CN101771988A - Packet switching domain charging ticket generating method and packet switching domain gateway equipment - Google Patents
Packet switching domain charging ticket generating method and packet switching domain gateway equipment Download PDFInfo
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Abstract
The invention discloses a packet switching domain charging ticket generating method and packet switching domain gateway equipment, which solve the problem that the traditional package switching domain network equipment supporting single radio access network can not generate access network type charging tickets. The charging ticket generating method comprises the following steps of: receiving session request sent by a service GPRS supporting node (SGSN) when an access user initiates the data service; when judging that the session request does not carry the radio access network type of the access user, inquiring the correspondingly relationship between the SGSN address and the radio access network according to the SGSN address, and determining the radio access network type of the access user; and when the session meets the charging ticket generation triggering condition, generating the charging ticket of the access user, and reporting, wherein the determined radio access network type is carried out. The invention can generate the charging ticket of the radio access network type without modifying the traditional packet switching domain network equipment supporting single radio access network.
Description
Technical field
The present invention relates to moving communicating field, relate in particular to the charging bill generation technique in a kind of packet domain.
Background technology
The charge system network architecture in the existing mobile communication system packet domain as shown in Figure 1, the user is when initiating data service, by RAN (Radio Access Network, wireless access network) inserts GPRS (GeneralPacket Radio Service, GPRS) SGSN of backbone network (Service GPRSSupport Node, Serving GPRS Support Node); SGSN and GGSN (Gateway GPRS SupportNode, Gateway GPRS Support Node) links to each other, GGSN can provide the content charging function, promptly the flow based on data service charges, GGSN can generate charging bill according to the flow information of data service that the user initiates, GGSN sends to CG (Charging Gateway, charging gateway) equipment with the charging bill that generates; Each charging bill that CG equipment will receive preserve and preliminary treatment such as merging after generate the flow ticket and send to BOSS (Business Operation Support System, business operation support system); BOSS is according to the processing of chargeing of flow ticket, and the cost of use of deduction data service is realized billing function in user account.
For single wireless access network, above-mentioned charging way can realize normal billing function.Continuous development along with mobile communication technology, 2G (second generation mobile communication system, gsm system for example) and 3G (3-G (Generation Three mobile communication system), TD-SCDMA system for example) network exists simultaneously and merges day by day, user's wireless access network no longer adopts single type, the charging bill that GGSN produces can't be distinguished the wireless access network type, also just can't realize distinguishing the billing function of wireless access network type.
At above-mentioned situation, a solution is provided in the prior art, in the 2G/3G UNE, SGSN (Service GPRS Support Node to CG equipment and support 2G/3G business, service universal grouping wireless business supporting node), GGSN upgrades, do not upgrade to only supporting 2G SGSN, GGSN professional and the 3G business.For the ease of distinguishing, to support SGSN, the GGSN of 2G/3G business to be called 2G/3G SGSN, 2G/3G GGSN, SGSN, the GGSN that only supports the 2G business is called 2G SGSN, 2G GGSN, SGSN, the GGSN that only supports the 3G business is called 3GSGSN, 3G GGSN.In the 2G/3G UNE, 2G/3G SGSN, 2G/3G GGSN, 2GSGSN, 2G GGSN, 3G SGSN and 3G GGSN coexistence.After 2G/3G SGSN upgrading, 2G/3G SGSN can be according to the wireless access network of user's access, generate RAT-Type (Radio AccessTechnology-Type, the wireless access network type) field, the content identification wireless access network type of RAT-Type field, if the user is by the 2G network insertion, then the content identification wireless access network type of RAT-Type field is GERAN (GSM/EDGE Radio Access Network, a GSM EDGE Radio Access Network network; GSM:Global System for Mobile communication, global system for mobile communications; EDGE:Enhanced Data rates for GSM Evolution, the enhanced data rates for gsm evolution system), if the user inserts by 3G network, then the content identification wireless access network type of RAT-Type field is UTRAN (UMTS Territorial Radio Access Network, a UMTS Terrestrial radio access network network; UMTS:Universal Mobile Telecommunication System, universal mobile telecommunications system).As shown in Figure 2,2G/3G SGSN is carried at PDP (Packet Data Protocol with the RAT-Type field, packet data protocol) send to 2G/3GGGSN in context creation request and the PDP Context update request, 2G/3G GGSN can learn the wireless access network type according to the RAT-Type field.When the generation trigger condition of charging bill was satisfied in session, 2G/3G GGSN can generate charging bill according to the flow information of data service, carries the RAT-Type field in the charging bill.CG equipment carries out the differentiation of wireless access network with each charging bill that 2G/3G GGSN reports according to the RAT-Type field, again with the 2G charging bill and the 3G charging bill is preserved respectively and preliminary treatment such as merging after generate 2G flow ticket and 3G flow ticket and send to BOSS, make that BOSS can be according to the processing of chargeing respectively of 2G flow ticket and 3G flow ticket, in user account, deduct the cost of use of 2G data service and 3G data service respectively, realize distinguishing the billing function of wireless access network type.
In the 2G/3G UNE, if the user inserts 2G/3GGGSN by 2G SGSN or 3G SGSN, because 2G SGSN and 3G SGSN do not support the RAT-Type field, make 2G/3G GGSN can't learn the wireless access network type, 2G/3G GGSN sends in the charging bill of CG equipment will not carry the RAT-Type field, cause CG equipment to carry out the differentiation of wireless access network according to the RAT-Type field, also just can't realize distinguishing the billing function of wireless access network type each charging bill that 2G/3G GGSN reports.
At above-mentioned situation, a kind of solution is that packet field network equipment all in the 2G/3G UNE is upgraded, and makes the whole network packet field network equipment all support the RAT-Type field.In the face of huge and complicated 2G/3G UNE, will bring unusual hard work amount to the transformation of the whole network packet field network equipment, the operability extreme difference is not generally considered.Therefore, how not change on the basis that has the packet field network equipment of supporting the single wireless Access Network now, realizing the generation of the charging bill of differentiation wireless access network type, becoming problem demanding prompt solution in the prior art.
Summary of the invention
The invention provides charging ticket generating method and packet domain gateway device in a kind of packet domain, can't generate the problem of the charging bill of distinguishing the wireless access network type in order to solve based on the existing packet field network equipment of single wireless Access Network of supporting.
Charging ticket generating method in the packet domain provided by the invention comprises:
Receive service universal grouping wireless business supporting node SGSN and inserting the conversation request that sends when the user initiates data service;
When in judging described conversation request, not carrying the wireless access network type that inserts the user,, inquire about the corresponding relation of SGSN address and wireless access network type, determine described access user's wireless access network type according to the address of described SGSN;
When the generation trigger condition of charging bill is satisfied in session, generate and report described access user's charging bill, wherein carry the wireless access network type of determining.
Packet domain gateway device provided by the invention comprises memory cell, receiving element, judging unit, determining unit and charging bill generation unit, wherein:
Described memory cell is used for the corresponding relation of stores service universal grouping wireless business supporting node SGSN address and wireless access network type;
Described receiving element is used to receive SGSN and is inserting the conversation request that sends when the user initiates data service;
Described judging unit is used for judging whether described conversation request carries described access user's wireless access network type, and when not carrying described access user's wireless access network type in judging described conversation request, triggers described determining unit;
Described determining unit is used for the address according to described SGSN, inquires about the corresponding relation of SGSN address and wireless access network type, determines described access user's wireless access network type;
Described charging bill generation unit is used for when the generation trigger condition of charging bill is satisfied in session, generates and report described access user's charging bill, wherein carries the wireless access network type of determining.
Charging ticket generating method in the packet domain provided by the invention, if do not carry the wireless access network type that inserts the user in the conversation request that SGSN sends, then according to the address of this SGSN, the corresponding relation of inquiry SGSN address and wireless access network type, determine to insert user's wireless access network type, and in the charging bill that inserts the user, carry the wireless access network type that this is determined.The present invention need not to change the existing packet field network equipment of supporting the single wireless Access Network, just can realize distinguishing the generation of the charging bill of wireless access network type, for the charging of follow-up differentiation wireless access network type lays the foundation.
Description of drawings
Fig. 1 is the charge system network architecture schematic diagram in the mobile communication system packet domain in the prior art;
Fig. 2 is a charge system network architecture schematic diagram in the 2G/3G UNE in the prior art;
Fig. 3 is the charging ticket generating method flow chart in the packet domain in the embodiment of the invention;
Fig. 4 is the charging ticket generating method specific implementation flow chart in the packet domain in the embodiment of the invention;
Fig. 5 is the structured flowchart of packet domain gateway device in the embodiment of the invention.
Embodiment
The embodiment of the invention provides the charging ticket generating method in a kind of packet domain at generating the problem of the charging bill of distinguishing the wireless access network type based on the existing packet field network equipment of single wireless Access Network of supporting.The embodiment of the invention is in the 2G/3G UNE, 2G/3G GGSN is carried out transformation and upgrade, in 2G/3G GGSN, store the corresponding relation of SGSN address and wireless access network type in advance, receiving SGSN when inserting the conversation request that sends when the user initiates data service, if do not carry the wireless access network type that inserts the user in this conversation request, then according to the address lookup stored relation of this SGSN, determine to insert user's wireless access network type, carry the wireless access network type of determining in the charging bill that generates, thereby realize the generation of the charging bill of differentiation wireless access network type, for the charging of distinguishing the wireless access network type lays the first stone.
In the embodiment of the invention,, stored the 2G/3G GGSN of the corresponding relation of SGSN address and wireless access network type, abbreviated GGSN as by upgrading.
Charging ticket generating method in the packet domain that the embodiment of the invention provides as shown in Figure 3, comprises the steps:
S301, GGSN receive SGSN and are inserting the conversation request that sends when the user initiates data service;
The conversation request that SGSN sends can comprise Create PDP Context Request (PDP Context request to create), SGSN sends this Create PDP Context Request to GGSN when receiving the Active PDP Context Request (PDP context activation request) that inserts user's transmission;
The conversation request that SGSN sends also can comprise Update PDP Context Request (PDP Context update request), if insert the SGSN that the user inserted variation has taken place, and then new SGSN sends this Update PDP Context Request to GGSN.
When S302, GGSN do not carry the wireless access network type that inserts the user in judging this conversation request, according to the address of SGSN, the corresponding relation of inquiry SGSN address and wireless access network type, definite wireless access network type that inserts the user;
Do not carry the wireless access network type that inserts the user in the conversation request and be meant that the content of not carrying RAT-Type field or RAT-Type field in the conversation request is for empty;
When in judging this conversation request, not carrying the wireless access network type that inserts the user, GGSN is according to the source address of conversation request, be the address of SGSN, the corresponding relation of inquiry SGSN address and wireless access network type, thereby definite wireless access network type that inserts the user.
When S303, GGSN satisfy the generation trigger condition of charging bill in session, generate and report the charging bill that inserts the user, wherein carry the wireless access network type of determining;
Wherein, the generation trigger condition of charging bill comprises and receives Delete PDP Context Request (PDP Context removal request) that the wireless access network that perhaps inserts the user switches.The decision method that access user's wireless access network switches, whether specifically comprise: it is consistent with last wireless access network type judge to insert the current wireless access network type of user, and switches at judged result judgement access user's when being inconsistent wireless access network.
The charging bill that carries the wireless access network type that GGSN will generate reports CG equipment, realizes the charging of distinguishing the wireless access network type for CG equipment and lays the first stone.
Preferable, determine after the wireless access network type that inserts the user, GGSN is carried at the wireless access network type of determining and sends to corresponding data service platform in charging (Accounting) message, data service platform can be adjusted the data service billing strategy according to the wireless access network type that inserts the user, also can will insert user's wireless access network type as the foundation that generates professional ticket, comprise the charge information of determining according to the wireless access network type in the wherein professional ticket, this business bill report is given BOSS, the foundation of chargeing and handling as BOSS.
Wherein, the wireless access network type is GERAN or UTRAN, if insert the user by the 2G network insertion, then the wireless access network type is GERAN, inserts by 3G network if insert the user, and then the wireless access network type is UTRAN.The corresponding relation of SGSN address and wireless access network type can be arranged on by the form of SGSN address list among the GGSN, two SGSN address lists promptly are set, one of them is a 2G SGSN address list, corresponding wireless access network type is GERAN, another is a 3G SGSN address list, and corresponding wireless access network type is UTRAN.At the above-mentioned mode that the SGSN address list is set, introduce a kind of specific implementation flow process of the charging ticket generating method in the packet domain, as shown in Figure 4, comprising:
S401, SGSN send conversation request to GGSN;
The conversation request that SGSN sends is Create PDP Context Request or Update PDPContext Request;
S402, GGSN receive the conversation request that SGSN sends, and then judge the content of whether not carrying RAT-Type field or RAT-Type field in the conversation request for empty, if, then carry out S403, if not, then carry out S408;
The address that S403, GGSN judge this SGSN whether in 2G SGSN address list, if, then carry out S404, if not, then carry out S405;
S404, GGSN determine that this access user's wireless access network type is GERAN, directly carries out S408;
If do not carry the RAT-Type field in the conversation request, then increasing content is the RAT-Type field of GERAN, if the content of RAT-Type field is empty in the conversation request, then the content with the RAT-Type field is filled to GERAN;
The address that S405, GGSN judge this SGSN whether in 3G SGSN address list, if, then carry out S406, if not, then carry out S407;
S406, GGSN determine that this access user's wireless access network type is UTRAN, directly carries out S408;
If do not carry the RAT-Type field in the conversation request, then increasing content is the RAT-Type field of UTRAN, if the content of RAT-Type field is empty in the conversation request, then the content with the RAT-Type field is filled to UTRAN;
S407, GGSN determine that this access user's wireless access network type is acquiescence wireless access network type;
Acquiescence wireless access network type can be set flexibly, can be set at GERAN, also can be set at UTRAN, if do not carry the RAT-Type field in the conversation request, then increase the RAT-Type field of content for acquiescence wireless access network type (GERAN or UTRAN), if the content of RAT-Type field is empty in the conversation request, then the content with the RAT-Type field is filled to acquiescence wireless access network type (GERAN or UTRAN);
S408, GGSN are carried at the RAT-Type field and send to corresponding data service platform in the Accounting message;
Concrete is the Radius server that sends in this data service platform, this step is used for this access of notification data business platform user's wireless access network type, data service platform obtains after the RAT-Type field from Accounting message, can adjust the data service billing strategy according to the wireless access network type that inserts the user, and will report BOSS according to the charge information that the wireless access network type is determined by professional ticket;
Whether S409, GGSN switch according to the wireless access network that the RAT-Type field in the conversation request judge to insert the user, if, then carry out S410, if not, S411 then;
S410, GGSN generate charging bill and report CG equipment according to the flow information of data service, wherein carry the RAT-Type field in the charging bill;
Follow-up, CG equipment can be divided into each charging bill that receives two groups according to the RAT-Type field, one group is the 2G charging bill, another group is the 3G charging bill, and this two batch totals nonsense list merged respectively generate the flow ticket after the preliminary treatment and send to BOSS, the flow ticket of the differentiation wireless access network type that professional ticket that BOSS reports according to data service platform and CG equipment report can realize distinguishing the meticulous charging of data service type and wireless access network type;
S411, carry out follow-up flow process according to prior art;
Specifically be meant the flow information of image data business, and when the generation trigger condition of other charging bill is satisfied in session, generate charging bill.
It is pointed out that S408 and S409 have just provided number of steps for convenience, in fact there is no strict sequential relationship between two steps.On the one hand, GGSN is somebody's turn to do the wireless access network type that inserts the user by the data service platform of Accounting message informing correspondence, adjusts data service billing strategy and the foundation that generates professional ticket for data service platform provides according to the wireless access network type; GGSN carries out the collection of the flow information of access user data business on the other hand, and can learn according to current wireless access network type whether wireless access network switching has taken place, if wireless access network switches, think that then session satisfies the generation trigger condition of charging bill, generate and carry the charging bill of RAT-Type field and report CG equipment.
By the SGSN address list is set on 2G/3G GGSN, can distinguish the wireless access network type that inserts the user, on the basis of the packet field network equipment of not changing existing support single wireless access network type, can realize distinguishing the generation of the charging bill of wireless access network type, thereby for realizing that data service platform is distinguished the data service billing strategy of wireless access network type and the meticulous charging of BOSS differentiation wireless access network type and type of service lays the first stone, promote user experience, safeguarded benefits of operators.
Based on same technical conceive, it is GGSN that the embodiment of the invention provides a kind of packet domain gateway device, a kind of possibility structure of packet domain gateway device, as shown in Figure 5, comprise memory cell 500, receiving element 501, judging unit 502, determining unit 503 and charging bill generation unit 504, wherein:
Receiving element 501 is used to receive SGSN and is inserting the conversation request that sends when the user initiates data service;
Judging unit 502 is used for judging whether conversation request carries the wireless access network type that inserts the user, and when not carrying the wireless access network type that inserts the user in judging conversation request, triggers determining unit 503;
Determining unit 503 is used for the address according to SGSN, the corresponding relation of inquiry SGSN address and wireless access network type, definite wireless access network type that inserts the user;
Charging bill generation unit 504 is used for when the generation trigger condition of charging bill is satisfied in session, generates and report the charging bill that inserts the user, wherein carries the wireless access network type of determining.
Preferable, judging unit 503 also is used for when judging conversation request and carry the wireless access network type that inserts the user indication charging bill generation unit 504;
Charging bill generation unit 504 also is used for the indication according to judging unit 503, when the generation trigger condition of charging bill is satisfied in session, generates and report the charging bill that inserts the user, wherein carries the wireless access network type in the conversation request.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (11)
1. the charging ticket generating method that packet domain is interior is characterized in that, comprising:
Receive service universal grouping wireless business supporting node SGSN and inserting the conversation request that sends when the user initiates data service;
When in judging described conversation request, not carrying the wireless access network type that inserts the user,, inquire about the corresponding relation of SGSN address and wireless access network type, determine described access user's wireless access network type according to the address of described SGSN;
When the generation trigger condition of charging bill is satisfied in session, generate and report described access user's charging bill, wherein carry the wireless access network type of determining.
2. the method for claim 1 is characterized in that, described conversation request comprises packet data protocol PDP Context request to create or PDP Context update request.
3. the method for claim 1 is characterized in that, described wireless access network type is GSM EDGE Radio Access Network network GERAN or UMTS Terrestrial radio access network network UTRAN;
And described SGSN address comprises second generation mobile communication system 2G SGSN address list and the corresponding 3-G (Generation Three mobile communication system) 3G SGSN address list of UTRAN that GERAN is corresponding with the corresponding relation of wireless access network type.
4. method as claimed in claim 3 is characterized in that, the corresponding relation of SGSN address and wireless access network type is inquired about in described address according to SGSN, determines described access user's wireless access network type, specifically comprises:
Inquire about described 2G SGSN address list, judge whether the address of described SGSN is recorded in the 2G SGSN address list, if determine that then described access user's wireless access network type is GERAN;
If not, then inquire about described 3G SGSN address list, whether the address of judging described SGSN is recorded in the 3G SGSN address list, if, the wireless access network type of then determining described access user is UTRAN, if not, determine that then described access user's wireless access network type is for giving tacit consent to the wireless access network type.
5. method as claimed in claim 4 is characterized in that, described acquiescence wireless access network type is GERAN or UTRAN.
6. the method for claim 1 is characterized in that, also comprises:
The wireless access network type of determining is carried at the data service platform that sends to correspondence in the charging Accounting message; And
Described data service platform is determined charge information according to described access user's wireless access network type, and reports professional operation support system BOSS.
7. the method for claim 1 is characterized in that, also comprises:
In judging described conversation request, carry described access user's wireless access network type, and when the generation trigger condition of charging bill is satisfied in session, generate and report described access user's charging bill, wherein carry the wireless access network type in the described conversation request.
8. the method for claim 1 is characterized in that, the generation trigger condition of described charging bill comprises: the wireless access network that receives PDP Context removal request or access user switches.
9. method as claimed in claim 8 is characterized in that, the decision method that access user's wireless access network switches comprises:
Judge whether the current wireless access network type of described access user is consistent with last wireless access network type; And
The wireless access network of judging described access user in judged result when being inconsistent switches.
10. a packet domain gateway device is characterized in that, comprises memory cell, receiving element, judging unit, determining unit and charging bill generation unit, wherein:
Described memory cell is used for the corresponding relation of stores service universal grouping wireless business supporting node SGSN address and wireless access network type;
Described receiving element is used to receive SGSN and is inserting the conversation request that sends when the user initiates data service;
Described judging unit is used for judging whether described conversation request carries described access user's wireless access network type, and when not carrying described access user's wireless access network type in judging described conversation request, triggers described determining unit;
Described determining unit is used for the address according to described SGSN, inquires about the corresponding relation of SGSN address and wireless access network type, determines described access user's wireless access network type;
Described charging bill generation unit is used for when the generation trigger condition of charging bill is satisfied in session, generates and report described access user's charging bill, wherein carries the wireless access network type of determining.
11. equipment as claimed in claim 10 is characterized in that,
Described judging unit also is used for indicating described charging bill generation unit when judging described conversation request and carry described access user's wireless access network type;
Described charging bill generation unit also is used for the indication according to described judging unit, when the generation trigger condition of charging bill is satisfied in session, generates and report described access user's charging bill, wherein carries the wireless access network type in the described conversation request.
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| CN103491519A (en) * | 2013-09-25 | 2014-01-01 | 大唐移动通信设备有限公司 | Charging method and device under hybrid network |
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| CN1798040A (en) * | 2004-12-22 | 2006-07-05 | 华为技术有限公司 | Charging method in communication system |
| CN1894985A (en) * | 2003-12-19 | 2007-01-10 | 诺基亚公司 | Control decisions in a communication system |
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| CN1859530A (en) * | 2005-12-31 | 2006-11-08 | 华为技术有限公司 | Charging method and system in mobile communication network |
| CN1976291A (en) * | 2006-12-13 | 2007-06-06 | 中兴通讯股份有限公司 | Method for gateway GPRS support node payment metering method based on swith-on |
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| CN1894985A (en) * | 2003-12-19 | 2007-01-10 | 诺基亚公司 | Control decisions in a communication system |
| CN1798040A (en) * | 2004-12-22 | 2006-07-05 | 华为技术有限公司 | Charging method in communication system |
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| CN103458387A (en) * | 2012-05-29 | 2013-12-18 | 中国移动通信集团公司 | Method, equipment and system for updating tickets in grouped field |
| CN103491519A (en) * | 2013-09-25 | 2014-01-01 | 大唐移动通信设备有限公司 | Charging method and device under hybrid network |
| CN103491519B (en) * | 2013-09-25 | 2017-01-04 | 大唐移动通信设备有限公司 | Charging method under a kind of mixed networking and device |
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