CN101026664B - Prepaid business charging method and system - Google Patents
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- CN101026664B CN101026664B CN2006100078321A CN200610007832A CN101026664B CN 101026664 B CN101026664 B CN 101026664B CN 2006100078321 A CN2006100078321 A CN 2006100078321A CN 200610007832 A CN200610007832 A CN 200610007832A CN 101026664 B CN101026664 B CN 101026664B
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Abstract
Being applicable to global microwave system WiMAX, the method includes steps: when network resources consumption (NRC) of a user reaches to threshold value of NRC or quota assigned to the user, charging client end corresponding to the user client end sends message of prepay request to authorization function entity corresponding to the user client end; based on request causation ID carried by message of request, after initiating corresponding process flow, the authorization function entity returns back message of prepay notification to the charging client end. When charging client end functionentity and authorization function entity belong to different physical entities, the invention is still capable of carrying out charging prepay service.
Description
Technical field
The present invention relates to wireless communication field, relate in particular to a kind of prepaid business charging method and system that is applied to global microwave system WiMAX.
Background technology
Whole world microwave system (Worldwide Interoperability for Microwave Access, WiMAX) interoperability network mainly is made up of three parts, be client (Mobile Station, MS), accessing business network (Access Service Network, ASN) be connected service network (Connectivity ServiceNetwork, CSN).
Referring to Fig. 1, be existing WiMAX schematic network structure, wherein:
ASN comprises base station (Base Station, BS) and accessing business network gate (ASN-GW), ASN-GW can realize mobile IP Foreign Agent (Foreign Agent, FA), proxy mobile IP customer terminal (PMIPClient), authentication person's functional entity (Authenticator), dynamic host configuring protocol agent (DHCPProxy), charging point remote subscriber dial in authentication service logic functions such as (Radius Client);
CSN comprises home agent (the Home Agent of mobile IP, HA), prepaid server (PrepaidServer, PPS), AAA server logic entities such as (Authentication, Authorization andAccounting Server are called for short aaa server);
Communicate to the R6 interface by R1 between logic entity;
Its wireless side is based on the wireless MAN access technology of Institute of Electrical and Electronics IEEE 802.16d/e standard.
The present invention relates to the charging problem of WiMAX network.
Referring to Fig. 2, be existing WiMAX network charge system structural representation, main network element has MS, AAA agency/client, visit ground aaa server (Visited AAA Server), ownership place AAA server (Home AAA Server), PPS, prepayment client (Prepaid Client, PPC), hot line equipment (Hot-lining Device, HLD), the hot line application (Hot-lining Application, HLA) etc.
MS is the user terminal that moves, and mainly serves as user's role in charging; The AAA client is that Accounting Client is a charging point, send to the AAA agency after all charge informations are collected, the AAA client comprises charging proxy (Accounting Agent, AA) and pre-payment agency (Prepaid Agent, PPA), wherein, the Accounting Client (GW-Accounting, i.e. AccountingClient) among the corresponding the present invention of PPA; The AAA agency is an intermediate equipment, mainly the charge information of receiving is handled the back and is generated a station message recording message, and be transmitted to the aaa server of far-end; Visit ground aaa server is local aaa server, transparent transmission and forwarding capability entity in the time of as roaming; The ownership place aaa server is the original initial registration of user or the aaa server in the former possession of user, and user's CAMEL-Subscription-Information is arranged on it, and user's charging also is to carry out billing operation thereon; PPC is the functional entity that carries out the pre-payment quotas administered with PPS alternately, correspond to authentication person's functional entity (GW-Authenticator of the present invention, be Authenticator), PPS is a prepaid server, be mainly used in the online charging of handling the prepaid user, store user's bill information, after the user reaches the standard grade, the user is carried out the real-time deduction operation.
All charging flows all have common flow process relation, are example with a general charging reference model below, and the charge system structure that has WiMAX now is described.
Referring to Fig. 3, the generalized reference model schematic diagram for existing WiMAX network charge system is described as follows:
Subscription client is logined, is visited and exit network in certain accounting access mode (as charge by flow or charged according to time etc.) according to network requirement, charging point is initiated charging message automatically according to the subscriber network access situation, and accounting server receives charging message and generates the bill of user's correspondence according to charging message.From this angle, it is transparent chargeing to the user, surfs the Net automatically from the user, to the off line automatic end of user.
Generally speaking, charging point is access server (Network Access Server, NAS) or BAS Broadband Access Server (Broadband Access Server, BAS), can certainly be RAS (the Remote Access Server of other simplification, RAS), as LAN switch LAN Switch, access point AP or Cable Modem Termination System (Cable Modem Terminal System, CMTS) etc., its perception user login automatically, action exits network.Accounting server generally is an aaa server, can use radius protocol, also can use other agreements, typically as internal agreement, Terminal Access Controller system protocol (Terminal Access Controller Access Control System, TACACS) etc.
Prepayment service be the user buy certain amount of money in advance service (for example, in the data prepayment service, be presented as the service time or the data traffic of some) a kind of business, by the operating position of pre paid functionality entity real-time tracking user, from account balance, deduct current cost of use in real time to purchasing resource (time or flow).Prepayment service all has commercialization, technology maturation in fixed network, mobile (comprising code division multiple access CMDA system and broadband WCDMA system) at present.Describe with the pre-payment flow process among 3rd Generation Partnership Project two 3GPP2 below.
Referring to Fig. 4, be existing CDMA2000 system prepayment charging network structural representation, mainly constitute by travelling carriage (Mobile Station), packet data serving node (PDSN) and ownership radius server or prepaid server.
Based on the prepaid network structure of above-mentioned CDMA2000 system, below the complete pre-payment flow process of chargeing of normal discharge among the CDMA2000 is elaborated.
Referring to Fig. 5, be existing CDMA2000 system normal discharge charging pre-payment schematic flow sheet, concrete steps comprise:
Step a, be the authentication and authorization process of pre-payment Packet data service.
PDSN and ownership place radius server or the mutual prepaid accounting support of PPS situation attribute (Prepaid Accounting Capability with prepayment capabilities, PPAC), ownership place radius server or PPS obtain initial capital rationing (in this example, its corresponding initial flow is 150K) after, for MS distributes initial flow quota VQ (this example is 50K) and flow quota threshold value VT (this example is 40K), and by prepaid accounting quota attribute (the PrepaidAccounting Quota in the message that sends to PDSN, PPAQ), initial flow quota and threshold value are sent to PDSN, charging way sign (this example is the charge on traffic mode) is sent to PDSN by the PPAC attribute in this message.
Step b, MS bring into use Packet data service, and PDSN monitors user's IP traffic;
Step c, when PDSN monitors flow that the user uses when reaching the 40K threshold value, trigger more new technological process of quota;
Steps d, PDSN send RADIUS pre-payment request message (Access-Request) to ownership place radius server or PPS, carry the PPAQ attribute, wherein, sub-attribute VQ=40K, the flow that shows the current real consumption of user is 40K; Upgrading former factor attribute is 3, shows that thresholding arrives (ThresholdReached);
Step e, ownership radius server or PPS return pre-payment response message (Access-Accept) to PDSN, carry the PPAQ attribute;
After ownership radius server or PPS receive the pre-payment request message of PDSN, the flow of the current consumption of recording user is 40K, because initial flow-dispense flow rate quota=100K, PPS judges that the initial capital rationing that is assigned to does not also all issue, so distribute the flow of 50K again to the user, promptly utilize the PPAQ attribute to return new VQ=100K, VT=90K;
Step f, MS continue to use Packet data service, and PDSN monitors user's IP traffic;
Step g, when PDSN monitors flow that the user uses when reaching the 90K threshold value, trigger more new technological process of flow quota again;
Step h, PDSN send RADIUS pre-payment request message (Access-Request) to ownership place radius server or PPS, carry the PPAQ attribute, wherein, sub-attribute VQ=90K, the flow that shows the current real consumption of user is 90K; Upgrading former factor attribute is 3, shows that thresholding arrives;
Step I, ownership radius server or PPS return pre-payment response message (Access-Accept) to PDSN, carry the PPAQ attribute;
After ownership radius server or PPS receive the pre-payment request message of PDSN, the flow of the current consumption of recording user is 90K, because initial flow-dispense flow rate quota=50K, PPS judges that the initial capital rationing that is assigned to does not also all issue, so distribute the flow of 40K again to the user, promptly utilize the PPAQ attribute to return new VQ=140K, VT=130K;
Step j, MS continue to use Packet data service, and PDSN monitors user's IP traffic;
Step k, when PDSN monitors flow that the user uses when reaching the 130K threshold value, trigger more new technological process of flow quota again;
Step l, PDSN send RADIUS pre-payment request message (Access-Request) to ownership place radius server or PPS, carry the PPAQ attribute, wherein, sub-attribute VQ=130K, the flow that shows the current real consumption of user is 130K; Upgrading former factor attribute is 3, shows that thresholding reaches;
Step m, ownership radius server or PPS return pre-payment response message (Access-Accept) to PDSN, carry the PPAQ attribute;
After ownership radius server or PPS receive the pre-payment request message of PDSN, the flow of the current consumption of recording user is 130K, because initial flow-dispense flow rate quota=10K, PPS judges that the initial capital rationing that is assigned to does not also all issue, so distribute the flow of 10K again to the user, promptly utilize the PPAQ attribute to return new VQ=150K, VT=145K;
Step n, MS continue to use Packet data service, and PDSN monitors user's IP traffic;
Step o, when PDSN monitors flow that the user uses when reaching the 145K threshold value, trigger more new technological process of flow quota again;
Step p, PDSN send RADIUS pre-payment request message (Access-Request) to ownership place radius server or PPS, carry the PPAQ attribute, wherein, sub-attribute VQ=145K, the flow that shows the current real consumption of user is 145K; Upgrading former factor attribute is 3, shows that thresholding reaches;
Step q, ownership radius server or PPS return pre-payment response message (Access-Accept) to PDSN, carry the PPAQ attribute;
After ownership radius server or PPS receive the pre-payment request message of PDSN, the flow of the current consumption of recording user is 145K, because initial flow-dispense flow rate quota=0K, PPS judges that the initial capital rationing that is assigned to all issues, do not have unnecessary flow to give the user this moment, so utilize the PPAQ attribute to return new VQ=150K, VT=150K;
Step r, MS continue to use Packet data service, and PDSN monitors user's IP traffic;
Step s, when PDSN monitors flow that the user uses when reaching the 150K threshold value, trigger professional termination process;
Step t, PDSN send RADIUS pre-payment request message to ownership place radius server or PPS, carry the PPAQ attribute, wherein, sub-attribute VQ=150K, the flow that shows the current real consumption of user is 150K; Upgrading former factor attribute is 4, shows that quota uses up (Quota Expiry);
The flow of step u, ownership radius server or the real consumption of PPS recording user is 150K, sends pre-payment response message (Access-Accept) and gives PDSN, confirms that the pre-payment Packet data service stops.As the part of generally back paying flow process, this PDSN sends the back and pays and stop charging request message, discharges other related resources.
Among the step u of above-mentioned flow process, if ownership radius server or PPS judge that the flow of user's real consumption less than its initial flow for this user's distribution, then belongs to radius server or PPS the pairing expense of its difference flow is restored to user account.
In the prior art, the charge information that the Accounting Client among the PDSN (AccountingClient) sends to aaa server all is by the Authenticator among the PDSN RadiusAccess-Request message to be sent to aaa server.Because Accounting client and Authenticator are present in the same physical entity in the prior art, in same PDSN, therefore when between Accounting client and the aaa server mutual the time, the Accounting client is mutual by carrying out between inner primitive and the Authenticator, does not relate to the message problem of equipment room.
But WiMAX NWG standard is the realization that defines various functions with logical functional entity, so the Accounting client of the AAA client that relates in the pre-payment flow process and Authenticator are not positioned at same physical entity usually.Generally, Accounting client and FA move along with moving of terminal together, and promptly Accounting client and FA can be positioned in the same physical entity, and the Authenticator that serves MS might not move.This moment, Accounting client and Authenticator strode several physical equipments.And according to the definition of present Internet engineering project group IETF, under the pre-payment situation, mutual between Accounting client and the aaa server all is to be undertaken alternately by the Radius message between Authenticator and the aaa server, therefore is necessary the message between Accounting client and the Authenticator is defined.
Owing to the present invention relates to RADIUS message, so the structure of RADIUS message is simply introduced.
Referring to Fig. 6, be the structural representation of radius protocol message, mainly form by message code (Code), message identifier (Identifier), message-length (Length), authentication word (Authenticator) and property set (Attributes), wherein:
Code mainly identifies the type of this message, accounts for 1 byte;
It is right that Identifier is used for identification message, prevents that response message from obscuring, and accounts for 1 byte;
Length is used for describing the length of whole message, and unit is a byte, and it accounts for 2 bytes;
Authenticator is mainly used in safety assurance, accounts for 16 bytes;
Can comprise attributes such as user name, user cipher, flow size, duration among the property set Attributes, the particular content of expression message.This Attributes is a plurality of TLV (Type Length Value) structures, i.e. type+length+value, and as shown in Figure 7, it is fixed that concrete length can be come according to the definition of attribute.
Said structure is except Attributes, and Code, Identifier and Length can exist in each RADIUS message.
Summary of the invention
The invention provides a kind of prepaid business charging method and system, charge in order to realize prepayment service in the WiMAX system that adheres to different physical entities at Accounting Client and authentication person's functional entity separately.
The inventive method comprises:
After Internet resources use amount that Accounting Client PPA monitors the user reaches the Internet resources use amount threshold value or quota of distributing to it, send the pre-payment request message to authentication person's functional entity PPC, wherein carry the reason for claim sign and the current Internet resources use amount of user that show that thresholding arrives or quota is used up;
Described Accounting Client PPA receives described authentication person's functional entity PPC and identifies the pre-payment notification message that returns after the initiation alignment processing flow process according to the reason for claim that carries in the described request message; Wherein, then carry Internet resources use amount quota and the threshold value that is newly assigned to subscription client in this pre-payment notification message if the described request reason mark shows thresholding to be arrived; Use up if the described request reason mark shows quota, then this pre-payment notification message is used to confirm that Packet data service stops.
In the said method: prepaid server PPS is after described subscription client authentication is passed through, obtain initial capital rationing from prepaid server grid side, be initial quota of user's allocation of network resources use amount and threshold value, and the initial quota that will distribute and threshold value send to described authentication person's functional entity PPC;
Described authentication person's functional entity PPC sends the pre-payment notification message to described Accounting Client PPA, wherein carries initial quota of Internet resources use amount and threshold value that described prepaid server PPS distributes.
In the said method, described Accounting Client PPA sends the pre-payment request message to described authentication person's functional entity PPC, comprising:
Described Accounting Client PPA obtains the identification information of described authentication person's functional entity PPC from this locality;
Described Accounting Client PPA sends the pre-payment request message to authentication person's functional entity PPC of described identification information correspondence.
In the said method, described Accounting Client PPA obtains the identification information of described authentication person's functional entity PPC from this locality, comprising:
Described Accounting Client PPA offers the current information stores of its user in this locality with network side;
Described Accounting Client PPA extracts described authentication person's functional entity PPC identification information from the current information of the described user of this locality storage.
According to said method of the present invention, if described Accounting Client detects minus flow information, then in described Accounting Client sends to the described pre-payment request message of described authentication person's functional entity, comprise this minus flow information, send to the server that network side is responsible for chargeing by described authentication person's functional entity and handle.
The invention provides another kind of prepaid business charging method, be applied to global microwave system WiMAX, it is characterized in that, comprising:
Authentication person's functional entity PPC receives Accounting Client PPA and reaches the pre-payment request message that sends after the Internet resources use amount threshold value of distributing to it or the quota in the Internet resources use amount that monitors the user, wherein carries the reason for claim sign and the current Internet resources use amount of user that show that thresholding arrives or quota is used up;
Described authentication person's functional entity PPC initiates the alignment processing flow process according to the reason for claim sign of carrying in the described request message, if the described request reason mark shows thresholding and arrive, then send and carry the Internet resources use amount quota that is newly assigned to subscription client and the pre-payment notification message of threshold value to described Accounting Client PPA; Use up if the described request reason mark shows quota, think that then described Accounting Client sends the pre-payment notification message that is used to confirm the Packet data service termination.
Prepayment service charge system provided by the invention is applied to global microwave system WiMAX, comprises prepaid server PPS, Accounting Client PPA and authentication person's functional entity PPC, wherein:
After Internet resources use amount that described Accounting Client PPA monitors the user reaches the Internet resources use amount threshold value or quota of distributing to it, the Accounting Client PPA of subscription client correspondence sends the pre-payment request message to authentication person's functional entity PPC of this subscription client correspondence, wherein carry the reason for claim sign and the current Internet resources use amount of user that show that thresholding arrives or quota is used up, and, receive the pre-payment notification message that returns after the alignment processing flow process of described authentication person's functional entity PPC according to described pre-payment request message initiation;
Described authentication person's functional entity PPC according to showing of carrying in the described request message reason for claim sign that thresholding arrives to prepaid server PPS initiate quota more new technological process and return to described Accounting Client PPA and to carry the Internet resources use amount quota that is newly assigned to described subscription client and the pre-payment notification message of threshold value obtaining Internet resources use amount quota and the threshold value that is newly assigned to described subscription client; According to showing of carrying in the described request message reason for claim sign that quota uses up initiate professional termination process stopping Packet data service to prepaid server PPS, and return to carry to described Accounting Client PPA and be used to the pre-payment notification message of confirming that the user grouping data service stops;
Described prepaid server PPS, the quota of initiating according to described authentication person's functional entity PPC is new technological process more, be described subscription client new allocation of network resources use amount quota and threshold value, the professional termination process of initiating according to described authentication person's functional entity PPC stops the Packet data service and the processing of chargeing.
Description of drawings
Fig. 1 is existing WiMAX schematic network structure;
Fig. 2 is existing WiMAX network charge system structural representation;
Fig. 3 is the generalized reference model schematic diagram of existing WiMAX network charge system;
Fig. 4 is existing CDMA2000 system prepayment charging network structural representation;
Fig. 5 is existing CDMA2000 system normal discharge charging pre-payment schematic flow sheet;
Fig. 6 is the structural representation of existing radius protocol message;
Fig. 7 is the structural representation of property set in the existing radius protocol message;
Fig. 8 is WiMAX of the present invention system normal discharge charging pre-payment schematic flow sheet.
Embodiment
The present invention is by the message between definition Accounting Client (Accounting Client) and the authentication person's functional entity (Authenticator), thereby it is can be normally mutual by carrying out between Authenticator and the prepaid server to guarantee that the Accounting client sends to the prepaid accounting message of prepaid server, when realizing that the Accounting client belongs to different physical entity with Authenticator, prepayment service is chargeed.
Pre-payment flow process to charge by flow normally in the WiMAX network describes the present invention below.
Referring to Fig. 8, be WiMAX of the present invention system normal discharge charging pre-payment schematic flow sheet, the detailed step of its concrete prepaid accounting flow process comprises:
Authenticator sends pre-payment notification message (Prepaid Notify) and gives the Accountting client, carries PPAC and PPAQ attribute, notice Accounting client, and the user is by authenticating and beginning it is chargeed.Wherein, the charged party formula property value in the PPAC attribute is the charge on traffic sign, and the sub-attribute VQ in the PPAQ attribute is a flow quota (VQ=50K in the present embodiment) of distributing to the user, and sub-attribute VT is flow quota thresholding (VT=40K in the present embodiment).
In step 3, Accounting client structure pre-payment request message (Prepaid Request) sends to Authenticator, carries the PPAC attribute of its support prepaid function of expression, informs Authenticator charging beginning;
In step 4a～4c, Authenticator inserts request message (Access Request) by sending, to prepaid server grid side request initial flow quota;
In step 5a～5c, prepaid server grid side is distributed the initial flow quota for the user, and by inserting response message (Access Accept), carries PPAC attribute and PPAQ attribute, sends it to Authenticator.Wherein, the PPAC attribute shows that charging way is for charging by flow; Comprise in the PPAQ attribute initial flow quota and threshold value (VQ=50K, VT=40K);
In step 6, Authenticator constructs pre-payment notification message (Prepaid Notify), carries PPAC and PPAQ attribute, sends to the Accounting client.
Wherein, the charged party formula property value in the PPAC attribute identifies for the charge on traffic mode; Sub-attribute VQ=50K in the PPAQ attribute, sub-attribute VT=40K;
In step 7, Accouting client structure pre-payment request message (Prepaid Request), and send it to Authenticator, carry the PPAQ attribute, wherein, sub-attribute VQ=40K, the flow that shows the current real consumption of user is 40K, the sub-property value of reason for claim is that thresholding arrives (ThrestholdReached);
In step 8, Authenticator sends to PPS and inserts request message (Access Repuest), carries the PPAQ attribute, shows the current real consumption 40K of user flow, and reason for claim is that thresholding arrives;
In step 9, the flow of PPS recording user real consumption is 40K, because initial flow-dispense flow rate quota=100K, PPS judges that the initial flow that is assigned to does not also all issue, so distribute the flow of 50K again to the user, promptly upgrade VQ=100K, VT=90K, and return to Authenticator and to insert response message (Access Accept), carry the PPAQ attribute that comprises new flow quota and threshold value;
In step 10, Authenticator constructs pre-payment notification message (Prepaid Notify), carries PPAC and PPAQ attribute, sends to the Accounting client.
Wherein, the charged party formula property value in the PPAC attribute is the charge on traffic sign; In attribute VQ=100K, sub-attribute VT=90K;
Step 11, user continue to use Packet data service, repeat more new technological process of above-mentioned quota, and returning new flow quota up to PPS is VQ=150K, and threshold value is VT=140K;
The pairing initial flow of capital rationing (150K) that step 12～13, PPS detect application all issues, PPS to service control point (Service Control Point, SCP) initiate the flow process that request distributes new capital rationing:
In step 12, PPS sends to SCP and inserts request message (Access Request), the capital rationing that please look for novelty;
In step 13, SCP returns to PPS and inserts response message (Access Accept), carries new capital rationing.Present embodiment supposition SCP does not distribute new capital rationing to PPS, and the initial flow of distributing to the user remains unchanged.
In step 14, Accouting client structure pre-payment request message (Prepaid Request), and send it to Authenticator, carry the PPAQ attribute, wherein, sub-attribute VQ=140K, the flow that shows the current real consumption of user is 140K, the sub-property value of reason for claim is that thresholding arrives (ThrestholdReached);
In step 15, Authenticator sends to PPS and inserts request message (Access Repuest), carries the PPAQ attribute, shows the current real consumption 140K of user flow, and reason for claim is that thresholding arrives;
In step 16, the flow of PPS recording user real consumption is 140K, because initial flow-dispense flow rate quota=0K, PPS judges that the initial flow that is assigned to all issues, then upgrade VQ=VT=150K, and return to Authenticator and to insert response message (Access Accept), carry the PPAQ attribute that comprises new flow quota and threshold value;
In step 17, Authenticator constructs pre-payment notification message (Prepaid Notify), carries PPAC and PPAQ attribute, sends to the Accounting client.
Wherein, the charged party formula property value in the PPAC attribute is the charge on traffic sign; Sub-attribute VQ=150K in the PPAQ attribute, sub-attribute VT=150K.
In the step 18, Accouting client structure pre-payment request message (Prepaid Request), and send to Authenticator, and carry the PPAQ attribute, request stops user's prepayment service.
Wherein, the sub-attribute VQ=150K in the PPAQ attribute, the flow that shows the current real consumption of user is 150K, the sub-property value of reason for claim is that quota is used up (Quota Expiry);
In the step 19, Authenticato sends to PPS and inserts request message (Access Repuest), carries the PPAQ attribute, shows user's real consumption 150K flow, and reason for claim is professional stop (the Client Service Termination) of client;
In the step 20, the flow of PPS recording user real consumption is 150K, returns to the functions of the equipments module at Authenticator place and inserts response message (Access Accept);
In the step 21, Authenticator returns pre-payment notification message (PrepaidNotify) to the Accouting client, and discharges user's connection.
If in step 18～19 of above-mentioned flow process, the flow value of the user's real consumption that reports is less than 150K, and then PPS also will be scaled the amount of money with the differential section of the flow of initial flow and user's real consumption, and turns back on the user account.
In above-mentioned charging process, the Accounting client stores has user profile, wherein comprises the identification information (Authenticator ID) of the Authenticator of subscription client correspondence.When subscription client moved, the Accounting client might be moved with subscription client, and the Authenticator of this subscription client correspondence not necessarily moves.At this moment, system transmits the current information of user to current Accounting client, and comprising the Authenticator ID of subscription client correspondence, the user profile that the Accounting client will comprise this Authenticator ID is stored in this locality.The unique corresponding Authenticator of each Authenticator ID.After the prepayment service flow that current Accounting client control is consumed to subscription client reaches Stream threshold value, from local stored user information, extract AuthenticatorID, and find corresponding Authenticator, transmit pre-payment message betwixt.
Undertaken the prepaid accounting by flow except that above-mentioned, in the WiMAX network, also have multiple charging way, as press duration charge, switch by prepaid accounting in switching or rate in prepaid accounting etc.The prepaid accounting flow process of different charge mode is all similar with above-mentioned flow process of charging by flow, different only be that the entrained attribute of interactive messages between Accounting client and Authenticator is different.As, when pressing duration and chargeing, when the Accounting client uses professional duration to reach the duration threshold value the user, send to the sub-attribute DQ that PPAQ attribute in the pre-payment request message of Authenticator comprises the duration that shows that the active user uses; After Authenticator got access to new duration quota and threshold value, the PPAQ attribute that sends in the pre-payment notification message of Accounting client comprised sub-attribute DQ that shows newly assigned duration quota and the sub-attribute DT that shows newly assigned threshold value.
The mutual pre-payment request message (Prepaid Request) and the content of pre-payment notification message (PrepaidNotify) define between the functions of the equipments module of the present invention to Accouting client in the above-mentioned flow process and Authenticator place, as shown in Table 1:
Table one: mutual pre-payment message content between Accounting client and Authenticator
In the table one, Code, Identifier, Length and Authenticator cell in Prepaid Request message and the Prepaid Notify message are the message header cell, are that each message is requisite.
The cell Username and the Framed-IP-Address that also must comprise relevant prepaid user's information in the Prepaid Request message, cell Service-Type and Service Flow ID about prepayment service information, the cell STC of relevant chargeable session information, Acct-Session-Id and Acct-Multi-Session-ID, Prepaid Request message authentication word cell Message-Authenticator, the cell of marking equipment merchant extended attribute (equipment vendor's extended attribute is used for providing the function expansion required relevant information to service provider), the cell of sign absolute time.In addition, also can comprise optional cell described in table one.Prepaid Request message must comprise essential cell, can comprise optional cell as required selectively.
The cell that also must comprise sign STC cell, message authentication word cell and equipment vendor's extended attribute in the Prepaid Notify message.In addition, also can comprise optional cell described in table one.Prepaid Notify message must comprise essential cell, can comprise optional cell as required selectively.
Especially, the Prepaid Request message of the present invention's definition need comprise distinctive parameter A cct-Multi-Session-Id in the WiMAX network, in order to the identifying user chargeable session.When subscription client switched, the WiMAX system was that charging point (as the Accounting client) provides the session identification at the user, made the charging point can be to this session of this user processing of chargeing.Because the Accounting client of AAA client belongs to different network entities with Authenticator, therefore the Accounting client sends in the pre-payment request message of Authenticator, need carry this parameter, aaa server can be chargeed to this professional use of this user.In addition, because in the prepaid accounting flow process, the AAA client is responsible for detecting minus flow information, and the server (as aaa server) that is reported to network side to be responsible for chargeing after detecting minus flow information is handled, therefore, in sending to the Prepaid Request message of Authenticator, the Accounting client also need comprise distinctive parameter A SN Unsent Downlink Volume Octet Count in the WiMAX network, in order to show the minus flow size (promptly, chargeed but the not complete quantity of issuing the user's data bag, perhaps repeat the quantity of data packets of chargeing), send to aaa server by Authenticator and handle.
In the table, distinctive cell ASN Unsent Downlink Volume OctetCount and Acct-Multi-Session-Id define according to the agreement in 3GPP2 agreement and the WiMAX network in the WiMAX network, and other cells and attribute can define with reference to the Authenticator of definition in RFC2865, RFC2866 and the 3GPP2 prepaid accounting agreement document " X.S0011-006-C-v1.0 " and the Access Request between the aaa server or Access Accept message content.Cell that defines in the table and attribute are not limited to the message of transmitting in the normal pre-payment flow process, so long as the message of the relevant pre-payment of transmitting between Accounting client and Authenticator all is made up of cell and attribute in the table.
By foregoing description as can be known, the present invention is by the message and the content of relevant pre-payment mutual between definition Accounting client and the Authenticator, thereby guarantee that the charging message that the Accounting client sends to aaa server or PPS can normally pass through Authenticator, and carry out mutual between aaa server or the PPS, when realizing that the Accounting client belongs to different physical entity with Authenticator, use prepayment service to charge to the user.
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 (12)
1. a prepaid business charging method is applied to global microwave system WiMAX, it is characterized in that, comprising:
After Internet resources use amount that Accounting Client PPA monitors the user reaches the Internet resources use amount threshold value or quota of distributing to it, send the pre-payment request message to authentication person's functional entity PPC, wherein carry the reason for claim sign and the current Internet resources use amount of user that show that thresholding arrives or quota is used up;
Described Accounting Client PPA receives described authentication person's functional entity PPC and identifies the pre-payment notification message that returns after the initiation alignment processing flow process according to the reason for claim that carries in the described request message; Wherein, arrive, then carry Internet resources use amount quota and the threshold value that is newly assigned to subscription client in this pre-payment notification message if the described request reason mark shows thresholding; Use up if the described request reason mark shows quota, then this pre-payment notification message is used to confirm that Packet data service stops.
2. the method for claim 1 is characterized in that, described Accounting Client PPA sends the pre-payment request message to described authentication person's functional entity PPC, comprising:
Described Accounting Client PPA obtains the identification information of described authentication person's functional entity PPC from this locality;
Described Accounting Client PPA sends the pre-payment request message to authentication person's functional entity PPC of described identification information correspondence.
3. method as claimed in claim 2 is characterized in that, described Accounting Client PPA obtains the identification information of described authentication person's functional entity PPC from this locality, comprising:
Described Accounting Client PPA offers the current information stores of its user in this locality with network side;
Described Accounting Client PPA extracts described authentication person's functional entity PPC identification information from the current information of the described user of this locality storage.
4. the method for claim 1, it is characterized in that, prepaid server PPS is after described subscription client authentication is passed through, obtain initial capital rationing from prepaid server grid side, be initial quota of user's allocation of network resources use amount and threshold value, and the initial quota that will distribute and threshold value send to described authentication person's functional entity PPC;
Described authentication person's functional entity PPC sends the pre-payment notification message to described Accounting Client PPA, wherein carries initial quota of Internet resources use amount and threshold value that described prepaid server PPS distributes.
5. method as claimed in claim 4 is characterized in that, if described authentication person's functional entity PPC does not carry described initial quota and threshold value, then execution in step in the described pre-payment notification message that described Accounting Client PPA returns:
Described Accounting Client PPA sends the pre-payment request message that obtains initial quota and threshold value to described authentication person's functional entity PPC;
Described Accounting Client PPA receives the pre-payment notification message that described authentication person's functional entity PPC returns, and wherein carries described authentication person's functional entity PPC and gets access to initial quota and threshold value from network side.
6. as the described method of any claim of claim 1 to 5, it is characterized in that, comprise many session identifications cell Acct-Multi-Session-Id that charges in the described pre-payment request message, make the server that network side is responsible for chargeing can be, to the processing of chargeing of the ongoing prepayment service of this subscription client according to the user conversation of this source identity.
7. the method for claim 1, it is characterized in that, if described Accounting Client PPA detects minus flow information, then in described Accounting Client PPA sends to the described pre-payment request message of described authentication person's functional entity PPC, comprise this minus flow information, send to the server that network side is responsible for chargeing by described authentication person's functional entity PPC and handle.
8. a prepaid business charging method is applied to global microwave system WiMAX, it is characterized in that, comprising:
Authentication person's functional entity PPC receives Accounting Client PPA and reaches the pre-payment request message that sends after the Internet resources use amount threshold value of distributing to it or the quota in the Internet resources use amount that monitors the user, wherein carries the reason for claim sign and the current Internet resources use amount of user that show that thresholding arrives or quota is used up; Described authentication person's functional entity PPC initiates the alignment processing flow process according to the reason for claim sign of carrying in the described request message; Wherein, arrive if the described request reason mark shows thresholding, then described authentication person's functional entity PPC sends to described Accounting Client PPA and carries the Internet resources use amount quota that is newly assigned to subscription client and the pre-payment notification message of threshold value; Use up if the described request reason mark shows quota, then described authentication person's functional entity PPC sends the pre-payment notification message that is used to confirm the Packet data service termination to described Accounting Client PPA.
9. method as claimed in claim 8, it is characterized in that, prepaid server PPS is after described subscription client authentication is passed through, obtain initial capital rationing from prepaid server grid side, be initial quota of user's allocation of network resources use amount and threshold value, and the initial quota that will distribute and threshold value send to described authentication person's functional entity PPC.
10. method as claimed in claim 9 is characterized in that, if described authentication person's functional entity PPC does not carry described initial quota and threshold value, then execution in step in the described pre-payment notification message that described Accounting Client PPA returns:
Described authentication person's functional entity PPC receives the pre-payment request message that obtains initial quota and threshold value that described Accounting Client PPA sends;
Described authentication person's functional entity PPC returns the pre-payment notification message to described Accounting Client PPA after getting access to initial quota and threshold value from network side, carries the initial quota and the threshold value that get access to.
11. method as claimed in claim 8, it is characterized in that, described authentication person's functional entity PPC receives the described pre-payment request message that described Accounting Client PPA sends, wherein comprise the detected minus flow information of described Accounting Client PPA, described authentication person's functional entity PPC sends to the server that network side is responsible for chargeing with this minus flow information and handles.
12. a prepayment service charge system is applied to global microwave system WiMAX, it is characterized in that, comprises prepaid server PPS, Accounting Client PPA and authentication person's functional entity PPC, wherein:
After Internet resources use amount that described Accounting Client PPA monitors the user reaches the Internet resources use amount threshold value or quota of distributing to it, the Accounting Client PPA of subscription client correspondence sends the pre-payment request message to authentication person's functional entity PPC of this subscription client correspondence, wherein carries the reason for claim sign and the current Internet resources use amount of user that show that thresholding arrives or quota is used up; And, receive the pre-payment notification message that returns after the alignment processing flow process of described authentication person's functional entity PPC according to described pre-payment request message initiation;
Described authentication person's functional entity PPC according to showing of carrying in the described request message reason for claim sign that thresholding arrives to prepaid server PPS initiate quota more new technological process and return to described Accounting Client PPA and to carry the Internet resources use amount quota that is newly assigned to described subscription client and the pre-payment notification message of threshold value obtaining Internet resources use amount quota and the threshold value that is newly assigned to described subscription client; According to showing of carrying in the described request message reason for claim sign that quota uses up initiate professional termination process stopping Packet data service to prepaid server PPS, and return to carry to described Accounting Client PPA and be used to the pre-payment notification message of confirming that the user grouping data service stops;
Described prepaid server PPS, the quota of initiating according to described authentication person's functional entity PPC is new technological process more, is described subscription client new allocation of network resources use amount quota and threshold value; And the professional termination process of initiating according to described authentication person's functional entity PPC stops the Packet data service and the processing of chargeing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2006100078321A CN101026664B (en) | 2006-02-17 | 2006-02-17 | Prepaid business charging method and system |
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| CN2006100078321A CN101026664B (en) | 2006-02-17 | 2006-02-17 | Prepaid business charging method and system |
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| WO2009065363A1 (en) * | 2007-11-21 | 2009-05-28 | Huawei Technologies Co., Ltd. | Method, apparatus and system for realizing prepayment in the network |
| CN101442417B (en) * | 2007-11-21 | 2011-11-16 | 华为技术有限公司 | Method, apparatus and system for implementing pre-payment in network |
| CN101212811B (en) * | 2007-12-25 | 2012-04-18 | 华为技术有限公司 | Method and device for external agent to control in mobile IP network |
| CN101277347B (en) * | 2008-04-24 | 2011-08-24 | 中兴通讯股份有限公司 | Control system and control method for user side traffic |
| WO2011110021A1 (en) * | 2010-09-29 | 2011-09-15 | 华为技术有限公司 | Policy control method, system and policy controller |
| CN102571368B (en) * | 2010-12-27 | 2016-01-20 | 中兴通讯股份有限公司 | A kind of charging method and access device |
| CN105024830B (en) * | 2014-04-30 | 2018-03-02 | 中国电信股份有限公司 | The methods, devices and systems of online charging management are realized based on charging message |
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| CN1464662A (en) * | 2002-06-06 | 2003-12-31 | 华为技术有限公司 | Mobile phone user authentication charging method supporting grouped data prepayment characteristic |
| US6741687B1 (en) * | 2002-03-04 | 2004-05-25 | Sprint Spectrum L.P. | System and method for providing prepaid communications |
| CN1635726A (en) * | 2003-12-29 | 2005-07-06 | 华为技术有限公司 | Method for implementing CDMA20001X packet prepay service |
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| US6741687B1 (en) * | 2002-03-04 | 2004-05-25 | Sprint Spectrum L.P. | System and method for providing prepaid communications |
| CN1464662A (en) * | 2002-06-06 | 2003-12-31 | 华为技术有限公司 | Mobile phone user authentication charging method supporting grouped data prepayment characteristic |
| CN1635726A (en) * | 2003-12-29 | 2005-07-06 | 华为技术有限公司 | Method for implementing CDMA20001X packet prepay service |
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