WO2007112657A1 - Procédé et système de décision concernant l'information sur les services dans un système de communication mobile - Google Patents

Procédé et système de décision concernant l'information sur les services dans un système de communication mobile Download PDF

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Publication number
WO2007112657A1
WO2007112657A1 PCT/CN2007/000896 CN2007000896W WO2007112657A1 WO 2007112657 A1 WO2007112657 A1 WO 2007112657A1 CN 2007000896 W CN2007000896 W CN 2007000896W WO 2007112657 A1 WO2007112657 A1 WO 2007112657A1
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Prior art keywords
function entity
service
information
policy
user
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PCT/CN2007/000896
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English (en)
French (fr)
Inventor
Huadong Hu
Xiaoqin Duan
Chengzhen Sun
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Huawei Technologies Co., Ltd.
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Application filed by Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Priority to ES07720470T priority Critical patent/ES2396728T3/es
Priority to EP07720470A priority patent/EP2003917B1/en
Publication of WO2007112657A1 publication Critical patent/WO2007112657A1/zh

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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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/24Accounting or billing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M2215/00Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/20Technology dependant metering
    • H04M2215/2026Wireless network, e.g. GSM, PCS, TACS
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M2215/00Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/20Technology dependant metering
    • H04M2215/2033WLAN
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M2215/00Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/20Technology dependant metering
    • H04M2215/204UMTS; GPRS

Definitions

  • the present invention relates to the field of mobile communication technologies, and in particular, to a service information decision method and system in a mobile communication system. Background technique
  • the Policy and Charging Control (PCC) mechanism is one of the implementations of this control.
  • the PCC framework is a functional framework that can be applied to multiple access technologies, such as the Universal Mobile Telecommunications System (UTRAN, UMTS Terrestrial Radio Access Network), GSM/EDGE Radio Access Network (GERAN, GSM/EDGE). Radio Access Network) and typical access technologies such as Inter-Wireless Local Area Network (I-WLAN).
  • UTRAN Universal Mobile Telecommunications System
  • GERAN GSM/EDGE Radio Access Network
  • GSM/EDGE GSM/EDGE
  • Radio Access Network Radio Access Network
  • typical access technologies such as Inter-Wireless Local Area Network (I-WLAN).
  • PCC Service Based Local Policy
  • FCC Flow Based Charging
  • PCC combines the basic functions of SBLP and FBC, and further evolves in some aspects.
  • the PCC framework in the rel7 system implements policy and charging control based on user subscription data.
  • the binding mechanism is also updated.
  • the overall framework of the PCC is shown in Figure 1.
  • the PCC framework mainly implements two major functions: one is the policy control function, and the other is the billing function.
  • the policy control function further includes: monitoring a service parameter of the user, for example, a negotiation process of a QoS (Quality of Service) parameter; and authorizing the network bearer resource used by the service according to the obtained service information; Real-time control on the data bearing surface Whether the business flow is passed or not; notifying the relevant changes of the business surface to the data bearing surface; notifying the relevant changes of the data bearing surface to the business side; and performing policy control based on the user's subscription data.
  • a service parameter of the user for example, a negotiation process of a QoS (Quality of Service) parameter
  • QoS Quality of Service
  • the logical entities involved in the policy control function include the application function entity (AF, Application Function), the Policy and Charging Rules Function (PCRF), and the policy and charging execution function entity (PCEF). , Policy and Charging Enforcement Function ), and the SPR (Subscription Profile Repository).
  • AF application function entity
  • PCF Policy and Charging Rules Function
  • PCEF policy and charging execution function entity
  • SPR Subscribescription Profile Repository
  • the charging function further includes three aspects: comprehensive service information, bearer information, and subscription data to formulate charging rules; association between charging data on the service side and charging data on the carrying surface; Next, carry out Credit Control.
  • the logical entities involved in the accounting function also include AF, PCRF, PCEF, SPR, and also include Online Charging System (OCS) and Offline Charging System (OFCS). .
  • OCS Online Charging System
  • OFC Offline Charging System
  • AF is used to provide access points for business applications, and the network resources used by these business applications require dynamic policy control.
  • the AF passes the related service information to the PCRF. If the service information is consistent with the policy of the PCRF, the PCRF accepts the negotiated service parameter. Otherwise, the PCRF rejects the negotiation, and can simultaneously give the business parameters acceptable to the PCRF in the feedback. The AF can then return these parameters to the user equipment (UE, User Equipment).
  • UE User Equipment
  • the interface between AF and PCRF is the Rx interface.
  • AF is the Proxy-Call Session Control Function (P-CSCF).
  • the PCRF is the core of the PCC system and is responsible for policy decision making and billing rules.
  • the PCRF provides network control rules based on Service Data Flow (SDF). These network controls include SDF detection, gating, QoS control, and flow-based charging control.
  • SDF Service Data Flow
  • the PCRF sends its formulated policies and charging rules to the PCEF for execution, and the PCRP also ensures that these rules are consistent with the user's subscription data.
  • the PCRF formulates policies and charging rules based on information obtained from the AF and related to the service, information related to the user subscription data acquired from the SPR, and information related to the bearer network acquired from the PCEF.
  • the PCEF is used to perform the policy and charging rules established by the PCR on the bearer plane.
  • the PCEF performs SDF detection according to the traffic filter in the rules sent by the PCRF, and then performs the policy and charging control established by the PCRF for these service flows.
  • the PCEF performs QoS authorization according to the rules sent by the PCRF, and performs gating operations according to the indication of the AF.
  • the charging rule sent by the PCRF the PCEF performs a corresponding service flow charging operation.
  • This charging operation can be either online charging or offline charging. In the case of online charging, PCEF and OCS are used for credit management; if offline charging, PCEF and OFCS exchange relevant charging information.
  • the interface between the PCEF and the PCRF is a Gx interface, and is a Gy interface with the OCS, and a Gz interface with the OFCS.
  • PCEFs are generally located on the gateway (GW, Gate Way) of the network, for example, the Gateway GPRS Support Node (GGSN) in the General Packet Radio Service (GPRS) and I- A packet data gateway (PDG, Packet Data Gateway) in the LAN.
  • GGSN Gateway GPRS Support Node
  • GPRS General Packet Radio Service
  • PGW Packet Data Gateway
  • the SPR is a user subscription specification database, and stores user subscription data related to policy control and charging, for example, service information that the user can use, QoS information that can be used by the user service, and user subscription data related to charging and the group of users. Categories, etc.
  • the PCRP can perform policy control and accounting operations based on user subscription data.
  • the interface between SPR and PCRF is the Sp interface.
  • OCS and PCEF are used to control and manage user credits in online charging mode.
  • PCEF In the process of bearer establishment, modification and suspension, PCEF must go to OCS for credit authentication.
  • the result of credit authentication directly affects the use of user services. For example, if the user credit has been exhausted, the data bearer used by the service will be deleted immediately and the user service will be interrupted.
  • the OFCS and the PCEF start the charging operation in the offline charging mode.
  • the PCRF After receiving the dynamic service information provided by the AF, the PCRF first compares the service information with the policy rules defined by the operator on the PCRF. If the two are consistent, the PCRF will accept the service information and It is stored for subsequent policy control and charging rule formulation; if the two are inconsistent, the PCRF will reject the service information provided by the AF, and specify the service information it can support in the feedback response message to the AF, and here In this case, the AF rejects the service establishment between the application plane UEs and may forward the acceptable service information fed back by the PCRF to the corresponding UE.
  • the PCC mechanism is designed to support multiple access systems. According to the specification, the PCRF can feed back service parameter information. Therefore, some access systems do not have the ability to accept PCRF feedback service parameter information.
  • the current PCRF service information decision mechanism does not consider the user subscription data in the SPR, and the user subscription data is very important for knowing the services that the user can use and how many QoS resources can be used by these services.
  • the current mechanism only refers to the SPR information when the data bearer is subsequently established. If the SPR information is constrained after the bearer is established, the QoS resource given by the PCRF is inconsistent with the QoS information of the AF service confirmed by the previous PCRF.
  • the UE may re-initiate the parameter negotiation of the service layer, increase the number of service negotiation, and reduce the efficiency of service negotiation, thereby reducing system performance. Therefore, user subscription data in SPR needs to be considered in the PCRF service information decision mechanism.
  • Embodiments of the present invention provide a service information decision method in a mobile communication system, which improves an existing service information decision mechanism and improves system performance.
  • Embodiments of the present invention provide a method for determining service information in a mobile communication system, including the following steps:
  • the policy and charging rule function entity receives the user service parameter information sent by the application function entity, and receives the notification that the application function entity has the capability of receiving the feedback service information;
  • the policy and charging rule function entity feeds back the service information it supports to the application function entity.
  • the embodiment of the invention further provides another method for determining service information in a mobile communication system, which comprises the following steps:
  • the policy and charging rule function entity receives the service parameter information of the user sent by the application function entity;
  • the policy and charging rule function entity acquires the subscription number of the user
  • the policy and charging rule function entity determines whether to support the service parameter information provided by the application function entity.
  • the application function entity notifies the policy and charging rule function entity whether it has the capability of receiving the service feedback information, and provides the service parameter information of the user to the policy and charging rule function entity.
  • the policy and charging rule function entity does not support the service parameter information and the application function entity can receive the service feedback information
  • the policy and charging rule function entity returns the service information it supports to the application function entity.
  • the decision of whether the policy and charging rule function entity feeds back the service information to the application function entity is not differentiated according to the capability of the application function entity. Therefore, the present invention can improve the existing technology.
  • the mechanism for business information decision making is not differentiated according to the capability of the application function entity. Therefore, the present invention can improve the existing technology. The mechanism for business information decision making.
  • the application function entity provides the service parameter information of the user to the policy and charging rule function entity, and the policy and charging rule function entity uses the subscription data of the user as a reference basis to determine whether the service parameter information is supported.
  • the problem in the existing service information decision mechanism can be avoided, that is, the policy and charging rule function entity uses the user subscription data when establishing the data bearer, which may cause the terminal to re-initiate the negotiation of the service parameter information.
  • the mechanism of existing business information decision-making can be improved and system performance can be improved.
  • FIG. 1 is a schematic diagram of an overall frame of a PCC in the prior art
  • FIG. 2 is a flow chart showing a method for determining a service information in a mobile communication system according to a first embodiment of the present invention
  • Fig. 3 is a flow chart showing a method of determining a service information in a mobile communication system according to a second embodiment of the present invention. detailed description
  • the AF in the mobile communication system of the present invention notifies the PCRF whether it has the capability of receiving feedback service information.
  • the PCRF needs to feed back the service information it supports to the AF, the feedback decision can be made according to the capability of the AF receiving feedback.
  • the PCRF determines whether the subscription data of the user acquired by the SPR is used as a reference basis to determine whether the service parameter information provided by the AF is supported.
  • the method for determining service information in the mobile communication system specifically includes the following steps:
  • Step 201 The AF notifies the PCRF of whether it has the capability of receiving the feedback service information, and sends the service parameter information of the user to the PCRF.
  • the manner of the notification may be multiple.
  • One of the methods is that the AF notifies the PCRF of the service parameter information and the capability of the AF to receive the service feedback information in different messages.
  • the other way is that the AF is The message carrying the service parameter information is notified to the PCRF whether the AF has the capability of receiving the service feedback information.
  • the preset identifier may be set in the message carrying the service parameter information to indicate whether the AF has the service feedback information. Capability, for example, when the message contains the predetermined identity, the PCRP considers that the AF does not have the ability to receive feedback service information; when the message does not contain the predetermined identity, the PCRF default AF has the ability to receive feedback service information.
  • Step 202 The PCRF determines the content of the message fed back to the AF according to the service parameter information received from the AF and the ability of the AF to receive the feedback service information.
  • the feedback message includes the service parameter information supported by the PCRF
  • the feedback message does not include the service parameter information supported by the PCRF
  • the decision result of the PCRF is to support the service parameter information from the AF, the corresponding feedback message is sent according to the existing processing mode.
  • Step 203 The PCRF sends the feedback message after the decision to the AF.
  • the PCRF determines whether the AF has the capability of receiving service feedback information. Whether to feed back the service parameter information supported by the PCRF when the service parameter information of the AF is not supported.
  • the decision of whether the PCRF feeds back the service information to the AF is not handled according to the capability of the AF. Therefore, the technology of the present invention can improve the mechanism of the existing service information decision.
  • Step 301 The AF sends a message carrying the relevant service parameter information to the PCRF.
  • the related service parameter information includes description information of each media component and related policy information, where the description information of each media component includes a media type, a bandwidth requirement, and Stream identification, etc.
  • relevant user identification information may also be carried, for example, International Mobile Station Identity (IMSI, International Mobile Station Identity) or Mobile Station International Integrated Services Digital Network (MSISDN, Mobile Station International Integrated Services Digital Network) Number ).
  • IMSI International Mobile Station Identity
  • MSISDN Mobile Station International Integrated Services Digital Network
  • Step 302 after receiving the relevant service parameter information provided by the AF, the PCRF determines whether the local user subscription data is stored, if not, and the PCRF has the condition for requesting the relevant user subscription data to the SPR, then proceeds to step 303;
  • the PCRF locally stores related user subscription data (for example, in the case of media component renegotiation during a session connection or a user-initiated session connection, etc.) or the PCRF does not have the condition to request the relevant user subscription data to the SPR. , then go directly to 306.
  • condition that the PCRF has the data for signing the relevant user to the SPR refers to
  • the PCRF has user identification information required to initiate a request to the SPR, for example, an Internet Protocol (IP) address of the UE, an IMSI or an MSISDN, and the like.
  • IP Internet Protocol
  • the PCRF determines that the subscription data of the user is locally saved, if the update message (SPR transmission) of the user subscription data is received, the PCRF will first update the local user subscription data by using the user subscription data in the message. And use these updated user subscription data as a basis for decision making in subsequent business information decisions.
  • Step 303 The PCKF sends a request message (carrying relevant user identification information) to the corresponding SPR, and requests related user subscription data, where the user subscription data includes a service that the user can use, a maximum QoS, and related charging information.
  • Step 305 After receiving the user subscription data from the SPR, the PCRF stores the information, and then proceeds to step 306.
  • Step 306 The PCRF performs the service information decision by using the related user subscription data currently stored in the local area as a reference basis. If the PCRF does not store the relevant user subscription data locally, the service information is performed according to the existing service information decision mode. decision making.
  • the reference to the user's subscription data in the decision-making process can avoid the problem in the existing service information decision mechanism, that is, the PCRF uses the user subscription data when establishing the data bearer, which may cause the UE to re-initiate the negotiation of the service parameter information.
  • the mechanism of existing business information decision-making can be improved and system performance can be improved.
  • Step 307 The PCRF returns the result of the service information decision to the AF.
  • the message exchanged between the PCRF and the AF can be transmitted through the 3GPP Rx interface, and the message exchanged between the PCRF and the SPR can be transmitted through the 3GPP Sp interface.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Mobile Radio Communication Systems (AREA)

Description

移动通信系统中业务信息决策方法及系统 本申请要求于 2006 年 03 月 31 日提交中国专利局、 申请号为 200610025346.2、 发明名称为"移动通信网络中业务信息决策方法,,的中国 专利申请的优先权, 其全部内容通过引用结合在本申请中。 技术领域
本发明涉及移动通信技术领域, 特别涉及移动通信系统中业务信息决 策方法及系统。 背景技术
在通信系统中, 需要对其中的业务以及业务所使用的资源进行准确、 及时而且全面的控制。 策略计费控制 (PCC, Policy and Charging Control ) 机制, 就是这种控制的实现方式之一。
在第三代移动通信标准化的伙伴项目 3GPP( 3rd Generation Partnership Project )版本 7 ( rel7 )的体系中, 策略与计费功能由 PCC框架实现。 PCC 框架是一个能够应用于多种接入技术的功能框架, 例如, 通用移动通信系 统地面无线接入网 (UTRAN, UMTS Terrestrial Radio Access Network ), GSM/EDGE无线接入网( GERAN, GSM/EDGE Radio Access Network )以 及互通无线局域网 (I-WLAN, Interworking WLAN )等典型的接入技术。
在 rel7之前的体系中,策略控制由基于业务的本地策略( SBLP, Service Based Local Policy ) 完成, 而计费则由基于流的计费 ( FBC, Flow Based Charging )完成。 然而, 在 rel7的体系中, PCC融合了 SBLP和 FBC的基 本功能, 并在某些方面作了进一步的演进, 例如, rel7体系中的 PCC框架 实现了基于用户签约数据的策略和计费控制 ,同时还更新了绑定机制, PCC 的整体框架如图 1所示。
PCC框架主要实现了两大功能: 一个是策略控制功能, 另一个是计费 功能。
其中, 策略控制功能进一步包括: 对用户的业务参数, 例如, 服务质 量(QoS, Quality of Service )参数的协商过程进行监控; 根据所获得的业 务信息, 对业务所使用的网络承载资源进行授权; 在数据承载面实时地控 制业务流的通过与否; 将业务面的相关变化情况通知到数据承载面; 将数 据承载面的相关变化情况通知到业务面等; 进行基于用户的签约数据的策 略控制。
在 PCC框架中,策略控制功能主要涉及的逻辑实体包括应用功能实体 ( AF, Application Function )、策略与计费规则功能实体( PCRF , Policy and Charging Rules Function )、 策略与计费执行功能实体(PCEF, Policy and Charging Enforcement Function ),以及签约规格库( SPR, Subscription Profile Repository )等。
而计费功能则进一步包括三个方面: 综合业务信息、 承载信息以及签 约数据来制定计费规则; 在业务面的计费数据和承载面的计费数据之间进 行关联; 在动态计费模式下, 进行信用控制 ( Credit Control )。
在 PCC框架中,计费功能主要涉及的逻辑实体同样也包括 AF、PCRF、 PCEF, SPR, 还包括在线计费系统(OCS, Online Charging System ) 以及 离线计费系统(OFCS, Offline Charging System )等。
具体地说, AF 用于提供业务应用的接入点, 而这些业务应用所使用 的网络资源需要进行动态的策略控制。 在业务面进行参数协商时, AF将 相关业务信息传递给 PCRF。 如果这些业务信息与 PCRF的策略相一致, PCRF接受该协商业务参数, 否则, PCRF拒绝该协商, 并可在反馈中同时 给出 PCRF可接受的业务参数。 随后, AF可将这些参数返回给用户设备 ( UE, User Equipment )。 AF和 PCRF之间的接口是 Rx接口。 其中, 在 网际协议多媒体子系统(IMS, IP Multimedia Subsystem ) 系统中, AF即 为代理呼叫会话控制功能( P-CSCF , Proxy-Call Session Control Function )。
PCRF是 PCC体系的核心, 负责策略决策和计费规则的制定。 PCRF 提供了基于业务数据流(SDF, Service Data Flow )的网络控制规则, 这些 网絡控制包括 SDF的探测、 门控(gating ), QoS控制以及基于流的计费控 制等。 PCRF将其制定的策略和计费规则发送给 PCEF由其执行,同时 PCRP 还要保证这些规则和用户的签约数据是一致的。 其中, PCRF制定策略和 计费规则的依据从 AF获取的和与业务相关的信息, 从 SPR获取的与用户 签约数据相关的信息, 以及从 PCEF获取的与承载网络相关的信息。 PCEF用于在承载面执行 PCR 所制定的策略和计费规则。首先, PCEF 按照 PCRF所发送的规则中的流量过滤器进行 SDF的探测 ,进而对这些业 务流执行 PCRF所制定的策略和计费控制。在承载建立时, PCEF按照 PCRF 发送的规则进行 QoS授权, 并根据 AF的指示进行门控操作。 根据 PCRF 发送的计费规则, PCEF执行相应的业务流计费操作。 这种计费操作, 既 可以是在线计费, 也可以是离线计费。 如果是在线计费, PCEF和 OCS— 起进行信用管理;如果是离线计费, 由 PCEF和 OFCS交换相关计费信息。 其中, PCEF与 PCRF之间的接口是 Gx接口, 与 OCS之间是 Gy接口, 与 OFCS之间是 Gz接口。 PCEF—般都位于网络的网关( GW, Gate Way ) 上, 例如, 通用分组无线业务(GPRS, General Packet Radio Service ) 中 的网关通用分组无线业务支持节点( GGSN, Gateway GPRS Support Node ) 以及 I- LAN中的分组数据网关(PDG, Packet Data Gateway )等。
SPR是用户签约规格数据库, 存储了和策略控制与计费相关的用户签 约数据, 例如, 用户可使用的业务信息、 用户业务可使用的 QoS信息、 和 计费相关的用户签约数据以及用户的群类别等。 利用 SPR所存储的信息, PCRP 就可以进行基于用户签约数据的策略控制和计费操作。 其中, SPR 和 PCRF之间的接口是 Sp接口。
OCS和 PCEF—起进行在线计费方式下的用户信用( credit )的控制和 管理。 在承载建立、 修改和中止过程中, PCEF都必须到 OCS进行信用鉴 权。 信用鉴权的结果会直接地影响用户业务的使用, 例如, 如果用户信用 已经用完, 那么业务所使用的数据承载会被立即删除, 用户业务中断。 而由 OFCS与 PCEF—起完成离线计费方式下的计费操作。
在 PCC机制中, PCRF在收到 AF提供的动态业务信息后, 首先将这 些业务信息与运营商在 PCRF上定义的策略规则相比对, 如果两者一致, PCRF就会接受这些业务信息并将其存储起来用于后续的策略控制和计费 规则的制定; 如果两者不一致, PCRF会拒绝 AF提供的业务信息, 并在 给 AF的反馈响应消息中指定它能支持的业务信息, 而在这种情况下, AF 会拒绝应用层面 UE之间的业务建立, 并可能将 PCRF反馈的可接受业务 信息转发给相应的 UE。 另外, PCC机制的设计目标是支持多种接入系统, 根据规范, PCRF 可反馈业务参数信息, 因此, 实际上有的接入系统不具有接受 PCRF反馈 业务参数信息的能力。
在实际应用中 , 现有的业务信息决策机制不够完善。
这是由于目前的 PCRF业务信息决策机制并没有考虑 SPR中的用户签 约数据, 而用户签约数据对于获知用户可以使用的业务以及这些业务可以 使用多少 QoS资源都是非常重要的。 然而, 目前的机制只是在后续建立数 据承载时, PCRF才会参考 SPR信息, 如果建立承载时参考 SPR信息约束 后 , PCRF给出的 QoS资源与之前 PCRF所确认的 AF业务的 QoS信息不 一致, 则可能导致 UE重新发起业务层面的参数协商, 增加业务协商的次 数, 降低业务协商的效率, 从而降低系统的性能。 因此, 在 PCRF业务信 息决策机制中需要考虑 SPR中的用户签约数据。
另外, 在实际上有的接入系统不具有接受 PCRF反馈业务参数信息的 能力, 从而影响标准的可读性和后续的产品实现, 因此, 对于 PCRF是否 向 AF反馈业务参数信息的处理机制也是不够完善的。 发明内容
本发明实施例提供一种移动通信系统中业务信息决策方法, 使得完善 现有业务信息决策机制, 提高系统性能。
本发明实施例提供一种移动通信系统中业务信息决策方法, 包括以下 步骤:
策略与计费规则功能实体收到应用功能实体发送的用户业务参数信 息, 并收到应用功能实体是否具有接收反馈业务信息的能力的通知;
在所述策略与计费规则功能实体决策为不支持来自所述应用功能实 体的所述业务参数信息时, 根据所述应用功能实体是否具有接收反馈业务 信息的能力的通知进行判断;
当判定所述应用功能实体具有接收反馈业务信息的能力时 , 所述策略 与计费规则功能实体将其支持的业务信息反馈给所述应用功能实体。
本发明实施例还提供另一种移动通信系统中业务信息决策方法, 包含 以下步骤: 策略与计费规则功能实体收到应用功能实体发送的用户的业务参数 信息;
所述策略与计费规则功能实体获取所述用户的签约数择;
所述策略与计费规则功能实体决定是否支持所述应用功能实体提供 的业务参数信息。
本发明实施例提供的技术方案中, 应用功能实体将其是否具有接收业 务反馈信息的能力通知给策略与计费规则功能实体, 并向策略与计费规则 功能实体提供用户的业务参数信息, 当策略与计费规则功能实体不支持该 业务参数信息且应用功能实体能接收业务反馈信息时, 策略与计费规则功 能实体将其支持的业务信息返回给应用功能实体。 而在现有技术的业务信 息决策机制中对策略与计费规则功能实体是否向应用功能实体反馈业务 信息的决策没有才艮据应用功能实体的能力区别处理, 因此, 本发明技术可 以完善现有业务信息决策的机制。
应用功能实体将用户的业务参数信息提供给策略与计费规则功能实 体, 由策略与计费规则功能实体将该用户的签约数据作为参考依据之一决 策是否支持该业务参数信息。 这样, 可以避免现有的业务信息决策机制中 的问题, 即策略与计费规则功能实体在建立数据承载时才使用用户签约数 据, 从而可能导致终端重新发起业务参数信息的协商。 通过在策略与计费 规则功能实体中将用户签约数据作为决策依据之一, 可以完善现有业务信 息决策的机制, 并提高系统性能。 附图说明
图 1是现有技术中 PCC整体框架示意图;
图 2是本发明第一实施例的移动通信系统中业务信息决策方法流程 图;
图 3 是本发明第二实施例的移动通信系统中业务信息决策方法流程 图。 具体实施方式
为使本发明的目的、 技术方案和优点更加清楚, 下面将结合附图对本 发明作进一步地详细描述。 本发明移动通信系统中的 AF将其是否具有接收反馈业务信息的能力 通知给 PCRF, 当 PCRF需要将其支持的业务信息反馈给 AF, 可以根据 AF接收反馈的能力进行反馈决策。 另外, 当 AF将用户的业务参数信息提 供给 PCRF时, PCRF将从 SPR获取的用户的签约数据作为参考依据之一 决策是否支持 AF所提供的业务参数信息。
本发明第一实施例的移动通信系统中业务信息决策方法如图 2所示, 具体包括如下步骤:
步骤 201 , AF将其是否具有接收反馈业务信息的能力通知给 PCRF, 并向该 PCRF发送用户的业务参数信息。
所述通知的方式可以有多种, 其中一种方式为, AF在不同的消息中 分别将业务参数信息和该 AF是否具有接收业务反馈信息的能力通知给 PCRF; 另一种方式为, AF在承载业务参数信息的消息中将该 AF是否具 有接收业务反馈信息的能力通知给 PCRF, 具体地说, 可以通过在承载业 务参数信息的消息中设置预定标识来指示该 AF是否具有接收业务反馈信 息的能力, 例如, 当该消息包含该预定标识时, PCRP认为 AF不具有接 收反馈业务信息的能力; 当该消息未包含预定标识时, PCRF默认 AF具 有接收反馈业务信息的能力。
步驟 202 , PCRF根据从 AF收到的业务参数信息以及 AF是否具有接 收反馈业务信息的能力进行决策, 来决定反馈给 AF的消息的内容。
如果 PCRF的决策结果为不支持来自 AF的业务参数信息且 AF具有 接收反馈业务信息的能力, 则反馈消息中包含 PCRF所支持的业务参数信 息;
如果 PCRF的决策结果为不支持来自 AF的业务参数信息且 A 不具 有接收反馈业务信息的能力, 则反馈消息中不包含 PCRF所支持的业务参 数信息;
如果 PCRF的决策结果为支持来自 AF的业务参数信息, 那么按照现 有的处理方式发送相应的反馈消息。
步驟 203 , PCRF将决策后的反馈消息发送给 AF。
在上述方案中, PCRF根据 AF是否具有接收业务反馈信息的能力决 定在不支持 AF的业务参数信息时是否反馈 PCRF所支持的业务参数信息。 而在现有技术的业务信息决策机制中, 对 PCRF是否向 AF反馈业务信息 的决策没有根据 AF的能力区别处理, 因此, 本发明技术可以完善现有业 务信息决策的机制。
本发明第二实施例的移动通信系统中业务信息决策方法流程图, 如图
3所示, 具体包括;
步骤 301 , AF向 PCRF发送携带相关的业务参数信息的消息, 相关的 业务参数信息包括各媒体成分的描述信息和相关策略信息等, 其中, 各媒 体成分的描述信息又包括媒体类型、 带宽需求、 流标识等。 另外, 在本消 息中,还可以携带相关的用户标识信息,例如,国际移动台识别号码( IMSI, International Mobile Station Identity )或移动台国际综合业务数字网号码 ( MSISDN, Mobile Station International Integrated Services Digital Network Number )。
步骤 302, PCRF收到 AF提供的相关业务参数信息后, 判断本地是否 存储了相关的用户签约数据, 如果还没有, 并且 PCRF具备向 SPR请求相 关的用户签约数据的条件, 则转入步骤 303;
如果 PCRF本地存储有相关的用户签约数据 (例如, 在一次会话连接 过程中的媒体成分重协商或用户发起的再一次会话连接等情况下)或者 PCRF不具备向 SPR请求相关的用户签约数据的条件, 则直接转入 306。
具体地说, PCRF具备向 SPR请求相关的用户签约数据的条件指的是
PCRF具有向 SPR发起请求所需的用户标识信息, 例如, UE的网间互联 协议(IP, Internet Protocol )地址、 IMSI或 MSISDN等。
进一步, 所述 PCRF在判断本地保存有该用户的签约数据后, 如果收 到用户签约数据的更新消息 (SPR发送), 那么该 PCRF将首先用该消息中 的用户签约数据来更新本地用户签约数据, 并在后续的业务信息决策中使 用这些更新的用户签约数据作为决策参考依据之一。
步骤 303 , PCKF向相应的 SPR发送请求消息 (携带相关的用户标识 信息), 请求相关的用户签约数据, 其中, 这些用户签约数据包括用户可 使用的业务、 最大 QoS以及相关的计费信息等。 步骤 304, SPR向 PCRF发送响应消息, 在该消息中可以包含所请求 的用户签约数据。
步骤 305, PCRF收到来自 SPR的用户签约数据后, 将这些信息存储 起来, 然后也转入步骤 306。
步骤 306, PCRF将当前本地所存储的相关的用户签约数据作为参考 依据之一进行业务信息决策, 如果 PCRF当前本地没有存储有相关的用户 签约数据, 则按照现有的业务信息决策模式进行业务信息决策。
这样在决策时参考用户的签约数据, 可以避免现有的业务信息决策机 制中的问题, 即 PCRF在建立数据承载时才使用用户签约数据, 从而可能 导致 UE重新发起业务参数信息的协商。 同时, 通过在 PCRF中将用户签 约数据作为决策依据之一, 可以完善现有业务信息决策的机制, 并提高系 统性能。
步骤 307, PCRF将业务信息决策的结果返回给 AF。
其中, PCRF与 AF之间交互的消息可以通过 3GPP Rx接口传输, 而 PCRF与 SPR之间交互的消息可以通过 3GPP Sp接口传输。
虽然通过参照本发明的实施例, 已经对本发明进行了图示和描述, 但 本领域的普通技术人员应该明白, 可以在形式上和细节上对其作各种改 变, 而不偏离本发明的精神和范围。

Claims

权 利 要 求
1. 一种移动通信系统中业务信息决策方法, 其特征在于, 包括以下 步骤:
策略与计费规则功能实体收到应用功能实体发送的用户业务参数信 息, 并收到应用功能实体是否具有接收反馈业务信息的能力的通知; 当所述策略与计费规则功能实体决策为不支持来自所述应用功能实 体的所述业务参数信息时, 根据所述应用功能实体是否具有接收反馈业务 信息的能力的通知进行判断;
当判定所述应用功能实体具有接收反馈业务信息的能力时, 所述策略 与计费规则功能实体将其支持的业务信息反馈给所述应用功能实体。
2. 根据权利要求 1 所述的业务信息决策方法, 其特征在于, 所述策 略与计费规则功能实体通过不同的消息分别收到所述业务参数信息和所 述应用功能实体是否具有接收业务反馈信息的能力的通知。
3. 根据权利要求 1 所述的业务信息决策方法, 其特征在于, 所述应 用功能实体是否具有接收业务反馈信息的能力的通知由承载所述业务参 数信息的消息携带。
4. 根据权利要求 3 所述的业务信息决策方法, 其特征在于, 所述应 用功能实体是否具有接收业务反馈信息的能力通过在所述承载业务参数 信息的消息中设置预定标识来指示。
5. 一种移动通信系统中业务信息决策方法, 其特征在于, 包含以下步 驟:
策略与计费规则功能实体收到应用功能实体发送的用户的业务参数 信息;
所述策略与计费规则功能实体获取所述用户的签约数据;
所述策略与计费规则功能实体决定是否支持所述应用功能实体提供 的业务参数信息。
6. 根据权利要求 5 所述的业务信息决策方法, 其特征在于, 所述策 略与计费规则功能实体从签约规格库获取所述用户的签约数据。
7. 根据权利要求 5 所述的业务信息决策方法, 其特征在于, 所述策 略与计费规则功能实体获取所述用户的签约数据具体包括: 判断所述策略与计费规则功能实体是否已保存有该用户的签约数据, 如果是则直接使用所述已保存的该用户签约数据, 否则通过查询用户签约 数据存储单元获得该用户签约数据。 '
8、 根据权利要求 5所述的业务信息决策方法, 其特征在于, 所述用 户签约数据存储单元是签约规格库。
9、 根据权利要求 7所述的业务信息决策方法, 其特征在于, 所述方 法还包括:
所述策略与计费规则功能实体收到用户签约数据更新消息; 所述策略与计费规则功能实体用所述用户签约数据更新消息中的用 户签约数据来更新所述策略与计费规则功能实体中的用户签约数据。
10、 一种移动通信系统中的业务信息决策系统, 包括: 应用功能实体 和策略与计费规则功能实体, 其特征在于,
所述应用功能实体用于向所述策略与计费规则功能实体发送用户的业 务参数信息, 并将所述应用功能实体是否具有接收反馈业务信息的能力通 知给所述策略与计费规则功能实体;
所述策略与计费规则功能实体用于接收所述应用功能实体发送的业 务参数信息和所述应用功能实体是否具有接收反馈业务信息的能力的通 知;
当所述策略与计费规则功能实体不支持来自所述应用功能实体的所 述业务参数信息, 且根据所述应用功能实体是否具有接收反馈业务信息的 能力的通知, 判定所述应用功能实体具有接收反馈业务信息的能力时, 所 述策略与计费规则功能实体将其支持的业务信息反馈给所述应用功能实 体。
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CN100459734C (zh) 2009-02-04
CN101313624A (zh) 2008-11-26
EP2003917A2 (en) 2008-12-17
EP2003917A9 (en) 2009-04-15
EP2003917B1 (en) 2012-11-28

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