CN101047989A - Strategy and charging control method at user roaming state - Google Patents
Strategy and charging control method at user roaming state Download PDFInfo
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- CN101047989A CN101047989A CNA2006100837350A CN200610083735A CN101047989A CN 101047989 A CN101047989 A CN 101047989A CN A2006100837350 A CNA2006100837350 A CN A2006100837350A CN 200610083735 A CN200610083735 A CN 200610083735A CN 101047989 A CN101047989 A CN 101047989A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/14—Charging, metering or billing arrangements for data wireline or wireless communications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/14—Charging, metering or billing arrangements for data wireline or wireless communications
- H04L12/1442—Charging, metering or billing arrangements for data wireline or wireless communications at network operator level
- H04L12/1446—Charging, metering or billing arrangements for data wireline or wireless communications at network operator level inter-operator billing
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Abstract
This invention discloses a strategy and billing control method in the state of users' roaming, including: AF accesses UE business information and sends to PCRF of user attaching network, and PCRF generates the information needed in setting the strategy and billing control rules according to it and sends to PCRF of the visit network. According to the information sent from PCRF of user attaching network, PCRF of the visit network set the rules of strategy and billing control, and sends to PCEF.
Description
Technical field
The present invention relates to wireless communication field, more particularly, relate to strategy and billing control method under a kind of user roaming state.
Background technology
In third generation partner program (3GPP), discuss based on the charging (FBC, Flow Based Charging) of Internet protocol (IP) stream for realization.For a Packet data service, the user is using the data volume that this business consumed to be called business data flow (Service DataFlow), and business data flow is the set that a plurality of IP streams are formed.And in a PDP Context (context), can carry a plurality of different business, and therefore be far smaller than charging based on PDP Context based on the granularity of the charging of IP stream, thus can for operator or service supplier provides the more charging means of horn of plenty.
Divide for the functional entity of realizing FBC according to present 3GPP, TPF carries IP traffic, when IP carrying is set up or during bearing modification (QoS is consulted again), TPF can send the charging regulation request to CRF by the Gx interface, can carry user's information relevant in the request (as Mobile Subscriber International ISDN number MSISDN with terminal, IMSI International Mobile Subscriber Identity IMSI), the relevant information of bearer properties (as QoS information etc.) and network is (as Mobile Network Code MNC, Mobile Country Code MCC MCC), the information of carrying in the charging regulation request message of CRF according to TPF, select a suitable charging regulation to return, comprise billing mechanism (adopting online charging or offline charging) in the charging regulation to TPF, charge type (also being based on the charging of flow based on duration), charging key (parameter relevant) with rate, business datum flow filter and this charging regulation priority.Wherein, be used to indicate TPF need filter out in the business datum filter and be applied to this charging regulation for which IP stream.Can comprise IP5 tuple information such as (source/purpose IP address, source/destination interface number, agreement ID) in the filter, as to be used for CRF indication TPF need be 10.0.0.1 for source address, destination address is 10.0.0.2, source/destination slogan is 20, agreement is that the IP traffic of TCP filters, and uses charging regulation to charge to the IP traffic that filters out.
CRF can provide Event trigger (trigger event) to TPF, in order to notice TPF when some incidents takes place, the charging regulation that need please look for novelty to CRF, the charging regulation that requires TPF when some bearing modification incident takes place, just please look for novelty as CRF to CRF.The TPF that can cause that defines in the standard asks the event trigger of charging regulation to comprise SGSN change (SGSN variation) again at present, QoS change (QoS variation), RAT type change (variation of RAT type) and TFT change (TFT variation).In addition, CRF is except the input information according to TPF decides the charging regulation of choosing, and CRF can also accept AF or the input information of OCS decides the charging regulation of choosing.Such as, what AF notice CRF active user used is any business, thus CRF chooses the charging regulation corresponding with this business.
OCS is made up of SCP (Service Control Point service control point) and two functional entitys of CCF (Credit Control Function credit control function) as Online Charging System, and the user credit when wherein CCF is to online charging manages.When the user used business, CCF carried out authentication to the credit in this user's the credit pool, and issued the operable credit of user to TPF.In addition, OCS can require TPF to report to OCS when some discrimination weight incidents (Re-authorisation triggers) take place, and this moment, OCS carried out discrimination weight according to the incident that TPF reports to the user, and may calculate again user's credit.When chargeing as the subregion, operator uses different charging rates for the user of different regions, OCS determines a rate according to user's present located position, and calculate user's credit according to this rate, when the user moves to another position, as the SGSN change events has taken place, TPF needs this event notice to OCS, OCS determines new rate according to the new residing position of user, and recomputates the new credit of user.And for example, when OCS uses professional QoS to determine rate according to the user, when the user has carried out the QoS modification, as the bearing modification incident has taken place, TPF needs this event notice to OCS.OCS determines new rate according to new QoS, and recomputates the new credit of user.These that define in the standard may cause that the incident of discrimination weight comprises that credit expired (credit authorisation lifetime expiry), user idle state overtime (idle timeout), the charging regulation of permission change (charging rule is changed) at present, in addition, some GPRS incidents such as SGSN change (SGSN change), QoS changes (QoS changes), RAT type change (RAT typechange) etc.
Corresponding to GPRS network, TPF is GGSN, and AF is a Service Gateway among the PDN, or service server, and CRF is newly-increased logic entity.The function of TPF is that charging regulation is carried out point, and CRF is the control point of charging regulation.For providing conversation-based policy control scheme (SBLP) among the Rel6 and based on the billing scheme (FBC) of SDF (Service Data Flow), these two schemes have certain function plyability (for example, FBC can provide policy control functions to a certain degree).So just cause a problem, a same function (for example gating function) uses SBLP and FBC to realize.Simultaneously, the information that reference point interface transmitted that two kinds of mechanism is used also have bigger repetition, and therefore, this complexity that repeats to increase system has reduced the efficient of system.From the another one aspect, this come mechanism that issues of strategy and charge information branch also can be increased the time delay of system operation (for example carrying is set up).
In order to improve the efficient of system, simplify the operation, reduce time delay, need to consider the policy control and the control of chargeing are merged, this fusion simultaneously also is possible, the mechanism after the fusion is exactly PCC.
In the PCC of new Rel7, these two function schemes will fully merge in the new function structure.This real time interactive operation system that optimization better is provided in GGSN (and GW of other Access Network) that is beneficial to that is associated with.The same with FBC, the basic object of operating in PCC is SDF.Similarly, all operations are all passed through PCC rule (being charging rule) and are expressed and be sent among the execution functional entity in the network in FBC in PCC.CAMEL-Subscription-Information, new binding mechanism and the combination of PCC rule make PCC can be suitable for more generally applied environment (AF, no AF, GPRS and non-GPRS carrying etc. are arranged).PCC provides a more unitized operating platform for the enforcement of how new application.
In order to guarantee the competitiveness of 3GPP system in the following time, the work of an access technology evolution is just carried out at the 3GPP organization internal.Particularly, in the 3GPP system, use group technology to need further to strengthen in order to strengthen the 3GPP system handles ability of the IP data service of growth fast.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.The core net of wireless evolution network mainly comprises three logic function modules of user's face anchor point between mobile management module (MME), user entity (UPE), connecting system (Inter AS Anchor), 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 for 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, wherein the function of each interface and whether exist is not still finally determined, and MME, UPE, how three functional modules of Inter AS Anchor are combined in the entity also is undetermined.
This shows, in evolution network framework, also need to adopt PCC to carry out policy control and billing operation.But, determine as yet at present for the position of PCEF, might be on the MME/UPE entity, also might be on Inter-AS Anchor.No matter how the position of PCEF changes, and present PCC framework is constant basically.In traditional PCC framework, after receiving business information from AF, PCRF carries out checked operation to it and it is preserved, and when PCEF received strategy and charging control rule request, PCRF just carries out corresponding strategy according to relevant information and charging control rule is formulated up to PCRF.This is a kind of pull pattern, and just, PCEF needs to go for to PCRF on one's own initiative to ask charging regulation.
Yet, clearly not work as the user in the present standard and be under the roaming situation, how network carries out the PCC control of Push pattern, to realize strategy and the charging control flow to UE.
Summary of the invention
In view of this, main purpose of the present invention is strategy and the billing control method that proposes under a kind of user roaming state, to realize being in the strategy of roaming situation Push of following time pattern and the control of chargeing as the user.
For achieving the above object, technical scheme of the present invention is achieved in that
Strategy under a kind of user roaming state and billing control method, this method comprises:
A, application function (AF) send to the business information of UE the PCRF of user attaching network, the PCRF of user attaching network is according to this business information, generate to formulate visited network side strategy and the required information of charging control rule, and will formulate the PCRF that visited network side strategy and the required information of charging control rule send to visited network;
The PCRF of B, visited network formulates visited network side strategy and charging control rule according to the described information that the PCRF of user attaching network sends, and described visited network side strategy and charging control rule is sent to the PCEF of described visited network.
This method further comprises behind step B:
The PCRF of C, user attaching network is according to this business information, generates home network side strategy and charging control rule, and described home network side strategy and charging control rule sent to the PCEF of user attaching network.
This method further comprises after step C:
D1, initiated to set up carrying with the PCEF of user attaching network by the PCEF of visited network, the PCEF of visited network sets up carrying with UE;
E1, UE and Correspondent Node carry out service interaction, the PCEF of user attaching network is according to home network side strategy and charging control rule implementation strategy and the control of chargeing, and the PCEF of visited network is according to visited network side strategy and charging control rule implementation strategy and the control of chargeing.
This method further comprises after step C:
D2, initiated to set up carrying with the PCEF of visited network by the PCEF of user attaching network, the PCEF of visited network sets up carrying with UE;
E2, UE and Correspondent Node carry out service interaction, the PCEF of user attaching network is according to home network side strategy and charging control rule implementation strategy and the control of chargeing, and the PCEF of visited network is according to visited network side strategy and charging control rule implementation strategy and the control of chargeing.
Described step D1 comprises:
The PCEF of D11, visited network sends carrying to UE and sets up request, and UE returns carrying to the PCEF of visited network and sets up response, finishes the PCEF of visited network and the carrying of UE and sets up;
The PCEF of D12, visited network sends carrying to the PCEF of user attaching network and sets up request, and the PCEF of user attaching network returns carrying to the PCEF of visited network and sets up response, finishes the carrying of the PCEF of the PCEF of visited network and user attaching network and sets up.
Described step D1 comprises:
The PCEF of D21, visited network sends carrying to UE and sets up demand, UE sets up demand according to described carrying and sends carrying foundation request to the PCEF of visited network, the PCEF of visited network returns carrying to UE and sets up response, finishes the PCEF of visited network and the carrying of UE and sets up;
The PCEF of D22, visited network sends carrying to the PCEF of user attaching network and sets up request, and the PCEF of user attaching network returns carrying to the PCEF of visited network and sets up response, finishes the carrying of the PCEF of the PCEF of visited network and user attaching network and sets up.
Described step D2 comprises:
The PCEF of D31, user attaching network sends carrying to the PCEF of visited network and sets up request, and the PCEF of visited network sends carrying to UE and sets up request;
D32, UE return carrying to the PCEF of visited network and set up response, finishing UE sets up with the carrying of the PCEF of visited network, the PCEF of visited network returns carrying to the PCEF of user attaching network and sets up response, and the PCEF that finishes the user attaching network sets up with the carrying of the PCEF of visited network.
Described step D2 comprises:
The PCEF of D41, user attaching network sends carrying to the PCEF of visited network and sets up request, the PCEF of visited network sends carrying to UE and sets up demand, UE sets up demand according to described carrying and sends carrying foundation request to the PCEF of visited network, the PCEF of visited network returns carrying to UE and sets up response, finishes the PCEF of visited network and the carrying of UE and sets up;
The PCEF of D42, visited network returns carrying to the PCEF of user attaching network and sets up response, finishes the PCEF of visited network and the PCEF carrying of user attaching network and sets up.
Described formulation visited network side strategy and the required information of charging control rule comprise: visited network inserts user attaching network node sign.
Described visited network inserts user attaching network node sign and comprises: IP address or network node numbering.
Described business information comprises Business Stream;
The PCRF of the described user attaching network of steps A generates formulation visited network side strategy and the required information of charging control rule and comprises according to this business information:
The PCRF of user attaching network generates visited network side strategy and the required information of charging control rule formulated according to the Business Stream that is identified in the business information and/or network self trigger event and/or user signing contract information.
Described user signing contract information is obtained from SPR by the Sp interface.
The PCEF of described visited network is positioned on the Inter AS Anchor or is positioned at UPE and goes up or be positioned on the MME.
The PCEF of described user attaching network is positioned on the Inter AS Anchor or is positioned at UPE and goes up or be positioned on the MME.
The PCRF of the described user attaching network of steps A will formulate the PCRF that visited network side strategy and the required information of charging control rule sends to visited network:
The PCRF of user attaching network initiatively will formulate the PCRF that visited network side strategy and the required information of charging control rule are pushed to visited network, or
The PCRF notice visited network PCRF customer service request of user attaching network, after visited network PCRF receives this customer service request, formulate visited network side strategy and the required information of charging control rule to the PCRF of user attaching network request, the PCRF of home network returns this formulation visited network side strategy and the required information of charging control rule to visited network PCRF then.
From technique scheme as can be seen, in the present invention, at first, AF obtains the business information of user equipment (UE), and this business information is sent to the PCRF of user attaching network, the PCRF of user attaching network is according to this business information, generates to formulate visited network side strategy and the required information of charging control rule, and will formulate the PCRF that visited network side strategy and the required information of charging control rule send to visited network; Then, the PCRF of visited network formulates visited network side strategy and charging control rule according to the information that the PCRF of user attaching network sends, and visited network side strategy and charging control rule is sent to the PCEF of visited network.Equally, the present invention has realized that also the corresponding PCRF of user attaching network returns home network side strategy and charging control rule to the PCEF of user attaching network.Therefore, the present invention has realized being in the strategy of roaming situation Push of following time pattern and the control of chargeing as the user.
In addition, the present invention has also greatly reduced visited network with the internetwork Signalling exchange of user attaching, is very beneficial for improving the efficient of internetwork ability and service negotiation.
Description of drawings
Fig. 1 is the exemplary flow schematic diagram of the strategy under the user roaming state and billing control method according to the present invention.
Fig. 2 is the exemplary flow schematic diagram according to strategy under the user roaming state of first embodiment of the invention and billing control method.
Fig. 3 is the exemplary flow schematic diagram according to strategy under the user roaming state of second embodiment of the invention and billing control method.
Fig. 4 is the exemplary flow schematic diagram according to strategy under the user roaming state of third embodiment of the invention and billing control method.
Fig. 5 is the exemplary flow schematic diagram according to strategy under the user roaming state of fourth embodiment of the invention and billing control method.
Fig. 6 is the exemplary flow schematic diagram according to strategy under the user roaming state of fifth embodiment of the invention and billing control method
Fig. 7 is the exemplary flow schematic diagram according to strategy under the user roaming state of sixth embodiment of the invention and billing control method.
Fig. 8 is the exemplary flow schematic diagram according to strategy under the user roaming state of seventh embodiment of the invention and billing control method.
Embodiment
For making the purpose, technical solutions and advantages of the present invention express clearlyer, the present invention is further described in more detail below in conjunction with drawings and the specific embodiments.
Main thought of the present invention is: at first, AF obtains the business information of user equipment (UE), and this business information is sent to the PCRF of user attaching network, the PCRF of user attaching network is according to this business information, generate to formulate visited network side strategy and the required information of charging control rule, and will formulate the PCRF that visited network side strategy and the required information of charging control rule send to visited network; Then, the PCRF of visited network formulates visited network side strategy and charging control rule according to the information that the PCRF of user attaching network sends, and visited network side strategy and charging control rule is sent to the PCEF of visited network.And the PCRF of user attaching network can generate home network side strategy and charging control rule according to this business information, and home network side strategy and charging control rule is sent to the PCEF of user attaching network.
Fig. 1 is the exemplary flow schematic diagram of the strategy under the user roaming state and billing control method according to the present invention.As shown in Figure 1, this method comprises:
Step 101:AF obtains the business information of UE, and this business information is sent to the PCRF (Visit PCRF) of user attaching network, the PCRF of user attaching network is according to this business information, generate to formulate visited network side strategy and the required information of charging control rule, and will formulate the PCRF that visited network side strategy and the required information of charging control rule send to visited network;
Described business information generally includes Business Stream; The PCRF of user attaching network generates visited network side strategy and the required information of charging control rule formulated according to the Business Stream that is identified in the business information and/or network self trigger event and/or user signing contract information at this moment.
Step 102: the PCRF of visited network formulates visited network side strategy and charging control rule according to the described information that the PCRF of user attaching network sends, and described visited network side strategy and charging control rule is sent to the PCEF (Visit PCEF) of described visited network.
Here, the UPE that the PCEF of visited network can be positioned at visited network goes up or MME/UPE goes up or Inter AS Anchor on, or on other network entity.In the required information of described formulation visited network side strategy and charging control rule, can carry visited network and insert user attaching network node sign, and this network access user home network node sign can be IP address, network node numbering or other form.
Preferably, also need to formulate the strategy and the charging control rule of user attaching network side.Below the strategy of user attaching network side and the preferred formulation process of charging control rule are described.Immediately following said process, after step 102, the PCRF of user attaching network (Home PCRF) is according to this business information, generates home network side strategy and charging control rule, and described home network side strategy and charging control rule sent to the PCEF (Home PCEF) of user attaching network.Equally, the PCEF of user attaching network can be positioned at the UPE of user attaching network or MME/UPE goes up or Inter AS Anchor on, or on other network entity.
In the above process, both can initiate to set up carrying, and can also initiate by the PCEF of user attaching network to set up carrying with the PCEF of visited network with the PCEF of user attaching network by the PCEF of visited network.
The first embodiment of the present invention is described below, in first embodiment, by the PCEF initiation of visited network and the PCEF foundation carrying of user attaching network.Fig. 2 is the exemplary flow schematic diagram according to strategy under the user roaming state of first embodiment of the invention and billing control method.As shown in Figure 2, this method comprises:
Step 201:AF obtains the business information of UE, and here business information is preferably carried out session parameter with Correspondent Node and consulted relevantly, and this business information is sent to the PCRF of user attaching network.
Step 202: the service related information that the PCRF of user attaching network storage receives, generate strategy and the foundation of charging control rule as follow-up, and return acknowledge message to AF.
Step 203: Business Stream that is identified in the business information that the PCRF of user attaching network provides according to AF or network self trigger event generate generates strategy and information that charging control rule is required, wherein the foundation of Sheng Chenging comprises business information that AF provides and with the signatory relevant information of user etc., if this user-dependent CAMEL-Subscription-Information not among the PCRF of user attaching network will obtain from SPR by the Sp interface.Subsequently, the PCRF of user attaching network will generate strategy according to user place roaming network and the charging control rule information needed is pushed to the corresponding visited network PCRF at UE roaming place.
The visited network PCRF at step 204:UE roaming place receives corresponding information, generates strategy and the foundation of charging control rule as follow-up, and returns acknowledge message to the PCRF of user attaching network.
Step 205: the relevant information that the PCRF of visited network provides according to the PCRF of user attaching network and the network configuration and/or the roaming agreement of visited network are formulated visited network side strategy and charging control rule, and the visited network PCEF that the visited network side strategy formulated and charging control rule are pushed to UE roaming place;
Perhaps the relevant information that provides according to the PCRF of user attaching network of the PCRF of visited network and the network configuration and/or the roaming agreement of visited network are formulated visited network side strategy and charging control rule, and the visited network PCEF request visited network side strategy and the charging control rule at notice UE roaming place, the visited network PCEF at UE roaming place is to the PCRF of visited network request strategy and charging control rule, and the PCRF of visited network returns visited network side strategy and charging control rule.
Step 206: the PCRF of user attaching network formulates user attaching network side strategy and charging control rule, and user attaching network side strategy and the charging control rule of formulating is pushed to the PCEF that visited network inserts the user attaching network;
Perhaps the PCRF of user attaching network formulates user attaching network side strategy and charging control rule, and notice user attaching network PCEF request user attaching network side strategy and charging control rule, user attaching network PCEF is to the PCRF of user attaching network request strategy and charging control rule, and the PCRF of user attaching network returns user attaching network side strategy and charging control rule.
Step 207: visited network PCEF carries foundation with UE.
Step 208: visited network PCEF request is set up carrying foundation with the PCEF of user attaching network.
Step 209: the PCEF of user attaching network returns carrying to visited network PCEF and sets up response, finishes carrying and sets up.
Step 210:UE and Correspondent Node carry out session, and the PCEF of user attaching network and visited network PCEF carry out corresponding strategy respectively and the control of chargeing.
Wherein, when carrying with the PCEF foundation of user attaching network, both can initiatively initiate carrying foundation request to UE by the PCEF of visited network by the PCEF initiation of visited network, also can be by the UE active to the PCEF of visited network initiation carrying foundation request.Fig. 3 is the exemplary flow schematic diagram according to strategy under the user roaming state of second embodiment of the invention and billing control method.As shown in Figure 3, this method comprises:
Step 301:AF obtains the business information of UE, and here business information is preferably carried out session parameter with Correspondent Node and consulted relevantly, and this business information is sent to the PCRF of user attaching network.
Step 302: the service related information that the PCRF of user attaching network storage receives, generate strategy and the foundation of charging control rule as follow-up, and return acknowledge message to AF.
Step 303: Business Stream that is identified in the business information that the PCRF of user attaching network provides according to AF or network self trigger event generate generates strategy and information that charging control rule is required, the foundation that generates comprise business information that AF provides and and user's relevant information etc. of contracting, if this user-dependent CAMEL-Subscription-Information not among the PCRF of user attaching network will obtain from SPR by the Sp interface.Subsequently, the PCRF of user attaching network is according to user place roaming network, will generate strategy and the charging control rule information needed is pushed to the corresponding visited network PCRF at UE roaming place.
The visited network PCRF at step 304:UE roaming place receives corresponding information, generates strategy and the foundation of charging control rule as follow-up, and returns acknowledge message to the PCRF of user attaching network.
Step 305: the relevant information that visited network PCRF provides according to the PCRF of user attaching network and the network configuration and/or the roaming agreement of visited network are formulated visited network side strategy and charging control rule, and the visited network PCEF that the visited network side strategy formulated and charging control rule are pushed to UE roaming place;
Perhaps the relevant information that provides according to the PCRF of user attaching network of the PCRF of visited network and the network configuration and/or the roaming agreement of visited network are formulated visited network side strategy and charging control rule, and the visited network PCEF request visited network side strategy and the charging control rule at notice UE roaming place, the visited network PCEF at UE roaming place is to the PCRF of visited network request strategy and charging control rule, and the PCRF of visited network returns visited network side strategy and charging control rule.
Here, the PCEF of described visited network can be positioned on the MME or UPE or INTER AS ANCHOR of visited network.
Step 306: the PCRF of user attaching network formulates user attaching network side strategy and charging control rule, and user attaching network side strategy and the charging control rule of formulating is pushed to the PCEF that visited network inserts the user attaching network;
Perhaps the PCRF of user attaching network formulates user attaching network side strategy and charging control rule, and notice user attaching network PCEF request user attaching network side strategy and charging control rule, user attaching network PCEF is to the PCRF of user attaching network request strategy and charging control rule, and the PCRF of user attaching network returns user attaching network side strategy and charging control rule.
Step 307: the PCEF of visited network initiates carrying to UE and sets up request.
Step 308:UE returns carrying to the PCEF of visited network and sets up response, finishes carrying and sets up.
Step 309: the PCEF request of visited network is set up carrying foundation with the PCEF of user attaching network.
Equally, the PCEF of user attaching network can be positioned on MME or UPE or the INTER ASANCHOR.
Step 310: the PCEF of user attaching network returns carrying to the PCEF of visited network and sets up response, finishes carrying and sets up.
Step 311:UE and Correspondent Node carry out session, and the PCEF of user attaching network and the PCEF of visited network be the implementation strategy and the control of chargeing respectively.
Among the present invention, when carrying with the PCEF foundation of user attaching network, can also initiatively ask by UE to the PCEF of visited network initiation carrying foundation by the PCEF initiation of visited network.Fig. 4 is the exemplary flow schematic diagram according to strategy under the user roaming state of third embodiment of the invention and billing control method.As shown in Figure 4, this method comprises:
Step 401:AF obtains the business information of UE, and here business information is preferably carried out session parameter with Correspondent Node and consulted relevantly, and this business information is sent to the PCRF of user attaching network.
Step 402: the service related information that the PCRF of user attaching network storage receives, generate strategy and the foundation of charging control rule as follow-up, and return acknowledge message to AF.
Step 403: Business Stream that is identified in the business information that the PCRF of user attaching network provides according to AF or network self trigger event generate and generate strategy and the needed information of charging control rule, the foundation that generates comprise business information that AF provides and and user's relevant information etc. of contracting, if this user-dependent CAMEL-Subscription-Information not among the PCRF of user attaching network will obtain from SPR by the Sp interface.Subsequently, the PCRF of user attaching network will generate strategy according to user place roaming network and the charging control rule information needed is pushed to the corresponding visited network PCRF at UE roaming place.
The visited network PCRF at step 404:UE roaming place receives corresponding information, generates strategy and the foundation of charging control rule as follow-up, and returns acknowledge message to the PCRF of user attaching network.
Step 405: the relevant information that the PCRF of visited network provides according to the PCRF of user attaching network and the network configuration and/or the roaming agreement of visited network are formulated visited network side strategy and charging control rule, and the visited network PCEF that the visited network side strategy formulated and charging control rule are pushed to UE roaming place;
Perhaps the relevant information that provides according to the PCRF of user attaching network of the PCRF of visited network and the network configuration and/or the roaming agreement of visited network are formulated visited network side strategy and charging control rule, and the visited network PCEF request visited network side strategy and the charging control rule at notice UE roaming place, the visited network PCEF at UE roaming place is to the PCRF of visited network request strategy and charging control rule, and the PCRF of visited network returns visited network side strategy and charging control rule.
Here, same, the PCEF of described visited network can be positioned on the MME or UPE or INTER AS ANCHOR of visited network.
Step 406: the PCRF of user attaching network formulates user attaching network side strategy and charging control rule, and the user attaching network side strategy formulated and charging control rule are pushed to visited network insert user attaching network PCEF;
Perhaps the PCRF of user attaching network formulates user attaching network side strategy and charging control rule, and notice user attaching network PCEF request user attaching network side strategy and charging control rule, user attaching network PCEF is to the PCRF of user attaching network request strategy and charging control rule, and the PCRF of user attaching network returns user attaching network side strategy and charging control rule.
Step 407: the PCEF of visited network initiates carrying to UE and sets up demand.
After step 408:UE receives that demand is set up in this carrying, initiatively initiate carrying and set up request to the PCEF of visited network.
Step 409: the PCEF of visited network returns carrying to UE and sets up response, finishes carrying and sets up.
Step 410: the PCEF request of visited network is set up carrying foundation with the PCEF of user attaching network.
Step 411: the PCEF of user attaching network returns carrying to the PCEF of visited network and sets up response, finishes carrying and sets up.
Step 412:UE and Correspondent Node carry out session, the implementation strategy of the PCEF of user attaching network and visited network PCEF and the control of chargeing.
Equally, the PCEF of user attaching network also can be positioned on the MME or UPE or INTER AS ANCHOR of user attaching network.
The various one exemplary embodiment of being initiated to set up with the PCEF of user attaching network carrying by the PCEF of visited network have more than been described.Equally, the present invention can also be initiated by the PCEF of user attaching network to set up carrying with the PCEF of visited network.
Fig. 5 is the exemplary flow schematic diagram according to strategy under the user roaming state of fourth embodiment of the invention and billing control method.In the 4th embodiment, by the PCEF initiation of user attaching network and the PCEF foundation carrying of visited network.As shown in Figure 5, this method comprises:
Step 501:AF obtains the business information of UE, and here business information is preferably carried out session parameter with Correspondent Node and consulted relevantly, and this business information is sent to the PCRF of user attaching network.
Step 502: the service related information that the PCRF of user attaching network storage receives, generate strategy and the foundation of charging control rule as follow-up, and return acknowledge message to AF.
Step 503: Business Stream that is identified in the business information that the PCRF of user attaching network provides according to AF or network self trigger event generate generates strategy and information that charging control rule is required, the foundation that generates comprise business information that AF provides and and user's relevant information etc. of contracting, if this user-dependent CAMEL-Subscription-Information not among the PCRF of user attaching network will obtain from SPR by the Sp interface.Subsequently, the PCRF of user attaching network is according to user place roaming network, will generate strategy and the charging control rule information needed is pushed to the corresponding visited network PCRF at UE roaming place.
The visited network PCRF at step 504:UE roaming place receives corresponding information, generates strategy and the foundation of charging control rule as follow-up, and returns acknowledge message to the PCRF of user attaching network.
Step 505: the relevant information that the PCRF of visited network provides according to the PCRF of user attaching network and the network configuration and/or the roaming agreement of visited network are formulated visited network side strategy and charging control rule, and the visited network PCEF that the visited network side strategy formulated and charging control rule are pushed to UE roaming place;
Perhaps the relevant information that provides according to the PCRF of user attaching network of the PCRF of visited network and the network configuration and/or the roaming agreement of visited network are formulated visited network side strategy and charging control rule, and the visited network PCEF request visited network side strategy and the charging control rule at notice UE roaming place, the visited network PCEF at UE roaming place is to the PCRF of visited network request strategy and charging control rule, and the PCRF of visited network returns visited network side strategy and charging control rule.
Step 506: the PCRF of user attaching network formulates user attaching network side strategy and charging control rule, and user attaching network side strategy and the charging control rule of formulating is pushed to the PCEF that visited network inserts the user attaching network;
Perhaps the PCRF of user attaching network formulates user attaching network side strategy and charging control rule, and notice user attaching network PCEF request user attaching network side strategy and charging control rule, user attaching network PCEF is to the PCRF of user attaching network request strategy and charging control rule, and the PCRF of user attaching network returns user attaching network side strategy and charging control rule.
Step 507: after user attaching network PCEF received user attaching network side strategy and charging control rule, request was set up carrying foundation with the PCEF of visited network.
Step 508: the PCEF of visited network carries foundation with UE.
Step 509: the PCEF of visited network returns carrying to user attaching network PCEF and sets up response, finishes carrying and sets up.
Step 510:UE and Correspondent Node carry out session, and the PCEF of user attaching network and visited network PCEF be the implementation strategy and the control of chargeing respectively.
In flow process shown in Figure 5,, can initiatively initiate carrying to UE by the PCEF of visited network and set up request when the PCEF by the user attaching network initiates to set up carrying with the PCEF of visited network.Fig. 6 is the exemplary flow schematic diagram according to strategy under the user roaming state of fifth embodiment of the invention and billing control method.As shown in Figure 6, this method comprises:
Step 601:AF obtains the business information of UE, and here business information is preferably carried out session parameter with Correspondent Node and consulted relevantly, and this business information is sent to the PCRF of user attaching network.
Step 602: the service related information that the PCRF of user attaching network storage receives, generate strategy and the foundation of charging control rule as follow-up, and return acknowledge message to AF.
Step 603: Business Stream that is identified in the business information that the PCRF of user attaching network provides according to AF or network self trigger event generate generates strategy and information that charging control rule is required, the foundation that generates comprise business information that AF provides and and user's relevant information etc. of contracting, if this user-dependent CAMEL-Subscription-Information not among the PCRF of user attaching network will obtain from SPR by the Sp interface.Subsequently, the PCRF of user attaching network will generate strategy according to user place roaming network and the charging control rule information needed is pushed to the corresponding visited network PCRF at UE roaming place.
The visited network PCRF at step 604:UE roaming place receives corresponding information, generates strategy and the foundation of charging control rule as follow-up, and returns acknowledge message to the PCRF of user attaching network.
Step 605: the relevant information that the PCRF of visited network provides according to the PCRF of user attaching network and the network configuration and/or the roaming agreement of visited network are formulated visited network side strategy and charging control rule, and the visited network PCEF that the visited network side strategy formulated and charging control rule are pushed to UE roaming place;
Perhaps the relevant information that provides according to the PCRF of user attaching network of the PCRF of visited network and the network configuration and/or the roaming agreement of visited network are formulated visited network side strategy and charging control rule, and the visited network PCEF request visited network side strategy and the charging control rule at notice UE roaming place, the visited network PCEF at UE roaming place is to the PCRF of visited network request strategy and charging control rule, and the PCRF of visited network returns visited network side strategy and charging control rule.
Step 606: the PCRF of user attaching network formulates user attaching network side strategy and charging control rule, and user attaching network side strategy and the charging control rule of formulating is pushed to the PCEF that visited network inserts the user attaching network;
Perhaps the PCRF of user attaching network formulates user attaching network side strategy and charging control rule, and notice user attaching network PCEF request user attaching network side strategy and charging control rule, user attaching network PCEF is to the PCRF of user attaching network request strategy and charging control rule, and the PCRF of user attaching network returns user attaching network side strategy and charging control rule.
Step 607: after the PCEF of user attaching network received user attaching network side strategy and charging control rule, request was set up carrying foundation with the PCEF of visited network.
Step 608: the PCEF of visited network initiates carrying to UE and sets up request.
Step 609:UE returns carrying to the PCEF of visited network and sets up response, finishes carrying and sets up.
Step 610: the PCEF of visited network returns carrying to the PCEF of user attaching network and sets up response, finishes carrying and sets up.
Step 611:UE and Correspondent Node carry out session, and the PCEF of user attaching network and the PCEF of visited network be the implementation strategy and the control of chargeing respectively.
In flow process shown in Figure 5,, can also initiatively initiate carrying to the PCEF of visited network by UE and set up request when the PCEF by the user attaching network initiates to set up carrying with the PCEF of visited network.Fig. 7 is the exemplary flow schematic diagram according to strategy under the user roaming state of sixth embodiment of the invention and billing control method.As shown in Figure 7, this method comprises:
Step 701:AF obtains the business information of UE, and here business information is preferably carried out session parameter with Correspondent Node and consulted relevantly, and this business information is sent to the PCRF of user attaching network.
Step 702: the service related information that the PCRF of user attaching network storage receives, generate strategy and the foundation of charging control rule as follow-up, and return acknowledge message to AF.
Step 703: Business Stream that is identified in the business information that the PCRF of user attaching network provides according to AF or network self trigger event generate generates strategy and information that charging control rule is required, the foundation that generates comprise business information that AF provides and and user's relevant information etc. of contracting, if this user-dependent CAMEL-Subscription-Information not among the PCRF of user attaching network will obtain from SPR by the Sp interface.Subsequently, the PCRF of user attaching network will generate strategy according to user place roaming network and the charging control rule information needed is pushed to the corresponding visited network PCRF at UE roaming place.
The visited network PCRF at step 704:UE roaming place receives corresponding information, generates strategy and the foundation of charging control rule as follow-up, and returns acknowledge message to the PCRF of user attaching network.
Step 705: the relevant information that the PCRF of visited network provides according to the PCRF of user attaching network and the network configuration and/or the roaming agreement of visited network are formulated visited network side strategy and charging control rule, and the visited network PCEF that the visited network side strategy formulated and charging control rule are pushed to UE roaming place;
Perhaps the relevant information that provides according to the PCRF of user attaching network of the PCRF of visited network and the network configuration and/or the roaming agreement of visited network are formulated visited network side strategy and charging control rule, and the visited network PCEF request visited network side strategy and the charging control rule at notice UE roaming place, the visited network PCEF at UE roaming place is to the PCRF of visited network request strategy and charging control rule, and the PCRF of visited network returns visited network side strategy and charging control rule.
Step 706: the PCRF of user attaching network formulates user attaching network side strategy and charging control rule, and user attaching network side strategy and the charging control rule of formulating is pushed to the PCEF that visited network inserts the user attaching network;
Perhaps the PCRF of user attaching network formulates user attaching network side strategy and charging control rule, and notice user attaching network PCEF request user attaching network side strategy and charging control rule, user attaching network PCEF is to the PCRF of user attaching network request strategy and charging control rule, and the PCRF of user attaching network returns user attaching network side strategy and charging control rule.
Step 707: after the PCEF of user attaching network received strategy and charging control rule, request was set up carrying foundation with the PCEF of visited network.
Step 708: the PCEF of visited network initiates carrying to UE and sets up demand.
After step 709:UE receives that demand is set up in this carrying, initiatively initiate carrying and set up request to the PCEF of visited network.
Step 710: the PCEF of visited network returns carrying to UE and sets up response, finishes carrying and sets up.
Step 711: the PCEF of visited network returns carrying to the PCEF of user attaching network and sets up response, finishes carrying and sets up.
Step 712:UE and Correspondent Node carry out session, and the PCEF of user attaching network and the PCEF of visited network be the implementation strategy and the control of chargeing respectively.
Equally, the PCEF of above-mentioned visited network can be positioned on MME, UPE, the INTERAS ANCHOR of visited network, and the PCEF of user attaching network also can be positioned on MME, UPE, the INTER AS ANCHOR of user attaching network.
The seventh embodiment of the present invention is described below, and Fig. 8 is the exemplary flow schematic diagram according to strategy under the user roaming state of seventh embodiment of the invention and billing control method.As shown in Figure 8, this method comprises:
Step 801:AF obtains the business information of UE, and here business information is preferably carried out session parameter with Correspondent Node and consulted relevantly, and this business information is sent to the PCRF of user attaching network.
Step 802: the service related information that the PCRF of user attaching network storage receives, generate strategy and the foundation of charging control rule as follow-up, and return acknowledge message to AF.
Step 803: Business Stream that is identified in the business information that the PCRF of user attaching network provides according to AF or network self trigger event generate generates strategy and information that charging control rule is required, wherein the foundation of Sheng Chenging comprise business information that AF provides and with user's relevant information etc. of contracting.If this user-dependent CAMEL-Subscription-Information not among the PCRF of user attaching network will obtain from SPR by the Sp interface;
Subsequently, the PCRF of user attaching network will generate strategy according to user place roaming network and the charging control rule information needed is pushed to the corresponding visited network PCRF at UE roaming place; The visited network PCRF at UE roaming place receives corresponding information, generates strategy and the foundation of charging control rule as follow-up, and returns acknowledge message to the PCRF of user attaching network; The perhaps PCRF of user attaching network notice visited network PCRF customer service request, user visiting network PCRF is to the PCRF of user attaching network request visited network side strategy and charging control rule information needed, and the PCRF of home network returns visited network side strategy and charging control rule information needed.
Step 804: the relevant information that the PCRF of visited network provides according to the PCRF of user attaching network and the network configuration and/or the roaming agreement of visited network are formulated visited network side strategy and charging control rule, and the visited network PCEF that the visited network side strategy formulated and charging control rule are pushed to UE roaming place;
Perhaps the relevant information that provides according to the PCRF of user attaching network of the PCRF of visited network and the network configuration and/or the roaming agreement of visited network are formulated visited network side strategy and charging control rule, and the visited network PCEF request visited network side strategy and the charging control rule at notice UE roaming place, the visited network PCEF at UE roaming place is to the PCRF of visited network request strategy and charging control rule, and the PCRF of visited network returns visited network side strategy and charging control rule.
Step 805: the PCRF of user attaching network formulates home network side strategy and charging control rule, and the PCEF that the home network side strategy formulated and charging control rule are pushed to visited network institute access belonging network;
Perhaps the PCRF of user attaching network formulates home network side strategy and charging control rule, and notice user attaching network PCEF request home network side strategy and charging control rule, user attaching network PCEF is to the PCRF of user attaching network request strategy and charging control rule, and the PCRF of user attaching network returns home network side strategy and charging control rule.
Step 806: visited network PCEF carries foundation with UE.
Step 807: visited network PCEF sets up carrying with the PCEF of user attaching network.
Here, visited network PCEF set up the method for carrying with the PCEF of user attaching network can be with reference among the embodiment one to six any one.
Step 808:UE and Correspondent Node carry out service interaction, and the PCEF of home network and visited network PCEF carry out corresponding strategy respectively and the control of chargeing.
Wherein, when the PCEF by visited network initiates with UE foundation carrying, both can initiatively initiate carrying to UE and set up request, and also can initiate carrying to the PCEF of visited network and set up request by the UE active by the PCEF of visited network.
In the above process, clear and definite user initiates the method for policy and charging control in the roaming condition lower network, is very beneficial for improving the efficient of internetwork ability and service negotiation.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (15)
1, strategy and the billing control method under a kind of user roaming state is characterized in that, this method comprises:
A, application function AF send to the business information of user equipment (UE) the strategy and the charging rule functions PCRF of user attaching network, the PCRF of user attaching network is according to this business information, generate to formulate visited network side strategy and the required information of charging control rule, and will formulate the PCRF that visited network side strategy and the required information of charging control rule send to visited network;
The PCRF of B, visited network formulates visited network side strategy and charging control rule according to the described information that the PCRF of user attaching network sends, and described visited network side strategy and charging control rule is sent to the strategy and the charge execution function PCEF of described visited network.
2, strategy and the billing control method under the user roaming state according to claim 1 is characterized in that, this method further comprises behind step B:
The PCRF of C, user attaching network is according to this business information, generates home network side strategy and charging control rule, and described home network side strategy and charging control rule sent to the PCEF of user attaching network.
3, strategy and the billing control method under the user roaming state according to claim 2 is characterized in that, this method further comprises after step C:
D1, initiated to set up carrying with the PCEF of user attaching network by the PCEF of visited network, the PCEF of visited network sets up carrying with UE;
E1, UE and Correspondent Node carry out service interaction, the PCEF of user attaching network is according to home network side strategy and charging control rule implementation strategy and the control of chargeing, and the PCEF of visited network is according to visited network side strategy and charging control rule implementation strategy and the control of chargeing.
4, strategy and the billing control method under the user roaming state according to claim 2 is characterized in that, this method further comprises after step C:
D2, initiated to set up carrying with the PCEF of visited network by the PCEF of user attaching network, the PCEF of visited network sets up carrying with UE;
E2, UE and Correspondent Node carry out service interaction, the PCEF of user attaching network is according to home network side strategy and charging control rule implementation strategy and the control of chargeing, and the PCEF of visited network is according to visited network side strategy and charging control rule implementation strategy and the control of chargeing.
5, strategy and the billing control method under the user roaming state according to claim 3 is characterized in that, described step D1 comprises:
The PCEF of D11, visited network sends carrying to UE and sets up request, and UE returns carrying to the PCEF of visited network and sets up response, finishes the PCEF of visited network and the carrying of UE and sets up;
The PCEF of D12, visited network sends carrying to the PCEF of user attaching network and sets up request, and the PCEF of user attaching network returns carrying to the PCEF of visited network and sets up response, finishes the carrying of the PCEF of the PCEF of visited network and user attaching network and sets up.
6, strategy and the billing control method under the user roaming state according to claim 3 is characterized in that, described step D1 comprises:
The PCEF of D21, visited network sends carrying to UE and sets up demand, UE sets up demand according to described carrying and sends carrying foundation request to the PCEF of visited network, the PCEF of visited network returns carrying to UE and sets up response, finishes the PCEF of visited network and the carrying of UE and sets up;
The PCEF of D22, visited network sends carrying to the PCEF of user attaching network and sets up request, and the PCEF of user attaching network returns carrying to the PCEF of visited network and sets up response, finishes the carrying of the PCEF of the PCEF of visited network and user attaching network and sets up.
7, strategy and the billing control method under the user roaming state according to claim 4 is characterized in that, described step D2 comprises:
The PCEF of D31, user attaching network sends carrying to the PCEF of visited network and sets up request, and the PCEF of visited network sends carrying to UE and sets up request;
D32, UE return carrying to the PCEF of visited network and set up response, finishing UE sets up with the carrying of the PCEF of visited network, the PCEF of visited network returns carrying to the PCEF of user attaching network and sets up response, and the PCEF that finishes the user attaching network sets up with the carrying of the PCEF of visited network.
8, strategy and the billing control method under the user roaming state according to claim 4 is characterized in that, described step D2 comprises:
The PCEF of D41, user attaching network sends carrying to the PCEF of visited network and sets up request, the PCEF of visited network sends carrying to UE and sets up demand, UE sets up demand according to described carrying and sends carrying foundation request to the PCEF of visited network, the PCEF of visited network returns carrying to UE and sets up response, finishes the PCEF of visited network and the carrying of UE and sets up;
The PCEF of D42, visited network returns carrying to the PCEF of user attaching network and sets up response, finishes the PCEF of visited network and the PCEF carrying of user attaching network and sets up.
9, according to strategy and billing control method under each described user roaming state among the claim 1-8, it is characterized in that described formulation visited network side strategy and the required information of charging control rule comprise: visited network inserts user attaching network node sign.
10, strategy and the billing control method under the user roaming state according to claim 9 is characterized in that, described visited network inserts user attaching network node sign and comprises: IP address or network node numbering.
According to strategy and billing control method under each described user roaming state among the claim 1-8, it is characterized in that 11, described business information comprises Business Stream;
The PCRF of the described user attaching network of steps A generates formulation visited network side strategy and the required information of charging control rule and comprises according to this business information:
The PCRF of user attaching network generates visited network side strategy and the required information of charging control rule formulated according to the Business Stream that is identified in the business information and/or network self trigger event and/or user signing contract information.
12, strategy and the billing control method under the user roaming state according to claim 11 is characterized in that, described user signing contract information is obtained from SPR by the Sp interface.
13, according to strategy and billing control method under each described user roaming state among the claim 1-8, it is characterized in that the PCEF of described visited network is positioned between connecting system on user's face anchor point Inter ASAnchor or is positioned at user entity UPE and goes up or be positioned on the mobile management module MME.
According to strategy and billing control method under each described user roaming state among the claim 1-8, it is characterized in that 14, the PCEF of described user attaching network is positioned on the Inter AS Anchor or is positioned at UPE and goes up or be positioned on the MME.
15, according to strategy and billing control method under each described user roaming state among the claim 1-8, it is characterized in that the PCRF of the described user attaching network of steps A will formulate the PCRF that visited network side strategy and the required information of charging control rule sends to visited network and be:
The PCRF of user attaching network initiatively will formulate the PCRF that visited network side strategy and the required information of charging control rule are pushed to visited network, or
The PCRF notice visited network PCRF customer service request of user attaching network, after visited network PCRF receives this customer service request, formulate visited network side strategy and the required information of charging control rule to the PCRF of user attaching network request, the PCRF of home network returns this formulation visited network side strategy and the required information of charging control rule to visited network PCRF then.
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| PCT/CN2007/070073 WO2007137522A1 (en) | 2006-06-01 | 2007-06-01 | A policy and charging control method, system and device in roaming scenarios |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN100563388C (en) | 2009-11-25 |
| WO2007137522A1 (en) | 2007-12-06 |
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