CN102056114B - Method and system for realizing position area update - Google Patents
Method and system for realizing position area update Download PDFInfo
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- CN102056114B CN102056114B CN200910237281.1A CN200910237281A CN102056114B CN 102056114 B CN102056114 B CN 102056114B CN 200910237281 A CN200910237281 A CN 200910237281A CN 102056114 B CN102056114 B CN 102056114B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/10—Integrity
- H04W12/106—Packet or message integrity
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/60—Context-dependent security
- H04W12/63—Location-dependent; Proximity-dependent
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/26—Resource reservation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
- H04W36/0033—Control or signalling for completing the hand-off for data sessions of end-to-end connection with transfer of context information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W92/00—Interfaces specially adapted for wireless communication networks
- H04W92/16—Interfaces between hierarchically similar devices
- H04W92/24—Interfaces between hierarchically similar devices between backbone network devices
Abstract
The invention provides a method and a system for realizing position area update. In a process for executing position area update by user equipment, a new mobile management body/service general packet radio service (GPRS) supporting node (MME/SGSN) requests for contexts from an old MME/SGSN; and when failing to execute a safety function for a user, the old MME/SGSN informs the new MME/SGSN of the emergent service information of the user equipment, so that the new MME/SGSN can keep the emergent service after the execution of the safety function for the user fails. When the method provided by the invention is used, in a process in which a user having an emergent service moves to the new MME/SGSN to perform position area update, the new MME/SGSN is informed of the emergent service of the user in the old MME/SGSN, so the user can access in the new MME/SGSN to realize the emergent service even the new MME/SGSN fails to execute the safety function; and thus, after the user equipment is updated in the position area, the emergent service can be performed successfully.
Description
Technical field
The present invention relates to IP Multimedia System (IMS, IP Multimedia Core Network Subsystem) technology, espespecially a kind of method and system that realize band of position renewal.
Background technology
IP Multimedia System (IMS, IP Multimedia Core Network Subsystem) is the core of New Generation of Communication network, and IMS adopts Session initiation Protocol (SIP, Session Initiation Protocol) system.SIP is irrelevant with access, and possess that media business controls that function is separated with carrying, calling is separated with session, application is separated with service, the multi abilities such as business and network detach and mobile network and internet service fusion.
Because IMS is irrelevant with access, so urgency traffic (EMC under IMS, Emergency Call) can build at system Long Term Evolution (SAE, System Architecture Evolution) in network and universal mobile telecommunications system (UMTS, Universal Mobile Telecommunications System).Wherein SAE also can be called the grouping system (EPS, Evolved Packet System) of evolution.
Figure 1 shows that subscriber equipment (UE, User Equipment) access the configuration diagram of the related main network element composition of the urgent call of IMS by UMTS by SAE and travelling carriage (MS, Mobile Station).Wherein, UE and MS do not do special differentiation.The related main network element of urgent call that UE accesses IMS by SAE comprises: the network element of the network element of SAE/UMTS network portion and IMS urgency traffic part.
Wherein, the network element of SAE network portion, for providing bearer management and the mobile management of bottom.The network element of SAE network portion comprises: the wireless base station of enhancing (eNodeB), Mobility Management Entity (MME, Mobility Management Entity) and user face data route processing gateway (SAE GW).
SAE GW comprises packet data network gateway (P-GW, Packet Data Network Gateway) and gateway (S-GW, Serving GW); "Policy and Charging Rules Function (PCRF, Policy andCharging Rules Function) be the essential functional entities of PCC framework, be used for controlling obtaining, assemble and issue etc. of Internet Protocol-connection Access Network (IP-CAN, IP-Connectivity Access Network) strategy and charging regulation.Wherein, IP-CAN can be equipment in EPS and the set of interface.MME is in charge of and stores the context (for example, UE sign/user ID, mobility management states, user security parameters etc.) of UE, is user assignment temporary mark, when UE quarters at tracing area or network, is responsible for UE to carry out authentication.Home subscriber server (HSS, home subscriber server) is for preserving user data.
P-GW is the intrasystem mobile anchor point of SAE, is the borde gateway of SAE and packet data network (PDN, PacketData Network), is responsible for the access of PDN, the function such as forwarding data between SAE and PDN.
Wireless access (UTRAN on global land, Universal Terrestrial Radio Access) and the global system for mobile communications Radio Access Network of enhanced data rates evolution (GERAN, enhanced Data Ratefor Global System for Mobile Communications Evolution Radio Access Network) be the Radio Access Network of UMTS.Service universal grouping wireless serving GPRS support node (SGSN, ERVICEGPRS SUPPORT NODE) and gateway general packet wireless service support node (GGSN) are UMTS server network elements.Wherein, SGSN has MME chain of command function and user plane functions, and GGSN has the gateway function of similar P-GW.
The network element of IMS urgency traffic part, for controlling and process the session of urgent call.Wherein, the network element of IMS urgency traffic part comprises: call session control function module (CSCF, Call Session ControlFunction), CSCF is the core network element of controlling conversation procedure, CSCF comprises proxy call session control function module (P-CSCF, Proxy-CSCF), module with query calling session controlling function (I-CSCF, Interrogating-CSCF), service call conversation control function module (S-CSCF, Serving-CSCF), E-CSCF.Wherein, E-CSCF is the session control center of urgent call, determines which PSAP urgent call should be routed to.
Fig. 2 is that UE is moved, from old MME/SGSN (old MME/SGSN), access new MME/SGSN (new MME/SGSN), the flow chart of executing location area update, here, when moving to new MME, be tracing section updating (TAU, Tracking Area Update), when moving to new SGSN, be Routing Area Update (RAU, Router Area Update).As shown in Figure 2, specifically comprise:
Step 200:UE is to the request of new MME/SGSN launch position area update, this request sends by eNodeB (when sending to MME)/UTRAN or GERAN (when sending to SGSN), in the area update request of position, carry user identity, the temporary identity that this user identity distributes at old MME/SGSN before being.
Step 201: the temporary identity that new MME/SGSN sends according to UE, find the old MME/SGSN accessing before user, to old MME/SGSN, send context request, in context request, carry the band of position update request receiving.
Step 202～step 203: old MME/SGSN carries out safety function to the context request message receiving, such as verifying (integrity checking etc.), when safety function failure (as integrity checking failure), when old MME/SGSN returns to context reply to new MME/SGSN, carry an applicable error reason.
In this step; due to this user's security information not in new MME/SGSN; therefore cannot carry out safety function to user, the integrity protection etc. such as carrying out authenticating user identification and/or authentication of users and send data, needs old MME/SGSN carry out safety function to user.
Step 204～step 205: when new MME/SGSN receives after above-mentioned error reason, initiating user to carry out safety function, can be that user is carried out to authentication.
In this step, when safety function is during to user authentication failure, reason can be that subscriber equipment is made mistakes or HSS and/or MME/SGSN make mistakes etc., new MME/SGSN will send refusal position updating request to subscriber equipment, like this, if user exists urgency traffic under old MME/SGSN, the existing method of upgrading the band of position that realizes will cause user cannot under new MME/SGSN, access and carry out urgency traffic.
From above-mentioned flow process, can find out, when there being the user of urgency traffic to move under new MME/SGSN, carry out in the renewal process of the band of position, because new MME/SGSN does not know that user has urgency traffic in old MME/SGSN, and the execution of safety function in new MME/SGSN or old MME/SGSN, in the prior art, may cause user under new MME/SGSN, to access to realize urgency traffic.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method that the band of position is upgraded that realizes, and can guarantee that subscriber equipment is after the area update of position, successfully carries out urgency traffic.
Another object of the present invention is to provide a kind of system that the band of position is upgraded that realizes, can guarantee that subscriber equipment is after the area update of position, successfully carry out urgency traffic.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of method that realizes band of position renewal, in the process of subscriber equipment executing location area update, when newly Mobility Management Entity/service universal grouping wireless serving GPRS support node MME/SGSN is to old MME/SGSN request contexts, old MME/SGSN carries out safety function failure to user, and the method also comprises:
Described old MME/SGSN exists the information of urgency traffic to notify subscriber equipment to new MME/SGSN;
Described new MME/SGSN retains urgency traffic after user being carried out to safety function failure.
Described old MME/SGSN exists the information of urgency traffic to notify subscriber equipment to new MME/SGSN to comprise:
If the subscriber equipment that described old MME/SGSN detects launch position area update exists urgency traffic, described old MME/SGSN indicates safety failure in context response, and carries urgency traffic bearer context; Simultaneously described old MME/SGSN starts for deactivating the timer of non-emergent business.
Described old MME/SGSN also carries for showing that user exists the non-emergent business indication of non-emergent business in context response.
If described new MME/SGSN carries out safety function success to this user, the method also comprises:
Described new MME/SGSN, according to described non-emergent business indication, asks the context of non-emergent business to old MME/SGSN, continue the follow-up flow process of executing location area update.
Described old MME/SGSN exists the information of urgency traffic to notify subscriber equipment to new MME/SGSN to comprise:
If the subscriber equipment that described old MME/SGSN detects launch position area update exists urgency traffic, described old MME/SGSN indicates safety failure in context response, and carries for showing that user exists the urgency traffic indication of urgency traffic; Simultaneously described old MME/SGSN starts for deactivating the timer of non-emergent business.
Described new MME/SGSN retains urgency traffic and comprises after user being carried out to safety function failure:
Described new MME/SGSN indicates according to the urgency traffic of receiving, to old ME/SGSN request contexts, and unsuccessfully indication safe to carry in request, described old MME/SGSN returns to new MME/SGSN by urgency traffic bearer context; Continue the follow-up flow process of executing location area update.
Described new MME/SGSN retains urgency traffic and comprises after user being carried out to safety function failure:
Described new MME/SGSN is according to the urgency traffic indication of receiving, to old ME/SGSN request contexts, and successfully indication safe to carry in request, described old MME/SGSN returns to new MME/SGSN by urgency traffic bearer context and non-emergent service bearer context, deletes for deactivating the timer of non-emergent business simultaneously; Described new MME/SGSN deactivates non-emergent business, continues the follow-up flow process of executing location area update.
If described new MME/SGSN carries out safety function success to this user, the method also comprises:
Described new MME/SGSN is to old MME/SGSN request contexts, and obtains this user's urgency traffic bearer context and non-emergent service bearer context; Continue the follow-up flow process of executing location area update.
Described old MME/SGSN exists the information of urgency traffic to notify subscriber equipment to new MME/SGSN to comprise:
If the subscriber equipment that described old MME/SGSN detects launch position area update exists urgency traffic, described old MME/SGSN indicates safety failure in context response, and carries bearer context.
Described bearer context comprises the non-emergent service bearer context of urgency traffic bearer context and existence.
Described new MME/SGSN retains urgency traffic and comprises after user being carried out to safety function failure:
Described new MME/SGSN deactivates non-emergent business, continues executing location area update flow process.
If described new MME/SGSN carries out safety function success to this user, the method also comprises: described new MME/SGSN continues executing location area update flow process.
Realize the system that the band of position is upgraded, mainly comprise subscriber equipment, old MME/SGSN, new MME/SGSN, wherein,
Subscriber equipment, for being moved, while accessing new MME/SGSN from old MME/SGSN, to the request of new MME/SGSN launch position area update; Reception is upgraded response from the band of position of new MME/SGSN;
New MME/SGSN, for receiving the band of position update request from subscriber equipment, to old MME/SGSN request contexts; New MME/SGSN receives after the notice from old MME/SGSN, retains this user's urgency traffic after user being carried out to safety function failure, continues the band of position and upgrades and respond to subscriber equipment home position area update;
Old MME/SGSN, for receiving the context request from new MME/SGSN, when user being carried out to safety function failure, exists the information of urgency traffic to notify subscriber equipment to new MME/SGSN.
Described new MME/SGSN also for, after user being carried out to safety function success, from old MME/SGSN, obtain the non-emergent business of described subscriber equipment.
The technical scheme providing from the invention described above can be found out, in the process of subscriber equipment executing location area update, new MME/SGSN is to old MME/SGSN request contexts, when old MME/SGSN carries out safety function failure to user, old MME/SGSN exists the information of urgency traffic to notify subscriber equipment to new MME/SGSN, and new MME/SGSN retains urgency traffic after user being carried out to safety function failure.Pass through the inventive method, when there being the user of urgency traffic to move under new MME/SGSN, carry out in the renewal process of the band of position, because new MME/SGSN has known that user exists urgency traffic in old MME/SGSN, even carry out unsuccessfully in new MME/SGSN safety function, user also can access to realize urgency traffic under new MME/SGSN, guaranteed that subscriber equipment is after the area update of position, successfully carried out urgency traffic.
Accompanying drawing explanation
Fig. 1 is that in prior art, UE/MS accesses the structure composed schematic diagram of the related main network element of the urgent call of IMS by EPS/UMTS;
Fig. 2 is that existing UE is moved, and accesses new MME/SGSN, the flow chart of executing location area update from old MME/SGSN;
Fig. 3 is the flow chart that the present invention realizes the method for upgrading the band of position;
Fig. 4 is the composition structural representation that the present invention realizes the system of upgrading the band of position;
Fig. 5 is the schematic flow sheet that the present invention realizes the first embodiment upgrading the band of position;
Fig. 6 is the schematic flow sheet that the present invention realizes the second embodiment upgrading the band of position;
Fig. 7 is the schematic flow sheet that the present invention realizes the 3rd embodiment upgrading the band of position;
Fig. 8 is the schematic flow sheet that the present invention realizes the 4th embodiment upgrading the band of position;
Fig. 9 is the schematic flow sheet that the present invention realizes the 5th embodiment upgrading the band of position;
Figure 10 is the schematic flow sheet that the present invention realizes the 6th embodiment upgrading the band of position;
Figure 11 is the schematic flow sheet that the present invention realizes the 7th embodiment upgrading the band of position.
Embodiment
Fig. 3 is the flow chart that the present invention realizes the method for upgrading the band of position, as shown in Figure 3, comprising:
Step 300: in the process of subscriber equipment executing location area update, when newly MME/SGSN is to old MME/SGSN request contexts, old MME/SGSN carries out safety function failure to user.
In this step, new MME/SGSN is by context request (context request) to old MME/SGSN request contexts, and specific implementation belongs to those skilled in the art's conventional techniques means, repeats no more here.
Step 301: old MME/SGSN exists the information of urgency traffic to notify subscriber equipment to new MME/SGSN, new MME/SGSN retains urgency traffic after user being carried out to safety function failure.
The realization of this step can have following several method:
Method one: have urgency traffic if old MME/SGSN detects the subscriber equipment of launch position area update, indication safety failure in context response (context response), and carry urgency traffic bearer context, and for showing that user exists the non-emergent business indication of non-emergent business; Simultaneously old MME/SGSN starts for deactivating the timer of non-emergent business;
New MME/SGSN carries out safety function to this user, if success, to old MME/SGSN, ask the context of non-emergent business, continue the follow-up flow process of executing location area update, the urgency traffic of subscriber equipment and non-emergent business can continue to carry out at new MME/SGSN; If unsuccessfully, continue the follow-up flow process of executing location area update, namely at new MME/SGSN, only have the urgency traffic of this subscriber equipment, at this moment by old MME/SGSN, according to timer, deactivate non-emergent business.
Method two: if detecting the subscriber equipment of launch position area update, old MME/SGSN there is urgency traffic, indication safety failure in context response, and for showing that user exists the urgency traffic indication of urgency traffic; Simultaneously old MME/SGSN starts for deactivating the timer of non-emergent business;
New MME/SGSN carries out safety function to this user, if success to old MME/SGSN request contexts, and obtains user's bearer context (the urgency traffic bearer context and the non-emergent service bearer context that comprise user; Continue the follow-up flow process of executing location area update, the urgency traffic of subscriber equipment and non-emergent business can continue to carry out at new MME/SGSN;
If the safety function of new MME/SGSN failure, according to the urgency traffic indication of receiving, to old ME/SGSN request contexts, and unsuccessfully indication safe to carry is (during specific implementation, can be not carry user to have verified indication), now, old MME/SGSN only returns to new MME/SGSN by urgency traffic bearer context; New MME/SGSN continues the follow-up flow process of executing location area update, namely at new MME/SGSN, only has the urgency traffic of this subscriber equipment, at this moment by old MME/SGSN, according to timer, deactivates non-emergent business.
Method three: if detecting the subscriber equipment of launch position area update, old MME/SGSN there is urgency traffic, indication safety failure in context response, and for showing that user exists the urgency traffic indication of urgency traffic; Simultaneously old MME/SGSN starts for deactivating the timer of non-emergent business;
New MME/SGSN carries out safety function to this user, if success to old MME/SGSN request contexts, and obtains user's bearer context (the urgency traffic bearer context and the non-emergent service bearer context that comprise user; Continue the follow-up flow process of executing location area update, the urgency traffic of subscriber equipment and non-emergent business can continue to carry out at new MME/SGSN;
If the safety function of new MME/SGSN failure, according to the urgency traffic indication of receiving, to old MME/SGSN request contexts, and successfully indication (can be that subscriber equipment has been verified indication) safe to carry, now, old MME/SGSN returns to new MME/SGSN by urgency traffic bearer context and non-emergent service bearer context, deletes for deactivating the timer of non-emergent business simultaneously; New MME/SGSN deactivates non-emergent business, only retains user's urgency traffic; New MME/SGSN continues the follow-up flow process of executing location area update, namely at new MME/SGSN, only has the urgency traffic of this subscriber equipment.
Method four: have urgency traffic and non-emergent business if old MME/SGSN detects the subscriber equipment of launch position area update, indication safety failure in context response (context response) (can be a suitable mistake indication of integrity checking failure), and carry urgency traffic bearer context and non-emergent service bearer context;
New MME/SGSN carries out safety function to user, if success continues executing location area update flow process, the urgency traffic of subscriber equipment and non-emergent business can continue to carry out at new MME/SGSN; If failure, new MME/SGSN deactivates non-emergent business, only retains urgency traffic, continues executing location area update flow process.
For the inventive method, a kind of system that the band of position is upgraded that realizes is also provided, Fig. 4 is the composition structural representation that the present invention realizes the system of upgrading the band of position, as shown in Figure 4, mainly comprises subscriber equipment, old MME/SGSN, new MME/SGSN, wherein,
Subscriber equipment, for being moved, while accessing new MME/SGSN from old MME/SGSN, to the request of new MME/SGSN launch position area update; Reception is upgraded response from the band of position of new MME/SGSN.
New MME/SGSN, for receiving the band of position update request from subscriber equipment, to old MME/SGSN request contexts; New MME/SGSN receives after the notice from old MME/SGSN, retains this user's urgency traffic after user being carried out to safety function failure, continues the band of position and upgrades and respond to subscriber equipment home position area update.
Old MME/SGSN, for receiving the context request from new MME/SGSN, when user being carried out to safety function failure, exists the information of urgency traffic to notify subscriber equipment to new MME/SGSN.
Described new MME/SGSN also for, after user being carried out to safety function success, from old MME/SGSN, obtain the non-emergent business of described subscriber equipment.
Below in conjunction with embodiment, the inventive method is described in detail.
Fig. 5 is the schematic flow sheet that the present invention realizes the first embodiment upgrading the band of position, has the subscriber equipment of urgency traffic to move to new MME/SGSN from old MME/SGSN, and the flow process that launch position upgrades, as shown in Figure 5, comprising:
Step 500: subscriber equipment is to the request of new MME/SGSN launch position area update, this request sends by eNodeB (when sending to MME), or this request sends by UTRAN/GERAN (when sending to SGSN), in the area update request of position, carry user identity, the temporary identity that this user identity distributes at old MME/SGSN before being.
Step 501: new MME/SGSN, according to the temporary identity from subscriber equipment, finds the old MME/SGSN accessing before user, sends context request to old MME/SGSN, carries the band of position update request receiving in context request.
Step 502～step 503: old MME/SGSN carries out safety function to the context request message receiving, such as verifying (integrity checking etc.), when safety function failure (as integrity checking failure), old MME/SGSN detects this subscriber equipment and has urgency traffic, when old MME/SGSN returns to context reply to new MME/SGSN, unsuccessfully indication safe to carry in context is replied, and urgency traffic bearer context.Safety unsuccessfully indication can be the integrity checking failure to the location update message of user's transmission, such as a suitable improper value.Old MME/SGSN starts a timer after sending context reply, and old MME/SGSN will, at this timer expiry, deactivate the non-emergent business of this subscriber equipment.
Step 504～step 505: new MME/SGSN carries out safety function to this user, if failure, the follow-up flow process of continuation executing location area update, sends and accepts position updating request to subscriber equipment, this subscriber equipment only has urgency traffic at new MME/SGSN.
Fig. 6 is the schematic flow sheet that the present invention realizes the second embodiment upgrading the band of position, has the subscriber equipment of urgency traffic to move to new MME/SGSN from old MME/SGSN, and the flow process that launch position upgrades, as shown in Figure 6, comprises the following steps:
Step 600～step 601 is in full accord with step 500～step 501, repeats no more here.
Step 602～step 603: old MME/SGSN carries out safety function to the context request message receiving, such as verifying (integrity checking etc.), when safety function failure (as integrity checking failure), old MME/SGSN detects this subscriber equipment and has urgency traffic, when old MME/SGSN returns to context reply to new MME/SGSN, unsuccessfully indication safe to carry in context is replied, and urgency traffic bearer context and the indication of non-emergent business.Safety unsuccessfully indication can be the integrity checking failure to the location update message of user's transmission, such as a suitable improper value.Old MME/SGSN starts a timer after sending context reply, and old MME/SGSN will, at this timer expiry, deactivate the non-emergent business of this subscriber equipment.
Step 604～step 605: new MME/SGSN carries out safety function to this user, when safety function runs succeeded, sends context request to old MME/SGSN, wherein carries this subscriber equipment and has verified indication.
Step 606: old MME/SGSN sends context to new MME/SGSN and replys, and wherein carries user's bearer context, comprises user's non-emergent service bearer context.Meanwhile, the timer arranging in old MME/SGSN delete step 602～step 603.
Step 607: new MME/SGSN sends and accepts position updating request to UE, user's urgency traffic and non-emergent business can continue to carry out at new MME/SGSN.
Fig. 7 is the schematic flow sheet that the present invention realizes the 3rd embodiment upgrading the band of position, has the subscriber equipment of urgency traffic to move to new MME/SGSN from old MME/SGSN, and the flow process that launch position upgrades, as shown in Figure 7, comprises the following steps:
Step 700～step 701 is in full accord with step 500～step 501, repeats no more here.
Step 702～step 703: old MME/SGSN carries out safety function to the context request message receiving, such as verifying (integrity checking etc.), when safety function failure (as integrity checking failure), old MME/SGSN detects this subscriber equipment and has urgency traffic, when old MME/SGSN returns to context reply to new MME/SGSN, unsuccessfully indication safe to carry in context is replied, and urgency traffic indication.Safety unsuccessfully indication can be the integrity checking failure to the location update message of user's transmission, such as a suitable improper value.Old MME/SGSN starts a timer after sending context reply, and old MME/SGSN will, at this timer expiry, deactivate the non-emergent business of this subscriber equipment.
Step 704～step 705: new MME/SGSN carries out safety function to this user, if failure has urgency traffic indication according to this user who receives, sends context request to old MME/SGSN, unsuccessfully indication safe to carry in context request is heavy.During specific implementation, can be not carry user to have verified indication, not that is to say if carry user in context request and verified indication, mean this user is carried out to safety function failure, or new MME/SGSN can directly carry a safety and unsuccessfully indicates in context request.
Step 706: old MME/SGSN sends context to new MME/SGSN and replys, and wherein carries user's urgency traffic bearer context.
Step 707: new MME/SGSN sends and accepts position updating request to subscriber equipment, this subscriber equipment only has urgency traffic at new MME/SGSN.
Fig. 8 is the schematic flow sheet that the present invention realizes the 4th embodiment upgrading the band of position, has the subscriber equipment of urgency traffic to move to new MME/SGSN from old MME/SGSN, and the flow process that launch position upgrades, as shown in Figure 8, comprises the following steps:
Step 800～step 801 is in full accord with step 500～step 501, repeats no more here.
Step 802～step 803: old MME/SGSN carries out safety function to the context request message receiving, such as verifying (integrity checking etc.), when safety function failure (as integrity checking failure), old MME/SGSN detects this subscriber equipment and has urgency traffic, when old MME/SGSN returns to context reply to new MME/SGSN, unsuccessfully indication safe to carry in context is replied, and urgency traffic indication.Safety unsuccessfully indication can be the integrity checking failure to the location update message of user's transmission, such as a suitable improper value.Old MME/SGSN starts a timer after sending context reply, and old MME/SGSN will, at this timer expiry, deactivate the non-emergent business of this subscriber equipment.
Step 804～step 805: new MME/SGSN carries out safety function to this user, if success has urgency traffic indication according to this user who receives, sends context request to old MME/SGSN, carries user and verified indication in context request.
Step 806: old MME/SGSN sends context to new MME/SGSN and replys, and wherein carries user's bearer context, comprises urgency traffic bearer context, when user also has non-emergent business, also carries non-emergent service bearer context.
Step 807: new MME/SGSN sends and accepts position updating request to subscriber equipment, and the load bearing migration of this subscriber equipment in former MME/SGSN is to new MME/SGSN.
Fig. 9 is the schematic flow sheet that the present invention realizes the 5th embodiment upgrading the band of position, has the subscriber equipment of urgency traffic to move to new MME/SGSN from old MME/SGSN, and the flow process that launch position upgrades, as shown in Figure 9, comprises the following steps:
Step 900～step 901 is in full accord with step 500～step 501, repeats no more here.
Step 902～step 903: old MME/SGSN carries out safety function to the context request message receiving, such as verifying (integrity checking etc.), when safety function failure (as integrity checking failure), old MME/SGSN detects this subscriber equipment and has urgency traffic, when old MME/SGSN returns to context reply to new MME/SGSN, unsuccessfully indication safe to carry in context is replied, and urgency traffic indication.Safety unsuccessfully indication can be the integrity checking failure to the location update message of user's transmission, such as a suitable improper value.Old MME/SGSN starts a timer after sending context reply, and old MME/SGSN will, at this timer expiry, deactivate the non-emergent business of this subscriber equipment.
Step 904～step 905: new MME/SGSN carries out safety function to this user, if failure, has urgency traffic indication according to this user who receives, to old MME/SGSN, send context request, successfully indication safe to carry in context request, such as can be that user has verified indication.
Step 906: old MME/SGSN sends context to new MME/SGSN and replys, and wherein carries user's bearer context, comprises urgency traffic bearer context and the non-emergent service bearer context that may exist; The timer arranging in old MME/SGSN delete step 902～step 903.
Step 907: new MME/SGSN sends and accepts position updating request to subscriber equipment, with the non-emergent business of stylish MME/SGSN deactivation UE.This subscriber equipment only has urgency traffic at new MME/SGSN.
Figure 10 is the schematic flow sheet that the present invention realizes the 6th embodiment upgrading the band of position, has the subscriber equipment of urgency traffic to move to new MME/SGSN from old MME/SGSN, and the flow process that launch position upgrades, as shown in figure 10, comprises the following steps:
Step 1000～step 1001 is in full accord with step 500～step 501, repeats no more here.
Step 1002～step 1003: old MME/SGSN carries out safety function to the context request message receiving, such as verifying (integrity checking etc.), when safety function failure (as integrity checking failure), old MME/SGSN detects this subscriber equipment and has urgency traffic, when old MME/SGSN returns to context reply to new MME/SGSN, unsuccessfully indication safe to carry in context is replied, and the non-emergent service bearer context of urgency traffic bearer context and existence.Safety unsuccessfully indication can be the integrity checking failure to the location update message of user's transmission, such as a suitable improper value.
Step 1004～step 1005: new MME/SGSN carries out safety function to this user, if failure, only retains urgency traffic, with stylish MME/SGSN, initiate deactivation user's non-emergent business, to subscriber equipment, send and accept position updating request, completing place is new technological process more.
Figure 11 is the schematic flow sheet that the present invention realizes the 7th embodiment upgrading the band of position, has the UE of urgency traffic to move to new MME/SGSN from old MME/SGSN, and the flow process that launch position upgrades, as shown in Figure 9, comprises the following steps:
Step 1100～step 1101 is in full accord with step 500～step 501, repeats no more here.
Step 1102～step 1103: old MME/SGSN carries out safety function to the context request message receiving, such as verifying (integrity checking etc.), when safety function failure (as integrity checking failure), old MME/SGSN detects this subscriber equipment and has urgency traffic, when old MME/SGSN returns to context reply to new MME/SGSN, unsuccessfully indication safe to carry in context is replied, and the non-emergent service bearer context of urgency traffic bearer context and existence.Safety unsuccessfully indication can be the integrity checking failure to the location update message of user's transmission, such as a suitable improper value.
Step 1104～step 1105: new MME/SGSN carries out safety function to this user, if success sends and accepts position updating request to subscriber equipment, completing place is new technological process more, the load bearing migration of this subscriber equipment in old MME/SGSN is to new MME/SGSN.
The above, be only preferred embodiment of the present invention, is not intended to limit protection scope of the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., within all should being included in protection scope of the present invention.
Claims (6)
1. realize the method that the band of position is upgraded for one kind, in the process of subscriber equipment executing location area update, when newly Mobility Management Entity/service universal grouping wireless serving GPRS support node MME/SGSN is to old MME/SGSN request contexts, old MME/SGSN carries out safety function failure to user, it is characterized in that, the method also comprises:
Described old MME/SGSN exists the information of urgency traffic to notify subscriber equipment to new MME/SGSN;
Described new MME/SGSN retains urgency traffic after user being carried out to safety function failure;
Described old MME/SGSN exists the information of urgency traffic to notify subscriber equipment to new MME/SGSN to comprise:
When the subscriber equipment that launch position area update detected as described old MME/SGSN exists urgency traffic, described old MME/SGSN indicates safety failure in context response, and carries for showing that user exists the urgency traffic indication of urgency traffic;
Described new MME/SGSN retains urgency traffic and comprises after user being carried out to safety function failure:
Described new MME/SGSN is according to the urgency traffic indication of receiving, to old ME/SGSN request contexts, and unsuccessfully indication safe to carry in request, described old MME/SGSN returns to new MME/SGSN by urgency traffic bearer context and non-emergent service bearer context; Described new MME/SGSN deactivates non-emergent business, continues the follow-up flow process of executing location area update.
2. method according to claim 1, is characterized in that, described old MME/SGSN exists the information of urgency traffic to notify subscriber equipment to new MME/SGSN, also comprises:
Described old MME/SGSN starts for deactivating the timer of non-emergent business.
3. method according to claim 2, is characterized in that, described new MME/SGSN, after user being carried out to safety function failure, deletes for deactivating the timer of non-emergent business.
4. according to the method described in claim 1,2 or 3, it is characterized in that, when described new MME/SGSN carries out safety function success to this user, the method also comprises:
Described new MME/SGSN is to old MME/SGSN request contexts, and obtains this user's urgency traffic bearer context and non-emergent service bearer context; Continue the follow-up flow process of executing location area update.
5. realize the system that the band of position is upgraded, it is characterized in that, mainly comprise subscriber equipment, old MME/SGSN, new MME/SGSN, wherein,
Subscriber equipment, for being moved, while accessing new MME/SGSN from old MME/SGSN, to the request of new MME/SGSN launch position area update; Reception is upgraded response from the band of position of new MME/SGSN;
New MME/SGSN, for receiving the band of position update request from subscriber equipment, to old MME/SGSN request contexts; New MME/SGSN receives after the notice from old MME/SGSN, retains this user's urgency traffic after user being carried out to safety function failure, continues the band of position and upgrades and respond to subscriber equipment home position area update;
Described new MME/SGSN retains urgency traffic and comprises after user being carried out to safety function failure:
Described new MME/SGSN is according to the urgency traffic indication of receiving, to old ME/SGSN request contexts, and unsuccessfully indication safe to carry in request, described old MME/SGSN returns to new MME/SGSN by urgency traffic bearer context and non-emergent service bearer context, deletes for deactivating the timer of non-emergent business simultaneously; Described new MME/SGSN deactivates non-emergent business, continues the follow-up flow process of executing location area update; Old MME/SGSN, for receiving the context request from new MME/SGSN, when user being carried out to safety function failure, exists the information of urgency traffic to notify subscriber equipment to new MME/SGSN;
Described old MME/SGSN exists the information of urgency traffic to notify subscriber equipment to new MME/SGSN to comprise:
When the subscriber equipment that launch position area update detected as described old MME/SGSN exists urgency traffic, described old MME/SGSN indicates safety failure in context response, and carries for showing that user exists the urgency traffic indication of urgency traffic.
6. system according to claim 5, is characterized in that, described new MME/SGSN also for, after user being carried out to safety function success, from old MME/SGSN, obtain the non-emergent business of described subscriber equipment.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910237281.1A CN102056114B (en) | 2009-11-09 | 2009-11-09 | Method and system for realizing position area update |
| PCT/CN2010/078212 WO2011054270A1 (en) | 2009-11-09 | 2010-10-28 | Method for realizing location zone update and system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN200910237281.1A CN102056114B (en) | 2009-11-09 | 2009-11-09 | Method and system for realizing position area update |
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| CN102056114A CN102056114A (en) | 2011-05-11 |
| CN102056114B true CN102056114B (en) | 2014-02-05 |
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| CN200910237281.1A Expired - Fee Related CN102056114B (en) | 2009-11-09 | 2009-11-09 | Method and system for realizing position area update |
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| WO (1) | WO2011054270A1 (en) |
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| CN112312380B (en) * | 2019-07-29 | 2022-04-01 | 大唐移动通信设备有限公司 | Position context management method and network side equipment |
| CN113225723B (en) * | 2021-04-02 | 2023-03-17 | 上海微波技术研究所（中国电子科技集团公司第五十研究所） | Method, system and medium for accelerating establishment of emergency service of 5G terminal |
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|---|---|---|---|---|
| CN1343427A (en) * | 1999-03-09 | 2002-04-03 | 诺基亚网络有限公司 | Method for reserving call in special region |
| CN101335993A (en) * | 2007-06-25 | 2008-12-31 | 华为技术有限公司 | Access processing method, apparatus and user equipment |
| CN101557573A (en) * | 2008-04-07 | 2009-10-14 | 大唐移动通信设备有限公司 | Emergency service information obtaining method and communication equipment |
| CN101557589A (en) * | 2009-05-04 | 2009-10-14 | 中兴通讯股份有限公司 | Method for preventing empty integrity protection algorithm from being used in normal communication and system thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101123822B (en) * | 2007-08-01 | 2010-07-14 | 中兴通讯股份有限公司 | Implementation method for emergent call service in IP multimedia subsystem central service |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1343427A (en) * | 1999-03-09 | 2002-04-03 | 诺基亚网络有限公司 | Method for reserving call in special region |
| CN101335993A (en) * | 2007-06-25 | 2008-12-31 | 华为技术有限公司 | Access processing method, apparatus and user equipment |
| CN101557573A (en) * | 2008-04-07 | 2009-10-14 | 大唐移动通信设备有限公司 | Emergency service information obtaining method and communication equipment |
| CN101557589A (en) * | 2009-05-04 | 2009-10-14 | 中兴通讯股份有限公司 | Method for preventing empty integrity protection algorithm from being used in normal communication and system thereof |
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| WO2011054270A1 (en) | 2011-05-12 |
| CN102056114A (en) | 2011-05-11 |
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