CN103348715B - A kind of method and device of circuit switching fall-back scene deactivating Idle state saving signaling - Google Patents

A kind of method and device of circuit switching fall-back scene deactivating Idle state saving signaling Download PDF

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CN103348715B
CN103348715B CN201180002100.2A CN201180002100A CN103348715B CN 103348715 B CN103348715 B CN 103348715B CN 201180002100 A CN201180002100 A CN 201180002100A CN 103348715 B CN103348715 B CN 103348715B
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msc
sgs
mme
message
district
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CN103348715A (en
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陈中平
于益俊
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H04W68/02—Arrangements for increasing efficiency of notification or paging channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/30—Connection release

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The embodiment of the present invention provides a kind of method of Idle state saving signaling ISR processing method under circuit switching fall-back CSFB scene, including: user equipment (UE) receives the primary importance district renewal of Mobility Management Entity MME transmission and accepts message；The second position district renewal receiving Serving GPRS Support Node SGSN or moving exchanging center MSC transmission accepts message；Determine that the SGs that described MME with MSC creates associates to be released, perform deexcitation ISR operation or maintain the operation of ISR unactivated state.Correspondingly, the embodiment of the present invention also provides for a kind of UE, solves and is not set up SGs association when UE returns E-UTRAN and causes the inaccessible problem of paging, improves deployment effect and the reliability of business of ISR.

Description

A kind of method of circuit switching fall-back scene deactivating Idle state saving signaling and Device
Technical field
The present embodiments relate to communication technical field, particularly relate to a kind of circuit switching fall-back field The method and device of scape deactivating Idle state saving signaling.
Background technology
Existing mobile communications network includes Radio Access Network (Radio Access Network, hereinafter referred to as RAN) and core network (Core Network, CN) two Point.Wireless access network includes UMTS Terrestrial radio access network (UMTS Territorial Radio Access Network, UTRAN), GSM EDGE wireless access network (GSM EDGE Radio Access Network, GERAN) and the UMTS Terrestrial radio access network of evolution (Evolved UMTS Territorial Radio Access Network).Core network includes mobile Property management entity (Mobility Management Entity, MME), service GPRS support Node (Serving GPRS Support Node, SGSN) and mobile switching centre (Mobile Switch Center, MSC).CN logically can be divided into circuit switching (Circuit Switched, CS) territory and packet switch (Packet Switched, PS) territory.MSC is CS Entity in territory, SGSN, MME are the entities in PS territory.Between SGSN and MSC Associated by Gs interface, by SGs interface conjunctionn between MME and MSC.For MSC For, Gs association associates with SGs and can only create one of which, once create new association, Association before needs release.
UE under idle pulley need to perform corresponding mobility pipe when of changing access system Reason flow process.E-UTRAN, UE initiating updating of tracking area is accessed from GERAN/UTRAN (Tracking Area Update, TAU) flow process, can be single TAU flow process, also Can be united tracking area/location area updating flow process (Combined TA/LA Updating Procedure)；Access GERAN/UTRAN, UE from E-UTRAN and initiate Route Area more Newly (Routing Area Update, RAU) flow process, can be single RAU flow process, Can also be united routing area/location more new technological process (Combined RA/LA Updating Procedure)。
Owing to E-UTRAN network belongs to PS territory, if UE receives in E-UTRAN network CS beep-page message, then to return GERAN/UTRAN from E-UTRAN network and perform this time CS business, at this moment needs to set up SGs association for UE between MME and MSC.Based on SGs Framework and the processing method of association execution CS business are referred to as circuit switching fall-back (CS Fallback, CSFB) or short message based on SGs (SMS over SGs).
For the UE under solution idle pulley between GERAN/UTRAN and E-UTRAN Frequently switch and cause occurring substantial amounts of mobile management flow process, cause signal resource storm, Idle state saving signaling (Idle mode signaling reduction, ISR) can be introduced Function.ISR is in the RAU flow process or TAU flow process initiated at UE, by SGSN or MME selects to activate and notify to UE.Once ISR activate, UE registration RA region and The TA region of registration is moved, and because access system changes, RAU or TAU will not occur Flow process, serves the effect of saving signaling.
Under the scene that ISR activates, UE needs to be used for interim more new logo next time (temporary identity used in next update, TIN) is set to " RAT-related TMSI”.TIN is a parameter of UE context, is used for determining UE initiation next time The UE identification information carried required for updating in process messages.The value of TIN it may be that Whole world unique temporary identity (Globally Unique Temporary Identity, GUTI) Or Packet Temporary Mobile Subscriber Identity mark (IPacket Temporary Mobile Subscriber Identity, P-TMSI) or relevant temporarily the moving of wireless access technology User knows identity (radio acess technology-related Temporary Mobile Subscriber Identity, RAT-related TMSI).For UE, TIN is permissible It is used for determining the state of ISR.Wherein TIN is set to RAT-related TMSI, Ke Yiyong UE is indicated to be in ISR state of activation；Otherwise, TIN is set to GUTI or P-TMSI, Can be used to indicate UE to be in deactivation status.
In prior art, UE sends in RAU more new technological process, receives SGSN and issues more New technological process confirms message, carries and do not activate or the instruction of deexcitation ISR in message, then UE ISR or deexcitation ISR is not activated according to ISR instruction.If deexcitation is i.e. to have activated before ISR then discharge before activation.
Additionally, UE sends single LAU more new technological process in GERAN/UTRAN network Time, network side is by the Gs association set up before release or SGs association.
In prior art, the instruction that UE simply issues according to network side performs deexcitation behaviour Make；If UE initiates RAU when E-UTRAN is switched to GERAN/UTRAN Flow process, causes SGs association release；If ISR is to activate when returning E-UTRAN, UE self cannot determine deexcitation, also would not initiate TAU flow process or associating TAU/LAU flow process, the SGs being released association also will not re-establish.The most once exist GERAN/UTRAN paging UE, owing to SGs association is not set up, paging is unreachable, Business is unreliable.
Summary of the invention
The embodiment of the present invention provides the processing method and processing device of ISR under a kind of CSFB scene, uses In time solving as UE return E-UTRAN, SGs association can not be set up because ISR activates cause The inaccessible problem of paging.
The embodiment of the present invention provides Idle state saving under a kind of circuit switching fall-back CSFB scene Signaling ISR processing method, including:
User equipment (UE) receives the primary importance district renewal that Mobility Management Entity MME sends Accept message；
Receive that Serving GPRS Support Node SGSN or moving exchanging center MSC send the Two location area updatings accept message；
Determine that the SGs that described MME with MSC creates associates to be released, perform deexcitation ISR Operation.
The embodiment of the present invention also provides for a kind of user equipment (UE), including:
Receive unit, for receiving the primary importance district that Mobility Management Entity MME sends Renewal accepts message, and Serving GPRS Support Node SGSN or mobile switching centre The second position district that MSC sends updates and accepts message；
Judging unit, is released for determining that the SGs that described MME with MSC creates associates Put；
Processing unit, is used for performing deexcitation ISR operation.
The method provided by the embodiment of the present invention and subscriber equipment, UE issues according to network side Accept message, determine that SGs association is released thus performs deexcitation ISR.Improve ISR Deployment effect, UE return E-UTRAN time because of ISR deexcitation, it is possible to rebuild SGs Association, so can successful page to the UE being positioned in E-UTRAN, improve business can By property.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, The accompanying drawing used required in embodiment or description of the prior art will be made one simply below Introduce, it should be apparent that, the accompanying drawing in describing below is some embodiments of the present invention, For those of ordinary skill in the art, on the premise of not paying creative work, Other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the method flow diagram of the embodiment of the present invention one；
Fig. 2 is the method flow diagram of the embodiment of the present invention two；
Fig. 3 is the method flow diagram of the embodiment of the present invention three；
Fig. 4 is the UE structured flowchart of the embodiment of the present invention four.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below will knot Close the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, Be fully described by, it is clear that described embodiment be a part of embodiment of the present invention rather than Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not having The every other embodiment obtained on the premise of making creative work, broadly falls into the present invention and protects The scope protected.
The embodiment of the present invention one:
Fig. 1 is the stream of the embodiment of the method processing ISR under CSFB scene of the present invention Cheng Tu, as it is shown in figure 1, the method includes:
S101. the primary importance district renewal receiving MME transmission accepts message；
It should be noted that it can be that MME sends that the renewal of primary importance district accepts message Associating TAU/LAU accepts message.
S102. the second position district renewal receiving SGSN or MSC transmission accepts message；
Second position district updates and accepts the connection carrying activation instruction that message is SGSN transmission Close RAU/LAU and accept message, or the LAU that MSC sends accepts message.
S103. determine that the SGs that described MME with MSC creates associates to be released, perform Activate ISR operation.
UE determines and activates ISR, updates according to primary importance district and accepts message, determines MME with MSC has created SGs and has associated；Update according to second position district and accept message, Determine that the SGs that MME with MSC creates associates to be released, perform deactivating operation, should Operation can be that interim more new logo TIN is set to P-TMSI.
In the present embodiment, UE updates according to the primary importance district that receives and accepts message and the Two location area updatings accept message, confirm that the SGs created association discharges, then perform to go Activate ISR or maintain the operation of inactive I SR, it is ensured that when UE returns E-URTAN The paging that can re-establish SGs association thus initiate at GERAN/URTAN can successfully be arrived Reach the UE being positioned at E-UTRAN.Improve deployment effect and the service reliability of ISR.
The embodiment of the present invention two:
Under CSFB scene, a kind of handling process that UE side processes ISR operation is as follows:
S201., in E-UTRAN, UE sends associating TAU/LAU flow process to network side；
In this more new technological process, UE first sends associating TAU/LAU to MME and asks message, MME sends renewal location request message and receives this request to MSC, MSC after receiving After message, return renewal location confirmation message to MME.Finally, MME with MSC is UE creates SGs association.
S202.MME sends associating TAU/LAU to UE and accepts message, and UE records SGs Association creates successfully.
It should be noted that UE receives associating TAU/LAU accepts message, determine MME with MSC has built up SGs and associates, and locally executes record SGs association and creates into The operation of merit, this operation includes but not limited to: locally located SGs association status is designated “SGs-Associated”。
S203.UE sends associating RAU/LAU flow process to network side；
It should be noted that UE from E-UTRAN Network Mobility to GERAN/UTRAN, sends associating RAU/LAU to SGSN and asks message, SGSN Send more new position request after receiving and return renewal location confirmation message extremely to MSC, MSC SGSN.MSC with SGSN sets up the SGs that Gs associates and sets up before MSC release Association.
S204.SGSN sends associating RAU/LAU to UE and accepts message, takes in message Band ISR activates instruction.
S205.UE confirms that the SGs created in E-UTRAN association has discharged, then Perform deexcitation ISR or maintain the operation of inactive I SR.
UE have received after associating RAU/LAU accepts message, although has activation ISR to refer to Show, but accept message according to the associating TAU/LAU received and connect with associating RAU/LAU By message, confirm that the SGs created association has discharged, then perform deexcitation ISR or dimension Holding the operation of inactive I SR, this operation includes but not limited to: be set to by TIN " P-TMSI ". If it should be noted that ISR un-activation before, then maintaining the operation of inactive I SR.
In the present embodiment, UE accepts message and associating according to the associating TAU/LAU received RAU/LAU accepts message, confirms that the SGs created association discharges, then performs deexcitation ISR or maintenance inactive I SR operation, it is ensured that can weigh when UE returns E-URTAN The paging newly setting up SGs association thus initiate at GERAN/URTAN can successfully arrive at position UE in E-UTRAN.Improve deployment effect and the reliability of business of ISR.
The embodiment of the present invention three:
S301-S302 is with the S201-S202 of embodiment two；
S303.UE sends single RAU to SGSN and asks message；
Described UE sends RAU when E-UTRAN moves to GERAN/UTRAN please Ask message to SGSN.
S304.SGSN sends RAU to UE and accepts message, carries ISR and swash in this message Live and indicate.
S305.UE sends single LAU flow process to MSC；
In this flow process, UE sends LAU to MSC and asks message.After MSC receives, The SGs created with MME before release associates.
S306.MSC returns LAU and accepts message to UE；
S307.UE confirms to associate at the SGs of E-UTRAN network creation to have discharged, Then deexcitation ISR.
UE have received after RAU accepts message, although has ISR to activate instruction, but Accept message according to the associating TAU/LAU received and LAU accepts message, confirm to create SGs association discharged, then perform deexcitation ISR or maintain inactive I SR operation, This operation includes but not limited to: be set to by TIN " P-TMSI ".It should be noted that If ISR un-activation before, then maintain the operation of inactive I SR.
In the present embodiment, UE accepts message and RAU according to the associating TAU/LAU received And LAU accepts message, confirm that SGs association discharges, then deexcitation ISR, it is ensured that SGs association can be re-established when UE returns E-UTRAN thus The paging that GERAN/UTRAN initiates can successfully arrive at UE.Improve the deployment of ISR Effect and the reliability of business.
The embodiment of the present invention four:
The embodiment of the present invention provides a kind of UE for CSFB scene deactivating ISR, As shown in Figure 4, including:
Receiving unit 401, the primary importance district sent for receiving MME updates acceptance and disappears Cease, and the second position district renewal that SGSN or MSC sends accepts message；
It should be noted that primary importance district updates accepts the associating that message is MME transmission TAU/LAU accepts message.
Second position district updates and accepts the connection carrying activation instruction that message is SGSN transmission Close RAU/LAU and accept message, or the LAU that MSC sends accepts message.
Judging unit 402, for determining that the SGs that described MME with MSC creates associates It is released；
UE determines and activates ISR, according to receiving the primary importance district that unit 401 receives Renewal accepts message, determines that MME with MSC has created SGs and associated；Single according to receiving The second position district that unit 401 receives updates and accepts message, determines that MME Yu MSC creates The SGs association built is released.
Processing unit 403, is used for performing deexcitation ISR operation or maintaining ISR un-activation State operates.
After judging unit 402 judges that the SGs of MME with MSC associates and discharges, place Reason unit 403 performs deexcitation ISR operation or maintains the operation of ISR unactivated state.
UE accepts message according to the primary importance district renewal received and second position district updates and connects By message, confirm that the SGs created association discharges, then perform deexcitation ISR or maintenance Inactive I SR operates, it is ensured that can re-establish SGs when UE returns E-URTAN The paging associated thus initiate at GERAN/URTAN can successfully arrive at UE.Improve The deployment effect of ISR and the reliability of business.
Those skilled in the art is it can be understood that arrive, for the convenience described and letter Clean, the equipment of foregoing description and the specific works process of unit, it is referred to preceding method Corresponding process in embodiment, does not repeats them here.
The present embodiment provide UE, according to the associating TAU/LAU received accept message and RAU and LAU accepts message, confirms that SGs association discharges, then deexcitation ISR, Ensure that when UE return E-UTRAN time can re-establish SGs association thus The paging that GERAN/UTRAN initiates can successfully arrive at UE.Improve the deployment of ISR Effect and the reliability of business.
One of ordinary skill in the art will appreciate that: accompanying drawing is the signal of an embodiment Figure, unit or flow process in accompanying drawing are not necessarily implemented necessary to the present invention.
In several embodiments provided herein, it should be understood that disclosed is System, equipment and method, can realize by another way.Such as, described above Apparatus embodiments be only schematically, such as, the division of described unit, be only A kind of logic function divides, and actual can have other dividing mode when realizing, the most Individual unit or assembly can in conjunction with or be desirably integrated into another system, or some features Can ignore, or not perform.Another point, shown or discussed coupling each other Or direct-coupling or communication connection can be indirect by some interfaces, equipment or unit Coupling or communication connection, can be electrical, machinery or other form.
The described unit illustrated as separating component can be or may not be physically Separate, the parts shown as unit can be or may not be physical location, I.e. may be located at a place, or can also be distributed on multiple NE.Permissible Select some or all of unit therein to realize the present embodiment side according to the actual needs The purpose of case.
It addition, each functional unit in each embodiment of the present invention can be integrated in one In processing unit, it is also possible to be that unit is individually physically present, it is also possible to two or two Individual above unit is integrated in a unit.Above-mentioned integrated unit both can use hardware Form realize, it would however also be possible to employ hardware add SFU software functional unit form realize.
The above-mentioned integrated unit realized with the form of SFU software functional unit, can be stored in In one computer read/write memory medium.Above-mentioned SFU software functional unit is stored in one and deposits In storage media, including some instructions with so that a computer equipment (can be individual Computer, server, or the network equipment etc.) perform described in each embodiment of the present invention The part steps of method.And aforesaid storage medium includes: USB flash disk, portable hard drive, only Read memorizer (Read-Only Memory is called for short ROM), random access memory (Random Access Memory is called for short RAM), magnetic disc or CD etc. are various can To store the medium of program code.
It is last it is noted that above example is only in order to illustrate technical scheme, It is not intended to limit；Although the present invention being described in detail with reference to previous embodiment, It will be understood by those within the art that: it still can be to foregoing embodiments institute The technical scheme recorded is modified, or wherein portion of techniques feature is carried out equivalent replaces Change；And these amendments or replacement, do not make the essence of appropriate technical solution depart from this The spirit and scope of bright each embodiment technical scheme.

Claims (8)

1. Idle state saving signaling ISR process side under a circuit switching fall-back CSFB scene Method, it is characterised in that including:
User equipment (UE) receives the primary importance district of Mobility Management Entity MME transmission more Newly accept message；
Reception Serving GPRS Support Node SGSN or moving exchanging center MSC send Second position district updates and accepts message；
Determine that the SGs that described MME with MSC creates associates to be released, perform deexcitation ISR operates；
Wherein, described UE determines that the SGs that described MME with MSC creates associates and is released Put, perform deexcitation ISR operation, including:
Described UE updates according to described primary importance district and accepts message, determines described MME Create SGs to associate with MSC；Update according to described second position district and accept message, really The SGs that fixed described MME with MSC creates associates and is released, and performs deactivating operation.
Method the most according to claim 1, it is characterised in that described UE receives institute The described primary importance district renewal stating MME transmission accepts message, including:
Described UE receives the associating tracing section updating TAU/ lane place that described MME sends Update LAU and accept message.
Method the most according to claim 1 and 2, it is characterised in that described UE connects The described second position district renewal receiving described SGSN or MSC transmission accepts message, including:
Described UE receives carrying of described SGSN transmission and activates the joint route district of instruction more New RAU/LAU accepts message, or described UE receives the LAU that described MSC sends Accept message.
Method the most according to claim 1, it is characterised in that described UE is according to institute State the renewal of second position district and accept message, determine the SGs that described MME Yu MSC creates Before association is released, also include:
Described UE updates according to primary importance district and accepts message, and labelling SGs association creates.
Method the most according to claim 1, it is characterised in that described UE performs to go Activate ISR operation, including:
Interim more new logo TIN is set to P-TMSI.
6. a user equipment (UE), it is characterised in that including:
Receive unit, for receiving the primary importance district that Mobility Management Entity MME sends Renewal accepts message, and Serving GPRS Support Node SGSN or mobile switching centre The second position district that MSC sends updates and accepts message；
Judging unit, is released for determining that the SGs that described MME with MSC creates associates Put；
Processing unit, is used for performing deexcitation ISR operation；
Wherein, described judging unit determines that the SGs that described MME with MSC creates associates It is released, including:
Described judging unit updates according to described primary importance district and accepts message, determines described MME with MSC has created SGs and has associated；
Update according to described second position district and accept message, determine described MME and MSC The SGs association created is released.
UE the most according to claim 6, it is characterised in that described reception unit connects The primary importance district renewal receiving MME transmission accepts message, including:
Described reception unit receives the associating tracing section updating TAU/ position that described MME sends Put district renewal LAU and accept message.
8. according to the UE described in claim 6 or 7, it is characterised in that receive unit and connect The described second position district renewal receiving described SGSN or MSC transmission accepts message, including:
Receive the joint route district renewal RAU/ carrying activation instruction that described SGSN sends Location area updating LAU accepts message, or receives the location area updating that described MSC sends LAU accepts message.
CN201180002100.2A 2011-10-18 2011-10-18 A kind of method and device of circuit switching fall-back scene deactivating Idle state saving signaling Active CN103348715B (en)

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CN110324823B (en) * 2019-07-04 2022-03-18 中国联合网络通信集团有限公司 CSFB calling method and system
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