CN100502292C - Method for prepayment service switching in code division multiple address network - Google Patents

Method for prepayment service switching in code division multiple address network Download PDF

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CN100502292C
CN100502292C CN 200610112682 CN200610112682A CN100502292C CN 100502292 C CN100502292 C CN 100502292C CN 200610112682 CN200610112682 CN 200610112682 CN 200610112682 A CN200610112682 A CN 200610112682A CN 100502292 C CN100502292 C CN 100502292C
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pdsn
prepaid
aaa
user terminal
source
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CN101102203A (en
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许秀莉
赵佑春
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中兴通讯股份有限公司
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M15/00Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP

Abstract

本发明属于通讯领域,提供了一种实现码分多址网络中预付费业务切换的方法,包括:用户终端移动到所述目标PDSN上并向所述目标PDSN发送MIP注册请求消息;所述目标PDSN向AAA/PPS服务器发送接入请求消息,所述接入请求消息包括请求预付费能力授权的PPAC属性;所述AAA/PPS服务器释放所述用户终端和所述源PDSN的连接;所述AAA/PPS服务器判断允许所述目标PDSN使用预付费功能,并向所述目标PDSN发送接入接受消息,所属接入接受消息包括为预付费功能授权的PPAC属性和为用户分配配额的PPAQ属性;所述目标PDSN与HA交互进行所述用户终端的MIP注册绑定;所述目标PDSN向所述用户终端发送MIP注册响应消息。 The present invention belongs to the field of communications, there is provided a method of prepaid service switching CDMA network, comprising: a mobile user terminal to the target PDSN to the target PDSN sends a MIP Registration Request message; said goals PDSN sends to the AAA / PPS server access request message, the access request message includes a request authorization PPAC prepaid capability attributes; the AAA / PPS server releases the connection to the user terminal and the source PDSN; said AAA / PPS server determines whether to allow the use of the target PDSN prepaid function, and the target PDSN sends an access accept message, the serving access accept message including a prepaid authorization function PPAC properties and attributes for the user-assigned quota PPAQ; the said binding target PDSN for registration of the MIP HA interaction with the user terminal; and the target PDSN sends a MIP registration response message to the user terminal. 本发明使系统可以灵活地为用户提供预付费切换服务,为用户跨PDSN切换时预付费连接不中断提供了可能。 Prepaid connection without interrupting the invention offers the possibility to make the system provides users with the flexibility to switch prepaid services for users across the PDSN switched.

Description

实现码分多址网络中预付费业务切换的方法 Prepaid service switching method implemented in the CDMA network

技术领域 FIELD

本发明属于通讯领域,尤其涉及码分多址(Code Division Multiple Access, CDMA)网络中实现预付费数据业务切换的方法。 The present invention belongs to the field of communications, particularly to a CDMA (Code Division Multiple Access, CDMA) network prepayment method of switching data service implementation.

背景技术 Background technique

语音的预付费业务要求移动用户预先购买一定价值的通话时长,用户使用时,移动网络对其实时计费,从预先购买的通话时长里减去本次通话费用,直到预付金额全部用完。 Long speech prepaid mobile users business requirements in advance to buy a certain value during a call, when the user uses the mobile network to its real-time billing, minus the cost of this call from the talk time purchased in advance until the prepayment amount spent. 预付金额用完后,移动网络通知用户需要再购买通话时长。 Prepayment amount is exhausted, the mobile network notifies the user needs to buy long call. 用户可以重新给其帐号续费,继续使用移动业务。 Users can renew their account again to continue using mobile services.

随着数据业务的发展和开拓,为了更好地为用户提供高质量数据增值业务,需要解决预付费数据业务用户的实时计费问题。 With the development of data services and to develop, in order to better provide high-quality value-added data services for users, need to address the problem of real-time billing prepaid data services users. 预付费数据服务要求用户提前支付一定量服务的费用,例如购买了一定时长的服务,或者购买了一定流量的服务。 Prepaid data services require users to pay a certain amount of service fees in advance, such as buying a certain period of service, or buy a certain amount of traffic services.

预付费数据业务实时计费的实现,解决了以往个别用户利用系统计费延时漏洞透支的问题。 Prepaid data services in real-time billing, to solve the problem in the past few users take advantage of loopholes in the system billing delay overdraft. 运营商通过开展预付费数据业务,可为不同用户提供基于流量、时长、时段、帐户余额、套餐等类型的系列化、个性化计费方式和营销手段。 Operators prepaid data services by conducting, it can provide the flow, duration, time, account balances, packages and other types of series, personalized billing and marketing tools for different users.

CDMA是一种常用的以宽带扩频技术为基础的多址调制技术。 CDMA is a wideband spread spectrum technology to conventional based multiple access modulation techniques. CDMA2000是第三代移动通信的主要模式之一,它不仅提供高质量的话音服务,同时也提供高速的分组数据传输服务。 CDMA2000 is a major mode of third generation mobile communication, which not only provides high-quality voice service, but also provide high-speed packet data transmission service.

随着CDMA技术的广泛应用,CDMA系统以其优越的传输速率,在数据业务应用方面取得了极大的发展,CDMA2000数据业务已成为目前增值业务发展的重要领域。 With the extensive application of CDMA technology, CDMA systems for its superior transfer rates, and achieved great development in data services applications, CDMA2000 data services has become an important area of ​​current development of value-added services. 解决CDMA2000数据业务实时计费的问题有助于运营商强化在移动数据领域已有的差异化竞争优势,扩大用户群,提高盈利能力,并在未来的3G时代将蓬勃兴起的移动数据业务市场上占据先机。 CDMA2000 data services solve problems in real time billing helps operators to strengthen the existing differences of competitive advantage in the field of mobile data, expand the user base, improve profitability, and will be booming in the coming era of 3G mobile data services market take the initiative.

分组预付费业务(Packet Prepaid Service)是一种网络用户先交费,运营商 Packet prepaid services (Packet Prepaid Service) is a network user first payment, operators

6维护用户的帐户信息,用户根据帐户余额享受分组数据服务的业务。 6 maintain user account information, users enjoy business packet data service based on the account balance.

预付费服务器(Prepaid Server)是负责维护用户的帐户余额和状态,与预付费客户端(Prepaid Client)交互完成预付费用户的鉴权和计费的实体。 Prepaid server (Prepaid Server) is responsible for maintaining the user's account balance and status, user interaction is complete prepaid authentication and accounting entity with prepaid client (Prepaid Client).

预付费客户端(PrepaidClient)是核心网中请求预付费服务器对用户的预付费业务进行授权,对用户使用情况实时跟踪和处理的实体。 Prepaid client (PrepaidClient) is the core network requests prepaid server to authorize the payment service user's intervention, the use of real-time tracking and processing user entities.

CDMA系统中,数据业务的预付费客户端(PrePaid Client, PPC) —般由分组数据服务节点(Packet Data Service Node, PDSN)或归属代理(Home Agent, HA)承担。 CDMA systems, prepaid data services client (PrePaid Client, PPC) - as a Packet Data Serving Node (Packet Data Service Node, PDSN) or home agent (Home Agent, HA) bear. 其预付费功能的实现是PPC与鉴权、授权及计费服务器(Authentication&Authorization&Accounting, AAA) /预4寸费月艮务器(PrePaid Server, PPS)采用扩展拨入用户远端认证(Remote Authentication Dial-In User Service, RADIUS)消息的交互来实现。 Achieve its prepaid function is PPC and authentication, authorization and accounting server (Authentication & Authorization & Accounting, AAA) / 4-inch pre-dated that works to control costs (PrePaid Server, PPS) using remote authentication dial-in user extensions (Remote Authentication Dial- interaction in User Service, RADIUS) message to implement.

CDMA系统通过PDSN或/和HA和AAA/PPS配合实现了基于流量和基于时长的分组数据预付费业务。 CDMA systems PDSN and / or HA and AAA / PPS-based traffic and with the realization of a long packet data-based prepaid service. 其中,为实现分组预付费业务,PDSN或/和HA 驻留有预付费客户端PPC功能,负责配额申请、更新,并监控配额使用情况。 Among them, for the realization of the packet prepaid services, PDSN and / or HA resides prepaid client PPC function, responsible for quota applications, update, and monitor quota usage. PPS是一个逻辑实体,负责费率换算和维护用户配额状态;PPS既可以驻留在AAA中,也可以是一个独立的物理实体。 PPS is a logical entity that is responsible for maintenance of user and conversion rate quota status; PPS can reside both in AAA, may also be a separate physical entity.

在用户接入时,PPC发送鉴权请求(Radius Access-Request)消息给AAA/PPS,请求预付费的授权,AAA/PPS判断用户为预付费用户,并有正的余额,授权配额(Quota)及门限(Threshold)等预付费业务信息给PPC, PPC 开始为用户提供预付费业务,同时监控配额的使用情况;当预付费配额消耗达到预授权的门限时,PPC发送在线配额更新请求(On-line Radius Access-R叫uest)消息,为当前会话申请新的可用配额;当用户配额使用完或用户中途下线时,PPC发送在线配额更新请求消息,归还剩余配额,以便AAA/PPS执行扣款。 When the access authorized user, the PPC sends an authentication request (Radius Access-Request) message to the AAA / PPS, requesting prepaid, AAA / PPS determines that the user is a prepaid user, and has a positive balance, the authorization quota (Quota) and threshold (threshold) and other prepaid service information to the PPC, PPC began to provide users with prepaid services, while monitoring the use of quotas; when prepaid quota consumption reaches pre-authorized threshold, PPC send online quota update request (On- line Radius Access-R called uest) message, to request a new quota available for the current session; when the user is finished using quota user or offline way, the PPC will send online quota update request message, the return of the remaining quota, for AAA / PPS performed charges .

在鉴权请求或在线配额更新请求消息中,会包含相应的一些特定的预付费业务属性,以下对一些预付费业务属性进行简单的描述。 Or in online authentication request quota update request message, it contains the corresponding specific properties of prepaid service, the prepaid service for some simple attribute description.

预付费计费能力(Prepaid Accounting Capability, PPAC) : PPC利用该属性向AAA/PPS通报其支持的预付费能力,PPS利用该属性授权选择的预付费方式。 Prepaid billing capabilities (Prepaid Accounting Capability, PPAC): PPC use this property to inform its ability to support prepaid AAA / PPS, PPS authorized the use of the property selected prepaid. 取值包括基于流量、基于时长及基于流量和时长三种。 Including flow values ​​based on long and three traffic-based duration and based. 如果PPC向PPS发送的接入请求消息中不包含该属性,表示客户端不具备预付费能力,当前会话不能使用预付费业务。 If the access PPC request message sent to the PPS not included in the attribute of the client does not have the ability to pre-paid, the current session is not pre-paid services.

预付费计费配额(Prepaid Accounting Quota, PPAQ):指示在分组业务中授权或使用的流量或时长配额信息,包括授权额度、门限或已使用配额等。 Prepaid charging quota (Prepaid Accounting Quota, PPAQ): indicates the flow authorized or used in packet services or duration quota information, including the authorized amount, threshold or quota has been used. 当用户上线时,预付费客户端发送鉴权请求给AAA/PPS请求鉴权,AAA/PPS判断此用户为预付费用户,并有正的帐户余额,分配时长或流量配额给PPC,PPC 根据配额为用户提供基于时长或流量的预付费服务。 When a user logs in, the prepaid client sends an authentication request to the AAA / PPS request authentication, AAA / PPS determines the user is a prepaid user, and a positive account balance, length or flow rate quota allocation to the PPC, PPC according to the quota to provide users with pre-duration or the flow of fee-based services. 在为用户提供预付费服务过程中,预付费客户端采用在线更新配额消息返回使用的配额信息,同时请求AAA/PPS为用户分配新的配额。 To provide users with prepaid service process, pre-paid clients using online update quota message for return to quota information, and request AAA / PPS assigned a new quota for the user. 由此,实现用户数据业务的实时扣费功能。 As a result, real-time chargeback functionality user data traffic.

会话终止能力(Session Termination Capability, STC) : PPC利用该属性向AAA/PPS通报其支持的会话终止能力。 The ability to terminate a session (Session Termination Capability, STC): PPC use this property to inform the session terminates its ability to support the AAA / PPS. 这个属性包含在发送给AAA/PPS 的RADIUS Access-Request消息中,表明PPC支持RADIUS的动态鉴权及移动IP (Mobile IP, MIP) 4 (版本4)注册撤消,即PPC支持AAA/PPS发送的中断连接请求(Disconnect-Request)消息,并以中断连接确认 This property is included in the RADIUS Access-Request message to the AAA / PPS, it demonstrates the PPC supports dynamic RADIUS authentication and mobile IP (Mobile IP, MIP) 4 (Version 4) registration undone, i.e. PPC supports AAA / PPS transmitted disconnect request (disconnect-request) message, and to interrupt the connection confirmation

(Disconnect-ACK)或中断连接非确认(Disconnect-NAK)消息响应;在中止MIP会话时,如果PDSN或HA发起MIP会话释放,PDSN可以发送注册撤消 (Disconnect-ACK) or negative acknowledgment disconnect (Disconnect-NAK) message in response; when aborting MIP session initiated if the PDSN or HA MIP session release, PDSN may send a registration revocation

(Registration Revocation)通知HA或PDSN注销MIP绑定。 (Registration Revocation) HA or PDSN cancellation notice MIP binding.

在为用户提供数据预付费业务时,很可能出现用户在移动过程中跨越PDSN的情况。 When data to provide users with prepaid service, the user across the PDSN during the move is likely to occur. 现有技术中缺乏为跨PDSN的用户提供连续的不中断的数据预付费业务的技术,这是CDMA系统实现数据预付费业务必须要解决的技术问题。 The prior art lacks provide continuous uninterrupted user data across PDSN prepaid technology business, which is a technical problem CDMA system for data prepaid services must be addressed.

发明内容 SUMMARY

本发明所要解决的技术问题是提供一种实现码分多址网络中预付费数据业务切换的方法,以克服现有技术中跨PDSN的用户数据预付费业务中断,影响分组预付费业务服务质量的问题。 The present invention solves the technical problem is to provide a method for data prepaid service switching CDMA network, to overcome the prior art user data across PDSN prepaid service interruption, packet affect the quality of service of prepaid problem.

为了实现上述目的,本发明提供了三种不同场景下实现码分多址网络中预付费业务的切换方法,在CDMA系统中预付费客户端釆用扩展RADIUS消息与AAA/PPS交互来实现预付费操作,在切换过程中,AAA/PPS请求切换前的预付费客户端终止预付费服务,中断切换前的预付费连接,得到切换前分配的配额使用情况信息,并为切换后新的预付费客户端授权并分配新的配额。 To achieve the above object, the present invention provides three different scenarios CDMA network switching method implemented prepaid service, the prepaid client preclude the CDMA system using the extended RADIUS message AAA / PPS interacting with prepaid operation, during the switching process, AAA / PPS request of advance handover paying clients terminating prepaid service interruption pre-paid before the handover is connected to afford before switching the allocated quota usage information, and paying customers as a new pre-post switch end authorization and allocation of new quotas.

为了实现上述目的,本发明提供了一种实现码分多址系统中预付费业务切 To achieve the above object, the present invention provides a prepaid service for realizing CDMA System cut

换的方法,包括具有预付费功能的源PDSN和具有预付费功能的目标PDSN, 其特点在于,包括如下步骤: In other methods, including the source PDSN prepaid function and the target PDSN prepaid function, characterized by comprising the steps of:

A. 用户终端移动到所述目标PDSN上并向所述百标PDSN发送MIP注册请求消息; A. user terminal moves to the one hundred and subscript PDSN sends a MIP Registration Request message on the target PDSN;

B. 所述目标PDSN向AAA/PPS服务器发送接入请求消息,所述接入请求消息包括请求预付费能力授权的PPAC属性; B. The target PDSN transmits an access to the AAA / PPS server request message, the access request message includes a request authorization PPAC prepaid capability attributes;

C. 所述AAA/PPS服务器释放所述用户终端和所述源PDSN的连接; C. The AAA / PPS server releases the user terminal and the PDSN connected to the source;

D. 所述AAA/PPS服务器判断允许所述目标PDSN使用预付费功能,并向所述目标PDSN发送接入接受消息,所属接入接受消息包括为预付费功能授权的PPAC属性和为用户分配配额的PPAQ属性; D. The AAA / PPS server determines whether to allow the use of the target PDSN prepaid function, and the target PDSN sends an access accept message, the serving access accept message includes attribute PPAC prepaid function for the user authorization and quota allocation the PPAQ property;

E. 所述目标PDSN与HA交互进行所述用户终端的MIP注册绑定; E. The binding target PDSN for registration of the MIP HA interaction with the user terminal;

F. 所述目标PDSN向所述用户终端发送MIP注册响应消息。 F. The target PDSN transmits to the user terminal MIP registration response message. 上述的方法,其特点在于,进一步在所述步骤A之前所述源PDSN为所 The above method, characterized in that, prior to said step A further source PDSN is that the

述用户终端提供预付费服务。 Said user terminal to provide prepaid service.

上述的方法,其特点在于,所述预付费服务是基于时长或基于流量的。 The above method, characterized in that the prepaid service is based on a long-based or flow.

上述的方法,其特点在于,所述AAA/PPS服务器释放所述用户终端和所述源PDSN的连接的步骤进一步包括: The above method, characterized in that, the AAA / PPS server and the user terminal releases the connection to the source PDSN step further comprises:

Cl.所述AAA/PPS服务器判断所述用户终端为已经接入到所述源PDSN 的预付费用户,并向所述源PDSN发送中断连接请求消息; . Cl The AAA / PPS server determines the user terminal has access to the source PDSN to pre-paid subscribers, and sends the interrupt source PDSN connection request message;

C2.所述源PDSN向所述AAA/PPS服务器发送中断连接确认消息,确认释放所述用户终端连接; . C2 is connected to the source PDSN sends an interrupt to the AAA / PPS server acknowledgment message confirming the release of the user terminal is connected;

C3.所述源PDSN向所述AAA/PPS服务器发送切换前所述用户终端使用 Before C3. The source PDSN sending a handover to the AAA / PPS server using the user terminal

的配额信息。 The quota information.

上述的方法,其特点在于,所述步骤D中所述接入接受消息中进一步包含为所述目标PDSN授权的基于流量的预付费功能和相应的在PPAQ属性中包 The above method, characterized in that, in the said step D further comprises an access accept message to the target PDSN based on pre-paid traffic authorization functions and the corresponding attribute package PPAQ

含为所述用户终端分配的流量配额和流量门限。 For the user terminal comprising allocating traffic and traffic threshold quota.

上述的方法,其特点在于,所述步骤D中所述接入接受消息中进一步包含为所述目标PDSN授权的基于时长的预付费功能和相应的在PPAQ属性中包 The above method, characterized in that, in the said step D further comprises an access accept message to the target PDSN prepaid authorization based on the length of the package and corresponding function attributes PPAQ

9含为所述用户终端分配的时长配额和时长门限。 9 when the user terminal comprising allocating a long duration quota and threshold.

上述的方法,其特点在于,所述步骤F后进一步包括所述目标PDSN和所述AAA/PPS服务器在所述用户终端使用预付费业务时进行在线配额更新操作的交互。 The above method, characterized in that, after said step F further includes interactive online quota update operation when the target PDSN and the AAA / PPS server terminal in the prepaid service user.

为了实现上述目的,本发明又提供了一种实现码分多址系统中预付费业务切换的方法,包括具有预付费功能的源PDSN和具有预付费功能的目标PDSN, 其特点在于,包括如下步骤: To achieve the above object, the present invention further provides a method for implementing a prepaid service in a CDMA system switch, includes a source PDSN prepaid function and the target PDSN prepaid function, characterized by comprising the steps of :

A. 所述用户终端移动到所述目标PDSN上并向所述目标PDSN发送MIP 注册请求消息-, A. The user terminal moves to the target PDSN send an MIP registration request message to the target PDSN -,

B. 所述目标PDSN向AAA/PPS服务器发送接入请求消息,所述接入请求消息包括请求预付费功能授权的PPAC属性; B. The target PDSN transmits an access to the AAA / PPS server request message, the access request message comprises a request prepaid authorization function attributes PPAC;

C. 所述AAA/PPS服务器释放所述用户终端和所述源PDSN的连接; C. The AAA / PPS server releases the user terminal and the PDSN connected to the source;

D. 所述AAA/PPS服务器判断不允许所述目标PDSN使用预付费功能, 并向所述目标PDSN发送接入接受消息,所述接入接受消息中包括值为"不使用预付费计费"的PPAC属性; D. The AAA / PPS server determines the target PDSN does not allow the use of prepaid function, and the target PDSN sends an access accept message, the access accept message includes a value of "do not use prepaid charging" the PPAC property;

E. 所述目标PDSN向HA转发所述用户终端的MIP注册请求消息,请求用户终端MIP绑定; E. The target PDSN forwards the MIP user terminal to the HA registration request message, requesting the user terminal MIP binding;

F. 所述HA向所述AAA/PPS服务器发送接入请求消息,所述接入请求消息中包括请求预付费功能授权的PPAC属性; F. The HA sends an access request message to the AAA / PPS server, the access request message includes a request prepaid authorization function attributes PPAC;

G. 所述AAA/PPS服务器向所述HA发送接入接受消息,所属接入接受消息包括为预付费功能授权的PPAC属性和为用户分配配额的PPAQ属性; G. The AAA / PPS server sends an access accept message to the HA, the serving access accept message including a prepaid authorization function PPAC properties and quota allocation to users PPAQ attribute;

H. 所述HA向所述目标PDSN发送MIP注册响应消息; H. The HA transmits to the target PDSN MIP registration response message;

I. 所述目标PDSN向所述用户终端转发所述MIP注册响应消息。 I. The target PDSN forwards the MIP registration to the user terminal response message. 上述的方法,其特点在于,进一步在所述步骤A之前所述源PDSN为所 The above method, characterized in that, prior to said step A further source PDSN is that the

述用户终端提供预付费服务。 Said user terminal to provide prepaid service.

上述的方法,其特点在于,所述预付费服务是基于时长或基于流量的。 The above method, characterized in that the prepaid service is based on a long-based or flow. 上述的方法,其特点在于,所述AAA/PPS服务器释放所述用户终端和所 The above method, characterized in that, the AAA / PPS server releases the user terminal and the

述源PDSN的连接的步骤进一步包括: The step of connecting said source PDSN further comprising:

Cl.所述AAA/PPS服务器判断所述用户终端为已经接入到所述源PDSN Cl. The AAA / PPS server determines that the user has access to the terminal is a source PDSN

的预付费用户,并向所述源PDSN发送中断连接请求消息;C2.所述源PDSN向所述AAA/PPS服务器发送中断连接确认消息,确认释放所述用户终端连接; Prepaid user, and sends the interrupt source PDSN connection request message;. C2 of the source PDSN sends an interrupt to the AAA / PPS server connection acknowledgment message confirming the release of the user terminal is connected;

C3.所述源PDSN向所述AAA/PPS服务器发送切换前所述用户终端使用的配额信息。 C3. The source PDSN sends the AAA / PPS server quota information terminal used by the user before switching.

上述的方法,其特点在于,所述步骤C在所述步骤F之后、所述步骤G 之前执行。 The above method, characterized in that, the step C after said step F., Performed prior to said step G.

上述的方法,其特点在于,所述步骤G中所述接入接受消息中进一步包含为所述目标PDSN授权的基于流量的预付费功能和相应的在PPAQ属性中包 The above method, characterized in that, the said step G comprises the access accept message is further based on the flow rate of the target PDSN authorization prepaid function and corresponding attribute package PPAQ

含为所述用户终端分配的流量配额和流量门限。 For the user terminal comprising allocating traffic and traffic threshold quota.

上述的方法,其特点在于,所述步骤G中所述接入接受消息中进一步包含为所述目标PDSN授权的基于时长的预付费功能和相应的在PPAQ属性中包含为所述用户终端分配的时长配额和时长门限。 The above method, characterized in that the said step G Access Accept message further comprises the target PDSN for the authorized terminal is assigned based on the length and the corresponding prepaid function comprising as the user attribute PPAQ duration quota and duration thresholds.

上述的方法,其特点在于,所述步骤I后进一步包括所述目标PDSN和所述AAA/PPS服务器在所述用户终端使用预付费业务时进行在线配额更新操作的交互。 The above method, characterized in that, after the step I, and further comprises the target PDSN the AAA / PPS server interactive online quota update operation when the user terminal uses a prepaid service.

为了实现上述目的,本发明又提供了一种实现码分多址系统中预付费业务切换的方法,包括具有预付费功能的源PDSN和不具有预付费功能的目标PDSN,其特点在于,包括如下步骤: To achieve the above object, the present invention further provides a method for implementing a prepaid service in a CDMA system switch, includes a source PDSN prepaid function and the target PDSN does not have a prepaid function, characterized in that, comprising step:

A. 所述用户终端移动到所述目标PDSN上并向所述目标PDSN发送MIP 注册请求消息; A. The mobile user terminal and to send an MIP registration request message to the target PDSN over the target PDSN;

B. 所述目标PDSN向AAA/PPS服务器发送接入请求消息,所述接入请求消息不包括请求预付费功能授权的PPAC属性; B. The target PDSN sends an access request message to the AAA / PPS server, the access request message does not include the authorization request prepaid function attributes PPAC;

C. 所述AAA/PPS服务器向所述目标PDSN发送接入接受消息; C. The AAA / PPS server sends an access accept message to the target PDSN;

D. 所述目标PDSN向HA转发所述用户终端的MIP注册请求消息,请求用户终端MIP绑定; D. The target PDSN forwards the MIP user terminal to the HA registration request message, requesting the user terminal MIP binding;

E. 所述HA向所述AAA/PPS服务器发送接入请求消息,所述接入请求消息包括请求预付费功能授权的PPAC属性; E. The HA sends an access to the AAA / PPS server request message, the access request message comprises a request prepaid authorization function attributes PPAC;

F. 所述AAA/PPS服务器释放所述用户终端和所述源PDSN的连接; F. The AAA / PPS server releases the user terminal and the PDSN connected to the source;

G. 所述AAA/PPS服务器向所述HA发送接入接受消息,所述接入接受消息包括为预付费功能授权的PPAC属性和为用户分配配额的PPAQ属性;H. 所述HA向所述目标PDSN发送MIP注册响应消息; The G. AAA / PPS server transmits the access acceptance message to the HA, the access accept message including a prepaid authorization function PPAC properties and attributes for the user PPAQ quota allocation; H to a said HA. the target PDSN sends a MIP registration response message;

I. 所述目标PDSN向所述用户终端转发所述MIP注册响应消息。 I. The target PDSN forwards the MIP registration to the user terminal response message. 上述的方法,其特点在于,进一步在所述步骤A之前所述源PDSN为所 The above method, characterized in that, prior to said step A further source PDSN is that the

述用户终端提供预付费服务。 Said user terminal to provide prepaid service.

上述的方法,其特点在于,所述预付费服务是基于时长或基于流量的。 The above method, characterized in that the prepaid service is based on a long-based or flow.

上述的方法,其特点在于,所述AAA/PPS服务器释放所述用户终端和所述源PDSN的连接的步骤进一步包括: The above method, characterized in that, the AAA / PPS server and the user terminal releases the connection to the source PDSN step further comprises:

Fl.所述AAA/PPS服务器判断所述用户终端为已经接入到所述源PDSN 的预付费用户,并向所述源PDSN发送中断连接请求消息; . Fl The AAA / PPS server determines the user terminal has access to the source PDSN to pre-paid subscribers, and sends the interrupt source PDSN connection request message;

F2.所述源PDSN向所述AAA/PPS服务器发送中断连接确认消息,确认释放所述用户终端连接; . F2 interrupts the connection to the source PDSN sends to the AAA / PPS server acknowledgment message confirming the release of the user terminal is connected;

F3.所述源PDSN向所述AAA/PPS服务器发送切换前所述用户终端使用的配额信息。 F3. The source PDSN sends the AAA / PPS server quota information terminal used by the user before switching.

上述的方法,其特点在于,所述步骤F在所述步骤C之后、所述步骤D 之前执行。 The above method, characterized in that, after the said step F step C, and performed before the step D.

上述的方法,其特点在于,所述步骤G中所述接入接受消息中进一步包含为所述目标PDSN授权的基于流量的预付费功能和相应的在PPAQ属性中包含为所述用户终端分配的流量配额和流量门限。 The above method, characterized in that the said step G Access Accept message further comprises the target PDSN is authorized based on pre-paid function of the flow rate and the corresponding attribute included in PPAQ assigned to the user terminal traffic and traffic quota threshold.

上述的方法,其特点在于,所述步骤G中所述接入接受消息中进一步包含为所述目标PDSN授权的基于时长的预付费功能和相应的在PPAQ属性中包 The above method, characterized in that, the said step G comprises the access accept message is further based on the target PDSN prepaid authorization functions and the length of the corresponding attribute package PPAQ

含为所述用户终端分配的时长配额和时长门限。 When the user terminal comprising allocating a long duration quota and threshold.

上述的方法,其特点在于,所述步骤I后进一步包括所述目标PDSN和所述AAA/PPS服务器在所述用户终端使用预付费业务时进行在线配额更新操作的交互。 The above method, characterized in that, after the step I, and further comprises the target PDSN the AAA / PPS server interactive online quota update operation when the user terminal uses a prepaid service.

本发明提供的方法,使系统可以灵活地为用户提供基于流量或基于时长的预付费切换服务,为用户跨PDSN切换时预付费业务连接不中断提供了可能。 The method of the present invention provides the flexibility to the system to provide users of prepaid long traffic based or service-based handover, the user is connected across PDSN prepaid service is not interrupted when switching may be provided.

附图说明 BRIEF DESCRIPTION

图l是本发明移动基站MS (Mobile Station)跨PDSN切换示意图; Figure l is a mobile station of the present invention, MS (Mobile Station) a schematic cross-PDSN handoff;

图2是现有技术中PDSN承担PPC为MIP用户终端提供预付费服务的流程图; FIG 2 is a flowchart for the PPC MIP user terminal to provide prepaid service in the prior art bear the PDSN;

图3是本发明切换前由源PDSN承担PPC切换后由目标PDSN承担PPC 的切换流程图; FIG 3 is a flowchart showing handover PPC PPC before switching after the switching of the present invention shall be borne by the source PDSN borne by the target PDSN;

图4为本发明切换前由源PDSN承担PPC切换后由HA承担PPC的切换流程图; PPC PPC after switching flowchart of FIG 4 before the handover by the handover of the present invention, the source PDSN borne borne by the HA;

图5为本发明切换前由源PDSN承担PPC切换后由HA承担PPC的另一 PPC before switching after the switching of the present invention in FIG. 5 bear the source PDSN PPC borne by another HA

种切换流程图。 Species flow charts.

具体实施方式 Detailed ways

在CDMA系统中,PDSN承担用户数据业务的接入管理功能。 In the CDMA system, PDSN assume the access management function of the user data traffic. 如果用户采用简单IP的方式接入,PDSN同时承担预付费业务的预付费客户端的功能, 用户在PDSN的覆盖范围内移动时,预付费数据业务保持连接。 If a user using Simple IP access manner, and to assume PDSN prepaid prepaid service function client, the user moves within the coverage area of ​​PDSN prepaid data services remain connected. 如果用户跨PDSN切换,原有的全部数据链接将中断。 If you cross-PDSN handoff, all the original data link will be interrupted.

当用户采用MIP的方式接入,用户跨PDSN切换时,用户的数据业务保持连续。 When the user employs the MIP access mode, the user inter-PDSN handoff, the user data traffic remains continuous. 此时,PDSN或HA可以承担预付费业务的预付费客户端的功能。 In this case, PDSN or HA can assume prepaid prepaid service function client. 用户跨PDSN切换时,为保持预付费业务的连接,可分以下几种情况: When users across PDSN handoff, in order to maintain a prepaid connection service, can be divided into the following situations:

第一,用户接入时预付费功能的PDSN承担PPC,用户从预付费功能的PDSN切换到新的具有预付费功能的PDSN,此时,新的PDSN可以担PPC的功能,也可以由HA承担PPC的功能。 First, pre-paid user to access the PDSN functions bear the PPC, the user switches from the prepaid function PDSN to PDSN prepaid new function, in which case the new PDSN PPC functions may be supported, may be borne by the HA PPC function.

第二,用户接入时预付费功能的PDSN承担PPC,用户从预付费功能的PDSN切换到新的不具有预付费功能的PDSN,此时,切换后需要由HA提供预付费客户端的功能,才能保证预付费数据业务的连续开展。 Second, the function of the prepaid user to access the PDSN bear PPC, the user switches from the prepaid function PDSN to PDSN does not have a new prepaid function, in which case, after the switching necessary to provide prepaid client function is performed by the HA, in order to prepaid data services to ensure continuous conduct.

第三,用户接入时预付费功能的HA承担PPC,此时由HA为用户提供预付费服务,不涉及PDSN之间预付费的切换问题,HA在切换前后, 一直承担预付费客户端的功能,预付费数据业务保持连续。 Third, when the user accesses a prepaid HA functionality assume PPC, this time by the HA to provide prepaid service for the user, does not involve the problem of switching between the PDSN prepaid, HA before and after the handover, it has been responsible for the prepaid client functionality, prepaid data services remain continuous.

综合上述三种情况,本发明针对以下三种情况,提供实现预付费业务的切换方法,其中切换前用户接入的PDSN为源PDSN,切换后用户接入的PDSN 为目标PDSN: Taking these three cases, the following three cases for the present invention, there is provided a method to achieve switching of the prepaid service, wherein the access of the user before switching the source PDSN PDSN, the PDSN handover user accesses the target PDSN:

1.源PDSN与目标PDSN都具有预付费功能,切换前由源PDSN承担PPC, 切换后由目标PDSN承担PPC;2. 源PDSN与目标PDSN都具有预付费功能,切换前由源PDSN承担PPC, 切换后由具有预付费功能的HA承担PPC; 1 are the source PDSN and target PDSN prepaid function, before switching from the source PDSN borne PPC, the PPC is switched borne by the target PDSN;. 2 both the source PDSN and target PDSN prepaid function, before switching from the source PDSN borne PPC, after switching borne by the HA of the prepaid function the PPC;

3. 源PDSN具有预付费功能,目标PDSN无预付费功能,切换前由源PDSN 承担PPC,切换后由具有预付费功能的HA承担PPC。 3. the source PDSN prepaid function, the target PDSN without prepayment function, before switching from the source PDSN borne PPC, the PPC after switching borne HA prepaid function.

对具有预付费功能的PDSN或HA来说,必须支持请求注解(Request For Comments, RFC) 3576定义的动态鉴权扩展。 PDSN or HA for prepaid function, it must support the Request for Comments (Request For Comments, RFC) 3576 Dynamic authentication extension defined. 当AAA/PPS决定需要中止预付费服务时,可以发送中断连接请求Disconnect-Request消息给预付费客户端, 预付费客户端以中断连接确认Disconnect-Ack消息响应,并中止当前的预付费数据会话。 When the AAA / PPS determines the need to stop a prepaid service, you may send a disconnect request Disconnect-Request message to the prepaid client, the prepaid client to interrupt the connection confirmation Disconnect-Ack message in response, and to abort the current prepaid data session.

同时,具有预付费功能的PDSN或HA还必须支持RFC3543定义的MIP4 的注册撤销。 Deregistration Meanwhile, the prepaid function PDSN or HA must also support RFC3543 definition of MIP4. 当PDSN或HA释放MP的会话,通过发送注册撤销Registration Revocation消息给相应的HA或PDSN, HA或PDSN以注册撤销确认Registration Revocation Acknowledgement消息响应,并删除MIP4的绑定。 When the MP release PDSN or HA session by sending a registration message to a Registration Revocation withdraw the respective HA or PDSN, PDSN or HA to confirm deregistration message Registration Revocation Acknowledgement response, and remove the binding of MIP4.

下面进一步结合附图对技术方案的实施作详细描述。 Further below in conjunction with accompanying drawings of embodiments of the technical solutions described in detail.

图1为本发明用户终端MS跨PDSN切换示意图,其中: Figure 1 of the present invention a user terminal MS schematic cross-PDSN handoff, wherein:

用户终端MS 10采用MP的方式接入源PDSN,在进行数据业务过程中, 从源PDSN切换到目标PDSN。 MS 10 using the user terminal access to the source PDSN MP manner, during the data service during handover from the source PDSN to the target PDSN.

源PDSN 11为用户终端MS提供数据业务接入;在实现预付费业务过程中,可为MS提供预付费的控制; Source PDSN 11 provides data for the user terminal MS service access; prepaid service in the process, may provide control for prepaid MS;

目标PDSN 12提供用户终端MS切换后的接入;在实现预付费业务过程中,可以根据AAA/PPS的授权承担PPC功能。 Target PDSN 12 provides the user access to the terminal MS switches; During the implementation of the prepaid service, the authorization function can assume PPC AAA / PPS of.

AAA/PPS 13为用户终端MS提供鉴权,预付费业务的授权及配额管理、 分配等功能。 AAA / PPS 13 to terminal MS user provide authentication, authorization and prepaid quota management services, distribution and other functions.

归属代理HA 14为用户终端MS提供MIP接入的绑定,与PDSN配合实现MIP的接入管理功能;在实现预付费业务过程中,可以根据AAA/PPS的授权承担PPC功能。 The home agent HA 14 to provide access for the MIP binding the MS user terminal, and with the realization of MIP PDSN access management function; prepaid service in the process, can assume the PPC function as authorized AAA / PPS of.

基站控制器/分组控制功能(Base Station Controller/ Packet Control Function, BSC/PCF),提供系统无线接入,同时提供无线与分组的接口。 Base station controller / packet control function (Base Station Controller / Packet Control Function, BSC / PCF), providing wireless access, while providing an interface with the wireless packet.

图2为现有技术中PDSN承担PPC为MIP用户提供预付费服务的流程图, 图中PDSN具有预付费能力,为MIP用户提供基于流量的预付费服务;具体 FIG 2 is a flowchart for the MIP PPC prepaid service users with the prior art bear the PDSN, the PDSN prepaid FIG capability to provide users based MIP pre-paid service traffic; specific

14步骤如下: 14 steps:

步骤201:用户终端发送MIP注册请求消息给PDSN,请求进行MIP的注册; Step 201: the user terminal send an MIP registration request message to the PDSN, the MIP registration request;

步骤202: PDSN对用户终端进行鉴权,发送接入请求(Access-Request) 消息给AAA/PPS服务器,消息中包括请求基于流量预付费能力的PPAC及STC 属性; Step 202: PDSN authenticates the user terminal, transmits an access request (Access-Request) message to the AAA / PPS server, and the message includes a request attribute PPAC and STC prepaid capability based traffic;

步骤203: AAA/PPS判断用户为预付费用户,并允许PDSN使用基于流量的预付费功能,返回接入接受(Access-Accept)消息给PDSN,消息中包括带基于流量预付费授权的PPAC属性及带流量配额(Volume Quota, VQ)及流量门限(Volume Threshold, VT)的PPAQ属性; Step 203: AAA / PPS determines that the user is a prepaid user, and allow the PDSN based flow pre-paid function returns an access acceptance (Access-Accept) message to the PDSN, with PPAC message includes attribute-based traffic and authorized a prepaid with a flow rate quota (Volume quota, VQ) and the traffic threshold (Volume threshold, VT) of PPAQ property;

步骤204: PDSN与HA交互进行用户终端的MIP注册绑定; Step 204: PDSN registration for MIP HA binding interaction with a user terminal;

步骤205: PDSN给用户终端返回MIP注册响应消息; Step 205: PDSN to the user terminal returns MIP registration response message;

步骤206: PDSN与AAA/PPS在用户进行预付费数据业务过程中,进行 Step 206: PDSN and the AAA / PPS prepaid user data in the course of business, for

在线配额更新操作的交互。 Online quotas update interaction.

图3为本发明切换前由源PDSN承担PPC切换后由目标PDSN承担PPC 的切换流程图,其中,源PDSN及目标PDSN都具有预付费能力,源PDSN 及目标PDSN为用户提供基于流量的预付费功能。 Before switching borne by the source PDSN handoff flowchart PPC PPC after switching borne by the target PDSN, wherein the source PDSN and target PDSN prepaid have the ability to FIG. 3 of the present invention, the source PDSN and target PDSN for the user traffic based on a pre Paid Features. 具体步骤如下: Specific steps are as follows:

步骤301:源PDSN为用户提供基于流量的预付费服务; Step 301: Based on the source PDSN to provide users with a pre-paid service traffic;

步骤302:用户终端移动到新的具有预付费功能的目标PDSN上,并发送MIP注册请求给目标PDSN; Step 302: the user terminal moves to a new target PDSN prepaid function, and send an MIP registration request to the target PDSN;

步骤303:目标PDSN对用户终端进行鉴权,发送带请求基于流量预付费功能的PPAC的接入请求消息给AAA/PPS服务器; Step 303: the target PDSN authenticates the user terminal sends a request message based on the access request with PPAC prepaid traffic function to AAA / PPS server;

步骤304: AAA/PPS判断用户为已经接入到源PDSN的预付费用户,发送中断连接请求消息给源PDSN,请求源PDSN释放用户连接,并返回配额的使用情况; Step 304: AAA / PPS determines that the user has access to the source PDSN to the pre-paid users, sending an interrupt connection request message to the source PDSN, PDSN to release the request source user is connected, and return to the use of quotas;

步骤305:源PDSN给AAA/PPS返回中断连接确认消息,确认释放用户连接; Step 305: the source PDSN to the AAA / PPS return interrupt the connection confirmation message, the user releases the connection confirmation;

步骤306:源PDSN同AAA/PPS交互配额使用情况,此时源PDSN将切换前用户使用的流量配额信息返回给AAA/PPS; Step 306: the source PDSN with AAA / PPS interaction quota usage, traffic is switched at this time the source PDSN quota information before the user returns to the AAA / PPS;

步骤307: AAA/PPS判断允许目标PDSN使用基于流量的预付费功能,返回接入接受消息给目标PDSN,消息中包括带基于^t量预付费授权的PPAC Step 307: AAA / PPS determines the target PDSN allows use of function-based pre-paid traffic, the access accept message returned to the target PDSN, the message comprising a tape based on the amount of prepaid ^ t authorization PPAC

属性及带流量配额VQ及流量门限VT的PPAQ属性; Property and quotas VQ with flow and traffic threshold VT of PPAQ property;

步骤308:目标PDSN与HA交互进行用户终端的MIP注册绑定; Step 308: the target PDSN and HA binding interactions MIP registration user terminal;

步骤309:目标PDSN给用户终端返回MIP注册响应消息; Step 309: the user terminal returns to the target PDSN MIP registration response message;

步骤310:目标PDSN与AAA/PPS在用户进行预付费数据业务过程中, Step 310: the target PDSN and the AAA / PPS in the prepaid user during the data service,

进行在线配额更新操作的交互。 Quota update interactive online operations.

流程图,其中,源PDSN、目标PDSN及HA都具有预付费功能,源PDSN及HA为用户提供基于流量的预付费功能。 Flow chart, wherein the source PDSN, the target PDSN and HA functions are prepaid, the source PDSN and HA-based pre-paid users to provide the flow features. 具体步骤如下: Specific steps are as follows:

步骤401:源PDSN为用户提供基于流量的预付费服务; Step 401: Based on the source PDSN to provide users with a pre-paid service traffic;

步骤402:用户终端移动到新的具有预付费功能的目标PDSN上,发送MP注册请求给目标PDSN; Step 402: the user terminal moves to a new target PDSN prepaid function, MP transmits a registration request to the target PDSN;

步骤403:目标PDSN对用户终端进行鉴权,发送带请求预付费功能授权的PPAC属性的接入请求消息给AAA/PPS服务器; Step 403: the target PDSN authenticates the user terminal, the access function requested prepaid authorization request message to the PPAC attribute AAA / PPS server transmission belt;

步骤404: AAA/PPS判断用户为已经接入到源PDSN的预付费用户,发送中断连接请求消息给源PDSN,请求源PDSN释放用户连接,并返回配额的使用情况; Step 404: AAA / PPS determines that the user has access to the source PDSN to the pre-paid users, sending an interrupt connection request message to the source PDSN, PDSN to release the request source user is connected, and return to the use of quotas;

步骤405:源PDSN给AAA/PPS返回中断连接确认消息,确认释放用户连接; Step 405: the source PDSN to the AAA / PPS return interrupt the connection confirmation message, the user releases the connection confirmation;

步骤406:源PDSN同AAA/PPS交互配额使用情况,此时源PDSN将切换前用户使用的流量配额信息返回给AAA/PPS; Step 406: the source PDSN with AAA / PPS interaction quota usage, traffic is switched at this time the source PDSN quota information before the user returns to the AAA / PPS;

步骤407: AAA/PPS判断不允许目标PDSN使用预付费功能,返回接入接受消息给目标PDSN,消息中包括值为"不使用预付费计费"的PPAC属性; Step 407: AAA / PPS determines the target PDSN does not allow pre-paid function returns an access accept message to the target PDSN, the message includes a value of "do not use pre-paid billing" attribute of PPAC;

步骤408:目标PDSN转发用户终端的MIP注册请求给HA,请求MIP 的绑定; Step 408: the user terminal, the target PDSN forwards the MIP registration request to the HA, the MIP binding request;

步骤409: HA对用户终端进行鉴权,发送接入请求消息给AAA/PPS服务器,消息中包括请求基于流量预付费功能授权的PPAC属性; Step 409: HA to authenticate the user terminal, sending an access request message to the AAA / PPS server based on a request message including a prepaid authorization function PPAC flow properties;

步骤410: AAA/PPS判断用户为预付费用户,并允许HA使用基于流量的预付费功能,返回接入接受消息给HA,消息中包括带基于流量预付费功能授权的PPAC属性及带流量配额VQ及流量门限VT的PPAQ属性; Step 410: AAA / PPS determines that the user is a prepaid user, and allows the use of HA-based flow pre-paid function returns an access accept message to the HA, the message traffic comprising a tape-based prepaid authorization functions and properties with flow PPAC VQ quotas and traffic threshold VT of PPAQ property;

16步骤4U: HA返回NflP注册响应消息给目标PDSN; Step 16 4U: HA registration response message returned NflP the PDSN to the target;

步骤412:目标PDSN转发MIP注册响应消息给用户终端; Step 412: the target PDSN forwards the MIP registration response message to the user terminal;

步骤413: HA与AAA/PPS在用户进行预付费数据业务过程中,进行在线配额更新操作的交互。 Step 413: HA and AAA / PPS prepaid user data in the course of business, quota update interactive online operations.

图5为本发明切换前由源PDSN承担PPC切换后由HA承担PPC的另一种切换流程图,其中,源PDSN及HA具有预付费功能,目标PDSN不具有预付费能力,源PDSN及HA为用户提供基于时长的预付费功能。 Before the switching by the present invention. FIG. 5 bear the PPC is switched from the source PDSN HA borne PPC another flowchart handover, wherein the source PDSN and HA prepaid function, the target PDSN does not have a prepaid capability of the source PDSN and HA pre-paid functions a long time user-based. 具体步骤如下: Specific steps are as follows:

步骤501:源PDSN为用户提供基于时长的预付费服务; Step 501: when the length of prepaid service for the users based on the source PDSN;

步骤502:用户终端移动到新的具有预付费功能的目标PDSN上,发送MIP注册请求给目标PDSN; Step 502: the user terminal moves to a new target PDSN prepaid function, send an MIP registration request to the target PDSN;

步骤503:目标PDSN对用户终端进行鉴权,发送接入请求消息给AAA 服务器,消息中不包括PPAC属性; Step 503: the target PDSN authenticates the user terminal, sending an access request message to the AAA server, the message does not include the attributes PPAC;

步骤504: AAA服务器不进行预付费功能的授权,并返回接入接受消息给目标PDSN; Step 504: AAA server does not authorize prepaid function, and returns an access accept message to the PDSN target;

步骤505:目标PDSN转发用户终端的MIP注册请求给HA,请求MIP 的绑定; Step 505: the user terminal, the target PDSN forwards the MIP registration request to the HA, the MIP binding request;

步骤506: HA对用户终端进行鉴权,发送接入请求消息给AAA/PPS服务器,消息中带请求预付费功能授权的PPAC属性; Step 506: HA to authenticate the user terminal, sending an access request message to the AAA / PPS server, the request with the prepaid function authorization message attributes PPAC;

步骤507: AAA/PPS判断用户为已经接入到源PDSN的预付费用户,发送中断连接请求消息给源PDSN,请求源PDSN释放用户连接,并返回配额的使用情况; Step 507: AAA / PPS determines that the user has access to the source PDSN to the pre-paid users, sending an interrupt connection request message to the source PDSN, PDSN to release the request source user is connected, and return to the use of quotas;

步骤508:源PDSN给AAA/PPS返回中断连接确认消息,确认释放用户连接; Step 508: the source PDSN to the AAA / PPS return interrupt the connection confirmation message, the user releases the connection confirmation;

步骤509:源PDSN同AAA/PPS交互配额使用情况,此时源PDSN将切换前用户使用的时长配额情况发给AAA/PPS; Step 509: the source PDSN with AAA / PPS interaction quota usage, this time to switch the source PDSN quota long before the case when the user uses the issued AAA / PPS;

步骤510:AAA/PPS判断用户为预付费用户,并允许HA使用预付费功能, 返回接入接受消息给HA,消息中包括带基于时长预付费功能授权的PPAC属性及带时长配额(Duration Quota, DQ)及时长门限(Duration Threshold, DT) 的PPAQ属性; Step 510: AAA / PPS determines that the user is a prepaid user, and allows the HA uses prepaid function, returns an access accept message to the HA, the message includes a long prepaid function authorization belt based on the PPAC properties and long quota (Duration Quota belt, DQ) in time duration threshold (Duration threshold, DT) of PPAQ property;

步骤511: HA返回MIP注册响应消息给目标PDSN;步骤512:目标PDSN转发MIP注册响应消息给用户终端; 步骤513: HA与AAA/PPS在用户进行预付费数据业务过程中,进行在线配额更新操作的交互。 Step 511: HA returns MIP registration response message to the target PDSN; Step 512: the target PDSN forwards the MIP registration response message to the user terminal; Step 513: HA and AAA / PPS for prepaid data services during a user, online quota update interactions.

当然,本发明还可有其它多种实施例,在不背离本发明精神及其实质的情况下,熟悉本领域的普通技术人员当可根据本发明做出各种相应的改变和变形,但这些相应的改变和变形都应属于本发明所附的权利要求的保护范围。 Of course, the present invention may have a variety of other embodiments, without departing from the spirit and essence of the present invention, those skilled in the art can be made of ordinary skill in the art when the various corresponding modifications and variations according to the present invention, but these corresponding modifications and variations shall fall within the scope of the appended claims.

Claims (20)

1、一种实现码分多址系统中预付费业务切换的方法,包括具有预付费功能的源PDSN和具有预付费功能的目标PDSN,源PDSN为用户终端提供预付费服务,其特征在于,包括如下步骤:A. 用户终端移动到所述目标PDSN上并向所述目标PDSN发送MIP注册请求消息;B. 所述目标PDSN向AAA/PPS服务器发送接入请求消息,所述接入请求消息包括请求预付费能力授权的PPAC属性;C. 所述AAA/PPS服务器请求所述源PDSN释放所述用户终端和所述源PDSN的连接;D. 所述AAA/PPS服务器判断允许所述目标PDSN使用预付费功能,并向所述目标PDSN发送接入接受消息,所述接入接受消息包括为预付费功能授权的PPAC属性和为用户分配配额的PPAQ属性;E. 所述目标PDSN与HA交互进行所述用户终端的MIP注册绑定;F. 所述目标PDSN向所述用户终端发送MIP注册响应消息。 A prepaid service switching method of code division multiple access system, comprising a source PDSN prepaid function and the target PDSN prepaid function, the source PDSN to provide prepaid service user terminal, characterized by comprising . the following steps:. A user terminal moves to the target PDSN to the target PDSN sends a MIP registration request message; B to the target PDSN sends an access request message to the AAA / PPS server, the access request message comprises requesting authorization PPAC prepaid capability attributes;. C the AAA / PPS server requests the PDSN to release the connection of the source terminal and the user of the source PDSN;. D the AAA / PPS server determines whether to allow use of the target PDSN prepaid function, and the target PDSN sends an access Accept message, the access accept message includes attribute PPAQ prepaid authorization function attributes assigned to the user PPAC quota;. E HA for the interaction with the target PDSN the MIP registration user terminal binding;. F. the target PDSN sends a MIP registration response message to the user terminal.
2、 根据权利要求1所述的方法,其特征在于,所述预付费服务是基于时长或基于流量的。 2. The method according to claim 1, characterized in that the prepaid service is based on the flow rate or duration.
3、 根据权利要求1所述的方法,其特征在于,所述AAA/PPS服务器请求所述源PDSN释放所述用户终端和所述源PDSN的连接的步骤进一步包括:CI.所述AAA/PPS服务器判断所述用户终端为已经接入到所述源PD^N 的预付费用户,并向所述源PDSN发送中断连接请求消息;C2.所述源PDSN向所述AAA/PPS服务器发送中断连接确认消息,确认释放所述用户终端连接;C3.所述源PDSN向所述AAA/PPS服务器发送切换前所述用户终端使用的配额信息。 3. The method according to claim 1, characterized in that, the AAA / PPS server requests the PDSN to release the source user terminal and the step of connecting said source PDSN further comprising:. CI The AAA / PPS determining the user terminal to the server has access to the source of the pre-paid users PD ^ N, and sends the interrupt source PDSN connection request message;. C2 to the source PDSN sends the AAA / PPS server disconnects confirmation message confirming the release of the user terminal is connected;. the source PDSN sends a C3 quota information before switching to the user terminal using the AAA / PPS server.
4、 根据权利要求1所述的方法,其特征在于,所述步骤D中所述接入接受消息中进一步包含为所述目标PDSN授权的基于流量的预付费功能和相应的在PPAQ属性中包含为所述用户终端分配的流量配额和流量门限。 4. The method according to claim 1, characterized in that, in the said step D further comprises an access accept message to the target PDSN based on pre-paid traffic authorization functions and the corresponding attribute included in PPAQ for the user terminal is assigned the traffic threshold and the flow rate quotas.
5、 根据权利要求1所述的方法,其特征在于,所述步骤D中所述接入接变消息中进一步包含为所述目标,DSK殺权的基于时长的预付费功能和相应: 的在PPAQ属性中包含为所述用户终端分配的时长配额和时长门限。 5. The method of claim 1, wherein said bonding step (D) the access message further comprising variant of the target, based on the right to kill the DSK prepaid long and corresponding functions: in PPAQ attribute is included in the user terminal and the quota allocated to the long duration threshold.
6、 根据权利要求l、 2或3所述的方法,其特征在于,所述步骤F后进一步包括所述目标PDSN和所述AAA/PPS服务器在所述用户终端使用预付费业务时进行在线配额更新操作的交互。 6, according to claim L, The method of claim 2 or 3, characterized in that, after said step F further comprises the target PDSN and the AAA / PPS server for online quota when the user terminal uses a prepaid service update interaction.
7、 一种实现码分多址系统中预付费业务切换的方法,包括具有预付费功能的源PDSN、具有预付费功能的HA和具有预付费功能的目标PDSN,源PDSN为用户终端提供预付费服务,其特征在于,包括如下步骤:A. 用户终端移动到所述目标PDSN上并向所述目标PDSN发送MIP注册请求消息;B. 所述目标PDSN向AAA/PPS服务器发送接入请求消息,所述接入请求消息包括请求预付费功能授权的PPAC属性;C. 所述AAA/PPS服务器请求所述源PDSN释放所述用户终端和所述源PDSN的连接;D. 所述AAA/PPS服务器判断不允许所述目标PDSN使用预付费功能, 并向所述目标PDSN发送接入接受消息,所述接入接受消息中包括值为"不使用预付费计费"的PPAC属性;E. 所述目标PDSN向HA转发所述用户终端的MIP注册请求消息,请求用户终端MIP绑定;F. 所述HA向所述AAA/PPS服务器发送接入请求消息,所述接入请求消息中包 7 A prepaid service switching method of code division multiple access system, comprising a source PDSN prepaid function, prepaid function HA and the target PDSN prepaid function, the source user terminal to provide PDSN prepaid services, characterized by comprising the steps of:.. A user of the mobile terminal to the target PDSN to the target PDSN sends a MIP registration request message; B to the target PDSN sends an access request message to the AAA / PPS server, the access request message comprises a request prepaid authorization function attributes PPAC;. C the AAA / PPS server requests the PDSN to release the connection of the source terminal and the user of the source PDSN;. D the AAA / PPS server Analyzing the target PDSN does not allow the use of prepaid function, and the target PDSN sends an access accept message, the access accept message includes a value of "do not use pre-paid billing" attribute of the PPAC;. E the HA target PDSN forwards the MIP registration request message to the user terminal, requesting the user terminal MIP binding;. F the HA sends an access request message to the AAA / PPS server, the access request message packet 括请求预付费功能授权的PPAC属性;G. 所述AAA/PPS服务器向所述HA发送接入接受消息,所述接入接受消息包括为预付费功能授权的PPAC属性和为用户分配配额的PPAQ属性;H. 所述HA向所述目标PDSN发送MIP注册响应消息;I. 所述目标PDSN向所述用户终端转发所述MIP注册响应消息。 Pre-paid functions including authorization request attribute PPAC;. G The AAA / PPS server HA sends an acceptance message to the access, the access accept message includes PPAQ prepaid authorization functions and the user's assigned attributes PPAC quota property;. H register the HA transmits to the target PDSN in response to MIP message;. the I the target PDSN forwards the MIP registration response message to the user terminal.
8、 根据权利要求7所述的方法,其特征在于,所述预付费服务是基于时长或基于流量的。 8. A method according to claim 7, characterized in that the prepaid service is based on a long-based or flow.
9、 根据权利要求7所述的方法,其特征在于,所述AAA/PPS服务器释放所述用户终端和所述源PDSN的连接的步骤进一步包括:Cl.所述AAA/PPS服务器判断所述用户终端为已经接入到所述源PDSN的预付费用户,弁向所^^想SN发送中断连接请求消息;C2.所述源PDSN向所述AAA/PPS服务器发送中断连接确认消息,确认释放所述用户终端连接;C3.所述源PDSN向所述AAA/PPS服务器发送切换前所述用户终端使用的配额信息。 9. The method of claim 7, wherein said AAA / PPS server releases the user terminal and the step of connecting said source PDSN further comprising:. Cl The AAA / PPS server determines the user has access to the terminal of the source PDSN pre-paid users, the SN ^^ Bian want to send an interrupt request message is connected;. C2 to the source PDSN sends the AAA / PPS server disconnects confirmation message to confirm the release of said user terminal is connected;. the source PDSN sends a C3 quota information of the user terminal prior to switching to the use of AAA / PPS server.
10、 根据权利要求7所述的方法,其特征在于,所述步骤C在所述步骤F 之后、所述步骤G之前执行。 10. The method of claim 7, wherein said step C after said step F., Performed prior to said step G.
11、 根据权利要求7所述的方法,其特征在于,所述步骤G中所述接入接受消息中进一步包含为所述目标PDSN授权的基于流量的预付费功能和相应的在PPAQ属性中包含为所述用户终端分配的流量配额和流量门限。 11. The method of claim 7, wherein the said step G further comprises an access accept message to the target PDSN based on pre-paid traffic authorization functions and the corresponding attribute included in PPAQ for the user terminal is assigned the traffic threshold and the flow rate quotas.
12、 根据权利要求7所述的方法,其特征在于,所述步骤G中所述接入接受消息中进一步包含为所述目标PDSN授权的基于时长的预付费功能和相应的在PPAQ属性中包含为所述用户终端分配的时长配额和时长门限。 12. The method of claim 7, wherein the said step G comprises the access accept message is further based on authorization of the target PDSN prepaid duration function and the corresponding attribute included in PPAQ when the user terminal is assigned a long duration quota and threshold.
13、 根据权利要求7、 8或9所述的方法,其特征在于,所述步骤I后进一步包括所述HA和所述AAA/PPS服务器在所述用户终端使用预付费业务时进行在线配额更新操作的交互。 13. A method according to claim 7, claim 8 or claim 9, wherein, after said step further comprises the HA I and the AAA / PPS server for online updating quota when the user terminal uses a prepaid service interoperate.
14、 一种实现码分多址系统中预付费业务切换的方法,包括具有预付费功能的源PDSN、具有预付费功能的HA和不具有预付费功能的目标PDSN,源PDSN为用户终端提供预付费服务,其特征在于,包括如下步骤:A. 用户终端移动到所述目标PDSN上并向所述目标PDSN发送MIP注册请求消息;B. 所述目标PDSN向AAA/PPS服务器发送接入请求消息,所述接入请求消息不包括请求预付费功能授权的PPAC属性;C. 所述AAA/PPS服务器向所述目标PDSN发送接入接受消息;D. 所述目标PDSN向HA转发所述用户终端的MIP注册请求消息,请求用户终端MIP绑定;E. 所述HA向所述AAA/PPS服务器发送接入请求消息,所述接入请求消息包括请求预付费功能授权的PPAC属性;F. 所述AAA/PPS服务器请求所述源PDSN释放所述用户终端和所述源PDSN的连接;CJ.所述皿/PPS服务器向所述HA发送接入接受消息,所述接入接受消息包 14. A method of prepaid service switching CDMA system, includes a source PDSN prepaid function, prepaid function HA and the target PDSN does not have a prepaid function, the source user terminal to provide PDSN prepaid service fee, characterized by comprising the steps of:.. A user of the mobile terminal to the target PDSN sends a MIP registration request message to the target PDSN; B request message to the target PDSN AAA / PPS server transmits the access , the access request message does not include the authorization request prepaid function attributes PPAC;. C the AAA / PPS server accepts the message transmitted to the target PDSN access;. D the target PDSN forwards the user terminal to the HA the MIP registration request message, requesting the user terminal MIP binding;. E the HA transmits to the AAA / PPS server access request message, the access request message comprises a request prepaid authorization function attributes PPAC;. F the It said the AAA / PPS server requests the PDSN to release the connection of the source terminal and the user of the source PDSN;. CJ the dish / PPS server HA sends an acceptance message to the access, the access accept message packet 括为预付费功能授权的PPAC属性和为用户分配配额的PPAQ属性;H. 所述HA向所述目标PDSN发送MIP注册响应消息;I. 所述目标PDSN向所述用户终端转发所述MIP注册响应消息。 Including prepaid authorization PPAC function attributes and the user attributes assigned quota PPAQ;. H HA said response message to the target PDSN sends a MIP Registration;. I the target PDSN forwards the MIP registration to the user terminal response message.
15、 根据权利要求14所述的方法,其特征在于,所述预付费服务是基于时长或基于流量的。 15. The method of claim 14, characterized in that the prepaid service is based on a long-based or flow.
16、 根据权利要求14所述的方法,其特征在于,所述AAA/PPS服务器请求所述源PDSN释放所述用户终端和所述源PDSN的连接的步骤进一步包括:Fl.所述AAA/PPS服务器判断所述用户终端为已经接入到所述源PDSN 的预付费用户,并向所述源PDSN发送中断连接请求消息;F2.所述源PDSN向所述AAA/PPS服务器发送中断连接确认消息,确认释放所述用户终端连接;F3.所述源PDSN向所述AAA/PPS服务器发送切换前所述用户终端使用的配额信息。 16. The method of claim 14, wherein the AAA / PPS server requests the PDSN to release the source user terminal and the step of connecting said source PDSN further comprising:. Fl the AAA / PPS determining the user terminal to the server has access to the source PDSN is pre-paying user, and sends the interrupt source PDSN connection request message;. F2 interrupts the connection to the source PDSN sends an acknowledgment message to the AAA / PPS server confirming the release of the user terminal is connected;. F3 PDSN transmits quota information of the source user terminal uses the handover to the front AAA / PPS server.
17、 根据权利要求14所述的方法,其特征在于,所述步骤F在所述步骤C之后、所述步骤D之前执行。 17. The method of claim 14, wherein said step F, after the step C, and performed before the step D.
18、 根据权利要求14所述的方法,其特征在于,所述步骤G中所述接入接受消息中进一步包含为所述目标PDSN授权的基于流量的预付费功能和相应的在PPAQ属性中包含为所述用户终端分配的流量配额和流量门限。 18. The method according to claim 14, wherein the said step G further comprises an access accept message to the target PDSN based on pre-paid traffic authorization functions and the corresponding attribute included in PPAQ for the user terminal is assigned the traffic threshold and the flow rate quotas.
19、 根据权利要求14所述的方法,其特征在于,所述步骤G中所述接入接受消息中进一步包含为所述目标PDSN授权的基于时长的预付费功能和相应的在PPAQ属性中包含为所述用户终端分配的时长配额和时长门限。 19. The method according to claim 14, wherein the said step G comprises the access accept message is further based on authorization of the target PDSN prepaid duration function and the corresponding attribute included in PPAQ when the user terminal is assigned a long duration quota and threshold.
20、 根据权利要求14、 15或16所述的方法,其特征在于,所述步骤I后进一步包括所述HA和所述AAA/PPS服务器在所述用户终端使用预付费业务时进行在线配额更新操作的交互。 20. The method of claim 14, claim 15 or claim 16, wherein said step further comprises the HA and the AAA / PPS server for online updating quota when the user terminal uses the prepaid service I interoperate.
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