CN101729265A - Method, device and system for charging in evolved packet system (EPS) - Google Patents
Method, device and system for charging in evolved packet system (EPS) Download PDFInfo
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Abstract
The embodiment of the invention discloses a method, a device and a system for charging in an evolved packet system (EPS). The method provided by the embodiment of the invention comprises the following steps: PDN-GW counts the SDF information of service data streams with the same QCI; the PDN-GW sends a charging request message to a charging device, wherein the charging request message carries the SDF information; and the PDN-GW receives a request response message which is returned by the charging device, wherein the request response message carries the result of charging the SDF information by the charging device. Under the network using the PMIP protocol, the PDN-GW can acquire the carrying information of the service data streams, and when the switching process is carried out between the network using the GTP protocol and the network using the PMIP protocol, the consistency of the charging mode can be ensured, thereby being capable of providing comprehensive support for operators to carry out service operation based on multiple operation charging modes.
Description
Technical field
The present invention relates to communication technique field, particularly relate to the methods, devices and systems that charge in a kind of grouping system (EPS, Evolved Packet System) in evolution.
Background technology
In the grouping system EPS of evolution, user terminal (UE) and gateway (S-GW, ServingGateway) interface definition is the S1 interface, S-GW and grouped data network gateway (PDN-GW, Packet DataNetwork Gateway) interface definition is the S5/S8 interface, EPS carrying (EPS Bearer) provides external packet data network (PDN, Packet Data Network) Connection Service.In order to support the access of multiple network, on the S5/S8 interface, support two kinds of different mobile IP agent agreements: GPRS Tunnel Protocol (GTP, GPRS Tunneling Protocol) and proxy mobile IP protocol (PMIP, Proxy Mobile IP).
When the S5/S8 interface adopts the GTP agreement, between UE and S-GW, set up the S1 bearer path, set up the S5/S8 bearer path between S-GW and the PDN-GW, wherein, the S1 carrying is one to one with the S5/S8 carrying, unified carrying reservation mode can be adopted, therefore, a SDF polymerization between an EPS carrying unique identification UE and the PDN-GW can be used.
When the S5/S8 interface adopted the PMIP agreement, the bearer path that UE sets up between S-GW (S1 bearer path) was identical when adopting the GTP agreement, sets up IP transmission connection (IPTransport Leg) between S-GW and the PDN-GW.Because the IP transmission connects with the S1 carrying and does not have corresponding relation, so PDN-GW can't learn the S1 beared information; At this moment, the IP transmission of setting up between S-GW and the PDN-GW connects with the S1 carrying provides outside PDN Connection Service jointly, a SDF polymerization between an EPS carrying unique identification UE and the S-GW can only be used, and the SDF polymerization between an EPS carrying unique identification S-GW and the PDN-GW can't be used.
In existing EPS, there are two kinds of patterns in PDN-GW to the method that bearer network charges: (1) is based on the charging of IP connection session; (2) based on the charging of business data flow SDF.Under the GTP protocol network, can also there be the third charge mode in PDN-GW: based on the charging of EPS carrying, and these three kinds of from coarse to fine being followed successively by of charging way: based on the charging of IP connection session, based on the charging of EPS Bearer with based on the charging of business data flow SDF.
In realizing process of the present invention, the inventor finds that there is following problem at least in the method for chargeing in existing EPS: under the PMIP protocol network, PDN-GW can not charge based on the EPS bearing mode, cause operator can't be from coarse to fine according to the control of chargeing of charging granularity, when the user was switched between the network of employing GTP agreement and PMIP agreement, operator can't guarantee the consistency of charge mode in handoff procedure.
Summary of the invention
In view of this, be necessary to propose a kind of methods, devices and systems that in the grouping system EPS of evolution, charge, make under the PMIP protocol network operator can be from coarse to fine according to the control of chargeing of charging granularity, when between employing GTP agreement and PMIP protocol network, switching, can guarantee the consistency of charge mode.
A kind of method of chargeing in the grouping system EPS of evolution comprises:
Grouped data network gateway PDN-GW statistics has the business data flow SDF information of same services quality scale sign QCI;
Described PDN-GW sends charging request message to message accounting, carries described SDF information in the described charging request message;
Described PDN-GW receives the request response that message accounting returns, and the described request response message carries the result that message accounting charges to described SDF information.
A kind of method of chargeing in the grouping system EPS of evolution comprises:
The charging request message that message accounting receiving block data network gateway PDN-GW sends is carried the SDF information based on identical QCI in the described charging request message;
Described message accounting charges to described SDF information;
Described message accounting returns the charging request response to PDN-GW, and the described request response message carries the result that described SDF information is chargeed.
A kind of grouped data network gateway PDN-GW comprises:
SDF Information Statistics unit is used to add up the business data flow SDF information with identical QCI;
The charging request transmitting unit is used for sending charging request message to message accounting, carries described SDF information in the described charging request message;
Chargeing responds receiving element, is used to receive the request response that message accounting returns, and the described request response message carries the charge information that described message accounting carries out described SDF information.
A kind of message accounting comprises:
Charge and ask receiving element, be used to receive the charging request message that PDN-GW sends, carry SDF information in the described charging request message based on identical QCI;
Charging Detail Record unit is used for described SDF information is chargeed;
Chargeing responds transmitting element, is used for returning the charging request response to PDN-GW, and the described request response message carries the result that described SDF information is chargeed.
A kind of system that charges in the grouping system EPS of evolution comprises:
Grouped data network gateway is used to add up the business data flow SDF information with identical QCI; Send charging request message to message accounting, carry SDF information in the described charging request message based on identical QCI; Receive the request response that message accounting returns, the described request response message carries the result that described message accounting charges to described SDF information;
Message accounting is used for the charging request message that the receiving block data network gateway sends, and carries the SDF information based on identical QCI in the described charging request message; Described SDF information is chargeed; Return the charging request response to grouped data network gateway, the result that described charging request response is chargeed to described SDF information.
By the technical scheme of the embodiment of the invention as can be known, have the SDF information of identical QCI, send charging request message, in this charging request message, carry SDF information based on identical QCI to message accounting by statistics; By message accounting described SDF information is chargeed, return the charging request response to PDN-GW, this request response is carried the result that described message accounting charges to described SDF information, constitute a SDF polymerization owing to have the SDF information of identical QCI, the corresponding EPS carrying of this SDF polymerization, therefore, by chargeing based on identical QCI, make PDN-GW under the PMIP protocol network can know the beared information of business data flow, make operator can carry out the charging control of each granularity to bearer network, when the user is switched, can guarantee the consistency of charge mode in handoff procedure between the network of employing GTP agreement and PMIP agreement.
Description of drawings
The flow chart of a kind of method of in EPS, chargeing that Fig. 1 provides for the embodiment of the invention one;
The flow chart of a kind of method of in EPS, chargeing that Fig. 2 provides for the embodiment of the invention two;
The flow chart of a kind of method of in EPS, chargeing that Fig. 3 provides for the embodiment of the invention three;
The method flow diagram that PDN-GW charges based on identical QCI under the GTP protocol network that Fig. 4 provides for the embodiment of the invention four;
The method flow diagram that PDN-GW charges based on identical QCI under the PMIP protocol network that Fig. 5 provides for the embodiment of the invention five;
Fig. 6 for the embodiment of the invention six provide when the GTP protocol network switches to the PMIP protocol network, the method flow diagram that PDN-GW charges based on identical QCI;
A kind of grouped data network gateway structural representation that Fig. 7 provides for the embodiment of the invention seven;
The structural representation of a kind of message accounting that Fig. 8 provides for the embodiment of the invention eight;
A kind of system configuration schematic diagram that in EPS, charges that Fig. 9 provides for the embodiment of the invention nine.
Embodiment
Below in conjunction with accompanying drawing the technical scheme that the embodiment of the invention provides is described in further detail.
Gateway entity among the grouping system EPS of evolution, for example gateway S-GW, grouped data network gateway PDN-GW etc., after enabling based on the flow based charging function, can be according to different business data flow (SDF, ServiceData Flow) attribute, same carrying (Bearer) data packets transmitted is filtered, obtain the data flow of specific transactions, and carry out charging control based on stream.
The corresponding a kind of service quality (QoS of each SDF, Quality of Service) rank (QCI, QoS Class Identifier), insert in the session at same IP, a plurality of SDF with identical QCI are called as a SDF polymerization (SDF Aggregate), the corresponding EPS carrying of each SDF polymerization.
Embodiment one
Referring to Fig. 1, the flow chart of a kind of method of chargeing in EPS that Fig. 1 provides for the embodiment of the invention one comprises:
Because each SDF is unique corresponding with a QCI, the SDF information with identical QCI constitutes a SDF polymerization, the corresponding EPS carrying of this SDF polymerization.Therefore, under the GTP protocol network, this step comprises: PDN-GW adds up the SDF aggregation information in each EPS carrying.Concrete, under the GTP protocol network, the SDF information that PDN-GW will belong to identical EPS carrying extracts, obtain various charging relevant informations that the need of all SDF data flow wherein charge as flow, duration, service identification etc., simultaneously because all SDF data flow by EPS carrying classification, report message accounting so PDN-GW only needs to belong to the charge information that the needs of the SDF of same EPS carrying charge.
Under the PMIP protocol network, this step comprises: PDN-GW adds up the SDF aggregation information that the SDF information with identical QCI constitutes.At this moment, the SDF data stream separation that PDN-GW needs oneself to belong to identical QCI information is come out, and adds up the charging relevant information that it need charge respectively, and reports message accounting.
If switch mutually between GTP protocol network and PMIP protocol network, this step also comprises:
PDN-GW carries out the switching of statistical model to the SDF information with identical QCI, for example: at the GTP protocol network when the PMIP protocol network switches, the pattern that PDN-GW is added up by the SDF aggregation information that the mode switch that the SDF aggregation information in each EPS carrying is added up constitutes the SDF information with identical QCI to PDN-GW.Particularly, in the GTP protocol network, PDN-GW has the SDF information of identical QCI according to EPS bearing identification statistics; When switching to the PMIP protocol network by the GTP protocol network, the PDN-GW statistics has the SDF information of identical QCI.
Described SDF information based on identical QCI is a SDF aggregation information.
The method of chargeing in EPS that the embodiment of the invention provides has the SDF information of identical QCI by the PDN-GW statistics, sends charging request message to message accounting, and the SDF information that will be had identical QCI by message accounting is unified to charge; Constitute a SDF polymerization owing to have the SDF information of identical QCI, this SDF polymerization corresponds to an EPS carrying, therefore, by chargeing based on identical QCI, make PDN-GW under the PMIP protocol network can know the beared information of business data flow, thereby operator controls the charging that bearer network can be carried out each granularity, when the user is switched between employing GTP agreement and PMIP protocol network, can guarantee the consistency of charge mode in handoff procedure.
Embodiment two
Referring to Fig. 2, a kind of method of chargeing in EPS that the embodiment of the invention two provides comprises:
Described SDF information based on identical QCI is a SDF aggregation information.
This message accounting can be on-line charge system (OCS/OFCS, Online/OfflineCharging System), and message accounting is unified to charge based on QCI.By policy control and charging (PCC, Policy Control and Charging) PCC rule (rule) is set, the data flow that belongs to identical QCI is carried out the charge information statistics, the SDF aggregation information that will have identical QCI is unified to charge.Under the EPS system, PCC comprises strategy and charging regulation function entity (PCRF, Policy and Charging RulesFunction) and strategy and charging regulation execution entity (PCEF, Policy and Charging EnforcementFunction).
The process of chargeing comprises: described SDF information is carried out wholesale price to message accounting and credit is reserved control.
The method of in EPS, chargeing that the embodiment of the invention provides, receive the charging request message that PDN-GW sends by message accounting, in this charging request message, carry SDF information based on identical QCI, constitute a SDF polymerization owing to have the SDF information of identical QCI, this SDF polymerization corresponds to an EPS carrying, therefore, message accounting is unified to charge to SDF information based on identical QCI, thereby operator can carry out the charging control of each granularity to bearer network.
Embodiment three
Referring to Fig. 3, a kind of method of chargeing in EPS that the embodiment of the invention three provides comprises:
Because each SDF is unique corresponding with a QCI, SDF information with identical QCI constitutes a SDF polymerization, the corresponding EPS carrying of this SDF polymerization, therefore, under the GTP protocol network, this step comprises: PDN-GW adds up the SDF aggregation information in each EPS carrying; Under the PMIP protocol network, this step comprises: PDN-GW adds up the SDF aggregation information that the SDF information with identical QCI constitutes.Under the GTP protocol network or under the PMIP protocol network, that describes among the process how PDN-GW obtains SDF information and the embodiment one is identical, does not repeat them here.
If switch mutually between GTP protocol network and PMIP protocol network, this step also comprises:
PDN-GW carries out the switching of statistical model to the SDF information with identical QCI, for example: at the GTP protocol network when the PMIP protocol network switches, the pattern that PDN-GW is added up by the SDF aggregation information that the mode switch that the SDF aggregation information in each EPS carrying is added up constitutes the SDF information with identical QCI to PDN-GW.Particularly, in the GTP protocol network, PDN-GW has the SDF information of identical QCI according to EPS bearing identification statistics; When switching to the PMIP protocol network by the GTP protocol network, the PDN-GW statistics has the SDF information of identical QCI.
The process of chargeing comprises: described SDF information is carried out wholesale price to message accounting and credit is reserved control.
The method of in EPS, chargeing that the embodiment of the invention provides, has the SDF information of identical QCI by the PDN-GW statistics, send charging request message to message accounting, the SDF information that will be had identical QCI by message accounting is unified to charge, and the result that will charge returns to PDN-GW; Constitute a SDF polymerization owing to have the SDF information of identical QCI, this SDF polymerization corresponds to an EPS carrying, therefore, by chargeing based on identical QCI, make PDN-GW under the PMIP protocol network can know the beared information of business data flow, thereby operator controls the charging that bearer network can be carried out each granularity, when the user is switched between employing GTP agreement and PMIP protocol network, can guarantee the consistency of charge mode in handoff procedure.
Embodiment four
Referring to Fig. 4, the method flow diagram that PDN-GW charges based on identical QCI under the GTP protocol network that Fig. 4 provides for the embodiment of the invention four.
Step 401, UE sends professional 1 request message to S-GW, and this business 1 request message carries the levels of quality of service sign QCI 1 of UE and PDN-GW negotiation.
Step 402, S-GW transmits this business 1 request message to PDN-GW.
Step 403, according to the QoS rank sign QCI 1 that PDN-GW and UE consult, PDN-GW creates the EPS carrying EPS Bearer 1 based on QCI 1.
SDF aggregation information between this EPS Bearer 1 unique identification UE and the PDN-GW based on identical QCI 1.
Step 404～405, PDN-GW returns professional 1 request response by S-GW to UE, carries EPS Bearer 1 information based on QCI 1 that PDN-GW creates in described professional 1 request response.
Step 406 according to professional 1 request response, is set up EPS Bearer 1 bearer path based on QCI 1 between PDN-GW and the UE, begin professional 1 transfer of data.
Step 407, UE sends professional 2 request messages to S-GW, and these business 2 request messages carry the levels of quality of service sign QCI 2 of UE and PDN-GW negotiation.
Step 408, S-GW transmits this business 2 request messages to PDN-GW.
Step 409, according to the QoS rank sign QCI 2 that PDN-GW and UE consult, PDN-GW creates the EPS carrying EPS Bearer 2 based on QCI 2.
SDF aggregation information between these EPS Bearer 2 unique identification UE and the PDN-GW based on identical QCI 2.
Step 410～411, PDN-GW returns professional 2 request response by S-GW to UE, carries EPS Bearer 2 information based on QCI 2 that PDN-GW creates in described professional 2 request response.
Step 412 according to professional 2 request response, is set up EPS Bearer 2 bearer path based on QCI 2 between PDN-GW and the UE, begin professional 2 transfer of data.
Step 413, UE sends professional 3 request messages to S-GW, and professional 3 and professional 1 uses identical levels of quality of service sign QCI 1, and these business 3 request messages carry the levels of quality of service sign QCI 1 of UE and PDN-GW negotiation.
Step 414, S-GW transmits this business 3 request messages to PDN-GW.
Step 415, according to the QoS rank sign QCI 1 that PDN-GW and UE consult, PDN-GW reuses the EPS carrying EPS Bearer 1 based on QCI 1.
Step 416～417, PDN-GW returns professional 3 request response by S-GW to UE, carries EPS Bearer 1 information based on QCI 1 that PDN-GW reuses in described professional 3 request response.
Step 418 according to professional 3 request response, is reused EPS Bearer 1 bearer path based on QCI 1 between PDN-GW and the UE, begin professional 3 transfer of data.
Step 419, UE sends professional 4 request messages to S-GW, and professional 4 and professional 2 use identical levels of quality of service sign QCI 2, and these business 4 request messages carry the levels of quality of service sign QCI 2 of UE and PDN-GW negotiation.
Step 420, S-GW transmits this business 4 request messages to PDN-GW.
Step 421, according to the QoS rank sign QCI 2 that PDN-GW and UE consult, PDN-GW reuses the EPS carrying EPS Bearer 2 based on QCI 2.
Step 422～423, PDN-GW returns professional 4 request response by S-GW to UE, carries EPS Bearer 2 information based on QCI 2 that PDN-GW reuses in described professional 4 request response.
Step 424 according to professional 4 request response, is reused EPS Bearer 2 bearer path based on QCI 2 between PDN-GW and the UE, begin professional 4 transfer of data.
Step 425, the PDN-GW control of chargeing, statistics has the SDF aggregation information of identical QCI.
The unique corresponding EPS carrying of SDF aggregation information with identical QCI, under the GTP protocol network, PDN-GW adds up the SDF aggregation information in each EPS carrying, promptly add up business 1 and professional 3 SDF aggregation information, the business 2 among the statistics EPS Bearer 2 and the SDF aggregation information of business 4 among the EPS Bearer 1.Description is identical among the process of PDN-GW statistics SDF aggregation information and the embodiment one, does not repeat them here.
Step 426, PDN-GW sends charging request message to message accounting, carries the SDF aggregation information based on QCI 1 in the described charging request message.
Step 427, message accounting charges to the SDF aggregation information based on QCI 1.
This charging comprises carries out wholesale price and credit reservation control to described SDF aggregation information based on QCI 1.
Step 428, the charging request response of chargeing based on 1 pair of SDF aggregation information of QCI that PDN-GW receives that message accounting returns.
Comprise the result who charges to based on the SDF aggregation information of QCI 1 in this charging request response.
Step 429, PDN-GW sends charging request message to message accounting, carries the SDF aggregation information based on QCI 2 in the described charging request message;
Step 430, message accounting charges to the SDF aggregation information based on QCI 2.
This charging comprises carries out wholesale price and credit reservation control to described SDF aggregation information based on QCI 2.
Step 431, the charging request response of chargeing based on 2 pairs of SDF aggregation information of QCI that PDN-GW receives that message accounting returns.
Comprise the result who charges to based on the SDF aggregation information of QCI 2 in this charging request response.
In the specific embodiment of the invention, by introducing the method for the SDF aggregation information being chargeed based on identical QCI, because a SDF aggregation information corresponds to an EPS carrying, therefore, employing unifies to charge to SDF based on identical QCI, just is equal to the charging based on the EPS carrying under the GTP protocol network.
Embodiment five
Referring to Fig. 5, the method flow diagram that PDN-GW charges based on QCI under the PMIP protocol network that Fig. 5 provides for the embodiment of the invention five.
Step 501, UE sends professional 1 request message to S-GW, and this business 1 request message carries the levels of quality of service sign QCI 1 of UE and PDN-GW negotiation.
Step 502, according to professional 1 request message, S-GW creates the EPS carrying EPS Bearer1 based on QCI 1.SDF aggregation information between this EPS Bearer 1 unique identification UE and the S-GW based on identical QCI 1.
Step 503 is transmitted professional 1 request message by S-GW to PDN-GW.
Step 504, PDN-GW returns professional 1 request response to S-GW.
According to professional 1 request message, PDN-GW can be based on the SDF aggregation information between identical QCI 1 statistics S-GW and the PDN-GW, and this SDF aggregation information is corresponding one by one with EPS Bearer 1.
Step 505, S-GW returns the service request response message to UE, carries EPS Bearer 1 information based on QCI 1 that S-GW creates in described professional 1 request response.
Step 506, according to professional 1 request response, professional 1 transfer of data of beginning between PDN-GW and the UE.
Because PDN-GW can be based on the SDF aggregation information between identical QCI 1 statistics S-GW and the PDN-GW, the EPS Bearer 1 that this SDF aggregation information and S-GW set up is corresponding one by one, so can be based on 1 pair of SDF aggregation information of identical QCI statistics of chargeing between UE and PDN-GW.
Step 507, UE sends professional 2 request messages to S-GW, and these business 2 request messages carry the levels of quality of service sign QCI 2 of UE and PDN-GW negotiation.
Step 508, according to professional 2 request messages, S-GW creates the EPS carrying EPS Bearer2 based on QCI 2.
SDF aggregation information between these EPS Bearer 2 unique identification UE and the S-GW based on identical QCI 2.
Step 509 is transmitted professional 2 request messages by S-GW to PDN-GW.
Step 510～511, PDN-GW returns professional 2 request response by S-GW to UE.
According to professional 2 request messages, PDN-GW can be based on the SDF aggregation information between identical QCI 2 statistics S-GW and the PDN-GW, and this SDF aggregation information is corresponding one by one with EPS Bearer 2.
Step 512, according to professional 2 request response, professional 2 transfer of data of beginning between PDN-GW and the UE.
Because PDN-GW can be based on the SDF aggregation information between identical QCI 2 statistics S-GW and the PDN-GW, the EPS Bearer 2 that this SDF aggregation information and S-GW set up is corresponding one by one, so can be based on 2 pairs of SDF aggregation information of identical QCI statistics of chargeing between UE and PDN-GW.
Step 513, UE sends professional 3 request messages to S-GW, and professional 3 and professional 1 uses identical levels of quality of service sign QCI 1, and these business 3 request messages carry the levels of quality of service sign QCI 1 of UE and PDN-GW negotiation.
Step 514, according to professional 3 request messages, S-GW reuses the EPS carrying EPS Bearer1 based on QCI 1.
Step 515 is transmitted professional 3 request messages by S-GW to PDN-GW.
Step 516～517, PDN-GW returns professional 3 request response by S-GW to UE.
Step 518, according to professional 3 request response, professional 3 transfer of data of beginning between PDN-GW and the UE.
By above operation, PDN-GW can be based on business 1 between identical QCI 1 statistics S-GW and the PDN-GW and professional 3 SDF aggregation information, the EPS Bearer 1 that this SDF aggregation information and S-GW set up is corresponding one by one, so can be based on 1 pair of SDF aggregation information of identical QCI statistics of chargeing between UE and PDN-GW.
Step 519, UE sends professional 4 request messages to S-GW, and professional 4 and professional 2 use identical levels of quality of service sign QCI 2, and these business 4 request messages carry the levels of quality of service sign QCI 2 of UE and PDN-GW negotiation.
Step 520, according to professional 4 request messages, S-GW reuses the EPS carrying EPS Bearer2 based on QCI 2.
Step 521 is transmitted professional 4 request messages by S-GW to PDN-GW.
Step 522～523, PDN-GW returns professional 4 request response by S-GW to UE.
Step 524, according to professional 4 request response, professional 4 transfer of data of beginning between PDN-GW and the UE.
By above operation, PDN-GW can be based on business 2 between identical QCI 2 statistics S-GW and the PDN-GW and professional 4 SDF aggregation information, the EPS Bearer 2 that this SDF aggregation information and S-GW set up is corresponding one by one, so can be based on 2 pairs of SDF aggregation information of identical QCI statistics of chargeing between UE and PDN-GW.
Step 525, the PDN-GW control of chargeing, statistics has the SDF aggregation information of identical QCI.
Under the PMIP protocol network, PDN-GW is respectively based on the SDF aggregation information of identical QCI 1 statistical service 1 and professional 3, based on the SDF aggregation information of identical QCI 2 statistical services 2 and professional 4.Owing to have the unique corresponding EPS carrying of the SDF aggregation information of identical QCI, therefore PDN-GW has been equivalent to know the beared information of business data flow under the PMIP protocol network.Description is identical among the detailed process of PDN-GW statistics SDF aggregation information and the embodiment one, does not repeat them here.
Step 526, PDN-GW sends charging request message to message accounting, carries the SDF aggregation information based on QCI 1 in the described charging request message.
Step 527, message accounting charges to the SDF aggregation information based on QCI 1.
This charging comprises carries out wholesale price and credit reservation control to described SDF aggregation information based on QCI 1.
Step 528, the charging request response of chargeing based on 1 pair of SDF aggregation information of QCI that PDN-GW receives that message accounting returns.
Comprise the result who charges to based on the SDF aggregation information of QCI 1 in this charging request response.
Step 529, PDN-GW sends charging request message to message accounting, carries the SDF aggregation information based on QCI 2 in the described charging request message.
Step 530, message accounting charges to the SDF aggregation information based on QCI 2.
This charging comprises carries out wholesale price and credit reservation control to described SDF aggregation information based on QCI 2.
Step 531, the charging request response of chargeing based on 2 pairs of SDF aggregation information of QCI that PDN-GW receives that message accounting returns.
Comprise the result who charges to based on the SDF aggregation information of QCI 2 in this charging request response.
In the specific embodiment of the invention, by introducing the method for the SDF aggregation information being chargeed based on identical QCI, because a SDF aggregation information corresponds to an EPS carrying, therefore, employing unifies to charge to SDF based on identical QCI, make PDN-GW under the PMIP protocol network be equivalent to know the beared information of business data flow, make operator can carry out the charging control of each granularity to bearer network.
Embodiment six
Referring to Fig. 6, Fig. 6 for the embodiment of the invention six provide when the GTP protocol network switches to the PMIP protocol network, the method flow diagram that PDN-GW charges based on QCI.
Step 601, UE sends business request information to S-GW, and this business request information is carried the levels of quality of service sign QCI 1 of UE and PDN-GW negotiation.
Step 603, according to the QoS rank sign QCI 1 that PDN-GW and UE consult, PDN-GW creates the EPS carrying EPS Bearer 1 based on QCI 1.
SDF aggregation information between this EPS Bearer 1 unique identification UE and the PDN-GW based on identical QCI 1.
Step 604～605, PDN-GW returns the service request response message by S-GW to UE, carries EPS Bearer 1 information based on QCI 1 that PDN-GW creates in the described service request response message.
Step 606 according to the service request response message, is set up EPSBearer 1 bearer path based on QCI 1, the beginning business data transmission between PDN-GW and the UE.
Step 607, the PDN-GW control of chargeing, the business data flow SDF information of adding up identical QCI 1.
Have the corresponding EPS Bearer 1 of business data flow SDF information of identical QCI 1, under the GTP protocol network, promptly the SDF aggregation information among the EPS Bearer 1 is added up by PDN-GW.
Step 608, PDN-GW sends charging request message to message accounting, carries the SDF information based on QCI 1 in the described charging request message.
Step 609, message accounting charges to the SDF aggregation information based on QCI 1.
This charging comprises carries out wholesale price and credit reservation control to described SDF aggregation information based on QCI 1.
Step 610, the charging request response of chargeing based on 1 pair of SDF aggregation information of QCI that PDN-GW receives that message accounting returns.
Comprise the result who charges to based on the SDF aggregation information of QCI 1 in this charging request response.
Step 611, network switches, and adopts the PMIP protocol network from adopting the GTP protocol network to switch to.
At this moment, PDN-GW carries out the switching of statistical model to the SDF information with identical QCI.For example: at the GTP protocol network when the PMIP protocol network switches, the pattern that PDN-GW is added up by the SDF aggregation information that the mode switch that the SDF aggregation information in each EPS carrying is added up constitutes the SDF information with identical QCI to PDN-GW.
Need to prove, can occur in the opportunity that network switches charge system the SDF aggregation information is chargeed before, among or afterwards, can not have influence on the charge system side.In the present embodiment, network opportunity of switching be message accounting return charge based on 1 pair of SDF aggregation information of QCI after.
Step 612, UE initiates service request again to S-GW, and this business request information is carried the levels of quality of service sign QCI 1 of UE and PDN-GW negotiation.
Step 613 according to business request information, is reused the EPS carrying EPS Bearer 1 based on QCI 1 between S-GW and the UE.
At this moment, the SDF aggregation information between this EPS Bearer 1 unique identification UE and the S-GW based on identical QCI 1.
Step 614, S-GW transmits business request information to PDN-GW.
Step 615～616, PDN-GW returns the service request response message by S-GW to UE.
According to the business request information of transmitting, PDN-GW can be based on the SDF aggregation information between identical QCI 1 statistics S-GW and the PDN-GW, and this SDF aggregation information is corresponding one by one with EPS Bearer 1.
Step 617 according to the service request response message, begins business data transmission between PDN-GW and the UE.
By above operation, PDN-GW can add up SDF aggregation information between S-GW and the PDN-GW again based on identical QCI 1, the EPS Bearer 1 that this SDF aggregation information and S-GW set up is corresponding one by one, so can be based on 1 pair of SDF aggregation information of identical QCI statistics of chargeing between UE and PDN-GW.
Step 618, the PDN-GW control of chargeing, statistics has the SDF aggregation information of identical QCI 1.
Owing to have the unique corresponding EPS carrying of the SDF aggregation information of identical QCI, therefore PDN-GW has been equivalent to know the beared information of business data flow under the PMIP protocol network, and this beared information is EPS Bearer 1 information under the GTP protocol network.
Step 619, PDN-GW sends charging request message to message accounting, carries the SDF information based on QCI 1 in the described charging request message.
Step 620, message accounting charges to the SDF aggregation information based on QCI 1.
This charging comprises carries out wholesale price and credit reservation control to described SDF aggregation information based on QCI 1.
Step 621, the charging request response of chargeing based on 1 pair of SDF information of QCI that PDN-GW receives that message accounting returns.
Comprise the result who charges to based on the SDF aggregation information of QCI 1 in this charging request response.
In the specific embodiment of the invention, by introducing the method for the SDF aggregation information being chargeed based on identical QCI, because a SDF aggregation information corresponds to an EPS carrying, therefore, employing unifies to charge to SDF based on identical QCI, make PDN-GW under the PMIP protocol network be equivalent to know the beared information of business data flow, make operator can carry out the charging control of each granularity to bearer network, when the user is switched, can guarantee the consistency of charge mode in handoff procedure between employing GTP agreement and PMIP protocol network.
Below, the framework of charging request message ACR in the embodiment of the invention and charging request response ACA is done an explanation:
<ACR>::＝<Diameter?Header：272，REQ，PXY>
＜Session-Id〉// session identification
{ Origin-Host} // source host address
{ Origin-Realm} // source domain name
{ Destination-Realm} // target domain name
{ Auth-Application-Id} // authentication application sign
{ Service-Context-Id} // service context sign
{ CC-Request-Type} // credit control request type
{ CC-Request-Number} // credit control request numbering
[Destination-Host] // destination host address
[User-Name] // user name
[Origin-State-Id] // initial condition sign
[Event-Timestamp] // Event Timestamp
* [Subscription-Id] // order sign
[Termination-Cause] // termination reason
[Requested-Action] // request action
[Multiple-Services-Indicator] // multi-service sign
* [Multiple-Services-Credit-Control] // multi-service credit control
[User-Equipment-Info] // user equipment information
* [Proxy-Info] // proxy information
* [Route-Record] // route record
[Service-Information] // business information
* [AVP] // user spreading parameter value
<ACA>::＝<Diameter?Header：272，PXY>
＜Session-Id〉// session identification
{ Result-Code} // result code
{ Origin-Host} // source host address
{ Origin-Realm} // source domain name
{ Auth-Application-Id} // authentication application sign
{ CC-Request-Type} // credit control request type
{ CC-Request-Number} // credit control request numbering
[CC-Session-Failover] // credit control session mistake
* [Multiple-Services-Credit-Control] // multi-service credit control
[Cost-Information] // consumption information
[Credit-Control-Failure-Handling] // credit control fault processing
[Direct-Debiting-Failure-Handling] // directly fault processing of deducting fees
* [Redirect-Host] // redirect-host
[Redirect-Host-Usage] // redirect-host can be used
[Redirect-Max-Cache-Time] // be redirected the largest buffered time
* [Proxy-Info] // proxy information
* [Route-Record] // route record
* [Failed-AVP] // wrong parameter
[Service-Information] // business information
* [AVP] // user spreading parameter value
Newly-increased SAE Information in the Service-Information of ACR and ACA:
Service-Information::＝<AVP?Header：873>
[Subscription-Id] // order sign
[PS-Information] // packet switch domain information
[SAE-Information] //SAE information
[WLAN-Information] //WLAN information
[IMS-Information] //the IMS domain information
[MMS-Information] //the MMS business information
[LCS-Information] //the LCS business information
[PoC-Information] //PoC service information
[MBMS-Information] //the MBMS business information
[Service-Generic-Information] // general service information
The relevant charging parameter declaration of SAE sees Table 1:
Table 1:SAE-Information
| Field | Category | Description |
| SAE-Charging-ID | 0 C | The PDP Context sign is used for this PDP Context of different charge record sign that produces at PDN-GW |
| SAE-PDP-Type | 0 M | The PDP type, as: IP, PPP, or IHOSS:OSP |
| PDP-Address | 0 C | This field has been carried the pdp address (IPV4 or IPV6) of the IMSI that is served.Except when the PDP type is PPP and adopts under the situation of dynamic PDP addresses distribution that this field all should occur |
| SAE-Negotiated-QoS-Profile | 0 C | This field record is applied to the QCI information of PDN-GW. |
| Served-IMSI | M | The IMSI of service side |
| MME-Address | M | The address of sign MME |
| Serving GW-Address | M | The address of sign Serving GW |
| PDN GW-Address | M | The address of sign PDN-GW |
| EPDG-Address | 0 C | The address of sign ePDG |
| SAE-IMSI-MCC-MNC | 0 C | This field record parses from user's IMSI |
| MCC and MNC sign indicating number, (normally preceding 5 of IMSI or 6 bit digital) | ||
| SAE-PDN GW-MCC-MNC | 0 C | This field record the MCC-MNC sign indicating number of PDN-GW belonging network |
| SAE-NSAPI | 0 C | This field identification be created to the delete procedure the specific PDP Context relevant with PDN and MSISDN/IMSI from PDP |
| Called-Station-ID | 0 C | Access point (APN) sign that this record user is used |
| SAE-Session-Stop-Indicator | 0 C | Last PDP Context of this field record is released with PDP the OCS sign when session is released |
| Field | Category | Description |
| CG-Address | 0 C | The IP address of this field record charging gateway |
| SAE-Selection-Mode | Option has comprised: UE-only, UE/NW, NW-only | |
| 3GPP-Charging-Characteristics | 0 C | This field record the charging characteristic relevant that in PDP Context request to create message, receives with this PDP Context |
| Charging-Rule-Base-Name | 0 C | This field record be positioned at predefine PCC rule group name on the PCEF.This field can occur repeatedly in the PS-Information field |
| SAE-User-Location-Info | 0 C | Cell ID |
| SAE-RAT-Type | M | The sign wireless access technology can be: 3G 2G E-UTRAN WLAN |
| SAE-RAT-Handover-Time | 0 C | The time that record RAT switches |
By above-mentioned definition to charging request message and charging request response, in embodiments of the present invention, a plurality of professional PDN-GW gateway at certain user can send to message accounting respectively by many charging request message, is returned the result of charging to the PDN-GW gateway by many charging request response by message accounting.Certainly, the PDN-GW gateway also can be by writing the mode of a plurality of SAE-Negotiated-QoS-Profile fields a charging request message, to send to message accounting at the charging request of a plurality of business of certain user, at this moment, be not at each professional charge information of this user in the charge response message that message accounting returns, but can reflect this user is made as a whole charging result when treating, for example reflect whether this user the situation that Sorry, your ticket has not enough value etc. occurs.
Embodiment seven
Referring to Fig. 7, a kind of grouped data network gateway PDN-GW that the embodiment of the invention seven provides comprises SDF Information Statistics unit 710, charging request transmitting unit 720 and the response receiving element 730 that charges, wherein,
SDF Information Statistics unit 710 is used to add up the SDF information with identical QCI;
Described SDF Information Statistics unit 710 comprises:
GTP agreement statistical module 711 is used under the GTP protocol network SDF aggregation information of each EPS carrying being added up;
PMIP agreement statistical module 712, the SDF aggregation information that is used under the PMIP protocol network SDF information with identical QCI being constituted is added up.
When switching mutually between GTP protocol network and PMIP protocol network, described SDF Information Statistics unit 710 also comprises:
Statistical model handover module 713 is used to carry out the switching of described GTP agreement statistical module and described PMIP agreement statistical module.
Charging request transmitting unit 720 is used for sending charging request message to message accounting, carries described SDF information in the described charging request message;
Chargeing responds receiving element 730, is used to receive the request response that message accounting returns, and the described request response message carries the result that message accounting charges to described SDF information.
The PDN-GW that inventive embodiments provides has the SDF information of identical QCI by SDF Information Statistics unit 710 statistics, sends charging request message by charging request transmitting unit 720 to message accounting, carries described SDF information in the described charging request message; And return the result that message accounting charges to described SDF information to PDN-GW by the response receiving element 730 that charges.When between GTP protocol network and PMIP protocol network, switching mutually, carry out the switching of SDF Information Statistics pattern by statistical model handover module 713.Constitute a SDF polymerization owing to have the SDF information of identical QCI, this SDF polymerization corresponds to an EPS carrying, therefore, by chargeing based on identical QCI, make PDN-GW under the PMIP protocol network can know the beared information of business data flow, the charging that makes operator can carry out each granularity to bearer network is controlled, and when the user is switched between employing GTP agreement and PMIP protocol network, can guarantee the consistency of charge mode in handoff procedure.
Embodiment eight
Referring to Fig. 8, a kind of message accounting that the embodiment of the invention eight provides comprises:
Charge and ask receiving element 810, be used to receive the charging request message that PDN-GW sends, carry SDF information in the described charging request message based on identical QCI.
Charging Detail Record unit 820 is used for chargeing based on described SDF information.
This Charging Detail Record unit 820 also is used for described SDF information is carried out wholesale price and credit reservation control.
Chargeing responds transmitting element 830, is used for returning the charging request response to PDN-GW, and described charging request response is carried the result that described SDF information is chargeed.
The message accounting that the embodiment of the invention provides, request receiving element 810 receives the charging request message that PDN-GW sends by chargeing, carry SDF information in the described charging request message based on identical QCI, charge based on described SDF information by Charging Detail Record unit 820, and return the result that described SDF information is chargeed to PDN-GW by the response transmitting element 830 that charges.Constitute a SDF polymerization owing to have the SDF information of identical QCI, this SDF polymerization corresponds to an EPS carrying, therefore, message accounting is unified to charge to SDF information based on identical QCI, makes operator can carry out the charging control of each granularity to bearer network.
Embodiment nine
Referring to Fig. 9, a kind of system that charges in EPS that the embodiment of the invention provides comprises:
Grouped data network gateway 910 is used to add up the SDF information with identical QCI; Send charging request message to message accounting, carry SDF information in the described charging request message based on identical QCI; Receive the request response that message accounting returns, the described request response message carries the result that message accounting charges to described SDF information;
The system that charges in EPS that the embodiment of the invention provides has the SDF information of identical QCI by grouped data network gateway 910 statistics, sends charging request message to message accounting 920, carries described SDF information in this charging request message; Charge by 920 pairs of described SDF information of message accounting; Constitute a SDF polymerization owing to have the SDF information of identical QCI, this SDF polymerization corresponds to an EPSBearer, therefore, by chargeing based on identical QCI, make PDN-GW under the PMIP protocol network be equivalent to know the beared information of business data flow, the charging that makes operator can carry out each granularity to bearer network is controlled, and when the user is switched between employing GTP agreement and PMIP protocol network, can guarantee the consistency of charge mode in handoff procedure.Certainly, the grouped data network gateway 910 of the embodiment of the invention and the concrete structure of message accounting 920 can be distinguished the associated description of reference example seven and embodiment eight, do not repeat them here.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential hardware platform, can certainly all implement by hardware.Based on such understanding, all or part of can the embodying that technical scheme of the present invention contributes to background technology with the form of software product, this computer software product can be stored in the storage medium, as ROM/RAM, magnetic disc, CD etc., comprise that some instructions are with so that a computer equipment (can be a personal computer, server, the perhaps network equipment etc.) carry out the described method of some part of each embodiment of the present invention or embodiment.
More than the methods, devices and systems that charge in the grouping system EPS of evolution that the embodiment of the invention provided are described in detail, the explanation of embodiment just is used for help understanding method of the present invention and thought thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (13)
1. a method of chargeing in the grouping system EPS of evolution is characterized in that, comprising:
Grouped data network gateway PDN-GW statistics has the business data flow SDF information of same services quality scale sign QCI;
Described PDN-GW sends charging request message to message accounting, carries described SDF information in the described charging request message;
Described PDN-GW receives the request response that message accounting returns, and the described request response message carries the result that message accounting charges to described SDF information.
2. according to the method for the described charging of claim 1, it is characterized in that the step that described PDN-GW statistics has the SDF information of identical QCI comprises:
Under the GTP protocol network, PDN-GW adds up the SDF aggregation information in each EPS carrying.
3. according to the method for the described charging of claim 1, it is characterized in that the step that described PDN-GW statistics has the SDF aggregation information of identical QCI comprises:
Under the PMIP protocol network, PDN-GW adds up the SDF aggregation information that the SDF information with identical QCI constitutes.
4. according to the method for the described charging of claim 3, it is characterized in that the step that described PDN-GW carries out the switching of statistical model to the SDF information with identical QCI comprises:
In the GTP protocol network, PDN-GW has the SDF information of identical QCI according to EPS bearing identification statistics; When switching to the PMIP protocol network by the GTP protocol network, the PDN-GW statistics has the SDF information of identical QCI.
5. a method of chargeing in the grouping system EPS of evolution is characterized in that, comprising:
The charging request message that message accounting receiving block data network gateway PDN-GW sends is carried the SDF information based on identical QCI in the described charging request message;
Described message accounting charges to described SDF information;
Described message accounting returns the charging request response to PDN-GW, and the described request response message carries the result that described SDF information is chargeed.
6. according to the method for the described charging of claim 5, it is characterized in that the step that described message accounting charges to described SDF information comprises:
Described SDF information is carried out wholesale price to message accounting and credit is reserved control.
7. a grouped data network gateway PDN-GW is characterized in that, comprising:
SDF Information Statistics unit is used to add up the business data flow SDF information with identical QCI;
The charging request transmitting unit is used for sending charging request message to message accounting, carries described SDF information in the described charging request message;
Chargeing responds receiving element, is used to receive the request response that message accounting returns, and the described request response message carries the result that described message accounting charges to described SDF information.
8. PDN-GW according to claim 7 is characterized in that, described SDF Information Statistics unit comprises:
GTP agreement statistical module is used under the GTP protocol network SDF aggregation information of each EPS carrying being added up;
9. according to claim 7 or 8 described PDN-GW, it is characterized in that described SDF Information Statistics unit further comprises:
PMIP agreement statistical module, the SDF aggregation information that is used under the PMIP protocol network SDF information with identical QCI being constituted is added up.
10. PDN-GW according to claim 9 is characterized in that, when switching mutually between GTP protocol network and PMIP protocol network, described SDF Information Statistics unit also comprises:
The statistical model handover module is used to carry out the switching of described GTP agreement statistical module and described PMIP agreement statistical module.
11. a message accounting is characterized in that, comprising:
Charge and ask receiving element, be used to receive the charging request message that PDN-GW sends, carry SDF information in the described charging request message based on identical QCI;
Charging Detail Record unit is used for described SDF information is chargeed;
Chargeing responds transmitting element, is used for returning the charging request response to PDN-GW, and the described request response message carries the result that described SDF information is chargeed.
12. message accounting according to claim 11 is characterized in that,
Described Charging Detail Record unit also is used for described SDF information is carried out wholesale price and credit reservation control.
13. a system that charges in the grouping system EPS of evolution is characterized in that, comprising:
Grouped data network gateway is used to add up the SDF information with identical QCI; Send charging request message to message accounting, carry described SDF information in the described charging request message; Receive the request response that message accounting returns, the described request response message carries the result that message accounting charges to described SDF information;
Message accounting is used for the charging request message that the receiving block data network gateway sends, and carries the SDF information based on identical QCI in the described charging request message; Described SDF information is chargeed; Return the charging request response to grouped data network gateway, described charging request response is carried the result that described SDF information is chargeed.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012019506A1 (en) * | 2010-08-09 | 2012-02-16 | 中兴通讯股份有限公司 | Method and system for implementing resource control in a fixed network and mobile network integration scenario |
| CN105493533A (en) * | 2014-07-08 | 2016-04-13 | 华为技术有限公司 | Online charging method, gateway device and online charging device |
| CN112383405A (en) * | 2015-12-31 | 2021-02-19 | 华为技术有限公司 | Data service charging method, device and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN100490555C (en) * | 2006-04-17 | 2009-05-20 | 华为技术有限公司 | Method and application for obtaining beared information in mobile communication system |
| CN101127694B (en) * | 2006-08-18 | 2011-04-20 | 华为技术有限公司 | A system and method for implementing policy and billing control |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012019506A1 (en) * | 2010-08-09 | 2012-02-16 | 中兴通讯股份有限公司 | Method and system for implementing resource control in a fixed network and mobile network integration scenario |
| CN105493533A (en) * | 2014-07-08 | 2016-04-13 | 华为技术有限公司 | Online charging method, gateway device and online charging device |
| US10237709B2 (en) | 2014-07-08 | 2019-03-19 | Huawei Technologies Co., Ltd. | Online charging method, gateway device, and online charging device |
| CN105493533B (en) * | 2014-07-08 | 2020-02-14 | 华为技术有限公司 | Online charging method, gateway equipment and online charging equipment |
| CN112383405A (en) * | 2015-12-31 | 2021-02-19 | 华为技术有限公司 | Data service charging method, device and system |
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