CN101771986A - Strategic charging control method, device and system based on multiple access technology - Google Patents
Strategic charging control method, device and system based on multiple access technology Download PDFInfo
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- CN101771986A CN101771986A CN200910002375A CN200910002375A CN101771986A CN 101771986 A CN101771986 A CN 101771986A CN 200910002375 A CN200910002375 A CN 200910002375A CN 200910002375 A CN200910002375 A CN 200910002375A CN 101771986 A CN101771986 A CN 101771986A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/14—Charging, metering or billing arrangements for data wireline or wireless communications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/14—Charging, metering or billing arrangements for data wireline or wireless communications
- H04L12/1453—Methods or systems for payment or settlement of the charges for data transmission involving significant interaction with the data transmission network
- H04L12/1457—Methods or systems for payment or settlement of the charges for data transmission involving significant interaction with the data transmission network using an account
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Abstract
The invention discloses a strategic charging control method, a device and a system based on the multiple access technology, wherein the method comprises the following steps: determining the access network connection of the business data stream transmission by a strategic charging executing function entity, and notifying the determined access network connection to a strategic and charging rule function entity. The invention realizes the effect that when UE is simultaneously accessed through a plurality of access networks, the network can begin a resource reservation process in the proper access network according to the business.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of strategic charging control method, device and system based on multi-access technology.
Background technology
Third generation partner program (3rd Generation Partnership Project, abbreviating 3GPP as) grouping system of evolution comprises following network element: (Evolved Packet System, abbreviate EPS as) by universal mobile telecommunications system land radio access web (the EvolvedUniversal Terrestrial Radio Access Network of evolution, abbreviate E-UTRAN as), mobile management unit (Mobility Management Entity, abbreviate MME as), gateway (Serving Gateway, abbreviate S-GW as), grouped data network gateway (Packet DataNetwork Gateway, abbreviate P-GW or PDN GW as), home subscriber server (Home Subscriber 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 manoeuvre among various states or political grouping nodes.
Fig. 1 is the schematic diagram according to the system architecture of the EPS of correlation technique, and as shown in Figure 1, MME is responsible for the related work of 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 the accessing gateway equipment that links to each other with E-UTRAN, transmits data between E-UTRAN and P-GW, and is responsible for pending datas such as paging are carried out buffer memory; P-GW then is the borde gateway of EPS and packet data network (Packet DataNetwork abbreviates PDN as) network, and the access of being responsible for PDN reaches functions such as transmitting data between EPS and PDN; PCRF is the "Policy and Charging Rules Function entity, it is by receiving interface Rx and carrier network agreement (Internet Protocol, abbreviating IP as) business network links to each other, obtain business information, in addition, it links to each other with gateway device in the network by the Gx/Gxa/Gxc interface, be responsible for initiating the foundation of IP carrying, guarantee the service quality (Quality of Service abbreviates QoS as) of business datum, and the control of chargeing.
EPS supports the intercommunication with non-3 GPP system, wherein, passes through the S2a/b/c interface with the intercommunication of non-3 GPP system and realizes that P-GW is as the anchor point between 3GPP and non-3 GPP system.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) link to each other 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 (MoblieIPv6Support for Dual Stack Hosts and Routers abbreviates DSMIPv6 as) of two stacks.
Among the EPS system, strategy and charge execution function (Policy and ChargingEnforcement Function abbreviates PCEF as) entity are present among the P-GW Gx interface (see figure 1) exchange message between PCRF and the P-GW.When the interface between P-GW and S-GW during 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 (see figure 1) 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 (see figure 1) 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, simultaneously, for UE provides professional application function (Application Function, abbreviate AF as), send to PCRF by Rx interface and to be used to generate strategy and business information that the control of chargeing (Policy and ChargingControl 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 (IPConnectivity 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 respectively and set up the Diameter session 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 these Diameter sessions.
EPS supports UE to insert a PDN by a plurality of Access Networks simultaneously, that is, and and multiple access (Multiple Access).Fig. 2 is the schematic diagram according to the multiple access scene of correlation technique, and as shown in Figure 2, UE under the covering of non-3GPP and 3GPP access, is linked into PDN by non-3GPPIP Access Network and 3GPP Access Network by same P-GW simultaneously.Under this scene, P-GW is that UE distributes an IP address,, has only an IP-CAN session between UE and the PDN that is.Like this, the data flow of the different business of UE request can be transmitted in the Access Network that is fit to its transmission.For example, non-3 GPP access network is Wireless Fidelity (WIrelessFidelity, abbreviate WiFi as) time, HTML (Hypertext Markup Language) (Hypertext TransferProtocol, abbreviate HTTP as) and the business data flow of file transfer protocol (FTP) (File Transfer Protocol abbreviates FTP as) just can pass through the WiFi Access Network, and meanwhile, the business data flow of the networking telephone (Voice over Internet Protocol abbreviates VoIP as) just can send to UE by 3GPP.Like this, 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.
In the process of Network Transmission business data flow, need reserve corresponding resource for it according to the corresponding QoS attribute of business.In correlation technique, the method for two kinds of reserved resources can be arranged, a kind of is the reserved resource request of being initiated by UE, another kind is the reserved resource request of being initiated by network.Which wherein, under the scene of multiple access,, in access network transmit traffic data flow and request network reservation resource by the UE decision for the reserved resource request that UE initiates; But how the resource reservation for being initiated by network carries out resource reservation at suitable Access Network, does not propose effective solution at present as yet.
Summary of the invention
At at present when UE inserts by a plurality of Access Networks simultaneously, network can't propose the present invention according to the problem of business initiation resource reservation process in suitable Access Network connects, for this reason, main purpose of the present invention is to provide a kind of improved policy and charging control scheme, one of to address the above problem at least.
To achieve these goals, according to an aspect of the present invention, provide a kind of strategic charging control method based on multi-access technology.
Strategic charging control method based on multi-access technology according to the present invention comprises: policy and charging enforcement function entity determines that the Access Network of business datum flow transmission connects, and the Access Network connection of determining is notified to the "Policy and Charging Rules Function entity.
Preferably, after policy and charging enforcement function entity is notified to the "Policy and Charging Rules Function entity with the Access Network connection of determining, said method also comprises: the "Policy and Charging Rules Function entity sends to bearing binding and the event reporting function entity of Access Network in connecting with corresponding rules for quality of service, so that bearing binding and event reporting function entity are initiated resource reservation or resource dispose procedure according to rules for quality of service.
Preferably, policy and charging enforcement function entity determines that according to configuration information or network strategy the Access Network of business datum flow transmission connects.
Preferably, policy and charging enforcement function entity is notified to the "Policy and Charging Rules Function entity with the Access Network connection of determining and comprises: policy and charging enforcement function entity will be bound indication and be sent to the "Policy and Charging Rules Function entity, wherein, carry the information that unique differentiation Access Network connects in the binding indication.
Preferably, when setting up procotol and connect the Access Network session, policy and charging enforcement function entity connects the Access Network session by procotol and sets up Indication message and will bind to indicate and send to the "Policy and Charging Rules Function entity.
Preferably, after setting up the session of procotol connection Access Network, policy and charging enforcement function entity will be bound indication by procotol connection Access Network session modification Indication message, policy charging rule acknowledge message or policy charging rule request message and be sent to the "Policy and Charging Rules Function entity.
Preferably, the Access Network connection comes unique identification by one of following information: procotol connects access network type and/or radio access technology types, is used to indicate the internet protocol address of Access Network connection.
To achieve these goals, according to another aspect of the present invention, provide a kind of policy and charging enforcement function entity.
Policy and charging enforcement function entity according to the present invention comprises: determination module is used for determining that according to configuration information the Access Network of business datum flow transmission connects; Notification module is used for the Access Network link information that determination module is determined is notified to the "Policy and Charging Rules Function entity.
To achieve these goals, according to a further aspect of the invention, provide a kind of policy charging control system based on multi-access technology.
Policy charging control system based on multi-access technology according to the present invention comprises policy and charging enforcement function entity and "Policy and Charging Rules Function entity, wherein, policy and charging enforcement function entity comprises: determination module is used for determining that the Access Network of business datum flow transmission connects; Notification module, the Access Network connection that is used for determination module is determined is notified to the "Policy and Charging Rules Function entity; The "Policy and Charging Rules Function entity comprises: receiver module is used to receive the information from the Access Network connection of policy and charging enforcement function entity; Sending module, the information that the Access Network that is used for receiving according to receiver module connects sends to bearing binding and the event reporting function entity that Access Network connects with corresponding rules for quality of service, so that bearing binding and event reporting function entity are initiated resource reservation or resource dispose procedure according to rules for quality of service.
By the present invention, adopt the Access Network connection of PCEF decision business datum flow transmission and the method for notice PCRF, solved at present when UE inserts by a plurality of Access Networks simultaneously, network can't be initiated the problem of resource reservation process according to business in suitable Access Network, and then realized that network can be initiated the resource reservation process according to business in suitable Access Network when UE inserts by a plurality of Access Networks simultaneously.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram according to the system architecture of the EPS of correlation technique;
Fig. 2 is the schematic diagram according to the multiple access scene of correlation technique;
Fig. 3 is the flow chart according to the multiple access process of correlation technique;
Fig. 4 is the flow chart based on the access processing method of multi-access technology according to the embodiment of the invention one;
Fig. 5 is the flow chart based on the access processing method of multi-access technology according to the embodiment of the invention two;
Fig. 6 is the flow chart based on the access processing method of multi-access technology according to the embodiment of the invention three;
Fig. 7 is the structured flowchart according to the policy and charging enforcement function entity of the embodiment of the invention;
Fig. 8 is the structured flowchart based on the policy charging control system of multi-access technology according to the embodiment of the invention.
Embodiment
Functional overview
Consider at present when UE inserts by a plurality of Access Networks simultaneously, gateway can't be initiated the problem of resource reservation process according to business in suitable Access Network, the embodiment of the invention provides a kind of multiple access scene lower network to initiate the scheme of resource reservation, the Access Network of PCEF decision business datum flow transmission connects and notice PCRF, PCRF is sent to this Access Network BBERF in connecting with corresponding QoS rule, this BBERF installs the QoS rule, and initiates the resource reservation process according to the QoS rule in Access Network.
For the ease of the understanding to the embodiment of the invention, the multiple access process of the correlation technique that the embodiment of the invention is related to is described below.Fig. 3 is the flow chart according to the multiple access process of correlation technique, as shown in Figure 3, what describe is that UE is established to the flow process that is connected of giving tacit consent to PDN by 3GPP Access Network and trusted non-3 GPP access network simultaneously after UE is in two coverages of 3GPP Access Network and trusted non-3 GPP access network.Wherein, when inserting, adopt the PMIPv6 agreement between S-GW and the P-GW, when inserting, adopt the PMIPv6 agreement between trusted non-3 GPP access network pipe and the P-GW by the non-3GPP of trusted by 3GPP.This multiple access process specifically comprises the steps 301 to step 323:
Step 301, UE sends Attach Request message to MME.
Step 302, MME initiates the identifying procedure to UE, exchanges authentication-related information as required between MME and HSS; After authentication success, MME initiates more new technological process of position, and HSS sends to MME with the subscription data of UE.In verification process, HSS sends to MME with the selection information of P-GW, and wherein, selection information comprises acquiescence APN.MME selects P-GW according to APN, and simultaneously, MME selects S-GW.
Step 303, MME sends default bearing to S-GW and sets up request message, and wherein, this default bearing is set up the IP address that request message carries the P-GW of APN and selection.
Step 304, the S-GW of the resident BBERF of having carries sign NAI, the APN of UE in " gateway control session the is set up indication " message that sends to PCRFF.
Step 305, PCRF formulates PCC rule and QoS rule according to user's subscription data, network strategy, carrying attribute etc., simultaneously, also may formulate the events corresponding trigger, PCRF sends to S-GW by " gateway control session is set up and confirmed " message with QoS rule and event trigger, and S-GW installs QoS rule and event trigger.
Step 306, S-GW sends " agent binding update " request message to P-GW, wherein, should carry NAI, APN in " agent binding update " request message.
Need to prove that step 306 can be carried out after receiving the message of step 303, and response that needn't waiting step 305.
Step 307, resident have the P-GW of PCEF to send " indication is set up in the IP-CAN session " message to PCRF, wherein, should carry NAI, APN in " indication is set up in the IP-CAN session " message, and also carrying P-GW is the UE IP address allocated; PCRF carries out " gateway control session the is set up indication " message in " IP-CAN session foundation indication " message and the step 305 by NAI and APN related, thereby two message are arrived same IP-CAN session at the associating information of PCRF foundation.
Step 308, PCRF returns " the IP-CAN session is set up and confirmed " message to P-GW, wherein, should " the IP-CAN session is set up and confirmed " message carry corresponding PCC rule and event trigger, and PCEF installs PCC rule and event trigger;
Need to prove, if the IP-CAN session is set up the information of carrying in the Indication message and is caused the QoS rule that variation has taken place in the step 307, PCRF will give information by gateway control and QoS rule new QoS rule will be sent to trusted non-3 GPP access network pass, if change has also taken place in event trigger, new event trigger then is provided, and this message can be carried out simultaneously with step 308.BBERF returns acknowledge message after receiving message.
Step 309, P-GW returns " agent binding affirmation " message to S-GW, and wherein, being somebody's turn to do and carrying P-GW in " agent binding affirmation " message is the UE IP address allocated.
Step 310, S-GW returns default bearing to MME and sets up acknowledge message, and wherein, this default bearing is set up the IP address that acknowledge message carries UE.
Step 311, mutual between MME, eNodeB, the UE, set up radio bearer.
Step 312, after radio bearer was set up, MME sent more new bearer request to S-GW, the address information of notice eNodeB etc., S-GW echo reply message.
Step 313, UE carries out specific non-3GPP access procedure, inserts the trusted non-3 GPP access network.
Step 314 is after UE is linked into the trusted non-3 GPP access network, to HSS/AAA request carrying out EPS access authentication; After HSS/AAA receives the request of EPS access authentication, the UE of the request of sending is authenticated; After HSS/AAA finishes authentication to UE, close to send to the trusted non-3 GPP access network and return P-GW and the signatory APN of UE that in 3GPP inserts, selects, the APN here comprises acquiescence APN.
Step 315, after authentication success, the attachment flow of layer 3 is triggered, and the message that UE sends to the trusted IAD is carried Multiple Access indication.
Step 316, resident have the trusted non-3 GPP access network pass of BBERF sending " gateway control session is set up indication " message to PCRF, wherein, carry sign NAI, APN, the Multiple Access indication of UE in " gateway control session is set up indication " message.
Step 317, PCRF indicates according to Multiple Access, judgement UE is a multiple access, and according to NAI, APN this message and the message of step 304 and step 307 are carried out related, thereby the associating information that three message are set up at PCRF is to same IP-CAN session.Further, PCRF formulates PCC rule and QoS rule according to user's subscription data, network strategy, carrying attribute etc. to the business that will move to the IP-CAN session that inserts by non-3GPP, simultaneously, also may formulate the events corresponding trigger; PCRF sends to BBERF by " gateway control session foundation affirmation " message with the QoS rule and the event trigger of these new formulations, and BBERF installs QoS rule and event trigger.
Step 318, the trusted non-3 GPP access network closes to P-GW and sends " agent binding update " request message, wherein, should carry NAI, APN and Multiple Access indication in " agent binding update " request message, step 318 can be after receiving the message of step 315 be just carried out, response that needn't waiting step 317.
Step 319, resident have the P-GW of PCEF to adopt the Diameter session of setting up in the step 307, sends " indication of IP-CAN session modification " message to PCRF, wherein, should carry NAI, APN, IP address in " indication of IP-CAN session modification " message.
Step 320, PCRF returns " affirmation of IP-CAN session modification " message to P-GW, wherein, carries PCC rule and the event trigger formulated in the step 317 in " affirmation of IP-CAN session modification " message, and P-GW upgrades PCC rule and event trigger.The information that PCRF might carry according to step 319 is upgraded the PCC rule once more.
Need to prove, if variation has taken place in the QoS rule that the information of carrying in the IP-CAN session modification Indication message in the step 319 causes formulating in the step 317, PCRF will give information by gateway control and QoS rule new QoS rule will be sent to trusted non-3 GPP access network pass, if change has also taken place in event trigger, new event trigger is provided, and this message can send simultaneously with step 320.The trusted non-3 GPP access network closes to receive and returns gateway control after the message and the QoS rule provides acknowledge message.
Step 321, P-GW is saved in HSS with the information such as IP address of oneself, registers multiple access in HSS.
Step 322, P-GW closes to the trusted non-3 GPP access network and returns " agent binding affirmation " message, and wherein, being somebody's turn to do and carrying P-GW in " agent binding affirmation " message is the UE IP address allocated.
Step 323, the trusted non-3 GPP access network closes to UE echo reply message, and wherein, this response message carries the IP address of UE.
By above flow process, PCRF can be at carrying out policy and charging control by the IP-CAN session that 3GPP inserts and non-3GPP inserts simultaneously.
Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Method embodiment
According to embodiments of the invention, a kind of access processing method based on multi-access technology is provided, this method is applied under the multiple access scene, in the resource reservation process by the network side initiation, this method comprises: PCEF determines that the Access Network of business datum flow transmission connects, and the Access Network of determining connected be notified to PCRF, wherein, PCEF can determine the Access Network connection of business datum flow transmission according to configuration information or network strategy.After this, PCRF sends to the BBERF of Access Network in connecting with corresponding QoS rule, so that this BBERF installs the QoS rule, and initiates resource reservation process or resource dispose procedure according to the QoS rule.Wherein, Access Network connects and to come unique identification by one of following information: IP-CAN type and/or wireless access access style, be used to the internet protocol address of indicating Access Network to connect, above-mentioned configuration information can be set in advance by system.
In concrete implementation procedure, PCEF can send to PCRF with the binding indication, wherein, carries the information that Access Network connects in this binding indication.
Wherein, PCEF can will bind indication by one of following message and send to the PCRF:IP-CAN session and set up Indication message, IP-CAN session modification Indication message, policy charging rule acknowledge message, policy charging rule request message.
Particularly, can handle according to following situation for the transmission of this binding indication:
(1) when setting up the IP-CAN session, PCEF can set up Indication message by the IP-CAN session and will bind indication and send to PCRF.
(2) after setting up the IP-CAN session, PCEF can will bind indication by IP-CAN session modification Indication message, policy charging rule acknowledge message or policy charging rule request message and send to PCRF.Be described in detail below in conjunction with the implementation procedure of example the embodiment of the invention.
Embodiment one
The flow process that is based on as shown in Figure 3 that present embodiment is described is adhered to.Fig. 4 is the flow chart according to the embodiment of the invention one, as shown in Figure 4, description be UE by E-UTRAN and trusted non-3 GPP access network multiple access, set up the IP-CAN session after, visit new business, the process of initiating resource reservation by network side comprises that following step 401 is to step 409:
Step 401, the new business of UE request visit sends a request message to the AF1 that business information is provided, after AF1 receives this request message, set up new AF session and business information is provided, corresponding service data flow (Service Data Function abbreviates SDF as) is SDF1.Further, can also carry the indication that UE selects the target access network connection of transmission SDF1 in this request message.
Step 402, AF1 sends service application message to PCRF, carries the IP address of the UE of access service in this service application message, and further, this service application message can also be carried the sign of UE and the indication that UE selects the target access network of transmission SDF1 to connect.
Step 403, PCRF receives service application message, and preserves business information.
Step 404, PCRF returns acknowledge message to AF1.
Step 405, PCRF identifies the IP-CAN session that flow process is set up among Fig. 3 according to the IP address of UE and the sign of UE.PCRF formulates PCC rule (Rules) 1 according to user's traffic performances such as CAMEL-Subscription-Information, network strategy and business information.
Step 406, the PCEF of PCRF in P-GW gives information by policy charging rule and sends PCC Rules1, PCEF installs PCC Rules1 and determines this professional data flow to transmit by E-UTRAN according to configuration information or network strategy, the PCC rule is inserted connection with E-UTRAN carry out related.When PCEF detected the business data flow of using PCC Rules1, these business data flows will send to the connection by the E-UTRAN Access Network.
Step 407, PCEF returns acknowledge message, and carries the binding indication in acknowledge message, the binding relationship that the business data flow of binding indication expression PCEF decision is connected with the Access Network of service data transmission stream.This binding indication identifies the Access Network connection that PCEF determines by the information of carrying each Access Network connection of unique differentiation, for example, IP-CAN type and/or radio access technology types (RAT Type) are carried in this binding indication, here because PCEF decision business data flow connects transmission by the E-UTRAN Access Network, so IP-CAN type value is 3GPP-EPS, RAT Type value is E-URTAN.The IP address that can also carry S-GW/BBERF identifies Access Network and connects.Certainly the information of each Access Network connection of other unique differentiations is suitable equally.
Step 408, PCRF knows that according to binding indication PCEF determines this business data flow to transmit by E-UTRAN, shown in according to access characteristic, user signing contract information, the network strategy of E-UTRAN formulate PCC Rules1 correspondence QoS Rules1.The BBERF of PCRF in S-GW gives information by gateway control and QoS rule and sends QoSRules1.If PCRF needs the PCC Rules1 of formulation in the modify steps 405, then PCRF will give information by policy charging rule and upgrade the PCC rule that issues before to PCEF.
Step 409, BBERF installs QoS Rules1, and E-UTRAN carries out corresponding strategy, and initiates the resource reservation process.BBERF returns acknowledge message to PCRF.
Need to prove, in other embodiments, if PCEF determines this business to connect transmission by the trusted non-3 GPP access network, then PCEF carries the binding indication in the affirmation message of returning to PCRF, show that when PCEF detected the business data flow of using PCC Rules1, these business data flows will send to by the trusted non-3 GPP access network and insert connection.The realization of binding indication can be by IP-CAN Type and/or the RAT Type that carries this trusted non-3 GPP access network, if the trusted non-3 GPP access network is WiMAX, then IP-CAN Type is WiMAX.The realization of binding indication can also be by carrying the IP address of trusted non-3 GPP access network pass/BBERF.Certainly the information of each Access Network connection of other unique differentiations is suitable equally.PCRF formulates corresponding QoS Rules1 according to the binding indication, and sends QoS Rules1 to the BBERF in the trusted non-3 GPP access network Central Shanxi Plain.BBERF installs QoS Rules1, initiates the resource reservation process in the trusted non-3 GPP access network.
In other embodiments, if the multiple access that UE inserts by E-UTRAN and trustless non-3GPP simultaneously, then the process of Ci Shi processing method and flow process and foregoing description is similar, difference is to connect by trustless non-3 GPP access network when PCEF decision business data flow, the IP address that this binding indication can also be carried ePDG/BBERF, the BBERF of PCRF in ePDG sends QoS Rules1.
Embodiment two
This embodiment comprises following two parts:
(1) flow process with Fig. 3 is similar, and UE sets up the IP-CAN session of multiple access, and difference is: except carrying NAI, APN, IP address, also carry the binding indication in " indication of IP-CAN session modification " message of step 319.Initiate the business of resource reservation when PCEF determines all needs of this UE according to configuration information or network strategy by network, its business data flow all pass through the E-URTAN Access Network and connects and transmits.This binding indication is by carrying IP-CAN type and/or wireless access type RAT Type, and value is respectively that 3GPP-EPS and E-UTRAN represent.This binding indication can also be by carrying the IP address of S-GW/BBERF, and PCRF preserves this binding indication.Certainly the information of each Access Network connection of other unique differentiations is suitable equally.In addition, the binding indication can also send to PCRF by " indication is set up in the IP-CAN session " message of step 307, and PCRF preserves.
(2) UE initiates service request, initiates resource reservation by network.Fig. 5 is the flow chart according to the embodiment of the invention two, as shown in Figure 5, comprises that following step 501 is to step 509:
Step 501, the new business of UE request visit sends a request message to the AF1 that business information is provided, and after AF1 receives this request message, sets up new AF session and business information is provided, and the corresponding service data flow is SDF1.Further, can also carry the indication that UE selects the target access network connection of transmission SDF1 in this request message.
Step 502, AF1 sends service application message to PCRF, and wherein, this service application message carries the IP address of the UE of access service, further, this service application message can also be carried the sign of UE and the indication that UE selects the target access network of transmission SDF1 to connect.
Step 503, PCRF receives this service application message, and preserves business information.
Step 504, PCRF returns acknowledge message to AF1.
Step 505, PCRF identifies the IP-CAN session of foundation according to the IP address of UE and the sign of UE.At this moment, PCRF determines that UE passes through the trusted non-3 GPP access network (for example, WLAN) and the E-UTRAN multiple access.And,, determine in the Access Network of E-UTRAN connects, to carry out resource reservation according to the binding indication of from PCEF, obtaining.PCRF formulates PCC Rules1, QoS Rules1 according to Access Network characteristic, user's traffic performances such as CAMEL-Subscription-Information, network strategy and business information.
Step 506, owing to carry out resource reservation in the Access Network of E-UTRAN connects, therefore, the BBERF of PCRF in S-GW gives information by gateway control and QoS rule and sends QoS Rules1.
Step 507, BBERF installs QoS Rules1, and E-UTRAN carries out corresponding strategy, carries out resource reservation.BBERF returns acknowledge message to PCRF.
Step 508, the PCEF of PCRF in P-GW gives information by policy charging rule and sends PCC Rules1, wherein, can further carry the binding indication during this policy charging rule gives information, and confirms to PCEF.
Step 509, PCEF installs PCC Rules1, PCC rule and E-UTRAN is inserted connection carry out relatedly, and returns acknowledge message to PCRF.When PCEF detects this business data flow, PCEF will connect the transmission business data flow to the E-UTRAN Access Network.
If in the step 508, PCEF receives binding indication back binding is made amendment, and PCEF will return new binding and indicate to PCRF in step 509.PCRF carries out corresponding modification again.
Need to prove, in other embodiments, if PCEF determines this business to insert transmission by the non-3GPP of trusted, then in the message of the step 307 of Fig. 3 or step 319, when realizing, the binding indication can carry IP-CAN Type and/or the RAT Type that this trusted non-3 GPP access network connects.If the trusted non-3 GPP access network is WiMAX, then IP-CAN Type is WiMAX, the IP address that can also carry trusted non-3 GPP access network pass/BBERF when the binding indication realizes.PCRF knows that according to the binding indication resource reservation that network is initiated will carry out in by the connection of trusted non-3 GPP access network, that is, and and the connection transmission that business data flow inserts by the non-3GPP of trusted.
In other embodiments, if the multiple access that UE inserts by E-UTRAN and trustless non-3GPP simultaneously, then the process of Ci Shi processing method and flow process and foregoing description is similar, difference is: when PCEF decision business data flow connects by trustless non-3 GPP access network, the IP address that this binding indication can also be carried ePDG/BBERF, the BBERF of PCRF in ePDG sends QoS Rules1.
As can be seen, the difference of the foregoing description one and embodiment two is: in embodiment one, PCEF makes a strategic decision at each business of UE request, and the Access Network of decision business datum flow transmission is notified PCRF then; In embodiment two, all of PCEF decision UE need all be passed through an Access Network transmission notice PCRF by the data flow that network is initiated the resource reservation business.
Embodiment three
Present embodiment is described is because the P-GW decision disconnects connection that UE inserts by E-UTRAN or decision when changing binding relationship, the SDF business data flow is moved to UE insert in the connection of setting up, thereby cause changing the flow chart of data flow transfer path by the non-3GPP of trusted.Fig. 6 is the flow chart according to the embodiment of the invention three, as shown in Figure 6, comprises that specifically following step 601 is to step 607:
Step 601, PCEF receives internal trigger or external trigger among the P-GW, and request is moved to the non-3GPP of trusted with SDF1 and is inserted.When PCEF detected the business data flow of using PCC Rules1 ', these business data flows will send to the connection that inserts by the trusted non-3 GPP access network.
Step 602, PCEF sends the policy charging rule request message to PCRF, carry the binding indication of SDF1 being moved to the trusted non-3 GPP access network in this policy charging rule request message ', this binding indication ' show the binding indication ' realizing can be by IP-CAN Type and/or the RAT Type that carries this trusted non-3 GPP access network.If the trusted non-3 GPP access network is WiMAX, then IP-CAN Type is WiMAX.The binding indication ' realize it can also being the IP address of trusted non-3 GPP access network pass/BBERF.Certainly the information of each Access Network connection of other unique differentiations is suitable equally.Further, can also carry the reason of migration in this message.
Step 603, after PCRF receives the policy charging rule request message, according to the binding indication ' know that PCEF determines this SDF1 by the transmission of trusted non-3 GPP access network, reformulate PCC Rules1 ' and corresponding QoS Rules1 ' according to the access characteristic of trusted non-3 GPP access network, and PCC Rules1 ' is sent to PCEF by the policy charging rule acknowledge message, then, PCEF installs PCC Rules1 '.
Step 604, the BBERF of PCRF in S-GW sends gateway control and the QoS rule provides acknowledge message, carries the information of indication BBERF deletion QoS Rules1 in this acknowledge message.
Step 605, BBERF returns acknowledge message to PCRF.
Step 606, PCRF gives information by gateway control and QoS rule and QoSRules1 ' is sent to the BBERF in the trusted non-3 GPP access network Central Shanxi Plain.
Step 607, BBERF installs QoS Rules1 ', and returns acknowledge message to PCRF.
Need to prove, set up the scene of IP-CAN session by E-UTRAN and trustless non-3 GPP access network multiple access simultaneously for UE, PCRF is similar to the above embodiments with the method that inserts binding with the IP traffic of business, does not repeat them here.
Need to prove that set up the scene of IP-CAN session by E-UTRAN (wherein, adopting the GTP agreement between S-GW and the P-GW) and non-3 GPP access network multiple access simultaneously for UE, processing method is similar to the above embodiments, does not repeat them here.Difference is that PCRF does not need corresponding QoS Rules is sent to BBERF among the S-GW.
The scene by E-UTRAN and non-3 GPP access network multiple access simultaneously for UE, and UE adopts the DSMIPv6 agreement when inserting by non-3 GPP access network.PCRF is similar to the above embodiments with the method that inserts binding with the IP traffic of business, does not repeat them here.
Device embodiment
According to embodiments of the invention, a kind of PCEF is provided, be applied under the multiple access scene, in the resource reservation process by the network side initiation, can be used to realize said method.Fig. 7 is the structured flowchart according to the PCEF of the embodiment of the invention, and as shown in Figure 7, this PCEF comprises: determination module 72 and notification module 74 are described said structure below.
By this embodiment, the PCEF that can determine the Access Network of business datum flow transmission is provided, this PCEF is notified to PCRF with the Access Network connection of determining, so that PCRF sends to the BBERF of Access Network in connecting with corresponding QoS rule, this BBERF installs the QoS rule, and initiates resource reservation process or resource dispose procedure according to the QoS rule.
System embodiment
According to embodiments of the invention, provide a kind of policy charging control system based on multi-access technology.Fig. 8 is the structured flowchart based on the policy charging control system of multi-access technology according to the embodiment of the invention, and as shown in Figure 8, this system comprises PCEF 2 and PCRF 4, below wherein structure is described in detail.
In sum, pass through the above embodiment of the present invention, adopt the Access Network connection of PCEF decision business datum flow transmission and the method for notice PCRF, solved at present when UE inserts by a plurality of Access Networks simultaneously, network can't be initiated the problem of resource reservation process according to business in suitable Access Network connects, and then realized that when UE inserted by a plurality of Access Networks simultaneously, network can be initiated the resource reservation process according to business in suitable Access Network connects.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step 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 modules in them or step 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. the strategic charging control method based on multi-access technology is characterized in that, described method comprises:
Policy and charging enforcement function entity determines that the Access Network of business datum flow transmission connects, and the described Access Network connection that will determine is notified to the "Policy and Charging Rules Function entity.
2. method according to claim 1 is characterized in that, after the described Access Network connection that described policy and charging enforcement function entity will be determined was notified to the "Policy and Charging Rules Function entity, described method also comprised:
Described "Policy and Charging Rules Function entity sends to described Access Network bearing binding and the event reporting function entity in connecting with corresponding rules for quality of service, so that described bearing binding and event reporting function entity are initiated resource reservation or resource dispose procedure according to described rules for quality of service.
3. method according to claim 1 is characterized in that, described policy and charging enforcement function entity determines that according to configuration information or network strategy the described Access Network of business datum flow transmission connects.
4. method according to claim 1 is characterized in that, the described Access Network connection that described policy and charging enforcement function entity will be determined is notified to the "Policy and Charging Rules Function entity and comprises:
Described policy and charging enforcement function entity will be bound indication and be sent to described "Policy and Charging Rules Function entity, wherein, carry the information that the described Access Network of unique differentiation connects in the described binding indication.
5. method according to claim 4, it is characterized in that, when setting up the session of procotol connection Access Network, described policy and charging enforcement function entity is set up Indication message by the session of procotol connection Access Network described binding indication is sent to described "Policy and Charging Rules Function entity.
6. method according to claim 4, it is characterized in that, after setting up the session of procotol connection Access Network, described policy and charging enforcement function entity connects Access Network session modification Indication message, policy charging rule acknowledge message or policy charging rule request message by procotol described binding indication is sent to described "Policy and Charging Rules Function entity.
7. according to each described method in the claim 1 to 6, it is characterized in that described Access Network connection comes unique identification by one of following information: procotol connects access network type and/or radio access technology types, is used to indicate the internet protocol address of described Access Network connection.
8. a policy and charging enforcement function entity is characterized in that, comprising:
Determination module is used for determining that according to configuration information the Access Network of business datum flow transmission connects;
Notification module is used for the described Access Network link information that described determination module is determined is notified to the "Policy and Charging Rules Function entity.
9. the policy charging control system based on multi-access technology comprises policy and charging enforcement function entity and "Policy and Charging Rules Function entity, it is characterized in that,
Described policy and charging enforcement function entity comprises:
Determination module is used for determining that the Access Network of business datum flow transmission connects;
Notification module is used for the described Access Network connection that described determination module is determined is notified to the "Policy and Charging Rules Function entity;
Described "Policy and Charging Rules Function entity comprises:
Receiver module is used to receive the information from the described Access Network connection of described policy and charging enforcement function entity;
Sending module, be used for corresponding rules for quality of service being sent to bearing binding and the event reporting function entity that described Access Network connects, so that described bearing binding and event reporting function entity are initiated resource reservation or resource dispose procedure according to described rules for quality of service according to the information that the described Access Network that described receiver module receives connects.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910002375A CN101771986A (en) | 2009-01-06 | 2009-01-06 | Strategic charging control method, device and system based on multiple access technology |
| PCT/CN2009/073755 WO2010078761A1 (en) | 2009-01-06 | 2009-09-04 | A method, apparatus and system for controlling the policy and charging |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910002375A CN101771986A (en) | 2009-01-06 | 2009-01-06 | Strategic charging control method, device and system based on multiple access technology |
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| CN101771986A true CN101771986A (en) | 2010-07-07 |
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| CN200910002375A Pending CN101771986A (en) | 2009-01-06 | 2009-01-06 | Strategic charging control method, device and system based on multiple access technology |
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| CN (1) | CN101771986A (en) |
| WO (1) | WO2010078761A1 (en) |
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| CN102905390A (en) * | 2011-07-26 | 2013-01-30 | 中兴通讯股份有限公司 | Session association method, device and system |
| WO2018040073A1 (en) * | 2016-09-02 | 2018-03-08 | 华为技术有限公司 | Method, apparatus and system for charging multi-access network |
| WO2018161796A1 (en) * | 2017-03-08 | 2018-09-13 | 华为技术有限公司 | Connection processing method and apparatus in multi-access scenario |
| CN108574969A (en) * | 2017-03-08 | 2018-09-25 | 华为技术有限公司 | Connection processing method in multiple access scene and device |
| CN108616957A (en) * | 2016-12-09 | 2018-10-02 | 大唐移动通信设备有限公司 | Indicate method, base station and the mobility management entity of radio access technology types |
| WO2019214105A1 (en) * | 2018-05-10 | 2019-11-14 | Oppo广东移动通信有限公司 | Method and apparatus for binding data streams, and computer storage medium |
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| CN112994905B (en) * | 2019-12-18 | 2024-01-30 | 中兴通讯股份有限公司 | Policy and charging control method, system, electronic equipment and storage medium |
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| GB0329502D0 (en) * | 2003-12-19 | 2004-01-28 | Nokia Corp | Control decisions in a communication system |
| CN101127629B (en) * | 2006-08-18 | 2012-08-22 | 华为技术有限公司 | Policy and billing execution device, online billing system and method for communication system |
| CN101222482B (en) * | 2007-01-11 | 2010-10-06 | 华为技术有限公司 | Method and system for confirming policy regulation |
| CN101159563B (en) * | 2007-11-02 | 2011-01-05 | 中兴通讯股份有限公司 | Method and system for selecting strategy charging control server |
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| WO2018040073A1 (en) * | 2016-09-02 | 2018-03-08 | 华为技术有限公司 | Method, apparatus and system for charging multi-access network |
| CN108616957A (en) * | 2016-12-09 | 2018-10-02 | 大唐移动通信设备有限公司 | Indicate method, base station and the mobility management entity of radio access technology types |
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| WO2018161796A1 (en) * | 2017-03-08 | 2018-09-13 | 华为技术有限公司 | Connection processing method and apparatus in multi-access scenario |
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| WO2019214105A1 (en) * | 2018-05-10 | 2019-11-14 | Oppo广东移动通信有限公司 | Method and apparatus for binding data streams, and computer storage medium |
| WO2019213905A1 (en) * | 2018-05-10 | 2019-11-14 | Oppo广东移动通信有限公司 | Method and apparatus for binding data stream, and computer storage medium |
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| WO2010078761A1 (en) | 2010-07-15 |
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