WO2013044825A1 - Procédé de contrôle d'accès, passerelle et système - Google Patents

Procédé de contrôle d'accès, passerelle et système Download PDF

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Publication number
WO2013044825A1
WO2013044825A1 PCT/CN2012/082174 CN2012082174W WO2013044825A1 WO 2013044825 A1 WO2013044825 A1 WO 2013044825A1 CN 2012082174 W CN2012082174 W CN 2012082174W WO 2013044825 A1 WO2013044825 A1 WO 2013044825A1
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WIPO (PCT)
Prior art keywords
apn
activation
access network
access
configuration information
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PCT/CN2012/082174
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English (en)
Chinese (zh)
Inventor
刘海
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华为技术有限公司
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Publication of WO2013044825A1 publication Critical patent/WO2013044825A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/12—Setup of transport tunnels

Definitions

  • the embodiments of the present invention relate to the field of communications technologies, and in particular, to an access control method, a gateway, and a system.
  • the Evolved Packet Core Network can also make the 3rd Generation Partnership Project (3GPP) Access technology, such as Wireless Local Area Network (WLAN) access. This is a trend in network evolution and convergence.
  • 3GPP 3rd Generation Partnership Project
  • a user equipment is a method for accessing an EPC from a 3GPP access technology, such as Long Term Evolution (LTE) or Wideband Code Division Multiple Access (WCDMA).
  • the UE provides an Access Point Name (APN), and the EPC selects a Packet Data Network Gateway (PGW) according to the APN, and the PGW allocates an IP address to the UE.
  • PGW Packet Data Network Gateway
  • the UE can activate multiple APNs to obtain multiple IP addresses, and each activated APN is called a Packet Data Network (P2) connection.
  • P2 Packet Data Network
  • the WLAN access gateway selects the APN.
  • the inventor has found that at least the following problems exist in the prior art:
  • the APN selected by the WLAN access gateway may be already
  • the APNs activated in LTE/WCDMA are the same, which makes it difficult for operators to control network and terminal behavior, which is not conducive to operations. Summary of the invention
  • the embodiments of the present invention provide an access control method, a gateway, and a system, which are used to control a UE using different APNs simultaneously in different types of access networks.
  • an embodiment of the present invention provides an access control method, including:
  • an access point name APN activation request receives, by the network device of the first access network, an access point name APN activation request, where the APN activation request includes a user equipment UE identifier, an APN, and a first access network type;
  • the UE corresponding to the UE identifier has activated the APN in the second access network, accept or reject the APN activation request according to the activation configuration information, the second access network type and the first access network type. different.
  • an embodiment of the present invention provides a packet data network gateway, including:
  • a receiving module configured to receive an access point name APN activation request sent by a network device of the first access network, where the APN activation request includes a user equipment UE identifier, an APN, and a first access network type;
  • the UE corresponding to the UE identifier has activated the APN in the second access network, and accepts or rejects the APN activation request according to the activation configuration information, where the second access network type is different from the first access network type.
  • an embodiment of the present invention further provides an access control system, including:
  • the embodiment of the present invention uses an APN activation request that includes the UE identifier sent by the first access network, and if the APN requested to be activated has been used by the UE And identifying, by the corresponding UE, a second access network that is different from the first access network, and receiving or rejecting the APN activation request according to the activation configuration information, may perform different types of access to the UE based on the activation configuration information.
  • the network uses the same APN for control at the same time, which is beneficial to control network and terminal behavior.
  • FIG. 1 is a schematic flowchart of Embodiment 1 of an access control method according to an embodiment of the present disclosure.
  • FIG. 2 is a schematic flowchart of Embodiment 2 of an access control method according to an embodiment of the present disclosure.
  • FIG. 3 is a schematic flowchart of Embodiment 3 of an access control method according to an embodiment of the present disclosure.
  • FIG. 4 is a schematic structural diagram of an embodiment of a packet data network gateway according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of an embodiment of an access control system according to an embodiment of the present invention.
  • FIG. 1 is a schematic flow chart of Embodiment 1 of an access control method according to an embodiment of the present invention. As shown in Figure 1, the method includes:
  • Step 101 Receive an APN activation request sent by a network device of the first access network, where the APN activation request includes a UE identifier, an APN, and a first access network type.
  • the PGW receives an APN activation request sent by the network device of the first access network.
  • the UE identity is an identifier that can uniquely identify the identity of the UE, such as an International Mobile Subscriber Identification Number (IMSI).
  • IMSI International Mobile Subscriber Identification Number
  • the first access network type may be WLAN, LTE or WCDMA. Specifically, if the first access network If the type is WLAN, the network device is a WLAN access gateway; if the first access network type is LTE or WCDMA, the network device is a Mobility Management Entity (abbreviated as ⁇ ). It should be noted that, in the application, the access network type such as WLAN, LTE, or WCDMA may be mapped to different type identifiers, and the APN activation request includes the type identifier corresponding to the access network type. For example, the WLAN type identifier is 1, and the APN activation request carries the type identifier 1 to indicate that the access network type is WLAN.
  • Step 102 If the UE corresponding to the UE identifier has activated the APN in the second access network, accept or reject the APN activation request according to the activation configuration information, and the second access network type and the first connection The network access type is different.
  • the PGW saves the context information of the activated APN, where the context information includes at least the UE identifier, the APN, and the access network type, indicating that the UE is already in the access network of the access network type.
  • the APN is activated.
  • the second access network type is different from the first access network type. For example, if the first access network type is WLAN, the second access network type may be LTE or WCDMA, if the first access network type is For LTE or WCDMA, the second access network type may be a WLAN.
  • the activation configuration information is used to indicate whether the APN is allowed to be activated simultaneously in different types of access networks, or whether the APN is allowed to be used by the UE in different types of access networks.
  • the corresponding UE is identified to be activated at the same time. For example, if the activation configuration information indicates that the APN allows simultaneous activation of different types of access networks or the APN allows simultaneous activation of UEs corresponding to the UE identity in different types of access networks, then accept The APN activation request, for example, is to activate the APN for the UE in the first access network. If the activation configuration information indicates that the APN does not allow simultaneous activation of different types of access networks or the APN does not allow simultaneous activation of UEs corresponding to the UE identity in different types of access networks, then rejecting the APN activation request.
  • the activation configuration information can be set in the PGW in advance, or can be set in the return
  • the Home Subscriber Server (HSS) is carried in the APN activation request and sent to the PGW.
  • HSS Home Subscriber Server
  • the activation configuration information may be set only for each APN. For example, if setting the first APN in the PGW allows simultaneous activation of different types of access networks, the first APN allows simultaneous activation of different types of access networks for any UE.
  • corresponding activation configuration information may be set for all activateable APNs of each UE, such that the first APN may be allowed for a certain UE to be activated simultaneously on different types of access networks, but The case where another type of access network is not allowed to be activated simultaneously is not allowed for another UE.
  • the embodiment of the present invention uses the APN activation request that is sent by the first access network and includes the UE identifier. If the ASN that requests the activation has been identified by the UE, the second access is different from the first access network.
  • the network activation according to the activation configuration information accepting or rejecting the APN activation request, may be based on the activation configuration information to control the UE to use the same APN in different types of access networks at the same time, which is beneficial to control network and terminal behavior.
  • FIG. 2 is a schematic flow chart of Embodiment 2 of an access control method according to an embodiment of the present invention.
  • the first access network type is WLAN
  • the second access network type is LTE as an example
  • the first embodiment is extended.
  • the first access network is referred to as a WLAN access network
  • the second access network is referred to as an LTE access network.
  • the method includes: Step 201: A UE activates a first APN in an LTE access network;
  • the UE sends an APN pre-activation request to the MME in the LTE access network, where the APN pre-activation request includes the first APN, and the first APN is selected by the UE.
  • the MME acquires subscription data of the UE from the HSS, where the subscription data includes a list of the activateable APNs of the UE. Determining, by the MME, that the first APN is activated by the UE, and selecting a corresponding Serving Gateway (SGW) and a PGW according to the first APN, and generating, by the SGW, the selected PGW sends APN activation
  • the request, the APN activation request includes the first APN, a UE identifier, and an LTE type identifier.
  • the PGW determines, according to the saved context information of the activated APN, that the UE does not activate the first APN or that the UE activates the first APN only in the LTE, and activates the first APN in the LTE for the UE.
  • the subscription data obtained by the MME from the HSS may also include activation configuration information of each activatable APN in the activateable APN list of the UE, where the MME sends the APN activation request to the PGW correspondingly. Activation configuration information.
  • the MME may also notify the HSS of the selected PGW, and the HSS records the PGW in the subscription data.
  • Step 202 The UE accesses the WLAN access network, and the WLAN access gateway performs access authentication on the UE.
  • Step 203 After the access authentication is passed, the WLAN access gateway acquires subscription data of the UE from the HSS, where the subscription data includes activation configuration information.
  • the UE performs authentication interaction with the authentication, authorization, and accounting (Authentication, Authorization, Accounting, AAA) through the WLAN access gateway.
  • AAA Authentication, Authorization, Accounting
  • the AAA server sends a location update message to the HSS, and the HSS sends the subscription data of the UE to the AAA server, and the AAA server sends the subscription data of the UE to the WLAN access gateway.
  • the subscription data may include activation configuration information for each activatable APN in the activating APN list of the UE.
  • Step 204 The WLAN access gateway receives an address request sent by the UE.
  • the address request is carried in a version 4 dynamic host configuration protocol (Dynamic Host)
  • DHCPv4 DHCP Configuration Protocol version 4, referred to as DHCPv4.
  • Step 205 The WLAN access gateway determines the first APN according to the subscription data, generates an APN activation request that includes the first APN and the UE identifier, and adds the activation configuration information to the APN activation. Requested;
  • the WLAN access gateway selects the first from the list of activatable APNs of the UE.
  • An APN the activation configuration information of the first APN is added to the APN activation request.
  • the APN activation request also includes a WLAN type identifier.
  • the UE identifier may be obtained according to the source MAC address of the address request.
  • Step 206 The WLAN access gateway selects a PGW, and sends the APN activation request to the selected PGW.
  • the subscription data further includes information about the PGW selected by the MME during the execution of the step 201, and the WLAN access gateway may further select the PGW selected by the MME according to the subscription data, and send the APN activation request to the PGW.
  • the PGW selected by the WLAN access gateway is the same as the PGW selected by the MME when the UE accesses the LTE access network.
  • Step 207 The PGW determines, according to the context information of the activated APN, that the UE corresponding to the UE identifier has activated the first APN in the LTE access network.
  • step 209 may be directly performed. If the UE has activated the first APN in the WLAN access network, step 212 can be directly performed.
  • Step 208 The PGW determines, according to the activation configuration information, whether the first APN is allowed to be activated simultaneously in different types of access networks, and if yes, executing step 209, if otherwise, performing step 210;
  • Step 209 The PGW activates the first APN in the WLAN access network for the UE. After the first APN is activated, the PGW may also allocate an IP address to the UE, and send the IP address to the WLAN access gateway. Specifically, the IP address may be sent in a session establishment response message. Giving the WLAN access gateway. The WLAN access gateway then sends an address request response message to the UE, including the assigned IP address.
  • Step 210 The PGW determines, according to the activation configuration information, whether the priority of the WLAN access network is higher than the LTE access network, if yes, step 211 is performed, otherwise step 212 is performed; Specifically, the activation configuration information further includes priority information of the WLAN access network and the LTE access network, and step 210 determines, according to the priority information, a priority level of the WL AN access network and the LTE access network. . It should be noted that, if the activation configuration information does not include the priority information of the WLAN access network and the LTE access network, if the determination in step 208 is no, step 212 may be directly performed.
  • Step 211 The PGW deactivates the first APN that is activated by the UE in the LTE access network, and activates the first APN in the WLAN access network.
  • the PGW can also update the context information of the saved activated APN. Specifically, after the activation, the PGW may also allocate an IP address to the UE, and send a session establishment response message carrying the IP address to the W L AN access gateway.
  • Step 212 The PGW rejects the APN activation request.
  • the PGW sends a reject message to the WLAN access gateway, and the WLAN access gateway sends a DHCP Negative Reply message (DHCP NACK) to the UE.
  • DHCP NACK DHCP Negative Reply message
  • the second access network type is WCDMA and the second access network type is LTE.
  • the embodiment of the present invention uses the APN activation request that is sent by the WLAN access gateway and includes the UE identifier. If the APN that is requested to be activated is activated by the UE corresponding to the UE identifier in the LTE access network or the WCDM A access network, the activation is performed according to the activation.
  • the technical means for the configuration information to accept or reject the APN activation request may be based on the activation configuration information to control the UE to use the same APN in different types of access networks at the same time, which is beneficial to control network and terminal behavior.
  • FIG. 3 is a schematic flowchart of Embodiment 3 of an access control method according to an embodiment of the present disclosure.
  • the first access network type is LTE
  • the second access network type is WLAN as an example
  • the first embodiment is extended.
  • the first access network is referred to as an LTE access network
  • the second access network is referred to as a WLAN access network.
  • the method includes: Step 301: A UE activates a first APN in a WLAN access network;
  • the PGW determines, according to the saved context information of the activated APN, that the UE does not activate the first APN, and activates the first APN in the WLAN access network for the UE.
  • the PGW selected by the WLAN access gateway may send an advertisement to the AAA server, and the AAA server sends an advertisement to the HSS, and the HSS records the selected PGW in the subscription data.
  • Step 302 The UE accesses the LTE access network, and sends an APN pre-activation request to the MME in the LTE access network, where the APN pre-activation request includes the first APN.
  • the first APN here is selected by the UE.
  • Step 303 The MME obtains subscription data of the UE from an HSS, where the subscription data includes activation configuration information.
  • Step 304 The MME generates an APN activation request including the first APN and the UE identifier, and adds the activation configuration information to the APN activation request.
  • the subscription data includes activation configuration information of all activateable APNs of the UE, and the MME may add only the activation configuration information of the first APN to the APN activation request.
  • the APN activation request also includes an LTE type identifier.
  • the UE identity may be converted according to a user code carried in the APN pre-activation request.
  • Step 305 The MME selects a PGW, and sends the APN activation request to the selected PGW.
  • the subscription data further includes information about the PGW selected by the WLAN access gateway during the execution of the step 301, and the MME may further select the PGW selected by the WLAN access gateway according to the subscription data, and send the APN activation request. Sent to the PGW via the SGW.
  • the PGW selected by the MME is the same as the PGW selected by the WLAN access gateway when the UE accesses from the WLAN access network.
  • Step 306 The PGW determines, according to the context information of the activated APN, that the UE corresponding to the UE identifier has activated the first APN in the WLAN access network. For example, if the UE does not activate the first APN in the WLAN access network, step 308 may be directly performed.
  • Step 307 The PGW determines, according to the activation configuration information, whether the first APN is allowed to be activated simultaneously in different types of access networks, and if yes, executing step 308, if otherwise, performing step 309;
  • Step 308 The PGW activates the first APN in the LTE access network for the UE.
  • the PGW may also allocate an IP address to the UE, and send the IP address to the MME. Specifically, the IP address may be carried in the session establishment response message and sent to the MME. The MME then sends an APN activation success message to the UE, including the assigned IP address.
  • Step 309 The PGW determines, according to the activation configuration information, whether the priority of the LTE access network is higher than the WLAN access network, if yes, step 310 is performed, otherwise, step 311 is performed;
  • the activation configuration information further includes priority information of the WLAN access network and the LTE access network, and in step 309, the priority levels of the WLAN access network and the LTE access network are determined according to the priority information. It should be noted that, if the activation configuration information does not include the priority information of the WLAN access network and the LTE access network, if the determination in step 307 is no, step 311 may be directly performed.
  • Step 310 The PGW deactivates the first APN in which the UE is activated in the WLAN access network, and activates the first APN in the LTE access network.
  • the PGW can also update the context information of the saved activated APN. Specifically, after the activation, the PGW may also allocate an IP address to the UE, and send a session establishment response message carrying the IP address to the UE.
  • Step 311 The PGW rejects the APN activation request.
  • the first access network type is WCDMA and the first access network type is LTE.
  • the APN activation request including the UE identifier sent by the MME is received, and if the APN requested to be activated is activated by the UE corresponding to the UE identifier in the WLAN access network, the APN activation is accepted or rejected according to the activation configuration information.
  • the technical means of the request may be based on the activation configuration information to control the UE to use the same APN in different types of access networks at the same time, which is beneficial to control network and terminal behavior.
  • FIG. 4 is a schematic structural diagram of an embodiment of a packet data network gateway according to an embodiment of the present invention. As shown in Figure 4, the gateway includes:
  • the receiving module 41 is configured to receive an APN activation request sent by a network device of the first access network, where the APN activation request includes a UE identifier, an APN, and a first access network type;
  • the activation module 42 is configured to: if the UE corresponding to the UE identifier has activated the APN in the second access network, accept or reject the APN activation request according to the activation configuration information, the second access network type and the The first access network type is different.
  • the activation module 42 is specifically configured to:
  • the UE has activated the APN in the second access network, when the activation configuration information indicates that the APN allows simultaneous activation of different types of access networks or the APN allows access to different types of access networks
  • the UE corresponding to the UE identifier activates the APN in the first access network.
  • the activation module 42 is specifically configured to:
  • the UE has activated the APN in the second access network, when the activation configuration information indicates that the APN does not allow simultaneous activation of different types of access networks or the APN is not allowed to be connected in different types.
  • the access network is activated by the UE corresponding to the UE identifier, and the activation configuration information includes the priority information of the first access network and the second access network, accepting or rejecting according to the priority information APN activation request.
  • the activation module 42 is specifically configured to:
  • the activation configuration information indicates that the APN is not allowed to be in the same type of access network Time activation or the APN does not allow simultaneous activation of different types of access networks by the UE corresponding to the UE identity, and the activation configuration information includes priority information of the first access network and the second access network And when the priority of the first access network is higher than the priority of the second access network, deactivating the APN that the UE is activated in the second access network, The UE activates the APN in the first access network; when the priority of the first access network is lower than the priority of the second access network, the APN activation request is rejected.
  • the method further includes:
  • the IP allocation module 43 is configured to: after the activation module activates the APN for the UE in the first access network, allocate an IP address to the UE, and send the IP address to the network device.
  • the receiving module 41 is specifically configured to:
  • the activation module 42 is specifically configured to:
  • the APN activation request is accepted or rejected according to the preset activation configuration information.
  • the specific implementation of this embodiment refers to the first embodiment, the second embodiment, or the third embodiment of the access control method provided by the embodiment of the present invention.
  • the embodiment of the present invention uses the APN activation request that is sent by the first access network and includes the UE identifier. If the ASN that requests the activation has been identified by the UE, the second access is different from the first access network.
  • the network is activated, and the technical means for accepting or rejecting the APN activation request according to the activation configuration information may be used to control the UE to use the same APN in different types of access networks based on the activation configuration information, which is beneficial to controlling network and terminal behavior.
  • FIG. 5 is a schematic structural diagram of an embodiment of an access control system according to the present invention. As shown in Figure 5, the system includes:
  • the network device 51 and the PGW 52 and the PGW 52 are the gateways described in the embodiment of the packet data network gateway according to the embodiment of the present invention;
  • the network device 51 is located in the first access network and is configured to send an APN activation request to the PGW 52.
  • the first access network type is a WLAN
  • the network device 51 is a WLAN access gateway.
  • the second access network type may be LTE or
  • the first access network type is LTE or
  • the network device 51 is an MME.
  • the second access network type may be a WLAN.
  • the embodiment of the present invention uses the APN activation request that is sent by the first access network and includes the UE identifier. If the ASN that requests the activation has been identified by the UE, the second access is different from the first access network.
  • the network activation according to the activation configuration information accepting or rejecting the APN activation request, may be based on the activation configuration information to control the UE to use the same APN in different types of access networks at the same time, which is beneficial to control network and terminal behavior.

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

Abstract

Dans l'un de ses modes de réalisation, la présente invention se rapporte à un procédé de contrôle d'accès, à une passerelle et à un système. Le procédé selon l'invention consiste : à recevoir une demande d'activation d'APN transmise par le dispositif de réseau d'un premier réseau d'accès, la demande d'activation d'APN contenant un identifiant d'UE, un APN ainsi que le type du premier réseau d'accès radio ; si l'UE correspondant à l'identifiant d'UE a activé l'APN dans un second réseau d'accès, à accepter ou à refuser alors la demande d'activation d'APN sur la base des données de configuration d'activation, le type du second réseau d'accès étant différent du type du premier réseau d'accès radio. Sur la base des données de configuration d'activation, le mode de réalisation de la présente invention peut commander à l'UE d'utiliser le même APN en même temps dans différents types de réseaux d'accès, ce qui permet de faciliter le contrôle des activités sur le réseau et des activités des terminaux.
PCT/CN2012/082174 2011-09-27 2012-09-27 Procédé de contrôle d'accès, passerelle et système WO2013044825A1 (fr)

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CN108738018B (zh) * 2017-04-24 2022-08-19 中兴通讯股份有限公司 一种鉴权信息处理的方法、终端和系统
CN109673060B (zh) * 2017-10-17 2021-08-20 华为技术有限公司 一种通信方法及装置
CN107734591A (zh) * 2017-11-15 2018-02-23 世纪龙信息网络有限责任公司 智能终端的无线公网连接方法和系统
CN112738794B (zh) * 2021-01-07 2022-09-27 展讯半导体(成都)有限公司 驻网方法、芯片、移动终端及存储介质

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