WO2004054170A1 - Systeme et procede de facturation de reseau local sans fil sur base de debit de donnees utilisateur - Google Patents

Systeme et procede de facturation de reseau local sans fil sur base de debit de donnees utilisateur Download PDF

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Publication number
WO2004054170A1
WO2004054170A1 PCT/CN2003/000692 CN0300692W WO2004054170A1 WO 2004054170 A1 WO2004054170 A1 WO 2004054170A1 CN 0300692 W CN0300692 W CN 0300692W WO 2004054170 A1 WO2004054170 A1 WO 2004054170A1
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WIPO (PCT)
Prior art keywords
charging
user
information
packet data
service unit
Prior art date
Application number
PCT/CN2003/000692
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English (en)
French (fr)
Inventor
Wenlin Zhang
Original Assignee
Huawei Technologies Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Priority to EP03812548A priority Critical patent/EP1580927A4/en
Priority to JP2004557747A priority patent/JP4171464B2/ja
Priority to BR0317087A priority patent/BR0317087A/pt
Priority to AU2003255124A priority patent/AU2003255124B2/en
Priority to CA 2507985 priority patent/CA2507985A1/en
Publication of WO2004054170A1 publication Critical patent/WO2004054170A1/zh
Priority to US11/143,912 priority patent/US20050276271A1/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/24—Accounting or billing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2215/00—Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/20—Technology dependant metering
    • H04M2215/2033—WLAN
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2215/00—Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/22—Bandwidth or usage-sensitve billing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2215/00—Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/32—Involving wireless systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/16—Gateway arrangements

Definitions

  • Wireless local area network service system and method capable of charging based on user data flow rate
  • the present invention relates to the field of communication billing, and in particular, to a wireless local area network service system capable of charging based on user data traffic and a billing method implemented on the system.
  • Wireless local area networks As users have higher and higher requirements for wireless access rates, wireless local area networks (WLAN, Wireless Local Area Network) have emerged at the historic moment, which can provide high-speed wireless data access in a small range.
  • Wireless local area network includes a variety of different technologies.
  • IEEE 802.11b which uses the 2.4 GHz frequency band.
  • Another technology using this frequency band is Bluetooth technology.
  • Other new technologies such as IEEE 802.11a and ETSI BRAN Hiperlan2 use the 5GHz band.
  • WLANs are used to transmit Internet Protocol (IP) packet data packets.
  • IP Internet Protocol
  • the specific WLAN access technology it uses is generally transparent to the upper-layer IP. Its basic structure is to use an access point (AP) to complete the wireless access of user terminals, and form an IP transmission network through network control and connection of device connections.
  • AP access point
  • WLAN wireless local area network
  • various wireless mobile communication networks such as: GSM, code division multiple access (CDMA) systems, and broadband code division multiple access
  • WCDMA time division duplex-Synchronous Code Division Multiple Access
  • TD-SCDMA time division duplex-Synchronous Code Division Multiple Access
  • CDMA2000 the focus of current research.
  • the user terminal can be connected to the Internet (Internet) and the corporate intranet (Intranet) through the WLAN access network, and can also be connected to the 3GPP through the WLAN access network.
  • the 3GPP main network mainly includes Home Subscriber Subscriber Server (HSS) / Home Location Register (HLR), 3GPP Authentication Authorization and Accounting (AAA) server, Accounting Gateway (CGw) / Accounting Information Collection System (CCF), and online Charging system (OCS) and packet data gateway (Packet Data GW).
  • HSS Home Subscriber Subscriber Server
  • HLR Home Location Register
  • AAA 3GPP Authentication Authorization and Accounting
  • CGw Accounting Gateway
  • CCF Accounting Information Collection System
  • OCS online Charging system
  • Packet Data GW Packet Data gateway
  • a user terminal, a WLAN access network, a 3GPP AAA server, a packet data gateway, and a charging system form a 3GPP-WLAN interactive network.
  • This 3GPP-WLAN interactive network can be used as a wireless local area network service system.
  • the 3GPP AAA server is responsible for user authentication, authorization, and charging, and collects and transmits the charging information sent by the WLAN access network to the charging system;
  • the packet data gateway is responsible for transferring user data from the WLAN access network to the 3GPP Data transmission of the network or other packet networks;
  • the billing system mainly receives and records user billing information transmitted from the network, and also includes OCS instructs the network to periodically transmit online fee information based on the fees of online billing users, and performs statistics and control.
  • the charging methods in the prior art generally generate and convert charging information, such as bills, on a service network, and then transmit the charging information to a charging gateway (CGw) or a charging information collection system (CCF) to complete the accounting. fee.
  • the billing method can be divided into two types according to the user's payment method: offline billing and online billing.
  • Off-line billing refers to the billing system to settle the bill after the user is offline according to the statistics-related billing information.
  • Pay Online billing generally means that the user pays first.
  • OCS will notify the network system of the current user's available billing limit every time the user calls during the call, such as 15 minutes per call. When it arrives, the network will apply for a new quota to OCS.
  • the application If the application is successful, the user will continue to talk, so that the user hangs up, and then sends the user's billing information to OCS for billing, and the billing information can also be sent to The offline system CGw / CCF records as detailed bills so that users can check detailed call records. If the fees have been used up before the user hangs up or goes offline, the OCS will notify the network, the network will be disconnected and the service to the current user will be stopped. In all billing information, time is usually used as the unit of measurement, but in packet data networks There are also ways of charging according to the data traffic of the current user.
  • the main object of the present invention is to provide a wireless local area network service system capable of charging based on user data traffic, and charging user packet data passing through a packet data gateway based on traffic.
  • Another object of the present invention is to provide a charging method implemented in the above-mentioned wireless local area network service system.
  • charging based on data traffic for user packet data passing through a packet data gateway is implemented.
  • a wireless local area network service system capable of charging based on user data traffic includes a wireless local area network user terminal, a wireless local area network access network, and a packet data gateway.
  • the system further includes: a user charging service unit for generating packet data charging information. ;
  • the subscriber's charging service unit is connected to the packet data gateway.
  • the user billing service unit is connected to the billing gateway / bill collection system and the online billing system, respectively.
  • the user charging service unit is an independent device or a functional module in a network device.
  • the user charging service unit is a charging function module in a 3GPP AAA server.
  • the user charging service unit is a function module set in a packet data gateway.
  • a charging method based on a wireless local area network service system includes the following steps:
  • the packet data gateway counts the current user data traffic, obtains the original data traffic information, and transmits the original data traffic information to the user billing service unit;
  • the user billing service unit After the user billing service unit receives the original data flow information, it generates billing information based on the user packet data flow according to the data flow information, and then sends the generated billing information to the corresponding billing system for accounting. fee.
  • the method further includes: the user charging service unit sends the generated charging information to the charging gateway / charging collection system; or sends the generated charging information to the online charging system.
  • the packet data gateway sends the statistics of the data traffic of each user to the user charging service unit; or the packet data gateway sends one or more data traffic values classified and counted according to different data content to the user charging service unit.
  • the generating of the charging information in step b is that the user charging service unit directly uses the original data traffic information as the charging information, or uses the data traffic form generated after analysis and statistics as the charging information.
  • the analysis and statistics mentioned above is that after the user charging service unit classifies and collects the original data flow information according to the user, or the packet data gateway, or the data content, or any combination of the three, it generates different types of charging information.
  • information exchange is performed between the packet data gateway and the user charging service unit based on the DIAMETER protocol or the user remote dial-up authentication service (RADUS) protocol.
  • DIAMETER the DIAMETER protocol
  • RADUS remote dial-up authentication service
  • the wireless local area network service system and method capable of being based on user data flow metering provided by the present invention enables the packet data gateway to send user packet data traffic statistics to the user billing service unit to complete further conversion and Calculate, generate relevant billing information, and then complete the corresponding form of billing based on the billing information, such as online billing or offline billing.
  • the billing information is added to the wireless local area network service system. New billing method for this information.
  • the billing information generating system of the present invention fully utilizes the existing network system structure, which not only realizes the convenience of ordering, but also does not affect the realization of any existing functions.
  • FIG. 1 is a schematic diagram of a basic composition structure of a current 3GPP-WLAN interactive network
  • FIG. 2 is a schematic diagram of a structure of a wireless local area network service system according to the present invention
  • FIG. 3 is a schematic diagram of an implementation process of the charging method of the present invention under an offline charging mechanism
  • FIG. 4 is a schematic diagram of an implementation process of the charging method of the present invention under an online charging mechanism
  • FIG. 5 is an embodiment of a wireless local area network service system of the present invention. Schematic;
  • FIG. 6 is a schematic structural diagram of an embodiment of a wireless local area network service system according to the present invention. Mode for Carrying Out the Invention The present invention will be described in further detail below with reference to the drawings and specific embodiments.
  • the present invention provides a charging mechanism based on user packet data traffic in a wireless LAN service system.
  • the wireless LAN service system of the present invention mainly includes: a WLAN user terminal 201, a WLAN access network 202, and packet data.
  • the packet data gateway 203 can count the current user packet data traffic, and send the original information of the calculated traffic to the user billing service unit 204 for processing.
  • the user billing service unit 204 may be an independent device or an implementation A function module in an entity, for example: This unit can be charged by the accounting function module in the 3GPP AAA server, or it can be implemented as a function module in the packet data gateway 203.
  • the packet data gateway 203 and the user charging service unit 204 may be directly connected, or may be indirectly connected through other intermediate units or devices. Connection between packet data gateway and user billing service unit The connection is based on the user remote dial-up authentication service (RADUS) protocol and its enhanced protocol, the DIAMETER protocol.
  • RADUS remote dial-up authentication service
  • the method for generating charging information of the present invention includes the following steps:
  • the packet data gateway When a WLAN user terminal performs data communication with a 3GPP network via a WLAN access network, the user transmits packet data through a packet data gateway. At this time, the packet data gateway counts current user data traffic information to obtain the original data traffic, and The raw data flow information is transmitted to the user charging service unit. Among them, the packet data gateway may use various methods to collect statistics on the data traffic of the current user group, for example, classify statistics according to different data contents, and so on.
  • the user charging service unit After receiving the original data flow information, the user charging service unit directly references or performs conversion, analysis, and calculation to generate charging information related to the user packet data flow, and then sends the generated charging information to the corresponding
  • the billing system completes the final billing, such as: sending to OCS for online billing; sending to CGw / CCF for offline billing, and so on.
  • the conversion, analysis, and calculation of the data flow information by the user billing service unit refers to: In practical applications, there may be more than one packet data gateway. Then, the user billing service unit needs to analyze all packet data traffic information. Statistics by different users; or statistics by different grouped data gateways; or statistics by the content of transmitted data; or statistics by other sources of data classification.
  • the charging information may be directly using data traffic as a part of user charging information, that is, one or more charging data; or it may be a form of charging data that is generated after conversion and other operations to generate the required data traffic.
  • FIG. 3 and 4 are flowcharts of offline and online charging implementation based on the wireless LAN service system charging method of the present invention.
  • the offline charging process based on the method of the present invention includes the following steps:
  • Steps 301 to 302 When the user data passes through the packet data gateway, the packet data gateway root According to the user data of the device, the packet data traffic of the current user is counted. Then, the statistical user packet data traffic information is reported to the user billing service unit, and the user billing service unit can send a corresponding response message to the user billing service unit. Packet data gateway.
  • Steps 303 to 304 After receiving the user packet data flow information, the user billing service unit summarizes the user data flow information according to the records, and then performs statistics to generate the billing information. Here, statistics may be classified according to different contents. Then, the user billing service unit sends the generated billing information to the billing gateway / bill collection system to complete the offline billing of the user.
  • Step 401 First, the user terminal confirms that the system is allowed to access the network and completes the access connection. At this point, it means that the current user is online.
  • Step 402 When the user communicates online, the real-time charging system first informs the user charging service unit to prepare for real-time charging, that is, the real-time charging system sends information about the real-time charging to the user charging service unit, and according to The prepaid status of the current user transmits the charging allowable value to the user charging service unit.
  • Steps 403 to 404 When the user data passes through the packet data gateway, the packet data gateway counts the packet data traffic of the current user according to the situation of the user data passing through the device; and then reports the statistical user packet data traffic information to the user billing service. Unit, the user charging service unit may send a corresponding response message to the packet data gateway after receiving it.
  • the flow information may be reported after completing a session / data transmission service operation, or may be performed periodically during the data transmission process. The period refers to a preset time or a preset flow, which reaches a certain time. Or report after the traffic.
  • Steps 405 to 406 After receiving the user packet data flow information, the user billing service unit summarizes the user data flow information according to the records, and determines whether a new billing allowance value needs to be obtained based on the real-time billing parameters.
  • the charging service unit requests the real-time charging system to obtain a new charging allowable value; otherwise, it continues to count and judge. This completes the user-based analysis. Real-time billing of group data traffic.
  • the real-time billing system finds that the current user's fee is insufficient, and will not send a new billing allowance value to the user billing service. Unit, and will notify the terminal of the user's connection.
  • Step 407 Although it is real-time billing, all billing information related to user data traffic information must be uniformly sent to the billing gateway / bill collection system for storage, so that it can be queried offline. Therefore, the user billing service unit will report to The billing gateway / bill collection system sends all billing information.
  • the user charging service unit in the system of the present invention can be implemented by a 3GPP AAA server, that is, the charging function module in the 3GPP AAA server is used as the user charging service unit in the present invention.
  • the composition structure of the generating system of the present invention is shown in FIG. 5.
  • a connection for transmitting user packet data traffic information is established between the existing 3GPP AAA server and the Packet Data Gw.
  • the connection It can be implemented based on DIAMETER or RADIUS protocol.
  • the method of generating user packet data traffic information is as follows:
  • the packet data gateway sends the data traffic of the current user to the 3GPP AAA server, which is converted, analyzed, and counted by the 3GPP AAA server to generate the corresponding charging information.
  • the 3GPP AAA server separately sends the charging information to the charging system.
  • the charging system includes CGw / CCF and OCS. If online charging is required, the charging information is periodically sent to the OCS during the charging process for charging. .
  • the user charging service unit in the system of the present invention can also be implemented as a functional module in the packet data gateway.
  • the composition structure of the wireless local area network service system of the present invention is shown in FIG. 6, then the user packet data flow meter
  • the method of generating fee information is:
  • the group data gateway counts, analyzes, and converts the current user's data traffic in its own user billing service module. After directly generating the corresponding billing information, it sends them to the billing system, which includes CGw / CCF and OCS. If online charging is required, the charging information is periodically sent to the OCS during the charging process for charging.

Description

能够基于用户数据流量计费的无线局域网服务系统及方法 技术领域
本发明涉及通信计费领域， 尤指一种能够基于用户数据流量计费的 无线局域网服务系统及在该系统上实现的计费方法。 发明背景
由于用户对无线接入速率的要求越来越高， 无线局域网 （WLAN, Wireless Local Area Network )应运而生， 它能在较小范围内提供高速的 无线数据接入。 无线局域网包括多种不同技术， 目前应用较为广泛的一 个技术标准是 IEEE 802.11b, 它采用 2.4GHz频段， 使用该频段的另一 个技术是蓝牙（Bluetooth )技术。 其它新技术诸如 IEEE 802.11a和 ETSI BRAN Hiperlan2都使用 5GHz频段。
尽管有多种不同的无线接入技术， 大部分 WLAN都用来传输因特 网协议（IP )分组数据包。 对于一个无线 IP网络， 其采用的具体 WLAN 接入技术对于上层的 IP —般是透明的。 其基本的结构都是利用接入点 ( AP )完成用户终端的无线接入，通过网络控制和连接设备连接组成 IP 传输网络。
随着无线局域网 WLAN技术的兴起和发展， WLAN与各种无线移 动通信网， 诸如： GSM、 码分多址 ( CDMA ) 系统、 宽带码分多址
( WCDMA ) 系统、 时分双工-同步码分多址 （TD-SCDMA ) 系统、 CDMA2000系统的互通正成为当前研究的重点。在第三代合作伙伴计划
( 3GPP )标准化组织中， WLAN系统与 3GPP系统互通简化的网络结构 如图 1所示。用户终端可以通过 WLAN的接入网络与因特网（Internet )、 企业内部互联网 （ Intranet )相连， 还可以经由 WLAN接入网络与 3GPP 系统的主网连接。在 3GPP主网中，主要包括归属签约用户服务器（ HSS ) /归属位置寄存器 （HLR )、 3GPP认证授权计费 （AAA )服务器、 计费 关口 （CGw ) /计费信息收集系统（CCF )、 在线计费系统 （OCS )和分 组数据关口 （ Packet Data GW )。
如图 1所示， 用户终端、 WLAN接入网络、 3GPP AAA服务器、 分 組数据关口和计费系统共同组成了 3GPP-WLAN 交互网络， 此 3GPP-WLAN 交互网络可作为一种无线局域网服务系统。 其中， 3GPP AAA服务器负责对用户的鉴权、 授权和计费， 对 WLAN接入网络送来 的计费信息收集并传送给计费系统； 分组数据关口负责将用户数据从 WLAN接入网络到 3GPP网络或其他分组网络的数据传输； 计费系统主 要接收和记录网络传来的用户计费信息，还包括 OCS根据在线计费用户 的费用情况指示网络周期性的传送在线费用信息， 并进行统计和控制。
现有技术中的计费方法一般都是在服务网络产生和转换计费信息， 比如话单， 然后将该计费信息传送到计费关口 （CGw )或计费信息收集 系统（CCF ) 完成计费。 计费方法根据用户的付费方式可分为： 离线计 费和在线计费两种机制， 其中， 离线计費是指计费系统根据所统计的计 费相关信息， 在用户离线后结算并由用户付费； 在线计费一般是指用户 先付费， OCS根据用户的剩余费用， 在用户通话过程中， 每次通知网络 系统当前用户的可用计费限额， 比如每次允许通话 15 分钟， 当该限额 快到达时，网络将向 OCS申请一个新的限额，申请成功则用户继续通话， 如此直到用户挂机，然后把用户使用的计费信息送给 OCS,以便其计费， 同时计费信息也可以送给离线系统 CGw/CCF进行记录作为详细话单， 以便用户核对详细的通话记录。 如果用户挂机或主动下线之前费用已经 用完， 则 OCS会通知网络， 网络会断开连接， 停止对当前用户的服务。 在所有的计费信息中， 通常采用时间作为计量单位， 但在分组数据网络 中， 也有按照当前用户的数据流量进行计费的方式。
但是,在目前的 3GPP-WLAN网络系统中还没有基于流量的计费方 式， 尤其是对于通过分组数据关口的数据业务， 虽然能通过分组数据关 口传送用户数据到 3GPP分组网络或其他分组数据网络， 但分组数据关 口与 3GPP AAA服务器之间没有计费信息的交互， 因此不能实现基于分 組数据关口的用户分组数据流量对用户进行基于数据流量的计费。 发明内容
有鉴于此， 本发明的主要目的在于提供一种能够基于用户数据流量 计费的无线局域网服务系统， 对通过分组数据网关的用户分组数据， 基 于流量进行计费。
本发明的另一目的在于提供一种在上述无线局域网服务系统中实 现的计费方法， 在无线局域网服务系统中实现对通过分组数据关口的用 户分组数据基于数据流量的计费。
为达到上述目的， 本发明的技术方案是这样实现的：
一种能够基于用户数据流量计费的无线局域网服务系统 , 包括无线 局域网用户终端、无线局域网接入网络、分组数据关口，该系统还包括： 用于生成分組数据计费信息的用户计费服务单元； 所迷用户计費服务单 元与分组数据关口相连。
其中，所述的用户计费服务单元与计费关口 /计费收集系统和在线计 费系统分别相连。 所述的用户计费服务单元为独立的设备或为网络设备 中的一个功能模块。所述用户计费服务单元为 3GPP AAA服务器中的计 费功能模块。 所述用户计费服务单元为设置于分组数据关口中的一个功 能模块。
一种基于权利要求 1所述无线局域网服务系统的计费方法， 该方法 包括以下步驟：
a. 分组数据关口统计当前的用户数据流量， 得到原始数据流量信 息， 并将该原始数据流量信息传送给用户计费服务单元；
b. 用户计费服务单元收到原始数据流量信息后，根据所述的数据流 量信息生成基于用户分组数据流量的计费信息， 再将所生成的计费信息 送至相应的计费系统进行计费。
该方法进一步包括： 用户计费服务单元将生成的计费信息发送给计 费关口 /计费收集系统； 或将生成的计费信息发送给在线计费系统。
在上述方法中， 分组数据关口将所统计的每个用户的数据流量发送 给用户计费服务单元； 或者分组数据关口将根据不同数据内容分类统计 的一个或以上数据流量值发送给用户计费服务单元。
步骤 b所述计费信息的生成是用户计费服务单元将原始数据流量信 息直接作为计费信息， 或将经过分析统计后产生的数据流量形式作为计 费信息。 其中所述的分析统计为用户计费服务单元对原始数据流量信息 按用户、 或分组数据关口、 或数据内容、 或三者的任意组合进行分类统 计后， 生成不同类别的计费信息。
上述方案中， 分组数据关口与用户计费服务单元之间基于 DIAMETER协议、 或用户远程拨号认证服务（RADUS )协议进行信息 交互。
因此， 本发明所提供的能够基于用户数据流量计费的无线局域网服 务系统及方法， 其使分组数据关口能将对用户分组数据的流量统计信息 送至用户计费服务单元， 完成进一步的转换与计算， 生成相关的计费信 息， 再根据该计费信息完成相应形式的计费， 如在线计费或离线计费， 从而使无线局域网服务系统增加了一种新的计费信息， 进而形成基于此 信息的新的计费方法。 并且， 对于一些直接按流量提供数据资源给用户 的业务， 更方便其的业务提供和计费。 另外， 本发明的计费信息生成系 统完全利用现有的网络系统结构， 不仅实现筒单方便、 且不影响现有任 何功能的实现。 附图简要说明
图 1为目前 3GPP-WLAN交互网络的基本組成结构示意图； 图 2为本发明无线局域网服务系统结构示意图；
图 3为本发明计费方法在离线计费机制下的实现过程示意图； 图 4为本发明计费方法在在线计费机制下的实现过程示意图； 图 5为本发明无线局域网服务系统一实施例结构示意图；
图 6为本发明无线局域网服务系统一实施例结构示意图。 实施本发明的方式 下面结合附图及具体实施例对本发明再作进一步详细的说明。
本发明提供了一种无线局域网服务系统中基于用户分组数据流量 的计费机制， 如图 2 所示， 本发明的无线局域网服务系统主要包括： WLAN用户终端 201、 WLAN接入网络 202、 分组数据关口 203和用户 计费服务单元 204。 其中， 分组数据关口 203能够统计当前的用户分组 数据流量， 并将所统计的流量原始信息送至用户计费服务单元 204进行 处理； 用户计费服务单元 204可以是独立的设备， 也可以是实现于某个 实体中的一个功能模块， 比如： 该单元可以由 3GPP AAA服务器中的计 费功能模块担当，也可以作为一个功能模块在分组数据关口 203中实现。 当分组数据关口 203和用户计费服务单元 204分别为不同实体时， 分组 数据关口 203和用户计费服务单元 204可以直接相连， 也可以经过其它 中间单元或设备间接相连。 分组数据关口和用户计费服务单元之间的连 接是基于用户远程拨号认证服务 （RADUS ) 协议及其增强协议 -DIAMETER协议。
基于图 2所示的系统结构， 本发明的计费信息生成方法包括以下步 骤：
1 )当 WLAN用户终端经由 WLAN接入网络与 3GPP网络进行数据 通信时， 用户通过分組数据关口传输分组数据， 此时， 分组数据关口统 计当前的用户数据流量信息， 得到原始的数据流量， 并将该原始数据流 量信息传送给用户计费服务单元。 其中， 分组数据关口对当前用户分组 数据流量的统计， 可以有多种方式， 比如： 根据不同数据内容进行分类 统计等等。
2 )用户计费服务单元收到原始数据流量信息后， 直接引用或进行 转换、 分析和计算后， 生成与用户分组数据流量相关的计费信息， 再将 该生成的计费信息送至相应的计费系统完成最终的计费， 比如： 送入 OCS进行在线计费； 送入 CGw/CCF完成离线计费等等。
其中， 用户计费服务单元对数据流量信息后进行转换、 分析和计算 是指： 在实际应用中， 可能不止一个分组数据关口， 那么， 用户计费服 务单元需要对所有分组数据流量信息进行分析， 按不同用户进行统计； 或按不同分组数据关口进行统计； 或按传输的数据内容进行统计； 或按 数据的其它来源分类进行统计。 所述的计费信息可以是直接把数据流量 作为用户计费信息的一部分， 即一个或几个计费数据； 也可以是转换汇 总等操作后产生需要的数据流量形式作为计费信息的一部分。
图 3和图 4分别为基于本发明无线局域网服务系统计费方法的离线 和在线计费的实现流程图， 如图 3所示， 基于本发明方法的离线计费过 程包括以下的步骤：
步骤 301〜302： 当用户数据经过分组数据关口时， 分组数据关口根 据通过本设备的用户数据情况， 统计当前用户的分组数据流量； 然后， 将所统计的用户分组数据流量信息上报给用户计费服务单元， 用户计费 服务单元收到可以发相应的响应消息给分组数据关口。
步驟 303 304: 用户计费服务单元收到用户分组数据流量信息后， 根据记录汇总用户数据流量信息， 再进行统计生成计费信息， 此处可以 是按不同内容分类统计等。 然后， 用户计费服务单元将生成的计费信息 发送给计费关口 /计费收集系统， 完成用户的离线计费。
如图 4所示， 基于本发明方法的在线计费过程包括以下的步骤： 步骤 401 : 首先， 用户终端经系统确认允许其接入网络， 并完成的 接入连接。 此时， 说明当前用户处于在线状态。
步骤 402: 当用户在线通信时， 实时计费系统要先通知用户计费服 务单元做好实时计费准备， 即： 实时计费系统向用户计费服务单元发送 关于实时计费的信息， 并根据当前用户的预付费情况传送计费允许值给 用户计费服务单元。
步骤 403 404: 当用户数据经过分组数据关口时， 分组数据关口根 据通过本设备的用户数据情况， 统计当前用户的分组数据流量； 然后， 将所统计的用户分组数据流量信息上报给用户计费服务单元， 用户计费 服务单元收到后可以发相应的响应消息给分组数据关口。 所述流量信息 的上报可以是完成一个会话 /数据传输服务操作后上报，也可以是在数据 传输过程中周期性的进行，该周期是指预先设定时间、或预先设定流量， 到达一定时间或流量后即上报。
步骤 405~406： 用户计费服务单元收到用户分组数据流量信息后， 根据记录汇总用户数据流量信息 , 并根据实时计费参数判断是否需要取 得新的计费允许值， 如果是， 则用户计费服务单元向实时计费系统请求 获得新的计费允许值； 否则， 继续统计并判断。 由此， 完成基于用户分 组数据流量的实时计费。 另外， 如果用户计费服务单元向实时计费系统 请求新的计费允许值时， 实时计费系统发现当前用户的费用已不足， 则 不会再发新的计费允许值给用户计费服务单元， 同时会通知终端该用户 的连接。
步骤 407: 虽然是实时计费， 但所有与用户数据流量信息相关的计 费信息还是要统一送至计费关口 /计费收集系统进行保存， 以便离线查 询， 因此， 用户计费服务单元会向计费关口 /计费收集系统发送所有的计 费信息。
由于本发明系统中的用户计费服务单元可以由 3GPP AAA服务器 实现， 即： 将 3GPP AAA服务器中的计费功能模块作为本发明中的用户 计费服务单元。 此种情况下， 本发明生成系统的组成结构如图 5所示， 在现有的 3GPP AAA服务器和分组数据关口 （ Packet Data Gw )之间建 立用于传送用户分组数据流量信息的连接， 该连接可以是基于 DIAMETER或 RADIUS协议实现。 那么， 用户分组数据流量计费信息 的生成方法就是： 分组数据关口将当前用户的数据流量发送至 3GPP AAA服务器， 由 3GPP AAA服务器进行转换、 分析和统计， 生成相应 的计费信息，然后再由 3GPP AAA服务器将计费信息分别发送至计费系 统， 该计费系统包括 CGw/CCF和 OCS, 如果需要在线计费， 则在计费 过程中将计费信息周期性发送给 OCS, 进行计费。
在图 5所示的结构下， 实现离线计费和在线计费的流程与图 3、 图 4所示完全相同， 只是将其中的用户计费服务单元实现在 3GPP AAA服 务器中。
本发明系统中的用户计费服务单元也可以作为一个功能模块在分 组数据关口中实现， 此种情况下， 本发明无线局域网服务系统的组成结 构如图 6所示， 那么， 用户分组数据流量计费信息的生成方法就是： 分 組数据关口将当前用户的数据流量在自身的用户计费服务模块中统计、 分析和转换， 直接生成相应的计费信息后， 分别发至计费系统， 该计费 系统包括 CGw/CCF和 OCS, 如果需要在线计费， 则在计费过程中将计 费信息周期性发送给 OCS , 进行计费。
以上所述， 仅为本发明的较佳实施例而已， 并非用于限制本发明的 保护范围。

Claims

权利要求书
1、 一种能够基于用户数据流量计费的无线局域网服务系统， 包括 无线局域网用户终端、 无线局域网接入网络、 分组数据关口， 其特征在 于还包括： 用于生成分组数据计费信息的用户计费服务单元， 该用户计 费服务单元与所述分组数据关口相连。
2、 根据权利要求 1 所述的无线局域网服务系统， 其特征在于： 所 述用户计费服务单元与计费关口 /计费收集系统和在线计费系统分别相 连。
3、 根据权利要求 1 所述的无线局域网服务系统， 其特征在于： 所 述用户计费服务单元为独立的设备； 或为网络设备中的一个功能模块。
4、 根据权利要求 1 所述的无线局域网服务系统， 其特征在于： 所 述用户计费服务单元为 3GPP AAA服务器中的计费功能模块。
5、 根据权利要求 1 所述的无线局域网服务系统， 其特征在于： 所 述用户计费服务单元为设置于分组数据关口中的一个功能模块。
6、 一种基于权利要求 1 所述无线局域网服务系统的计费方法， 其 特征在于该方法包括以下步骤： ,
a. 分组数据关口统计当前的用户数据流量， 得到原始数据流量信 息， 并将该原始数据流量信息传送给用户计费服务单元；
b. 用户计费服务单元收到原始数据流量信息后，根据所述的数据流 量信息生成基于用户分组数据流量的计费信息， 再将所生成的计费信息 送至相应的计费系统进行计费。
7、 根据权利要求 6 所述的计费方法， 其特征在于该方法进一步包 括： 用户计费服务单元将生成的计费信息发送给计费关口 /计费收集系 统。
8、 根据权利要求 6所述的计费方法， 其特征在于该方法进一步包 括： 用户计费服务单元将生成的计费信息发送给在线计费系统。
9、 根据权利要求 6所述的计费方法， 其特征在于： 分組数据关口 将所统计的每个用户的数据流量发送给用户计费服务单元。
10、 根据权利要求 6所述的计费方法， 其特征在于： 分组数据关口 将根据不同数据内容分类统计的一个或以上数据流量值发送给用户计 費服务单元。
11、 根据权利要求 6所述的计费方法， 其特征在于： 步骤 b所述计 费信息的生成是用户计费服务单元将原始数据流量信息直接作为计费 信息， 或将经过分析统计后产生的数据流量形式作为计费信息。
12、 根据权利要求 11 所述的计费方法， 其特征在于： 所述的分析 统计为用户计费服务单元对原始数据流量信息按用户、 或分组数据关 口、 或数据内容、 或三者的任意組合进行分类统计后， 生成不同类别的 计费信息。
13、 根据权利要求 6所述的计费方法， 其特征在于： 所述分組数据 关口与用户计费服务单元之间基于 DIAMETER协议、 或用户远程拨号 认证服务（ ADUS )协议进行信息交互。
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CN1507200A (zh) 2004-06-23
EP1580927A1 (en) 2005-09-28
US20050276271A1 (en) 2005-12-15
BR0317087A (pt) 2005-10-25
JP4171464B2 (ja) 2008-10-22
CN1256823C (zh) 2006-05-17
CA2507985A1 (en) 2004-06-24
EP1580927A4 (en) 2006-08-23
JP2006509430A (ja) 2006-03-16
AU2003255124B2 (en) 2008-03-06
AU2003255124A1 (en) 2004-06-30

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