CN101127629B - Policy and billing execution device, online billing system and method for communication system - Google Patents
Policy and billing execution device, online billing system and method for communication system Download PDFInfo
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Abstract
The utility model relates to a strategy and charging executive device in communication system, comprising a credit reauthorization trigger, which is used in the process that the current IP accessing type of the terminal user is changed while on-line charging, and the trigger reauthorizes the credit of the terminal user. The utility model is characterized in that in the new PCC architecture, further perfecting for the current standard of processing PCEF in network connection which is connected with multiple IP access system ; and further introducing the new network information as a reference factor into the strategy and charging control of the SAE and I-WLAN network. The utility model has advantages of good for making a more comprehensive strategy and charging standard decision in the PCC architecture, and triggering the corresponding process flow while detecting the generation of corresponding network information, so as to improve the present strategy and charging control mechanism further, and enhance the accuracy of strategy and charging operation.
Description
Technical field
The present invention relates to the communications field, relate in particular to strategy and charging control field in the relevant communication system, be meant strategy and charging actuating equipment and strategic charging control method in the communication system especially.
Background technology
Communication network must be the network that can run, for this reason, need to professional in the network and professional employed resource be carried out accurately, in time and comprehensively control, strategy with charge that to control be exactly one of most important control wherein.
See also Fig. 1, it is the principle framework figure of the policy and charging control (PCC) in the system of 3GPP release7 (the 7th version of the standardized partnership projects of 3G (Third Generation) Moblie).The PCC framework mainly comprises signatory rule base SPR11, Application Function AF12, policy control and charging regulation function entity 13, policy control and charging regulation execution entity 14, offline charging subsystem OFCS15 and online charging subsystem OCS16.The entity of implementation strategy control and charging rule functions is referred to as strategy and charging regulation equipment PCRF, and the entity that implementation strategy control and charging regulation are carried out is referred to as strategy and charging actuating equipment PCEF.
The PCC framework has mainly been realized two big functions, and one is policy control functions, and another is the charging controlled function.It is a functional framework that can be applied to multiple connecting system.Such as, the PCC framework can be applicable in existing GPRS (GPRS) connecting system and existing I-WLAN (intercommunicated wireless local area network) connecting system, accomplishes the policy control and the charging of GPRS connecting system and I-WLAN connecting system.See also Fig. 2, it is the principle framework figure of existing gprs system.Implementation strategy control is SGSN (GPRS service support point) with the entity of charging regulation execution function in gprs system, and promptly SGSN is a strategy and charging actuating equipment.It carries out strategy and the charging regulation that PCRF formulated at loading end.SGSN carries out the detection of business data flow according to the traffic filtering device in the rule that PCRF sent, and then these Business Streams are carried out the strategy that PCRF formulated and the control of chargeing.Chargeing both can be online charging, also can be offline charging.If online charging, SGSN needs and OCS carries out credit management together.During offline charging, exchange correlation charge information between SGSN and the OFCS.That is to say that PCEF generally is positioned on the gateway of network, for example strategy can be the GGSN among the above-mentioned disclosed GPRS with the charging actuating equipment, or the PDG among the I-WLAN (packet data gateway also can be abbreviated as PDN-GW).
In order to guarantee the competitiveness of 3GPP system in following 10 years down to the time more of a specified duration, the work of an access technology evolution is just carried out at the 3GPP organization internal.Most important several sections comprises in the technological evolution of this type: reduce time delay, user data rate more at a high speed, the reduction of the whole cost of the power system capacity of enhancing and coverage and operator.Prospect just because of this type access technology exists makes the 3GPP evolvement network obtain developing swift and violently.Equally, the 3GPP evolvement network also need carry out policy control and billing operation.
Because the needs of network evolution might connect a plurality of IP connecting systems simultaneously on a PCEF.But, the situation that present PCC credit management mechanism does not only change to the IP access style, therefore existing credit management mechanism can not be fit to multiple IP connecting system, need rebulid the credit management to the different IP access style.
In addition, in I-WLAN and SAE network, the "Policy and Charging Rules Function entity does not have to consider the network information and corresponding variation the thereof comprehensively when generating strategy charging regulation, cause charging inaccurate thus, can't satisfy the charging demand of operator.
Summary of the invention
A purpose of the present invention is to provide strategy and charging actuating equipment in a kind of communication system; Exist the IP access style to change situation such as perhaps network information variation, the technical problem of policy control that causes and billing operation inaccuracy with during the terminal use moves in the solution prior art.
Another object of the present invention is to provide a kind of Online Charging System and corresponding online charging method; There is the situation that the IP access style changes or the network information changes, the technical problem of policy control that causes and billing operation inaccuracy to solve the terminal use in moving.
In order to achieve the above object; Strategy and charging actuating equipment PCEF in the communication system provided by the invention; Said PCEF is used to receive strategy and charging regulation that policy control and charging regulation function entity PCRF send, carries out said strategy and charging regulation and operates; Said charging comprises online charging or offline charging, and said strategy and charging regulation are that said PCRF formulates according to the IP access style that said PCEF provides; Also comprise credit re-authorization trigger, wherein:
Said credit re-authorization trigger: be used for when the IP access style that the online charging process detects the current use of terminal use changes, trigger the credit reauthorization process of online charging subsystem to said terminal use.
Preferably, also comprise:
Event trigger: be used for before said credit re-authorization trigger is triggered the process of the IP access style corresponding strategy charging regulation after trigger policy and charging actuating equipment PCEF obtain to change when the IP of the current use of terminal use access style changes.
Preferably, strategy and charging actuating equipment PCEF are strategy and the charging actuating equipment PCEF of user plane anchor point IASA, packet data gateway PDG or Solution Architecture SAE between the different access systems.
Preferably, the PCEF of said SAE is user entity UPE, 3GPP anchor point or SAE anchor point.
The present invention also provides Online Charging System in a kind of mobile communication, comprises online charge subsystem OCS, strategy and charging regulation equipment PCRF and strategy and charging actuating equipment PCEF at least;
Said PCRF, the IP access style that is used for providing according to said PCEF is generated strategy and charging regulation, and sends to said PCEF;
Said OCS carries out credit authorization according to said strategy and charging regulation to the terminal use when being used for online charging;
Said PCEF is used to receive strategy and the charging regulation that said PCRF sends, and carries out strategy and charging regulation that said PCRF formulates, and said charging comprises online charging or offline charging;
Wherein, said strategy and charging actuating equipment also comprise credit re-authorization trigger, are used for when the IP access style that the online charging process detects the current use of terminal use changes, triggering the credit reauthorization process of said OCS to said terminal use.
Preferably, also comprise:
Event trigger: be used for before said credit re-authorization trigger is triggered, when the IP of the current use of terminal use access style changes, trigger the process of the IP access style corresponding strategy charging regulation after said strategy and charging actuating equipment obtain to change.
Preferably, strategy and charging actuating equipment are user plane anchor point IASA, packet data gateway PDG or be installed in the strategy and the charging actuating equipment PCEF of Solution Architecture SAE network between the different access systems.
Preferably, also comprise Application Function AF and the signatory rule base SPR that is connected with charging regulation equipment PCRF with strategy.
Preferably, the PCEF of SAE is user entity UPE, 3GPP anchor point or SAE anchor point.
The present invention also provides the method for credit authorization in a kind of online charging process, comprising:
Strategy and charging actuating equipment PCEF receive the strategy and the charging regulation of policy control and charging regulation function entity PCRF transmission; Carry out the operation of said strategy and charging regulation; Said charging comprises online charging or offline charging, and said strategy and charging regulation are that said PCRF formulates according to the IP access style that said PCEF provides;
When strategy and charging actuating equipment detect terminal use's IP access style variation, trigger the credit reauthorization process of online charging subsystem to said terminal use.
Preferably, receive at said PCEF before the strategy and charging regulation of said PCRF transmission, also comprise:
When terminal use's IP access style changed, said PCEF sent strategy and charging regulation request to said PCRF, so that said PCRF formulates corresponding strategy and charging regulation according to the IP access style that carries in the described request.
Preferably, receive at said PCEF before the strategy and charging regulation of said PCRF transmission, also comprise:
Event trigger that said PCEF is provided with and detection reaction IP access style changes and corresponding credit re-authorization trigger;
The IP access style of the current use of said PCEF sense terminals user;
When the IP access style that detects the current use of terminal use as said PCEF changes, trigger said event trigger;
Said PCEF sends the policy charging rule request to said PCRF, and said policy charging rule request comprises the new IP of the current use of terminal use.
Preferably, the IP access style of the current use of the real-time sense terminals user of said PCEF.
Policy billing method in a kind of I-WLAN provided by the invention system comprises:
The strategy with charging actuating equipment PCRF with WLAN accessing gateway information WAG information as a reference one of factor carry out the formulation of PCC policy charging rule;
PCRF is issued to public data gateway PDG with said policy charging rule, so that PDG implementation strategy and charging regulation.
Preferably, also comprise:
PDG keeps watch on the event trigger of marking terminal user WAG information change and/or the credit re-authorization trigger of marking terminal user WAG information change;
When said event trigger is triggered, PDG sends the policy charging rule request to strategy and charging regulation equipment, comprises the WAG information after the variation in the described request;
During online charging, when said credit re-authorization trigger is triggered, PDG sends the request of credit re-authorization to online subsystem.
Preferably, the address or the sign of the AAA acting server that accesses network WAG was connected when WAG information comprised WAG sign or WAG address and/or roaming, and/or the identification information of the PLMN PLMN at current WAG place.
Preferably, event trigger is triggered earlier, is triggered behind the credit re-authorization trigger.
Policy billing method in a kind of SAE disclosed by the invention system comprises:
The strategy with charging regulation equipment PCRF with the system architecture evolution network information SAE network information as a reference one of factor carry out the formulation of PCC policy charging rule;
PCRF is issued to the PCEF of SAE with said policy charging rule, so that PCEF implementation strategy and the charging regulation of SAE.
Preferably; The SAE network information comprises the relevant information of Mobility Management Entity MME/ user entity UPE/E-UTRAN; The relevant information of said MME/UPE comprises MME sign or MME address, UPE sign or UPE address, and the relevant information of E-UTRAN comprises the information of presently used E-nodeB sign or E-nodeB address and/or current E-UTRAN place wireless access network operation business.
Preferably, the relevant information of said E-UTRAN comprises the information of presently used E-nodeB sign or E-nodeB address and/or current E-UTRAN place wireless access network operation business.
Preferably, also comprise:
The PCEF of SAE keeps watch on the event trigger of sign MME/UPE/E-UTRAN information change and/or the credit re-authorization trigger of sign MME/UPE/E-UTRAN information change;
When said event trigger is triggered, the PCEF of SAE sends the policy charging rule request to strategy and charging regulation equipment, comprises the MME/UPE/E-UTRAN information after the variation in the described request;
During online charging, when said credit re-authorization trigger is triggered, the PCEF of SAE sends the request of credit re-authorization to the online charging subsystem.
Preferably, the PCEF of said SAE is user entity UPE, 3GPP anchor point or SAE anchor point.
Compared with prior art, the present invention further improves in new PCC framework and handles the network connection scene that connects multiple IP connecting system on the PCEF simultaneously in the current standard.When terminal use's current IP access style changes, can consider the credit re-authorization, further improve corresponding credit management mechanism, and then improve the accuracy of billing operation.
And; The present invention also further with the new network information as a reference the factor strategy that is incorporated into SAE and I-WLAN network with charge Guaranteed; Help the PCC framework and carry out more fully policy charging rule decision-making; And trigger corresponding handling process when the corresponding network information changes detecting, further improve existing policy and charging control mechanism, and then improve the accuracy of strategy and billing operation.
Description of drawings
Fig. 1 is the principle framework figure of the policy and charging control in the system of 3GPP release7;
Fig. 2 is the principle framework figure of existing gprs system;
Fig. 3 is the principle framework figure of policy and charging control PCC of the present invention;
Fig. 4 is the flow chart of online charging method of the present invention;
Fig. 5 is the theory diagram of the wireless evolution network of PCC application;
The online charging handling process that Fig. 6 when being SAE IASA as strategy with the charging actuating equipment IP connecting system takes place when changing;
Fig. 7 handles the flow chart of instance for carrying out online charging in the I-WLAN network;
Fig. 8 handles the flow chart of instance in the SAE network, carrying out online charging.
Embodiment
Below in conjunction with accompanying drawing, specify the present invention.
See also Fig. 3, it is the principle framework figure of policy and charging control PCC of the present invention.
The PCC framework has mainly been realized two big functions, and one is policy control functions, and another is a billing function.
Policy control functions further comprises: a. monitors user's service parameter (mainly being qos parameter) negotiations process; B. according to the business information that is obtained, the employed network carrying resource of business is authorized; C. control whether passing through of Business Stream in real time at Data-carrying face; D. the associated change advisory with service surface arrives Data-carrying face; E. with the associated change advisory of Data-carrying face to service surface etc.; F. carry out policy control based on CAMEL-Subscription-Information.In the PCC framework, the logic entity that policy control functions relates generally to comprises AF22, PCRF23, PCEF24 and SPR21 etc.
Billing function further comprises: a. integrated service information, beared information and CAMEL-Subscription-Information, formulate charging regulation; B. between the metering data of the metering data of service surface and loading end, carry out association; C. under dynamic charge mode, carry out credit control.In the PCC framework, the logic entity that billing function relates generally to comprises AF22, PCRF23, PCEF24, SPR21, OCS26 and OFCS25 etc.
Further, the function of each logical functional entity and inter-entity interfaces is described below in the PCC framework shown in Figure 3.
AF22: Application Function, it provides the access point of service application, and the employed Internet resources of these service application need carry out the dynamic strategy and the control of chargeing.When service surface was carried out parameter negotiation, AF22 passed to PCRF23 with related service information.If these business information and PCRF23's is tactful consistent, PCRF23 accepts this consultation business service parameter, otherwise the PCRF23 refusal should be consulted, and can in feedback, provide the acceptable service parameter of PCRF23 simultaneously.Subsequently, AF22 can return to UE with these parameters.Interface between AF22 and the PCRF23 is a Rx interface.
PCRF23: policy control and charging regulation function entity are the cores of PCC system, are responsible for the formulation of strategic decision-making and charging regulation.PCRF provides based on the network control of business data flow rule, and these network controls comprise the detection, gate (gating), QoS control of business data flow and based on the charging control of stream etc.PCRF23 sends to PCEF24 with the strategy of its formulation and charging regulation and is carried out by it, and PCRF23 will guarantee that also signatory specifications of these rules and user are consistent simultaneously.PCRF generates strategy and comprises with the foundation of charging regulation: the information of obtaining from AF22 relevant with business; Obtain from SPR21 with the signatory relevant information of specification of user; The information of obtaining from PCEF24 relevant with bearer network.
In addition, PCRF23 of the present invention with the IP access style as a reference one of factor carry out PCC decision-making.That is to say, when the present invention formulates with charging regulation at strategy, also consider the IP access style.When terminal use's IP access style changed, corresponding strategy can change with charging regulation.The present invention is through introducing the IP access style as one of parameter factor can to the business in the network and professional employed resource be carried out more accurately, more in time reach more comprehensively control.When PCEF24 when PCRF23 sends the policy charging rule request, PCRF23 can formulate corresponding strategy and charging regulation and send it to PCEF24 according to the IP access style that carries in the request, so that PCEF24 carries out corresponding strategy and charging regulation.
PCEF24: strategy and charging execution function entity, carry out strategy and the charging regulation that PCRF23 formulated at loading end.PCEF24 carries out the detection of business data flow according to the traffic filtering device in the rule that PCRF23 sent, and then these Business Streams are carried out the strategy that PCRF23 formulated and the control of chargeing.When carrying was set up, the rule that PCEF24 sends according to PCRF23 was carried out the QoS mandate, and carried out the gate operation according to the indication of AF22.According to the charging regulation that PCRF23 sends, PCEF24 carries out the operation of corresponding business flow based charging.Chargeing both can be online charging, also can be offline charging.If online charging, PCEF24 needs and OCS26 carries out credit management together.During offline charging, exchange correlation charge information between PCEF24 and the OFCS25.Interface between PCEF24 and the PCRF23 is the Gx interface, and the interface between itself and the OCS26 is the Gy interface, and the interface between itself and the OFCS25 is the Gz interface.PCEF generally is positioned on the gateway of network.
In the present invention; PCEF24 also comprises credit re-authorization trigger 242; Wherein: credit re-authorization trigger 242: be used for when the IP access style of the current use of online charging process terminal use changes, trigger process to said terminal use's credit re-authorization.PCEF can also comprise event trigger 241; Be used for before credit re-authorization trigger is triggered; Change the back at the sign IP of the current use of user access style and trigger, and then the process of the IP access style corresponding strategy charging regulation after obtaining to change with charging execution function entity PCEF by strategy.
SPR21: user's Specifications Database of contracting; Stored and the policy control and the relevant user signing contract information that charges; For example, the spendable business information of user, the spendable QoS information of customer service and charge relevant user signing contract information and user's realm do not wait.Utilize SPR21 institute canned data, PCRF23 just can carry out policy control and the billing operation based on CAMEL-Subscription-Information.Interface between SPR21 and the PCRF24 is the Sp interface.
OCS26: Online Charging System and PCEF24 carry out the control and the management of user credit under the online charging mode (credit) together.In carrying foundation, modification and dispose procedure, PCEF24 must carry out credit authorization to OCS26.The result of credit authorization can directly influence the use of customer service, and for example, if user credit uses up, so professional employed Data-carrying meeting is by deletion immediately, and customer service is interrupted.
OFCS25: off-line accounting system, accomplish the billing operation under the offline charging mode with PCEF.
In the present invention, when the IP of the current use of terminal use access style changes, also need carry out credit management.Connect the situation of multiple IP connecting system to PCEF, further improve corresponding credit management mechanism, thereby can carry out credit control accurately, and then improve the accuracy of billing operation.
That is to say that Online Charging System in the simplest a kind of mobile communication provided by the invention comprises online charge subsystem OCS, strategy and charging regulation equipment PCRF and strategy and charging actuating equipment at least, said PCRF is used to generate strategy and charging regulation; When said OCS is used for online charging, the terminal use is carried out credit authorization according to said strategy and charging regulation; Said strategy and charging actuating equipment are used to carry out strategy and the charging regulation that said PCRF formulates; Said strategy and charging actuating equipment also comprise credit re-authorization trigger, are used for when the IP access style that the online charging process detects the current use of terminal use changes, triggering the credit reauthorization process of said OCS to said terminal use.When using the online charging mode, can provide a kind of IP access style to change after, trigger credit re-authorization trigger earlier, can under the online charging situation, carry out credit control accurately, thereby improve the accuracy of chargeing.
In addition, strategy also comprises event trigger with the charging actuating equipment, is used for before said credit re-authorization trigger is triggered, and sign IP access style changes the process that the IP access style corresponding strategy charging regulation after PCEF obtains to change is triggered in the back.
To above-mentioned disclosed system, the invention discloses the method for credit authorization in a kind of online charging process, comprising:
When strategy and charging actuating equipment detect terminal use's IP access style variation, trigger the credit reauthorization process of online charging subsystem to said terminal use.
And, the invention also discloses a kind of online charging method, as shown in Figure 4, comprising:
S110: when strategy and charging actuating equipment detect the IP access style variation of the current use of terminal use, trigger the credit reauthorization process of online charging subsystem to the terminal use;
S120: the online charging subsystem carries out the credit re-authorization according to said terminal use's current IP access style.
When strategy and charging actuating equipment detect the IP access style variation of the current use of terminal use, the process of the IP access style corresponding strategy charging regulation after trigger policy and charging actuating equipment obtain to change.
Through the present invention, in the online charging process, can carry out the credit re-authorization to the terminal use again, the terminal use who has only re-authorization to pass through just allows to insert, and continues to be chargeed in the terminal, guarantees the accuracy of chargeing thus.
See also Fig. 5, it is the theory diagram of the wireless evolution network of PCC application.Its core net mainly comprises three the logic function modules of user plane anchor point Inter AS Anchor (IASA) between Mobility Management Entity MME, user entity UPE, the different access systems; MME wherein is the mobile management module; Be responsible for the mobile management of chain of command; Comprise the management of user's context and mobile status, distributing user temporary identity sign, safety function etc., it is corresponding to the control plane part of current UMTS internal system SGSN.UPE is a user entity, is responsible for initiating paging for downlink data under the idle condition, and IP bearing parameter and the interior routing iinformation of network etc. are preserved in management, and it is corresponding to the datum plane part of current UMTS internal system SGSN and GGSN.Inter AS Anchor then serves as the user plane anchor point between different access systems, comprises the anchor point SAE Anchor between 3GPP intrasystem anchor point 3GPP Anchor and 3GPP and non-3 GPP system.
Further, network enabled sharing functionality in SAE, just a plurality of core network operators can be shared identical wireless access network.Equally, core network operators also possibly use the wireless access network of a plurality of wireless access network operation business.
It can also be seen that from said frame, in evolution network framework, also need adopt PCC to carry out policy control and billing operation, PCEF can also have with on Inter-AS Anchor (perhaps 3GPP Anchor and SAE Anchor) on the MME/UPE entity.That is to say that strategy and charging actuating equipment can or be installed in the strategy and the charging actuating equipment PCEF of Solution Architecture SAE network for user plane anchor point IASA between the different access systems.The PCEF of SAE can be user entity UPE, 3GPP anchor point or SAE anchor point.
Above-mentioned disclosed strategy and charging actuating equipment PCEF, it comprises event trigger and credit re-authorization trigger, wherein:
Event trigger: when the IP access style that is used to detect the current use of terminal use changes, trigger to obtain to change back IP access style corresponding strategy charging regulation;
Credit re-authorization trigger: when the IP access style that is used to detect the current use of terminal use changes, trigger to carry out credit re-authorization to said terminal use.
Perhaps, PCEF includes only credit re-authorization trigger: be used for when the IP access style that the online charging process detects the current use of terminal use changes, triggering to carry out the credit re-authorization to said terminal use.
Online charging handling process (seeing also Fig. 6) when the variation of IP connecting system takes place, IASA is a functional entity of representing PCEF.
S11:IASA is provided with and monitoring reflection IP access style changes event trigger and corresponding credit re-authorization trigger;
The IP access style of the current use of the real-time sense terminals user of S12:IASA;
S13: when the IP access style that detects the current use of terminal use as IASA changed, event trigger was triggered;
S14:IASA sends the policy charging rule request to PCRF, comprises the new IP of the current use of terminal use in the described request;
S15:PCRF finds the corresponding strategy charging regulation according to the access style of new IP;
S16:PCRF sends the access style corresponding strategy charging regulation of new IP to IASA;
Credit re-authorization trigger is triggered among the S17:IASA;
S18:IASA sends the request of credit re-authorization to OCS, comprises new IP information and information of terminal user in the described request;
S19:OCS returns credit re-authorization result, so that whether the IASA decision continues the terminal use is chargeed.If the credit re-authorization, IASA need not the terminal use is further chargeed.
In the present embodiment; PCEF is positioned at IASA; IASA can connect GPRS, SAE and I-WLAN network simultaneously, and when UE was moved in these networks, event trigger and credit re-authorization trigger that the last corresponding reflection IP connecting system of IASA changes will be triggered.
Among the above-mentioned disclosed embodiment, terminal use's IP access variation typically refers to the terminal use and moves to another connecting system from a connecting system.
In addition, the present invention also provides a kind of policy billing method, is used for the policy and charging control of I-WLAN network and SAE network.This mechanism comprises: with the new network information as a reference factor carry out policy charging rule decision-making, and when the corresponding network information changes, trigger corresponding treatment mechanism.
Policy billing method in the I-WLAN system, it comprises:
Strategy and charging actuating equipment PCRF with WAG information as a reference one of factor carry out the slightly formulation of rule of PCC strategy meter;
PCRF is issued to PDG with said policy charging rule;
PDG keeps watch on the event trigger of marking terminal user WAG information change and/or the credit re-authorization trigger of marking terminal user WAG information change;
When said event trigger is triggered, PDG sends the policy charging rule request to strategy and charging regulation equipment, comprises the WAG information after the variation in the described request;
During online charging, when said credit re-authorization trigger is triggered, PDG sends the request of credit re-authorization to online subsystem.
The address or the sign of the 3GPP aaa server that accesses network WAG was connected when WAG information comprised WAG sign or WAG address and/or roaming, and/or the identification information of the PLMN PLMN at current WAG place.Said WAG information is passed through the Wm interface and is obtained, or obtains or pass through to receive the WAG information acquisition of 3GPP aaa server transmission through visit 3GPP aaa server.
See also Fig. 7, it handles the flow chart of instance in the I-WLAN network, carrying out online charging.
S21:PDG sends the policy charging rule request to PCRF, comprises WAG information in the described request;
S22:PCRF carries out policy charging rule and formulates;
S23:PCRF returns this WAG information corresponding strategy charging regulation to PDG;
S24:PDG implementation strategy charging regulation, and the event trigger that reflects the WAG information change is set;
S25:PDG sends the credit authorization request to OCS, comprises WAG information in the described request;
S26:OCS carries out the terminal use is carried out credit authorization according to WAG information, and the credit authorization result is returned;
S27:PDG is provided with and monitors the credit re-authorization trigger of reflection WAG information change;
S28: whether the WAG information of event trigger and the current use of credit re-authorization trigger sense terminals user changes;
S29: when WAG information changed, event trigger was triggered;
S30:PDG sends the policy charging rule request to PCRF, comprises WAG information in the described request;
S31:PCRF formulates this WAG information corresponding strategy charging regulation;
S32:PCRF is back to PDG with WAG information corresponding strategy charging regulation;
S33: credit re-authorization trigger is triggered;
S34:PDG sends the request of credit re-authorization to OCS, comprises information of terminal user and new WAG information in the described request;
S35:OCS returns credit re-authorization result.
Policy billing method in the SAE system comprises:
The strategy of Solution Architecture SAE obtains the current SAE network information that is connected with charging actuating equipment PCEF, and with this information reporting to the strategy with charging actuating equipment PCRF; The SAE network information comprises the relevant information of Mobility Management Entity MME/ user entity UPE/E-UTRAN; The relevant information of said MME/UPE comprises MME sign or MME address, UPE sign or UPE address, and the relevant information of E-UTRAN comprises that the information and/or the user of presently used E-nodeB sign or E-nodeB address and/or current E-UTRAN place wireless access network operation business belong to cell ID;
PCRF with the SAE network information as a reference one of factor carry out the slightly formulation of rule of PCC strategy meter, and will formulate the PCEF that policy charging rule well is issued to SAE;
The PCEF implementation strategy charging regulation of SAE;
To the MME/UPE/E-UTRAN change in information corresponding event trigger and corresponding credit re-authorization trigger are set respectively;
When the MME/UPE/E-UTRAN information that monitors the terminal use changes; The events corresponding trigger is triggered with corresponding credit re-authorization trigger: send the policy charging rule request to strategy and charging regulation equipment; Comprise the MME/UPE/E-UTRAN information after the variation in the described request, so that obtain new MME/UPE/E-UTRAN information corresponding strategy charging regulation; Send the request of credit re-authorization to online subsystem, comprise MME/UPE/E-UTRAN information and information of terminal user after the variation in the described request, so that the terminal use is carried out the credit re-authorization.
PCEF among the SAE (possibly be UPE; 3GPP Anchor or SAE Anchor) obtain the relevant information of the current MME/UPE/E-UTRAN that connects; And with this information reporting PCRF; PCRF with its as a reference one of factor carry out PCC decision-making, obtain corresponding PCC rules/decision and send to PCEF and carry out.
For different MME/UPE/E-UTRAN, PCEF can obtain different PCCrules/decision.Further, increase event trigger and/or the credit re-authorization trigger that changes to MME/UPE/E-UTRAN respectively, and be installed on the PCEF of SAE.When the presently used MME/UPE/E-UTRAN of UE changes; PCEF obtains this information; Thereby trigger events corresponding trigger and/or credit re-authorization trigger, PCEF is further to PCRF request PCC policy charging rule, and PCEF is further to OCS request credit when dynamically chargeing.
According to above thinking, a complete S AE embodiment of this scheme is as shown in Figure 8.
S41:SAE PCEF sends the policy charging rule request to PCRF, comprises MME/UPE/E-UTRAN information in the described request;
S42:PCRF carries out policy charging rule and formulates;
S43:PCRF returns this MME/UPE/E-UTRAN information corresponding strategy charging regulation to SAE PCEF;
S44:SAE PCEF implementation strategy charging regulation, and the event trigger that reflects the MME/UPE/E-UTRAN information change is set;
S45:SAE PCEF sends the credit authorization request to OCS, comprises MME/UPE/E-UTRAN information in the described request;
S46:OCS carries out the terminal use is carried out credit authorization according to MME/UPE/E-UTRAN information, and the credit authorization result is returned;
S47:SAE PCEF is provided with and monitors the credit re-authorization trigger of reflection MME/UPE/E-UTRAN information change;
S48: whether the MME/UPE/E-UTRAN information of event trigger and the current use of credit re-authorization trigger sense terminals user changes;
S49: when MME/UPE/E-UTRAN information changed, event trigger was triggered;
S50:SAE PCEF sends the policy charging rule request to PCRF, comprises MME/UPE/E-UTRAN information in the described request;
S51:PCRF formulates this MME/UPE/E-UTRAN information corresponding strategy charging regulation;
S52:PCRF is back to SAEPCEF with MME/UPE/E-UTRAN information corresponding strategy charging regulation;
S53: credit re-authorization trigger is triggered;
S54:SAE PCEF sends the request of credit re-authorization to OCS, comprises information of terminal user and new MME/UPE/E-UTRAN information in the described request;
S55:OCS returns credit re-authorization result.
In the present embodiment, a plurality of event triggers can be arranged, represent the variation of MME, UPE or E-UTRAN PLMN (or ENodeB) respectively.Any one event trigger is triggered, and SAEPCEF will be to PCRF request strategy charging regulation.
Simultaneously, a plurality of credit re-authorization triggers can be arranged also, represent the variation of MME, UPE or E-UTRAN PLMN (or ENodeB) respectively.Any one credit re-authorization trigger is triggered, and SAE PCEF will ask the credit re-authorization to OCS.
Utilize such scheme, in new PCC framework, just can further improve and handle the network connection scene that connects multiple IP connecting system on the PCEF simultaneously in the current standard.In addition, this programme also further is incorporated into SAE and I-WLAN network with trigger mechanism, helps the applicating adn implementing of PCC framework in these networks.
More than disclosedly be merely several specific embodiment of the present invention, but the present invention is not limited thereto, any those skilled in the art can think variation, all should drop in protection scope of the present invention.
Claims (16)
1. strategy and charging actuating equipment PCEF in the communication system; It is characterized in that; Said PCEF is used to receive strategy and strategy and charging regulation that charging regulation equipment PCRF sends, carries out the operation of said strategy and charging regulation; Said charging comprises online charging or offline charging, and said strategy and charging regulation are that said PCRF formulates according to the IP access style that said PCEF provides; Said PCEF also comprises:
Credit re-authorization trigger: be used for when the IP access style that the online charging process detects the current use of terminal use changes, trigger the credit reauthorization process of online charging subsystem to said terminal use; With
Event trigger: be used for before said credit re-authorization trigger is triggered the process of the IP access style corresponding strategy charging regulation after trigger policy and charging actuating equipment PCEF obtain to change when the IP of the current use of terminal use access style changes.
2. equipment as claimed in claim 1 is characterized in that, strategy and charging actuating equipment PCEF are strategy and the charging actuating equipment PCEF of user plane anchor point IASA between the different access systems, packet data gateway PDG or Solution Architecture evolution SAE.
3. equipment as claimed in claim 2 is characterized in that, the PCEF of said SAE is user entity UPE, 3GPP anchor point or SAE anchor point.
4. Online Charging System in the mobile communication comprises online charge subsystem OCS, strategy and charging regulation equipment PCRF and tactful and charging actuating equipment PCEF at least; It is characterized in that,
Said PCRF, the IP access style that is used for providing according to said PCEF is generated strategy and charging regulation, and sends to said PCEF;
Said OCS carries out credit authorization according to said strategy and charging regulation to the terminal use when being used for online charging;
Said PCEF is used to receive strategy and the charging regulation that said PCRF sends, and carries out strategy and charging regulation that said PCRF formulates, and said charging comprises online charging or offline charging;
Said PCEF also comprises:
Credit re-authorization trigger is used for when the IP access style that the online charging process detects the current use of terminal use changes, triggering the credit reauthorization process of said OCS to said terminal use; With
Event trigger: be used for before said credit re-authorization trigger is triggered, when the IP of the current use of terminal use access style changes, trigger the process of the IP access style corresponding strategy charging regulation after said PCEF obtains to change.
5. system as claimed in claim 4 is characterized in that, PCEF is user plane anchor point IASA, packet data gateway PDG or be installed in the strategy and the charging actuating equipment PCEF of Solution Architecture evolution SAE network between the different access systems.
6. system as claimed in claim 5 is characterized in that, also comprises the Application Function AF and the signatory rule base SPR that are connected with charging regulation equipment PCRF with strategy.
7. system as claimed in claim 5 is characterized in that, the PCEF of SAE is user entity UPE, 3GPP anchor point or SAE anchor point.
8. the method for credit authorization in the online charging process is characterized in that, comprising:
When terminal use's IP access style changes; Strategy sends strategy and charging regulation request to strategy with charging regulation equipment PCRF with charging actuating equipment PCEF, so that said PCRF formulates corresponding strategy and charging regulation according to the IP access style that carries in the described request;
Said PCEF receives strategy and the charging regulation that said PCRF sends; Carry out the operation of said strategy and charging regulation; Said charging comprises online charging or offline charging, and said strategy and charging regulation are that said PCRF formulates according to the IP access style that said PCEF provides;
When said PCEF detects terminal use's IP access style variation, trigger the credit reauthorization process of online charging subsystem to said terminal use.
9. method as claimed in claim 8 is characterized in that,, before said PCRF sends strategy and charging regulation request, also comprises at said PCEF:
Event trigger that said PCEF is provided with and detection reaction IP access style changes and corresponding credit re-authorization trigger;
The IP access style of the current use of said PCEF sense terminals user;
When the IP access style that detects the current use of terminal use as said PCEF changes; Trigger said event trigger; So that said PCEF sends the policy charging rule request to said PCRF, said policy charging rule request comprises the new IP access style of the current use of terminal use.
10. method as claimed in claim 9 is characterized in that, the IP access style of the current use of the real-time sense terminals user of said PCEF.
11. the policy billing method in the I-WLAN system is characterized in that, comprising:
The strategy with charging regulation equipment PCRF with WLAN accessing gateway information WAG information as a reference one of factor carry out the formulation of PCC policy charging rule;
PCRF is issued to packet data gateway PDG with said policy charging rule, so that PDG implementation strategy charging regulation;
PDG keeps watch on the event trigger of marking terminal user WAG information change and/or the credit re-authorization trigger of marking terminal user WAG information change;
When said event trigger is triggered, PDG sends the policy charging rule request to strategy and charging regulation equipment, comprises the WAG information after the variation in the described request;
During online charging, when said credit re-authorization trigger is triggered, PDG sends the request of credit re-authorization to the online charging subsystem.
12. method as claimed in claim 11; It is characterized in that; The address or the sign of the AAA acting server that accesses network WAG was connected when WAG information comprised WAG sign or WAG address and/or roaming, and/or the identification information of the PLMN PLMN at current WAG place.
13. method as claimed in claim 11 is characterized in that event trigger is triggered earlier, is triggered behind the credit re-authorization trigger.
14. the policy billing method in the SAE system is characterized in that, comprising:
The strategy with charging regulation equipment PCRF with the system architecture evolution network information SAE network information as a reference one of factor carry out the formulation of PCC policy charging rule;
PCRF is issued to strategy and the charging actuating equipment PCEF of SAE with said policy charging rule, so that the PCEF implementation strategy charging regulation of SAE;
The PCEF of SAE keeps watch on the event trigger of sign MME/UPE/E-UTRAN information change and/or the credit re-authorization trigger of sign MME/UPE/E-UTRAN information change;
When said event trigger is triggered, the PCEF of SAE sends the policy charging rule request to PCRF, comprises the MME/UPE/E-UTRAN information after the variation in the described request;
During online charging, when said credit re-authorization trigger is triggered, the PCEF of SAE sends the request of credit re-authorization to the online charging subsystem.
15. method as claimed in claim 14; It is characterized in that; The SAE network information comprises the relevant information of Mobility Management Entity MME/ user entity UPE/E-UTRAN; The relevant information of said MME/UPE comprises MME sign or MME address, UPE sign or UPE address, and the relevant information of E-UTRAN comprises the information of presently used E-nodeB sign or E-nodeB address and/or current E-UTRAN place wireless access network operation business.
16. method as claimed in claim 14 is characterized in that, the PCEF of said SAE is user entity UPE, 3GPP anchor point or SAE anchor point.
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