CN1852385A

CN1852385A - Method and system for realizing prepayment business for communication network

Info

Publication number: CN1852385A
Application number: CN 200510077605
Authority: CN
Inventors: 刘靖
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2005-06-17
Filing date: 2005-06-17
Publication date: 2006-10-25
Anticipated expiration: 2025-06-17
Also published as: CN100558135C

Abstract

The invention is suitable to DO access network of packet data in high speed. The system sets up binding relation among prepaid mobile terminal NAI, IMSI, MDN in OSS, and adds new interface between ANAAA and OSS of DO access network. Through the said new interface, the method sends down binding relation to ANAAA; and through the current interface, sends down binding relation to AAA in core network. The method includes steps: when comm. service is carried among prepaid mobile terminals, ANAAA assigns IMSI of binding to corresponding NAI of prepaid mobile terminal as mobile terminal id in network to the prepaid mobile terminal; based on IMSI, AAA server sends MDN being looked up corresponding binding as prepaid mobile terminal id to SCP for carrying out account maintenance process of prepaid service; based on allotted money, the prepaid mobile terminal carries out comm. service. The invention realizes prepaid service under DO network accorded with intelligent network.

Description

A kind of method and system that in communication network, realize prepayment service

Technical field

The present invention relates to the prepayment service implementation method of communication network, relating in particular in code division multiple access (CDMA) 1x network and high-speed grouped data network (EVDO) network matches with intelligent network realizes the method and system of prepayment service.

Background technology

In the business that current communication system provides, a kind of prepayment service is arranged.Prepayment service is a kind of business of user's service of buying certain amount of money in advance, and for example this service is presented as the service time or the data traffic of some in the data prepayment service.In this prepayment service, pre-payment network element device real-time tracking user is to the operating position of purchasing resource, the operating position of time or flow for example, and according to the current operating position current cost of use of deduction from the user account remaining sum in real time.

Present prepayment service mainly provides by intelligent network.The registration number of memory mobile terminal and its corresponding account in the Service Control Point of intelligent network, the amount of money that the storage user supplements with money among the account is safeguarded the amount of money in respective account according to portable terminal to the operating position of purchasing resource by SCP.

For radio communication access network especially code division multiple access (CDMA) network, portable terminal is travelling carriage (MS), adopts travelling carriage number book number (MDN) the registration account of MS in SCP.MDN be in the CDMA 1X network to the sign of MS, be user oriented termination number, user's cell-phone number for example: 13600008888.In addition, in CDMA 1x network, also use user network access sign (NAI) and IMSI International Mobile Subscriber Identity (IMSI) that MS is identified.Wherein, NAI is mainly used in the access of wireless network, its form for example: user name @ domain name; Comprise national code, network code and user profile among the IMSI, be mainly used in charging.

Fig. 1 is for realizing the networking structure figure of MS prepayment service in the existing CDMA 1x network.Referring to Fig. 1, mainly comprise wireless network (RN), packet data serving node (PDSN)/prepayment client (PPC), Authorization, Authentication and Accounting (AAA) server, prepaid server (PPS), Service Control Point and Integrated Service Management Platform (OSS) in this networking.Wherein:

1, RN provides wireless access function, distributes interface-free resources, maintenance interface link, E-Packets, produces charge information etc.This RN is an equipment for radio access network, also is the CDMA 1x network equipment.

2, two functional entity logics of PDSN and PPC are separated, the physics unification.PDSN/PPC is as prepayment client, and responsible NAI or IMSI quota application of pressing MS monitored Quota Usage.Spendable time or the flow of described quota as being distributed.

3, set in advance the NAI of storage pre-payment MS or IMSI mapping relations in the aaa server to MDN, be responsible for the authentication and authorization of MS, and transmit the data call authentication request and give PPS, obtain the authorization message of this user prepayment business, whether the remaining sum of judging the user allows the user to use data service, and according to user's operating position real-time deduction.Under the situation of the roaming of pre-payment MS, visit ground AAA supports to forward the message to ownership place AAA by the roaming strategy.

4, PPS is used for applying for the spendable amount of money to SCP, converts the amount of money to user spendable quota.The expense that the maintenance customer has used, situations such as remaining cost, the next amount of money that distributes to the user of decision.

Two functional entitys of above-mentioned AAA and PPS generally also are that logic is separated, the physics unification.

Above-mentioned PDSN, PPC, aaa server and PPS belong to equipment of the core network.

5, SCP is used for to the professional spendable amount of money of MS distribute data, and the amount information in the maintenance customer MDN respective account.Generally speaking, the shared SCP of packet domain and circuit domain, the same account of the data of pre-payment MS and speech business is according to the MDN unified management of MS.

6, OSS is used to realize the unified account of different business and unified administration interface, and all there is OSS separately in each big operator at present.

When pre-payment MS user registers prepayment service,, the NAI of pre-payment MS or the IMSI mapping relations to MDN are set at ownership AAA at ownership AAA and SCP create account user; Account information and mapping relations can issue and be stored among pre-payment MS ownership AAA and the SCP by OSS.When pre-payment MS communicates, send the 1x IMSI of MS or NAI to PDSN/PPC by RN; PDSN/PPC receives that the back sends the access request message and carries out authentication and authorization to AAA; Aaa authentication and authorizes successfully after, search the IMSI that stores in advance mapping relations to MDN according to NAI or IMSI, obtain the MDN of this pre-payment MS, the amount of money application request that PPS carries MDN to the SCP transmission.Whether the SCP inspection user is legal and whether remaining sum arranged, pre-payment amount information according to this MDN inquiry self storage, distribute the spendable amount of money of data service of being asked for this pre-payment MS, this part amount of money of deduction from the remaining sum of this MDN corresponding account, PPS is converted to the operable quota of MS according to the customer service rate with this amount of money, for example allow the flow or the time of use, allocated quota is returned to AAA; AAA returns to PDSN with quota, PDSN allows this pre-payment MS to communicate, and the operating position of monitoring quota, data traffic or time when for example monitoring MS communication, and these operating position information are sent to AAA, SCP is according to user's operating position real-time deduction.

In addition, also unified MDN by MS identifies MS in the Wireless Application Protocol Gateway among the CDMA 1x (WAPGW), and the interface that WAPGW provides by AAA is safeguarded this MDN and user profile in service server, be used for providing WAP business to MS user.

The above-mentioned example that communicates for the direct visiting home of pre-payment MS user ground AAA.Prepaid network structural representation when Fig. 2 roams for pre-payment MS.Referring to Fig. 2, under the situation of pre-payment MS user roaming, visit the aaa server support on ground and handle to the ownership place aaa server by the tactful access request message of transmitting of roaming.

The evolution development respectively of current CDMA 1x network and intelligent network, CDMA 1x network develops to high-speed grouped data network (EVDO) evolution, this EVDO network is also referred to as the DO Access Network, abbreviate the DO network as, because the DO network is pure packet field network, has increased Access Network authentication (ANAAA) server newly, is used for MS user is carried out the access authentication mandate, and have only NAI in the portable terminal, do not have IMSI and MDN.When portable terminal communicates, at first by the authentication and authorization of access network (AN) to ANAAA request Access Network, ANAAA returns an IMSI to portable terminal according to the NAI of portable terminal, and portable terminal carries out the follow-up business flow process with this IMSI as the sign of this terminal in this communication again.The employed IMSI of portable terminal per call portable terminal may be different, and portable terminal does not have MDN in grouping (DO) data service process.

Yet intelligent network still generally adopts MDN that portable terminal is identified in evolution process.Therefore existing CDMA 1x premium-paid plan can't be applicable to the DO network.Also there be not a kind of can the cooperation to carry out the method for prepayment service in the DO network with the SCP of intelligent network.

Summary of the invention

In view of this, provide a kind of method that in communication network, realizes prepayment service during main purpose of the present invention, can be in the DO network cooperates the realization prepayment service with intelligent network.

Another object of the present invention provides a kind of system that realizes prepayment service, realizes prepayment service to cooperate with intelligent network in the DO network.

To achieve these goals, main technical schemes of the present invention comprises:

A kind of method that realizes prepayment service in communication network is applicable to HRPD (high rate packet data) DO Access Network, and this method comprises:

When the pre-payment portable terminal communicates business, the authentication ANAAA server of DO Access Network is according to pre-payment mobile terminal user network access Identifier NAI default in self and the binding relationship of IMSI International Mobile Subscriber Identity IMSI, and the IMSI of the unique correspondence of NAI of this pre-payment portable terminal is distributed to this pre-payment portable terminal as the sign of portable terminal in network;

Authentication aaa server in the core net is preset in the IMSI of the pre-payment portable terminal in self and the binding relationship of MDN according to the IMSI inquiry of distributing to portable terminal, the MDN of this IMSI correspondence is sent to the accounts maintenance that SCP carries out prepayment service as the sign of pre-payment portable terminal to be handled, and issuing the amount of money that is distributed by SCP, the pre-payment portable terminal communicates business according to the amount of money that is distributed.

Preferably, described on the ANAAA server default described NAI and IMSI binding relationship and on aaa server the method for the binding relationship of default described IMSI and MDN be:

When the pre-payment portable terminal is opened an account registration, on Integrated Service Management Platform OSS, set up NAI, the IMSI of this pre-payment portable terminal and the binding relationship of MDN; Between OSS and ANAAA server, increase interface, the binding relationship of NAI and MDN is handed down to the ANAAA server, this binding relationship of ANAAA server stores by this interface; By the interface between OSS and the aaa server binding relationship of IMSI and MDN is handed down to aaa server, aaa server is stored this binding relationship.

Preferably, when described pre-payment portable terminal is that CDMA 1x/DO mode mobile terminal and described communication network are when being CDMA 1x/DO hybrid network, described IMSI is the 1x IMSI of this pre-payment portable terminal in the CDMA1x network, and described MDN is the 1x MDN of this pre-payment portable terminal in CDMA 1x network.

Preferably, when described pre-payment portable terminal carries out the CDMA 1x/DO mode mobile terminal of prepayment service and described communication network as the DO network for using CDMA 1x prepaid card, described IMSI is the 1x IMSI of this pre-payment portable terminal in CDMA 1x network, and described MDN is the 1x MDN of this pre-payment portable terminal in CDMA 1x network.

Preferably, when described pre-payment portable terminal carries out the CDMA 1x/DO mode mobile terminal of prepayment service and described communication network as the DO network for using DO special use prepaid card, described IMSI is the 1x IMSI of this pre-payment portable terminal in CDMA 1x network, and described MDN is the virtual MDN that generates according to this IMSI.

Preferably, when described pre-payment portable terminal is that DO single mode portable terminal and described communication network are when being the DO network, described IMSI is the IMSI according to the NAI unique distribution of this pre-payment portable terminal in the DO network, and described MDN is the virtual MDN that generates according to this IMSI.

The described method that generates virtual MDN according to IMSI is: utilize behind the IMSI 8 to add the mode of constructing prefix and generate virtual MDN, wherein prefix comprises: national code, in order to the Mobile Access Code MAC of sign DO particular virtual MDN.And described virtual MDN does not take number resource real in the mobile communications network.

Detailed process when preferably, described pre-payment portable terminal communicates business comprises:

A, pre-payment portable terminal play calling, send the NAI be solidificated in this pre-payment portable terminal to wireless network AN;

B, AN send described NAI to ANAAA, and request ANAAA carries out the DO authentication and authorization;

C, ANAAA carry out the DO authentication and authorization to the pre-payment portable terminal of described NAI sign, and NAI that inquiry is default and the binding relationship of IMSI will return to AN with the IMSI of described NAI binding;

D, AN send described IMSI or IMSI and NAI to packet data serving node and prepayment client PDSN/PPC;

E, PDSN/PPC send the access request message that carries described IMSI or IMSI and NAI and carry out authentication and authorization to AAA;

F, AAA according to IMSI or IMSI and NAI authentication and authorization success after, IMSI and the binding relationship of MDN that inquiry is default obtain the MDN that described IMSI binds, the amount of money application request of carrying this MDN to the SCP transmission by PPS;

G, SCP carry out authentication once more according to the MDN in the amount of money application request, inquire about the prepayment service account of this MDN correspondence, distribute the spendable amount of money to the user, and this part amount of money of deduction returns to PPS with this amount of money from this account;

H, PPS are converted to the operable quota of MS with this amount of money, and this quota is sent to PDSN by AAA, and PDSN monitors the operating position of quota, and these operating position information are sent to AAA, and real-time deduction is finished in AAA, PPS and SCP cooperation.

A kind of system that realizes prepayment service comprises:

The DO access network equipment is used to insert the call request of portable terminal, for this portable terminal distributes IMSI, and sends this IMSI to equipment of the core network, is this mobile terminal request pre-payment quota;

Equipment of the core network, be used to store default portable terminal IMSI and the binding relationship of MDN, according to the corresponding MDN that binds of portable terminal IMSI inquiry from the DO access network equipment, send this MDN to intelligent network SCP, for this portable terminal application pre-payment amount of money, this amount of money is converted to quota returns to the DO access network equipment;

SCP is used for safeguarding pre-paid account according to the MDN of portable terminal, according to the pre-payment amount of money application distribution amount of money of PPS;

It is characterized in that this system also comprises:

OSS is used to store default pre-payment portable terminal NAI, the binding relationship of IMSI, MDN, and IMSI in the equipment of the core network and the binding relationship of MDN are that this OSS issues;

Interface between OSS and the DO access network equipment, OSS gives the DO access network equipment by the binding relationship that this interface issues described NAI and IMSI; Access network equipment is that portable terminal distributes the IMSI corresponding with its NAI according to this binding relationship.

Preferably, described DO access network equipment comprises:

AN is used for the call request of mobile terminal receive, to the IMSI of this portable terminal of ANAAA server application;

The ANAAA server, receive portable terminal NAI that OSS issues and the binding relationship of MDN by the interface between described OSS and the DO access network equipment, report the portable terminal NAI in the application that this portable terminal is carried out access authentication and mandate according to AN, and inquire about the binding relationship of described NAI and IMSI, the IMSI of portable terminal NAI correspondence is distributed to this portable terminal.

Preferably, described equipment of the core network comprises:

PDSN/PPC is used to receive the IMSI of the portable terminal that the DO access network equipment sends, and be this portable terminal quota application to aaa server, and the situation of monitoring portable terminal use quota;

Aaa server is used to store the binding relationship of described portable terminal IMSI and MDN, receives the quota application, and described portable terminal is carried out Certificate Authority, according to the MDN of the corresponding binding of IMSI inquiry of portable terminal;

PPS is used for sending to SCP the MDN of the portable terminal that aaa server inquires, and is this portable terminal application pre-payment amount of money, and the amount of money that will apply for transfers quota to, distributes to portable terminal.

Beneficial effect of the present invention comprises the following aspects:

1, the NAI of pre-payment portable terminal and the IMSI and the MDN of its unique correspondence are bound in the DO network owing to the present invention, in the DO network, utilize NAI or IMSI to carry out Business Processing as the sign of pre-payment portable terminal, utilize MDN to safeguard pre-paid account among the SCP in intelligent network, realize prepayment service so can be in the DO network cooperate with intelligent network as the sign of pre-payment portable terminal.

2, because the IMSI that binds with pre-payment portable terminal NAI among the present invention can be the 1x IMSI in the CDMA 1x network, the MDN that is bound with NAI also can be the 1x MDN in the CDMA 1x network, so can compatible existing C DMA 1x network, be applicable to the hybrid network of CDMA 1x network, CDMA 1x and DO.

3, because the present invention has bound NAI, the IMSI of pre-payment portable terminal and the fixed relationship of MDN, mobile phone users the registration of opening an account can be during prepayment service by NAI, by IMSI, open an account by the various combinations of MDN and former three, therefore provide flexibly the prepayment service mode of opening an account to the user, be convenient to promoting service.

4, because the present invention has only increased the interface of OSS to ANAAA on hardware, therefore make CDMA 1x network, do not influence the operation of existing prepayment service to the risk minimum that the DO network upgrade brings.

Description of drawings

Fig. 1 is for realizing the networking schematic diagram of MS prepayment service in the existing CDMA 1x network;

Prepaid network structural representation when Fig. 2 roams for pre-payment MS;

Fig. 3 is the described bimodulus AT of first embodiment realizes prepayment service in DO and CDMA 1x hybrid network a networking schematic diagram;

Fig. 4 is the described bimodulus AT of second embodiment realizes prepayment service in pure DO network a networking schematic diagram;

Fig. 5 is the described single mode AT of the 3rd embodiment realizes prepayment service in the DO network a networking schematic diagram.

Embodiment

The present invention will be described below in conjunction with specific embodiments and the drawings.

In the process of DO network evolution, portable terminal adopts dual-mode terminal, or DO single mode AT at CDMA 1x network.Wherein dual-mode terminal can CDMA 1x network and the DO network in compatible the use; DO single mode AT is only to use in the DO network.Be the example explanation realizes prepayment service in DO network, CDMA 1x network or DO and CDMA 1x hybrid network method with bimodulus AT and DO single mode AT respectively below.

First embodiment: dual-mode terminal is realized the method for prepayment service in DO and CDMA 1x hybrid network.

Dual-mode handset has NAI, 1x IMSI and 1x MDN in CDMA 1x network, have only NAI in the DO network, and under the general scene, the NAI in the CDMA 1x network is identical with NAI in the DO network.

Fig. 3 is the described dual-mode terminal of first embodiment is realized prepayment service in DO and CDMA 1x hybrid network a networking schematic diagram.Referring to Fig. 3, mainly comprise DO access network equipment, equipment of the core network, intelligent network SCP and OSS in this networking, wherein the DO access network equipment mainly comprises AN and ANAAA server; Equipment of the core network mainly comprises PDSN/PPC and AAA/PPS.

From the angle of service operation, general packet domain core network and the shared intelligent equipment of circuit domain, the same account of advanced charge user data and voice, and also MDN unified management and charging are still got used to using by operator.Therefore also mainly utilize MDN to realize prepayment service among the present invention.

When the dual-mode terminal user registers prepayment service, NAI, the 1x IMSI of storage prepaid terminal and the binding relationship of 1x MDN are set at OSS.User oriented terminal iidentification can be NAI, 1x IMSI, 1x MDN or this three's of this dual-mode terminal a combination in any.Issue and be stored among the ownership AAA of this prepaid terminal by the binding relationship of the interface between the ownership AAA of existing OSS and prepaid terminal 1x IMSI and 1x MDN; Increase interface between OSS and ANAAA, this interface mechanism is identical with interface between OSS and the AAA, and by this interface the binding relationship of NAI, 1x IMSI and 1x MDN is handed down to ANAAA; SCP sets up the account of this 1x MDN correspondence by existing account management system, and utilizes existing method to safeguard this account.

Referring to Fig. 3, when communicating, realizes dual-mode terminal that the idiographic flow of prepayment service comprises in the DO network:

Step 301, terminal make a call, and send the NAI be solidificated in the terminal to AN.

Step 302, AN send described NAI to ANAAA, and request ANAAA carries out the DO authentication and authorization.

Step 303, ANAAA carry out the DO authentication and authorization to the terminal of described NAI sign, NAI that inquiry is stored and the binding relationship of 1x IMSI, and the 1x IMSI that will bind with the NAI of this terminal returns to AN.

Step 304, AN send 1x IMSI or 1x IMSI and NAI to PDSN/PPC.

Step 305, PDSN/PPC send the access request message that carries 1x IMSI or 1x IMSI and NAI and carry out authentication and authorization to AAA.

After step 306, aaa authentication and the mandate success, AAA is according to 1x IMSI that inquires about storage in advance and the binding relationship of 1x MDN, obtain the 1x MDN that the 1x IMSI of current terminal is bound, transmit the data call authentication request of carrying NAI, 1x IMSI and MDN to PPS; The implementation of PPS is identical with the implementation of prior art PPS among the present invention, and PPS sends amount of money application request to SCP, wherein carries this 1x MDN, and carries out next step; If the terminal of described NAI or 1x IMSI sign is not the prepaid user, then process ends is carried out normal post payment service flow process.

Step 307, SCP carry out authentication once more according to the 1x MDN in the amount of money application request, and according to the corresponding account of 1xMDN inquiry, distribute the spendable amount of money to the user, and this part amount of money of deduction returns to PPS with the amount of money from this 1x MDN corresponding account.

Step 308, PPS are converted to the operable quota of MS with this amount of money, for example allow the flow or the time of use, allocated quota is returned to AAA, finally return to PDSN, the operating position of PDSN monitoring quota, for example monitoring user uses data traffic or the time when professional, and these operating position information are sent to AAA, and AAA, PPS and SCP cooperate and finish real-time deduction.If prepaid user's remaining sum is 0, process ends.

The above-mentioned example that communicates for the direct visiting home of pre-payment dual-mode terminal user ground AAA.When the pre-payment dual-mode terminal under roaming condition, no matter be the dual-mode terminal of separation between machine and card, or the unseparated single-mode terminal of machine card, can visit the ANAAA of ownership place by the ANAAA on visit ground, and utilize NAI to obtain the IMSI of unique binding from the ANAAA of ownership place, processing under the roaming condition is same as the prior art, herein Ao Shu no longer.

The flow process of realization prepayment service was identical when CDMA 1x single mode MS communicated in CDMA 1x network in the flow process that realizes prepayment service in CDMA 1x network when bimodulus AT communicates and the prior art, herein Ao Shu no longer.

In addition, also adopt 1x MDN to come marking terminal among the WAPGW of DO network, the interface that WAPGW provides by AAA is safeguarded this 1x MDN and user profile in service server, be used for providing WAP business to the terminal use.

Second embodiment: dual-mode terminal is realized the method for prepayment service in pure DO network.

Fig. 4 is the described dual-mode terminal of second embodiment is realized prepayment service in pure DO network a networking schematic diagram.Referring to Fig. 4:

When the prepaid terminal user registers prepayment service, because dual-mode terminal does not have MDN under the DO pattern, thus at first distribute unique 1x IMSI at ANAAA for this dual-mode terminal by NAI, and be mapped as MDN.According to concrete operation strategy, if the DO network still uses the prepaid card of 1x, then described MDN is the 1x MDN of this pre-payment portable terminal in CDMA 1x network; If sell DO network-specific prepaid card, described MDN is the virtual MDN that generates according to this IMSI.This virtual MDN does not take real number resource, its generating mode can have multiple, for example can adopt behind the 1x IMSI 8 to add the mode of constructing prefix and generate, wherein prefix comprises: national code and Mobile Access Code (MAC), Mobile Access Code is present non-existent section, with the virtual MDN of sign DO special use; This virtual MDN can be to the user as seen, also can be invisible to the user.More preferably, adopt prepaid card in the CDMA 1x network among this second embodiment altogether.User oriented terminal iidentification can be the combination in any of NAI, 1x IMSI, 1x MDN or the former three of this dual-mode terminal.Set the binding relationship of described prepaid terminal NAI, 1x IMSI, 1x MDN among the OSS, issue and be stored among the ownership AAA of this prepaid terminal by the binding relationship of the interface between the ownership AAA of existing OSS and prepaid terminal with 1x IMSI and 1xMDN; Between OSS and ANAAA, increase interface, and the binding relationship of NAI and 1x IMSI is handed down to ANAAA by this interface; Pre-payment management system by existing SCP sends to SCP with 1xMDN, and SCP sets up the account of this 1xMDN correspondence, and utilizes existing method to safeguard this account.

When bimodulus AT communicates in pure EVDO network, its flow process that realizes prepayment service is identical to step 308 with above-mentioned steps 301, if just adopt the prepaid card of DO network-specific, then above-mentioned steps 301 is replaced by the virtual MDN described in this second embodiment to the 1x MDN in the step 308 and get final product.

In addition, also can identify AT by MDN among the WAPGW of DO network, the interface that WAPGW provides by AAA is safeguarded this MDN and user profile in service server, is used for providing WAP business to AT user.

More than among two kinds of embodiment, AAA has preserved the binding relationship of 1x IMSI and 1xMDN when the user opens an account, PDSN still uses 1x IMSI to charge, AAA will be mapped as 1xMDN from the 1x IMSI of PDSN and pass to SCP, SCP deducts fees to 1xMDN.AAA is same as the prior art to the WAPGW interface.

Above-mentioned two kinds of embodiment only need existing network is increased the configuration interface of Integrated Service Management Platform and AN-AAA, satisfy the demand that present many operators charge by MDN, and are convenient to carrying out fast of cdma network evolution upgrading back prepayment service.

The 3rd embodiment: single mode DO AT realizes the method for prepayment service in the DO network.

Fig. 5 is the described single mode DO of the 3rd embodiment AT realizes prepayment service in the DO network a networking schematic diagram.Referring to Fig. 5:

When pre-payment AT user registers prepayment service, because single mode DO AT does not have MDN and fixing IMSI in the DO network, so at first be mapped as a unique fixing IMSI at unique NAI of ANAAA by this single mode AT, with a unique MDN, this MDN is that a virtual MDN can adopt behind this IMSI 8 to add the mode of constructing prefix and generate virtual MDN, wherein prefix comprises: network code, national code, mobile identification number (MSIN) number section, the MSIN section can be filled in non-existent section at present, with the virtual MDN of sign EVDO special use.Then, at OSS the NAI of storage pre-payment AT, the corresponding IMSI that is generated and the binding relationship of MDN are set.User oriented AT sign can be the combination in any of NAI, the IMSI of this single mode AT, virtual MDN or former three.Set the binding relationship of described prepaid terminal NAI, IMSI, virtual MDN among the OSS, issue and be stored among the ownership AAA of this pre-payment AT by the binding relationship of the interface between the ownership AAA of existing OSS and pre-payment AT with IMSI and virtual MDN; Between OSS and ANAAA, increase interface, and the binding relationship of NAI and IMSI is handed down to ANAAA by this interface; Pre-payment management system by existing SCP sends to SCP with virtual MDN, and SCP sets up the account of this virtual MDN correspondence, and utilizes existing method to safeguard this account.

When pre-payment single mode AT communicated in the DO network, its flow process that realizes prepayment service was identical to step 308 with above-mentioned steps 301, just wherein 1x IMSI and 1x MDN was got final product by IMSI described in this 3rd embodiment and virtual MDN replacement.

In addition, also can adopt virtual MDN to identify AT among the WAPGW of DO network, the interface that WAPGW provides by AAA is safeguarded this virtual MDN and user profile in service server, be used for providing WAP business to AT user.

The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with the people of this technology in the disclosed technical scope of the present invention; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.

Claims

1, a kind of method that realizes prepayment service in communication network is applicable to HRPD (high rate packet data) DO Access Network, it is characterized in that this method comprises:

2, method according to claim 1 is characterized in that, described on the ANAAA server default described NAI and IMSI binding relationship and on aaa server the method for the binding relationship of default described IMSI and MDN be:

3, method according to claim 1, it is characterized in that, when described pre-payment portable terminal is that CDMA 1x/DO mode mobile terminal and described communication network are when being CDMA 1x/DO hybrid network, described IMSI is the 1x IMSI of this pre-payment portable terminal in CDMA 1x network, and described MDN is the 1x MDN of this pre-payment portable terminal in CDMA 1x network.

4, method according to claim 1, it is characterized in that, when described pre-payment portable terminal carries out the CDMA 1x/DO mode mobile terminal of prepayment service and described communication network as the DO network for using CDMA 1x prepaid card, described IMSI is the 1x IMSI of this pre-payment portable terminal in CDMA 1x network, and described MDN is the 1x MDN of this pre-payment portable terminal in CDMA 1x network.

5, method according to claim 1, it is characterized in that, when described pre-payment portable terminal carries out the CDMA 1x/DO mode mobile terminal of prepayment service and described communication network as the DO network for using DO special use prepaid card, described IMSI is the 1x IMSI of this pre-payment portable terminal in CDMA 1x network, and described MDN is the virtual MDN that generates according to this IMSI.

6, method according to claim 1, it is characterized in that, when described pre-payment portable terminal is that DO single mode portable terminal and described communication network are when being the DO network, described IMSI is the IMSI according to the NAI unique distribution of this pre-payment portable terminal in the DO network, and described MDN is the virtual MDN that generates according to this IMSI.

7, according to claim 5 or 6 described methods, it is characterized in that, the described method that generates virtual MDN according to IMSI is: utilize behind the IMSI 8 to add the mode of constructing prefix and generate virtual MDN, wherein prefix comprises: national code, in order to the Mobile Access Code MAC of sign DO particular virtual MDN.

8, method according to claim 7 is characterized in that, described virtual MDN does not take number resource real in the mobile communications network.

9, method according to claim 1 is characterized in that, the detailed process when described pre-payment portable terminal communicates business comprises:

10, a kind of system that realizes prepayment service comprises:

It is characterized in that this system also comprises:

11, the system of realization prepayment service according to claim 10 is characterized in that, described DO access network equipment comprises:

12, the system of realization prepayment service according to claim 10 is characterized in that, described equipment of the core network comprises: