CN101001402A - Mobile communication system and system of using attaching network application function service - Google Patents
Mobile communication system and system of using attaching network application function service Download PDFInfo
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Abstract
This invention discloses a mobile communication system and a method for using attribution network applied function service, in which, when a panning UE in an access network accesses AF service connected with HPLMN PCRF, it can carry out strategy and charge control to services accurately, and PCRF of the attribution network and that of the panning network decide if they allow the UE panning to the access network using the AF service of the attribution network and adds a new interface between OCS of the two networks, when the OCS of the access network charges for the UE in panning using AF of the attribution network, it gets the charge credit information from the OCS of the attribution network directly by the new interface. This invention puts forward a realization mode of interface between the two networks and information kind transmitted in it to realize PCRF and OCS in a same network entity.
Description
Technical field
The present invention relates to mobile communication technology, the subscriber equipment of particularly roaming in the visited network uses the related system and the method for attaching network application function service.
Background technology
GPRS (General Packet Radio Service is called for short " GPRS ") network is a kind of cellular mobile communication networks of new generation based on global mobile system (Global System of Mobility is called for short " GSM ") network.In order to support the GPRS function, in existing GSM network, need to increase some nodes, as Gateway GPRS Support Node (Gateway GPRS Support Node, abbreviation " GGSN "), Serving GPRS Support Node (Serving GPRS Support Node, be called for short " SGSN "), they all belong to GPRS Support Node (GPRS Support Node is called for short " GSN ").
In addition, at 3G (Third Generation) Moblie (The Third Generation, be called for short " 3G ") in, Wideband Code Division Multiple Access (WCDMA) (Wideband Code Division Multiple Access for example, abbreviation " WCDMA ") core net (Core Net, be called for short " CN ") in, also support the GPRS function, GSN nodes such as GGSN and SGSN are arranged equally.
Wherein, GGSN is as one of core network device of GPRS, and major function is network insertion control, charging information collecting, Route Selection and forwarding, mobile management, borde gateway (Border Gateway is called for short " BG ") etc.
Industry realizes that on GPRS network a kind of main mode of IN service is GGSN/ Service Switching Function (GGSN/Service Switch Function at present, be called for short " GGSN/SSF ") mode, this GGSN/SSF mode is to realize the function of exchange of IN service on GGSN.This mode is at Service Switching Point (Service Switch Point, be called for short " SSP ") and service control point (Service Control Point, abbreviation " SCP ") interface between has all adopted third generation partner program (3rd GenerationPartnership Project, abbreviation " 3GPP ") mobile network of TS 23.078 standard formulations strengthens customization application (Customized Applications for Mobile network Enhanced Logic is called for short " CAMEL ") interface of logic.
Charging Gateway Functionality (Charging Gateway Functionality is called for short " CGF ") is collected and sent to charge information by SGSN and GGSN in the GPRS network.The call detail record that CGF collects from SGSN (Call Detail Record, abbreviation " CDR ") is called SGSN call detail record (SGSN-Call Detail Record, be called for short " S-CDR "), the CDR that collects from GGSN is called GGSN call detail record (GGSN-Call Detail Record, " G-CDR ").
In 3GPP R5 (version 5), adopt charging (Flow Based Charging is called for short " FBC ") mode based on stream, the description of the aspects such as system configuration, functional requirement and message flow of FBC is arranged in 3GPP TS 23.125 standards particularly.
In 3GPP R6 (version 6), provide local policy based on business (Service Based LocalPolicy is called for short " SBLP ") controlling schemes and based on the business data flow FBC charging controlling schemes of (Service Data Flow is called for short " SDF ").
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, mechanism after the fusion is the strategy and the control of chargeing (Policy andCharging Control is called for short " PCC ") of 3GPP R7, as shown in Figure 1.This real time interactive operation system that optimization is provided in the gateway (Gateway is called for short " GW ") of GGSN and other Access Network better that is beneficial to that is associated with.
The same with FBC, the basic object of operating in PCC also is SDF.Similarly, in FBC, use charging regulation (charging rule), and PCC rule (rule) is all passed through in all operations in PCC, expresses and is sent among the execution functional entity in the network.CAMEL-Subscription-Information, new binding mechanism and the combination of PCC rule, make PCC can be suitable for more generally applied environment, for example, application function (Application Function is arranged, be called for short " AF ") or do not have AF, GPRS carrying or non-GPRS carrying or the like, also the enforcement for how new application provides a more unitized operating platform.
In this PCC mechanism based on charging rule functions (the Charging Rules Function of SDF, abbreviation " CRF ") is called strategy and charging rule functions (Policy and Charging Rules Function, be called for short " PCRF "), both comprised (the Policy Decision Function of strategy decisive function among the SBLP, be called for short " PDF "), comprised the function of CRF among the FBC again, and provide service quality (Qualityof Service to GW, be called for short " QoS ") authorization message and charging regulation, as shown in Figure 2.
Wherein, signatory specification storehouse (Subscription Profile Repository, abbreviation " SPR ") entity has comprised the signatory relevant information with the user, and it all is very useful that these information carry out controlling based on the charging of signatory policy control and carrying level for PCRF.
Similarly, GW entity has as shown in Figure 1 comprised Policy Enforcement Point (the PolicyEnforcement Point of SBLP, be called for short " PEP ") and traffic plane function (the Traffic PlaneFunction of FBC, be called for short " TPF "), and provide the processing of user's surface current amount and QoS to handle, coupling and statistical function based on SDF also are provided.
In addition, Online Charging System (Online Charging System, be called for short " OCS ") to form by SCP and two functional entitys of credit control function (Credit Control Function is called for short " CCF "), the user credit when wherein CCF is to online charging manages.When the user used business, CCF carried out authentication to this user's credit, and issued the operable credit of user to TPF.
Corresponding to GPRS network, AF is a Service Gateway in Packet Data Network's (Packet Data Network is called for short " PDN "), or service server.And TPF is GGSN, and CRF then is newly-increased logic entity.Wherein, the function of TPF is that charging regulation is carried out point, and CRF is the control point of charging regulation.
The PCRF (V-PCRF) of the visited network (Visited Network) of roaming UE is as an agency, be P-PCRF, with ownership public land mobile radio communication (Home PLMN, be called for short " HPLMN "), also be to use the Gx interface between the PCRF (H-PCRF) of home network (Home Network), as shown in Figure 3.
Wherein, P-PCRF has policy control decision-making and FBC controlled function as the function that the agency may support; Detect gating (gating), QoS and FBC control (removing credit management) according to Business Stream, provide network control to strategy and charge execution function (Policy and Charging Enforcement Function is called for short " PCEF "); Before accepting the home network business information, apply for security process according to operator's demand; Before the information that provides of storage AF, may detect it whether with the policing rule unanimity of local operator definition, and may be according to detecting the request that inconsistent result refuse home network; Determine the business datum stream type in PCEF, handled, and guarantee the professional mapping of PCEF user's face and handle signed instrument according to the user; May check before storage service information whether the business information that AF provides is consistent with the policing rule of operator's definition, and wherein, business information is used to extract this professional QoS; Use the basis of CAMEL-Subscription-Information as the strategy and the control decision of chargeing, wherein, CAMEL-Subscription-Information can be applied for based on dialogue with based on non-conversational service.
The another kind of network architecture of prior art is AF or is in the home network, perhaps and exist between the H-PCRF and connect.When roaming UE was in visited network, though the user flows without home network, it still was subjected to the control of home network.
In this case, the Centroid of home network (anchor) does not need the processing of participating user stream, and policy enforcement function is carried out in visited network.But do not have direct Signalling exchange between visited network and the home network, whether need between H-PCRF and V-OCRF, transmit the AF session information so that be to remain next step research (For Further Study, be called for short " FFS ") in the service node implementation strategy.
If the mode that V-PCRF provides policing rule with the roaming agreement of home network in preset, rely on roaming agreement and carry out the policy control of visited network, then need existing roaming agreement is made amendment, and the content of its feasibility and modification is FFS, if it is feasible, the roam charge agreement is oversimplified, and for example dialogue-based signaling charges, not to the medium charging etc., also is FFS.
May need to carry out the PEP config update when also needing research to use routing optimality, when for example carrying allowed to switch between optimization and unoptimizable pattern in conversation procedure, how being configured renewal also was FFS.
In actual applications, there is following problem in such scheme: the roaming home network service billing that UE inserted is inaccurate.
Cause the main cause of this situation to be, owing to all do not have definition for the information content, mode and the strategy that between H-PCRF and V-PCRF, are transmitted at present, so strategy and charging regulation to the home network service billing that inserted in roaming network of roaming UE are dumb, it is inaccurate to cause chargeing.
Summary of the invention
In view of this, the method that main purpose of the present invention is to provide a kind of mobile communication system and uses attaching network application function service, make the UE that roams in the visited network insert the AF that links to each other with HPLMN PCRF when professional, can carry out strategy exactly and the control of chargeing business.
For achieving the above object, the invention provides a kind of mobile communication system, comprise home network and visited network, comprise respectively in home network and the visited network: interconnective strategy and charging rule functions, strategy and charge execution function and Online Charging System in network; Strategy in the home network and charging rule functions interconnect by strategy in first interface and the visited network and charging rule functions, also comprise the application function that is connected with charging rule functions with strategy in the home network;
Online Charging System in the visited network interconnects by the Online Charging System in second interface and the home network;
When the subscriber equipment that roams into visited network uses professional that the application function of home network provides, the Online Charging System of this visited network also is used for this business is carried out online charging, and when chargeing by the Online Charging System Apply Charging credit of described second interface to home network.
Wherein, described first interface realizes that based on the Gx interface wherein, visited network side strategy and charging rule functions are the server end of Gx interface, and home network side strategy and charging rule functions are the client of Gx interface.
In this external described system, described first interface realizes that based on Rx interface wherein, visited network side strategy and charging rule functions are the client of Rx interface, and home network side strategy and charging rule functions are the server end of Rx interface.
In this external described system, described first interface is a kind of redetermination interface that is different from Gx interface and Rx interface.
In this external described system, in home network and visited network, strategy is arranged in same network entity with charging rule functions and Online Charging System in the consolidated network; This network entity is formed by Gx interface and the merging of Gy interface with the interface that the interior strategy of consolidated network is connected with charge execution function;
Contain in the home network between the network entity that contains tactful and charging rule functions and Online Charging System in strategy and the network entity of charging rule functions and Online Charging System and the visited network and be connected by the 4th interface.
In this external described system, described the 4th interface is based on realizing with one of lower interface or its combination in any:
Gx interface, Rx interface and Gx over Gy interface, and a kind of redetermination interface.
In this external described system, described first interface or the 4th interface information transmitted comprise one of following or its combination in any:
Be used for strategy and the application function information of the control of chargeing, be used for determining to charge relevant information, trigger event information, online charging relevant information, application function charging identifier, IP quality of service information, the description of application function door, contract specification library information, loaded state, traffic identifier and service fail cause information.
The present invention also provides a kind of roaming user equipment to use the method for attaching network application function service, comprises following steps:
When the user equipment requests roamed in visited network is used application function in the home network professional, in the visited network strategy and charging rule functions by with home network in strategy and charging rule functions mutual, according to the ability of the CAMEL-Subscription-Information of described subscriber equipment, visited network with preset strategic decision-making and whether allow described subscriber equipment to use described business, if then determine corresponding strategy and charging regulation and carry out strategy and the control of chargeing, otherwise refuse of the request of described subscriber equipment to described business.
Wherein, in the described visited network in strategy and charging rule functions and the home network strategy with the mutual of charging rule functions with make a strategic decision and specifically comprise following substep:
Whether strategy allows described subscriber equipment to use described business with charging rule functions according to the ability of visited network and local policy decision in the visited network, if then in home network strategy send a request message with charging rule functions; Otherwise refuse of the request of described subscriber equipment to described business;
After strategy is received described request message with charging rule functions in the home network, make a strategic decision whether allow to use described business, and the result of decision or corresponding information are responded to strategy in the visited network and charging rule functions according to the CAMEL-Subscription-Information of described subscriber equipment.
In this external described method, in the described visited network in strategy and charging rule functions and the home network strategy with the mutual of charging rule functions with make a strategic decision and specifically comprise following substep:
Strategy sends a request message with charging rule functions with charging rule functions strategy in home network in the visited network;
After strategy is received described request message with charging rule functions in the home network, make a strategic decision whether allow to use described business, and the result of decision or corresponding information are responded to strategy in the visited network and charging rule functions according to the CAMEL-Subscription-Information of described subscriber equipment;
If strategy receives that with charging rule functions strategy agrees that with charging rule functions described subscriber equipment uses the result of decision or the corresponding information of described business in the home network in the visited network, then further whether allow described subscriber equipment to use described business according to the ability of visited network and local policy decision, if then determine corresponding strategy and charging regulation and carry out strategy and the control of chargeing, otherwise refuse of the request of described subscriber equipment to described business.
In this external described method, if the described professional online charging mode that adopts then also comprises following steps when chargeing:
Strategy sends message with charging rule functions strategy in visited network with charge execution function in the visited network, wherein comprises the address of Online Charging System in the home network of described subscriber equipment;
Strategy is connected to Online Charging System in the visited network with charge execution function in the visited network, and according to the address of Online Charging System in the home network of receiving, by the Online Charging System Apply Charging credit in home network of Online Charging System in this visited network;
Online Charging System carries out online charging according to the charging credit of applying for to described business in the visited network.
In this external described method, strategy is connected to Online Charging System in the visited network with charge execution function by address that sets in advance or the address that is provided by strategy and charging rule functions in the visited network in the visited network.
In this external described method, strategy sends message with charging rule functions strategy in visited network with charge execution function in the visited network, wherein comprises the address of Online Charging System in the visited network;
Strategy and charge execution function are connected to Online Charging System in the visited network according to the address of Online Charging System in the visited network of receiving in the visited network, and by Online Charging System Online Charging System Apply Charging credit in home network in this visited network; Wherein, Online Charging System strategy and charging rule functions from visited network obtains the address of Online Charging System in the home network in the described visited network;
Online Charging System carries out online charging according to the charging credit of applying for to described business in the visited network.
In this external described method, in the described visited network in strategy and charging rule functions and the home network between strategy and the charging rule functions mutual information comprise one of following or its combination in any:
Be used for strategy and the application function information of the control of chargeing, be used for determining to charge relevant information, trigger event information, online charging relevant information, application function charging identifier, IP quality of service information, the description of application function door, contract specification library information, loaded state, traffic identifier and service fail cause information.
In this external described method, the described relevant information that is used for determine chargeing comprises one of following or its combination in any:
Online charging or offline charging mode are indicated, Charging Detail Record unit indication, Online Charging System and off-line accounting system address information, the information of determining the charging key, visited network sign, visited network entity IP address and service identification or application function application identities.
In this external described method, describedly be used for strategy and the application function information of the control of chargeing comprises one of following or its combination in any:
Filter information, quality of service information, medium type and medium composition.
By relatively finding, the main distinction of technical scheme of the present invention and prior art is, between the OCS of home network and visited network, increase new interface, when the OCS of visited network uses home network AF service billing for UE in the roaming, directly obtain the credit information that charges from the OCS of home network by this newly-increased interface.
The implementation of interface between the PCRF of home network and visited network has been proposed, and the information category that transmits in this interface.
PCRF and OCS are realized in same network entity.
In the UE request home network during AF professional, the PCRF of home network is according to the CAMEL-Subscription-Information of UE, visited network PCRF is according to the ability and the local policy of visited network, whether decision allows this UE to use this business respectively, if the PCRF of home network and visited network PCRF allow, determine corresponding strategy and charging regulation again and carry out strategy and the control of chargeing, otherwise the request of refusal UE.
If online charging, then visited network PCEF passes through visited network OCS to home network OCS Apply Charging credit.
Difference on this technical scheme, brought comparatively significantly beneficial effect, promptly because increased the OCS interface of home network and visited network, so roam into the UE of visited network when using the AF of home network professional, the OCS of visited network can carry out online charging to this UE, thereby simplified strategy and charging control flow, optimized network performance, improved utilization rate of network resource.
By specific implementation that proposes the PCRF interface and the information category that wherein transmits, make scheme have more exploitativeness.
By PCRF and OCS are realized, further simplified the interface between each network element in same network entity.
By in home network PCRF and the two-layer decision-making of visited network PCRF, make when UE access belonging network AF professional, can take all factors into consideration the signatory situation of UE and the practical capacity of visited network and whether allow UE to insert the decision of this business to draw.
Description of drawings
Fig. 1 is the PCC mechanism structure schematic diagram of 3GPP R7 in the prior art;
Fig. 2 is a PCRF structural representation among the PCC of 3GPP R7 in the prior art;
Fig. 3 is the network architecture schematic diagram of mobile communication system in the prior art;
Fig. 4 is the network architecture schematic diagram according to the mobile communication system of first embodiment of the invention;
Fig. 5 is the network architecture schematic diagram according to the mobile communication system of second embodiment of the invention;
Fig. 6 is the method flow diagram that uses home network AF business according to the roaming UE of third embodiment of the invention;
Fig. 7 is a schematic network structure of using home network AF business according to the roaming UE of third embodiment of the invention in network architecture as shown in Figure 4;
Fig. 8 uses the method flow diagram of home network AF business according to the roaming UE of four embodiment of the invention;
Fig. 9 uses the schematic network structure of home network AF business in network architecture as shown in Figure 5 according to the roaming UE of four embodiment of the invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with accompanying drawing.
The present invention has defined the information that transmits between a kind of new mobile communication system network framework and H-PCRF and V-PCRF.When being positioned at visited network, the user inserts the AF that connects with H-PCRF when professional, in order better to carry out policy control and the control of chargeing, and network processing method after transmitting information particularly and receive these information between clear and definite H-PCRF and V-PCRF.
The network architecture of the mobile communication system of first embodiment of the invention comprises home network and visited network as shown in Figure 4 in this network.
Wherein, comprise respectively in home network and the visited network: interconnective PCRF, PCEF and OCS in network.In addition, also comprise the AF that is connected with H-PCRF in the home network.
H-PCRF can be by interconnecting based on Gx or based on Rx interface or a kind of redetermination interface and V-PCRF.If by connecting based on the Gx interface, V-PCRF is the server end of Gx interface so, H-PCRF then is the client of Gx interface; If by connecting based on Rx interface, V-PCRF is the client of Rx interface so, H-PCRF then is the server end of Rx interface.
Can transmit following information (being not limited to following information) above-mentioned based on Gx or in based on Rx interface or a kind of redetermination interface:
Be used for strategy and the AF information of the control of chargeing, comprise one or any several combination of following information: filter (filter) information (as IP five source group information), QoS information (business information of AF or PDF transform the IP QoS information that obtains with the business information of AF, as above the bandwidth or the speed of downstream requirement), medium type and medium composition;
Be used for the relevant information of determine chargeing, comprise one or any several combination of following information: online charging or offline charging mode are indicated, Charging Detail Record unit indication (as based on charge on traffic or time-based charging or based on flow and time-based charging), Online Charging System OCS and off-line accounting system OFCS address information, the information of determining the charging key, visited network sign, visited network entity IP address (serving the IP address of visited network SGSN or the 3GPP AAA Server of UE), service identification or AF application identities;
Trigger event information;
The relevant information of OCS is as credit management or grant triggers incident etc.;
AF charging ID is ICID in internet protocol multimedia subsystem (IP Multimedia Subsystem is called for short " IMS ");
IP QoS information;
AF gate (door) describes, the information that opens or closes as gate;
SPR information comprises the business information that the contracted user contracts;
Loaded state, as carrying set up, lose, recovery, release etc.;
Traffic identifier (be used for tagged traffic stream);
User ID, as international mobile station identity number (International Mobile Station Identity, be called for short " IMSI ") or network address sign (Network Address Identifier, be called for short " NAI ") or international comprehensive service digital net number of travelling carriage (Mobile Station International IntegratedServices Digital Network Number is called for short " MSISDN ") or IP address etc.;
The service fail reason.
Wherein for QoS information, H-PCRF directly is transmitted to V-PCRF with the AF business information, also can be to send to V-PCRF after the AF business information is converted into IP QoS information.
The OCS of visited network (being V-OCS) and the OCS (being H-OCS) of home network also interconnect, when UE roams into visited network, when using professional that the AF of this network provides, this V-OCS carries out online charging to this business, and connects to H-OCS Apply Charging credit by this when chargeing.Exactly because increased the interface between V-OCS and H-OCS, in this charging process, strategy and charging control flow have been simplified, and have also optimized network performance simultaneously, have improved utilization rate of network resource.
The network architecture of the mobile communication system of second embodiment of the invention as shown in Figure 5, and is similar to above-mentioned execution mode, comprises home network and visited network in this network equally.Difference only is that in home network and visited network, PCRF and OCS are arranged in same network entity in the consolidated network.By PCRF and OCS are realized, can further simplify the interface between each network element in same network entity.
Correspondingly, the interface that PCEF is connected in this network entity and the consolidated network is merged by Gx interface and Gy interface and forms or a kind of redetermination interface.
Between this network entity of home network and visited network, pass through based on realizing: Gx interface, Rx interface and Gx over Gy interface, and a kind of redetermination interface with one of lower interface or its combination in any.The content of transmitting in this interface is including but not limited to following information:
Be used for strategy and the AF information of the control of chargeing, comprise one or any several combination of following information: filter (filter) information (as IP five source group information), QoS information (the as above bandwidth or the speed of downstream requirement), medium type and medium composition;
Be used for the relevant information of determine chargeing, comprise one or any several combination of following information: online charging or offline charging mode are indicated, Charging Detail Record unit indication (as based on charge on traffic or time-based charging or based on flow and time-based charging), off-line accounting system OFCS address information, the information of determining the charging key, visited network sign, visited network entity IP address (serving the IP address of visited network SGSN or the 3GPP AAA Server of UE), service identification or AF application identities;
Trigger event information;
The relevant information of OCS is as credit management or grant triggers incident etc.;
AF charging ID is ICID in IMS;
IP QoS information;
AF gate (door) describes, the information that opens or closes as gate;
SPR information;
Loaded state, as carrying set up, lose, recovery, release etc.;
Traffic identifier (be used for tagged traffic stream);
User ID is as IMSI or NAI or MSISDN or IP address etc.;
The service fail reason;
User credit information.
The method that the UE of third embodiment of the invention uses visited network AF business as shown in Figure 6, the home network of UE-a is a network A, when UE-a moves to network B (being visited network), and request is when using network A professional, network configuration is as shown in Figure 7.
In step 601, when the UE of roaming when the network B request uses that AFl is professional in the network A, send service request to the PCEF of visited network B (V-PCEF).
In step 602, whether V-PCRF allows UE to use business according to the ability and the local policy decision of network B, if then change step 604 over to; Otherwise change step 603 over to.
In step 603, V-PCRF refuses the service access request of this UE.
In step 604, V-PCRF sends a request message to H-PCRF according to the service requesting information that V-PCEF receives.The information of carrying in this message comprises:
Subscription-Id AVP (roamer's identification information);
3GPP-SGSN-MCC-MNC (the PLMN Id information of network B);
3GPP-SGSN-Address (address of SGSN).
In step 605, after H-PCRF receives request message, inquire about SPR according to the CAMEL-Subscription-Information of UE and make a strategic decision whether allow to use this business, and the result of decision and relevant information are responded to V-PCRF.If the result of decision is used the AF business for allowing, then change step 606 over to; Otherwise change step 603 over to.By in H-PCRF and the two-layer decision-making of V-PCRF, make when roaming UE access belonging network AF professional, can take all factors into consideration the signatory situation of UE and the practical capacity of visited network and whether allow UE to insert the decision of this business to draw.
Wherein, the information responded to V-PCRF of H-PCRF comprises:
Flow-Description AVP (filter information of AF);
QoS information comprises: Max-Requested-Bandwidth-DL AVP (downlink bandwidth of largest request), Max-Requested-Bandwidth-UL (upstream bandwidth of largest request), RR-BandwidthAVP (Radio Resource bandwidth), RS-Bandwidth AVP (wireless receiving bandwidth);
Media-Type AVP (medium type);
Media-Component-Description AVP (description of medium composition);
Online AVP (online charging);
Metering-Method AVP (Charging Detail Record unit indication) is as based on flow and time-based charging;
Charging-Information AVP (Online Charging System OCS address);
AF-Application-identifier AVP (service identification or AF application identities);
Event-Trigger AVP (trigger event);
Some information of OCS are as credit management or grant triggers incident etc.;
AF-charging-ID is ICID in IMS;
Flow-Status AVP (stream mode) among the Media-Component-Description AVP opens or closes as the AF door;
Flows AVP (traffic identifier) is used for tagged traffic stream.
In step 606, V-PCRF determines corresponding strategy and charging regulation.Wherein, be used for determine chargeing that relevant information has that online charging or offline charging mode are indicated, Charging Detail Record unit indication, OCS and OFCS address information, the information of determining the charging key, visited network sign, visited network entity IP address and service identification or AF application identities or the like.
In step 607, if the professional online charging mode that adopts, then V-PCRF issues V-PCEF with the message of information such as determined strategy and charging regulation, and comprises the address of the H-OCS of UE.
In step 608, V-PCEF is connected to V-OCS by the address that sets in advance or by the address that V-PCRF provides, and according to the address of the H-OCS that receives, by this V-OCS through the interface between H-PCRF and V-PCRF to H-OCS Apply Charging credit.
Wherein, the information of the interactive interfacing between V-PCRF and H-PCRF can be to be used for strategy and QoS information, the description of application function door, SPR information, loaded state, traffic identifier and the service fail cause information etc. of the application function information of the control of chargeing, be used for determining chargeing relevant information, trigger event information, online charging relevant information, application function charging identifier, IP.Specifically, be used for application function the information tactful and control of chargeing and be meant that filter information, quality of service information, medium type and medium become to grade.By specific implementation that proposes the PCRF interface and the information category that wherein transmits, make scheme have more exploitativeness.
In step 609, V-OCS carries out online charging according to the charging credit of applying for to business.
The method of the UE use visited network AF business of four embodiment of the invention as shown in Figure 8, similar with the 3rd execution mode, the home network of UE-a is a network A, when UE-a moves to network B (being visited network), and request is when using network A professional, and network configuration as shown in Figure 9.
Step 801 is similar to step 601.
In step 802, V-PCRF sends a request message to H-PCRF according to the service requesting information that V-PCEF receives.
In step 803, after H-PCRF receives request message, inquire about SPR according to the CAMEL-Subscription-Information of UE and make a strategic decision whether allow to use this business, and the result of decision and relevant information are responded to V-PCRF.If the result of decision is used the AF business for allowing, then change step 805 over to; Otherwise change step 804 over to.The information that H-PCRF responds to V-PCRF comprises:
Flow-Description AVP (filter information of AF);
QoS information comprises: Max-Requested-Bandwidth-DL AVP (downlink bandwidth of largest request), Max-Requested-Bandwidth-UL (upstream bandwidth of largest request), RR-BandwidthAVP (Radio Resource bandwidth), RS-Bandwidth AVP (wireless receiving bandwidth);
Media-Type AVP (medium type);
Media-Component-Description AVP (description of medium composition);
Online AVP (online charging);
Metering-Method AVP (Charging Detail Record unit indication) is as based on flow and time-based charging;
AF-Application-identifier AVP (service identification or AF application identities);
Event-Trigger AVP (trigger event);
Some information of OCS are as credit management or grant triggers incident etc.;
AF-charging-ID is ICID in IMS;
Flow-Status AVP (stream mode) among the Media-Component-Description AVP opens or closes as the AF door;
Flows AVP (traffic identifier) is used for tagged traffic stream.
Step 804 also is similar to step 603.
In step 805, whether V-PCRF allows UE to use business according to the ability and the local policy decision of network B, if the result of decision is used the AF business for allowing, then changes step 806 over to; Otherwise change step 804 equally over to.
Step 806 is similar to step 606 equally, does not give unnecessary details at this.
In step 807, V-PCRF issues V-PCEF with the message of information such as determined strategy and charging regulation, wherein comprises the address of V-OCS, and the online charging mode is adopted in expression.
In step 808, V-PCEF is connected to V-OCS according to the address of the V-OCS that receives, and by this V-OCS through the interface between H-PCRF and V-PCRF to H-OCS Apply Charging credit.Wherein, V-OCS obtains the address of H-OCS from V-PCRF.
In step 809, V-OCS carries out online charging according to the charging credit of applying for to business.
Though pass through with reference to some of the preferred embodiment of the invention, the present invention is illustrated and describes, but those of ordinary skill in the art should be understood that and can do various changes to it in the form and details, and without departing from the spirit and scope of the present invention.
Claims (15)
1. a mobile communication system comprises home network and visited network, comprises respectively in home network and the visited network: interconnective strategy and charging rule functions, strategy and charge execution function and Online Charging System in network; Strategy in the home network and charging rule functions interconnect by strategy in first interface and the visited network and charging rule functions, it is characterized in that, also comprise the application function that is connected with charging rule functions with strategy in the home network;
Online Charging System in the visited network interconnects by the Online Charging System in second interface and the home network;
When the subscriber equipment that roams into visited network uses professional that the application function of home network provides, the Online Charging System of this visited network also is used for this business is carried out online charging, and when chargeing by the Online Charging System Apply Charging credit of described second interface to home network.
2. mobile communication system according to claim 1, it is characterized in that described first interface is based on the realization of Gx interface, wherein, visited network side strategy and charging rule functions are the server end of Gx interface, and home network side strategy and charging rule functions are the client of Gx interface.
3. mobile communication system according to claim 1, it is characterized in that described first interface realizes based on Rx interface, wherein, visited network side strategy and charging rule functions are the client of Rx interface, and home network side strategy and charging rule functions are the server end of Rx interface.
4. mobile communication system according to claim 1 is characterized in that, in home network and visited network, strategy is arranged in same network entity with charging rule functions and Online Charging System in the consolidated network; This network entity is formed by Gx interface and the merging of Gy interface with the interface that the interior strategy of consolidated network is connected with charge execution function;
Contain in the home network between the network entity that contains tactful and charging rule functions and Online Charging System in strategy and the network entity of charging rule functions and Online Charging System and the visited network and be connected by the 4th interface.
5. mobile communication system according to claim 1 is characterized in that, described the 4th interface is based on realizing with one of lower interface or its combination in any:
Gx interface, Rx interface and based on the Gx interface of Gy.
6. according to each described mobile communication system in the claim 1 to 5, it is characterized in that described first interface or the 4th interface information transmitted comprise one of following or its combination in any:
Be used for strategy and the application function information of the control of chargeing, be used for determining to charge relevant information, trigger event information, online charging relevant information, application function charging identifier, IP quality of service information, the description of application function door, contract specification library information, loaded state, traffic identifier and service fail cause information.
7. the method for a roaming user equipment use attaching network application function service is characterized in that, comprises following steps:
When the user equipment requests roamed in visited network is used application function in the home network professional, in the visited network strategy and charging rule functions by with home network in strategy and charging rule functions mutual, according to the ability of the CAMEL-Subscription-Information of described subscriber equipment, visited network with preset strategic decision-making and whether allow described subscriber equipment to use described business, if then determine corresponding strategy and charging regulation and carry out strategy and the control of chargeing, otherwise refuse of the request of described subscriber equipment to described business.
8. roaming user equipment according to claim 7 uses the method for attaching network application function service, it is characterized in that, in the described visited network in strategy and charging rule functions and the home network strategy with the mutual of charging rule functions with make a strategic decision and specifically comprise following substep:
Whether strategy allows described subscriber equipment to use described business with charging rule functions according to the ability of visited network and local policy decision in the visited network, if then in home network strategy send a request message with charging rule functions; Otherwise refuse of the request of described subscriber equipment to described business;
After strategy is received described request message with charging rule functions in the home network, whether decision-making allows to use described business according to the CAMEL-Subscription-Information of described subscriber equipment, and with the result of decision or/and corresponding information respond to strategy in the visited network and charging rule functions.
9. roaming user equipment according to claim 7 uses the method for attaching network application function service, it is characterized in that, in the described visited network in strategy and charging rule functions and the home network strategy with the mutual of charging rule functions with make a strategic decision and specifically comprise following substep:
Strategy sends a request message with charging rule functions with charging rule functions strategy in home network in the visited network;
After strategy is received described request message with charging rule functions in the home network, make a strategic decision whether allow to use described business, and the result of decision or corresponding information are responded to strategy in the visited network and charging rule functions according to the CAMEL-Subscription-Information of described subscriber equipment;
If strategy receives that with charging rule functions strategy agrees that with charging rule functions described subscriber equipment uses the result of decision or the corresponding information of described business in the home network in the visited network, then further whether allow described subscriber equipment to use described business according to the ability of visited network and local policy decision, if then determine corresponding strategy and charging regulation and carry out strategy and the control of chargeing, otherwise refuse of the request of described subscriber equipment to described business.
10. roaming user equipment according to claim 7 uses the method for attaching network application function service, it is characterized in that, if the described professional online charging mode that adopts then also comprises following steps when chargeing:
Strategy sends message with charging rule functions strategy in visited network with charge execution function in the visited network, wherein comprises the address of Online Charging System in the home network of described subscriber equipment;
Strategy is connected to Online Charging System in the visited network with charge execution function in the visited network, and according to the address of Online Charging System in the home network of receiving, by the Online Charging System Apply Charging credit in home network of Online Charging System in this visited network;
Online Charging System carries out online charging according to the charging credit of applying for to described business in the visited network.
11. roaming user equipment according to claim 10 uses the method for attaching network application function service, it is characterized in that strategy is connected to Online Charging System in the visited network with charge execution function by address that sets in advance or the address that is provided by strategy and charging rule functions in the visited network in the visited network.
12. roaming user equipment according to claim 7 uses the method for attaching network application function service, it is characterized in that, strategy sends message with charging rule functions strategy in visited network with charge execution function in the visited network, wherein comprises the address of Online Charging System in the visited network;
Strategy and charge execution function are connected to Online Charging System in the visited network according to the address of Online Charging System in the visited network of receiving in the visited network, and by Online Charging System Online Charging System Apply Charging credit in home network in this visited network; Wherein, Online Charging System strategy and charging rule functions from visited network obtains the address of Online Charging System in the home network in the described visited network;
Online Charging System carries out online charging according to the charging credit of applying for to described business in the visited network.
13. use the method for attaching network application function service according to each described roaming user equipment in the claim 10 to 12, it is characterized in that, in the described visited network in strategy and charging rule functions and the home network between strategy and the charging rule functions mutual information comprise one of following or its combination in any:
Be used for strategy and the application function information of the control of chargeing, be used for determining to charge relevant information, trigger event information, online charging relevant information, application function charging identifier, IP quality of service information, the description of application function door, contract specification library information, loaded state, traffic identifier and service fail cause information.
14. roaming user equipment according to claim 13 uses the method for attaching network application function service, it is characterized in that, the described relevant information that is used for determining to charge comprises one of following or its combination in any:
Online charging or offline charging mode are indicated, Charging Detail Record unit indication, Online Charging System and off-line accounting system address information, the information of determining the charging key, visited network sign, visited network entity IP address and service identification or application function application identities.
15. roaming user equipment according to claim 13 uses the method for attaching network application function service, it is characterized in that, describedly is used for strategy and the application function information of the control of chargeing comprises one of following or its combination in any:
Filter information, quality of service information, medium type and medium composition.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100065266A CN101001402B (en) | 2006-01-10 | 2006-01-10 | Mobile communication system and method of using attaching network application function service |
| PCT/CN2007/000085 WO2007079682A1 (en) | 2006-01-10 | 2007-01-10 | A method and system using the policy and charging control of the application function service |
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| CN2006100065266A CN101001402B (en) | 2006-01-10 | 2006-01-10 | Mobile communication system and method of using attaching network application function service |
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| CN101001402A true CN101001402A (en) | 2007-07-18 |
| CN101001402B CN101001402B (en) | 2010-10-06 |
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| CN2006100065266A Expired - Fee Related CN101001402B (en) | 2006-01-10 | 2006-01-10 | Mobile communication system and method of using attaching network application function service |
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| CN101257393B (en) * | 2008-04-16 | 2011-08-24 | 中兴通讯股份有限公司 | Policy and charging control method and system for realizing PUSH mode |
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| WO2005004456A1 (en) * | 2003-06-18 | 2005-01-13 | Telefonaktiebolaget Lm Ericsson (Publ) | Online charging in mobile networks |
| CN100546248C (en) * | 2004-04-16 | 2009-09-30 | 华为技术有限公司 | A kind of method that realizes Packet data service charging and control service access |
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| CN101730103A (en) * | 2009-06-24 | 2010-06-09 | 中兴通讯股份有限公司 | Resource and admission control method |
| CN102625272A (en) * | 2011-01-31 | 2012-08-01 | 中兴通讯股份有限公司 | Usage monitoring method supporting traffic detection function and usage monitoring system |
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