CN101605407B - Method, system and device for detaching user terminal - Google Patents
Method, system and device for detaching user terminal Download PDFInfo
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Abstract
The invention discloses a method, a system and a device for detaching a user terminal, which belong to the communication technical field and are used for realizing the indefinite detaching process of a service gateway servicing the user terminal to the user terminal. The method is applied to the condition that the idle state signaling optimizing ISR function of the user terminal is activated. The method comprises the following step: when the state of a first permission indefinite detaching IDP identification of the user terminal, which corresponds to a first user movable control management entity of one wireless access type registered by the user terminal and is stored in the service gateway servicing the user terminal, is the set state, and the state of a second IDP identification of the user terminal, which corresponds to a second user movable control management entity of the other wireless access type registered by the user terminal, is the set state, the service gateway initiates the indefinite detaching process to the user terminal.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of method, system and device of detaching user terminal.
Background technology
Idle state signaling is optimized a kind of technology that (ISR, Idle State Signaling Reduction) technology is evolved packet system (EPS, the Evolved Packet System) proposition of 3GPP.When the ISR function activation of user terminal (UE), this UE is registered to universal terrestrial access network (UTRAN simultaneously, Universal Terrestrial Radio Access Network)/global system for mobile communications (GSM, GlobalSystem for Mobile communication)/the enhancing data transfer rate (EDGE of GSM evolution, Enhanced Data rates for GSM Evolution) Radio Access Network (GERAN, GSM/EDGE Radio Access Network), with evolved universal terrestrial radio access network (E-UTRAN, Evolved Universal Terrestrial Radio Access Network) on the user mobile control management entity (UEMCME) of connecting system, just be registered to service universal packet wireless business affair (GPRS simultaneously, General Packet Radio Service) service node (SGSN, Serving GPRS Support Node) and Mobility Management Entity (MME, Mobility Management Entity) on, SGSN is a kind of wireless access type (RAT, Radio Access Type) user mobile control management entity, MME is the user mobile control management entity of another kind of RAT.
When UE is in Idle state, UE distributes to the route district (RA of UE at SGSN, Routing Area) and MME distribute to the tracking area of UE (TA TrackingArea) in the process that moves in the tabulation (List), need not to do the operation of general Routing Area Update or general tracing section updating.When the ISR of UE function activation, the user plane destination node of UE is positioned at gateway (Serving GW).
The 4.3.5.2 chapters and sections of existing TS23.401v8.2.0 are pointed out, behind the ISR of UE function activation, for this UE, when MME enters idle condition, this MME starts user's accessibility timer (MRT, Mobile Reachable Timer), if MRT is overtime, then MME removes the paging processing sign (PPF of this UE, Paging Process Flag), promptly this UE is not carried out paging, just when Serving GW after MME sends downlink data notification (Downlink Data Notification) message, MME no longer carries out paging to this UE, and sends downlink data notification refusal (Downlink DataNotification Reject) message to Serving GW.MME also will start second timer (Timer) simultaneously, after second Timer is overtime, MME judges whether the ISR function of UE activates, if the ISR function activation of UE, then the state of " allowing non-clear and definite attachment removal (IDP, ImplicitDetach permitted) " sign of MME this UE that self is preserved is set to be provided with state; If the ISR function un-activation of UE, then MME can non-at any time clear and definite this UE of (Implicitly) attachment removal.
If UE has set up signaling with MME and has been connected, then the state of the IDP sign of this UE of MME self preservation is set to the removing state, and sign (PPF, PagingProceed Flag) is handled in the paging that this UE is set.
To sum up, the IDP of this UE sign has only two states among the MME: state and removing state are set.
Behind the ISR of UE function activation, SGSN has the similar function with MME.For example, when SGSN was in Idle state, behind second timer expiry among the SGSN, the state of the IDP of this UE that SGSN self preserves sign was set to be provided with state.
Prior art is only stipulated: under the situation of the ISR of UE function activation, the state of IDP sign that all is provided with this UE that self preserves at MME and SGSN is for after being provided with state, and MME and SGSN can distinguish non-this UE of clear and definite attachment removal in random time subsequently.But, the state that does not spell out IDP sign how to know the same UE that preserves among MME and the SGSN in the prior art is the state of setting, and, do not point out how to trigger MME and SGSN carries out non-clear and definite attachment removal to this UE respectively yet, so prior art can't realize UE is carried out non-clear and definite attachment removal.
Summary of the invention
The embodiment of the invention provides a kind of method, system and device of detaching user terminal, in order to realize serving the non-clear and definite attachment removal process of the gateway of user terminal to this user terminal initiation.
The method of a kind of detaching user terminal that the embodiment of the invention provides, the idle state signaling that is applied to user terminal is optimized under the situation of ISR function activation, and this method comprises:
First of the corresponding described user terminal of first user mobile control management entity of that preserve in the gateway of serving described user terminal and a kind of wireless access type registration of described user terminal allows the state of non-clear and definite attachment removal IDP sign for state is set, and with the state of the 2nd IDP sign of the corresponding described user terminal of second user mobile control management entity of the another kind of wireless access type of described user terminal registration when state is set, described gateway initiation is to the non-clear and definite attachment removal process of described user terminal.
A kind of gateway that the embodiment of the invention provides, the idle state signaling that is applied to user terminal is optimized under the situation of ISR function activation, and this gateway comprises:
First is provided with the unit, be used to be provided with and the corresponding described user terminal of first user mobile control management entity of a kind of wireless access type of preservation and the registration of described user terminal first allow the state of non-clear and definite attachment removal IDP sign for state or removing state are set;
Second is provided with the unit, be used to be provided with and the state of the 2nd IDP sign of the corresponding described user terminal of second user mobile control management entity of the another kind of wireless access type of preservation and the registration of described user terminal for state or removing state are set;
The attachment removal unit, the state that is used for identifying as the described first described IDP that the unit preservation is set is for being provided with state, and also when state was set, initiation was to the non-clear and definite attachment removal process of described user terminal for described second state that described the 2nd IDP sign of preserving the unit is set.
A kind of communication system that the embodiment of the invention provides, the idle state signaling that is applied to user terminal is optimized under the situation of ISR function activation, this system comprises: first user mobile control management entity of a kind of wireless access type of described user terminal registration and second user mobile control management entity of another kind of wireless access type, and the gateway of serving described user terminal;
Described first user mobile control management entity, be used for when the state of the non-clear and definite attachment removal IDP sign of the permission of the described user terminal of self preserving when state is set, sending to described gateway and to upgrade the user's context status request message, is the information that state is set comprising the state of the IDP sign of the described user terminal of self preserving;
Described second user mobile control management entity, be used for when the state of the IDP of the described user terminal of self preserving sign when state is set, sending to described gateway and to upgrade the user's context status request message, is the information that state is set comprising the state of the IDP sign of the described user terminal of self preserving;
Described gateway, be used for the renewal user's context status request message according to described first user mobile control management entity transmission, the state of the IDP sign of setting and the corresponding described user terminal of described first user mobile control management entity is for being provided with state; And according to the renewal user's context status request message that described second user mobile control management entity sends, the state of the 2nd IDP sign of setting and the corresponding described user terminal of described second user mobile control management entity is for being provided with state; And,, initiate non-clear and definite attachment removal process to described user terminal when the state of the state of the described IDP sign of self preserving and described the 2nd IDP sign is when state is set.
The embodiment of the invention, the idle state signaling that is applied to user terminal is optimized under the situation of ISR function activation, first of the corresponding described user terminal of first user mobile control management entity of that preserve in the gateway of serving described user terminal and a kind of wireless access type registration of described user terminal allows the state of non-clear and definite attachment removal IDP sign for state is set, and with the state of the 2nd IDP sign of the corresponding described user terminal of second user mobile control management entity of the another kind of wireless access type of described user terminal registration when state is set, described gateway is initiated the non-clear and definite attachment removal process to described user terminal, thereby when the ISR of user terminal function activation, realize serving the non-clear and definite attachment removal process of the gateway of this user terminal to this user terminal initiation.
Description of drawings
The overall procedure schematic diagram of a kind of non-clear and definite attachment removal UE that Fig. 1 provides for the embodiment of the invention;
The schematic diagram of the service request Service Request process that the UE that Fig. 2 proposes for TS23.401 initiates;
Behind the ISR function activation of the UE that Fig. 3 provides for the embodiment of the invention, the idiographic flow schematic diagram that Serving GW initiates to the non-clear and definite attachment removal of this UE;
The structural representation of a kind of gateway that Fig. 4 provides for the embodiment of the invention;
The structural representation of a kind of communication system that Fig. 5 provides for the embodiment of the invention.
Embodiment
The embodiment of the invention provides the method, system and device of a kind of attachment removal UE, in order to realize serving the non-clear and definite attachment removal process of the gateway of user terminal to this user terminal initiation.
UE described in the embodiment of the invention is meant the UE behind the ISR function activation, and this UE is registered to respectively on user mobile control management entity SGSN and the MME, and SGSN is the user mobile control management entity of different RAT with MME.First user mobile control management entity described in the embodiment of the invention is the user mobile control management entity of a kind of RAT; Described second user mobile control management entity is the user mobile control management entity of another kind of RAT.If promptly first user mobile control management entity is SGSN, then second user mobile control management entity is MME; If first user mobile control management entity is MME, then second user mobile control management entity is SGSN.Described two kinds of RAT are access styles of different 3GPP system, if a kind of RAT is corresponding UTRAN/GERAN, and the corresponding E-UTRAN of then another kind of RAT.
Below in conjunction with accompanying drawing the embodiment of the invention is described.
Referring to Fig. 1, the group method of a kind of non-clear and definite attachment removal UE that the embodiment of the invention provides comprises:
S101, under the situation of the ISR of UE function activation, when the state of the IDP sign of this UE that preserves in first user mobile control management entity of a kind of RAT of this UE registration when state is set, the state that the IDP of the gateway setting of this UE and corresponding this UE of described first user mobile control management entity identifies is for being provided with state; When the state of the IDP sign of this UE that preserves in second user mobile control management entity of the another kind of RAT of this UE registration when state is set, the state that the 2nd IDP of described gateway setting and corresponding this UE of described second user mobile control management entity identifies is for being provided with state.
S102, when the state of the IDP of the UE that preserves in gateway sign and the 2nd IDP sign all when state is set, this gateway initiation is to the non-clear and definite attachment removal process of this UE.
The state of the IDP sign of described gateway setting of the embodiment of the invention and the corresponding UE of first user mobile control management entity is that the step that state is set comprises: when the state of the IDP of the UE that preserves in first user mobile control management entity sign is set to state is set, first user mobile control management entity sends to gateway upgrades the user's context status request message, state comprising the IDP of the described user terminal of preserving in described first user mobile control management entity sign is the information that state is set, this gateway upgrades the user's context status request message according to this, and the state that described IDP sign is set is for being provided with state.
The state of the 2nd IDP sign of described gateway setting of the embodiment of the invention and corresponding this UE of second user mobile control management entity is that the step that state is set comprises: when the state of the IDP of the UE that preserves in second user mobile control management entity sign is set to state is set, second user mobile control management entity sends to gateway upgrades the user's context status request message, state comprising the IDP of the described user terminal of preserving in described second user mobile control management entity sign is the information that state is set, this gateway upgrades the user's context status request message according to this, and the state that described the 2nd IDP sign is set is for being provided with state.
Particularly, first user mobile control management entity and second user mobile control management entity, when the removing state is set to state is set, just send above-mentioned renewal user's context status request message at the state of the IDP of the UE that self preserves sign to gateway.
In the embodiment of the invention, when the state of the IDP of this UE that preserves in arbitrary user mobile control management entity of UE sign when state is set, user's context state request (Update UE Context Status Request) message send to be upgraded to the Serving GW that serves this UE in the capital, comprising the state of the IDP sign of this UE that self preserves.After Serving GW receives this message, source (being to receive this message) according to this message from MME or from SGSN, the state that corresponding IDP sign is set is for being provided with state, if promptly the Update UE Context Status Request message that receives of Serving GW is that MME sends, the state of " Implicit Detach permitted for MME (or E-UTRAN) " sign that this UE then is set is for being provided with state, and promptly the state that identifies with the IDP of corresponding this UE of MME is for being provided with state; If being SGSN, the Update UE Context StatusRequest message that Serving GW receives sends, the state of " Implicit Detach permitted forSGSN (or UTRAN/GERAN) " sign that this UE then is set is for being provided with state, and promptly the state that identifies with the IDP of corresponding this UE of SGSN is for being provided with state.Then, Serving GW responds to the transmit leg of this message and upgrades user's context condition responsive (Update UE Context Status Response) message.That is to say, at this moment, two IDP that set up for this UE in Serving GW identify, be respectively with the IDP of corresponding this UE of MME sign and with the 2nd IDP sign of corresponding this UE of SGSN, and, the state of the IDP sign of this UE is for being provided with state, and the state of the 2nd IDP sign of this UE is for being provided with state.
Regulation according to TS23.401v8.2.0, if UE has set up signaling with a certain user mobile control management entity and has been connected, then the state of the IDP sign of this UE is set is the removing state to this user mobile control management entity, that is to say, the state of IDP sign that is provided with a certain UE a user mobile control management entity is for after being provided with state, and it is the removing state that the state that the IDP of this UE identifies also might be set.
Preferably, behind the ISR of UE function activation, if the state of the IDP of this UE that preserves in arbitrary user mobile control management entity of UE sign is set to the removing state from state is set, then this user mobile control management entity sends Update UE Context StatusRequest message to the Serving GW that serves this UE, and the state that wherein comprises the IDP sign of this UE that preserves in this user mobile control management entity is the removing state.After Serving GW receives this message, source according to this message, the state that corresponding IDP sign is set is the removing state, then, Serving GW responds Update UE Context Status Response message to the transmit leg of this message, and the state with the corresponding IDP sign of this transmit leg that is provided with among the notice Serving GW is the removing state.
For example, if Serving GW receives UE Context Status Request message from MME, and the state of the sign of the IDP in this message is the removing state, and then the state of this UE that preserves among the Serving GW " Implicit Detach permitted for MME (or E-UTRAN) " sign is set to the removing state.If Serving GW receives UE Context Status Request message from SGSN, and the state of the IDP in this message is the removing state, and then the state of this UE that preserves among the Serving GW " ImplicitDetach permitted for SGSN (or UTRAN/GERAN) " sign also is set to the removing state.
In the embodiment of the invention, Serving GW also can need not the notice of user mobile control management entity, and the state that corresponding IDP sign is set is the removing state, even Serving GW has set up the user plane of the S1U interface of evolved base station (eNodeB), and then the state of this UE that preserves among the Serving GW " Implicit Detach permitted for MME (or E-UTRAN) " sign is set to the removing state; If Serving GW has set up the user plane of S12 interface or S4 interface, then the state of this UE that preserves among the Serving GW " Implicit Detach permitted for MME (or UTRAN/GERRAN) " sign is set to the removing state.
For example, after UE has set up signaling by service request (Service Request) process and MME and has been connected, the state of the IDP sign of the UE that preserves among the MME is modified to the removing state from state is set, at this moment, the state of " Implicit Detach permitted for MME (or E-UTRAN) " sign that MME can be by this UE of preserving among this Serving GW of Update UE Context Status Request message informing Serving GW is set to the removing state; Certainly, the state that MME can be not be provided with " Implicit Detach permitted for MME (or E-UTRAN) " sign of this UE that preserves among this Serving GW by UpdateUE Context Status Request message informing Serving GW yet is the removing state, but referring to Fig. 2, the Service Request process that the UE that defines by existing TS23.401v8.2.0 initiates, set up the user plane between Serving GW and the eNodeB, after having set up user plane, the state that Serving GW is provided with " Implicit Detach permitted for MME (or E-UTRAN) " sign of this UE that self preserves is the removing state.Equally, in the Service Request process that the defined UE of TS23.060 initiates, set up the user plane of S4 interface or S12 interface as Serving GW after, the state that Serving GW is provided with " Implicit Detach permitted for SGSN (or UTRAN/GERRAN) " sign of this UE that self preserves is the removing state.Wherein, the PCRF among Fig. 2 is strategy and charging rule functions (Policy and Charging Rules Function) entity, and HSS is home subscriber servers (Home Subscriber Server).
That is to say, the embodiment of the invention can also utilize that defined UE initiates in the Service Request process among TS23.060 and the TS23.401, more new bearer request (the Update Bearer Request) message that MME or SGSN send to Serving GW, the state that realization notice Serving GW is provided with " Implicit Detach permitted for MME (or E-UTRAN) " or " Implicit Detachpermitted for SGSN (or UTRAN/GERRAN) " sign of this UE that self preserves is the removing state.
In the embodiment of the invention, behind the ISR of UE function activation, find that at Serving GW the state of " Implicit Detach permitted for MME (or E-UTRAN) " sign of this UE that self preserves and " Implicit Detach permitted for SGSN (or UTRAN/GERAN)) " sign is when state is set, Serving GW initiates the process of this UE of attachment removal.Particularly, Serving GW sends detach request (Detach Request) message to MME and SGSN respectively, comprising concrete reason (Cause), promptly indicate the inaccessible information of UE, after MME and SGSN receive this Detach Request message, delete the EPS bearer context (EPS Bearer Context) of this UE respectively, and the state that this UE is set respectively is the attachment removal state, respond attachment removal response (DetachResponse) message to Serving GW respectively then, the EPS bearer context of this UE that notice Serving GW self preserves is deleted.
And, Serving GW obtains serving the address information of each PDN GW of this UE according to self user terminals stored context (UE Context), if the S5/S8 interface uses the GTP agreement, then Serving GW sends deleting bearing request (Delete Bearer Request) message to PDN GW, comprising EPS bearing identification (EPS Bearer ID) and attachment removal sign (Detach Indication), this EPS Bearer ID is the pairing EPS Bearer ID of default bearer (Default Bearer) of PDN connection (PDN Connection) for this reason.If the S5/S8 interface uses proxy-mobile IP (PMIP, ProxyMobile IP) agreement, then Serving GW sends agent binding update (PBU to PDN GW, ProxyBinging Update) message, comprise lifetime (Lifetime) parameter in this message, the value of this parameter was 0 (be used to indicate PDN GW to this UE unbind, i.e. release is connected with this UE's).
After the information that all EPS Bearer or all PDN of UE connect (PDN Connection) was deleted, Serving GW deleted all data and the resource of this UE.
Need to prove, when MME and SGSN receive the Detach Request message of Serving GW transmission, between MME and the UE, or necessarily there is not signaling to be connected between SGSN and the UE, therefore MME and SGSN do not need paging UE, MME and SGSN directly delete the EPS BearerContext data of its preservation respectively, reply Serving GW then.
Particularly, referring to Fig. 3, behind the ISR function activation of UE, the detailed process that Serving GW initiates attachment removal UE comprises:
Behind the ISR function activation of step 1:UE, it is unreachable that the MME of idle condition detects this UE, and the state of the IDP sign of this UE that preserves at MME self is when the removing state is set to state is set, MME obtains serving the address information (being that Serving GW is at the GTP-C of S11 interface IP address and Tunnel End Point Identifier (TEID)) of the Serving GW of this UE according to the UE Context of its storage, and send upgrading user's context state request (Update UE Context StatusRequest) message to Serving GW, the state that wherein carries the IDP sign of this UE that MME preserves is the information that state is set.
Step 2:Serving GW learns that according to the UE Context of its storage the ISR function of this UE is activated, discovery receives by the S11 interface from the message of MME, then Serving GW this UE that self preserves is set the state of " Implicit Detach permitted for MME (or E-UTRAN) " sign for state is set, and reply renewal user's context condition responsive (Update UEContext Status Response) message to MME.
Behind the ISR function activation of step 3:UE, it is unreachable that the SGSN of idle condition detects UE, and the state of the IDP sign of this UE that preserves at SGSN self is when the removing state is set to state is set, SGSN obtains serving the address information (being that Serving GW is at the GTP-C of S4 interface IP address and TEID) of the Serving GW of this UE according to the UE Context of its storage, and sending Update UE Context Status Request message to Serving GW, the state that wherein carries the IDP sign of this UE that SGSN preserves is the information that state is set.
Step 4:Serving GW learns that according to the UE Context of its storage the ISR function of UE is activated, and find to receive by the S4 interface from the message of SGSN, then Serving GW is provided with the Implicit Detach permitted for SGSN (or UTRAN/GERAN) of this UE that self preserves " state of sign is for being provided with state; then, to SGSN answer Update UE Context Status Response message.
Step 5: behind the ISR of UE function activation, " Implicit Detach permitted for MME (or E-UTRAN) " sign that Serving GW finds this UE that self preserves is the state of setting with the state of " Implicit Detachpermitted for SGSN (or UTRAN/GERAN)) " sign, then Serving GW initiates the process of this UE of attachment removal, comprises the steps that specifically 5a is to step 6b:
Step 5a:Serving GW sends Detach Request message to SGSN, and carries the inaccessible information of UE in this message;
Step 5b:Serving GW sends Detach Request message to MME, and carries the inaccessible information of UE in this message;
After step 6a:SGSN receives the Detach Request message of Serving GW transmission, delete the EPS Bearer Context of this UE, and after the mobility management states that this UE is set is the attachment removal state, respond Detach Response message to Serving GW;
After step 6b:MME receives the Detach Request message of Serving GW transmission, delete the EPS Bearer Context of this UE, and after the mobility management states that this UE is set is the attachment removal state, respond Detach Response message to Serving GW;
When the S5/S8 interface used the GTP agreement, the process to described UE attachment removal that Serving GW initiates further comprised:
Step 7:Serving GW obtains the GTP-C IP address and the TEID of the S5/S8 interface of the pairing PDN GW of each PDN Connection according to the UE Context of its storage, and sends deleting bearing request (Delete Bearer Request) message to the PDNGW of correspondence.
After step 8:PDN GW receives the Delete Bearer Request message of Serving GW transmission, the PDN link information of deleting described UE, and to Serving GW response deleting bearing response (DeleteBearer Response) message.
Step 9: if the dynamic strategy and the control (PCC that charges, Policy and Charging Control) disposed, then PDN GW carries out IP connection Access Network session (the IP-CAN Session that defined PCRF initiates in existing TS23.203, IP Connectivity Access Network Session) termination procedure, deleted to PCRF indication EPS carrying.
Step 10:Serving GW is according to the message of MME, SGSN and all relevant PDN GW answers, all EPS carryings and/or all PDN link informations of confirming this UE are deleted, then ServingGW deletes all data of this UE that self stores, and discharges the Internet resources (as the GTP IP address and the TEID of S4, S11, S5/S8 interface) of distributing to this UE.
Need to prove, the explanation that the embodiment of the invention uses the GTP agreement to carry out as example with the S5/S8 interface, when the S5/S8 interface used proxy mobile IP protocol, the method that the embodiment of the invention provides stood good.When the S5/S8 interface used proxy mobile IP protocol, Serving GW request PDN GW deleted the message of whole PDNConnection connection and done definition in existing TS23.402.
Introduce system and device that the embodiment of the invention provides below.
Referring to Fig. 4, a kind of gateway 40 that the embodiment of the invention provides, the idle state signaling that is applied to user terminal is optimized under the situation of ISR function activation, and this gateway 40 comprises:
First is provided with unit 401, be used to be provided with and the corresponding described user terminal of first user mobile control management entity of a kind of wireless access type of preservation and the registration of described user terminal first allow the state of non-clear and definite attachment removal IDP sign for state or removing state are set.
Second is provided with unit 402, be used to be provided with and the state of the 2nd IDP sign of the corresponding described user terminal of second user mobile control management entity of the another kind of wireless access type of preservation and the registration of described user terminal for state or removing state are set.
Further, described first is provided with unit 401, when the state of the IDP of the described user terminal of preserving in described first user mobile control management entity sign when state is set, state that a described IDP identifies is set for state is set; And when the state of the IDP of the described user terminal of preserving in described first user mobile control management entity sign was the removing state, the state that described IDP sign is set was the removing state; Described second is provided with unit 402, when the state of the IDP of the described user terminal of preserving in described second user mobile control management entity sign when state is set, state that described the 2nd IDP identifies is set for state is set; And when the state of the IDP of the described user terminal of preserving in described second user mobile control management entity sign was the removing state, the state that described the 2nd IDP sign is set was the removing state.
Further, described first is provided with unit 401, by the renewal user's context status request message from described first user mobile control management entity that receives, the state of IDP sign of learning the described user terminal of preserving in described first user mobile control management entity is for being provided with state or removing state; Described second is provided with unit 402, by the renewal user's context status request message from described second user mobile control management entity that receives, the state of IDP sign of learning the described user terminal of preserving in described second user mobile control management entity is for being provided with state or removing state.
Referring to Fig. 5, a kind of communication system that the embodiment of the invention provides, the idle state signaling that is applied to user terminal is optimized under the situation of ISR function activation, this system comprises: first user mobile control management entity 51 of a kind of wireless access type of described user terminal registration and second user mobile control management entity 52 of another kind of wireless access type, and the gateway 53 of serving described user terminal;
Described first user mobile control management entity 51, be used for when the state of the non-clear and definite attachment removal IDP sign of the permission of the described user terminal of self preserving when state is set, sending to described gateway 53 and to upgrade the user's context status request message, is the information that state is set comprising the state of the IDP sign of the described user terminal of self preserving.
Described second user mobile control management entity 52, be used for when the state of the IDP of the described user terminal of self preserving sign when state is set, sending to described gateway 53 and to upgrade the user's context status request message, is the information that state is set comprising the state of the IDP sign of the described user terminal of self preserving.
Described gateway 53, be used for the renewal user's context status request message according to 51 transmissions of described first user mobile control management entity, the state of the IDP sign of setting and described first user mobile control management entity, 51 corresponding described user terminals is for being provided with state; And according to the renewal user's context status request message that described second user mobile control management entity 52 sends, the state of the 2nd IDP sign of setting and described second user mobile control management entity, 52 corresponding described user terminals is for being provided with state; And,, initiate non-clear and definite attachment removal process to described user terminal when the state of the state of the described IDP sign of self preserving and described the 2nd IDP sign is when state is set.
Preferably, described first user mobile control management entity 51, when the state of the IDP of the described user terminal that will self preserve sign from removing status modifier when state is set, sending to described gateway 53 and to upgrade the user's context status request message, is the information that state is set comprising the state of the IDP sign of the described user terminal of self preserving; Described second user mobile control management entity 52, when the state of the IDP of the described user terminal that will self preserve sign from removing status modifier when state is set, sending to described gateway 53 and to upgrade the user's context status request message, is the information that state is set comprising the state of the IDP sign of the described user terminal of self preserving.
Preferably, described first user mobile control management entity 51, when the state of the IDP of the described user terminal that will self preserve sign is the removing state from status modifier is set, sending to described gateway 53 and to upgrade the user's context status request message, is the information of removing state comprising the state of the IDP sign of the described user terminal of self preserving; Described second user mobile control management entity 52, when the state of the IDP of the described user terminal that will self preserve sign is the removing state from status modifier is set, sending to described gateway 53 and to upgrade the user's context status request message, is the information of removing state comprising the state of the IDP sign of the described user terminal of self preserving; Described gateway 53, according to the renewal user's context status request message that described first user mobile control management entity 51 sends, the state that described IDP sign is set is the removing state; According to the renewal user's context status request message that described second user mobile control management entity 52 sends, the state value that described the 2nd IDP sign is set is the removing state.
Further, described gateway 53, when the state of the state of the described IDP sign of self preserving and described IDP sign is when state is set, the process that UE is carried out non-clear and definite attachment removal of initiation comprises:
Described gateway 53 sends detach request message to described first user mobile control management entity 51 and described second user mobile control management entity 52 respectively, comprising the inaccessible information of described user terminal; Described first user mobile control management entity 51 and described second user mobile control management entity 52, when receiving described detach request message, delete the evolved packet system EPS bearer context of described user terminal respectively, and the state that described user terminal is set respectively is mobile management attachment removal state, replys the attachment removal response message to described gateway respectively then.
Embodiment of the invention system also comprises one or more packet data network gateways 54 of serving described user terminal.So, described gateway 53, when the state value of the sign of the described IDP in self is a state value that state and described the 2nd IDP sign be set when state is set, the non-clear and definite attachment removal process to described user terminal of initiation also comprises:
Described gateway 53, in described first user mobile control management entity 51 and described second user mobile control management entity, 52 transmission detach request message, send the message of all carryings of the described user terminal of request deletion concurrently to described packet data network gateway 54; Described packet data network gateway 54 receives after request that described gateway sends deletes the message of all carryings of described user terminal, all carryings of deleting described user terminal, and reply response message and give described gateway.
Further, described gateway 53, after all Packet Data Network's link informations of all EPS of described user terminal carrying and/or described user terminal are deleted, and, after receiving the attachment removal response message of described first user mobile control management entity 51 and 52 transmissions of described second user mobile control management entity, all data and the resource of deleting this user terminal.
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 (19)
1. the method for a detaching user terminal, the idle state signaling that is applied to user terminal is optimized under the situation of ISR function activation, it is characterized in that this method comprises:
First of the corresponding described user terminal of first user mobile control management entity of that preserve in the gateway of serving described user terminal and a kind of wireless access type registration of described user terminal allows the state of non-clear and definite attachment removal IDP sign for state is set, and with the state of the 2nd IDP sign of the corresponding described user terminal of second user mobile control management entity of the another kind of wireless access type of described user terminal registration when state is set, described gateway initiation is to the non-clear and definite attachment removal process of described user terminal.
2. method according to claim 1 is characterized in that, this method also comprises: the state that described gateway is provided with described IDP sign is for being provided with state, and the state that described the 2nd IDP identifies is set is the step that state is set; And,
The state that described gateway is provided with described IDP sign is that the step that state is set comprises: the state of the IDP sign of the described user terminal of preserving when described first user mobile control management entity is when being provided with state, described first user mobile control management entity sends to described gateway upgrades the user's context status request message, state comprising the IDP of the described user terminal of preserving in described first user mobile control management entity sign is the information that state is set, described gateway upgrades the user's context status request message according to this, and the state that described IDP sign is set is for being provided with state;
The state that described gateway is provided with described the 2nd IDP sign is that the step that state is set comprises: the state of the IDP sign of the described user terminal of preserving when described second user mobile control management entity is when being provided with state, described second user mobile control management entity sends to described gateway upgrades the user's context status request message, state comprising the IDP of the described user terminal of preserving in described second user mobile control management entity sign is the information that state is set, described gateway upgrades the user's context status request message according to this, and the state that described the 2nd IDP sign is set is for being provided with state.
3. method according to claim 2, it is characterized in that, the state of the IDP sign of the described user terminal of self being preserved when described first user mobile control management entity is from removing status modifier when state is set, and described first user mobile control management entity sends renewal user's context status request message to described gateway;
The state of the 1DP sign of the described user terminal of self being preserved when described second user mobile control management entity is from removing status modifier when state is set, and described second user mobile control management entity sends renewal user's context status request message to described gateway.
4. method according to claim 2 is characterized in that, this method also comprises:
When the state that the 1DP sign of the described user terminal of self preserving is set when described first user mobile control management entity is the removing state, described first user mobile control management entity sends to described gateway upgrades the user's context status request message, is the information of removing state comprising the state of the IDP sign of the described user terminal of preserving in described first user mobile control management entity; Described gateway upgrades the user's context status request message according to this, and the state that described IDP sign is set is the removing state;
When the state that the IDP sign of the described user terminal of self preserving is set when described second user mobile control management entity is the removing state, described second user mobile control management entity sends to described gateway upgrades the user's context status request message, is the information of removing state comprising the state of the IDP sign of the described user terminal of preserving in described second user mobile control management entity; Described gateway upgrades the user's context status request message according to this, and the state that described the 2nd IDP sign is set is the removing state.
5. method according to claim 4, it is characterized in that, when the state of the IDP sign of the described user terminal of self being preserved when described first user mobile control management entity was the removing state from status modifier is set, described first user mobile control management entity sends to described gateway upgraded the user's context status request message;
When the state of the IDP sign of the described user terminal of self being preserved when described second user mobile control management entity was the removing state from status modifier is set, described second user mobile control management entity sends to described gateway upgraded the user's context status request message.
6. method according to claim 1 is characterized in that, this method also comprises:
Initiate in the process of service request at described user terminal, when described gateway received the renewal bearing request message of described first user mobile control management entity transmission, the state that described IDP sign is set was the removing state; When described gateway received the renewal bearing request message of described second user mobile control management entity transmission, the state that described the 2nd IDP sign is set was the removing state.
7. method according to claim 1 is characterized in that, described gateway initiates the step of the non-clear and definite attachment removal process of described user terminal is comprised:
Described gateway sends detach request message respectively to described first user mobile control management entity and described second user mobile control management entity, comprising the inaccessible information of described user terminal;
Described first user mobile control management entity and described second user mobile control management entity, when receiving described detach request message, delete the evolved packet system EPS bearer context of described user terminal respectively, and the state that described user terminal is set respectively is mobile management attachment removal state, returns the attachment removal response message to described gateway respectively then.
8. method according to claim 7, it is characterized in that, described gateway sends the message of all carryings of the described user terminal of request deletion concurrently to each packet data network gateway of serving described user terminal in the time of described first user mobile control management entity and described second user mobile control management entity transmission detach request message;
Described packet data network gateway is deleted all carryings of described user terminal, and replys response message and give described gateway.
9. method according to claim 8, it is characterized in that, when all Packet Data Network's link informations of all EPS of described user terminal carrying and/or described user terminal deleted, and when described gateway received the attachment removal response message of described first user mobile control management entity and the transmission of described second user mobile control management entity, described gateway was deleted all data and the resource of this user terminal.
10. gateway, the idle state signaling that is applied to user terminal is optimized under the situation of ISR function activation, it is characterized in that this gateway comprises:
First is provided with the unit, be used to be provided with and the corresponding described user terminal of first user mobile control management entity of a kind of wireless access type of preservation and the registration of described user terminal first allow the state of non-clear and definite attachment removal IDP sign for state or removing state are set;
Second is provided with the unit, be used to be provided with and the state of the 2nd IDP sign of the corresponding described user terminal of second user mobile control management entity of the another kind of wireless access type of preservation and the registration of described user terminal for state or removing state are set;
The attachment removal unit, the state that is used for identifying as the described first described IDP that the unit preservation is set is for being provided with state, and also when state was set, initiation was to the non-clear and definite attachment removal process of described user terminal for described second state that described the 2nd IDP sign of preserving the unit is set.
11. gateway according to claim 10 is characterized in that,
Described first is provided with the unit, when the state of the IDP of the described user terminal of preserving in described first user mobile control management entity sign when state is set, state that a described IDP identifies is set for state is set; And when the state of the IDP of the described user terminal of preserving in described first user mobile control management entity sign was the removing state, the state that described IDP sign is set was the removing state;
Described second is provided with the unit, when the state of the IDP of the described user terminal of preserving in described second user mobile control management entity sign when state is set, state that described the 2nd IDP identifies is set for state is set; And when the state of the IDP of the described user terminal of preserving in described second user mobile control management entity sign was the removing state, the state that described the 2nd IDP sign is set was the removing state.
12. gateway according to claim 11 is characterized in that,
Described first is provided with the unit, by the renewal user's context status request message from described first user mobile control management entity that receives, the state of IDP sign of learning the described user terminal of preserving in described first user mobile control management entity is for being provided with state or removing state;
Described second is provided with the unit, by the renewal user's context status request message from described second user mobile control management entity that receives, the state of IDP sign of learning the described user terminal of preserving in described second user mobile control management entity is for being provided with state or removing state.
13. communication system, the idle state signaling that is applied to user terminal is optimized under the situation of ISR function activation, it is characterized in that, this system comprises: first user mobile control management entity of a kind of wireless access type of described user terminal registration and second user mobile control management entity of another kind of wireless access type, and the gateway of serving described user terminal;
Described first user mobile control management entity, be used for when the state of the non-clear and definite attachment removal IDP sign of the permission of the described user terminal of self preserving when state is set, sending to described gateway and to upgrade the user's context status request message, is the information that state is set comprising the state of the IDP sign of the described user terminal of self preserving;
Described second user mobile control management entity, be used for when the state of the IDP of the described user terminal of self preserving sign when state is set, sending to described gateway and to upgrade the user's context status request message, is the information that state is set comprising the state of the IDP sign of the described user terminal of self preserving;
Described gateway, be used for the renewal user's context status request message according to described first user mobile control management entity transmission, the state of the IDP sign of setting and the corresponding described user terminal of described first user mobile control management entity is for being provided with state; And according to the renewal user's context status request message that described second user mobile control management entity sends, the state of the 2nd IDP sign of setting and the corresponding described user terminal of described second user mobile control management entity is for being provided with state; And,, initiate non-clear and definite attachment removal process to described user terminal when the state of the state of the described IDP sign of self preserving and described the 2nd IDP sign is when state is set.
14. system according to claim 13, it is characterized in that, described first user mobile control management entity, when the state of the IDP of the described user terminal of self preserving sign from removing status modifier when state is set, send renewal user's context status request message to described gateway;
Described second user mobile control management entity, when the state of the IDP of the described user terminal of self preserving sign from removing status modifier when state is set, send renewal user's context status request message to described gateway.
15. system according to claim 13 is characterized in that,
Described first user mobile control management entity, when the state of the IDP of the described user terminal of self preserving sign is the removing state, sending to described gateway and to upgrade the user's context status request message, is the information of removing state comprising the state of the IDP sign of the described user terminal of self preserving;
Described second user mobile control management entity, when the state of the IDP of the described user terminal of self preserving sign is the removing state, sending to described gateway and to upgrade the user's context status request message, is the information of removing state comprising the state of the IDP sign of the described user terminal of self preserving;
Described gateway, according to the renewal user's context status request message that described first user mobile control management entity sends, the state that described IDP sign is set is the removing state; According to the renewal user's context status request message that described second user mobile control management entity sends, the state value that described the 2nd IDP sign is set is the removing state.
16. system according to claim 15 is characterized in that,
Described first user mobile control management entity when the state of the IDP of the described user terminal of self preserving sign is the removing state from status modifier is set, sends renewal user's context status request message to described gateway;
Described second user mobile control management entity when the state of the IDP of the described user terminal of self preserving sign is the removing state from status modifier is set, sends renewal user's context status request message to described gateway.
17. system according to claim 13, it is characterized in that, described gateway, when the state of the state of the described IDP sign of self preserving and described the 2nd IDP sign is when state is set, send detach request message to described first user mobile control management entity and described second user mobile control management entity respectively, comprising the inaccessible information of described user terminal;
Described first user mobile control management entity and described second user mobile control management entity, when receiving described detach request message, delete the evolved packet system EPS bearer context of described user terminal respectively, and the state that described user terminal is set respectively is mobile management attachment removal state, replys the attachment removal response message to described gateway respectively then.
18. system according to claim 17 is characterized in that, this system also comprises one or more packet data network gateways of serving described user terminal;
Described gateway, in described first user mobile control management entity and described second user mobile control management entity transmission detach request message, send the message of all carryings of the described user terminal of request deletion concurrently to described packet data network gateway;
Described packet data network gateway, after being used to receive request that described gateway sends and deleting the message of all carryings of described user terminal, all carryings of deleting described user terminal, and reply response message and give described gateway.
19. system according to claim 18, it is characterized in that, described gateway, after all Packet Data Network's link informations of all EPS of described user terminal carrying and/or described user terminal are deleted, and, after receiving the attachment removal response message of described first user mobile control management entity and described second user mobile control management entity transmission, all data and the resource of deleting this user terminal.
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| CN1972225A (en) * | 2005-11-24 | 2007-05-30 | 华为技术有限公司 | Method for interacting user information between different sub-systems in next generation network |
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| CN1960565A (en) * | 2005-11-01 | 2007-05-09 | 华为技术有限公司 | Evolution mobile communication network, and method for registering on evolution 3G access network from terminal |
| CN1972225A (en) * | 2005-11-24 | 2007-05-30 | 华为技术有限公司 | Method for interacting user information between different sub-systems in next generation network |
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