CN101222768B - Method for user's set acquiring access point name, grouping domain system - Google Patents
Method for user's set acquiring access point name, grouping domain system Download PDFInfo
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Abstract
The invention discloses a grouping domain system and a means by which user equipment obtains an access point name, which comprises that after a mobility management entity obtains the information of APN (access point name) subscribed by UE (user equipment) from a subscribed data storing entity; the mobility management entity sends the APN information subscribed by the US to the UE. With the invention, the UE is allowed to obtain the names of all access points that can be accessed by UE in the subscribed data when the UE is attached to procedures, which solves the problem that the service establishment fails because the APN used by the UE does not match the APN in the subscribed data and other problems, improves the experience of the user and enhances the success rate of service establishment.
Description
Technical field
The present invention relates to communication technical field, relate in particular to method and grouping domain system that a kind of UE (subscriber equipment) obtains APN (APN).
Background technology
Typical cellular system is the grouping domain system (Evolved PacketSystem abbreviates EPS as) of evolution as shown in Figure 1.Whole EPS system is divided into wireless system (E-UTRAN) and core net (Evovled Packet Core is called for short EPC) two parts.The EPC of this system supports the user from GERAN (GSM EDGE Radio Access Network simultaneously; The enhanced data rate for global evolution Radio Access Network of GSM) and UTRAN (Universal Terrestrial Radio Access Network, universal terrestrial access network) insert.
In core net; Comprised home subscriber data server (Home Subscriber Server; Abbreviate HSS as), mobility management unit (Mobility Management Entity abbreviates MME as), gateway (Serving Gateway abbreviates S-GW as) and grouped data network gateway (PDNGateway; Be called for short P-GW), wherein:
Home subscriber data server (HSS): be the permanent storage place of user contracting data, be positioned at the home network that the user contracts;
Mobility management unit (MME): be the storage place of user contracting data in current network; Be responsible for Non-Access Stratum (Non-Access Stratum the is called for short NAS) signaling management of terminal to network, tracking and paging management function and the bearer management under user's idle pulley;
Serving GPRS support node (SGSN): be depositing a little of GERAN and the UTRAN user subscription data that inserts the EPC network, functions such as similar with MME on the function, the position of being responsible for the user is upgraded, paging management and bearer management;
Gateway (S-GW): be the gateway that core net arrives wireless system, be responsible for function, legal eavesdropping and grouped data route and forwarding capability that service request is initiated to user plane bearer, the metadata cache under the idle pulley of terminal, the network side of core net in the terminal;
Grouped data network gateway (P-GW): be the grouping domain system (EPS) of evolution and the gateway of this system's external network, functions such as the IP address assignment at responsible terminal, billing function, packet package filtration, application of policies.
The user is as shown in Figure 2 through the attaching process that E-UTRAN inserts EPC.In attaching process, MME is mutual through S6a interface and HSS's, obtains user's subscription data, comprising the signatory APN list information of UE.MME is simultaneously in attaching process, according to the default bearing of the default APN default PDN (Packet Data Network, packet data network) for the user is established in the signatory APN tabulation.After adhering to successfully, the user just can be in the transmission of the enterprising industry affair of default bearing data.
The user also can initiate to be established to the process that another one PDN (Packet Data Network, packet data network) connects separately, and is as shown in Figure 3.In this process, in the PDN connection request, comprise UE and hope that the APN information that inserts, MME receives that this message through the APN information that the APN information of carrying in the UE comparison of request and user contract, judges whether UE can be connected among the corresponding PDN.After the connection procedure success, the user can carry out the transmission of business datum.
In above-mentioned prior art, the problem of existence is if that when request is established to the carrying of PDN, if the APN that is provided is not in the APN that is contracted tabulates, then MME then can refuse this request.So current professional obviously ending in failure alternately.With the business experience that influences the user.
The user is as shown in Figure 4 through the attaching process that UTRAN inserts EPC.UE initiates attach request at UTRAN to SGSN, and SGSN receives attach request, and UE is verified and authentication; Initiate renewal/insertion request of data in position through Gr interface to HSS then; HSS is inserted into this SGSN with the subscription data of this UE, and comprising all APN tabulations that UE contracted, SGSN verifies in the inside, route district UE according to subscription data; Send then to adhere to and accept message to UE, comprising the parameters (not comprising APN information) such as temporary sign P-TMSI of UE.
After adhering to successfully, SGSN tabulates comprising signatory APN from the subscription data that HSS has obtained the user.But the connection that this moment, the user did not arrive PDN can not be carried out the transmission of business datum, must carry out PDP (Packet Data Protocol, packet data protocol) context active flow, is established to the connection of PDN, could service data transmission.
The PDP context activation flow process, as shown in Figure 5.To carry PDP type, pdp address, APN and QoS parameters such as (Quality of Service, service quality) in the request, wherein APN is optional.If UE is not with APN information, SGSN selects acquiescence APN according to configuration information so.MME carries out the parsing of PDN GW address according to APN, thereby accomplishes activation, is established to the carrying of PDN.Afterwards, the user can be carried the transmission of enterprising industry affair data at this.
In above-mentioned prior art, the problem of existence is, the acquiescence APN that SGSN selects may not be that the user hopes the APN that inserts; If when the subscription data that the APN of UE request and SGSN preserve did not match, SGSN also can refuse this request, causes this professional failure, with the business experience that influences the user.
Summary of the invention
Technical problem to be solved by this invention provides a kind of method and grouping domain system of user's set acquiring access point name; Let UE in attachment flow, obtain all APNs that UE can insert in the subscription data; Solve UE in the prior art because in the APN that uses and the subscription data do not match and to the problems such as business foundation failure that cause; Improved user experience, and service building success rate has been had certain lifting.
In order to address the above problem, the invention provides a kind of method of user's set acquiring access point name, may further comprise the steps:
Mobility Management Entity obtains the signatory APN APN information of user equipment (UE) from the subscription data storage entity;
The Mobility Management Entity APN information that said UE is signatory sends to this UE.
Further; Said method also can comprise; Said Mobility Management Entity obtains the signatory APN information of UE from the subscription data storage entity in one or several flow process of following flow process, comprising: the subscription data storage entity is being adhered to or subscription data is inserted to Mobility Management Entity when upgrading in the position; Perhaps the subscription data storage entity sends to Mobility Management Entity immediately after subscription data changes.
Further; Said method can comprise that also the said Mobility Management Entity APN information that said UE is signatory sends among this UE, and Mobility Management Entity is provided with a flag bit; Whether the subscription data of the APN that sign UE is signatory changes; If change, then the APN tabulation is handed down to UE, otherwise UE is not issued in the APN tabulation.
Further, said method also can comprise, after the Mobility Management Entity APN information that described UE is signatory sends to this UE, removes the flag bit that said Mobility Management Entity is provided with.
Further, said method also can comprise, after described APN information sends to said UE, when UE is established to the connection of a new packet data network PDN, at APN of the APN of said acquisition information selected.
Further, said method can comprise that also said UE is established to the connection of a new PDN, realizes through initiating PDN connection request or packet data protocol (PDP) activating request.
Further, said method also can comprise, said UE is established to the connection of a new PDN through PDP context activating, and selected APN is the default APN in the APN information.
Further, said method can comprise that also said Mobility Management Entity sends to UE with the APN information of UE in one or several flow process of following flow process, comprises attaching process or position updating process.
Further, said method can comprise that also the signatory APN information of said UE comprises an APN, and perhaps APN tabulation is comprising a default APN.
The present invention also provides a kind of grouping domain system, comprises Mobility Management Entity, subscription data storage entity, wherein,
The subscription data storage entity is used to store the signatory APN information of UE, and sends to Mobility Management Entity;
Mobility Management Entity is used for obtaining the signatory APN information of UE from the subscription data storage entity, and the APN information of said UE is sent to this UE.
Further; Said system also can comprise; Said Mobility Management Entity obtains the signatory APN information of UE from the subscription data storage entity in one or several flow process of following flow process, comprising: the subscription data storage entity is being adhered to or subscription data is inserted to Mobility Management Entity when upgrading in the position; Perhaps the subscription data storage entity sends to Mobility Management Entity immediately after subscription data changes.
Further, said system can comprise that also said Mobility Management Entity also is used to be provided with a flag bit, and whether the subscription data of the APN of sign UE changes, if change, then the APN tabulation is handed down to UE, otherwise UE is not issued in the APN tabulation.
Further, said system also can comprise, after Mobility Management Entity also is used for the APN information that said UE is signatory and sends to this UE, removes the flag bit that said Mobility Management Entity is provided with.
Further, said system also can comprise, said Mobility Management Entity also is used in one or several flow process of following flow process the APN information of UE being sent to UE, comprises attaching process or position updating process.
Further, said system can comprise that also the signatory APN information of UE of said subscription data storage entity storage comprises an APN, and perhaps APN tabulation is comprising a default APN.
Compared with prior art; Use the present invention; Let UE in attachment flow, obtain all APNs that UE can insert in the subscription data; Solve UE in the prior art because not matching and, improved user experience, and service building success rate is had certain lifting in the APN that uses and the subscription data to the problems such as business foundation failure that cause.
Description of drawings
Fig. 1 is the network architecture sketch map of EPS;
Fig. 2 is UE is attached to EPC through E-UTRAN a schematic flow sheet;
Fig. 3 is that UE passes through the schematic flow sheet that E-UTRAN asks newly-built PDN to connect;
Fig. 4 is UE is attached to EPC through UTRAN/GERAN a schematic flow sheet;
Fig. 5 is the schematic flow sheet of UE PDP context activating;
Fig. 6 is the flow chart that UE of the present invention obtains the method for APN;
Fig. 7 is that UE inserts the sketch map that EPC obtains APN through E-UTRAN;
Fig. 8 is that UE inserts the sketch map that EPC obtains APN through UTRAN;
Fig. 9 is when signatory APN changes among the HSS, the sketch map of the APN how UE obtains to upgrade;
Figure 10 is the structural representation of a kind of grouping domain system of the present invention.
Embodiment
To combine accompanying drawing and embodiment that technical scheme of the present invention is explained in more detail below.
For better business experience is provided, embody user's wish, reduce unnecessary service interaction failure simultaneously; The present invention provides a solution; The core net mobile management entity all brings UE with all APN tabulations that the user contracts, and UE can be in signatory APN tabulation in activating service or newly-built PDN connection like this; Select an APN to bring core net, thereby reduce the not signatory service fail that causes of the APN that provides owing to UE.
As shown in Figure 6, UE of the present invention obtains the method for APN, may further comprise the steps:
Mobility Management Entity can but be not limited in one or several flow process of following flow process to obtain the signatory APN information of UE from the subscription data storage entity: the subscription data storage entity is being adhered to or the position is upgraded to Mobility Management Entity and inserted subscription data; Perhaps the subscription data storage entity sends to Mobility Management Entity immediately after subscription data changes.
The signatory APN information of UE possibly comprise an APN, also possibly be an APN tabulation, comprising a default APN.
Said subscription data storage entity comprises home subscriber data server HSS.
Mobility Management Entity can but be not limited in the arbitrary procedure of following flow process the APN information of UE is sent to UE: attaching process or position updating process.
Mobility Management Entity can be provided with a flag bit, and whether the APN subscription data that is used to identify UE changes, if change then signatory APN tabulation is handed down to UE, otherwise need UE not be issued in the APN tabulation.(annotate: growing out of nothing, also is a kind of variation)
After the Mobility Management Entity APN information that UE is signatory sends to this UE, remove the flag bit that is used to identify the signatory APN information change of UE.
If UE inserts the EPS network through UTRAN/GERAN, then said Mobility Management Entity is SGSN.
If UE inserts the EPS network through E-UTRAN, then said Mobility Management Entity is MME.
After described signatory APN list information sent to said UE, UE selected an APN from this APN tabulation when needs are established to the connection of a new PDN, insert PDN and connect the request of foundation or PDP context activation request, mails to core net.
Fig. 7 is that UE inserts the sketch map that EPC obtains APN or APN tabulation through E-UTRAN, and the process of adhering at EPS first with UE here is an example.Concrete steps are following,
701.UE the initiation attach request is wherein carried the IMSI of UE, perhaps P-IMSI, and information such as PDN address assignment, wherein whether PDN address assignment information is used to identify UE and hopes to obtain the IP address through attachment flow;
702.eNodeB (Node B) selected a MME, and through the S1-MME control messages attach request is transmitted to this MME, wherein comprises MME sign and E-UTRAN area identification;
703.MME carry out the AKA authentication, and set up the safety connection of a NAS, possibly relate to authentication in the authentication process to user IMEI, also need MME and EIR to carry out alternately this moment;
704.MME send position renewal/insertion request to HSS, wherein carry the sign of MME and user's IMSI;
705.HSS insert user's subscription data to MME, comprising the user contract APN or APN tabulation, and the qos parameter corresponding with APN; Comprise default APN in the APN tabulation.
706.MME the subscription data to the user carries out validity check, success back MME returns to HSS and inserts the data success response;
707.HSS respond to MME home position renewal/insertion successful request;
708.MME according to the carrying that UE sets up an acquiescence that is signed up as of UE, S-GW can be all downlink datas of UE buffer memory after this process;
709.MME adhere to reception message to the UE transmission, wherein carry the EPS bearing identification, information such as signatory APN that inserts of UE or APN tabulation, session management configuration parameter through eNodeB;
710.UE after receiving this request, preserve this APN or APN tabulation in this locality, to return to MME through eNodeB afterwards and adhere to completion message, this moment, UE can send upstream data to network.
711.MME require S-GW that default bearing is upgraded, S-GW can send to UE with the downlink data of local cache after accomplishing and upgrading.
Follow-up UE wants to insert a new PDN, selects proper A PN in APN that can be as required exists in this locality or the APN tabulation, in newly-built PDN connection request, brings MME.
Fig. 8 is that UE inserts the sketch map that EPC obtains acquiescence APN through UTRAN/GERAN, and the process of adhering at EPC through UTRAN/GERAN first with UE here is an example.
Specifically may further comprise the steps,
801.UE the initiation attach request is wherein carried the IMSI of UE, perhaps P-TMSI, information such as type of attachment;
802.SGSN together UE is carried out secure authentication with HSS, and sets up a security signaling connection;
803. attachment flow also possibly relate to the authentication to user IMEI, needs this moment SGSN and EIR to carry out alternately;
804.SGSN send position renewal/insertion request to HSS, wherein carry the sign of SGSN and user's IMSI;
805.HSS insert user's subscription data to SGSN, comprising the APN tabulation that allows the user to insert, and the qos parameter corresponding with APN; Comprise default APN in the APN tabulation.
806.SGSN the subscription data to the user carries out validity check, success back SGSN returns to HSS and inserts the data success response;
807.HSS respond to SGSN home position renewal/insertion successful request;
808.SGSN adhere to reception message, wherein carry P-TMSI, information such as signatory APN of UE or APN tabulation to the UE transmission;
If 809. P-TMSI redistributes, UE replys to SGSN and adheres to completion message so.
Follow-up UE wants to be created to the PDP Context of a PDN, selects proper A PN in APN that can be as required exists in this locality or the APN tabulation, activates in the request at PDP and brings SGSN.Preferably, selected APN is the default APN in the APN tabulation.
Fig. 9 is when signatory APN changes among the HSS, the sketch map of the APN how UE obtains to upgrade.
If the APN relevant information in the subscription data of HSS changes; HSS can use independent insertion user data process so; Perhaps the insertion user data process in the position updating process is upgraded current the be MME of this UE service or the subscription data of SGSN immediately.SGSN or MME need send to UE with the APN information of upgrading.
Specifically may further comprise the steps:
901.HSS send request to MME or SGSN, insert user data;
902.MME perhaps SGSN receives request, preserves new subscription data in this locality, and returns the success response of insertion user data to HSS;
For this UE is provided with a flag bit, whether the APN CAMEL-Subscription-Information that is used to identify certain UE changes among SGSN or the MME.Here the implication that changes includes but not limited to: APN CAMEL-Subscription-Information in the data that HSS inserts and the APN information inconsistency of preserving before; SGSN or MME do not have the signatory APN relevant information of UE, the subscription data that HSS inserts to SGSN or MME for the first time;
903.UE initiation position updating request;
904.MME or SGSN and HSS, the network element that possibly also relate to according to the difference of UE access network has S-GW and P-GW, perhaps the related procedure upgraded of the common completing place of GGSN;
905.MME or the whether set of the local APN CAMEL-Subscription-Information change flag position of preserving of SGSN inspection, if set is then upgraded APN or the APN tabulation that the user that accepts to comprise in the message renewal contracts to the position that UE returns;
906.UE upgrade completion message to new MME or SGSN home position.
Accept the relevant information that message has comprised APN if the position of returning in the step 905 is upgraded, then MME or SGSN receive position that UE returns upgrade accomplish message after, need be with APN CAMEL-Subscription-Information change flag bit clear.
Shown in figure 10, a kind of grouping domain system comprises Mobility Management Entity, subscription data storage entity, wherein,
The subscription data storage entity is used to store the signatory APN information of UE, and sends to Mobility Management Entity; The subscription data storage entity send APN information give Mobility Management Entity can but be not limited to be meant: the subscription data storage entity is being adhered to or subscription data is inserted to Mobility Management Entity when upgrading in the position in flow process; Perhaps the subscription data storage entity sends to Mobility Management Entity immediately after subscription data changes;
Mobility Management Entity is used for obtaining the signatory APN information of UE from the subscription data storage entity, and the APN information of said UE is sent to this UE.
The present invention is an example with the UMTS and the EPS framework of 3GPP definition; But be equally applicable to the similar framework of tissue such as 3GPP2 definition; And the notion of APN can be generalized to the network identity of access; The situation of the network identity that can't be normally obtains to insert from network side for UE is suitable equally, and the user experience under these situation is had certain improvement, perhaps service building success rate is had certain lifting.
Use the present invention; Let UE in attachment flow, obtain all APNs that UE can insert in the subscription data; Solve UE in the prior art because in the APN that uses and the subscription data do not match and to the problems such as business foundation failure that cause; Improved user experience, and service building success rate has been had certain lifting.
The above; Be merely the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly is familiar with this technological people in the technical scope that the present invention disclosed; The variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (11)
1. the method for a user's set acquiring access point name may further comprise the steps:
Mobility Management Entity obtains the signatory APN APN information of user equipment (UE) from the subscription data storage entity; The signatory APN information of said UE comprises an APN, and perhaps APN tabulation is comprising a default APN;
The Mobility Management Entity APN information that said UE is signatory sends to this UE; Said Mobility Management Entity sends to UE with the APN information of UE in one or several flow process of following flow process, comprise attaching process or position updating process.
2. the method for claim 1 is characterized in that,
Said Mobility Management Entity obtains the signatory APN information of UE from the subscription data storage entity in one or several flow process of following flow process, comprising: the subscription data storage entity is being adhered to or subscription data is inserted to Mobility Management Entity when upgrading in the position; Perhaps the subscription data storage entity sends to Mobility Management Entity immediately after subscription data changes.
3. according to claim 1 or claim 2 method is characterized in that,
The said Mobility Management Entity APN information that said UE is signatory sends among this UE; Mobility Management Entity is provided with a flag bit, and whether the subscription data of the APN that sign UE is signatory changes, if change; Then the APN tabulation is handed down to UE, otherwise UE is not issued in the APN tabulation.
4. method as claimed in claim 3 is characterized in that,
Also comprise, after the Mobility Management Entity APN information that described UE is signatory sends to this UE, remove the flag bit that said Mobility Management Entity is provided with.
5. the method for claim 1 is characterized in that,
After described APN information sends to said UE, when UE is established to the connection of a new packet data network PDN, at APN of the APN of said acquisition information selected.
6. method as claimed in claim 5 is characterized in that,
Comprise that also said UE is established to the connection of a new PDN, realize through initiating PDN connection request or packet data protocol (PDP) activating request.
7. like claim 5 or 6 described methods, it is characterized in that,
Comprise that also said UE is established to the connection of a new PDN through PDP context activating, selected APN is the default APN in the APN information.
8. a grouping domain system is characterized in that,
Comprise Mobility Management Entity, subscription data storage entity, wherein,
The subscription data storage entity is used to store the signatory APN information of UE, and sends to Mobility Management Entity; The signatory APN information of UE of said subscription data storage entity storage comprises an APN, and perhaps APN tabulation is comprising a default APN;
Mobility Management Entity is used for obtaining the signatory APN information of UE from the subscription data storage entity, and the APN information of said UE is sent to this UE; Said Mobility Management Entity also is used in one or several flow process of following flow process the APN information of UE being sent to UE, comprises attaching process or position updating process.
9. system as claimed in claim 8 is characterized in that,
Said Mobility Management Entity obtains the signatory APN information of UE from the subscription data storage entity in one or several flow process of following flow process, comprising: the subscription data storage entity is being adhered to or subscription data is inserted to Mobility Management Entity when upgrading in the position; Perhaps the subscription data storage entity sends to Mobility Management Entity immediately after subscription data changes.
10. like claim 8 or 9 described systems, it is characterized in that,
Said Mobility Management Entity also is used to be provided with a flag bit, and whether the subscription data of the APN of sign UE changes, if change, then the APN tabulation is handed down to UE, otherwise UE is not issued in the APN tabulation.
11. system as claimed in claim 10 is characterized in that,
After Mobility Management Entity also is used for the APN information that said UE is signatory and sends to this UE, remove the flag bit that said Mobility Management Entity is provided with.
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|---|---|---|---|---|
| CN1568050A (en) * | 2003-07-10 | 2005-01-19 | 华为技术有限公司 | Processing method for user activation request in wireless communication system |
| CN1798422A (en) * | 2004-12-27 | 2006-07-05 | 华为技术有限公司 | Method for distinguishing between 2G users and 3G users |
| CN101094443A (en) * | 2006-11-16 | 2007-12-26 | 中兴通讯股份有限公司 | Method for terminal in mobile communication system to obtain APN when joining multicast service group |
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