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WO2008141589A1 - Système de communication sans fil, appareil et procédé de communication sans fil - Google Patents

Système de communication sans fil, appareil et procédé de communication sans fil Download PDF

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Publication number
WO2008141589A1
WO2008141589A1 PCT/CN2008/071055 CN2008071055W WO2008141589A1 WO 2008141589 A1 WO2008141589 A1 WO 2008141589A1 CN 2008071055 W CN2008071055 W CN 2008071055W WO 2008141589 A1 WO2008141589 A1 WO 2008141589A1
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WIPO (PCT)
Prior art keywords
3gpp network
network
mobile terminal
aaa server
wireless communication
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2008/071055
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English (en)
Chinese (zh)
Inventor
Yong Xie
Yuhua Chen
Sihong Zhou
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Filing date
Publication date
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Publication of WO2008141589A1 publication Critical patent/WO2008141589A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/02—Inter-networking arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/06—Authentication
    • H04W12/069—Authentication using certificates or pre-shared keys

Definitions

  • the present invention relates to the field of wireless communications, and in particular
  • Wired Worldwide Interoperability for Microwave Access
  • IEEE Institute of Electrical and Electronics Engineers
  • the basic principle of technology is to provide a broadband wireless access method that can effectively interoperate in a multi-vendor environment of a metropolitan area network with a multi-vendor environment, which has the advantages of long transmission distance and high transmission rate.
  • the network structure of WiMAX is shown in Figure 1. It consists of three parts, namely, mobile terminal (Mobile Station, called “MS”), access service network (Access Service Network, "ASN”) and connection service network. (Connected Service Network, "CSN”).
  • the ASN includes a base station ("Base Station") and an Access Service Network GateWay (ASN-GW), and the CSN includes a prepaid server (Predified Service). ), and logical entities such as Authentication, Authorization, and Accounting (“AAA”) servers.
  • the entities in the WiMAX network are connected by interfaces from R1 to R6. The specific locations of the interfaces are shown in Figure 1.
  • the framework of the "3GPP" policy and charging control (Policy and Charging Control, "PCC”) architecture is shown in Figure 2.
  • the application function entity (Application Function, called “AF") in the Application Service Provider ("ASP") network, and the Policy Charging Rule in the CSN (Policy Charging Rule) Function, the cartridge is called “PCRF"), the Policy Distribution Function ("PDF") for distributing PCC rules, the Home Agent (“HA”), and the strategy within the ASN.
  • PCEF Accounting Charging Enforcement Function
  • SFA Service Flow Authorization
  • SFA Service Flow Authorization
  • Accounting Client Accounting Client
  • Accounting Agent Accounting Agent
  • Anchor DPF/FA anchor Data Path Function/Foreign Agent
  • the WiMAX network is a non-3GPP network, and the interworking architecture of the non-3GPP network and the 3GPP System Architecture Evolution (SAE) network is shown in Figure 3 and Figure 4.
  • Figure 3 shows the interworking architecture between the non-3GPP network and the SAE network in the non-roaming situation.
  • Figure 4 shows the interworking architecture between the non-3GPP network and the SAE network in the roaming situation.
  • the SAE network is a Release 8 version of the network architecture defined by the 3GPP standards organization, which allows non-3GPP networks to access the 3GPP SAE network and defines a connection architecture between the trusted non-3GPP IP access network and the SAE network. .
  • Gateway Gateway
  • 3GPP AAA server Home Subscriber Server
  • HSS Home Subscriber Server
  • PCRF User Equipment
  • UE User Equipment
  • the gateway of the SAE network has two different logical SAE gateways, namely a SAE service gateway (Serving GW) and a packet data network gateway (PDN GW).
  • SAE service gateway Serving GW
  • PDN GW packet data network gateway
  • the interfaces involved are: S2a interface between non-3GPP IP access network and GW, user terminal and
  • S2c interface between GW, S5 interface between Serving GW and PDN GW, S6c interface between home (Home, GW and 3GPP AAA server, Visited (called "v") GW in PLMN
  • S7 interface between the S6d interface and the 3GPP AAA proxy server, the S7 interface between the PCRF and the Policy and Charging Enforcement Point (PCEF), and the roaming interface S8b and V of the home routing service in the roaming situation.
  • PCRF Policy and Charging Enforcement Point
  • PCRF and h PCRF S9 interface between, Rx+ interface between AF and PCRF, Ta* interface between non-3GPP access network and 3GPP AAA server/proxy server, Wx* interface between 3GPP AAA server and HSS, and 3GPP AAA proxy The Wd* interface between the server and the 3GPP AAA server.
  • the inventors of the present invention have found that according to the current scheme, the mobile terminal may not be able to smoothly access the 3GPP network through the non-3GPP network. This is because the AAA server in the 3GPP network can satisfy the characteristics of the 3GPP network, but may not be able to satisfy the characteristics of the non-3GPP network, and thus may cause the problem that the mobile terminal cannot smoothly access the 3GPP network through the non-3GPP network. Summary of the invention
  • a technical problem to be solved by embodiments of the present invention is to provide a wireless communication system, apparatus, and wireless communication method, enabling a mobile terminal to smoothly access a 3GPP network through a non-3GPP network.
  • an embodiment of the present invention provides a wireless communication system including a third generation partner project 3GPP network and a non-3GPP network, and the mobile terminal accesses the 3GPP network through the non-3GPP network;
  • the 3GPP network includes a first authentication, authorization, and accounting AAA server for providing authentication, authorization, and accounting functions for the mobile terminal;
  • the wireless communication system includes a second AAA server for forwarding the first AAA server and the non-
  • An embodiment of the present invention further provides a wireless communication apparatus, including: a second AAA server
  • the second AAA server is configured to forward the communication message between the first AAA server and the non-3GPP network in the 3GPP network, and assist the first AAA server to complete the authentication, authorization, and charging functions of the mobile terminal.
  • An embodiment of the present invention further provides a wireless communication method, including the following steps: a mobile terminal accesses a 3GPP network through a non-3GPP network; The first AAA server of the 3GPP network performs authentication, authorization, and charging on the accessed mobile terminal;
  • the second AAA server forwards the communication message between the first AAA server and the non-3GPP network, and assists in completing the authentication, authorization, and charging functions of the mobile terminal.
  • the embodiment of the present invention has the effect that even if the AAA server in the 3GPP network cannot meet the characteristics of the non-3GPP network, the function that the AAA server in the 3GPP network cannot satisfy can be completed by another AAA server. Thereby, the mobile terminal can smoothly access the 3GPP network through the non-3GPP network, thereby achieving higher efficiency and benefit.
  • FIG. 1 is a schematic structural diagram of a WiMAX network in the prior art
  • FIG. 2 is a schematic diagram of a WiMAX network convergence PCC architecture in the prior art
  • FIG. 3 is a schematic diagram of an interworking architecture between a non-3GPP network and a SAE network in a non-roaming situation in the prior art
  • FIG. 4 is a schematic diagram of an interworking architecture between a non-3GPP network and a SAE network in a roaming situation in the prior art
  • FIG. 5 is a schematic structural diagram of a wireless communication system according to a first embodiment of the present invention.
  • FIG. 6 is a schematic diagram showing the structure of a PDN GW in which a HA is located in a PLMN in the first embodiment of the present invention
  • FIG. 7 is a schematic structural diagram of a wireless communication system according to a second embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of a wireless communication system according to a third embodiment of the present invention.
  • FIG. 9 is a schematic structural view of an LMA located in a WiMAX HA in a CSN according to a third embodiment of the present invention.
  • FIG. 10 is a schematic structural diagram of a wireless communication system according to a fourth embodiment of the present invention.
  • FIG. 11 is a schematic structural diagram of implementing HA and PDF in a PDN GW of a PLMN in a fourth embodiment of the present invention
  • FIG. 12 is a schematic structural diagram of a wireless communication system according to a fifth embodiment of the present invention.
  • FIG. 14 is a schematic structural diagram of a wireless communication system according to a sixth embodiment of the present invention.
  • FIG. 15 is a schematic structural diagram of a wireless communication system according to a seventh embodiment of the present invention.
  • FIG. 16 is a schematic structural diagram of a PDN GW located in a PLMN of a visited place in an eighth embodiment of the present invention.
  • FIG. 18 is a schematic structural diagram of a wireless communication system according to a ninth embodiment of the present invention.
  • FIG. 19 is a schematic structural diagram of a wireless communication apparatus according to a tenth embodiment of the present invention.
  • Figure 20 is a flowchart of a wireless communication method according to a tenth embodiment of the present invention. detailed description
  • a first embodiment of the present invention relates to a communication system, including a 3GPP network and a non-3GPP network.
  • a 3GPP network uses a SAE network as an example
  • a non-3GPP network uses a WiMAX network as an example.
  • Fig. 5 is a block diagram showing the structure of a wireless communication system according to a first embodiment of the present invention.
  • the non-3GPP network accesses the mobile terminal to the 3GPP network through the connection service network CSN of the network, that is, for the mobile terminal, the access network and the core network attached to the mobile terminal are non-3GPP networks, and the access is
  • the 3GPP network is the home 3GPP network of the mobile terminal user.
  • the accessed 3GPP network is a PLMN of the SAE network
  • the first AAA server of the 3GPP network is included in the PLMN, and is used to provide authentication, authorization, and charging functions for the mobile terminal.
  • the second AAA server of the WiMAX network is included in the CSN of the WiMAX network, and is used to forward the connection between the first AAA server and the WiMAX ASN of the 3GPP network. The message is sent, and the first AAA server is assisted to complete the authentication, authorization and charging functions of the mobile terminal.
  • the second AAA server of the WiMAX network must be responsible for completing the AAA function that the former cannot perform, including but not limited to one or any combination of the following: The mobile IP protocol key generation function, the identification authentication mode function, the device authentication function, and the authentication and authentication encryption key generation and distribution function.
  • the second AAA server of the WiMAX network forwards the communication message between the first AAA server and the WiMAX ASN in the 3GPP network through the Wd* interface, such as an authentication related message.
  • the PLMN network also includes an HA of the mobile terminal, and the HA is used to access the mobile terminal to the IP service, so that the user of the mobile terminal can access the packet data network PDN through the 3GPP network, and use the IP service.
  • the first AAA server in the 3GPP network may interact with the subscription information database (such as HSS) to obtain user or service related information.
  • the first AAA server and the subscription information database may be implemented in the same physical entity, at which time they communicate via internal messages.
  • the PCRF is also included in the PLMN of the SAE network and the CSN of the WiMAX network, respectively.
  • the mobile terminal accesses the PLMN of the SAE network through the CSN of the WiMAX network. Therefore, for the mobile terminal, the CSN of the WiMAX network can be regarded as the visited network of the mobile terminal user. That is, the PCRF in the CSN is V PCRF (visited PCRF), and the PCRF in PLMN is h PCRF (home PCRF).
  • the h PCRF is used for policy decision generation to generate PCC rules, and is sent to the PCRF (ie, PCRF) in the CSN through the S9 interface.
  • the PCRF may be a separate entity, which may be implemented in one entity with the AAA server or with other entities.
  • a policy distribution function entity (ie, PDF) is further included in the CSN of the WiMAX network, and is configured to distribute the generated PCC rules to each PCC policy enforcement entity, such as an ASN of the WiMAX network and an HA of the mobile terminal, where the policy distribution function entity
  • the generated PCC rules are received at the V PCRF.
  • the V PCRF receives the generated PCC rule from the h PCRF through the S9 interface, and forwards the PCC rule directly to the PDF, or the V PCRF is connected from the h PCRF through the S9 interface.
  • the PCC rule is modified according to the local network policy and/or the network subscription policy, and the modified PCC rule is sent to the PDF.
  • the received PCC rules are distributed by the PDF to each PCC policy enforcement entity, ensuring that each PCC policy enforcement entity (such as ASN, HA, PDN GW and service gateway in the 3GPP network) can smoothly perform quality of service on the mobile terminal.
  • QoS Quality of Service
  • the PDF can be implemented independently or in conjunction with the PCRF in the network (in this case, the PCF rule is directly sent by the PCRF to the PCC policy enforcement entity), or implemented in the ASN-GW (in this case, by ASN-GW). Complete the distribution), or implement it with HA (this is the distribution completed by HA).
  • the HA is allocated in the PLMN (as shown in FIG. 5), and the PCC rule is generated by the h PCRF in the PLMN, and is sent to the PDF in the CSN through the v PCRF in the CSN, and then The PDF is sent to ASN and HA.
  • the PCC rules generated by the h PCRF can also be sent to the HA through the policy distribution function entity PDF in the PLMN network.
  • the HA can be located in the PDN GW in the PLMN.
  • the system structure of this embodiment is as shown in FIG. 6, and the mobile terminal accesses the IP service through the PDN GW.
  • HA is not acting as a PCC policy enforcement entity
  • B&B does not need to send PCC rules to the HA. It is not difficult to find that, in this embodiment, even if the first AAA server in the 3GPP network cannot meet the characteristics of the non-3GPP network, the second AAA server of the non-3GPP network can complete the first AAA server in the 3GPP network that cannot be satisfied.
  • the mobile terminal can smoothly access the 3GPP network through the non-3GPP network, thereby achieving higher efficiency and benefit.
  • FIG. 7 is a schematic structural diagram of a wireless communication system according to a second embodiment of the present invention. As shown in FIG. 7, in the present embodiment, the visited route is used, and the HA is allocated in the CSN of the WiMAX network.
  • the PCC rule is generated by the h PCRF in the PLMN, sent to the PDF in the CSN through the V PCRF in the CSN, and then sent to the ASN and the HA by the PDF.
  • FIG. 8 is a schematic structural diagram of a wireless communication system according to a third embodiment of the present invention.
  • the third embodiment of the present invention is substantially the same as the first embodiment, except that in the first embodiment, the mobile terminal is not used to access the network using hierarchical mobile management; in the present embodiment, the hierarchy is used.
  • Mobile management such as Hierachical MIP ("Hail"), connects the mobile terminal to the network.
  • the original HA of the WiMAX network can be used as a Local Mobility Agent (LMA) to implement the local mobility anchor function to manage the anchoring of local mobility.
  • LMA Local Mobility Agent
  • At least one of the first AAA server in the 3GPP network and the second AAA server in the WiMAX network also needs to generate and deliver the HMIP key to the HA and the LMA.
  • the PCC rule is generated by the h PCRF in the PLMN. After being sent to the PDF in the CSN by the PCRF in the CSN, the PDF also needs to send the received PCC rule to the LMA, as shown in FIG. 8.
  • the LMA can be located in the WiMAX HA in the CSN.
  • the system structure of this embodiment is as shown in FIG. 9, wherein the HA of the mobile terminal is still located in the PDN GW in the PLMN.
  • the PCC architecture deployed in the WiMAX network is taken as an example. If the PCC architecture is not deployed in the WiMAX network, the QoS of the existing WiMAX network is still used.
  • the billing framework, the PCC rules generated in the PLMN are sent to the policy function entity ("PF") in the CSN.
  • the PF completes the policy charging information in the WiMAX network, and the PF may be based on the local policy. Make corresponding tampering with the PCC rules.
  • FIG. 10 is a schematic structural diagram of a wireless communication system according to a fourth embodiment of the present invention.
  • a fourth embodiment of the present invention relates to a communication system, including a 3GPP network and a non-3GPP network, the non-3GPP network accessing the mobile terminal to the 3GPP network through an access service network ASN of the network, and the accessed 3GPP network is
  • the mobile terminal user's home 3GPP network, the first AAA server and the second AAA server are implemented in the same physical device. That is, for the mobile terminal, the mobile terminal directly accesses the 3GPP home 3GPP network through the ASN of the non-3GPP network, the first The physical device in which the AAA server and the second AAA server are located is located in the home 3GPP network of the mobile terminal user.
  • the 3GPP network in this embodiment is a SAE network
  • the non-3GPP network is a WiMAX network
  • the accessed 3GPP network is a PLMN of the SAE network
  • the PLMN includes a 3GPP AAA server (that is, a synthesis of the first AAA server and the second AAA server) for providing the mobile terminal.
  • 3GPP AAA server that is, a synthesis of the first AAA server and the second AAA server
  • Authentication, authorization, and accounting functions and complete all relevant functions required by the mobile terminal in the 3GPP network and the non-3GPP network, that is, all functions related to authentication, authorization, and charging in the SAE network and the WiMAX network, including It is not limited to user and/or device authentication, air interface/device/mobile IP key generation and distribution, billing function, and preset stream delivery.
  • the 3GPP AAA server may interact with a subscription information database, such as an HSS, to obtain user or service related information.
  • a subscription information database such as an HSS
  • the 3GPP AAA server and the subscription information database may be implemented in the same physical entity, at which point they communicate via internal messages.
  • a PCRF and a policy distribution function entity (e.g., PDF) for generating a PCC rule for the mobile terminal, the policy distribution function entity for distributing the generated PCC rule to each PCC policy enforcement entity. That is, the PCRF in the PLMN sends the generated PCC rule to the PDF, and the PDF distributes the received PCC rule to each PCC policy enforcement entity, thereby ensuring that each PCC policy enforcement entity can smoothly perform the mobile terminal. Billing.
  • a policy distribution function entity e.g., PDF
  • the PCC policy enforcement entity may be one or any combination of the following: an ASN, an HA of the mobile terminal, a PDN GW, a serving gateway, the HA needs to be able to satisfy the WiMAX network characteristics, and/or perform policy charging of the PLMN network,
  • the mobile terminal accesses the IP service through the HA, so that the user of the mobile terminal can use the IP service.
  • the interface between the PLMN network and the ASN needs to provide the ability to pass PCC rules.
  • the mobile terminal passes the PDN
  • the GW accesses the IP service, and the S2a interface between the PDN GW and the ASN supports the mobile IP protocol. You also need to support the sending of the PCC rules to the corresponding entities in the ASN network, as shown in Figure 11.
  • the 3GPP AAA server in the PLMN network combines the first AAA server and the second AAA server, so that the characteristics of the WiMAX network can be satisfied, thereby ensuring that the mobile terminal can successfully connect through the ASN of the WiMAX network. Into the 3GPP network, achieving higher efficiency and efficiency.
  • FIG. 12 is a block diagram showing the structure of a wireless communication system according to a fifth embodiment of the present invention.
  • a fifth embodiment of the present invention relates to a communication system, which is substantially the same as the fourth embodiment, except that in the fourth embodiment, the mobile terminal is not connected to the network using hierarchical mobile management; In the present embodiment, hierarchical mobile management is used, such as HMIP to access the mobile terminal to the network.
  • hierarchical mobile management is used, such as HMIP to access the mobile terminal to the network.
  • the local mobility anchor point is also included in the PLMN, and is referred to as LMA in HMIP to manage the anchoring of local mobility.
  • the 3GPP AAA server also needs to generate the HMIP key.
  • the PCC rule is generated by the PCRF, and after being sent to the PDF, the PDF also needs to send the received PCC rule to the LMA.
  • the LMA can be located in the monthly service gateway in the PLMN.
  • the system structure of this embodiment is as shown in FIG. 13, where the HA and PDF of the mobile terminal are still located in the PDN GW in the PLMN, and the mobile terminal accesses through the PDN GW. In the IP business.
  • FIG. 14 is a schematic structural diagram of a wireless communication system according to a sixth embodiment of the present invention.
  • a sixth embodiment of the present invention relates to a communication system, which is substantially the same as the fourth embodiment, except that in the fourth embodiment, the mobile terminal directly accesses the mobile terminal user through the ASN of the WiMAX network.
  • the first AAA server and the second AAA server are implemented in the same physical device; in this embodiment, the mobile terminal accesses the visited 3GPP network of the mobile terminal user through the ASN of the WiMAX network, and then passes the The visited 3GPP network accesses the home 3GPP network of the mobile terminal, the first AAA server is located in the home 3GPP network of the mobile terminal user, and the second AAA server is located in the visited 3GPP network of the mobile terminal user, and the mobile terminal accesses the visit Both the 3GPP network and the home 3GPP network are 3GPP PLMNs. Specifically, as shown in FIG. 14, the mobile terminal accesses the home PLMN through the ASN and the visited PLMN network.
  • a first AAA server of the 3GPP network included in the home PLMN network configured to provide an authentication, authorization, and charging function for the mobile terminal, and complete all related functions required by the mobile terminal in the 3GPP network and the non-3GPP network, All the functions related to authentication, authorization, and accounting in the SAE network and WiMAX network.
  • a second AAA server included in the visited PLMN network configured to forward a communication message between the first AAA server in the home PLMN network and the ASN of the WiMAX network, and therefore, the first in the visited PLMN network
  • the role of the second AAA server is the AAA proxy server.
  • PCRF home PCRF (h PCRF) and visiting PCRF (v PCRF;)
  • h PCRF home PCRF
  • v PCRF visiting PCRF
  • the h PCRF is used to generate a PCC rule for the mobile terminal, and sends it to the v PCRF through the S9 interface.
  • a policy distribution function entity (ie, PDF) is further included in the visited PLMN network, and is configured to distribute the generated PCC rules to each PCC policy enforcement entity, such as an ASN of the WiMAX network and an HA of the mobile terminal, and the policy distribution function entity
  • the generated PCC rules are received from the V PCRF.
  • the V PCRF receives the generated PCC rule from the h PCRF through the S9 interface, and forwards the PCC rule directly to the PDF, or the V PCRF receives the generated PCC rule from the h PCRF through the S9 interface.
  • the PCC rule is modified according to the local network policy and/or the network subscription policy, and the modified PCC rule is sent to the PDF.
  • the PCC rules are distributed by the PDF to each PCC policy enforcement entity, ensuring that each PCC policy enforcement entity can smoothly charge the mobile terminal.
  • the policy distribution function entity responsible for distribution to the HA may also be located in the home network, and the policy distribution function entity receives the PCC rule from the h PCRF, and then sends the PCC rule information to the HA.
  • the mobile terminal accesses the IP service through the HA, so that the user of the mobile terminal can use the IP service.
  • the HA is allocated to the home PLMN, and the PDF in the present embodiment and the PDF of the home 3GPP network are both the PDN GW of the home PLMN network.
  • the PDF in the present embodiment and the PDF of the home 3GPP network are both the PDN GW of the home PLMN network.
  • the PCC rule is generated by the h PCRF in the home PLMN network, and is sent to the v PDF in the visited PLMN network through the V PCRF in the visited PLMN network, and then sent to the HA by the V PDF ( That is, h PDN GW in the figure; or, the PCR protocol sends the PCC rule to the HA through the PDF of the home network, and further, the PDF of the home network can be implemented in the PDN GW, then the h PCRF directly under the PCC rule PDN GW sent to the home PLMN network.
  • the HA is not acting as a PCC policy enforcement entity, there is no need to send a PCC rule to the HA.
  • the V PDF of the visited PLMN network in this embodiment may also exist in one entity or separately with the V PDN GW and/or v Serving GW (the service gateway of the visited PLMN network). If the V PDF is associated with the V PDN GW and/or v Serving GW in one entity, and the v PDF is responsible for distributing PCC rule information to the HA, in order to be able to send the generated PCC rules from the GW in the home network to the visited network In the GW, the S8b interface between the GW in the home network and the GW in the visited network needs to provide the ability to pass PCC rules.
  • FIG. 15 is a block diagram showing the structure of a wireless communication system according to a seventh embodiment of the present invention.
  • a seventh embodiment of the present invention relates to a communication system, which is substantially the same as the sixth embodiment, except that in the sixth embodiment, the route used is a home route, and the HA is allocated to the home PLMN; In this embodiment, the route used is a visited route. Therefore, the HA is allocated in the visited PLMN network, such as the HA is allocated in the v PDN GW in the visited PLMN network, as shown in FIG. 15 .
  • the PCC rule is generated by the h PCRF in the PLMN, and is sent to the PDF in the visited PLMN network by the V PCRF in the visited PLMN network.
  • the PDF is also implemented in the v PDN GW, and then sent to the ASN and the HA by the PDF. Since PDF and HA are implemented in the same entity at this time, they communicate through internal messages.
  • An eighth embodiment of the present invention relates to a communication system, which is substantially the same as the sixth embodiment, except that in the sixth embodiment, the mobile terminal is not connected to the network using hierarchical mobile management;
  • hierarchical mobile management such as HMIP
  • HMIP is used to access the mobile terminal to the network. Therefore, the local mobility anchor is also included in the visited PLMN network, which is called LMA in HMIP and is used to manage the anchoring of local mobility.
  • the 3GPP AAA server and/or the 3GPP AAA proxy server also need to generate a HMIP key.
  • the PCC rule is generated by the h PCRF in the home PLMN network, and after being sent to the PDF in the visited PLMN network by the V PCRF in the visited PLMN network, the PDF also needs to send the received PCC rule to the LMA.
  • the LMA may be located in the PDN GW in the visited PLMN, the HA is still located in the PDN GW in the home PLMN, and the PDF in the visited PLMN is located in the PDN GW in the visited PLMN network, and the system structure of this embodiment is shown in FIG. 16 . Shown.
  • the LMA can also be located in the serving gateway in the visited PLMN.
  • the HA is still located in the PDN GW in the home PLMN, and the PDF in the visited PLMN is located in the serving gateway in the visited PLMN network. 17 is shown.
  • Figure 18 is a diagram showing the structure of a communication system according to a ninth embodiment of the present invention.
  • a ninth embodiment of the present invention relates to a communication system.
  • the present embodiment is substantially the same as the eighth embodiment. The difference is that, in the eighth embodiment, the route used is a home route, and the HA is allocated to the home PLMN network. In the present embodiment, the route used is a visited route, and the HA is allocated in the visited PLMN network.
  • the HA is located in the v PDN GW in the visited PLMN network
  • the LMA is located in the v Serving GW in the visited PLMN network
  • the PDF is located in the PDN GW in the visited PLMN network and/or the V in the visited PLMN network.
  • the PCC rule is generated by the h PCRF in the home PLMN network, and is transmitted to the V PDF in the visited PLMN network through the v PCRF in the visited PLMN network, and then transmitted to the ASN and the HA by the PDF.
  • PCC rules need to be transmitted between two entities, such as PDFs that need to send PCC rules to the ASN's gateway, the interface between the two entities needs to provide the ability to pass PCC rules.
  • the IP service accessed by the mobile terminal through the HA may be an external public or private branch.
  • the group data network may also be a packet data network within the operator, that is, various IP services (operator's IP services) deployed by the operator, such as an interactive multimedia system ("Intermediate Multimedia System”), a packet switched domain.
  • IP services such as an interactive multimedia system (“Intermediate Multimedia System"), a packet switched domain.
  • Streaming service Packet Streaming Service, "PSS").
  • the IP) registration mechanism accesses multiple IP service networks through multiple PDN GWs; this requires the WiMAX network to support multiple HA registrations.
  • the mobile terminal needs to use the data service of the home 3GPP network and the data service of the visited 3GPP network, and the mobile terminal can be separately registered to the HA of the home 3GPP network (the HA is in h) Implemented in the PDN GW) and the HA of the visited network (which can be implemented in the V in the V serving gateway, v PDN GW or WiMAX CSN), using a dual MIP registration mechanism. That is equivalent to the mobile terminal communicating with multiple IP data networks, and gateway access corresponding to these IP data networks is required.
  • the 3GPP and/or WiMAX AAA servers need to separately generate, distribute, and maintain MIP keys for each registration.
  • the monthly service gateway and the PDN GW in the same PLMN network may be located on the same physical entity, at which time they communicate through internal messages.
  • HA or LMA in the SAE network,
  • the PDFs may be on the same gateway, and they use internal messaging between them. PDFs can also be implemented in the same physical entity as PCRF.
  • the gateways in the PLMN network also have a policy charging enforcement function. When they receive the PCC rules, they apply these rules to perform QoS policy control and charging.
  • FIG 19 is a block diagram showing the structure of a wireless communication apparatus according to a tenth embodiment of the present invention.
  • a tenth embodiment of the present invention relates to a wireless communication device.
  • a 3GPP network uses a SAE network as an example, and a non-3GPP network uses a WiMAX network as an example.
  • the apparatus includes a second AAA server, configured to forward a communication message between a first AAA server and a non-3GPP network in a 3GPP network, and assist the first AAA server to complete the mobile terminal. Authentication, authorization, and billing functions.
  • the accessed 3GPP network is a PLMN of the SAE network, and is included in the PLMN.
  • the first AAA server of the 3GPP network is used to provide authentication, authorization, and accounting functions for the mobile terminal.
  • the second AAA server of the WiMAX network includes a second AAA server of the WiMAX network, configured to forward a communication message between the first AAA server and the WiMAX ASN of the 3GPP network, and assist the first AAA server to complete authentication, authorization, and Billing function. That is, if the first AAA server in the 3GPP network cannot fully meet the WiMAX network requirements, the second AAA server of the WiMAX network must be responsible for completing the AAA function that the former cannot perform.
  • the second AAA server of the WiMAX network forwards communication messages, such as authentication related messages, between the first AAA server and the WiMAX ASN in the 3GPP network through the Wd* interface.
  • the first AAA server may be located in the home 3GPP network of the user of the mobile terminal, while the second AAA server is located in the non-3GPP network.
  • the first AAA server may also be located in the home 3GPP network of the user of the mobile terminal while the second AAA server is located in the visited 3GPP network of the user of the mobile terminal.
  • the first AAA server may also be implemented in the same physical device as the second AAA server, and the first AAA server and the second AAA server may also be located in the home 3GPP network of the user of the mobile terminal.
  • the mobile terminal can smoothly access the 3GPP network through the non-3GPP network, thereby achieving higher efficiency and efficiency.
  • FIG. 20 is a flowchart of a wireless communication method according to a tenth embodiment of the present invention.
  • the mobile terminal accesses the 3GPP network through the non-3GPP network. Specifically, the mobile terminal accesses the 3GPP network through the core network of the non-3GPP network, and the accessed 3GPP network is the home 3GPP network of the mobile terminal.
  • the non-3GPP network is described by taking a WiMAX network as an example. Therefore, the core network is the CSN of the WiMAX network.
  • the mobile terminal is authenticated, authorized, and charged. Specifically, the mobile terminal is authenticated, authorized, and charged by the first AAA server in the 3GPP network, and the communication message between the first AAA server and the non-3GPP network needs to pass through the CSN of the non-3GPP network.
  • the second AAA server forwards. And, the second AAA server assists in completing the authentication, authorization, and charging functions of the mobile terminal. It can be seen that even if the first AAA server in the 3GPP network cannot satisfy the characteristics of the non-3GPP network, the function that the first AAA server in the 3GPP network cannot satisfy can be completed through the second AAA server of the non-3GPP network. Thereby, the mobile terminal can smoothly access the 3GPP network through the non-3GPP network, thereby achieving higher efficiency and benefit.
  • a PCC rule is generated for the mobile terminal in the 3GPP network, and the generated PCC rule is distributed to each PCC policy enforcement entity.
  • a PCC rule is generated for the mobile terminal by a PCRF (ie, h PCRF) in the 3GPP network, and the generated PCC rule is sent to the PCRF (ie, V PCRF) in the CSN, and the v PCRF can directly receive the received PCC.
  • the rule is sent to the policy distribution function entity (ie, v PDF ) in the CSN; the v PCRF may also modify the received PCC rule according to the local network policy and/or the network subscription policy after receiving the PCC rule. Send the modified PCC rules to V PDF.
  • the received PCC rules are distributed by the V PDF to each PCC policy enforcement entity, where the PCC policy enforcement entity includes one or any combination of the following: ASN of the non-3GPP network, HA of the mobile terminal, PDN GW of the 3GPP network, Service gateway.
  • the HA of the mobile terminal is allocated in the hometown.
  • the V PDF may distribute the PCC rules to the HA; or, the h PCRF sends the PCC rules to the HA through the h PDF. If the visited route is used, the HA of the mobile terminal is allocated in the CSN, and the PDF needs to distribute the PCC rules to the HA.
  • step 1920 and step 1930 there is no clear relationship between step 1920 and step 1930, and the 3GPP network in this embodiment is an SAE network.
  • the mobile terminal in this embodiment accesses the IP service through the HA, so that the user of the mobile terminal can use the IP service.
  • a twelfth embodiment of the present invention relates to a wireless communication method, and the present embodiment is substantially the same as the eleventh embodiment, except that in the eleventh embodiment, the mobile terminal is not connected using hierarchical mobile management.
  • hierarchical mobile management is used, such as HMIP to access the mobile terminal to the network. Therefore, at least one of the first AAA server and the second AAA server also needs to generate a HMIP key.
  • the v PDF also needs to send the received PCC rule to the anchored LMA for managing the local move.
  • a thirteenth embodiment of the present invention relates to a wireless communication method, and the present embodiment is substantially the same as the eleventh embodiment, except that in the eleventh embodiment, the mobile terminal is connected to a core network of a non-3GPP network.
  • the mobile terminal accesses the visited 3GPP network of the mobile terminal through the access network of the non-3GPP network, and accesses the mobile terminal to the home 3GPP network through the visited 3GPP network.
  • the non-3GPP network is described by taking a WiMAX network as an example. Therefore, the access network is the ASN of the WiM AX network.
  • the mobile terminal is authenticated, authorized, and charged by the first AAA server in the home 3GPP network, and the communication message between the first AAA server and the non-3GPP network ASN needs to be visited in the 3GPP network.
  • the second AAA server forwards.
  • the PCC rule is generated by the PCRF (ie, h PCRF) in the home 3GPP network, and the generated PCC rule is sent to the PCRF (ie, v PCRF) in the visited 3GPP network, and the v PCRF can directly receive the received PCC.
  • the rule is sent to the policy distribution function entity (ie, v PDF ) in the visited 3GPP network; the V PCRF may also respond to the received PCC rule according to the local network policy and/or the network subscription policy after receiving the PCC rule. Modifications to send the modified PCC rules to V PDF.
  • the received PCC rules are distributed by the V PDF to each PCC policy enforcement entity, where the PCC policy enforcement entity includes one or any combination of the following: ASN of the non-3GPP network, HA of the mobile terminal, PDN GW of the 3GPP network, Service gateway.
  • V PDF can distribute the PCC rules to the HA; or, by h PCRF through h PDF The PCC rules are sent to the HA. If the service uses the visited route, the HA assignment of the mobile terminal is in the visited 3GPP network, and the V PDF needs to distribute the PCC rule to each PCC policy enforcement entity that includes the HA.
  • a fourteenth embodiment of the present invention relates to a wireless communication method, and the present embodiment is substantially the same as the thirteenth embodiment, except that in the thirteenth embodiment, the mobile terminal is connected through an ASN of a non-3GPP network. And accessing the 3GPP network of the mobile terminal, and accessing the mobile terminal to the home 3GPP network of the mobile terminal by using the visited 3GPP network; and in the embodiment, directly connecting the mobile terminal to the ASN of the non-3GPP network Enter the home 3GPP network of the mobile terminal.
  • the first AAA server and the second AAA server are implemented in the same physical device.
  • a PCC rule is generated for the mobile terminal by the PCRF in the 3GPP network, and the generated PCC rule is distributed to each PCC policy enforcement entity, such as the ASN of the non-3GPP network and/or the HA of the mobile terminal, by PDF.
  • the mobile terminal accesses the 3GPP network through the non-3GPP network, and the first AAA server of the 3GPP network provides the authentication, authorization, and charging functions for the mobile terminal, and is forwarded by the second AAA server.
  • the PCC rule is generated by the PCRF in the 3GPP network for the mobile terminal, and the function entity is distributed by the policy, and the generated PCC rule is distributed to each PCC policy execution entity. It is ensured that each PCC policy enforcement entity (such as ASN, HA, etc.) can smoothly charge the mobile terminal.
  • each PCC policy enforcement entity such as ASN, HA, etc.
  • the authentication, authorization, and accounting functions also include generating related keys, such as HMIP keys.
  • the policy distribution function entity also needs to be directed to LMA. Distribute PCC rules. The invention has a wider range of applications.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un système de communication sans fil, un appareil et un procédé de communication sans fil, qui permettent à une station mobile d'accéder à un réseau 3GPP via un réseau qui n'est pas 3GPP de façon favorable. La station mobile accède au réseau 3GPP via le réseau qui n'est pas 3GPP, le premier serveur AAA du réseau 3GPP fournit l'autorisation d'authentification et une fonction de compte à la station mobile. Le second serveur AAA agit en tant que serveur d'agence AAA, qui est utilisé pour transmettre un message de communication entre le premier serveur AAA et le réseau qui n'est pas 3GPP dans le réseau 3GPP, et pour aider le premier serveur AAA dans le réseau 3GPP à exécuter l'autorisation d'authentification et la fonction de compte de la station mobile. Le PCRF dans le réseau 3GPP génère la règle PCC, et distribue la règle PCC générée à chaque entité d'application de règle PCC via l'entité d'une fonction de distribution de règle.
PCT/CN2008/071055 2007-05-24 2008-05-22 Système de communication sans fil, appareil et procédé de communication sans fil Ceased WO2008141589A1 (fr)

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CN2007101080770A CN101312561B (zh) 2007-05-24 2007-05-24 无线通信系统及无线通信方法
CN200710108077.0 2007-05-24

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CN102098673B (zh) * 2009-12-15 2014-09-10 中兴通讯股份有限公司 P-cscf服务器的ip地址的获取方法及系统
CN103167556A (zh) * 2011-12-19 2013-06-19 中兴通讯股份有限公司 流迁移方法及装置
WO2018170703A1 (fr) * 2017-03-20 2018-09-27 华为技术有限公司 Procédé et dispositif d'établissement de connexion
CN111586860B (zh) 2019-02-19 2023-01-06 华为技术有限公司 一种通信方法及装置

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