WO2011006408A1 - Système, procédé et politique, et entité à fonction de règles de politique et de facturation (pcrf) pour commande de politique et de facturation - Google Patents

Système, procédé et politique, et entité à fonction de règles de politique et de facturation (pcrf) pour commande de politique et de facturation Download PDF

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Publication number
WO2011006408A1
WO2011006408A1 PCT/CN2010/073956 CN2010073956W WO2011006408A1 WO 2011006408 A1 WO2011006408 A1 WO 2011006408A1 CN 2010073956 W CN2010073956 W CN 2010073956W WO 2011006408 A1 WO2011006408 A1 WO 2011006408A1
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WIPO (PCT)
Prior art keywords
session
pdsn
policy
charging
pcrf entity
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PCT/CN2010/073956
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English (en)
Chinese (zh)
Inventor
毕以峰
毛玉欣
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中兴通讯股份有限公司
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Publication of WO2011006408A1 publication Critical patent/WO2011006408A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/14—Charging, metering or billing arrangements for data wireline or wireless communications
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/14—Charging, metering or billing arrangements for data wireline or wireless communications
    • H04L12/1403—Architecture for metering, charging or billing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/66—Policy and charging system

Definitions

  • the present invention relates to the field of communications, and in particular, to a policy and charging control system, a method, and a PCRF entity in a Code Division Multiple Access (CDMA) system.
  • CDMA Code Division Multiple Access
  • CDMA2000 lx and High Rate Packet Data (HRPD) network architecture defined by 3rd Generation Partnership Project 2 (3GPP2), mainly by mobile terminal/access terminal equipment (Mobile Station/Access Terminal) , MS/AT), Radio Access Network (RAN), Packet Data Serving Node (PDSN), Home Agent/Local Mobility Anchor (HA/LMA) , Authentication, Authorization, Accounting, AAA server and other core network devices and supporting nodes.
  • 3GPP2 3rd Generation Partnership Project 2
  • the MS/AT and RAN are connected through a wireless interface.
  • the PDSN provides access to the external Internet or other network elements (HA/LMA) of the core network by providing the user terminal equipment.
  • the role of the PDSN is to establish and maintain a Point-to-Point Protocol (PPP) session between the MS/AT and the PDSN; accept and perform authentication, authorization, and accounting of the MS/AT by the AAA server; Packets to the packet data network or other network elements of the core network (HA/LMA).
  • Home Agent/Local mobile anchor (HA, LMA) responsible for the mobile IP/Mobile IP (PMX/MIP) scenario, assigning the home address and forwarding to the terminal. Packets, tunnel encapsulation of packets, and billing.
  • AAA also known as Remote Authentication Dial In User
  • the server is an authentication and authorization accounting server. Its main function is to manage which users can access the network, which services can be obtained by users with access rights, and how to charge users who are using network resources. The remaining network nodes have little to do with the present invention and are not described here.
  • the 3rd Generation Partnership Project (3GPP) defines the Policy and Charging Control (PCC) architecture for the Evolved Packet System (EPS) network, as shown in Figure 2. Show.
  • the Policy and Charging Rules Function (PCRF) entity is responsible for the network QoS (Quality of Service) used for the service data flow and the PCC rules for charging, and the PCC rules are passed through the Gx interface.
  • the Policy and Charging Enforcement Function (PCEF) entity is sent to the PCEF entity; the PCEF entity installs and executes the PCC rules, performs related events, and exchanges billing information with the billing system.
  • the PCRF entity also delivers the QoS rules for QoS control of the service data flow to the Bearer Binding and Event Report Function (BBERF) entity, BBERF entity through the Gxx (including Gxa, Gxb, and Gxc) interfaces.
  • BBERF Bearer Binding and Event Report Function
  • Gxx including Gxa, Gxb, and Gxc
  • Some other network elements such as an Application Function (AF) entity, provide service information to the PCRF through the Rx interface.
  • AF Application Function
  • the CDMA2000 series (including lx and HRPD networks) systems implement the topic of dynamic policy and charging control, and hope to refer to the PCC architecture defined by 3GPP. Because the user terminal accesses the CDMA2000 system (including lx and HRPD networks), there are multiple access methods, there are proxy mobile IP version 4/version 6 (Proxy Mobile IP Version4/Version6, PMIPv4/v6), client mobile IP Version 4/Version 6 (Client Mobile IP Version 4/Version6, CMIPv4/v6), single IP version 4/version 6 (Simplified IP Version 4/Version6, SIPv4/v6), and even the same mobile IP access mode, the terminal The PDSN and the Local Mobility. Anchor (LMA) establish tunnels differently, which also affects the mechanism of dynamic resource control and charging.
  • the technical problem to be solved by the present invention is to provide a policy and charging control system, method, and a PCRF entity, which can implement dynamic policy and charging control in various access scenarios of a CDMA2000 system.
  • the present invention provides a policy and charging control method, including: when a terminal accesses a CDMA system by means of mobile IP, both an anchor gateway and a packet data serving node (PDSN) are associated with policy and charging.
  • a rule function (PCRF) entity establishes an IP connection access network (IP-CAN) session, and the PCRF entity associates two established IP-CAN sessions; and the PCRF entity delivers a charging policy to the charging network element
  • IP-CAN IP connection access network
  • the PCRF entity associates two established IP-CAN sessions
  • the PCRF entity delivers a charging policy to the charging network element
  • the charging network element is the PDSN or an anchor gateway.
  • the step of establishing an IP-CAN session with the PCRF by the anchor gateway and the PDSN includes: after receiving the mobile IP registration request, or the IP control protocol negotiation request, or the IPv6 control protocol negotiation request, the PDSN sends the second to the PCRF entity.
  • the IP-CA session establishment indication which carries the user identifier, or carries the user identifier and the identifier of the packet data network, or carries the user identifier, the identifier of the packet data network, and the IP address of the user terminal
  • the PCRF entity receives the second IP- Establishing a second IP-CAN session after the CAN session establishment indication; and, after the anchor gateway receives the mobile IP registration request, or the proxy mobile IP registration request, or the binding update, or the proxy binding update, to the PCRF
  • the entity initiates a first IP-CAN session establishment indication, where the user identifier, the identifier of the packet data network, and the IP address of the terminal are carried, and the PCRF entity establishes the first IP-CAN session after receiving the first IP-CAN session establishment indication;
  • the step of associating the two IP-CAN sessions established by the PCRF entity includes: if the second IP-CAN session establishment indication carries only the user identity, the PCRF entity will carry the first IP-CAN session with the same user identity In association with the second IP-CAN session, if the second IP-CAN session establishment indication carries the user identifier and the packet data network identifier, the PCRF entity will carry the same user identifier and the first IP of the packet data network identifier. The -CAN session is associated with the second IP-CAN session. If the second IP-CAN session establishment indication carries the user identifier, the packet data network identifier, and the terminal IP address, the PCRF entity carries the same user identifier and packet data. The first IP-CAN session of the network identity and the terminal IP address is associated with the second IP-CAN session. When the reverse tunnel is supported between the PDSN and the anchor gateway, the access mode of the terminal is
  • CMIPv4-supports reverse tunneling or PMIPv4, or CMIPv6 or PMIPv6; when the reverse tunnel is not supported between the PDSN and the anchor gateway, the access mode of the terminal is CMIPv4-the reverse tunnel is not supported;
  • the second IP-CAN session establishment indication or the first IP-CAN session establishment indication further carries an access mode of the terminal;
  • the PCRF entity receives a second IP-CAN session establishment indication or a first IP-CAN session After the indication is established, the method further includes: when the access mode of the terminal is CMIPv4-supporting reverse tunnel, or PMIPv4, or CMIPv6 or PMIPv6, determining that the charging network element is the anchor gateway at this time, and the PCRF entity is After performing the step of associating the two IP-CAN sessions to be established, the charging policy is delivered to the anchor gateway; when the access mode of the terminal is CMIPv4 - the reverse tunnel is not supported, it is determined that the charging network element is The PDSN, the PCRF entity
  • the method further includes: sending, by the PCRF entity, a data routing distribution policy and an event reporting policy to the anchor gateway, and delivering the updated information to the PDSN. a service quality policy and an event reporting policy; and the anchor gateway performs packet data routing distribution and event reporting; the PDSN performs bearer binding and event reporting.
  • the anchor gateway is a home agent or a local mobility anchor gateway; the mobile IP includes a proxy mobile IP version 4, a proxy mobile IP version 6, a client mobile IP version 4, and a client mobile IP version 6.
  • the invention also provides a policy and charging control method, including:
  • the packet data service node When the terminal accesses the CDMA system through a simple IP, the packet data service node
  • PDSN transmitting an IP-CAN session establishment indication to a Policy and Charging Rules (PCRF) to request establishment of an IP Connection Access Network (IP-CAN) session; and the PCRF entity receiving the IP-CAN session establishment indication Then, an IP-CAN session is established, and a charging policy is sent to the PDSN.
  • PCRF entity After the step of establishing an IP-CAN session, the method further includes: sending, by the PCRF entity, a data route distribution policy, a quality of service policy, and an event reporting policy to the PDSN.
  • the invention also provides a policy and charging control system, including a packet data service node
  • PDSN Policy and Charging Rules Function
  • IP-CAN IP-Connected Access Network
  • the anchor gateway is configured to: initiate an IP-CAN session establishment indication to the PCRF entity when the terminal accesses the CDMA system by means of mobile IP
  • the PCRF entity is configured to: establish an IP-CAN session after receiving the IP-CAN session establishment indication, associate the established two IP-CAN sessions, and associate the two IP-CA sessions with the backward charging network element
  • the charging policy is delivered, where the PDSN or the anchor gateway is a charging network element.
  • the PDSN is configured to initiate an IP-CAN session establishment indication to the PCRF entity in the following manner: after receiving the mobile IP registration request, or the IP control protocol negotiation request or the IPv6 control protocol negotiation request, the PDSN sends the PCRF entity to the PCRF entity.
  • the anchor gateway is set to Initiating an IP-CAN session establishment indication to the PCRF entity as follows: After receiving the mobile IP registration request, or the proxy mobile IP registration request, or the binding update or the proxy binding update, the anchor gateway sends the PCRF entity to the PCRF entity.
  • the PCRF is configured to establish an IP-CAN session as follows: the PCRF entity receives the first IP- Establishing a first IP-CAN session after the CAN session establishment indication, and establishing a second IP-CAN session after receiving the second IP-CAN session establishment indication; the PCRF The body is set to associate two IP-CAN sessions to be established as follows: If the second IP-CAN session establishment indication carries only the user identity, the PCRF entity will carry the first IP of the same user identity. The CAN session is associated with the second IP-CAN session.
  • the PCRF entity carries the same user identifier and the packet data network identifier.
  • An IP-CAN session is associated with the second IP-CA session. If the second IP-CAN session establishment indication carries the user identifier, the packet data network identifier, and the terminal IP address, the PCRF entity carries the same user identifier. Number of groups The first IP-CAN session according to the network identity and the terminal IP address is associated with the second IP-CAN session.
  • the access mode of the terminal is CMIPv4-support reverse tunnel, or PMIPv4, or CMIPv6 or PMIPv6; when the reverse tunnel is not supported between the PDSN and the anchor gateway
  • the access mode of the terminal is CMIPv4 - the reverse tunnel is not supported;
  • the second IP-CAN session establishment indication or the first IP-CAN session establishment indication further carries the access mode of the terminal;
  • the entity is further configured to: determine, according to the access mode of the terminal, whether the charging network element is an anchor gateway or a PDSN, and when the access mode is CMHV4-supporting reverse tunnel, or PMIPv4, or CMIPv6 or PMIPv6, the charging
  • the network element is an anchor gateway, and the PCRF entity sends a charging policy to the anchor gateway.
  • the charging network element is a PDSN
  • the PCRF entity sends a charging to the PDSN.
  • the PCRF entity is further configured to: deliver a data routing distribution policy and an event reporting policy to the anchor gateway, and send an updated QoS policy and an event reporting policy to the PDSN;
  • the anchor gateway is further configured as: Data routing distribution and event reporting;
  • the PDSN is further configured to: bearer binding and event reporting.
  • the invention also provides a policy and charging control system, comprising a packet data serving node (PDSN) and a policy and charging rule function (PCRF) entity;
  • PDSN packet data serving node
  • PCRF policy and charging rule function
  • the PDSN is set as: when the terminal accesses the CDMA system by means of simple IP And sending an establishment IP connection access network (IP-CAN) session indication to the PCRF entity;
  • the PCRF entity is configured to: establish an IP after receiving the establishment of the IP connection access network (IP-CAN) session indication - A CAN session, and the charging policy is delivered to the PDSN.
  • the invention also provides a charging rule decision (PCRF) entity, which includes: a session establishing module and a sending module, wherein:
  • the session establishing module is configured to: receive a packet when the terminal accesses a code division multiple access (CDMA) system by using a mobile IP manner. a second IP connection access network (IP-CAN) session establishment indication initiated by the group data serving node (PDSN) to the PCRF entity, and establishing a second IP-CAN session, and the receiving anchor gateway initiating the PCRF entity
  • IP-CAN IP connection access network
  • the entity requests to establish an IP-connected access network (IP-CAN) session;
  • the sending module is configured to: send a charging policy to the charging network element, where the terminal accesses the code division multiple access by means of mobile IP ( In the CDMA system, the PD SN or the anchor gateway is a charging network element, or when the terminal accesses the CDMA system by means of
  • the second IP-CAN session establishment indication carries the user identifier, or carries the user identifier and the identifier of the packet data network, or carries the user identifier, the identifier of the packet data network, and the IP address of the user terminal;
  • the session establishing module is configured to associate two IP-CAN sessions to be established as follows: if the second IP-CAN session establishment indication Carrying only the user identifier, the session establishing module associates the first IP-CAN session carrying the same user identifier with the second IP-CAN session, if the second IP-CAN session establishment indication carries the user identifier and the grouping a data network identifier, the session establishing module associates a first IP-CAN session carrying the same user identifier and a packet data network identifier with a second IP-CAN session, if the second IP-CAN session establishment indication is carried User ID, packet data
  • the access mode of the terminal is CMIPv4-support reverse tunnel, or PMIPv4, or CMIPv6 or PMIPv6, when reverse tunnel is not supported between the PDSN and the anchor gateway.
  • the access mode of the terminal is CMIPv4 - the reverse tunnel is not supported; the second IP-CAN session establishment indication or the first IP-CAN session establishment indication also carries the
  • the sending mode of the terminal is further configured to: determine, according to the access mode of the terminal, whether the charging network element is an anchor gateway or a PDSN, and when the access mode is CMIPv4-supporting a reverse tunnel, or PMIPv4 In the case of CMIPv6 or PMIPv6, the charging network element is an anchor gateway, and the PCRF entity sends an accounting policy to the anchor gateway.
  • the access mode is CMIPv4-the reverse tunnel is not supported, the charging network element For the PDSN, the PCRF entity delivers a charging policy to the
  • the present invention provides a policy and charging control system and method, which can enhance and use an existing PCC solution in a CDMA2000 system, and has little change to the existing CDMA2000 system architecture, and is simple and easy.
  • FIG. 1 is a prior art CDMA2000 packet data service network reference model
  • FIG. 2a and FIG. 2b are two architecture diagrams of a prior art 3GPP PCC
  • FIG. 3 is a schematic diagram of a reverse tunnel supported architecture of the present invention.
  • FIG. 4 is a schematic diagram of the architecture of the present invention that does not support reverse tunneling;
  • FIG. 5 is a third structural diagram of the SIP of the present invention;
  • FIG. 6 is a schematic diagram of the terminal according to the present invention based on CMIPv4 access (supporting reverse tunneling) Flow chart
  • FIG. 7 is a flowchart of a second embodiment of the present invention based on CMIPv4 access (without supporting reverse tunneling);
  • FIG. 8 is a flowchart of a third embodiment of the present invention based on PMIPv4 access;
  • FIG. 9 is an implementation of the present invention;
  • 4 is a flowchart of a CMIPv6 access based on a terminal;
  • FIG. 10 is a flowchart of a terminal based on PMIPv6 access according to Embodiment 5 of the present invention;
  • FIG. 11 is a flowchart of a terminal based on SIPv4 access according to Embodiment 6 of the present invention;
  • FIG. 12 is a flowchart of a seventh embodiment of the present invention based on SIPv6 access.
  • the CDMA2000 system needs to enhance and modify the existing PCC architecture of the 3GPP, including which network element the PCEF entity implements, whether the function of the BBERF entity needs to be extended, and several PCEF physical network elements need to be set, different How to distinguish between NE sessions and how to locate different NEs needs to be clarified and resolved.
  • the mobile IP in the present invention includes Proxy Mobile IP Version 4 (PMIPv4), Proxy Mobile IP Version 6 ( ⁇ ), Client Mobile IP Version 4 (CMIPv4), and Client Mobile IP Version 6 (CMIPv6); the following IP connection access IP-Connectivity Access Network (IP-CAN) Session-1 may also be referred to as a first IP-CAN session, and IP-CAN Session-2 may also be referred to as a second IP-CAN session;
  • PMIPv4 Proxy Mobile IP Version 4
  • CMIPv4 Client Mobile IP Version 4
  • CMIPv6 Client Mobile IP Version 6
  • IP-CAN Session-1 may also be referred to as a first IP-CAN session
  • IP-CAN Session-2 may also be referred to as a second IP-CAN session
  • the present invention provides a policy and charging control system in a CDMA system, including a PDSN, an anchor gateway (HA/LMA), and a PCRF entity; (a) the MS/AT accesses the CDMA2000 system through MIP:
  • the PDSN is configured to: when the MS/AT accesses the CDMA2000 system by means of MIP, initiate an IP-CAN session establishment indication to the PCRF entity; specifically, the PDSN is configured to initiate an IP-CAN session establishment indication to the PCRF entity as follows: After receiving the mobile IP registration request, or the IP control protocol negotiation request or the IPv6 control protocol negotiation request sent by the MSZAT, the IP-CAN session-2 establishment indication is initiated to the PCRF entity; wherein the IP-CAN session-2 establishment indication carries the user Identifying, or carrying the user identifier and the identifier of the packet data network, or carrying the user identifier, the identifier of the packet data network, the IP address of the user terminal, and the access mode of the MS/AT;
  • the PDSN is also configured to perform functions such as bearer binding and event reporting.
  • the HA/LMA is set to: when the MS/AT accesses the CDMA2000 system by means of MIP, initiates an IP-CAN session-1 establishment indication to the PCRF entity; specifically, the HA/LMA receives the mobile IP registration request, or the proxy mobile IP Registration request,
  • the IP-CAN session-1 establishes an indication of carrying the user identifier, the identifier of the packet data network, and the IP address of the terminal, and may also carry the access mode of the MS/AT;
  • the HA/LMA is also configured to: distribute packet data and other functions; PDSN or HA/LMA as the charging network element; when the reverse tunnel is supported between the HA/LMA and the PDSN, the MS/AT access mode is CMIPv4-supported. To the tunnel, PMIPv4, CMIPv6, or PMIPv6; when the reverse tunnel is not supported between the HA/LMA and the PDSN, the MS/AT access mode is CMIPv4-the reverse tunnel is not supported;
  • the PCRF entity is set to: establish an IP-CAN session after receiving the IP-CAN session establishment indication; specifically, the PCRF entity is set to establish an IP-CAN session as follows: IP is established after receiving the IP-CAN session-1 establishment indication -CAN session-1, and establish an IP-CAN session-2 after receiving the IP-CAN session-2 setup indication;
  • the PCRF entity is further configured to associate the two established IP-CAN sessions, wherein if the IP-CAN Session-2 setup indication carries only the user identity, the PCRF will carry the IP-CAN Session-1 and IP of the same user identity. -CAN session-2 association; If the IP-CAN session-2 setup indication carries the user identity and the packet data network identifier, the PCRF will carry the same user identity and IP-CA session-1 and IP-CA of the packet data network identifier. Session-2 association; if the IP-CAN Session-2 setup indication carries the user identity, the packet data network identifier, and the terminal IP address, the PCRF will carry the IP-CAN session with the same user identity, packet data network identifier, and terminal IP address.
  • the PCRF entity is further configured to: determine whether the charging network element is HA/LMA or PDSN according to the IP-CAN session-2 establishment indication or the access mode of the MS/AT in the IP-CAN session-1 establishment indication; specifically, when the MS When the access mode of the /AT is CMIPv4-supporting reverse tunneling, PMIPv4, CMIPv6, or PMIPv6, it is determined that the HA/LMA is a charging network element. When the reverse tunnel is not supported between the HA/LMA and the PDSN, the MS/AT is used. When the access mode is CMIPv4 and the reverse tunnel is not supported, the PDSN is determined to be a charging network element.
  • the PCRF entity is also configured to: after the two IP-CAN sessions are associated, the charging policy is delivered to the charging network element, and the event reporting policy and the updated QOS policy are sent to the PDSN, and the HA/LMA is sent to the HA/LMA. Send a data routing and distribution policy, and send an event reporting policy to the HA/LMA.
  • the PDSN is set to: When the MS/AT accesses the CDMA2000 system through the SIP (such as SIPv4 or SIPv6), initiates an IP-CAN session establishment indication to the PCRF entity, where the user identifier, the identifier of the packet data network, and the terminal IP address are carried.
  • SIP such as SIPv4 or SIPv6
  • the PCRF is set to: After the IP-CAN session is established, the charging policy and other policies (such as the updated QOS policy and event reporting policy) are sent to the PDSN.
  • the present invention also provides a charging rule decision (PCRF) entity, which includes: a session establishment module and a delivery module, where:
  • PCRF charging rule decision
  • the session establishment module is configured to: when the terminal accesses the code division multiple access (CDMA) system by means of mobile IP, receive a second IP connection access network (IP-CAN) sent by the packet data serving node (PDSN) to the PCRF entity. a session establishment indication, and establishing a second IP-CAN session, and receiving a first IP-CAN session establishment indication sent by the anchor gateway to the PCRF entity, and establishing a first session to associate the established two IP-CAN sessions; or
  • IP-CAN IP connection access network
  • the delivery module is configured to: deliver the charging policy to the charging network element.
  • the PDSN or the anchor gateway is a charging network element, or when the terminal accesses the CDMA system by means of simple IP, charging The gateway is a PDSN.
  • the second IP-CAN session establishment indication carries the user identifier, or carries the user identifier and the identifier of the packet data network, or carries the user identifier, the identifier of the packet data network, and the IP address of the user terminal;
  • the first IP-CAN session establishment indication carries the user Identification, identification of the packet data network, and terminal
  • the session establishment module is configured to associate two IP-CAN sessions to be established as follows: If the second IP-CAN session establishment indication carries only the user identity, the session establishment module will carry the first IP-CAN of the same user identity. The session is associated with the second IP-CAN session. If the second IP-CAN session establishment indication carries the user identifier and the packet data network identifier, the session establishment module carries the same user identifier and the first IP-CAN of the packet data network identifier. The session is associated with the second IP-CAN session. If the second IP-CAN session establishment indication carries the user identifier, the packet data network identifier, and the terminal IP address, the session establishment module carries the same user identifier, the packet data network identifier, and the terminal IP.
  • the first IP-CAN session of the address is associated with the second IP-CAN session.
  • the access mode of the terminal is CMIPv4-support reverse tunnel, or PMIPv4, or CMIPv6 or PMIPv6.
  • the access mode of the terminal is CMIPv4 - the reverse tunnel is not supported;
  • the second IP-CAN session establishment indication or the first IP-CAN session establishment indication also carries the access mode of the terminal;
  • the delivery module is further configured to: The incoming mode determines whether the charging network element is an anchor gateway or a PDSN.
  • the charging network element is an anchor gateway, and the PCRF entity is to the anchor gateway.
  • the charging policy is delivered.
  • the charging network element is the PDSN, and the PCRF entity sends the charging policy to the PDSN.
  • the present invention also provides a policy and charging control method.
  • both the HA/LMA and the PDSN establish an IP-CAN message with the PCRF, and the two IP-CANs that the PCRF will establish.
  • the session is associated, and one of the HA/LMA and the PDSN is used as the charging network element.
  • the PCRF then sends the charging policy to the charging network element.
  • the MS/AT initiates an access procedure to the CDMA2000 system by sending a Mobile IP registration request to the PDSN.
  • PDSN is receiving mobile
  • the PDSN acts as the PCEF-2, establishes an IP-CAN session-2 with the PCRF entity, and informs the PCRF entity of the MS/AT access mode (CMIPv4-supports the reverse tunnel); the HA/LMA receives the PDSN.
  • CMIPv4-supports the reverse tunnel the HA/LMA
  • HA/LMA acts as PCEF-1 and establishes IP-CAN session-1 with the PCRF entity, because when establishing two IP-CAN sessions, the user identity, the identity of the packet data network, and the terminal IP The information such as the address is the same, the PCRF will associate the two IP-CAN sessions; and PCEF-2 informs the PCRF that the current terminal access mode is: CMIPv4-supports the reverse tunnel, so the PCRF entity knows the charging at this time.
  • the functional network element is HA/LMA.
  • the PCRF entity will send the accounting policy to PCEF-1 instead of PCEF-2.
  • PCEF-1 will complete the functions of billing and different IP connection data distribution.
  • PCEF-2 will Complete the functions of bearer binding, event reporting, and so on.
  • the method comprises the following steps:
  • the MS/AT accesses the PDSN, and successfully negotiates a Link Control Protocol (LCP) with the PDSN.
  • LCP Link Control Protocol
  • 602 The MS/AT and the PDSN successfully complete the IP Protocol (IPCP) negotiation, and the MS/AT does not request the PDSN to allocate an IP address.
  • IPCP IP Protocol
  • 603 The PDSN detects that the user is a MIP user, and sends a mobile IP proxy advertisement (MIP). Agent
  • the MS/AT sends a Mobile IP Registration Request (RRQ) to the PDSN to request registration of the MIP session.
  • RRQ Mobile IP Registration Request
  • the PDSN After receiving the MIP RRQ, the PDSN, as the PCEF-2, initiates an IP-CAN session-2 establishment indication to the PCRF entity, and establishes an IP-CAN session-2 with the PCRF entity, where the IP-CAN session-2 establishes an indication to carry the user.
  • the PDSN initiates an IP-CAN Session-2 setup indication to the Visit PCRF (vPC F), and the vPCRF forwards the IP-CAN Session-2 Setup indication to the Home PCRF (home PCRF, hPC F); Scenario, the PDSN initiates an IP-CAN session-2 establishment indication to the hPCRF;
  • the PDSN sends a MIP RRQ to the HA/LMA, requesting association with the HA/LMA, where Carry information such as user ID, packet data network identifier, and terminal IP address (optional);
  • the HA/LMA After the HA/LMA receives the MIP RRQ, the HA/LMA sends an IP-CAN session-1 establishment indication to the PCRF (hPC F) as the PCEF-1, and the IP-CAN session-1 establishment indication carries the user identifier, the packet data network.
  • PCRF hPC F
  • PC F establishes an IP-CAN session-1 with HA/LMA; because the IP-CAN Session-1 setup indication is the same as the user ID carried by the IP-CAN Session-2 setup indication (When the IP-CAN Session-2 establishment indication only carries the user identity), or the carried user identity and the identity of the packet data network are the same (when the IP-CAN Session-2 setup indication carries the user identity and the identity of the packet data network) Time), or carry the same information such as the user identity, the identity of the packet data network, and the terminal IP address (when the IP-CAN session-2 setup indication carries the user identity, the identity of the packet data network, and the terminal IP address, etc.) , the PCRF ( hPCRF ) entity associates the two IP-CAN sessions;
  • PCRF (hPCRF) entity Since PCEF-2 informs the PCRF entity that the current terminal access mode is: CMIPv4- supports reverse tunneling, so the PCRF (hPCRF) entity knows that the functional network element for charging at this time is HA/LMA, PCRF (hPCRF) entity Returning an IP-CAN session-1 to the HA/LMA to establish an acknowledgment and carrying a charging policy;
  • the HA/LMA sends a MIP Mobile IP Registration Reply (RRP) to the PDSN;
  • RRP MIP Mobile IP Registration Reply
  • Step 611 The PCRF entity sends the updated QoS policy and the event reporting policy to the PDSN through the IP-CAN session-2. If the scenario is a roaming scenario, the hPCRF sends the policy to the vPCRF, and the vPCRF sends the policy to the PDSN. If it is not a roaming scenario, the hPCRF directly sends the foregoing policy to the PDSN; Step 611 can also be performed after step 608, that is, simultaneously with step 609. 612: The PDSN replies to the MIP RRP to the MS/AT. 613: The MS/AT starts to communicate with the external network through the HA/LMA.
  • Embodiment 2 Referring to the architecture diagram of FIG. 4 and the flowchart of FIG. 7, in this embodiment, when the user boots, the MS/AT initiates CMIPv4 access to the CDMA2000 1x or HRPD network, and the MS/AT initiates a mobile IP registration request to the PDSN to initiate the CDMA2000 system. Access step.
  • the PDSN After receiving the mobile IP registration request, the PDSN acts as PCEF-2, establishes an IP-CAN session-2 with the PCRF entity, and informs the PCRF of the MS/AT access mode (CMIPv4- does not support reverse tunneling); HA/ After receiving the mobile IP registration request sent by the PDSN, the HA/LMA acts as PCEF-1 and establishes an IP-CAN session-1 with the PCRF entity, because when establishing two IP-CAN sessions, the user identity and the packet data network The information such as the identifier and the terminal IP address are the same. The PCRF entity associates the two IP-CAN sessions. Moreover, PCEF-2 informs the PCRF entity that the current terminal access mode is: CMIPv4- does not support reverse tunneling.
  • PCEF-2 informs the PCRF entity that the current terminal access mode is: CMIPv4- does not support reverse tunneling.
  • the PCRF entity knows that the function network element for charging at this time is a PD SN, and the PCRF entity delivers the charging policy to PCEF-2 instead of PCEF-1, and PCEF-1 will perform functions such as data distribution of different IP connections.
  • PCEF-2 will perform functions such as billing, bearer binding, and event reporting.
  • the method includes the following steps: 701: The MS/AT accesses the PDSN, and successfully negotiates the LCP with the PDSN;
  • the MS/AT and the PDSN successfully complete the IPCP, and the MS/AT does not request the PDSN to allocate an IP address;
  • the PDSN detects that the user is a MIP user, and sends a MIP Agent Advertisement to the MS/AT.
  • the MS/AT sends a MIP RRQ to the PDSN to request registration of the MIP session.
  • the PDSN After receiving the MIP RRQ, the PDSN, as the PCEF-2, initiates an IP-CAN session-2 establishment indication to the PCRF, and establishes an IP-CAN session-2 with the PCRF.
  • the IP-CAN session-2 establishment indication carries the user identifier, Information such as the identity of the packet data network and the IP address of the terminal (where the identity of the packet data network and the IP address of the terminal are optional), and the access mode of the MS/AT (CMIPv4- does not support reverse tunneling);
  • the PDSN initiates an IP-CAN Session-2 setup indication to the vPCRF, and the vPCRF forwards the IP-CAN Session-2 Setup indication to the hPCRF; if not the roaming scenario, the PDSN initiates an IP-CAN Session-2 Setup indication to the hPCRF;
  • the PDSN sends the MIP RRQ to the HA/LMA, and the request is associated with the HA/LMA, where the user identifier
  • the HA/LMA After the HA/LMA receives the MIP RRQ, the HA/LMA sends an IP-CAN session-1 establishment indication to the PCR hPCRF entity as the PCEF-1, and requests to establish an IP-CAN session-1 with the PCRF, where the request carries the user identifier. Information such as the identity of the packet data network and the terminal IP address;
  • the PCRF entity establishes an IP-CAN session-1 with the HA/LMA; because when the IP-CAN session-1 is requested to be established, it is the same as the user identifier carried when requesting the establishment of the IP-CAN session-2 (when IP- The CAN session-2 establishment indication only carries the user identification), or the carried user identity and the identity of the packet data network are the same (when the IP-CAN session-2 establishment indication carries the user identity and the identity of the packet data network), or The information such as the carried user ID, the identifier of the packet data network, and the terminal IP address are the same (when the IP-CAN session-2 setup indication carries the user identifier, the identifier of the packet data network, and the terminal IP address, etc.), PCRF (hPCRF) The entity will associate these two IP-CAN sessions;
  • the PCRF (hPCRF) entity returns an IP-CAN session to the HA/LMA -1 establishes an acknowledgment;
  • the HA/LMA sends a MIP RRP to the PDSN.
  • step 711 Since PCEF-2 informs the PCRF entity that the current terminal access mode is: CMIPv4- does not support reverse tunneling, so the PCRF entity knows that the functional network element for charging at this time is a PDSN, and the PCRF entity passes the IP-CAN session-2.
  • the charging policy, the updated QoS policy, and the event reporting policy are sent to the PDSN. If the roaming scenario is performed, the hPCRF sends the policy to the vPCRF, and then the vPCRF sends the policy to the PDSN; if not, the hPCRF
  • the above policy is directly sent to the PDSN; step 711 can also be performed after step 708, that is, simultaneously with step 709. 712:
  • the MS/AT receives the downlink data packet through the HA/LMA, and sends the uplink data packet through the PDSN.
  • Embodiment 3 Referring to the architecture diagram of FIG. 3 and the flowchart of FIG. 8, in this embodiment, when the user boots, the MS/AT initiates PMIPv4 access to the CDMA2000 1x or HRPD network, and the MS/AT sends a point-to-point protocol to the PDSN (Point to Point). Protocol, PPP) The session initiates an access step to the CDMA2000 system.
  • the PDSN After receiving the IP control protocol negotiation request of the PPP session, the PDSN acts as the PCEF-2, establishes an IP-CAN session-2 with the PCRF entity, and informs the PCRF entity of the MS/AT access mode (PMIPv4); HA/LMA
  • the HA/LMA acts as PCEF-1 and establishes an IP-CAN session-1 with the PCRF entity because the user identity and other information are used when establishing two IP-CAN sessions ( APN, etc.) is the same, the PCRF will associate the two IP-CAN sessions; and PCEF-2 informs the PCRF that the current terminal access mode is: PMIPv4, so the PCRF knows that the functional network element for charging at this time is HA.
  • the PCRF entity will send the accounting policy to PCEF-1 instead of PCEF-2.
  • PCEF-1 will complete the functions of billing and different IP connection data distribution.
  • PCEF-2 will complete the bearer binding and event. Reporting and other functions.
  • the method includes the following steps: 801: The MS/AT accesses the PDSN, and successfully negotiates the LCP with the PDSN;
  • the MS/AT sends an IPCP negotiation request to the PDSN, and the MS/AT requests to allocate an IP address for the terminal;
  • the PDSN After receiving the IP control protocol negotiation request, the PDSN, as the PCEF-2, initiates an IP-CAN session-2 establishment indication to the PCRF entity to request to establish an IP-CAN session-2 with the PCRF entity, and the IP-CAN session-2 Establishing information such as carrying the user ID, the identifier of the packet data network, and the IP address of the terminal (the identifier of the packet data network and the terminal IP address are optional), and the access mode of the MS/AT (PMIPv4); if it is a roaming scenario, the PDSN Is to initiate an IP-CAN session-2 establishment indication to the vPCRF, and the vPCRF forwards the IP-CAN session-2 establishment indication to the hPCRF; if not the roaming scenario, the PDSN initiates an IP-CAN session-2 establishment indication to the hPCRF;
  • the PDSN sends a proxy mobile IP registration request (PRRQ) to the HA/LMA to request association with the HA/LMA, where the user identifier, the identifier of the packet data network, and the terminal IP address are carried (packet data network The identification and terminal IP address are optional); 805: After the HA/LMA receives the PRRQ, the HA/LMA sends an IP-CAN session-1 establishment indication to the PCRF (hPCRF) entity as PCEF-1 to request to establish an IP-CA session-1 with the PCRF entity, the IP-CAN Session-1 establishes an indication of carrying the user identity, the identity of the packet data network, and the terminal IP address; 806: The PCRF establishes an IP-CAN session-1 with the HA/LMA; because the IP-CAN session-1 establishes the indication IP-CAN The session-2 establishment indication carries the same user identity (when the IP-CAN session-2 establishment indication only carries the user identity), or the carried user identity and the identity of the packet data network are the
  • PCEF-2 informs the PCRF entity that the current terminal access mode is: PMIPv4, the PCRF entity knows that the functional network element for charging at this time is HA/LMA, and the PCRF (hPCRF) entity returns IP-CAN to the HA/LMA.
  • Session-1 establishes an acknowledgment and carries a charging policy; 808: The HA/LMA sends a PRRP (Proxy Mobile IP Registration Reply) to the PDSN;
  • Embodiment 4 Referring to the architecture diagram of FIG. 3 and the flowchart of FIG. 9, in this embodiment, when the user starts up, the MS/AT initiates CMIPv6 access to the CDMA2000 1x or HRPD network, and the MS/AT sends the CMIPv6 access to the PDSN.
  • the IPv6 control negotiation request sent to the PPP session initiates an access procedure to the CDMA2000 system.
  • the PDSN After receiving the IPv6 control negotiation of the PPP session, the PDSN acts as the PCEF-2, establishes an IP-CAN session-2 with the PCRF entity, and informs the PCRF entity of the MS/AT access mode (CMIPv6); HA/ After the LMA receives the binding update sent by the MS/AT, the HA/LMA acts as PCEF-1 and establishes an IP-CAN session-1 with the PCRF entity, because the user identity and other information are used when establishing two IP-CAN sessions. (APN, etc.) is the same, the PCRF entity will associate the two IP-CAN sessions; and PCEF-2 informs the PCRF entity that the current terminal access mode is: CMIPv6, so the PCRF entity knows the function of charging at this time.
  • CMIPv6 MS/AT access mode
  • the network element is HA/LMA, and the PCRF entity delivers the charging policy to PCEF-1 instead of PCEF-2.
  • PCEF-1 will perform charging and different IP connection data distribution functions.
  • PCEF-2 will complete the bearer. Binding, event reporting, and more. The method comprises the following steps:
  • the MS/AT accesses the PDSN, and successfully negotiates with the PDSN to the LCP;
  • the MS/AT sends an IPv6CP negotiation request to the PDSN, and does not request to allocate an IP address to the terminal, and the PDSN and the MS/AT complete the IPv6CP negotiation.
  • 903 After receiving the IPv6CP negotiation request, the PDSN sends the IP as the PCEF-2 to the PCRF entity.
  • the PDSN initiates an IP-CAN session-2 establishment indication to the vPCRF, and the vPCRF then the IP-CAN session-2 Establishing an indication to forward to the hPCRF; if not a roaming scenario, the PDSN initiates an IP-CAN session-2 establishment indication to the hPCRF;
  • MS/AT sends a binding update to HA/LMA
  • the PCRF entity establishes an IP-CAN session-1 with HA/LMA; because IP-CAN will Talk-1 establishes that the IP-CAN session-2 establishment indication carries the same user identity (when the IP-CAN session-2 establishment indication only carries the user identity), or the carried user identity and the identity of the packet data network are the same (when The IP-CAN session-2 establishes the indication that the user identifier and the identity of the packet data network are carried, or the information of the carried user identifier, the identifier of the packet data network, and the terminal IP address are the same (when the IP-CAN session-2 is established)
  • the PCRF (hPC F) entity associates the two IP-CAN sessions;
  • PCEF-2 informs the PCRF entity that the current terminal access mode is CMIPv6, the PCRF entity knows that the functional network element for charging at this time is HA/LMA, and the PCRF (hPCRF) entity returns an IP-CAN session to the HA/LMA.
  • -1 establishes an acknowledgment and carries a charging policy;
  • the HA/LMA sends a Binding Acknowledgement (BA) to the MS/AT, and carries an IP address assigned to the terminal;
  • BA Binding Acknowledgement
  • Step 909 The PCRF entity sends the updated QoS policy and the event reporting policy to the PDSN through the IP-CAN session-2; if it is a roaming scenario, the hPCRF sends the policy to the vPCRF, and then the vPCRF sends the policy to the PDSN; If it is not a roaming scenario, the hPCRF directly sends the foregoing policy to the PDSN.
  • Step 909 can also be performed after step 906, that is, simultaneously with step 907.
  • 910 The MS/AT exchanges data with the external network through the HA/LMA.
  • Embodiment 5 Referring to the architecture diagram of FIG. 3 and the flowchart of FIG. 10, in this embodiment, when the user boots, the MS/AT initiates PMIPv6 access to the CDMA2000 1x or HRPD network, and the MS/AT initiates the CDMA2000 system by sending a PPP session to the PDSN. Access steps.
  • the PDSN After receiving the IPv6 control negotiation request of the PPP session, the PDSN acts as the PCEF-2, establishes an IP-CAN session-2 with the PCRF entity, and informs the PCRF entity of the MS/AT access mode (PMIPv6); the HA/LMA is After receiving the proxy binding update sent by the PDSN, HA/LMA acts as PCEF-1 and establishes IP-CAN session-1 with the PCRF entity, because the user identity and other information are established when establishing two IP-CAN sessions. (APN, etc.) is the same, the PCRF entity will associate the two IP-CAN sessions; and PCEF-2 informs the PCRF entity that the current terminal access mode is: PMIPv6, so the PCRF entity knows the function of charging at this time.
  • PMIPv6 MS/AT access mode
  • the network element is HA/LMA, and the PCRF entity delivers the charging policy to PCEF-1 instead of PCEF-2.
  • PCEF-1 will perform charging and different IP connection data distribution functions, and PCEF-2 will complete the bearer. Binding and event reporting. The method comprises the following steps:
  • the MS/AT accesses the PDSN, and successfully negotiates with the PDSN to the LCP;
  • the MS/AT sends an IPv6CP request to the PDSN, and then requests an IP address for the terminal;
  • the PDSN After receiving the IPv6 control negotiation request, the PDSN, as the PCEF-2, initiates an IP-CAN session-2 establishment indication to the PCRF entity, to request to establish an IP-CAN session-2 with the PCRF, and establish an IP-CAN session-2 indication.
  • the PDSN sends a Proxy Binding Update (PBU) to the HA/LMA to request association with the HA/LMA.
  • PBU Proxy Binding Update
  • the PBU carries information such as the user identifier, the identifier of the packet data network, and the terminal IP address (identity of the packet data network). And the terminal IP address is optional);
  • PCRF PCRF
  • CAN session-1, IP-CAN session-1 establishment indication carries information such as user identity, identity of packet data network, and terminal IP address;
  • the PCRF entity establishes an IP-CAN session-1 with the HA/LMA; since the IP-CAN Session-1 setup indication is the same as the user identity carried by the IP-CAN Session-2 setup indication (when the IP-CAN Session-2 is established) When the user ID is only carried, the user ID and the identifier of the packet data network are the same (when the IP-CAN session-2 establishment indication carries the user identifier and the identifier of the packet data network), or the user identifier carried, The information of the packet data network and the IP address of the terminal are the same (when When the IP-CAN Session-2 setup indication carries information such as the user identity, the identity of the packet data network, and the terminal IP address, the PCRF (hPCRF) entity associates the two IP-CAN sessions;
  • PCEF-2 informs the PCRF that the current terminal access mode is PMIPv6
  • PCRP knows that the functional network element for charging at this time is HA/LMA
  • the PCRF (hPCRF) entity returns IP-CAN session-1 to HA/LMA.
  • the HA/LMA sends a Proxy Binding Acknowledgement (PBA) to the PDSN;
  • PBA Proxy Binding Acknowledgement
  • Step 1009 The PCRF entity sends the updated QoS policy and the event reporting policy to the PDSN through the IP-CA session-2; if it is a roaming scenario, the hPCRF sends the policy to the vPCRF, and then the vPCRF sends the policy to the PDSN; If it is not a roaming scenario, the hPCRF directly sends the foregoing policy to the PDSN.
  • Step 1009 may also be performed after step 1006, that is, concurrently with step 1007.
  • the PDSN and the MS/AT complete the IPv6 control negotiation and transmit the IP address to the terminal.
  • the MS/AT exchanges data packets with the external network through the HA/LMA.
  • the HA/LMA may also carry the access mode of the MS/AT when transmitting the IP-CAN session-1 establishment indication, and may also notify the PCRF by using the MS/AT access mode in other manners. The invention is not limited thereto.
  • Embodiment 6 Referring to the architecture diagram of FIG. 5 and the flowchart of FIG. 11, in this embodiment, when the user boots, the MS/AT initiates SIPv4 access to the CDMA2000 1x or H PD network, and the MS/AT sends IP control of the PPP session to the PDSN.
  • the protocol negotiates a request to initiate an access step to the CDMA2000 system.
  • the PDSN acts as a PCEF entity, establishes an IP-CAN session with the PCRF entity, and informs the PCRF entity of the MS/AT access mode (SIPv4), and the PCRF entity will forward to the PCEF entity.
  • the policies such as accounting and QoS are delivered, the PCEF will perform functions such as charging, binding of different IP connection data, and event reporting.
  • the method comprises the following steps:
  • the MS/AT accesses the PDSN, and successfully negotiates with the PDSN, LCP;
  • the MS/AT sends an IP control protocol negotiation request to the PD SN.
  • the PDSN After receiving the IP control protocol negotiation request, the PDSN, as a PCEF entity, initiates an IP-CAN session establishment indication to the PCRF, and establishes an IP-CAN session with the PCRF entity, where the IP-CAN session establishment indication carries the user identifier and the packet data network. Information such as the identifier and the terminal IP address, and the access mode of the MS/AT (SIPv4); if it is a roaming scenario, the PDSN initiates an IP-CAN session-2 establishment indication to the vPCRF, and the vPCRF establishes the IP-CAN session-2 again. The indication is forwarded to the hPCRF; if it is not a roaming scenario, the PDSN initiates an IP-CAN session-2 establishment indication to the hPCRF;
  • the PCRF entity delivers a charging policy, a QoS policy, and an event reporting policy to the PDSN, and the PDSN performs functions such as charging, binding of different IP connection data, and event reporting. If it is a roaming scenario, the hPCRF sends the above to the vPCRF, and then the vPCRF sends the policy to the PDSN; if it is not the roaming scenario, the hPCRF directly sends the policy to the PDSN; 1105: The PDSN and the MS/AT complete the IPCP negotiation;
  • the MS/AT exchanges data packets with the external network through the PDSN.
  • the MS/AT when the user is powered on, the MS/AT initiates SIPv6 access to the CDMA2000 1x or HRPD network, and the MS/AT sends an IPv6 control negotiation request to the PDSN by using the PPP session, thereby Initiate an access step to the CDMA2000 system.
  • the PDSN After the PDSN receives the IPv6 control negotiation request of the PPP session, the PDSN acts as the PCEF entity, establishes an IP-CAN session with the PCRF, and informs the PCRF entity of the access mode (SHV6) of the MS/AT, and the PCRF entity delivers the packet to the PCEF entity.
  • the PCEF entity will perform functions such as billing, bearer binding for different IP connection data distribution, and event reporting.
  • the MS/AT accesses the PDSN, and successfully negotiates the LCP with the PDSN.
  • 1202 The MS/AT sends an IPv6 control negotiation request to the PDSN.
  • the PDSN After receiving the IPv6 control negotiation request, the PDSN, as a PCEF entity, initiates an IP-CAN session establishment indication to the PCRF entity, and establishes an IP-CAN session with the PCRF, where the user identifier, the identifier of the packet data network, and the terminal IP address are carried. Information, and the access mode of the MS/AT (SIPv6); if it is a roaming scenario, the PDSN initiates an IP-CAN session-2 establishment indication to the vPCRF, and the vPCRF forwards the IP-CAN session-2 establishment indication to the hPCRF; Not a roaming scenario, the PDSN initiates an IP-CAN Session-2 setup indication to the hPCRF;
  • SIPv6 MS/AT
  • the PCRF entity delivers a charging policy, a QoS policy, and an event reporting policy to the PDSN.
  • the PDSN performs functions such as charging, binding of different IP connection data, and event reporting. If it is a roaming scenario, the hPCRF sends the above policy to the vPCRF, and then the vPCRF sends the above policy to the PDSN; if it is not the roaming scenario, the hPCRF directly sends the policy to the PDSN;
  • 1205 The PDSN and the MS/AT complete the IPv6CP negotiation.
  • 1206 The MS/AT exchanges data packets with the external network through the PDSN.
  • the present invention provides a policy and charging control system and method capable of enhancing and using an existing PCC scheme in a CDMA2000 system, and having little change to the existing CDMA2000 system architecture is simple and easy.

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention porte sur un procédé de commande de politique et de facturation, comprenant les opérations suivantes : lorsqu'un terminal accède à un système d'accès multiple à répartition par code (CDMA) dans un mode de protocole Internet mobile (IP), la passerelle d'ancrage et le nœud de desserte de données par paquet (PDSN) établissent tous deux des sessions de réseau d'accès de connectivité IP (IP-CAN) avec l'entité à fonction de règles de politique et de facturation (PCRF); l'entité PCRF met en relation l'une avec l'autre les deux sessions IP-CAN établies; et l'entité PCRF délivre les politiques de facturation à l'élément de réseau de facturation qui est soit le PDSN, soit la passerelle d'ancrage. La présente invention fournit également un système de commande de politique et de facturation et une entité PCRS. Au moyen de l'invention, on améliore la solution de commande de politique et de facturation existante (PCC) et on l'utilise dans un système CDMA2000, les modifications à l'architecture existante du système CDMZA2000 étant limitées et faciles à mettre en œuvre.
PCT/CN2010/073956 2009-07-17 2010-06-13 Système, procédé et politique, et entité à fonction de règles de politique et de facturation (pcrf) pour commande de politique et de facturation WO2011006408A1 (fr)

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