CN101127629A - 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, it is exactly one of most important control wherein that strategy and chargeing is controlled.
See also Fig. 1, it is the principle framework figure of the policy and charging control (PCC) in the system of 3GPPrelease7 (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 16.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 a billing function.It is a functional framework that can be applied to multiple connecting system.Such as, the PCC framework can be applicable to finish the policy control and the charging of GPRS connecting system and I-WLAN connecting system in existing GPRS (GPRS) connecting system and existing I-WLAN (intercommunicated wireless local area network) 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 (public group data gateway).
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 this class technology evolution: reduce time delay, Gao Su user data rate more, the reduction of the power system capacity of enhancing and coverage and operator's integral body cost.Prospect just because of this class access technology exists makes the 3GPP evolvement network obtain developing swift and violently.Equally, the 3GPP evolvement network also needs to 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 at the IP access style, therefore existing credit management mechanism can not be fit to multiple IP connecting system, need rebulid the credit management at 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, in the terminal use moves in the solution prior art, there are situations such as variation of IP access style or network information variation, the technical problem of policy control that causes and billing operation inaccuracy.
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 comprises credit re-authorization trigger with the charging actuating equipment in the communication system provided by the invention, wherein:
Described credit re-authorization trigger: be used for when the IP access style of the current use of online charging process terminal use changes, trigger credit reauthorization process to described terminal use.
Preferably, also comprise:
Event trigger: be used for before described credit re-authorization trigger is triggered, when the IP access style changes, trigger the process of the IP access style corresponding strategy charging regulation after obtaining to change.
Preferably, strategy and charging actuating equipment are strategy and the charging actuating equipment PCEF of user's face anchor point IASA, packet data gateway PDG or Solution Architecture SAE between the different access systems.
Preferably, the PCEF of 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 at least;
Described PCRF is used to generate strategy and charging regulation;
When being used for online charging, described OCS the terminal use is carried out credit authorization according to described strategy and charging regulation;
Described strategy and charging actuating equipment are used to carry out strategy and the charging regulation that described PCRF formulates;
Wherein, described strategy and charging actuating equipment also comprise credit re-authorization trigger, are used for triggering the credit reauthorization process of described OCS to described terminal use when the IP access style that the online charging process detects the current use of terminal use changes.
Preferably, also comprise:
Event trigger: be used for before described credit re-authorization trigger is triggered, when the IP access style changes, trigger the process of the IP access style corresponding strategy charging regulation after described strategy and charging actuating equipment obtain to change.
Preferably, strategy and charging actuating equipment are user's face 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:
When strategy and charging actuating equipment detect terminal use's IP access style variation, trigger the credit reauthorization process of online charging subsystem to described terminal use.
A kind of online charging method provided by the present invention comprises:
When strategy and charging actuating equipment detect the variation of IP access style, trigger the credit reauthorization process of online charging subsystem to the terminal use;
Described online charging subsystem carries out the credit re-authorization according to described terminal use's current IP access style.
Preferably, also comprise: when strategy and charging actuating equipment detect the variation of IP access style, the process of the IP access style corresponding strategy charging regulation after trigger policy and charging regulation equipment obtain to change.
Policy billing method in a kind of I-WLAN provided by the invention system comprises:
Strategy carries out the PCC strategy meter slightly formulation of rule with WAG information as one of reference factor with charging actuating equipment PCRF;
PCRF is issued to public data gateway PDG with described policy charging rule.
Preferably, also comprise:
PDG monitors 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 described 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 described 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 Public Land Mobile Nerwork 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:
Strategy carries out the PCC strategy meter slightly formulation of rule with the SAE network information as one of reference factor with charging actuating equipment PCRF;
PCRF is issued to described policy charging rule the PCEF 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 described 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, also comprise:
The PCEF of SAE monitors 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 described 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 described credit re-authorization trigger is triggered, the PCEF of SAE sends the request of credit re-authorization to online subsystem.
Preferably, the PCEF of described 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 the IP type 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 is incorporated into the new network information strategy of SAE and I-WLAN network and charges Guaranteed as the reference factor, help the PCC framework and carry out more fully policy charging rule decision-making, and when changing, the corresponding network information triggers corresponding handling process 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 3GPPrelease7;
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 example for carrying out online charging in the I-WLAN network;
Fig. 8 handles the flow chart of example for carry out online charging in the SAE network.
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 as 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 dynamic policy control.When service surface was carried out parameter negotiation, AF22 passed to PCRF23 with related service information.If these business information are tactful consistent with PCRF23's, PCRF23 accepts this consultation business service parameter, otherwise PCRF23 refuses this negotiation, and can provide the acceptable service parameter of PCRF23 in feedback 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 the network control rule based on business data flow, and these network controls comprise detection, gate (gating), the 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 carries out the PCC decision-making with the IP access style as one of reference factor.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 can carry out more accurate, more timely and more fully control by introducing the IP access style to the professional and professional employed resource in the network as one of parameter factor.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: policy control and charging regulation are carried out functional 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 described terminal use's credit re-authorization.PCEF can also comprise event trigger 241, is used for before credit re-authorization trigger is triggered, and sign IP access style changes the process that the IP access style corresponding strategy charging regulation after obtaining to change is triggered in the back.
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 abort process, 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 deleted immediately, and customer service is interrupted.
OFCS25: off-line accounting system, finish billing operation under the offline charging mode with PCEF.
In the present invention, when the IP access style changes, also need to carry out credit management.Connect the situation of multiple IP connecting system at 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, described PCRF is used to generate strategy and charging regulation; When being used for online charging, described OCS the terminal use is carried out credit authorization according to described strategy and charging regulation; Described strategy and charging actuating equipment are used to carry out strategy and the charging regulation that described PCRF formulates; Described strategy and charging actuating equipment also comprise credit re-authorization trigger, are used for triggering the credit reauthorization process of described OCS to described terminal use when the IP access style that the online charging process detects the current use of terminal use changes.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 described credit re-authorization trigger is triggered, and sign IP access style changes the process that the IP access style corresponding strategy charging regulation after PCRF obtains to change is triggered in the back.
At 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 described 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 variation of IP access style, 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 described terminal use's current IP access style.
When strategy and charging actuating equipment detect the variation of IP access style, the process of the IP access style corresponding strategy charging regulation after trigger policy and charging regulation equipment obtain to change.
By 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 terminal is chargeed, and 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's face 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's face 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 may use the wireless access network of a plurality of wireless access network operation business.
It can also be seen that from said frame, also need to adopt PCC to carry out policy control and billing operation in evolution network framework, 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's face 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 being used to detect terminal and changing, trigger to carry out credit re-authorization to described terminal use with the IP access style of the current use of corpse.
Perhaps, PCEF includes only credit re-authorization trigger: be used for triggering to carry out the credit re-authorization to described terminal use when the IP access style that the online charging process detects the current use of terminal use changes.
When SAEIASA as strategy when the charging actuating equipment, introduce the online charging handling process (seeing also Fig. 6) when the IP connecting system taking place changing.
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: the new network information is carried out the policy charging rule decision-making as the reference factor, and trigger corresponding treatment mechanism when the corresponding network information changes.
Policy billing method in the I-WLAN system, it comprises:
Strategy carries out the PCC strategy meter slightly formulation of rule with WAG information as one of reference factor with charging actuating equipment PCRF;
PCRF is issued to PDG with described policy charging rule;
PDG monitors 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 described 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 described credit re-authorization trigger is triggered, PDG sends the request of credit re-authorization to online subsystem.
The address or the sign of the 3GPPAAA 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 Public Land Mobile Nerwork PLMN at current WAG place.Described WAG information is passed through the Wm interface and is obtained, or obtains or pass through to receive the WAG information acquisition of 3GPPAAA server transmission by visit 3GPPAAA server.
See also Fig. 7, it handles the flow chart of example for carry out online charging in the I-WLAN network.
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 this information is reported to strategy and 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 described MME/UPE comprises MME sign or MME address, UPE sign or LUPE 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;
PCRF carries out the slightly formulation of rule of PCC strategy meter with the SAE network information as one of reference factor, and will formulate the PCEF that good policy charging rule is issued to SAE;
The PCEF implementation strategy charging regulation of SAE;
At 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, events corresponding trigger and corresponding credit re-authorization trigger are triggered: 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 (may be UPE, 3GPP Anchor or SAE Anchor) obtain the relevant information of the current MME/UPE/E-UTRAN that connects, and this information reported PCRF, PCRF carries out the PCC decision-making with it as one of reference factor, obtains corresponding PCC rules/decision and sends to the PCEF execution.
For different MME/UPE/E-UTRAN, PCRF can obtain different PCCrules/decision.Further, increase the event trigger and/or the credit re-authorization trigger that change at 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 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 speech breath 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 trigger mechanism SAE and I-WLAN network, helps the applicating adn implementing of PCC framework in these networks.
More than disclosed only be 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 (20)
1. strategy and charging actuating equipment in the communication system is characterized in that, comprise credit re-authorization trigger, wherein:
Described credit re-authorization trigger: be used for when the IP access style of the current use of online charging process terminal use changes, trigger credit reauthorization process to described terminal use.
2. equipment as claimed in claim 1 is characterized in that, also comprises:
Event trigger: be used for before described credit re-authorization trigger is triggered, when the IP access style changes, trigger the process of the IP access style corresponding strategy charging regulation after obtaining to change.
3. equipment as claimed in claim 1 or 2 is characterized in that, strategy and charging actuating equipment are strategy and the charging actuating equipment PCEF of user's face anchor point IASA, packet data gateway PDG or Solution Architecture SAE between the different access systems.
4. equipment as claimed in claim 3 is characterized in that, the PCEF of SAE is user entity UPE, 3GPP anchor point or SAE anchor point.
5. Online Charging System in the mobile communication comprises online charge subsystem OCS, strategy and charging regulation equipment PCRF and tactful and charging actuating equipment at least;
Described PCRF is used to generate strategy and charging regulation;
When being used for online charging, described OCS the terminal use is carried out credit authorization according to described strategy and charging regulation;
Described strategy and charging actuating equipment are used to carry out strategy and the charging regulation that described PCRF formulates;
It is characterized in that, described strategy and charging actuating equipment also comprise 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 the credit reauthorization process of described OCS to described terminal use.
6. system as claimed in claim 5 is characterized in that, also comprises:
Event trigger: be used for before described credit re-authorization trigger is triggered, when the IP access style changes, trigger the process of the IP access style corresponding strategy charging regulation after described strategy and charging actuating equipment obtain to change.
7. as claim 5 or 6 described systems, it is characterized in that strategy and charging actuating equipment are user's face 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.
8. system as claimed in claim 7 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.
9. system as claimed in claim 7 is characterized in that, the PCEF of SAE is user entity UPE, 3GPP anchor point or SAE anchor point.
10. the method for credit authorization in the online charging process is characterized in that, 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 described terminal use.
11. an online charging method is characterized in that, comprising:
When strategy and charging actuating equipment detect the variation of IP access style, trigger the credit reauthorization process of online charging subsystem to the terminal use;
Described online charging subsystem carries out the credit re-authorization according to described terminal use's current IP access style.
12. method as claimed in claim 11 is characterized in that, comprising: when strategy and charging actuating equipment detect the variation of IP access style, the process of the IP access style corresponding strategy charging regulation after trigger policy and charging regulation equipment obtain to change.
13. the policy billing method in the I-WLAN system is characterized in that, comprising:
Strategy carries out the PCC strategy meter slightly formulation of rule with WAG information as one of reference factor with charging actuating equipment PCRF;
PCRF is issued to public data gateway PDG with described policy charging rule.
14. method as claimed in claim 13 is characterized in that, also comprises:
PDG monitors 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 described 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 described credit re-authorization trigger is triggered, PDG sends the request of credit re-authorization to online subsystem.
15. as claim 13 or 14 described methods, 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 Public Land Mobile Nerwork PLMN at current WAG place.
16. method as claimed in claim 14 is characterized in that event trigger is triggered earlier, is triggered behind the credit re-authorization trigger.
17. the policy billing method in the SAE system is characterized in that, comprising:
Strategy carries out the PCC strategy meter slightly formulation of rule with the SAE network information as one of reference factor with charging actuating equipment PCRF;
PCRF is issued to described policy charging rule the PCEF of SAE.
18. the method for stating as claim 17, 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 described 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.
19. method as claimed in claim 18 also comprises:
The PCEF of SAE monitors 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 described 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 described credit re-authorization trigger is triggered, the PCEF of SAE sends the request of credit re-authorization to online subsystem.
20. method as claimed in claim 17 is characterized in that, the PCEF of described SAE is user entity UPE, 3GPP anchor point or SAE anchor point.
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