CN103929725A - Online charging method for roaming local services, H-OCS and V-OCS - Google Patents
Online charging method for roaming local services, H-OCS and V-OCS Download PDFInfo
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- CN103929725A CN103929725A CN201310008565.XA CN201310008565A CN103929725A CN 103929725 A CN103929725 A CN 103929725A CN 201310008565 A CN201310008565 A CN 201310008565A CN 103929725 A CN103929725 A CN 103929725A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/24—Accounting or billing
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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
- H04L12/1403—Architecture for metering, charging or billing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
- H04M15/64—On-line charging system [OCS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
- H04M15/80—Rating or billing plans; Tariff determination aspects
- H04M15/8038—Roaming or handoff
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
- H04M15/66—Policy and charging system
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Abstract
The invention provides an online charging method for roaming local services, an H-OCS, an H-PCRF (policy and charging rules function), a V-OCS, and a V-PCRF. The online charging method for roaming local services comprises steps: the H-OCS sends a credit threshold to the H-PCRF via an Sy interface; the H-PCRF builds or modifies a response message via S9 session and sends the credit threshold to the V-PCRF; the V-OCS receives the credit threshold from the V-PCRF; the V-OCS sends an online charging session activation response carried with relevant credit to a PCEF (policy and charging enforcement function) or triggers the PCEF to initiate a re-authentication process. When a user roams to the visit network, the online-charged roaming local services can be used.
Description
Technical field
The present invention relates to strategy and charging control technology in wireless communication system, relate in particular to a kind of online charging method, ownership place Online Charging System device (H-OCS), ownership place policy control and charging regulation function entity device (H-PCRF), visited place Online Charging System device (V-OCS) and visited place policy control and charging regulation function entity device (V-PCRF) of roaming local service.
Background technology
Third generation partner program (3GPP, 3rd Generation Partnership Project) grouping system (EPS of evolution, Evolved Packet System) by the universal mobile telecommunications system land radio access web (E-UTRAN of evolution, Evolved Universal Terrestrial Radio Access Network), mobile management unit (MME, Mobility Management Entity), gateway (S-GW, Serving Gateway), grouped data network gateway (P-GW or PDN GW, Packet DataNetwork Gateway), home subscriber server (HSS, Home Subscriber Server), authentication and authorization charging (the AAA of 3GPP, Authentication, Authorization and Accounting) server, "Policy and Charging Rules Function entity (PCRF, Policy and Charging Rules Function) and other support node compositions.Fig. 1 is the composition structural representation of existing EPS system, wherein:
HSS, is the permanent storage place of user contracting data, is positioned at the signing home network of user.
MME, is the storage place of user contracting data in current network, tracking and paging management function and bearer management under mobile management, user's idle pulley of the Non-Access Stratum signaling management of responsible terminal to network, the safety verification function of terminal, terminal.
S-GW, is the gateway that core net arrives wireless system, is responsible for terminal to the data buffer storage under user plane bearer, the terminal idle pulley of core net, function, Lawful Interception and packet routing and the forwarding capability of network side initiating business request; Gateway is responsible for counting user terminal and is used the situation of wireless network, and produces the ticket of terminal use wireless network, sends charging gateway to.
P-GW, it is the gateway of evolution system and this system external packet data network, it is connected on internet and packet data network, be responsible for the function such as Internet protocol (Internet Protocol, referred to as IP) address assignment, billing function, grouping packet filtering, policy control of terminal.
PDN, is the IP operation network of operator, and this network is served for user provides IP by the core net of operator.
In addition, policy control and charging control function (PCC, Policy and Charging Control) embed in EPS framework, in EPS framework, the each functional entity of PCC can distribute as follows: PCRF is "Policy and Charging Rules Function entity, strategy and charging execution function entity (PCEF, Policy and ChargingEnforcement Function) be present in P-GW, bearing binding and event reporting function entity (BBERF, Bearer Binding and Event Report Function) can be present in S-GW, Application Function (the AF of business, Application Function) be present in carrier network agreement (IP, Internet Protocol) business network, user-subscribed database (SPR, Subscription ProfileRepository) can arrange with HSS unification.
In 3GPP, can find corresponding PDN network by APN (APN, Access Point Name).Conventionally UE is called to an IP to a connection of PDN network and connects Access Network (IP-CAN, IP Connectivity Access Network) session.PCC is applicable to all 3GPPIP-CAN, its framework as shown in Figure 2, PCRF is mainly responsible for the formulation of strategy and charging regulation, by Gx interface, PCC strategy and the charging regulation of formulation are handed down to PCEF, PCEF installs, carries out PCC strategy, and report dependent event, with the mutual charge information of charge system.
PCRF is handed down to BBERF by Gxx interface by QoS (QoS, Quality of Service) rule, the mutual charge information of BBERF discord charge system, only reporting of responsible bearing binding and dependent event.AF provides business information by Rx interface to PCRF, and SPR has preserved the signing business information of user, and PCRF can be by Sp interface to the signing business information of SPR inquiring user.PCEF sends to Online Charging System (OSC by Gy interface by online charging information, Online ChargingSystem) be responsible for the statistics of online charging, by Gz interface, offline charging information is sent to off-line accounting system (OFCS, Offline Charging System).
At present, in PCC framework, PCRF can dynamically issue PCC strategy to PCEF, comprises the information of QoS and charging in policy information.The signing business information of user in the service related information that PCRF provides according to AF, the bearer related information that PCEF reports and SPR, formulates PCC strategy.
AF, for the access point of service application is provided, the Internet resources that these service application are used need to carry out dynamic policy control.In the time that service surface is carried out parameter negotiation, related service information is passed to policy control and charging regulation function entity (PCRF, Policy and Charging Rules Function) by AF.If these business information are consistent with the strategy of PCRF, PCRF accepts this negotiation; Otherwise PCRF refuses this negotiation, and in the time of feedback, provide the acceptable service parameter of PCRF.Subsequently, AF can return to these parameters subscriber equipment (UE, User Equipment).Wherein, the interface between AF and PCRF is Rx interface.
PCRF is the core of PCC, for being responsible for the formulation of strategic decision-making and charging regulation.PCRF provides the rule of the network control based on business data flow, these network controls comprise detection, gate (Gating Control), service quality (QoS, Quality of Service) control and the charging regulation based on data flow etc. of business data flow.PCRF sends to strategy and charging execution function entity (PCEF, Policy and Control Enforcement Function) to carry out the strategy of its formulation and charging regulation; Meanwhile, PCRF also needs to ensure that these rules are consistent with user's CAMEL-Subscription-Information.Wherein, PCRF generate strategy and charging regulation according to comprising: that obtain from AF and information traffic aided, that obtain and relevant with charging with policy control user policy, billing control and subscription information and that obtain from PCEF by Gx interface and information carrying network of relation from user-subscribed database (SPR, Subscription Profile Repository).
PCEF is usually located in gateway (GW, Gate-Way), carries out at loading end strategy and the charging regulation that PCRF formulates.Business datum flow filter in the rule that PCEF sends according to PCRF detects business data flow, and then these business data flows are carried out to strategy and the charging regulation that PCRF formulates; In the time that carrying is set up, the rule that PCEF sends according to PCRF is carried out resource distribution, and the information providing according to AF is carried out gate control; Meanwhile, the Event triggered that PCEF subscribes to according to PCRF reports event on bearer network; The charging regulation sending according to PCRF, PCEF carries out corresponding service data flow charge operation, and charging can be both online charging, can be also offline charging.If online charging, PCEF needs and Online Charging System (OCS, Online Charging System) carry out credit management together; When offline charging, the charge information of exchange correlation between PCEF and off-line accounting system (OFCS, OfflineCharging System).Wherein, the interface between PCEF and PCRF is Gx interface, and the interface between PCEF and OCS is Gy interface, and the interface between PCEF and OFCS is Gz interface.PCEF also can strengthen and has current detection functionality (TDF, Traffic DetectionFunction).The ADC rule that application that what PCEF can issue according to this locality configuration or PCRF comprise detects control strategy (Application Detection and Control is called for short ADC) apply and is detected and carry out strategy execution (as gate, redirected and limit bandwidth).PCEF is generally positioned on the gateway of network, as the grouped data network gateway of EPS (PDN-GW), GPRS (GPRS, General Packet Radio Service) in GGSN (GGSN) and interconnected wireless network local area network (LAN) (I-WLAN, Interworking WLAN) in packet data gateway (PDG, Packet Data Gateway) etc.
TDF also can independently dispose, and now TDF and PCRF are by Sd interface, and TDF can detect control law according to application pre-configured or that PCRF issues and apply detection and strategy execution.PCRF detects control law or the pre-configured rule of activation TDF for TDF provides application, and the policy control executable operations of independent TDF function comprises gate, is redirected and limit bandwidth.TDF makes report (beginning from the business/stream detecting to PCRF and the termination of for example reporting) of the dependent event of detected business/stream and information to PCRF, and send business datum stream description to PCRF, send from PCRF for flowing, the business of detection detects and the signaling of policing rule.
Bearing binding and event reporting function entity (BBERF, Bearer Binding and EventReporting Function) are usually located in Access Network gateway (Access Network Gateway).As accessed and adopt proxy mobile internet protocol version 6 (PMIPv6 between EPS, gateway S-GW and P-GW by E-UTRAN when subscriber equipment, Proxy Mobile Internet Protocol version 6) when agreement, in S-GW, just there is BBERF.In the time that subscriber equipment accesses by trusted non-3 GPP access network, also there is BBERF in the trusted non-3 GPP access network Central Shanxi Plain.
User-subscribed database (SPR), stores the user policy, billing control and subscription information relevant to policy control and charging.Interface between SPR and PCRF is Sp interface.
OCS and PCEF complete the control and management of user credit under online charging mode jointly.
OFCS and PCEF complete the billing operation under offline charging mode jointly.
Above PCC framework has been realized the policy and charging control of the IP-CAN session that UE is set up for PDN of access by each functional entity.
In prior art, in the time that user roams into visited place, there are two kinds of modes, one is ownership place route access (home routed access), one is local break-out access (local breakout access, LBO access), access scene as shown in Fig. 3-1 (the PCC framework under LBO access roaming scene) for local break-out, wherein PCEF is positioned at visited network, and the information interaction of visited network and home network is by the roaming interface S9 interface transmission between visited network PCRF (V-PCRF) and home network PCRF (H-PCRF).When user is in the time that access zone network accesses, VPCRF sets up S9 session/sub-session by S9 interface requests, and HPCRF formulates PCC strategy, issues PCC rule to VPCRF, and forward pass is to execution such as PCEF/BBERF.
The individual business Requirement Increases of mobile communication at present, there is larger difference in the type of service of different operators, the rate that when user roams simultaneously, home network business is used in roaming place are higher, these two reasons cause user to roam into visited network needs when can being supported in access belonging area network business, can access by it local service (being called roaming local service) of visited network at the signing terminal of home network and id information, so not only can farthest strengthen user's experience and reduce rate, the characteristic service of the not available access zone network of its home operator network also can be provided for user simultaneously.
Because roaming local service belongs to access zone network, for the signing independence of home network, therefore, access corresponding strategies and the resource authorization of roaming local service function for user, need to be by access zone network VPCRF decision-making.And this user belongs to belonging area network, its rate account is at belonging area network OCS.
Because roaming local service belongs to access zone network, contracting for home network, independently (belonging area network not necessarily has such business, or such business having but its to identify two zone networks also inconsistent), therefore such business information belonging area network OCS None-identified, cannot carry out to roaming local service the processing such as credit authorization of online charging.
In prior art, user roams into after access zone network, can only carry out online charging function by ownership place OCS, can pass through visited place network element (for example proxy OCS) interface to ownership place OCS, or can, by visited place VPCRF forward pass credit request to ownership place HPCRF, forward to OCS and carry out.But these methods of prior art all can only be for ownership place signing service, ownership place PCRF or OCS can get business and the rate CAMEL-Subscription-Information of ownership place.And for roaming local service, home network does not probably have the signing of related service, therefore, cannot realize the online charging function to roaming local service by the kinds of schemes of prior art.
In addition, in prior art, a kind of scheme that solves roaming local service is, roamer is signing and open roaming rate account to visited network, and these rate account of contracting leaves the OCS (being V-OCS) of visited network in.Visited network OCS (being V-OCS) can directly carry out account credit and management of balance to roamer according to this visited network is signing, implements credit control, and not to the control of home network OCS (being H-OCS) request credit.But the problem that this technical scheme exists is, user need to be in roaming place paying again, a large amount of remaining sums in original ownership place account cannot be used.And user leaves after this roaming place network, also need to settle accounts this roaming place expense, become bad accounts amount otherwise will be trapped in this roaming place holding account.Bring therefore to user's the use of roaming local service and be much equal to the processing of roaming local new account, grievous injury roaming local service make every effort to the principle to the business experience of the more convenient abundant and high-quality of user, and fail the substantive online charging problem that solves roaming local service.
Summary of the invention
The embodiment of the present invention provides a kind of online charging method, H-OCS, H-PCRF, V-OCS and V-PCRF that roams local service, to solve the problem of online charging that realizes how better access zone network and carry out roaming local service.
The embodiment of the present invention provides a kind of online charging method of roaming local service, and under application roaming visited place access scene, the method comprises:
Ownership place Online Charging System (H-OCS) sends credit threshold by Sy interface to ownership place policy control and charging regulation function entity (H-PCRF);
Described H-PCRF sends described credit threshold by S9 conversation establishing or amendment response message to visited place policy control and charging regulation function entity (V-PCRF);
Visited place Online Charging System (V-OCS) receives described credit threshold from described V-PCRF; And
Described V-OCS sends the online charging session activation response of carrying associated credit to strategy and charging execution function entity (PCEF), or triggers described PCEF and initiate discrimination weight flow process.
Preferably, before described H-OCS sends credit threshold by Sy interface to H-PCRF, described method also comprises:
Described H-OCS receives Sy interface requests message, carries roaming local service mark or instruction in this Sy interface requests message; And
Described H-OCS judges user's roaming local service authority according to this Sy interface requests message, whether decision-making sends described credit threshold.
Preferably, described V-OCS receives described credit threshold from described V-PCRF, comprising:
Described V-OCS receives described credit threshold by Sy interface from described V-PCRF; Or
Described V-OCS receives described credit threshold by described PCEF from described V-PCRF.
Preferably, described credit threshold is predetermined number the account amount of money, flow, time or event.
Preferably, described method also comprises:
When described credit threshold arrives, described V-OCS triggers re-authentication requests and obtains new credit threshold from V-PCRF, or triggers the amendment of Sy interface session and obtain new credit threshold from V-PCRF; And
Described V-PCRF is by S9 session modification flow process to the request of described H-PCRF forward pass threshold value, and described H-PCRF asks described new credit threshold by Sy interface to described H-OCS.
Preferably, described method also comprises:
Described V-PCRF sends session termination request to described V-OCS;
Described PCEF sends credit final report to described V-OCS;
Wherein, the use consumption that comprises described credit threshold in described session termination request or described credit final report and/or residue consumption.
Preferably, described method also comprises:
The use consumption of described credit threshold and/or residue consumption forward pass are given described H-PCRF by described V-PCRF, and described H-PCRF gives described H-OCS by described Sy interface report.
The embodiment of the present invention also provides a kind of ownership place Online Charging System device (H-OCS), and this H-OCS comprises:
Receive judge module, for receiving Sy interface requests message, in this Sy interface requests message, carry roaming local service mark or instruction; Judge user's roaming local service authority according to this Sy interface requests message, determine and send credit threshold; And
Sending module, for sending described credit threshold by Sy interface to ownership place policy control and charging regulation function entity (H-PCRF).
Preferably, described reception judge module, also for: receive described H-PCRF by the session termination request of described Sy interface report, the Sy session that terminates corresponding, delete relevant information;
Described sending module, also for: return to session termination response to described H-PCRF.
Preferably, described reception judge module, also for: receive the session modification request that described H-PCRF sends by described Sy interface, in this session modification request, carry the actual use consumption of current credit threshold;
Described sending module, also for: return to session modification response to described H-PCRF, in this session modification response, carry new credit threshold or refusal request.
The embodiment of the present invention separately provides a kind of ownership place policy control and charging regulation function entity device (H-PCRF), and this H-PCRF comprises:
Receiver module, the credit threshold sending by Sy interface for receiving ownership place Online Charging System (H-OCS); And
Sending module, for sending described credit threshold by S9 conversation establishing or amendment response message to ownership place policy control and charging regulation function entity (V-PCRF).
Preferably, described sending module, also for: send Sy interface requests message to described H-OCS, in this Sy interface requests message, carry roaming local service mark or instruction.
Preferably, described sending module, also for sending session termination request to described H-OCS;
Described receiver module, the session termination response of also returning for receiving described H-OCS.
The embodiment of the present invention provides again a kind of visited place Online Charging System device (V-OCS), and this V-OCS comprises:
Receiver module, for receiving credit threshold from visited place policy control and charging regulation function entity (V-PCRF); And
Processing module, for sending the online charging session activation response of carrying associated credit to strategy and charging execution function entity (PCEF), or triggers described PCEF and initiates discrimination weight flow process.
Preferably, described receiver module, specifically for: receive described credit threshold by Sy interface from described V-PCRF; Or, receive described credit threshold by described PCEF from described V-PCRF.
Preferably, described receiver module, the session termination request also sending for receiving described V-PCRF;
Described processing module, also for returning to session termination response to described V-PCRF.
Preferably, described receiver module, the credit final report also sending for receiving described PCEF;
Described processing module, also for returning to credit final response to described PCEF.
The embodiment of the present invention also provides a kind of visited place policy control and charging regulation function entity device (V-PCRF), it is characterized in that, this V-PCRF comprises:
Receiver module, the credit threshold sending by S9 conversation establishing or amendment response message for receiving ownership place policy control and charging regulation function entity (H-PCRF); And
Sending module, for sending described credit threshold to visited place Online Charging System (V-OCS).
Preferably, described sending module, specifically for by Sy interface or strategy and charging execution function entity (PCEF) send described credit threshold to described V-OCS.
Preferably, described sending module, also for sending session termination request to described V-OCS; Described receiver module, the session termination response of also returning for receiving described V-OCS.
When the embodiment of the present invention makes user roam into visited network, can use the roaming local service of online charging.
Brief description of the drawings
Fig. 1 is the composition structural representation of existing EPS system;
Fig. 2 is according to the non-roaming structure composed schematic diagram of the PCC of existing correlation technique;
Fig. 3-1 is the PCC roaming visited place access architecture schematic diagram according to existing correlation technique;
Fig. 3-2 are PCC roaming of the present invention visited place access architecture schematic diagram;
Fig. 4 creates the signaling process figure of IP-CAN session embodiment mono-while being UE roaming of the present invention;
Terminate while the being UE of the present invention roaming signaling process figure of IP-CAN session embodiment mono-of Fig. 5;
Fig. 6 creates the signaling process figure of IP-CAN session embodiment bis-while being UE roaming of the present invention;
Fig. 7 is the structural representation of H-OCS embodiment of the present invention;
Fig. 8 is the structural representation of H-PCRF embodiment of the present invention;
Fig. 9 is the structural representation of V-OCS embodiment of the present invention;
Figure 10 is the structural representation of V-PCRF embodiment of the present invention.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, hereinafter in connection with accompanying drawing, embodiments of the invention are elaborated.It should be noted that, in the situation that not conflicting, the combination in any mutually of the feature in embodiment and embodiment in the application.
As shown in Fig. 3-2, for PCC roaming of the present invention visited place access architecture schematic diagram, the configuration diagram 3-1 of the PCC roaming visited place access of contrast prior art, ownership place Online Charging System (H-OCS) and ownership place HPCRF are by Sy interactive interfacing, transmit the credit threshold of OCS mandate to HPCRF, HPCRF sends VPCRF to by S9 interface; In access zone network, VPCRF can transmit this threshold value to visited place Online Charging System (V-OCS) by Sy interface, or by being given to OCS in PCEF, carries out real-time credit manage by visited place OCS.
According to above-mentioned framework, the embodiment of the present invention provides a kind of online charging method of roaming local service, and under application roaming visited place access scene, the method comprises:
Step 1, H-OCS send credit threshold by Sy interface to ownership place policy control and charging regulation function entity (H-PCRF);
Step 2, described H-PCRF send described credit threshold by S9 conversation establishing or amendment response message to visited place policy control and charging regulation function entity (V-PCRF);
Step 3, V-OCS receive described credit threshold from described V-PCRF; And
Step 4, described V-OCS send the online charging session activation response of carrying associated credit to strategy and charging execution function entity (PCEF), or trigger described PCEF and initiate discrimination weight flow process.
It should be noted that, the H-OCS mentioning herein and HOCS, H-PCRF and HPCRF, V-OCS and VOCS and V-PCRF and VPCRF are identical concept.
Embodiment mono-
(1) conversation establishing of roaming local service:
As shown in Figure 4, create the signaling process figure of IP-CAN session embodiment mono-during for UE roaming of the present invention, in conversation establishing process, visited place VPCRF receives the conversation establishing request of PCEF, sends S9 conversation establishing or modify request messages to ownership place HPCRF; Owing to being roaming local service, HPCRF is in decision-making mandate roaming local service, when finding to authorize VPCRF roaming local service authority, need to authorize credit threshold, send Sy conversation establishing/amendment message (the local report request of initial/middle internetwork roaming) to ownership place OCS.Ownership place OCS is according to the instruction of roaming local service or mark in message, according to roaming agreement or signing, (this threshold value granularity can be user or session or business-level to authorize credit threshold, can be the account amount of money, or the consumption such as time flow event), in Sy conversation establishing/amendment response message, send to ownership place HPCRF.HPCRF sends to visited place VPCRF by S9 conversation establishing/amendment response message by this credit threshold.VPCRF sends Sy conversation establishing/amendment message (the local report request of initial/middle internetwork roaming) and, to visited place OCS, carries this credit threshold.The credit threshold that visited place OCS authorizes according to this ownership place OCS is carried out credit management and the processing of the account amount of money.PCEF sends online chargeable session activation request message to visited place OCS, carries special charging key (special charging key), and/or services of roaming mark or instruction; The online chargeable session that sends visited place OCS activates response (creating credit response) and, to PCEF, carries relevant credit information.As shown in Figure 4, comprising:
Step S401, sets up in the process of IP-CAN session in UE request, and the gateway that PCEF is positioned at receives IP-CAN session establishment request message, and in this IP-CAN session establishment request message, carries the PDN mark of the PDN network of user ID and request access;
Step S402, PCEF sends IP-CAN session establishment Indication message to V-PCRF, and in this IP-CAN session establishment Indication message, carries user ID, PDN mark and the IP address (IP Address) for UE distribution;
When UE access visited network, visited network provides ownership place roaming scheme and roaming local service scheme, and UE has selected roaming local service scheme; PCEF sends local the roaming of UE scheme instruction to VPCRF in message;
Step S403, V-PCRF judges that according to user ID this user is roamer; If PCRF is not also for this user sets up S9 session, V-PCRF sends a request message to H-PCRF, and to set up S9 session, also a S9 session is set up in request simultaneously, V-PCRF also carries not this user's CAMEL-Subscription-Information in S9 session, PDN mark and IP address etc.If PCRF is for this user has set up S9 session, V-PCRF sends a request message to revise S9 session to H-PCRF, also a S9 session is set up in request simultaneously, and V-PCRF also carries not this user's CAMEL-Subscription-Information in S9 session, PDN mark and IP address etc.;
VPCRF supports roaming local service function, roaming local service (roaming local service is set in the supported feature (support feature) carrying in this CCR request message, RLS) function (if or RLS be the essential function of this version, be directly provided with this version support feature function); If this function is not essential function, alternatively, the mandate that VPCRF also needs to send RLS and asks to ask this roaming local service to HPCRF except support feature capability negotiation; Concrete request mode does not limit, for example, in this CCR message, carry RLS request AVP to HPCRF etc.;
Step S404, H-PCRF also judges not this user's subscription data according to user ID, H-PCRF sends signing document request to SPR, and in this signing document request, carries user ID and PDN mark;
SPR returns to user signing contract information (signing document is replied) according to user ID and PDN mark;
If now ownership place SPR did not also provide the roaming local service document of contracting to H-PCRF, so now SPR will provide to H-PCRF;
Or H-PCRF is just mutual to obtain the signing document of roaming local service with SPR after device start;
Step S405, owing to being roaming local service, if online charging, HPCRF is in decision-making mandate roaming local service, when finding to authorize VPCRF roaming local service authority, need authorize credit threshold, H-PCRF activates Sy session, send Sy conversation establishing/amendment message (the local report request of initial/middle internetwork roaming) to ownership place OCS, (for example carry service related information, roaming local service mark or instruction), or carry this user's authorization message (for example, roaming local service mandate instruction);
Step S406, ownership place OCS (for example judges whether to meet authorising conditional, can judge that this business is for roaming local service according to the services of roaming instruction in message or mark, judge whether to authorize such business according to roaming agreement or signing accounts information), (this threshold value granularity can be user or session or business-level to authorize credit threshold, can be the consumptions such as the account amount of money, or time flow event) this user uses at visited network; OCS sends Sy conversation establishing/amendment response message (the local report response of initial/middle internetwork roaming) and, to ownership place HPCRF, carries this credit threshold in message;
Step S407, H-PCRF is according to the request message of VPCRF, and the judgement such as the access information of the user signing contract information returning, network strategy, UE authorizes roaming local service, or formulates distributing policy:
If HPCRF is according to the information such as CAMEL-Subscription-Information and roaming agreement, authorize the roaming local service function of visited place, return to response message to VPCRF, in message, may comprise and represent that support feature, the HPCRF of this function support authorize the details such as instruction and the list of mandate operator that may exist and the business of mandate list to the RLS of VPCRF.Mandate VPCRF can be to roaming local service independent resource mandate and policy development (such as user class mandate); During for online charging, in message, carry the overall credit threshold that ownership place OCS authorizes;
If HPCRF does not support to roam local service, or support but do not authorize the roaming local service of visited network to this user, HPCRF returns to corresponding support feature instruction, and the instruction that whether allows RLS that may exist (for example RLS report or reject, or directly refuse this message, carry relevant reject cause); If desired HPCRF formulates corresponding strategies, and strategy comprises PCC rule, event trigger etc., carries the strategy of formulation in the message that H-PCRF returns to V-PCRF;
Step S408, if online charging, VPCRF sends Sy conversation establishing/amendment message (the local report request of initial/middle internetwork roaming) to visited place OCS, carries the overall credit threshold of RLS that ownership place OCS that H-PCRF issues authorizes;
Step S409, OCS stores this credit threshold, returns to Sy conversation establishing/amendment response message (the local report response of initial/middle internetwork roaming) to VPCRF.The threshold value that follow-up visited place OCS can authorize according to this ownership place OCS is carried out credit management and the processing of the account amount of money;
Step S410, the message that V-PCRF storage HPCRF returns, according to authorizing roaming local service or PCC rule, returns to corresponding response message to PCEF; If the strategy that HPCRF formulates is as prior art flow performing rule issues.If HPCRF authorizes V-PCRF to carry out roaming local service function, VPCRF formulates this traffic aided PCC rule and is handed down to PCEF, and corresponding QoS rule issues each BBERF, installs and carries out;
Step S411, if online charging, PCEF will activate online charging session, provide the data messages such as roaming local service instruction to do decision-making to V-OCS.PCEF sends online chargeable session activation request message to visited place OCS, carries special charging key, and/or services of roaming mark or instruction;
Step S412, visited place VOCS, according to the mandate of the business information of PCEF credit request and ownership place OCS and the threshold value issuing, carries out credit authorization, issues corresponding credit quota to PCEF; The online chargeable session that sends visited place OCS activates response (creating credit corresponding) to PCEF, carries the credit informations such as credit quota; Concrete technical finesse is similar to the credit management flow process of ownership place and OCS and the ownership place PCEF of prior art;
Step S413, PCEF installs and implementation strategy, as PCC rule, event trigger etc.; PCEF place gateway is set up IP-CAN session to returning to reply, and carries the IP address of distribution;
Step S414, in business procedure, the credit line that visited place OCS is handed down to PCEF is used up, and business continues, PCEF continues to send credit control request information to visited place OCS application credit line, and in request message, reports current use consumption;
Step S415, visited place OCS stores current use consumption, and total threshold value of authorizing according to ownership place OCS, judges whether the credit line of authorizing PCEF new; Send response message to PCEF, carry the credit line of new mandate.The credit management interaction flow of PCEF and visited place V-OCS in the visited network of this S414 and S415 step, the credit management that can use for reference ownership place PCEF and ownership place OCS in existing home network.
(2) session termination of roaming local service:
Through above-mentioned flow process, can carry out the online charging function of roaming local service.In the time of conversation end, (granularity can be last the IP-CAN session under each IP-CAN session or this APN, specifically determine according to carrier policy), the credit threshold residue consumption (and/or current use consumption) that ownership place OCS authorizes need to report to ownership place OCS, and PCEF will send credit final report and initiate credit session termination to visited place OCS.Visited place VPCRF will send Sy session termination request (roaming local service final report) and, to visited place OCS, inform session termination, obtains credit threshold residue consumption (and/or current use consumption).VPCRF sends to ownership place HPCRF by this credit threshold residue consumption (and/or current use consumption) by S9 session modification or termination request.HPCRF initiates the Sy session termination request (roaming local service final report) of ownership place and, to ownership place OCS, informs session termination, and carries this credit threshold residue consumption (and/or current use consumption) to ownership place OCS.Idiographic flow is described as shown in Figure 5, and each step is described below:
Step S501, PCEF detects the triggering IP-CAN session that need to terminate, this triggering may be from other network elements, UE or PCEF self (for example PCC rule is all deleted);
Step S502, PCEF sends IP-CAN session termination Indication message to VPCRF; Inform that this IP-CAN session of VPCRF is just deleted, and provide relevant information to VPCRF;
Step S503, the relevant PCC rule of roaming local service in this IP-CAN session is generated by VPCRF, receives after this session termination request VPCRF by identification and deletes this rule-like and relevant information thereof;
Step S504, HPCRF identifies in this IP-CAN session and exists and roam local service, and there is Sy session, VPCRF sends Sy session termination request (roaming local service final report) to visited place OCS, inform session termination, and obtain credit threshold residue consumption (and/or current use consumption) to OCS;
Step S505, visited place OCS this Sy session that terminates, delete relevant information, return to Sy session termination response message (roaming local service final response) and, to VPCRF, in message, carry the credit threshold residue consumption (and/or current use consumption) of this user/business;
Step S506, VPCRF transmission S9 session modification or termination request message, to HPCRF, are notified the termination of this IP-CAN session of HPCRF; If this IP-CAN session is last the IP-CAN session under this APN, the S9 session that terminates, otherwise amendment S9 session, sub-session corresponding to this IP-CAN session terminates; In this message, carry credit threshold residue consumption (and/or current use consumption);
Step S507, HPCRF will identify and delete the PCC rule that this IP-CAN is relevant, and deletes the information that this IP-CAN session is relevant, such as CAMEL-Subscription-Information etc.; Initiate the request of Sy session termination, report credit threshold residue consumption (and/or current use consumption) is given OCS;
Step S508, HPCRF identifies in this IP-CAN session and exists and roam local service, and there is Sy session, send Sy session termination request (roaming local service final report) to ownership place OCS, inform session termination, and carry credit threshold residue consumption (and/or current use consumption) to OCS;
Step S509, ownership place OCS stores this credit threshold residue consumption of this termination, and this Sy session that terminates, deletes relevant information; Return to Sy session termination response message (roaming local service final response) to HPCRF;
Step S510, PCEF deletes all PCC rules that this IP-CAN is relevant;
Step S511, HPCRF sends the corresponding message of S9 session modification or termination to VPCRF;
Step S512, VPCRF sends IP-CAN session termination response message to PCEF, informs the finalization process of this IP-CAN session; This message is the response message of step 502;
Step S513, for the roaming local service of online charging, PCEF sends final report to visited place OCS;
Step S514, visited place OCS sends credit final response message to PCEF, and this online charging session that terminates.
It should be noted that, above-mentioned steps is not carried out in order, and for example above-mentioned steps S513 and S514 can carry out after step S512, also can after S501, before S502, carry out, and can also after S505, before S506, carry out.
(3) session modification of roaming local service:
Carry out in process in business, when IP-CAN session modification occurs, change if relate to charge information, may trigger PCEF and will initiate credit request or send final report request to visited place OCS; If the threshold value that ownership place OCS authorizes not yet arrives, the interaction process flow process of concrete PCEF and visited place OCS is with the credit management flow process in Fig. 4.Relate to charging relevant treatment flow process identical, be not repeated in this description here.
In conversation procedure, if ownership place OCS licenses to total credit threshold of visited place and arrives, and service needed continues, visited place OCS can send a request message to visited place VPCRF, request credit threshold, visited place VPCRF initiates S9 session modification flow process by S9 interface, asks this threshold value to ownership place HPCRF.Ownership place HPCRF initiates Sy session modification flow process, again asks the total threshold value of credit, and carry current actual use consumption to ownership place OCS to ownership place OCS; Ownership place OCS returns to Sy session modification response message to HPCRF, carries new mandate credit threshold or refusal request to HPCRF.HPCRF is sent to visited network VPCRF by Authorization result and threshold information by S9 interface.VPCRF sends Sy session modification response message to visited place OCS, informs new Authorization result and threshold information.Other flow process, with IP-CAN session modification prior art, is not repeated in this description here.
Embodiment bis-
(1) conversation establishing of roaming local service:
As shown in Figure 6, create the signaling process figure of IP-CAN session embodiment bis-during for UE roaming of the present invention, in conversation establishing process, visited place VPCRF receives the conversation establishing request of PCEF, sends S9 conversation establishing or modify request messages to ownership place HPCRF; Owing to being roaming local service, HPCRF is in decision-making mandate roaming local service, when finding to authorize VPCRF roaming local service authority, need to authorize credit threshold, send Sy conversation establishing/amendment message (the local report request of initial/middle internetwork roaming) to ownership place OCS.Ownership place OCS is according to the instruction of roaming local service or mark in message, according to roaming agreement or signing, (this threshold value granularity can be user or session or business-level to authorize credit threshold, can be the account amount of money, or the consumption such as time flow event), in Sy conversation establishing/amendment response message, send to ownership place HPCRF.HPCRF sends to visited place VPCRF by S9 conversation establishing/amendment response message by this credit threshold.
Different from embodiment mono-is, visited place does not exist Sy interface to dispose, or have Sy interface but do not support to roam the threshold value transmitting function of local service, VPCRF formulates and issues PCC rule that roaming local service is relevant to PCEF, and the credit threshold of carrying this ownership place mandate is to PCEF.PCEF sends credit request to create message to visited place OCS, carry roaming local service information, and this credit threshold is to visited place OCS.Visited place OCS stores this threshold value, and the threshold value of the business information of carrying according to request message and ownership place OCS mandate is carried out credit management and the processing of the account amount of money.The online chargeable session that sends visited place OCS activates response (creating credit response) and, to PCEF, carries relevant credit information.As shown in Figure 6, comprising:
Step S601～607, with embodiment mono-S401～407, PCEF request IP-CAN session establishment, ownership place OCS authorizes credit threshold, is issued to visited place VPCRF;
Step S608, the message that V-PCRF storage HPCRF returns.According to authorizing roaming local service or PCC rule, return to corresponding response message to PCEF.If the strategy that HPCRF formulates is as prior art flow performing rule issues.If HPCRF authorizes V-PCRF to carry out roaming local service function, VPCRF formulates this traffic aided PCC rule and is handed down to PCEF, and corresponding QoS rule issues each BBERF, installs and carries out; In message, carry RLS entirety credit threshold that ownership place OCS that H-PCRF issues authorizes to PCEF;
Step S609, online charging, PCEF sends online chargeable session activation request message and activates online charging session to visited place OCS, provides the RLS entirety credit threshold that the instruction of roaming local service and ownership place OCS authorize to do decision-making to V-OCS;
Step S610～S613, processes S412～415 with embodiment mono-, and visited place VOCS carries out credit management to this roaming local service, and PCEF installs and carries out relevant PCC rule, is not repeated in this description.
The embodiment of the present invention, can be used the roaming local service of online charging while making user roam into visited network.
As shown in Figure 7, be the structural representation of H-OCS embodiment of the present invention, this H-OCS comprises:
Receive judge module 71, for receiving Sy interface requests message, in this Sy interface requests message, carry roaming local service mark or instruction; Judge user's roaming local service authority according to this Sy interface requests message, determine and send credit threshold; And
Sending module 72, for sending described credit threshold by Sy interface to ownership place policy control and charging regulation function entity (H-PCRF).
In addition, for the session that terminates, described reception judge module, also for: receive described H-PCRF by the session termination request of described Sy interface report, the Sy session that terminates corresponding, delete relevant information; Described sending module, also for: return to session termination response to described H-PCRF.
Further, in the time that credit threshold arrives, in order to obtain new credit threshold, described reception judge module, also for: receive the session modification request that described H-PCRF sends by described Sy interface, in this session modification request, carry the actual use consumption of current credit threshold; Described sending module, also for: return to session modification response to described H-PCRF, in this session modification response, carry new credit threshold or refusal request.
As shown in Figure 8, be the structural representation of H-PCRF embodiment of the present invention, this H-PCRF comprises:
Receiver module 81, the credit threshold sending by Sy interface for receiving ownership place online charging device (H-OCS); And
Sending module 82, for sending described credit threshold by S9 conversation establishing or amendment response message to ownership place policy control and charging regulation function entity (V-PCRF).
In addition, described sending module, also for: send Sy interface requests message to described H-OCS, in this Sy interface requests message, carry roaming local service mark or instruction.
Further, described sending module, also for sending session termination request to described H-OCS; Described receiver module, the session termination response of also returning for receiving described H-OCS; So that termination session.
As shown in Figure 9, be the structural representation of V-OCS embodiment of the present invention, this V-OCS comprises:
Receiver module 91, for receiving credit threshold from visited place policy control and charging regulation function entity (V-PCRF); And
Processing module 92, for sending the online charging session activation response of carrying associated credit to strategy and charging execution function entity (PCEF), or triggers described PCEF and initiates discrimination weight flow process.
Wherein, described receiver module, specifically for: receive described credit threshold by Sy interface from described V-PCRF; Or, receiving described credit threshold by described PCEF from described V-PCRF, specific implementation process can be referring to Fig. 4 and Fig. 6.
In addition, for the session that terminates, described receiver module, the session termination request also sending for receiving described V-PCRF; Described processing module, also for returning to session termination response to described V-PCRF.
Further, in order to finish online charging session, described receiver module, the credit final report also sending for receiving described PCEF; Described processing module, also for returning to credit final response to described PCEF.
As shown in figure 10, be the structural representation of V-PCRF embodiment of the present invention, this V-PCRF comprises:
Receiver module 93, the credit threshold sending by S9 conversation establishing or amendment response message for receiving ownership place policy control and charging regulation function entity (H-PCRF); And
Sending module 94, for sending described credit threshold to visited place online charging device (V-OCS).
Wherein, described sending module, specifically for by Sy interface or strategy and charging execution function entity (PCEF) send described credit threshold to described V-OCS.
In addition, for the session that terminates, described sending module, also for sending session termination request to described V-OCS; Described receiver module, the session termination response of also returning for receiving described V-OCS.
Between above-mentioned H-OCS, H-PCRF, V-OCS and V-PCRF, mutually alternately, while making user roam into visited network, can use the roaming local service of online charging.
One of ordinary skill in the art will appreciate that all or part of step in said method can carry out instruction related hardware by program and complete, said procedure can be stored in computer-readable recording medium, as read-only memory, disk or CD etc.Alternatively, all or part of step of above-described embodiment also can realize with one or more integrated circuits.Correspondingly, the each module/unit in above-described embodiment can adopt the form of hardware to realize, and also can adopt the form of software function module to realize.The present invention is not restricted to the combination of the hardware and software of any particular form.
Above embodiment is only unrestricted in order to technical scheme of the present invention to be described, only with reference to preferred embodiment, the present invention is had been described in detail.Those of ordinary skill in the art should be appreciated that and can modify or be equal to replacement technical scheme of the present invention, and do not depart from the spirit and scope of technical solution of the present invention, all should be encompassed in the middle of claim scope of the present invention.
Claims (20)
1. an online charging method of roaming local service, is characterized in that, under application roaming visited place access scene, the method comprises:
Ownership place Online Charging System (H-OCS) sends credit threshold by Sy interface to ownership place policy control and charging regulation function entity (H-PCRF);
Described H-PCRF sends described credit threshold by S9 conversation establishing or amendment response message to visited place policy control and charging regulation function entity (V-PCRF);
Visited place Online Charging System (V-OCS) receives described credit threshold from described V-PCRF; And
Described V-OCS sends the online charging session activation response of carrying associated credit to strategy and charging execution function entity (PCEF), or triggers described PCEF and initiate discrimination weight flow process.
2. method according to claim 1, is characterized in that:
Before described H-OCS sends credit threshold by Sy interface to H-PCRF, described method also comprises:
Described H-OCS receives Sy interface requests message, carries roaming local service mark or instruction in this Sy interface requests message; And
Described H-OCS judges user's roaming local service authority according to this Sy interface requests message, whether decision-making sends described credit threshold.
3. method according to claim 1, is characterized in that:
Described V-OCS receives described credit threshold from described V-PCRF, comprising:
Described V-OCS receives described credit threshold by Sy interface from described V-PCRF; Or
Described V-OCS receives described credit threshold by described PCEF from described V-PCRF.
4. according to the method described in the arbitrary claim of claim 1-3, it is characterized in that:
Described credit threshold is the account amount of money, flow, time or the event of predetermined number.
5. method according to claim 4, is characterized in that, described method also comprises:
When described credit threshold arrives, described V-OCS triggers re-authentication requests and obtains new credit threshold from V-PCRF, or triggers the amendment of Sy interface session and obtain new credit threshold from V-PCRF; And
Described V-PCRF is by S9 session modification flow process to the request of described H-PCRF forward pass threshold value, and described H-PCRF asks described new credit threshold by Sy interface to described H-OCS.
6. method according to claim 5, is characterized in that, described method also comprises:
Described V-PCRF sends session termination request to described V-OCS;
Described PCEF sends credit final report to described V-OCS;
Wherein, the use consumption that comprises described credit threshold in described session termination request or described credit final report and/or residue consumption.
7. method according to claim 6, is characterized in that, described method also comprises:
The use consumption of described credit threshold and/or residue consumption forward pass are given described H-PCRF by described V-PCRF, and described H-PCRF gives described H-OCS by described Sy interface report.
8. an ownership place Online Charging System device (H-OCS), is characterized in that, this H-OCS comprises:
Receive judge module, for receiving Sy interface requests message, in this Sy interface requests message, carry roaming local service mark or instruction; Judge user's roaming local service authority according to this Sy interface requests message, determine and send credit threshold; And
Sending module, for sending described credit threshold by Sy interface to ownership place policy control and charging regulation function entity (H-PCRF).
9. H-OCS according to claim 8, is characterized in that:
Described reception judge module, also for: receive described H-PCRF by the session termination request of described Sy interface report, the Sy session that terminates corresponding, delete relevant information;
Described sending module, also for: return to session termination response to described H-PCRF.
10. H-OCS according to claim 8 or claim 9, is characterized in that:
Described reception judge module, also for: receive the session modification request that described H-PCRF sends by described Sy interface, in this session modification request, carry the actual use consumption of current credit threshold;
Described sending module, also for: return to session modification response to described H-PCRF, in this session modification response, carry new credit threshold or refusal request.
11. 1 kinds of ownership place policy control and charging regulation function entity device (H-PCRF), is characterized in that, this H-PCRF comprises:
Receiver module, the credit threshold sending by Sy interface for receiving ownership place Online Charging System (H-OCS); And
Sending module, for sending described credit threshold by S9 conversation establishing or amendment response message to ownership place policy control and charging regulation function entity (V-PCRF).
12. H-PCRF according to claim 11, is characterized in that:
Described sending module, also for: send Sy interface requests message to described H-OCS, in this Sy interface requests message, carry roaming local service mark or instruction.
13. according to the H-PCRF described in claim 11 or 12, it is characterized in that:
Described sending module, also for sending session termination request to described H-OCS;
Described receiver module, the session termination response of also returning for receiving described H-OCS.
14. 1 kinds of visited place Online Charging System devices (V-OCS), is characterized in that, this V-OCS comprises:
Receiver module, for receiving credit threshold from visited place policy control and charging regulation function entity (V-PCRF); And
Processing module, for sending the online charging session activation response of carrying associated credit to strategy and charging execution function entity (PCEF), or triggers described PCEF and initiates discrimination weight flow process.
15. V-OCS according to claim 14, is characterized in that:
Described receiver module, specifically for: described credit threshold received by Sy interface from described V-PCRF; Or, receive described credit threshold by described PCEF from described V-PCRF.
16. according to the V-OCS described in claims 14 or 15, it is characterized in that:
Described receiver module, the session termination request also sending for receiving described V-PCRF;
Described processing module, also for returning to session termination response to described V-PCRF.
17. V-OCS according to claim 16, is characterized in that:
Described receiver module, the credit final report also sending for receiving described PCEF;
Described processing module, also for returning to credit final response to described PCEF.
18. 1 kinds of visited place policy control and charging regulation function entity device (V-PCRF), is characterized in that, this V-PCRF comprises:
Receiver module, the credit threshold sending by S9 conversation establishing or amendment response message for receiving ownership place policy control and charging regulation function entity (H-PCRF); And
Sending module, for sending described credit threshold to visited place Online Charging System (V-OCS).
19. V-PCRF according to claim 18, is characterized in that:
Described sending module, specifically for by Sy interface or strategy and charging execution function entity (PCEF) send described credit threshold to described V-OCS.
20. according to the V-PCRF described in claim 18 or 19, it is characterized in that:
Described sending module, also for sending session termination request to described V-OCS;
Described receiver module, the session termination response of also returning for receiving described V-OCS.
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| PCT/CN2013/086040 WO2014107985A1 (en) | 2013-01-10 | 2013-10-28 | Local roaming service online charging method, h-ocs and v-ocs |
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