CN101860976B - Method, equipment and system for realizing local IP access of user equipment - Google Patents
Method, equipment and system for realizing local IP access of user equipment Download PDFInfo
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- CN101860976B CN101860976B CN200910081516A CN200910081516A CN101860976B CN 101860976 B CN101860976 B CN 101860976B CN 200910081516 A CN200910081516 A CN 200910081516A CN 200910081516 A CN200910081516 A CN 200910081516A CN 101860976 B CN101860976 B CN 101860976B
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Abstract
The invention discloses a method, equipment and a system for realizing local IP access of user equipment. The method comprises the following steps: a home node HeNB receives the attached request of a user and sends the attached request to a mobility management entity MME; a system architecture evolution SAE load which is built for the local IP access of UE and is sent by the MME is received; and the UE is accessed to a home netweork or the local Internet by the SAE load. The invention can cause the UE to be accessed to the home network or the local Internet by the local IP.
Description
Technical field
The present invention relates to the communication technology, be specifically related to a kind of method, equipment and system that realizes that the local IP of subscriber equipment inserts.
Background technology
E-UTRAN (evolution whole world terrestrial radio inserts) system has introduced HeNB GW (femto gateway) on logical construction, be equivalent to expand the S1 interface between HeNB (Home eNodeB) and the core net, thereby can in system, have disposed more Home eNodeB.For HeNB, HeNB GW is equivalent to MME (Mobility Management Entity).The user of HeNB GW service can not need carry out the switching between the MME moving of minizone.
As shown in Figure 1, be the network architecture sketch map that existing E-UTRAN comprises HeNB GW:
Wherein, between the eNB X2 interface, between eNB and the MME S1 interface, HeNB is linked into MME through a centralized node HeNB GW, does not have interface between the HeNB, and HeNB can only link to each other with a HeNB GW simultaneously.
In existing technical specification, defined demand to HeNB; In order to let wireless access interconnect to the UE of the support IP ability of HeNB and the equipment of other supports IP of family ability; HeNB need support local IP to be linked into the characteristic of home network, and promptly UE can be linked into the network of operator simultaneously and be linked into home network through local IP.Do not support how UE is linked into the mechanism of home network but provide in the standard of HeNB at present.
Summary of the invention
The embodiment of the invention provides a kind of method, equipment and system that realizes that the local IP of subscriber equipment inserts, and can make UE be linked into home network through local IP.
For this reason, the embodiment of the invention provides following technical scheme:
A kind of method that realizes that the local IP of subscriber equipment inserts comprises:
Home eNodeB HeNB receives the attach request of UE, and said attach request is sent to Mobility Management Entity MME;
What receive the MME transmission is that the System Architecture Evolution SAE that the local IP access of UE is set up carries;
Through said SAE carrying UE is linked into home network or local internet.
A kind of Home eNodeB comprises:
The user side receiving element is used to receive the attach request of UE;
The network side transmitting element is used for said attach request is sent to MME;
The unit is set up in first carrying, is used to obtain the SAE carrying for the local IP access of UE foundation of MME transmission;
Insert processing unit, be used for UE being linked into home network or local internet through said SAE carrying.
A kind of Mobility Management Entity comprises:
Receiving element is used to receive the attach request of the UE that Home eNodeB HeNB transmits;
Judging unit, whether needs carry out local IP access to be used for confirming UE according to the information that said attach request UE provides;
The unit is set up in second carrying, is used for after said judging unit confirms that UE need carry out local IP access, setting up the SAE carrying for the local IP of UE inserts;
Transmitting element is used for sending to HeNB for the local IP of UE inserts the SAE carrying of setting up.
A kind of system that realizes that the local IP of subscriber equipment inserts comprises Home eNodeB and Mobility Management Entity;
Said Home eNodeB is used to receive the attach request of UE, and said attach request is sent to Mobility Management Entity;
Said Mobility Management Entity is used for confirming that according to the information that said attach request UE provides the UE needs carry out local IP and insert, and sets up the SAE carrying for the local IP of UE inserts, and said SAE carrying is sent to said Home eNodeB;
Said Home eNodeB also is used to receive the SAE carrying for the local IP access of UE foundation of said Mobility Management Entity transmission, carries through said SAE UE is linked into home network or local internet.
The embodiment of the invention meets method, equipment and the system that realizes that the local IP of subscriber equipment inserts; Receive the attach request of UE through HeNB; And said attach request sent to MME; The information that MME provides according to UE in the said attach request confirms that the UE needs carry out local IP and insert, and sets up SAE (System Architecture Evolution) carrying for the local IP of UE inserts, and HeNB carries through said SAE UE is linked into home network or local internet.Thereby can make to be linked into through local IP to the UE of HeNB through wireless access that other support the apparatus interconnection of IP ability in home network or local internet and home network or the local internet, satisfy the demand that the local IP of UE inserts.
Description of drawings
Fig. 1 is the network architecture sketch map that existing E-UTRAN comprises HeNB GW;
Fig. 2 is the flow chart that the embodiment of the invention realizes the method that the local IP of subscriber equipment inserts;
Fig. 3 is the sketch map that UE inserts the attaching process of home network in the embodiment of the invention through HeNB;
Fig. 4 is the sketch map that UE inserts the service request procedure behind the home network in the embodiment of the invention through HeNB;
Fig. 5 is the structural representation of embodiment of the invention HeNB;
Fig. 6 is the structural representation of embodiment of the invention MME.
Embodiment
In order to make those skilled in the art person understand the scheme of the embodiment of the invention better, the embodiment of the invention is done further to specify below in conjunction with accompanying drawing and execution mode.
With reference to Fig. 2, be the flow chart that the embodiment of the invention realizes the method that the local IP of subscriber equipment inserts, mainly may further comprise the steps:
In said attach request, carry the information that UE provides, whether need carry out local IP with indication UE and insert; Such as being linked into home network or local internet; Further, if system supports UE to be linked into the scene of a plurality of home networks simultaneously, then in said attach request, can also carry the information whether indication UE is linked into a plurality of home networks; Such as carrying APN (APN) parameter in the said attach request, show that then UE need be linked into a plurality of home networks.
After MME receives said attach request, can confirm that the UE needs carry out local IP and insert according to the information that UE in the said attach request provides.Need local IP access if confirm UE, then set up SAE and carry, and the SAE carrying of setting up is sent to HeNB for the local IP access of UE.
For the UE that is linked into home network or local internet; SAE carries and is made up of to the radio bearer of HeNB UE; HeNB directly is routed to these data in home network or the local internet after receiving and carrying the data of the UE on the corresponding radio bearer of eating dishes without rice or wine with these SAE.
Being linked into home network with UE below is example, and the embodiment of the invention is further elaborated.
With reference to Fig. 3, be the sketch map that UE inserts the attaching process of home network in the embodiment of the invention through HeNB.
Step 301, UE initiates attaching process to HeNB, sends Attach Request (attach request) message.
Step 302:HeNB sends to MME through carrying AttachRequest message among the Initial UE Message (initial UE message).
Step 303, the information that provides among the Attach Request of MME according to UE are judged UE and are linked into home network, and MME need not send transport addresses information and the GTP tunnel information of the S-GW (gateway) of all corresponding carryings of this home network to HeNB.
For this reason; MME can put sky with Transport Layer Address (transport layer address) that carries in Initial Context Setup Request (initial context request) message that sends to HeNB and GTP (general packet wireless service tunnel protocol) TEID (termination point of a tunnel sign); Be that IP address and TEID value are set to complete zero; Perhaps directly do not carry these two parameters; The essential option that just presence (existence) of these two parameters is defined from original standard changes option into, and the carrying of home network is not carried; Perhaps the Transport LayerAddress parameter of carrying in the Initial Context Setup Request message is made as the IP address of HeNB.
If system supports UE to be linked into the scene of a plurality of home networks simultaneously, can also in this message, indicate the binding relationship of carrying of UE home network and home network APN, such as in message, carrying APN IE.HeNB can be routed to the IP packet of UE and different home network in the corresponding home network according to this information.
Step 304, HeNB sends RRC Connection Reconfiguration (the RRC connection is reshuffled) message to UE, comprises radio bearer parameter in the message.
Step 305, UE is to UE response RRC Connection Complete (RRC connects completion) message.
Step 306; For the UE that is linked into home network; SAE carries and is made up of to the radio bearer of HeNB UE; Do not have the S1 user plane bearer of HeNB, after HeNB receives InitialContext Setup Request message, do not have corresponding Transport LayerAddress and GTP TEID information if find some carrying to S-GW; If perhaps Transport Layer Address is the IP address of HeNB; To think that these carryings are for inserting the SAE carrying that home network is set up, be not that the SAE between HeNB and the S-GW carries, and need not be that these carry the Transport Layer Address and the GTP TEID information of distributing corresponding S1-U interface (interface between gateway and the UE).HeNB will carry the data that receive on the corresponding radio bearer of eating dishes without rice or wine with these SAE and be routed directly in the home network.
Also Transport LayerAddress and GTP TEID put sky (being that IP address and GTP TEID value are set to complete zero) to HeNB in the Initial Context Setup Response message of returning; Perhaps directly do not carry these two parameters; The essential option that just presence of these two parameters is defined from original standard changes option into, and the carrying of home network is not carried; Perhaps the Transport Layer Address in the Initial ContextSetup Response message is set to the IP address of HeNB.
If system supports UE to be linked into the scene of a plurality of home networks simultaneously; In Initial Context SetupRequest message, can indicate the binding relationship of carrying of UE home network and home network APN; HeNB is in response message; Also can return the home network carrying of MME indication and the binding relationship of home network APN, and indicate the carrying of successfully foundation and the beared information of failure.
With reference to Fig. 4, be the sketch map that UE inserts the service request procedure behind the home network in the embodiment of the invention through HeNB.
Step 404; MME need not send transport addresses information and the GTP tunnel information that UE is linked into the S-GW of all corresponding carryings of home network to HeNB; MME can put sky with the Transport Layer Address and the GTP TEID that carry in the Initial Context Setup Request message that sends to HeNB; Be that IP address and TEID value are set to complete zero; Perhaps directly do not carry these two parameters, the essential option that just presence of this two IE is defined from original standard changes option into, and the carrying of home network is not carried; Perhaps the Transport Layer Address parameter of carrying in the Initial Context Setup Request message is made as the IP address of HeNB.
If system supports UE to be linked into the scene of a plurality of home networks simultaneously, MME need indicate the binding relationship of carrying of UE home network and home network APN in this message, such as in message, carrying APNIE.HeNB can be routed to the IP packet of UE and different home network in the corresponding home network according to this information.
Step 406, UE sends upstream data to S-GW.
HeNB also puts sky with Transport LayerAddress and GTP TEID in the Initial Context Setup Response message of returning; Be that IP address and TEID value are set to complete zero; Perhaps directly do not carry these two parameters; The essential option that just presence of this two IE is defined from original standard changes option into, and the carrying of home network is not carried; Perhaps the Transport Layer Address in the Initial Context SetupResponse message is set to the IP address of HeNB.
If system supports UE to be linked into the scene of a plurality of home networks simultaneously; MME indicates the binding relationship of carrying of UE home network and home network APN in Initial ContextSetup Request message; Then HeNB is in Initial Context Setup Response message; Also can return the home network carrying of MME indication and the binding relationship of home network APN, and indicate the carrying of successfully foundation and the beared information of failure.
Step 408～412nd, core net is upgraded the process of the beared information of UE, and this process is identical with existing process.Specific as follows:
Step 409, S-GW sends to PDN GW (grouped data network gateway) with the Update Bearer Request message of receiving.
Step 410 after PDN GW receives Update Bearer Request message, is carried out IP connection access network network session modification process with PCRF ("Policy and Charging Rules Function) entity, obtains PCC (strategy and the control of chargeing) rule.
It is thus clear that, utilize the method for the embodiment of the invention, can wireless access be linked into home network to the UE of the support IP ability of HeNB, and can not influence the network that UE is linked into operator.
One of ordinary skill in the art will appreciate that all or part of step that realizes in the foregoing description method is to instruct relevant hardware to accomplish through program; Described program can be stored in the computer read/write memory medium; Described storage medium, as: ROM/RAM, magnetic disc, CD etc.
The embodiment of the invention also provides a kind of HeNB, and is as shown in Figure 5, is a kind of structural representation of this HeNB.
In this embodiment, said HeNB500 comprises: user side receiving element 501, network side transmitting element 502, first carry to be set up unit 503 and inserts processing unit 504.Wherein:
User side receiving element 501 is used to receive the attach request of UE;
Network side transmitting element 502 is used for said attach request is sent to MME;
In embodiments of the present invention, said first carry a kind of preferred structure set up unit 503 and comprise: receive subelement 531 and definite subelement 532.Wherein, said reception subelement 531 is used to receive the initial context that MME sends and sets up request message.Said definite subelement 532 is used for setting up according to said initial context the information of request message, confirms that it is to carry for the local IP of UE inserts the SAE that sets up that SAE that MME sets up carries.Particularly; Said definite subelement 532 can be set up the transport layer address parameter and the GTP tunnel information parameter that carry in the request message and be sky through judging said initial context; Perhaps said initial context is set up and is not carried transport layer address parameter and GTP tunnel information parameter in the request message; Perhaps said initial context is set up and is carried the IP address that the transport layer address parameter is HeNB in the request message, confirms that the SAE carrying that MME sets up is to insert the SAE carrying that home network is set up for UE.
Certainly, first carrying is set up unit 503 and is not limited in this structure, and other implementations can also be arranged.
In embodiments of the present invention; Said network side transmitting element 502; Also can be further used for returning initial context and set up response message to MME; Said initial context is set up the transport layer address parameter and the GTP tunnel information parameter that carry in the response message and is sky, and perhaps said initial context is set up and do not carried transport layer address parameter and GTP tunnel information parameter in the request message, and perhaps said initial context is set up the IP address that the transport layer address parameter of carrying in the request message is HeNB.
If system supports UE to be linked into the scene of a plurality of home networks simultaneously; Then set up the home network that carries MME indication in the response message and carry the binding relationship with home network APN, and indicate the carrying of successfully foundation and the beared information of failure at said initial context.
Need to prove that the structure of above-mentioned HeNB is divided from logic function, wherein each functional unit can be a module independently, also can part or all of functional unit be integrated in the same module.That is to say that in practical application, according to application need, said HeNB can also have other versions.
The HeNB of the embodiment of the invention; Can wireless access be linked into home network or local internet to the UE of the support IP ability of HeNB; Make the apparatus interconnection of other supports IP ability in UE and home network or the local internet, and can not influence the network that this UE is linked into operator.Utilize this HeNB that the process that UE inserts home network or local internet can be repeated no more at this with reference to the description among the inventive method embodiment of front.
The embodiment of the invention also provides a kind of MME, and is as shown in Figure 6, is a kind of structural representation of this MME.
In this embodiment, said MME600 comprises: receiving element 601, judging unit 602, second carry and set up unit 603, transmitting element 604.Wherein:
Receiving element 601 is used to receive the attach request of the UE that HeNB transmits;
Judging unit 602, whether needs carry out local IP access to be used for confirming UE according to the information that said attach request UE provides;
Transmitting element 604 is used for sending to HeNB for the local IP of UE inserts the SAE carrying of setting up.
In embodiments of the present invention, said judging unit 602, whether needs are linked into a plurality of home networks simultaneously also can be further used for confirming UE according to the information that UE in the said attach request provides; Correspondingly; Unit 603 is set up in said second carrying; Also be used for after said judging unit 602 confirms that UE need be linked into a plurality of home networks simultaneously, setting up the binding relationship that carries carrying of indication home network and home network APN in the request message at said initial context.
Need to prove that the structure of above-mentioned MME is divided from logic function, wherein each functional unit can be a module independently, also can part or all of functional unit be integrated in the same module.That is to say that in practical application, according to application need, said MME can also have other versions.
The MME of the embodiment of the invention can confirm that the UE needs carry out local IP and insert according to the information that UE provides, thereby set up the SAE carrying for the local IP of UE inserts, and HeNB is carried according to said SAE UE is inserted home network or local internet.Detailed process can repeat no more at this with reference to the description among the inventive method embodiment of front.
The embodiment of the invention also provides a kind of system that realizes that the local IP of subscriber equipment inserts, and said system comprises HeNB and MME.Wherein:
Said HeNB is used to receive the attach request of UE, and said attach request is sent to MME;
Said MME is used for confirming that according to the information that said attach request UE provides the UE needs carry out local IP and insert, and sets up the SAE carrying for the local IP of UE inserts, and said SAE carrying is sent to said HeNB;
Said HeNB also is used to receive the SAE carrying for the local IP access of UE foundation of said MME transmission, carries through said SAE UE is linked into home network or local internet.
The concrete structure of said HeNB and MME can repeat no more at this with reference to the description in the embodiment of the invention of front.
More than the embodiment of the invention has been carried out detailed introduction, used embodiment among this paper the present invention set forth, the explanation of above embodiment just is used for help understanding method and apparatus of the present invention; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that on embodiment and range of application, all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (13)
1. a method that realizes that the local IP of subscriber equipment inserts is characterized in that, comprising:
Home eNodeB HeNB receives the attach request of UE, and said attach request is sent to Mobility Management Entity MME;
The information that MME provides according to UE in the said attach request confirms that the UE needs carry out local IP and insert;
The initial context that receives the MME transmission is set up request message;
Be sky if said initial context is set up the transport layer address parameter and the GPRS tunnel protocol GTP tunnel information parameter that carry in the request message, the SAE carrying of then confirming MME foundation is the SAE carrying of setting up for the local IP access of UE; Perhaps
If said initial context is set up and do not carried transport layer address parameter and GTP tunnel information parameter in the request message, confirm that then the SAE carrying that MME sets up is to carry for the local IP of UE inserts the SAE that sets up; Perhaps
If said initial context is set up the IP address that the transport layer address parameter of carrying in the request message is HeNB, confirm that then the SAE carrying that MME sets up is to carry for the local IP of UE inserts the SAE that sets up;
Through said SAE carrying UE is linked into home network or local internet.
2. method according to claim 1 is characterized in that, said method also comprises:
HeNB returns initial context to MME and sets up response message; Said initial context is set up the transport layer address parameter and the GTP tunnel information parameter that carry in the response message and is sky; Perhaps said initial context is set up and is not carried transport layer address parameter and GTP tunnel information parameter in the request message, and perhaps said initial context is set up the IP address that the transport layer address parameter of carrying in the response message is HeNB.
3. method according to claim 1 is characterized in that, said method also comprises:
If MME confirms UE and need be linked into a plurality of home networks simultaneously, then set up the binding relationship that carries carrying of indication home network and home network APN APN in the request message at said initial context;
HeNB sets up the home network that carries MME indication in the response message at said initial context and carries the binding relationship with home network APN, and indicates the carrying of successfully foundation and the beared information of failure.
4. according to each described method of claim 1 to 3, it is characterized in that said the carrying through said SAE is linked into home network or local internet comprises with UE:
HeNB will be routed in home network or the local internet with the data that said SAE carries the UE that receives on the corresponding radio bearer of eating dishes without rice or wine.
5. a Home eNodeB is characterized in that, comprising:
The user side receiving element is used to receive the attach request of UE;
The network side transmitting element is used for said attach request is sent to MME;
The unit is set up in first carrying, is used to obtain the SAE carrying for the local IP access of UE foundation of MME transmission; Insert processing unit, be used for UE being linked into home network or local internet through said SAE carrying;
Said first carrying is set up the unit and is comprised:
Receive subelement, be used to receive the initial context that MME sends and set up request message;
Confirm subelement, be used for setting up the information of request message, confirm that the SAE carrying that MME sets up is to carry for the local IP of UE inserts the SAE that sets up according to said initial context;
Said definite subelement is discerned said initial context and is set up the transport layer address parameter of carrying in the request message and GTP tunnel information parameter for empty; Perhaps said initial context is set up and is not carried transport layer address parameter and GTP tunnel information parameter in the request message; Perhaps said initial context is set up and is carried the IP address that the transport layer address parameter is said Home eNodeB in the request message, confirms that the SAE carrying that MME sets up is to carry for the local IP of UE inserts the SAE that sets up.
6. Home eNodeB according to claim 5 is characterized in that,
Said network side transmitting element; Also be used for returning initial context and set up response message to MME; Said initial context is set up the transport layer address parameter and the GTP tunnel information parameter that carry in the response message and is sky; Perhaps said initial context is set up and is not carried transport layer address parameter and GTP tunnel information parameter in the request message, and perhaps said initial context is set up the IP address that the transport layer address parameter of carrying in the request message is said Home eNodeB.
7. Home eNodeB according to claim 5 is characterized in that, said initial context is set up the home network that carries MME indication in the response message and carried the binding relationship with home network APN, and indicates the carrying of successfully foundation and the beared information of failure.
8. according to each described Home eNodeB of claim 5 to 7, it is characterized in that said access processing unit will be routed in home network or the local internet with the data that said SAE carries the UE that receives on the corresponding radio bearer of eating dishes without rice or wine.
9. a Mobility Management Entity is characterized in that, comprising:
Receiving element is used to receive the attach request of the UE that Home eNodeB HeNB transmits;
Judging unit, whether needs carry out local IP access to be used for confirming UE according to the information that said attach request UE provides;
The unit is set up in second carrying, is used for after said judging unit confirms that UE need carry out local IP access, setting up the SAE carrying for the local IP of UE inserts;
Transmitting element is used for sending to HeNB for the local IP of UE inserts the SAE carrying of setting up;
The unit is set up in said second carrying; Setting up request message through initial context is that the SAE carrying is set up in the local IP access of UE; Said initial context is set up transport layer address parameter that request message carries and GTP tunnel information parameter for empty; Perhaps said initial context is set up and is not carried transport layer address parameter and GTP tunnel information parameter in the request message, and perhaps said initial context is set up the IP address that the transport layer address parameter of carrying in the request message is HeNB.
10. Mobility Management Entity according to claim 9 is characterized in that,
Said judging unit, whether needs are linked into a plurality of home networks simultaneously also to be used for confirming UE according to the information that said attach request UE provides;
The unit is set up in said second carrying, also is used for after said judging unit confirms that UE need be linked into a plurality of home networks simultaneously, sets up the binding relationship that carries carrying of indication home network and home network APN in the request message at said initial context.
11. a system that realizes that the local IP of subscriber equipment inserts is characterized in that, comprises Home eNodeB and Mobility Management Entity;
Said Home eNodeB is used to receive the attach request of UE, and said attach request is sent to Mobility Management Entity;
Said Mobility Management Entity; Be used for confirming that according to the information that said attach request UE provides the UE needs carry out local IP and insert; Setting up request message through initial context is that the SAE carrying is set up in the local IP access of UE; Said initial context is set up transport layer address parameter that request message carries and GTP tunnel information parameter for empty; Perhaps said initial context is set up and is not carried transport layer address parameter and GTP tunnel information parameter in the request message, and perhaps said initial context is set up the IP address that the transport layer address parameter of carrying in the request message is HeNB, and said SAE carrying is sent to said Home eNodeB;
Said Home eNodeB also is used to receive the SAE carrying for the local IP access of UE foundation of said Mobility Management Entity transmission, carries through said SAE UE is linked into home network or local internet.
12. system according to claim 11 is characterized in that, said Home eNodeB is each described Home eNodeB of claim 5 to 8.
13. system according to claim 11 is characterized in that, said Mobility Management Entity is claim 9 or 10 described Mobility Management Entity.
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| CN102111903B (en) * | 2011-01-13 | 2013-07-24 | 大唐移动通信设备有限公司 | Method, system and equipment for establishing LIPA connection |
| CN102790957A (en) * | 2011-05-18 | 2012-11-21 | 中兴通讯股份有限公司 | Method and system for triggering CS fallback (CSFB) flow when user equipment (UE) is in disconnected status |
| CN103297947B (en) | 2012-02-22 | 2018-06-26 | 中兴通讯股份有限公司 | A kind of method and system for realizing local IP operation |
| CN107333338B (en) * | 2016-04-29 | 2020-02-21 | 中国电信股份有限公司 | Dynamic bearer policy control method, device and communication network based on LIPA |
| CN108024204B (en) * | 2016-10-31 | 2020-04-28 | 华为技术有限公司 | Local network connection method, device and system |
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