management control entities is a Mobility Management Entity;
The described message that comprises the deexcitation sign is the heavy assignment messages of Temporary Mobile Subscriber Identity.
10. method as claimed in claim 4 is characterized in that, described second mobile management control entities is:
Mobile switching centre; Or
VLR Visitor Location Register;
The data of described corresponding second mobile management control entities comprise:
The address information of mobile switching centre; And/or
The address information of VLR Visitor Location Register; And/or
Location area information.
11. method as claimed in claim 6 is characterized in that, described second mobile management control entities is:
Mobile switching centre; Or
VLR Visitor Location Register;
The described message that comprises the deexcitation sign is the heavy assignment messages of global unique user's temporary mark.
12. a mobile management control entities is characterized in that, comprising:
Receiving element is used to receive the attachment removal Indication message;
Judging unit is used to judge whether the attachment removal Indication message that receiving element receives indicates by this mobile management control entities detaching user terminal;
Notification unit is used for when judgment unit judges goes out this Indication message and do not indicate by this mobile management control entities detaching user terminal, and the return circuit domain function of notifying described this user terminal of user terminal is by deexcitation.
13. mobile management control entities as claimed in claim 12 is characterized in that, also comprises delete cells, is used for after receiving element receives the attachment removal Indication message, deletes the data that the correspondence of self storing sends the entity of this attachment removal Indication message.
14. mobile management control entities as claimed in claim 12, it is characterized in that, also comprise: the storage update unit, be used for when judgment unit judges goes out the indication of this Indication message by this mobile management control entities detaching user terminal, the mobile management connection status to should user terminal of upgrading self storage is attachment removal.
15. mobile management control entities as claimed in claim 12 is characterized in that, described notification unit is by carrying the deexcitation sign in the message that sends to user terminal, and the return circuit domain function that comes this user terminal of informing user terminal is by deexcitation.
16. a user terminal, the return circuit domain function of described user terminal is activated between first mobile management control entities and second mobile management control entities, it is characterized in that, comprising:
Receiving element is used to receive the message that first mobile management control entities sends;
Judging unit is used for judging whether the message that receiving element receives includes the deexcitation sign; Described deexcitation sign is used for the return circuit switching domain function of indicating user terminal by deexcitation;
The storage update unit is used in judged result when being, the mobile management connection status of upgrading correspondence second mobile management control entities of self storage is attachment removal.
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| CN2008101143242A CN101600190B (en) | 2008-06-03 | 2008-06-03 | Method and device for activating return circuit domain function of user terminal |
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| JP5584081B2 (en) * | 2010-10-07 | 2014-09-03 | 株式会社Ｎｔｔドコモ | Communication control system and mobile station control method |
| WO2012094799A1 (en) * | 2011-01-10 | 2012-07-19 | 华为技术有限公司 | Processing method applying idle mode signaling reduction (isr) mechanism and user equipment thereof |
| WO2013010005A1 (en) | 2011-07-12 | 2013-01-17 | Interdigital Patent Holdings, Inc. | Method and apparatus for multi-rat access mode operation |
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