CN101720119B - Method and system for realizing PDN connecting selection - Google Patents
Method and system for realizing PDN connecting selection Download PDFInfo
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- CN101720119B CN101720119B CN2009100857216A CN200910085721A CN101720119B CN 101720119 B CN101720119 B CN 101720119B CN 2009100857216 A CN2009100857216 A CN 2009100857216A CN 200910085721 A CN200910085721 A CN 200910085721A CN 101720119 B CN101720119 B CN 101720119B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/16—Gateway arrangements
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Abstract
The invention provides a method and a system for realizing the PDN connecting selection, comprising the following steps of: acquiring a PDN connecting selection policy by a terminal; selecting a PDN connecting gateway according to the acquired PDN connecting selection policy; and finally establishing PDN connection by the selected PDN connecting gateway. The PDN connection is established by the selected local access gateway or an access gateway of a core network, thereby reasonably utilizing network resources to maximum extent, not only reducing resource occupation on a mobile core network and ensuring that users more rapidly and conveniently use services provided by Internet, but also meeting the requirement of distribution service of operators.
Description
Technical field
The present invention relates to the home base station network technology, refer to especially that the local IP of a kind of introducing inserts in the home base station network of (LIPA, local IPaccess) to realize that packet data network (PDN, Packet Data Network) connects the method and system of selecting.
Background technology
Home eNodeB is a kind of small-sized, lower powered base station, is deployed in indoor places such as family and office.The main effect of Home eNodeB is higher service rate to the user to be provided, and reduces and use the needed expense of high rate services, remedies the deficiency that existing distributed cellular radio communication system covers simultaneously.The advantage of Home eNodeB is economical, convenient, low-power output, plug and play etc.
The user can be through the resource of direct access internet of Home eNodeB and home network, to realize the local IP access function of Home eNodeB.Through the LIPA mode, on the one hand can reduce resource occupation to mobile core network, and the user's business that can use Internet to provide more fast, easily; On the other hand, also can satisfy the professional demand of operator's shunting.
Fig. 1 is a kind of connection sketch map of home base station network in the prior art, and as shown in Figure 1, Home eNodeB is directly connected to core net.Fig. 2 is that the another kind of home base station network in the prior art connects sketch map, and as shown in Figure 2, Home eNodeB is connected to core net through femto gateway.Wherein, Mainly acting as of femto gateway: the fail safe of checking Home eNodeB, handle the registration of Home eNodeB, Home eNodeB is carried out operation maintenance management; According to Carrier Requirements configuration and control Home eNodeB, be responsible for the data of exchcange core net and home base station network.IAD in the core net can be gateway (S-GW; ServingGateway), packet data network gateway (P-GW; Packet Data Network Gateway), Serving GPRS Support Node (SGSN; Serving GPRS Support Node), Gateway GPRS Support Node (GGSN, Gateway GPRS Support Node).The Authentication Authorization server is used for the core database of storing user data information, stores authentication information, business information of user etc.Interface between Home eNodeB and the femto gateway can adopt S1 Application Protocol (S1AP, S1Application Protocol) to realize.
Home eNodeB also supports local IP to insert except the access of supporting mobile core network, to realize the terminal this locality of other IP devices of home network (like printer, facsimile machine, PC etc.) or Internet is inserted.As depicted in figs. 1 and 2, local access network closes to be provided technological the providing powerful support for of local IP access, and local access network closes to close with Home eNodeB to be established.With Long Term Evolution (LTE; Long Term Evolution) the mobile communications network framework is an example; Fig. 3 is the data flow sketch map that the local IP of Home eNodeB in the prior art inserts; As shown in Figure 3, thick two-way solid line representes to insert through the local IP of Home eNodeB the data flow of the local IP access of realizing, thick two-way dotted line representes that Home eNodeB passes through the data flow of the IP core network visit of core net access.
As shown in Figure 3, based on the home base station network that exists local access network to close, when the PDN connection is initiated to set up in the terminal, can close through local access network and set up the PDN connection, also can set up PDN and connect through the IAD of core net.In addition, utilize existing PDN to connect when initiating business at the terminal, can close visit through local access network too, perhaps visit through the IAD of core net.But, how to select PDN to connect gateway for the terminal at present, so that utilize the problem of Internet resources to greatest extent and reasonably, do not provide solution.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of PDN of realization to connect the method for selecting, and can guarantee the reasonable utilization of Internet resources through PDN being connected the choose reasonable of gateway.
Another object of the present invention is to provide a kind of PDN of realization to connect the system of selecting, can guarantee the reasonable utilization of Internet resources through PDN being connected the choose reasonable of gateway.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of PDN that realizes connects the method for selecting, and this method comprises:
The terminal obtains PDN and connects selection strategy;
Connect selection strategy according to the PDN that obtains; When the service attribute in the said PDN connection selection strategy is local service; Select the local access network of home base station network to close as PDN connection gateway; When said service attribute is non-local service, selects the IAD of core net to connect gateway, and connect gateway realization PDN connection through the PDN that selects as PDN.
Said method also comprised before said terminal obtained PDN connection selection strategy: in strategic server, be provided with and preserve said PDN in advance and connect selection strategy.
It is the corresponding relation of service attribute and business information that said PDN connects selection strategy;
Perhaps, the corresponding relation of the service attribute and the network segment;
Perhaps, the service attribute and, the corresponding relation of the combination of the business information and the network segment;
Said service attribute is local service or non-local service;
Said business information is a type of service;
The said network segment is a network segment, or the combination of a plurality of network segments;
Said PDN connects selection strategy and is used for selecting PDN to connect gateway according to the corresponding service attribute, and when service attribute was local service, PDN connected the local access network pass that gateway is a home base station network; When service attribute was non-local service, it was the IAD of core net that PDN connects gateway.
The method that said terminal obtains PDN connection selection strategy is:
Said terminal after inserting core net, the selection strategy that initiatively connects, and the PDN that obtains is connected selection strategy be kept at this locality to strategic server request PDN;
Said terminal is the terminal of signatory local IP operation.
This method also comprises: said strategic server sends PDN connection selection strategy through the decision-making back and gives the terminal; Said decision-making specifically comprises:
Said strategic server connects selection strategy with identical PDN and sends to said terminal;
Perhaps, said strategic server is according to the signing service at terminal, and the method for selecting said selection PDN to connect gateway the PDN connection of corresponding signing service is:
Said terminal is when setting up the PDN connection, if connect selection strategy according to said PDN, current business is corresponding with local service, then after the terminal is adhered to successfully, selects the local access network of home base station network to close as PDN connection gateway; If connect selection strategy according to said PDN, current business is corresponding with non-local service, then after the terminal is adhered to successfully, selects the IAD of core net to connect gateway as PDN;
Said terminal uses existing PDN to connect when initiating business, if connect selection strategy according to said PDN, current business is corresponding with local service, and then the terminal selects the local access network of home base station network to connect gateway as PDN; If connect selection strategy according to said PDN, current business is corresponding with non-local service, and then the terminal selects the IAD of core net to connect gateway as PDN.
This method also comprises:
When said strategic server has upgraded the PDN connection selection strategy of self storing, issue update notification to all signatory local services and at the terminal that said strategic server was registered; After update notification was received at said terminal, initiatively the PDN after the strategic server request is upgraded connected selection strategy, and the PDN of the local storage of renewal connects selection strategy.
Before said strategic server issues update notification or initiatively issues PDN connection selection strategy; This method also comprises: indicate to strategic server transmission demand at said terminal; Need PDN to connect selection strategy if the demand indication shows, then said strategic server connects selection strategy with PDN and is handed down to the terminal;
Do not need PDN to connect selection strategy if the demand indication shows, said strategic server can not connect selection strategy with PDN and be handed down to the terminal.
A kind of PDN that realizes connects the system of selecting, and this system comprises that at least terminal, strategic server, Home eNodeB/local access network close, the IAD of core net, wherein,
Strategic server links to each other with the terminal, is used to set in advance and preserves PDN connect selection strategy; Receive the PDN of self terminal to connect the selection strategy request, and be handed down to the terminal;
The terminal is used for initiating PDN to strategic server and connects the selection strategy request, and the PDN that receives and store from strategic server connects selection strategy; Connect selection strategy according to the PDN that obtains; When current business during corresponding to local service; Then select local access network to close and connect gateway as PDN; When current business during, select the IAD of core net to connect gateway, and connect gateway through the PDN that selects and set up PDN and connect as PDN corresponding to non-local service.
Said strategic server also is used for, and upgrades the PDN that self stores and connects selection strategy, issues update notification to all signatory local services and at the terminal that strategic server was registered;
Said terminal also is used for, and receives update notification, sends PDN to strategic server and connects the selection strategy request.
Said terminal also is used for, and the demand of self is indicated send to strategic server, needs PDN to connect selection strategy if the demand indication shows, said strategic server connects selection strategy with PDN and is handed down to the terminal; Do not need PDN to connect selection strategy if the demand indication shows, said strategic server can not connect selection strategy with PDN and be handed down to the terminal.
This system also comprises the femto gateway that connects Home eNodeB and core net.
Can find out that from the technical scheme that the invention described above provides the terminal obtains PDN and connects selection strategy, connects selection strategy according to the PDN that obtains, select PDN to connect gateway, set up PDN through the PDN connection gateway of selecting at last and connect.Realize that through the local access network pass of the present invention's selection or the IAD of core net PDN connects; Utilized the problem of Internet resources to greatest extent and reasonably; Reduced resource occupation on the one hand, and guaranteed the business that the user uses Internet to provide more fast, easily mobile core network; On the other hand, also satisfied the professional demand of operator's shunting.
Description of drawings
Fig. 1 is a kind of connection sketch map of home base station network in the prior art;
Fig. 2 is that the another kind of home base station network in the prior art connects sketch map;
Fig. 3 is the data flow sketch map that the local IP of Home eNodeB in the prior art inserts;
Fig. 4 connects the flow chart of the method for selecting for the present invention realizes PDN;
Fig. 5 connects the composition structural representation of the system of selecting for the present invention realizes PDN;
Fig. 6 connects the schematic flow sheet of the embodiment of the PDN foundation that realizes through selection PDN for the present invention;
Fig. 7 connects the schematic flow sheet of the embodiment of the service request that realizes for invention through selecting PDN.
Embodiment
Fig. 4 connects the flow chart of the method for selecting for the present invention realizes PDN, and as shown in Figure 4, the inventive method may further comprise the steps:
Step 400: the terminal obtains PDN and connects selection strategy.
PDN connects selection strategy and is used for selecting PDN to connect gateway according to the corresponding service attribute, and when service attribute was local service, PDN connected the local access network pass that gateway is a home base station network; When service attribute was non-local service, it was the IAD of core net that PDN connects gateway, is provided with in advance and is kept in the strategic server.Strategic server links to each other with the terminal, and its interface can adopt OMA DM agreement to realize.Strategic server comprises data management and control function, can provide network to find and selection auxiliary data or other network strategy based on carrier policy.Can initiate transfer of data to the terminal according to network-triggered, also can respond the request of self terminal.Strategic server can be the ANDSF network element, also can be other tactful network elements that corresponding strategy is provided.
It can be service attribute that PDN connects selection strategy, with the corresponding relation of the business information or the network segment; It also can be service attribute and, the corresponding relation of the combination of the business information and the network segment.Wherein, service attribute can be local service, non-local service.Business information can be distinguished with type of service, such as IP operation, and other business such as facsimile service.The network segment can be a network segment, also can be a plurality of network segment combinations.PDN among the present invention connects selection strategy and does not limit to above-mentioned corresponding relation, as long as this corresponding relation can satisfy the professional demand of operator's shunting.What stress here is, PDN is set in advance connects selection strategy, makes suitable selection so that PDN is connected gateway, and carries out rational PDN and connect.
The terminal obtains PDN and connects selection strategy and specifically comprise in this step:
The terminal of signatory local IP operation after inserting core net, the selection strategy that initiatively connects, and the PDN that obtains is connected selection strategy be kept at this locality to strategic server request PDN.Strategic server connects selection strategy through decision-making back transmission PDN and gives the terminal, and decision-making specifically comprises: the PDN that strategic server sends to the terminal connects selection strategy, can be unified PDN connection selection strategy, and the strategy that promptly sends to all terminals is all the same; Also can connect selection strategy for the PDN based on the terminal, the PDN connection selection strategy that promptly sends to the terminal is to select according to the signing service at terminal, and the PDN that has wherein deleted the non-signing service item in terminal connects selection strategy.
Further, connect selection strategy, issue update notification to all signatory local IP operations and at the terminal that strategic server was registered if strategic server has upgraded the PDN of self storage; After update notification was received at the terminal, initiatively the PDN after the strategic server request is upgraded connected selection strategy, and the PDN of the local storage of renewal connects selection strategy.
Further, the terminal can also send to strategic server with the demand of self.Such as: the terminal of signatory local IP operation needs PDN to connect selection strategy to the indication of strategic server transmission demand if the demand indication shows, so, strategic server connects selection strategy with PDN and is handed down to the terminal; Do not need PDN to connect selection strategy if the demand indication shows, even the terminal unit contractual local service, so, strategic server can not connect selection strategy with PDN and be handed down to the terminal.
Step 401: the terminal connects selection strategy according to the PDN that obtains, and selects PDN to connect gateway.
The terminal is when setting up the PDN connection, and connecting selection strategy with PDN serves as according to judging, utilizing different APN to set up different PDN and connect.If current business is that local service is as inserting Internet; It is corresponding with local service to connect selection strategy according to PDN; Then the APN that carries local IP when PDN connects is set up to core network requests in the terminal; Like this, after the terminal was adhered to successfully, the terminal selected the local access network of home base station network to connect gateway as PDN; If connecting selection strategy according to PDN, end message judges current business corresponding to non-local service; Like phone, fax; Then the APN that carries non-local IP when PDN connects is set up to core network requests in the terminal; Like this, after the terminal is adhered to successfully, select the IAD of core net to connect gateway as PDN.
Use existing PDN to connect when initiating business at the terminal; Connecting selection strategy with PDN serves as according to judging; If current business is corresponding to local service, then the terminal utilizes the LIPAIP address, and the terminal selects the local access network of home base station network to connect gateway as PDN; Judge corresponding to non-local service if end message connects selection strategy according to PDN, then the terminal utilizes the IP core network address, selects the IAD of core net to connect gateway as PDN.
Step 402: connect gateway through the PDN that selects and realize that PDN connects.
The concrete realization of this step belongs to prior art; Here repeat no more; It is emphasized that the local access network of selecting through step 401 of the present invention closes or the IAD of core net realizes that PDN connects, and has utilized the problem of Internet resources to greatest extent and reasonably; Reduced resource occupation on the one hand, and guaranteed the business that the user uses Internet to provide more fast, easily mobile core network; On the other hand, also satisfied the professional demand of operator's shunting.
To method shown in Figure 4; The present invention also provides a kind of PDN of realization to connect the system of selecting, and Fig. 5 connects the composition structural representation of the system of selecting for the present invention realizes PDN, and is as shown in Figure 5; This system comprises that at least terminal, strategic server, Home eNodeB/local access network close; The IAD of core net, wherein
Strategic server links to each other with the terminal, is used to set in advance and preserves PDN connect selection strategy; Receive the PDN of self terminal to connect the selection strategy request, and be handed down to the terminal;
The terminal is used for initiating PDN to strategic server and connects the selection strategy request, and the PDN that receives and store from strategic server connects selection strategy; Connect selection strategy based on the PDN that obtains, select the IAD of local access network pass or core net to connect gateway, and realize that through the PDN connection gateway of selecting PDN connects as PDN.In Fig. 5, the access stream that thick single-point is scribed ss local service is to signal, and the access stream that thick double dot dash line is non-local service is to signal.
When setting up PDN and connect, connecting selection strategy with PDN serves as according to judging, if current business corresponding to local service, then after the terminal is adhered to successfully, the local access network through home base station network carries out PDN and connects; If current business is corresponding to non-local service, then after the terminal is adhered to successfully, the IAD through core net carries out PDN and connects;
Use existing PDN to connect to initiate at the terminal when professional, connecting selection strategy with PDN serves as according to judging, if current business corresponding to local service, then the local access network of terminal through home base station network carries out business and transmits; If go out current business corresponding to non-local service, then the terminal selects the IAD of core net to carry out the business transmission.
Said strategic server also is used for, and upgrades the PDN that self stores and connects selection strategy, issues update notification to all signatory local services and at the terminal that strategic server was registered;
Said terminal also is used for, and is receiving update notification, sends PDN to strategic server and connects the selection strategy request.
Said terminal also is used for, and the demand of self is indicated send to strategic server, needs PDN to connect selection strategy if the demand indication shows, said strategic server connects selection strategy with PDN and is handed down to the terminal; Do not need PDN to connect selection strategy if demand indication shows, though terminal unit contractual local IP operation, said strategic server can not connect selection strategy with PDN and be handed down to the terminal.
System of the present invention can also comprise the femto gateway that connects Home eNodeB and core net.
Below in conjunction with embodiment the inventive method is described in detail.
Fig. 6 connects the schematic flow sheet of the embodiment of the PDN foundation that realizes through selection PDN for the present invention; In the present embodiment; Supposing does not for convenience have femto gateway between Home eNodeB and the core net, and the local access network pass is closed with Home eNodeB and is located in the entity.Suppose that the terminal is linked into the EPC system through 3GPP Access Network or non-3 GPP access network.Before PDN connected foundation, the terminal utilizes from the PDN connection selection strategy of strategic server acquisition and initiates PDN foundation, and was as shown in Figure 6, specifically comprises the steps:
Step 600: terminal discovery strategy server, send access network request message to strategic server.Carry identity information such as the IMSI or the ISDN etc. at terminal ability information, terminal positional information, terminal in this access network request message.
Step 601: strategic server is to subscribed database requesting terminal subscription data.
Connect selection strategy if the strategy that strategic server issues is unified PDN, strategic server need only whether signatory local IP operation gets final product to the subscribed database requesting terminal so; If the strategy that strategic server issues connects selection strategy for the PDN based on the terminal, strategic server must be to the signing service of subscribed database requesting terminal so.Wherein, subscribed database can be HSS, also can be UDR.
Step 602～step 603: strategic server carries out strategic decision-making according to the signing service at terminal, and the PDN after will making a strategic decision connects selection strategy and sends to through the access network message response and signatoryly local IP operation is arranged and to terminal that strategic server was registered.
In the present embodiment; Suppose that it is the relevant strategy of business information that PDN connects selection strategy; And the strategy that strategic server sends to the terminal connects selection strategy for the PDN based on the terminal, and then strategic server deletion PDN connects the PDN connection selection strategy of the non-signing service item at terminal in the selection strategy.
Step 604: the message trigger registration process is adhered to through start in the terminal.Start is adhered to the APN that carries in the message and is mainly selected through following method.
Suppose that PDN connection selection strategy is the relevant strategy of business information in the present embodiment; The current business in terminal is to hope to insert Internet; And the terminal connects selection strategy according to PDN and judges current business corresponding to local service, and then the APN that carries local IP in the message is adhered to the start of core net initiation in the terminal.
For another example; Suppose that PDN connection selection strategy is the relevant strategy of the network segment in the present embodiment; The terminal is from establishing the network segment for inserting the used network segment of Internet; And the terminal connects selection strategy according to PDN to be judged self network segment and belongs to the local IP operation network segment, and the APN that carries local IP in the message is adhered in the start of then initiating to core net.
Step 605: Home eNodeB adheres to message in the process of core net, the access module of reporting terminal and femtocell information in the forwarding start.
Step 606; If core net is not received explicit access control indication; Just think that network side need not accomplish access control, only need carry out the differentiation on the user class, distribute the various network resource according to base station mode or the user category information that femto gateway reports.Femtocell information such as CSG ID, Home eNodeB sign etc. are used for carrying out differentiated charging.
Step 607: hypothesis core Netcom crosses Home eNodeB and sends to the terminal and adhere to success message in the present embodiment.
Step 608: the start attachment flow is accomplished at the terminal, and sets up the PDN connection through the local access network pass.
The concrete realization of step 605～step 608 belongs to those skilled in the art's conventional techniques means; Here repeat no more; Need benly be; The terminal is to realize that through the IAD of the local access network pass of the present invention's selection or core net PDN connects, and has utilized the problem of Internet resources to greatest extent and reasonably.
Fig. 7 connects the schematic flow sheet of the embodiment of the service request that realizes for invention through selecting PDN; In the present embodiment; Supposing does not for convenience have femto gateway between Home eNodeB and the core net, and the local access network pass is closed with Home eNodeB and is located in the entity.Suppose that the terminal is linked into the EPC system through 3GPP Access Network or non-3 GPP access network.Before PDN connected foundation, the terminal utilizes from the PDN connection selection strategy of strategic server acquisition and initiates PDN foundation, and was as shown in Figure 7, specifically comprises the steps:
Step 700: terminal discovery strategy server, send access network request message to strategic server.Carry identity information such as the IMSI or the ISDN etc. at terminal ability information, terminal positional information, terminal in this access network request message.
Step 701: strategic server is to subscribed database requesting terminal subscription data.
Connect selection strategy if the strategy that strategic server issues is unified PDN, strategic server need only whether signatory local IP operation gets final product to the subscribed database requesting terminal so; If the strategy that strategic server issues connects selection strategy for the PDN based on the terminal, strategic server must be to the signing service of subscribed database requesting terminal so.Wherein, subscribed database can be HSS, also can be UDR.
Step 702～step 703: strategic server carries out strategic decision-making according to the signing service at terminal, and the PDN after will making a strategic decision connects selection strategy and sends to through the access network request response message and signatoryly local IP operation is arranged and to terminal that strategic server was registered.
In the present embodiment; Suppose that it is the relevant strategy of business information that PDN connects selection strategy; And the strategy that strategic server sends to the terminal connects selection strategy for the PDN based on the terminal, and then strategic server deletion PDN connects the PDN connection selection strategy of the non-signing service item at terminal in the selection strategy.
Step 704: the terminal connects selection strategy based on PDN makes a strategic decision, and selects PDN to connect and carries out the business transmission, and send business request information to Home eNodeB.
Suppose that PDN connection selection strategy is the relevant strategy of business information in the present embodiment; The current business in terminal is non-local IP operation; And the terminal connects selection strategy according to PDN and judges current business corresponding to non-local service; Then the terminal carries the IP core network address in the business request information that core net is initiated, and selects IP core network to carry out the business transmission.
For another example; Suppose that PDN connection selection strategy is the relevant strategy of the network segment in the present embodiment; The terminal is the used network segment of non-local IP operation from establishing the network segment; And the terminal connects selection strategy according to PDN and judges self network segment corresponding to the non-local service network segment, then in the business request information that core net is initiated, carries the IP core network address, selects IP core network to carry out business and transmits.
Step 705, Home eNodeB is being transmitted business request information in the process of core net, the access module of reporting terminal and femtocell information.
Step 706; If core net is not received explicit access control indication; Just think that network side need not accomplish access control, only need carry out the differentiation on the user class, distribute the various network resource according to base station mode or the user category information that femto gateway reports.Femtocell information such as CSG ID, Home eNodeB sign etc. are used for carrying out differentiated charging.
Step 707: hypothesis core Netcom crosses Home eNodeB and sends the service request success message to the terminal in the present embodiment.
Step 708: after service request was accomplished at the terminal, the IAD through core net carries out business to be transmitted.
The concrete realization of step 705～step 708 belongs to those skilled in the art's conventional techniques means; Here repeat no more; Need benly be; The terminal is to realize that through the IAD of the local access network pass of the present invention's selection or core net PDN connects, and has utilized the problem of Internet resources to greatest extent and reasonably.
The above is merely preferred embodiment of the present invention, is not to be used to limit protection scope of the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. realize that packet data network PDN connects the method for selecting, and is characterized in that this method comprises for one kind:
The terminal obtains PDN and connects selection strategy;
Connect selection strategy according to the PDN that obtains; When the service attribute in the said PDN connection selection strategy is local service; Select the local access network of home base station network to close as PDN connection gateway; When said service attribute is non-local service, selects the IAD of core net to connect gateway, and connect gateway realization PDN connection through the PDN that selects as PDN.
2. method according to claim 1 is characterized in that, said method also comprised before said terminal obtained PDN connection selection strategy: in strategic server, be provided with and preserve said PDN in advance and connect selection strategy.
3. method according to claim 2 is characterized in that, it is the corresponding relation of service attribute and business information that said PDN connects selection strategy;
Perhaps, the corresponding relation of the service attribute and the network segment;
Perhaps, the service attribute and, the corresponding relation of the combination of the business information and the network segment;
Said service attribute is local service or non-local service;
Said business information is a type of service;
The said network segment is a network segment, or the combination of a plurality of network segments;
Said PDN connects selection strategy and is used for selecting PDN to connect gateway according to the corresponding service attribute, and when service attribute was local service, PDN connected the local access network pass that gateway is a home base station network; When service attribute was non-local service, it was the IAD of core net that PDN connects gateway.
4. method according to claim 2 is characterized in that, the method that said terminal obtains PDN connection selection strategy is:
Said terminal after inserting core net, the selection strategy that initiatively connects, and the PDN that obtains is connected selection strategy be kept at this locality to strategic server request PDN;
Said terminal is the terminal of signatory local IP operation.
5. method according to claim 4 is characterized in that, this method also comprises: said strategic server sends PDN connection selection strategy through the decision-making back and gives the terminal; Said decision-making specifically comprises:
Said strategic server connects selection strategy with identical PDN and sends to said terminal;
Perhaps, said strategic server is according to the signing service at terminal, the PDN of corresponding signing service connected selection strategy send to the terminal.
6. method according to claim 3 is characterized in that, the method that said selection PDN connects gateway is:
Said terminal is when setting up the PDN connection, if connect selection strategy according to said PDN, current business is corresponding with local service, then after the terminal is adhered to successfully, selects the local access network of home base station network to close as PDN connection gateway; If connect selection strategy according to said PDN, current business is corresponding with non-local service, then after the terminal is adhered to successfully, selects the IAD of core net to connect gateway as PDN;
Said terminal uses existing PDN to connect when initiating business, if connect selection strategy according to said PDN, current business is corresponding with local service, and then the terminal selects the local access network of home base station network to connect gateway as PDN; If connect selection strategy according to said PDN, current business is corresponding with non-local service, and then the terminal selects the IAD of core net to connect gateway as PDN.
7. method according to claim 2 is characterized in that, this method also comprises:
When said strategic server has upgraded the PDN connection selection strategy of self storing, issue update notification to all signatory local services and at the terminal that said strategic server was registered; After update notification was received at said terminal, initiatively the PDN after the strategic server request is upgraded connected selection strategy, and the PDN of the local storage of renewal connects selection strategy.
8. according to claim 2 or 7 described methods; It is characterized in that; Before said strategic server issues update notification or initiatively issues PDN connection selection strategy; This method also comprises: said terminal needs PDN to connect selection strategy to the indication of strategic server transmission demand if the demand indication shows, then said strategic server connects selection strategy with PDN and is handed down to the terminal;
Do not need PDN to connect selection strategy if the demand indication shows, said strategic server can not connect selection strategy with PDN and be handed down to the terminal.
9. realize that packet data network PDN connects the system of selecting for one kind, it is characterized in that this system comprises that at least terminal, strategic server, Home eNodeB/local access network close, the IAD of core net, wherein,
Strategic server links to each other with the terminal, is used to set in advance and preserves PDN connect selection strategy; Receive the PDN of self terminal to connect the selection strategy request, and be handed down to the terminal;
The terminal is used for initiating PDN to strategic server and connects the selection strategy request, and the PDN that receives and store from strategic server connects selection strategy; Connect selection strategy according to the PDN that obtains; When current business during corresponding to local service; Select local access network to close and connect gateway as PDN; When current business during, select the IAD of core net to connect gateway, and connect gateway through the PDN that selects and set up PDN and connect as PDN corresponding to non-local service.
10. system according to claim 9 is characterized in that said strategic server also is used for, and upgrades the PDN that self stores and connects selection strategy, issues update notification to all signatory local services and at the terminal that strategic server was registered;
Said terminal also is used for, and receives update notification, sends PDN to strategic server and connects the selection strategy request.
11. according to claim 9 or 10 described systems, it is characterized in that,
Said terminal also is used for, and the demand of self is indicated send to strategic server, needs PDN to connect selection strategy if the demand indication shows, said strategic server connects selection strategy with PDN and is handed down to the terminal; Do not need PDN to connect selection strategy if the demand indication shows, said strategic server can not connect selection strategy with PDN and be handed down to the terminal.
12. system according to claim 9 is characterized in that, this system also comprises the femto gateway that connects Home eNodeB and core net.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100857216A CN101720119B (en) | 2009-05-27 | 2009-05-27 | Method and system for realizing PDN connecting selection |
| PCT/CN2009/075296 WO2010135888A1 (en) | 2009-05-27 | 2009-12-03 | Method and system for implementing packet data network connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100857216A CN101720119B (en) | 2009-05-27 | 2009-05-27 | Method and system for realizing PDN connecting selection |
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| CN101720119A CN101720119A (en) | 2010-06-02 |
| CN101720119B true CN101720119B (en) | 2012-06-13 |
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| CN2009100857216A Expired - Fee Related CN101720119B (en) | 2009-05-27 | 2009-05-27 | Method and system for realizing PDN connecting selection |
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| CN102387490B (en) * | 2010-09-03 | 2015-08-12 | 中兴通讯股份有限公司 | A kind of method and system inquiring about local gateway |
| CN102006672A (en) * | 2010-09-28 | 2011-04-06 | 中国联合网络通信集团有限公司 | Service request processing method, communication system and household base station |
| CN102026403A (en) * | 2010-09-28 | 2011-04-20 | 中国联合网络通信集团有限公司 | Method and communication system for processing business requests as well as HNB (home node B) gateway |
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| CN102457983B (en) * | 2010-10-22 | 2014-08-06 | 电信科学技术研究院 | Method and equipment for processing packet data network connection |
| CN102480528B (en) * | 2010-11-24 | 2015-09-16 | 中兴通讯股份有限公司 | IAD system of selection and device |
| CN102480782B (en) * | 2010-11-25 | 2016-03-30 | 中兴通讯股份有限公司 | Gateway method for relocating and source shunting gateway |
| CN102045798B (en) * | 2011-01-11 | 2013-04-10 | 大唐移动通信设备有限公司 | Switching method, system and device |
| JP2014502831A (en) * | 2011-01-14 | 2014-02-03 | インターデイジタル パテント ホールディングス インコーポレイテッド | Local Internet Protocol access connection processing during circuit switched fallback and handover |
| CN102158960B (en) * | 2011-02-16 | 2013-06-12 | 电信科学技术研究院 | Method, system and equipment for establishing LIPA (Local Internet Protocol Access) connection |
| CN102761935A (en) * | 2011-04-26 | 2012-10-31 | 中兴通讯股份有限公司 | Method, system and UE for selecting ePDG/PDNGW |
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| CN101720119A (en) | 2010-06-02 |
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