CN101790158B - Connection initiation processing method and device of packet data network - Google Patents
Connection initiation processing method and device of packet data network Download PDFInfo
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Abstract
The invention discloses connection initiation processing method and device of a packet data network, aiming to achieve that UE (user equipment) can truly support two different IP (internet protocol) versions to respectively initiate different PDN (public data network) connections by per se when a network side indicates the UE that the PDN connection requested by the UE for establishment supports single address loading. The connection initiation processing method comprises an assigned single address loading indication information and first IP version information used when the UE is requested to establish the first PDN connection when the UE storage network side is used for responding per se request to establish a first PDN connection, and second IP version information different from the stored first IP version information based on per se support and a request for establishing a second PDN connection, which is initiated to the network side when the single address loading indicating information is found to be stored by per se in subsequent check.
Description
Technical field
The present invention relates to the mobile communication technology field, especially relate to initiation processing method and device thereof that a kind of Packet Data Network connects.
Background technology
At System Architecture Evolution (SAE; System Architecture Evolution) in the communication system, subscriber equipment (UE, User Equipment) is established to (PDN of Packet Data Network; Packet Data Network) in the connection procedure; Can be through the tenability of this parameter informing network side self of PDN TYPE to IP version, wherein PDN TYPE parameter specifically has three different values, as follows:
IPV4V6: expression UE supports Ipv4 version and Ipv6 version simultaneously;
IPV4: expression UE can only support the Ipv4 version;
IPV6: expression UE can only support the Ipv6 version.
When UE supports Ipv4 version and Ipv6 version simultaneously; Be that PDN TYPE parameter value that UE sends to network side is when being IPV4V6; Network side can be according to the subscription data information of UE or network configuration information etc., possibly feed back PDN that the UE request sets up to UE and connect and can only use an IP version, or be the IPv4 version; Be the Ipv6 version, and in the reason that can only use an IP version in some cases to the UE explanation.When the PDN TYPE parameter value that network side sends at UE is IPV4V6, can only use several kinds of situation of an IP version following to the PDN connection that UE feedback UE request is set up:
1, because the restriction of user contracting data; The IP version information that network side can be contracted according to the user who puts down in writing in the user contracting data; The PDN that sets up to UE feedback UE request connects the IP version that can only use, and when for example user's IP version of contracting is IPv4, the PDN that then indicates its request of UE to set up connects can only use IPv4; When the IP version that the user contracts is IPv6, the PDN that then indicates its request of UE to set up connects can only use IPv6;
2, because the preferred disposition of Virtual network operator; The PDN that network side is set up to UE feedback UE request connects can only use an IP version; For example Virtual network operator preferentially disposes when using IPv4; The PDN that then indicates its request of UE to set up connects can only use IPv4, and Virtual network operator preferentially disposes when using IPv6, and the PDN that then indicates its request of UE to set up connects can only use IPv6;
3, network side carries out intercommunication with the network node that adopts other IP versions if desired; Network side need feed back PDN that UE request sets up to UE and connected and can only support single address to carry " singleaddress bearers only allowed " this moment, and to the IP version of its use of UE feedback request.
UE receives " the single address bearers only allowed " of network side notice; Use the IP version of network side indication to set up the PDN connection processing; Follow-up UE can also use another IP version of self supporting to initiate to set up the processing that other PDN connect; For example UE uses IPv4 to set up a PDN and connects according to the indication of network side, and the follow-up IPv6 that self supports that can also use initiates to set up another PDN connection requests to network side.
Usually; Network side can be at EPS session management cause value information unit (the ESM CAUSE IE in the default evolved packet system bearer context request of the activation that sends to UE (the ACTIVATE DEFAULT EPS BEARER CONTEXT REQUEST) message; EPS SESSION MANAGEMENTCAUSE IE) carries #50 in the field; The PDN connection that is used to indicate its request of UE to set up can only be supported the IPv4 version; Perhaps in this field, carry #51; Be used to indicate its PDN connection of asking to set up of UE can only support the IPv6 version, perhaps in this field, carry #52, the PDN connection that is used to indicate its request of UE to set up only supports single address to carry (single address bearers only allowed); In this case network side also will be in the PDN of this message address information element (PDN Address IE, Packet DataNetwork Address IE) field the IP version that uses of load bearing requirements UE.
The character value of carrying in the ESM CAUSE IE field in the ACTIVATE DEFAULT EPS BEARER CONTEXTREQUEST message that UE sends according to network side confirms which IP version to carry out the follow-up PDN connection processing of setting up based on.Like this when the character value of carrying in the ESM CAUSE IE field be that requiring of carrying in #52 and the PDN Address IE field IP version that UE uses is during as IPv4; UE is in carrying out the follow-up processing procedure of setting up the PDN connection based on IPv4; Might think by mistake be since in the ESM CAUSE IE field character value of carrying be that #50 just uses IPv4 to carry out the follow-up PDN connection processing of setting up, use another IP version IPv6 that self supports to initiate to set up the processing that other PDN connect and ignore; Perhaps when the character value of carrying in the ESM CAUSE IE field be that requiring of carrying in #52 and the PDNAddress IE field IP version that UE uses is during as IPv6; UE is in carrying out the follow-up processing procedure of setting up the PDN connection based on IPv6; Might think by mistake be since in the ESM CAUSEIE field character value of carrying be that #51 just uses IPv6 to carry out the follow-up PDN connection processing of setting up, use another IP version IPv4 that self supports to initiate to set up the processing that other PDN connect and ignore.So just feasible PDN when its request foundation of network side indication UE connects in the time of can only supporting single address carrying (singleaddress bearers only allowed), and UE also can't really use two different IP versions self supporting to initiate different PDN connections respectively.
Summary of the invention
Initiation processing method and device thereof that the embodiment of the invention provides a kind of Packet Data Network to connect; So that the PDN of its request foundation of network side indication UE connects when supporting that single address is carried, UE can really use two different IP versions self supporting to initiate different PDN connections respectively.
The technical scheme that the embodiment of the invention provides is specific as follows:
The initiation processing method that a kind of Packet Data Network connects; Comprise: when UE storage networking side is set up a PDN and is connected in order to respond self request, employed first IP version information when the single address that issues is carried indication information and required UE to set up a PDN to be connected; And follow-up when inspection is found self to store single address and carried indication information, the second IP version information of and first IP version information that be different from storage that support based on self initiates to set up the 2nd PDN connection requests to network side.
The initiation processing method that a kind of Packet Data Network connects; Comprise: when network side storing is set up a PDN and is connected in order to response UE request, employed first IP version information when the single address of being handed down to UE is carried indication information and required UE to set up a PDN to be connected; And the follow-up UE of receiving based on the second IP version information initiate set up the 2nd PDN connection requests the time, check that self whether storing single address carries indication information; Network side is when checking that finding self to store single address carries indication information; When the first IP version information and the UE request that compares self storage is set up the 2nd PDN and is connected based on the second IP version information inconsistency time, accept the set up two PDN connection requests of UE based on the initiation of the second IP version information.
A kind of subscriber equipment comprises memory cell, when being used for the storage networking side and setting up a PDN and connect in order to response UE request, and employed first IP version information when the single address that issues is carried indication information and required UE to set up a PDN to be connected; Connect and initiate the unit; Be used for follow-uply finding that in inspection memory cell stores single address when carrying indication information; Support and the second IP version information that be different from the first IP version information of storing in the memory cell initiates to set up the 2nd PDN connection requests to network side based on UE.
The initiation processing unit that a kind of Packet Data Network connects; Comprise memory cell; When being used for storage and setting up a PDN and connect in order to response UE request, employed first IP version information when the single address of being handed down to UE is carried indication information and required UE to set up a PDN to be connected; Inspection unit, be used for the follow-up UE of receiving based on the second IP version information initiate set up the 2nd PDN connection requests the time, whether store single address in the inspection memory cell and carry indication information; Comparing unit is used for finding that in inspection unit inspection memory cell stores single address when carrying indication information, when the first IP version information of relatively storing in the memory cell is set up the 2nd PDN connection with the UE request based on the second IP version information whether consistent; The connection processing unit is used at the comparative result of comparing unit when being inconsistent, accepts UE and sets up the 2nd PDN connection requests based on what the second IP version information was initiated.
The UE of the embodiment of the invention through supporting Ipv4 version and Ipv6 version simultaneously is when request is set up a PDN and is connected; Carry (single address bearers only allowed) indication information and the IP version information that requires UE to use with the single address of network side stores synchronized network side indication; UE is after setting up PDN connection like this; It is follow-up after inspection is found self to have stored single address bearers only allowed indication information; Just can use self support and and the IP version of the IP version information inconsistency stored initiate to set up the 2nd PDN connection requests to network side; Thereby in the time of can realizing that the network side indication supports that simultaneously the PDN of its request foundation of UE of Ipv4 version and Ipv6 version is connected the carrying of the single address of support, UE can really use two different IP versions self supporting to initiate different PDN connections to network side respectively.
Description of drawings
To combine each accompanying drawing that the practical implementation process of the embodiment of the invention is carried out detailed elaboration below, wherein in each accompanying drawing:
The first embodiment process flowchart of the initiation processing method that the Packet Data Network that Fig. 1 proposes for the present invention connects;
The second embodiment process flowchart of the initiation processing method that the Packet Data Network that Fig. 2 proposes for the present invention connects;
Fig. 3 carries the implementing procedure figure of indication information sending method for the single address that the embodiment of the invention proposes;
Fig. 4 specifically forms structural representation for the dispensing device of the single address carrying indication information that the embodiment of the invention proposes;
The concrete composition structured flowchart of the initiation processing unit that the subscriber equipment that Fig. 5 proposes respectively for the embodiment of the invention is connected with Packet Data Network.
Embodiment
The basic design philosophy of the embodiment of the invention is that UE is when PDN connection is set up in request; If network side is confirmed the PDN that this request is set up and is connected when supporting that (single address bearersonly allowed) carried in single address; A PDN who sets up in this request connects storage singleaddress bearers only allowed indication information in the corresponding context, and indication UE is setting up the first IP version information of using when a PDN connects; Network side a PDN that UE request is set up connects the indication information of supporting singleaddress bearers only allowed and is handed down to UE with the first IP version information that requires UE use when setting up a PDN and be connected then; The PDN that UE sets up in this request connects storage single address bearers only allowed indication information in the corresponding context, and the first IP version information; Follow-up UE supports under the situation of two different IP versions at the same time at least; When in the corresponding context of the PDN connection that is checked through foundation, storing single address bearers only allowed indication information; Use connects the second different IP version information of the first IP version information of storing in the corresponding context with a PDN and initiates to set up the 2nd PDN connection requests to network side; Network side is when receiving the 2nd PDN connection request that UE sends; The PDN that inspection is set up connects in the corresponding context whether store single address bearers only allowed indication information; And when inspection is found to store singleaddress bearers only allowed indication information; When the employed second IP version information was inequality when first IP version information of in the corresponding context of the PDN connection of judging foundation, storing and UE initiated to set up the 2nd PDN connection request, accept the 2nd PDN connection requests of setting up of UE initiation.When realizing that with this network side indication supports that simultaneously PDN of its request foundation of UE of Ipv4 version and Ipv6 version is connected the carrying of the single address of support, UE can really use two different IP versions self supporting to initiate different PDN connections to network side respectively.
First embodiment:
As shown in Figure 1, the first embodiment process flowchart of the initiation processing method that the Packet Data Network that proposes for the present invention connects, its concrete implementation procedure is following:
Step 10 is supported the UE of Ipv4 version and Ipv6 version to set up a PDN to the network side request simultaneously and is connected;
Step 11; Network side receives that UE sends set up a PDN connection requests after; Confirming needs and adopts the network node of other IP versions to carry out intercommunication; Therefore confirm that UE asks a PDN of foundation to connect and can only support single address to carry " single address bearers only allowed ", and the IP version information that the PDN connection of definite UE request foundation can be used is the Ipv4 version;
Step 12; Network side is with above-mentioned definite single address bearers only allowed indication information and the storage of Ipv4 version information; Preferable; Network side can increase a field newly in the corresponding context of the PDN connection that request is set up; In order to carry " single address bearers only allowed " indication information and Ipv4 version information, in addition also can be with single address bearers only allowed " indication information and Ipv4 version information be stored in the existing PDN TYPE field;
Step 13; Network side response UE sends sets up a PDN connection requests; To UE feedback ACTIVATE DEFAULT EPS BEARER CONTEXT REQUEST message; Wherein carry #52 in the ESM CAUSE IE field in this message; A PDN who is used to indicate its request of UE to set up connects and only supports single address bearers only allowed, and employed Ipv4 version information when load bearing requirements UE sets up a PDN and connects in the PDN Address IE field in this message;
Step 14; UE parses in the ACTIVATE DEFAULT EPS BEARERCONTEXT REQUEST message of network side feedback and carries #52 in the ESM CAUSE IE field; And store a flag bit that can indicate " single address bearers only allowed " information of #52 indication, and parse the Ipv4 version information and the storage of carrying in the PDN Address IE field in this message; Wherein UE can increase a field newly in the corresponding context of the PDN connection that request is set up; This is indicated the flag bit of " single address bearers only allowed " information of #52 indication; And the Ipv4 version information is stored in this field that increases newly; The flag bit that perhaps will indicate " single address bearersonly allowed " information of #52 indication, and the Ipv4 version information is stored in the existing PDN TYPE field.
Step 15; The Ipv4 version of UE side indication Network Based is set up a PDN connection processing; Follow-up UE checks the flag bit that whether stores " the single address bearers only allowed " information that can indicate the #52 indication in self having need set up the demand that another PDN connects based on the Ipv6 version information time, if; Execution in step 16, otherwise discard request is set up another PDN connection based on the Ipv6 version information;
Step 16, that UE supports based on self and connect the different Ipv6 version information of storing in the corresponding context of Ipv4 version information with a PDN who sets up, set up the 2nd PDN connection requests to the network side initiation; Wherein UE can be based on being carried on the Ipv6 version information in the PDNCONNECTIVTY REQUEST message that sends to network side, realizes that initiating based on the Ipv6 version information request to network side sets up the 2nd PDN and connect;
Step 17; After network side receives the PDN CONNECTIVTY REQUEST message that UE sends; When detecting UE and set up a PDN and connect, the inspection network side connects in the corresponding context whether store " single address bearers only allowed " indication information at a PDN, if execution in step 18; Otherwise, set up another PDN connection requests based on the Ipv6 version information with what refusal UE initiated to UE feedback PDN CONNECTIVITYREJECT message;
Step 18, network side check a PDN connect the IP version information of storing in the corresponding context and UE initiation request the 2nd PDN connection based on IP version information whether consistent, if, execution in step 19, otherwise execution in step 20;
Step 19, network side accept that UE initiates based on connecting the 2nd PDN connection requests of setting up that the identical IP version of employed IP version initiates with a PDN who has set up;
Step 20; Network side accept that UE initiates based on connecting the 2nd PDN connection requests of setting up that the different IP version of employed IP version initiates with a PDN who has set up, be here network side accept that UE initiates set up the 2nd PDN connection requests based on what the Ipv6 version information was initiated.
After step 20 finishes, just can solve the PDN that sets up when its request of network side indication UE in the prior art and connect in the time of can only supporting that single address is carried, UE also can't really use two different IP versions self supporting to initiate the problem that different PDN connect respectively.
After step 20 is complete; The subsequent network side is set up the 2nd PDN connection requests for what response UE sent; Can be to UE feedback ACTIVATE DEFAULT EPS BEARER CONTEXTREQUEST message; Wherein carry #52 in the ESM CAUSE IE field in this message; The 2nd PDN that is used to indicate its request of UE to set up connects and only supports single address bearers only allowed, and employed Ipv6 version information when load bearing requirements UE sets up the 2nd PDN and connects in the PDN Address IE field in this message.In addition; Network side can also be with above-mentioned definite single address bearersonly allowed indication information and the storage of Ipv4 version information; Preferable; Network side can increase a field newly in the corresponding context of the 2nd PDN connection that request is set up, in order to carry the #52 of expression single addressbearers only allowed indication information, can also #52 indication information and Ipv4 version information be stored in the existing PDN TYPE field;
UE parses network side and sets up for response UE in the ACTIVATEDEFAULT EPS BEARER CONTEXT REQUEST message of the 2nd PDN connection requests feedback and carry #52 in the ESM CAUSE IE field; And store a flag bit that can indicate " single address bearers only allowed " information of #52 indication, and parse the Ipv6 version information and the storage of carrying in the PDN Address IE field in this message; Wherein UE can increase a field newly in the corresponding context of the 2nd PDN connection that request is set up; This is indicated the flag bit of " single address bearers only allowed " information of #52 indication; And the Ipv4 version information is stored in this field that increases newly; The flag bit that perhaps will indicate " single address bearers only allowed " information of #52 indication, and the Ipv4 version information is stored in the existing PDN TYPE field.The Ipv6 version information of UE side indication Network Based carries out the processing of the 2nd PDN establishment of connection then.
Second embodiment:
As shown in Figure 2, the second embodiment process flowchart of the initiation processing method that the Packet Data Network that proposes for the present invention connects, its concrete implementation procedure is following:
Wherein the existing definition of PDN Address IE field is specific as follows:
Wherein there is the BIT of 5 spare in the 3rd byte (octer 3); The embodiment of the invention can be chosen one of them BIT wantonly here; Be used for the situation of indication " single address bearers only allowed ", and carry indication UE based on PDN type value territory and use which IP version to set up PDN to connect.If certain BIT among the spare has been set up; The PDN connection that then shows UE request foundation only can be supported " singleaddress bearers only allowed "; UE is follow-up can also adopt and this PDN Address IE in (value has three among the PDNTYPE VALUE; Ipv4, Ipv6, IPV4V6) the indicated different IP version of IP version, request is set up other PDN and is connected.If BIT all among the spare all are not set up, show that then UE can only set up PDN according to indicated IP version among the PDN TYPE VALUE among this PDN Address IE and connect.
Step 114, that UE supports based on self and connect the different Ipv6 version information of storing in the corresponding context of Ipv4 version information with a PDN who sets up, set up the 2nd PDN connection requests to the network side initiation; Wherein UE can be based on being carried on the Ipv6 version information in the PDNCONNECTIVTY REQUEST message that sends to network side, realizes that initiating based on the Ipv6 version information request to network side sets up the 2nd PDN and connect;
After step 122 finishes, just can solve the PDN that sets up when its request of network side indication UE in the prior art and connect in the time of can only supporting that single address is carried, UE also can't really use two different IP versions self supporting to initiate the problem that different PDN connect respectively.
After step 122 is complete; The PDN GW of subsequent network side receives that UE sends set up the 2nd PDN connection requests after; Confirming needs and adopts the network node of single IP version to carry out intercommunication; Therefore confirm that UE asks the 2nd PDN of foundation to connect and can only support single address to carry " single address bearers only allowed ", and the IP version information that the 2nd PDN connection of definite UE request foundation can be used is the Ipv6 version; PDN GW is with above-mentioned definite single address bearers onlyallowed indication information and the storage of Ipv6 version information; Preferable; PDN GW can connect at the 2nd PDN that request is set up increases a new field in the corresponding context; In order to carry " single addressbearers only allowed " indication information and Ipv6 version information, also can " single addressbearers only allowed " indication information and Ipv6 version information be stored in the existing PDN TYPE field in addition;
PDN GW response UE sends sets up the 2nd PDN connection requests, sends the CREATDEFAULT BEARERRESPONSE message that comprises single address bearers only allowed indication information and Ipv6 version information to MME;
After MME receives this CREAT DEFAULT BEARERRESPONSE message; Send ACTIVATE DEFAULT EPS BEARER CONTEXT REQUEST message and give UE; Wherein MME will send to and carry the represented single address of #52 in the ESM CAUSE IE field in the ACTIVATE DEFAULT EPS BEARER CONTEXTREQUEST message of UE and carry indication and use based on the spare (leave unused) in the PDN Address IE field and represent; Promptly use the mode of flag bit to represent single address carrying indication information; Then with the ESM CAUSE IE field in this message deletion, employed Ipv6 version information when coming to carry simultaneously single address bearersonly allowed indication information based on same PDN Address IE field and requiring UE to set up the 2nd PDN to be connected;
UE parses the PDN Address IE field in the ACTIVATE DEFAULT EPS BEARER CONTEXTREQUEST message of MME feedback; And the spare position in this PDN Address IE field is when being set up; Store a flag bit that can indicate " single address bearers onlyallowed " information of #52 indication, and store the Ipv6 version information that carries in this PDN Address IE field; Preferable; UE can increase a field newly in the corresponding context of the 2nd PDN connection that request is set up; This is indicated the flag bit of " single address bearers only allowed " information of #52 indication; And the Ipv6 version information is stored in this field that increases newly, perhaps will indicate the flag bit of " singleaddress bearers only allowed " information of #52 indication, and the Ipv6 version information is stored in the existing PDN TYPE field; UE side Network Based indicated Ipv6 version information in PDN TYPE VALUE is set up the processing that the 2nd PDN connects then.
It is thus clear that; Second embodiment here is with respect to the first above-mentioned embodiment; Can realize that equally PDN that network side indication supports its request of UE of Ipv4 version and Ipv6 version to set up simultaneously is connected when supporting that single address is carried, UE can really use two different IP versions self supporting respectively when network side is initiated different PDN purpose of connecting, can also further saving interface-free resources; This is because when network side sends ACTIVATE DEFAULT EPS BEARER CONTEXT REQUEST message; And if only if need indicate #50 to UE, when #51 or #52 indication information, just is necessary to comprise ESM CASUE IE field; And this ESM CASUE IE field need occupy two bytes; Therefore can make network side carry #50 sending, during the ACTIVATE DEFAULT EPS BEARERCONTEXT REQUEST message of #51 or #52 indication information, cause the waste of interface-free resources to UE; And in second embodiment of the invention; Network side adopts to be represented single address bearers only allowed indication information based on a spare position in the PDN Address IE field in the ACTIVATEDEFAULT EPS BEARER CONTEXT REQUEST message; The shared field of IP version information with indication UE use; And need not to increase again new ESM CASUE IE field, therefore can be so that network side is being indicated #50 based on ACTIVATEDEFAULT EPS BEARER CONTEXT REQUEST message to UE, when #51 or #52 indication information; Can practice thrift the space of 2 bytes; Thereby make the contraction in length of this message, capacity diminishes, and can effectively avoid the waste of interface-free resources.
In addition; The embodiment of the invention can also be implemented the Notification Method of the single address bearers onlyallowed indication information of above-mentioned proposition separately here, does not set up technical scheme that PDN be connected employed IP version information with the equal stores synchronized single address of network side bearers only allowed indication information with request and rely on UE.
In addition, based on above-mentioned independent embodiment in identical method, also can be used to UE indication because the reason of " restriction of user contracting data " and/or " preferred disposition of Virtual network operator ", PDN connects the situation that can only support an IP version.
As shown in Figure 3, for carrying the implementing procedure figure of indication information sending method in the single address that the embodiment of the invention proposes, wherein concrete implementation procedure is following::
As shown in Figure 4; The dispensing device that carries indication information for the single address of embodiment of the invention proposition is specifically formed structural representation; Comprise indication information processing unit 400, be used for indicating single address carrying indication information based at least one the spare position in the PDN ADDRESS IE field of ACTIVATEDEFAULT EPS BEARER CONTEXT REQUEST message; Version information processing unit 410 is used for carrying employed IP version information when requiring UE to set up PDN to connect based on the PDN type value territory of this PDN ADDRESS IE field; Message sending unit 420 is used for the ACTIVATE DEFAULT EPS BEARER CONTEXTREQUEST message that comprises above-mentioned PDNADDRESS IE field after indication information processing unit 400 and version information processing unit 410 are handled respectively is handed down to UE.
As shown in Figure 5; The concrete composition structured flowchart of the initiation processing unit that the subscriber equipment that proposes respectively for the embodiment of the invention is connected with Packet Data Network; Wherein comprise first memory cell 501 in the subscriber equipment 50; When being used for the storage networking side and setting up a PDN and connect in order to response UE request, employed first IP version information when the single address that issues is carried indication information and required UE to set up a PDN to be connected; Connect and initiate unit 502; Be used for follow-uply finding that in inspection first memory cell 501 stores single address when carrying indication information; Based on the UE support and the second IP version information that be different from the first IP version information of storage in first memory cell 501, initiate to set up the 2nd PDN connection requests to network side.In addition in first memory cell 501 can also so that storage networking side when setting up the 2nd PDN and connect in order to response UE request, employed second IP version information when the single address that issues is carried indication information and required UE to set up the 2nd PDN to be connected.
Comprise second memory cell 601 in the initiation processing unit 60 that wherein Packet Data Network connects; When being used for storage and setting up a PDN and connect in order to response UE request, employed first IP version information when the single address of being handed down to UE is carried indication information and required UE to set up a PDN to be connected; Inspection unit 602, be used for the follow-up UE of receiving based on the second IP version information initiate set up the 2nd PDN connection requests the time, check that whether storing single address in second memory cell 602 carries indication information; Comparing unit 603; Be used for finding that in inspection unit 602 inspection second memory cell 601 stores single address when carrying indication information, when relatively the first IP version information of storage is set up the 2nd PDN connection with the UE request in second memory cell 601 based on the second IP version information whether consistent; Connection processing unit 604 is used for when the comparative result of comparing unit 603 is inconsistent, accepts the set up two PDN connection requests of UE based on the initiation of the second IP version information.
In addition, can also store when setting up the 2nd PDN and connect employed second IP version information when the single address of being handed down to UE is carried indication information and required UE to set up the 2nd PDN to be connected in second memory cell 601 in order to response UE request.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, belong within the scope of claim of the present invention and equivalent technologies thereof if of the present invention these are revised with modification, then the present invention also is intended to comprise these changes and modification interior.
Claims (19)
1. the initiation processing method that Packet Data Network connects is characterized in that, comprising:
When UE storage networking side is set up a PDN and is connected in order to respond self request, employed first IP version information when the single address that issues is carried indication information and required UE to set up a PDN to be connected; And
Follow-up when inspection is found self to store single address and carried indication information, the second IP version information of and first IP version information that be different from storage that support based on self initiates to set up the 2nd PDN connection requests to network side.
2. the method for claim 1 is characterized in that, also comprises:
When UE storage networking side is set up the 2nd PDN and is connected in order to respond self request, employed second IP version information when the single address that issues is carried indication information and required UE to set up the 2nd PDN to be connected.
3. the method for claim 1 is characterized in that, UE carries said single address of indication information and is connected in the corresponding context at the PDN that request is set up with the first IP version information stores.
4. method as claimed in claim 2; It is characterized in that; When UE asked self network side to set up the 2nd PDN connection in order to respond, the single address that issues was carried indication information and is connected in the context of correspondence at the 2nd PDN that request is set up with the second IP version information stores.
5. the method for claim 1 is characterized in that, initiates to set up the 2nd PDN connection requests to network side based on the second IP version information, specifically comprises:
Initiate to set up the 2nd PDN connection requests to network side based on PDN CONNECTIVTY REQUEST message, carry the 2nd PDN in the wherein said PDN CONNECTIVTY REQUEST message and connect the employed second IP version information.
6. the initiation processing method that Packet Data Network connects is characterized in that, comprising:
When network side storing is set up a PDN and is connected in order to response UE request, employed first IP version information when the single address of being handed down to UE is carried indication information and required UE to set up a PDN to be connected; And
The follow-up UE of receiving based on the second IP version information initiate set up the 2nd PDN connection requests the time, check that self whether storing single address carries indication information;
Network side is when checking that finding self to store single address carries indication information; When the first IP version information and the UE request that compares self storage is set up the 2nd PDN and is connected based on the second IP version information inconsistency time, accept the set up two PDN connection requests of UE based on the initiation of the second IP version information.
7. method as claimed in claim 6 is characterized in that, network side accept that UE initiates based on the second IP version information set up the 2nd PDN connection requests after, also comprise:
When network side storing is set up the 2nd PDN and is connected in order to response UE request, employed second IP version information when the single address of being handed down to UE is carried indication information and required UE to set up the 2nd PDN to be connected.
8. like claim 6 or 7 described methods, it is characterized in that network side indicates single address carrying indication information based at least one the vacant position in the PDN ADDRESS IE field that activates in the default evolved packet system bearer context request message.
9. method as claimed in claim 7; It is characterized in that network side carries employed IP version information when requiring UE to set up PDN to connect based on the PDN type value territory in the PDN ADDRESS IE field that activates in the default evolved packet system bearer context request message.
10. method as claimed in claim 6 is characterized in that, network side carries said single address of indication information and is connected in the corresponding context with the PDN that the first IP version information stores is set up in the UE request.
11. method as claimed in claim 7; It is characterized in that; When network side will be set up the 2nd PDN connection in order to response UE request, the single address carrying indication information that is handed down to UE was connected in the corresponding context with the 2nd PDN that the second IP version information stores is set up in the UE request.
12. a subscriber equipment is characterized in that, comprising:
Memory cell, when being used for the storage networking side and setting up a PDN and connect in order to response UE request, employed first IP version information when the single address that issues is carried indication information and required UE to set up a PDN to be connected; With
Connect and initiate the unit; Be used for follow-uply finding that in inspection memory cell stores single address when carrying indication information; Support and the second IP version information that be different from the first IP version information of storing in the memory cell initiates to set up the 2nd PDN connection requests to network side based on UE.
13. subscriber equipment as claimed in claim 12; It is characterized in that; Said memory cell is when also the storage networking side is set up the 2nd PDN and connected in order to response UE request, employed second IP version information when the single address that issues is carried indication information and required UE to set up the 2nd PDN to be connected.
14. subscriber equipment as claimed in claim 12 is characterized in that, said memory cell is carried said single address of indication information and is connected in the corresponding context at the PDN that request is set up with the first IP version information stores.
15. subscriber equipment as claimed in claim 13; It is characterized in that; When said memory cell was set up the 2nd PDN connection with network side in order to response UE request, the single address that issues was carried indication information and is connected in the corresponding context at the 2nd PDN that request is set up with the second IP version information stores.
16. the initiation processing unit that Packet Data Network connects is characterized in that, comprising:
Memory cell, when being used for storage and setting up a PDN and connect in order to response UE request, employed first IP version information when the single address of being handed down to UE is carried indication information and required UE to set up a PDN to be connected; With
Inspection unit, be used for the follow-up UE of receiving based on the second IP version information initiate set up the 2nd PDN connection requests the time, whether store single address in the inspection memory cell and carry indication information;
Comparing unit is used for finding that in inspection unit inspection memory cell stores single address when carrying indication information, when the first IP version information of relatively storing in the memory cell is set up the 2nd PDN connection with the UE request based on the second IP version information whether consistent;
The connection processing unit is used at the comparative result of comparing unit when being inconsistent, accepts UE and sets up the 2nd PDN connection requests based on what the second IP version information was initiated.
17. device as claimed in claim 16; It is characterized in that; When said memory cell is also stored and is set up the 2nd PDN and connect in order to response UE request, employed second IP version information when the single address of being handed down to UE is carried indication information and required UE to set up the 2nd PDN to be connected.
18. device as claimed in claim 16 is characterized in that, said memory cell is carried said single address of indication information and is connected in the corresponding context with the PDN that the first IP version information stores is set up in the UE request.
19. device as claimed in claim 17; It is characterized in that; When said memory cell will be set up the 2nd PDN connection in order to response UE request, the single address carrying indication information that is handed down to UE was connected in the corresponding context with the 2nd PDN that the second IP version information stores is set up in the UE request.
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| CN109862603A (en) * | 2019-03-28 | 2019-06-07 | 努比亚技术有限公司 | APN adaptive approach, mobile terminal and readable storage medium storing program for executing |
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| 3GPP.Technical Specification Group Services and System Aspects * |
| General Packet Radio Service (GPRS) enhancements forEvolved Universal Terrestrial Radio Access Network(E-UTRAN) access(Release 8).《3GPP TS 23.401 V8.4.1》.2008,第59页. * |
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