CN101730192A - Method and device for transmitting access network policy information and interaction system - Google Patents
Method and device for transmitting access network policy information and interaction system Download PDFInfo
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Abstract
The invention discloses a method and a device for transmitting access network policy information, and an interaction system. The method comprises the following steps that: an ANDSF unit receives a request message used for requesting for the access network policy information from user equipment, wherein the request message carries user information of the user equipment; according to the user information, the ANDSF unit acquires a pre-stored association relationship between service information of a service signed by the user equipment and access network information; and the ANDSF unit carries the acquired association relationship in a response message and then transmits the response message to the user equipment. Through the method for transmitting the access network policy information, appropriate access networks can be selected for different services of the same user equipment so as to improve system performance.
Description
Technical field
The present invention relates to the mobile communication technology field, relate in particular to a kind of third generation partner program (3rd Generation Partnership Project, abbreviate 3GPP as) transmitting access network policy, device and interactive system in the grouping system (Evolved Packet System abbreviates EPS as) of evolution.
Background technology
Third generation partner program (3rd Generation Partnership Project, abbreviate 3GPP as) grouping system (the Evolved Packet System of evolution, abbreviate EPS as) by universal mobile telecommunications system land radio access web (the Evolved UniversalTerrestrial Radio Access Network of evolution, abbreviate E-UTRAN as), mobile management unit (Mobility Management Entity, abbreviate MME as), gateway (ServingGateway, abbreviate S-GW as), grouped data network gateway (Packet Data NetworkGateway, abbreviate P-GW or PDN GW as), home subscriber server (HomeSubscriber Server, abbreviate HSS as), authentication and authorization charging (the Authentication of 3GPP, Authorization and Accounting, abbreviate AAA as) server, "Policy and Charging Rules Function (Policy and Charging Rules Function abbreviates PCRF as) entity and other support nodes are formed.
Fig. 1 is the EPS system architecture schematic diagram according to prior art, as shown in Figure 1, moves the related work that MME is responsible for chains of command such as the processing of mobile management, Non-Access Stratum signaling and the contextual management of user's mobile management; S-GW is connected with E-UTRAN, is connected with S-GW by S5 by S1-U interface, transmits data between E-UTRAN and P-GW, and is responsible for pending datas such as paging are carried out buffer memory; P-GW is the borde gateway of EPS and packet data network (Packet Data Network abbreviates PDN as), is responsible for the access of PDN and transmits function such as data between EPS and PDN; Policy control and charging rule functions logic entity (Policy and Charging Rules Function, abbreviate PCRF as) by interface Rx and carrier network agreement (Internet Protocol, abbreviating IP as) business network is connected, obtain business information, in addition, it also is connected with gateway device in the network by the Gx/Gxa/Gxc interface, be responsible for initiating the foundation of IP carrying, guarantee service quality (the Quality of Service of business datum, abbreviate QoS as), and the control of chargeing.
In addition, EPS also supports the intercommunication with non-3 GPP system, as the anchor point between 3GPP and non-3 GPP system, realizes non-logical by P-GW by S2a/b/c interface and non-3GPP.In the system architecture diagram of EPS, non-3 GPP system is divided into the non-3GPP IP access of trusted and trustless non-3GPP IP inserts.The non-3GPP IP of trusted inserts and can directly be connected with P-GW by the S2a interface; Trustless non-3GPP IP inserts packet data gateway (the Evolved Packet Data Gateway that needs through evolution, abbreviate ePDG as) be connected with P-GW, interface between ePDG and P-GW is S2b, S2c provides subscriber equipment (UserEquipment, abbreviate UE as) with relevant control and the mobility support of user's face between the P-GW, the mobility management protocol of its support is for supporting the mobile IP v 6 (MoblieIPv6 Support for Dual Stack Hosts and Routers abbreviates DSMIPv6 as) of two stacks.
In EPS, strategy and charge execution function (Policy and ChargingEnforcement Function abbreviates PCEF as) entity are present among the P-GW, pass through Gx interface exchange message between PCRF and the P-GW.When the interface between P-GW and the S-GW is interface based on PMIPv6, S-GW also has bearing binding and event reporting function (Bearer Binding and Event Report Function, abbreviate BBERF as) entity carries out QoS control to business data flow, between S-GW and the PCRF by Gxc interface exchange message.
When inserting by the non-3GPP connecting system of trusted, the also resident BBERF in the trusted non-3 GPP access network Central Shanxi Plain.Pass through Gxa interface exchange message between trusted non-3 GPP access network pass and the PCRF.
When UE roams, the S9 interface is as the interface of ownership place PCRF and visit ground PCRF, provide professional application function (Application Function for UE simultaneously, abbreviate AF as), send to PCRF by Rx interface and to be used to generate strategy and business information that the control of chargeing (Policyand Charging Control abbreviates PCC as) is tactful.
In 3GPP, can find corresponding PDN network by APN (Access Point Name abbreviates APN as).Usually UE is called the session of an IP connection Access Network (IP Connectivity Access Network abbreviates IP-CAN as) to a connection of PDN network.In the process of setting up the IP-CAN session, BBERF and PCEF set up directly (Diameter) session respectively and between the PCRF, transmit policy, billing information that this IP-CAN session is controlled and the information that is used to generate strategy etc. by the Diameter session.
And EPS supports UE to insert a PDN, i.e. Multiple Access (multiple access) by a plurality of Access Networks simultaneously.Fig. 2 is the scene graph of multiple access in the prior art, and as shown in Figure 2, under the covering of non-3GPP and 3GPP access, non-3GPP IP Access Network and 3GPP Access Network are linked into PDN by same P-GW to UE simultaneously.Under this scene, P-GW is that UE distributes an IP address, promptly has only an IP-CAN session between UE and the PDN.The user can by which Access Network transmit according to the different qualities decision IP traffic of business.For example, when non-3 GPP access network was WiFi, the business data flow of Http and Ftp can pass through the WiFi Access Network, and the business data flow of VoIP can send to UE by 3GPP simultaneously.Therefore, require lower business can bring into play the lower advantage of WiFi rate, and can bring into play the QoS control of 3GPP, mobile management good advantage for the business that this real-time of VoIP is had relatively high expectations for this real-time of Http and Ftp.
When the residing position of UE when 3GPP network and non-3GPP network all have signal to cover, can be chosen in 3GPP network or non-3GPP network insertion, this moment, UE was by S14 interface and network element access network discovery and selection function (Access NetworkDiscovery and Selection Function abbreviates ANDSF as) mutual (referring to Fig. 1).(for example: ANDSF is according to the access technology type of positional information that inserts and UE selection for UE provides policy information for the ANDSF network element, for providing corresponding network, UE finds and selection strategy information), above-mentioned policy information mainly comprises: UE inserts the strategy (for example: the Wimax access way is better than the WLAN access way) of certain network, the strategy when UE switches (for example: being switched to WLAN by E-UTRAN is not allow)., judge to insert or switch and select concrete certain network according to the strategy that receives by UE.
Hence one can see that, the access network policy information that ANDSF provides for UE in the correlation technique is to determine according to positional information that inserts and the access technology type of UE etc., different service types for same UE, its policy information is identical, according to this policy information, in the multiple access scene, the different type of service of UE realization all selects for use same Access Network to realize, but because different types of service may be applicable to different Access Networks, therefore, the access network policy information that provides in the correlation technique provides method to have certain limitation, makes UE not select different access networks according to different types of service.
Summary of the invention
In view of this, the invention provides a kind of improved access network policy delivery plan, UE can not select the problem of different Access Networks according to different types of service in the prior art in order to solve.
According to an aspect of the present invention, provide a kind of transmitting access network policy.
Transmitting access network policy according to the present invention comprises: ANDSF receives the request message in order to the request access network policy information from subscriber equipment, wherein, carries the user profile of above-mentioned subscriber equipment in this request message; ANDSF is according to above-mentioned user profile, obtains the business information and the Access Network information incidence relation of the signatory business of the above-mentioned subscriber equipment preserved in advance; The above-mentioned incidence relation that ANDSF will obtain is carried at and sends to above-mentioned subscriber equipment in the response message.
According to another aspect of the present invention, provide a kind of ANDSF.
ANDSF according to the present invention comprises: memory cell, receiving element, search unit and transmitting element.Wherein, memory cell is used to preserve the business information and the Access Network information incidence relation of the signatory business of subscriber equipment; Receiving element is used to receive the request message in order to the request access network policy information that subscriber equipment sends, and wherein, carries the user profile of above-mentioned subscriber equipment in this request message; Search the unit and be used for searching above-mentioned incidence relation, obtain the business information and the Access Network information incidence relation of the signatory business of this subscriber equipment according to the user profile that above-mentioned request message carries; Transmitting element is used for sending to subscriber equipment with searching the incidence relation that the unit obtains.
According to a further aspect of the invention, provide a kind of subscriber equipment.
Subscriber equipment according to the present invention comprises: transmitting element, receiving element, memory cell and selected cell.Wherein, transmitting element is used for sending in order to ask the request message of access network policy information to ANDSF, wherein, carries the user profile of this subscriber equipment in this request message; Receiving element is used to receive business information and the Access Network information incidence relation that ANDSF returns; Memory cell is used to preserve the above-mentioned incidence relation that receives; Selected cell is used for the business information according to the business of initiating, and the above-mentioned incidence relation of preserving from memory cell obtains the Access Network information related with business information, according to the Access Network of the Access Network Information Selection correspondence of obtaining.
According to a further aspect of the invention, provide a kind of access network policy information interactive system.
Access network policy information interactive system according to the present invention comprises: subscriber equipment and ANDSF.Wherein, subscriber equipment is used for sending in order to ask the request message of access network policy information to ANDSF, wherein, carries the user profile of described subscriber equipment in this request message; ANDSF comprises: memory cell, receiving element, search unit and transmitting element, wherein, memory cell is used to preserve the business information and the Access Network information incidence relation of the signatory business of subscriber equipment; Receiving element is used to receive the request message in order to the request access network policy information that above-mentioned subscriber equipment sends; Search the unit, be used for searching incidence relation, obtain the business information and the Access Network information incidence relation of the signatory business of subscriber equipment according to the user profile that request message carries; Transmitting element is used for sending to subscriber equipment with searching the incidence relation that the unit obtains.
By above-mentioned at least one scheme of the present invention, ANDSF receive from subscriber equipment in order to the request message of request access network policy information the time, when returning network discovery and selection strategy information to this subscriber equipment, send to subscriber equipment with what preserve in advance with this subscriber equipment corresponding service information and Access Network information incidence relation, subscriber equipment is when initiating a certain business, can be according to this incidence relation, select the Access Network corresponding with this business, UE can not be according to different types of service in the prior art thereby solved, select the problem of different Access Networks, can select suitable Access Network for the different business of same UE, improve systematic function.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of being write, claims and accompanying drawing.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used from explanation the present invention with embodiments of the invention one, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of the system architecture of EPS in the prior art;
Fig. 2 is the scene graph of multiple access in the prior art;
Fig. 3 is the flow chart according to embodiment of the invention transmitting access network policy;
Fig. 4 is the flow chart according to the example one of the inventive method embodiment;
Fig. 5 is the flow chart according to the example two of the inventive method embodiment;
Fig. 6 is the flow chart according to the example three of the inventive method embodiment;
Fig. 7 is the structural representation according to the access network policy information interactive system of the embodiment of the invention;
Fig. 8 is the structural representation according to the UE of the embodiment of the invention;
Fig. 9 is the structural representation according to the ANDSF of the embodiment of the invention;
Figure 10 is the structural representation of ANDSF according to the preferred embodiment of the invention.
Embodiment
Function was both stated
In inventive embodiments, when UE when ANDSF sends request message in order to the request access network policy information, the business information of this UE that ANDSF will preserve in advance and Access Network information incidence relation are handed down to this UE when UE initiates certain business as access network policy information, and UE can be the suitable Access Network of this service selection according to the incidence relation of this business and Access Network.
In specific implementation process, the access network policy information that ANDSF issues can be by operator's static configuration, also can dynamically be formulated according to user's CAMEL-Subscription-Information by ANDSF.If access network policy information is dynamically formulated according to user's CAMEL-Subscription-Information by ANDSF, when ANDSF determines that the incidence relation of the business of certain UE and Access Network changes (for example: user's subscription data changes), ANDSF need upgrade the business information of this UE of preservation and the corresponding relation of Access Network information, and will upgrade accordingly and be sent to this UE.
Under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, and be not used in qualification the present invention.
According to the embodiment of the invention, at first provide a kind of transmitting access network policy.
Fig. 3 is the flow chart according to the transmitting access network policy of the embodiment of the invention.As shown in Figure 3, the transmitting access network policy according to the embodiment of the invention mainly may further comprise the steps (step S301-step S305):
Step S301:ANDSF receives the request message in order to request Access Network information from UE, wherein, carries the user profile of this UE in the above-mentioned request message;
Step S303:ANDSF is according to above-mentioned user profile, obtains the business information and the Access Network information incidence relation of the signatory business of this UE of preserving in advance;
Wherein, above-mentioned incidence relation has been preserved the business information and the corresponding relation of Access Network information of the signatory business of UE in the preset range, and wherein, the Access Network information pairing Access Network related with each business information is for being fit to this professional Access Network of realization.
In specific implementation process, the business information of the business that ANDSF can contract each UE in the above-mentioned incidence relation and the related information of Access Network information are as first corresponding relation, second corresponding relation between the user profile that ANDSF preserves in advance and first corresponding relation, when receiving the request message of above-mentioned UE transmission, according to the user profile of carrying in this request message, obtain first corresponding relation corresponding with the user profile of this UE, which signatory business of promptly obtaining this UE can be by the information of which Access Network realization;
In specific implementation process, comprise in second corresponding relation that ANDSF preserves: user profile, business information, Access Network information.Particularly, second corresponding relation can be kept among the ANDSF with the form of table as shown in table 1.
Table 1.
In table 1, two UE of AAA and BBB are under the covering of Access Network X and Access Network Y, and ANDSF has preserved the Access Network that the signatory business of this two UE and each business can preferably be used.
In specific implementation process, when first corresponding relation of the user profile correspondence of UE changes, such as, when the subscription data of UE changed, ANDSF need be according to first corresponding relation after this UE change, upgrade second corresponding relation of preserving, such as, for the AAA user in the table 1, the professional E if AAA has newly contracted, this business realizes that by Access Network X then ANDSF is increased to the business information of professional E in the Access Network X corresponding service information of AAA.
According to second corresponding relation of being preserved in the table 1, if ANDSF receives the request message from AAA, then ANDSF first corresponding relation corresponding with user profile AAA that get access to is as shown in table 2.
Table 2.
| Access Network information | Business information | Other information |
| Access Network X | ??A，B，C | |
| Access Network Y | ??B，C，D |
In specific implementation process, comprise in the above-mentioned user profile: the access capability information of UE and the positional information of subscriber equipment, ANDSF can determine the current Access Network information that can use of this UE according to the positional information of this UE, be the available Access Network information around the UE, this Access Network information also can be called network and find, simultaneously, ANDSF is according to the access capability information of this UE, obtain the corresponding Access Network information of different access capability informations with this UE, this Access Network information also can be called selection strategy information.
In specific implementation process, ANDSF also can preserve two groups of corresponding relations in advance, first corresponding relation is the business information of the signatory business of the UE in the preset range and the corresponding relation (being above-mentioned incidence relation) of Access Network information, second corresponding relation is the corresponding relation of the business information of the user profile of UE and the business that UE contracts, ANDSF is according to the user profile in the above-mentioned request message, search second corresponding relation, obtain the business information of the signatory business of this UE, and then search first corresponding relation, obtain the corresponding Access Network information of business information of the business of contracting with this UE.
The above-mentioned incidence relation that step S305:ANDSF will obtain is carried at and sends to above-mentioned UE in the response message.
In specific implementation process, ANDSF also was carried at the Access Network information of available Access Network information around the UE and the different access capability information correspondences of this UE and sends to above-mentioned UE in the response message together before sending this response message.
UE obtains and preserve the parameter of carrying in the response message behind the above-mentioned response message that receives the ANDSF transmission, this parameter comprises: above-mentioned incidence relation, network are found and selection strategy information.
When this UE initiated a certain business, UE can obtain the Access Network information corresponding with this professional business information, and therefrom select corresponding Access Network according to the above-mentioned incidence relation of preserving.Such as, for the AAA user in the table 1, when it initiated the B business, according to table 2, this UE can select Access Network X also can select Access Network Y to realize this business, and when it initiated the A business, according to table 2, this UE can only select Access Network X to realize this business.
In order further to understand the technical scheme that the inventive method embodiment provides, below describe by instantiation.
Example one
In this example, when UE is attached to the EPC network, finish adhere to after, UE need and ANDSF alternately to obtain access network policy information, UE and ANDSF carry out mutual flow process as shown in Figure 4, mainly may further comprise the steps:
Step S401:UE is in the success of EPC network attachment;
Step S403:UE sends in order to ask the request message of Access Network information to ANDSF, carries the user profile of this UE in this request message, and this user profile includes but not limited to: the access capability of this UE, and the positional information of this UE;
Step S405:ANDSF returns corresponding response message to UE, the information of carrying in this response message comprises: the access network information of the access capability correspondence that available access network information, UE is different around the UE, and the business information and the Access Network information incidence relation of the signatory business of this UE;
In specific implementation process, ANDSF can obtain the incidence relation corresponding with the user profile of this UE according to user profile of preserving in advance and the corresponding relation between the incidence relation, i.e. the business information and the Access Network information incidence relation of the signatory business of this UE.
Step S407:UE receives above-mentioned response message, and preserves the above-mentioned information of carrying in this response message;
Step S409: when UE initiated business, UE obtained the Access Network information corresponding with this professional business information according to the above-mentioned incidence relation of preserving, and is the suitable Access Network of this service selection according to the Access Network information of obtaining.
Example two
In this example, UE is triggered, and for example: the positional information of UE changes, and UE needs and ANDSF are alternately to obtain access network policy information.Fig. 5 is the flow chart of this example, as shown in Figure 5, mainly may further comprise the steps (step S601-step S609):
Step S501: when UE is triggered, such as, the positional information of UE changes;
Step S503:UE sends in order to ask the request message of access network policy information to ANDSF, carries the user profile of this UE in this request message, and this user profile includes but not limited to: the access capability of UE and the positional information of UE;
Step S505:ANDSF returns corresponding response message to UE, the information of carrying in this response message comprises: the access network information of the access capability correspondence that available access network information, UE is different around the UE, and the business information and the Access Network information incidence relation of the signatory business of this UE;
Step S507:UE receives above-mentioned response message, and preserves the above-mentioned information of carrying in this response message;
Step S509: when UE initiated business, UE obtained the Access Network information corresponding with this professional business information according to the above-mentioned incidence relation of preserving, and is the suitable Access Network of this service selection according to the Access Network information of obtaining.
Example three
In this example, variation has taken place when ANDSF determines the business that certain UE is signatory and the incidence relation of Access Network, for example: user's subscription data changes, thereby trigger a series of processing, when Fig. 6 changes for the incidence relation of the business of certain UE and Access Network, the flow chart that the technical scheme that provides according to the embodiment of the invention is handled.As shown in Figure 6, mainly may further comprise the steps:
Step S601:ANDSF determines that variation has taken place for the signing service of a certain UE and the incidence relation of Access Network;
Step S603:ANDSF upgrades the above-mentioned incidence relation of preserving;
The corresponding information of this UE after step S605:ANDSF will upgrade (comprising: network discovery, selection strategy information and above-mentioned incidence relation) is handed down to UE;
Step S607:UE returns response to ANDSF, indicates this UE to receive the corresponding information that ANDSF issues;
Step S609:UE receives and preserves above-mentioned corresponding information;
Step S611: when UE initiated business, UE was according to the suitable Access Network of this service selection.
According to the embodiment of the invention, a kind of access network policy information interactive system also is provided, this system can be used to realize above-mentioned access network policy information sending method.
Fig. 7 is the structural representation according to the access network policy information interactive system of the embodiment of the invention.As shown in Figure 7, the access network policy information interactive system according to the embodiment of the invention comprises: ANDSF 10 and UE 20.Wherein, UE 20 is used for sending in order to ask the request message of access network policy information to ANDSF 10, wherein, carries the user profile of UE20 in this request message.
Particularly, ANDSF 10 can comprise: memory cell 100, receiving element 102, search unit 104 and transmitting element 106.Wherein, memory cell 100 is used to preserve the business information and the Access Network information incidence relation of the signatory business of UE; Receiving element 102 is used to receive the above-mentioned request message in order to the request access network policy information that UE 20 sends; Search unit 104 and be connected with receiving element 102 with memory cell 100 respectively, be used for searching above-mentioned incidence relation, obtain the business information and the Access Network information incidence relation of the signatory business of UE 20 according to the user profile that above-mentioned request message carries; Transmitting element 106 with search unit 104 and be connected, be used for sending to UE 20 with searching business information and the Access Network information incidence relation that unit 104 obtains the signing service of UE 20.
According to the embodiment of the invention, a kind of UE also is provided, this UE can be applied in the said system.
Fig. 8 is the structural representation according to the UE of the embodiment of the invention.As shown in Figure 8, comprise according to embodiment of the invention UE: transmitting element 200, receiving element 202, memory cell 204 and selected cell 206.Wherein, transmitting element 200 is used for sending in order to ask the request message of access network policy information to ANDSF, wherein, carries the user profile of this UE in this request message; Receiving element 202 be used to receive business information and the Access Network information incidence relation of the signatory business of this UE that ANDSF returns, and receiving element 202 also is used to receive network discovery and the selection strategy information that ANDSF returns; Memory cell 204 is connected with receiving element 202, is used to store above-mentioned incidence relation, network discovery and the selection strategy information that receiving element 202 receives; Selected cell 206 is connected with memory cell 204, be used for business information according to the business of initiating, the above-mentioned incidence relation of preserving from memory cell 204 obtains the Access Network information related with this business information, according to the Access Network of the Access Network Information Selection correspondence of obtaining.
According to the embodiment of the invention, a kind of ANDSF also is provided, this ANDSF can be engaged in the said system with above-mentioned UE and use, and also can use separately.
Fig. 9 is the structural representation according to the ANDSF of the embodiment of the invention.As shown in figure 10, mainly comprise according to embodiment of the invention ANDSF: memory cell 100, receiving element 102, search unit 104 and transmitting element 106.Wherein, memory cell 100 is used to preserve the business information and the Access Network information incidence relation of the signatory business of UE; Receiving element 102 is used to receive the request message in order to the request access network policy information that UE sends, and wherein, carries the user profile of this UE in this request message; Search unit 104 and be connected with memory cell 100, be used for searching above-mentioned incidence relation, obtain the business information and the Access Network information incidence relation of the signatory business of above-mentioned UE according to the user profile that above-mentioned request message carries with receiving element 102; Transmitting element 106 with search unit 104 and be connected, be used to search the incidence relation that unit 104 obtains and send to above-mentioned UE.
Figure 10 is the structural representation of ANDSF according to the preferred embodiment of the invention.Also carry access capability information and the positional information of above-mentioned UE in the above-mentioned request message, as shown in figure 10, ANDSF also comprises according to the preferred embodiment of the invention: determining unit 108 is connected with transmitting element 106 with receiving element 102, is used for determining the current Access Network information that can use of above-mentioned subscriber equipment according to the positional information of above-mentioned UE; Then transmitting element 106 also is used for the above-mentioned current Access Network information that can use that will determine and the Access Network information of above-mentioned access capability information correspondence sends to above-mentioned UE.In specific implementation process, the Access Network information of above-mentioned first corresponding relation, the current Access Network information that can use and above-mentioned access capability information correspondence can be carried in the message and send UE.
Further, when the corresponding relation of the signing service of UE and Access Network changes, ANDSF need upgrade second corresponding relation of preservation, therefore, ANDSF further comprises: updating block 110 is connected with memory cell 100, be used for when the Access Network information of the business information of the signatory energy of above-mentioned UE and/or this business information association changes the incidence relation that updated stored unit 100 is preserved; Then transmitting element 106 business information and the Access Network information incidence relation that also are used for the business that this UE after changing is signatory sends to this UE.
In sum, provide technical scheme according to the embodiment of the invention, ANDSF receive from subscriber equipment in order to the request message of request access network policy information the time, when returning network discovery and selection strategy information to this subscriber equipment, the corresponding relation of preserving in advance with this subscriber equipment corresponding service information and Access Network information is sent to subscriber equipment, subscriber equipment is when initiating a certain business, can be according to this corresponding relation, select the Access Network corresponding with this business, UE can not be according to different types of service in the prior art thereby solved, select the problem of different Access Networks, can select suitable Access Network for the different business of same UE, improve systematic function.Can satisfy under the multiple access scene, select the application demand of different access networks according to different types of service.
Obviously, those skilled in the art should be understood that, above-mentioned each step of the present invention can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and carry out by calculation element, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of steps in them are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a transmitting access network policy is characterized in that, comprising:
Access network discovery and selection functional entity ANDSF receive the request message in order to the request access network policy information from subscriber equipment, wherein, carry the user profile of described subscriber equipment in the described request message;
Described ANDSF is according to described user profile, obtains the business information and the Access Network information incidence relation of the signatory business of the described subscriber equipment preserved in advance;
The described incidence relation that described ANDSF will obtain is carried at and sends to described subscriber equipment in the response message.
2. method according to claim 1 is characterized in that,
Described user profile comprises: the access capability information of subscriber equipment and the positional information of subscriber equipment;
Described ANDSF receives after the described request message, and described method also comprises:
Described ANDSF determines the current Access Network information that can use of described subscriber equipment according to the positional information of described subscriber equipment;
The described current Access Network information that can use that described ANDSF will determine and the Access Network information of described access capability information correspondence are carried at and send to described subscriber equipment in the described response message.
3. method according to claim 1 and 2 is characterized in that, described ANDSF send described response message to after, described method also comprises:
Described subscriber equipment receives described response message, obtains and preserve the described incidence relation that carries in the described response message;
During described user equipment start service, the described incidence relation according to preserving obtains the Access Network information corresponding with the business information of described business, and according to the corresponding Access Network of described Access Network Information Selection.
4. method according to claim 1 is characterized in that, described method also comprises:
When the described incidence relation of the business information of the signatory business of described subscriber equipment and Access Network information changed, described ANDSF upgraded the described incidence relation of preservation;
Described incidence relation after described ANDSF will change sends to described subscriber equipment.
5. an ANDSF is characterized in that, comprising:
Memory cell is used to preserve the business information and the Access Network information incidence relation of the signatory business of subscriber equipment;
Receiving element is used to receive the request message in order to the request access network policy information that subscriber equipment sends, and wherein, carries the user profile of described subscriber equipment in the described request message;
Search the unit, be used for searching described incidence relation, obtain the business information and the Access Network information incidence relation of the signatory business of described subscriber equipment according to the user profile that described request message is carried;
Transmitting element is used for searching the described incidence relation that the unit obtains and sending to described subscriber equipment described.
6. ANDSF according to claim 5 is characterized in that, also carries the access capability information and the positional information of described subscriber equipment in the described request message, and described ANDSF also comprises:
Determining unit is used for determining the current Access Network information that can use of described subscriber equipment according to the positional information of described subscriber equipment;
Described transmitting element also is used for the described current Access Network information that can use that will determine and the Access Network information of described access capability information correspondence sends to described subscriber equipment.
7. ANDSF according to claim 5 is characterized in that, described ANDSF also comprises:
Updating block is used for upgrading the described incidence relation that described memory cell is preserved when the Access Network information of the business information of the signatory business of described subscriber equipment and/or described business information association changes;
Described transmitting element also is used for the described business information after changing and the Access Network information of described business information association are sent to described subscriber equipment.
8. a subscriber equipment is characterized in that, comprising:
Transmitting element is used for sending in order to ask the request message of access network policy information to ANDSF, wherein, carries the user profile of described subscriber equipment in the described request message;
Receiving element is used to receive business information and the Access Network information incidence relation that described ANDSF returns;
Memory cell is used to preserve the described incidence relation that receives;
Selected cell is used for the business information according to the business of initiating, and the described incidence relation of preserving from described memory cell obtains the Access Network information related with described business information, according to the Access Network of the described Access Network Information Selection correspondence of obtaining.
9. an access network policy information interactive system is characterized in that, comprising: subscriber equipment and ANDSF, wherein,
Described subscriber equipment is used for sending in order to ask the request message of access network policy information to described ANDSF, wherein, carries the user profile of described subscriber equipment in the described request message;
Described ANDSF comprises:
Memory cell is used to preserve the business information and the Access Network information incidence relation of the signatory business of subscriber equipment;
Receiving element is used to receive the described request message in order to the request access network policy information that subscriber equipment sends;
Search the unit, be used for searching described incidence relation, obtain the business information and the Access Network information incidence relation of the signatory business of described subscriber equipment according to the user profile that described request message is carried;
Transmitting element is used for searching the described incidence relation that the unit obtains and sending to described subscriber equipment described.
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| CN200910006274A CN101730192B (en) | 2009-02-10 | 2009-02-10 | Method and device for transmitting access network policy information and interaction system |
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