WO2011032445A1 - Procédé et système permettant de mettre en œuvre un accès à distance à une station de base domestique - Google Patents

Procédé et système permettant de mettre en œuvre un accès à distance à une station de base domestique Download PDF

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Publication number
WO2011032445A1
WO2011032445A1 PCT/CN2010/076078 CN2010076078W WO2011032445A1 WO 2011032445 A1 WO2011032445 A1 WO 2011032445A1 CN 2010076078 W CN2010076078 W CN 2010076078W WO 2011032445 A1 WO2011032445 A1 WO 2011032445A1
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WO
WIPO (PCT)
Prior art keywords
base station
home base
address
target home
domain name
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Application number
PCT/CN2010/076078
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English (en)
Chinese (zh)
Inventor
霍玉臻
刘军
周娜
Original Assignee
中兴通讯股份有限公司
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Publication of WO2011032445A1 publication Critical patent/WO2011032445A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition

Definitions

  • the home base station is a small, low-power base station that can be deployed in indoor places such as homes and offices.
  • the main purpose is to provide users with higher service rates and reduce the cost of using high-speed services. It can make up for the deficiencies of existing distributed cellular wireless communication systems, making wireless communication systems more comprehensive and comprehensive.
  • the advantages of a home base station are benefits, convenience, low power output, plug and play, broadband access, use of single mode terminals, and the like.
  • FIG. 1 is a network architecture diagram of a 3G home base station, where the home base station network includes: a user equipment, a home base station (HNB), a home base station gateway (HNB GW), and a core network (CN); wherein the 3G home base station passes the Uu interface and the user equipment. Connected to and connected to the home base station gateway through a newly defined Iuh interface; the core network further includes a circuit domain (CS) and a packet domain (PS), and the home base station gateway can provide IuPS and IuCs respectively connected to the core network packet domain and the circuit domain. interface.
  • CS circuit domain
  • PS packet domain
  • the deployment of the home base station gateway is mandatory, so as to shield the impact of the introduction of the home base station on the terminal side and the network side.
  • the deployment of the home base station gateway is optional. Therefore, the home base station and the core network in the LTE network have two connection modes: one is that the home base station (HeNB) is directly connected to the core network element, as shown in FIG. 2; The home base station (HeNB) is connected to the core network element through a home base station gateway (HeNB GW), as shown in FIG.
  • HeNB GW home base station gateway
  • the home base station and the user equipment are both connected through an LTE-Uu interface; in FIG.
  • home base stations In addition to supporting regular access for mobile users, home base stations also support local to home use. Access to other IP devices on the network (local IP access). In addition, the home base station also needs to support remote access to the local home network (remote access) from the public land mobile communication network (PLMN), and the user must first obtain network operation when accessing the home network remotely.
  • the license of the remote access is already included in the related prior art. That is, the domain name of the home base station to be accessed by the user and the specific access point name (Access Point Name, ⁇ ) are sent to the network side, and the network side controls access thereto. However, the prior art does not include how the network side addresses the home. Base station, the part of how to access the home network through the home base station.
  • the local IP access may be a local IP access user local network, a local IP access company local network, a local IP access Internet, a diversion operation of the Internet service, and a specific IP data offload.
  • a method for realizing remote access of a home base station includes:
  • the user equipment resolves the domain name of the target home base station to an IP address, and brings the IP address of the target home base station to the network side entity by using an operation request, and the network side entity sends the IP address of the target home base station by using an operation request.
  • Sending to the packet gateway the IP gateway is negotiated by the packet gateway according to the IP address of the target home base station and the target home base station;
  • the user's operation request is accepted, otherwise the user's operation request is rejected.
  • the method is specifically: when the user equipment sends an operation request to the network side entity Carrying a specific access point name (APN), a domain name and/or an IP address of the target home base station in the operation request;
  • APN access point name
  • the network side entity performs permission determination according to the domain name or IP address of the target home base station carried in the operation request, and determines whether the current mobile user has the right to remotely access the target home base station, and if yes, sends the IP address of the target home base station.
  • the packet gateway negotiates to establish an IPSEC tunnel according to the IP address of the target home base station and the target home base station; otherwise, the user's operation request is rejected.
  • the network side entity is a mobility management entity (MME) in a Long Term Evolution (LTE) architecture, and the operation request sent by the user equipment to the network side entity is an attach request;
  • MME mobility management entity
  • LTE Long Term Evolution
  • the MME determines whether the current mobile user has the right to remote access according to the subscription data of the current mobile user, and if the domain name or IP address of the target home base station carried in the attachment request is included in the subscription data, the current mobile user is allowed to access the home.
  • the MME selects a packet gateway (PGW) to access the home network according to the access point name (APN) carried in the attach request. And forwarding the IP address of the target home base station to the PGW through a Serving Gateway (SGW), and the PGW and the target home base station negotiate to establish an IPSEC tunnel.
  • PGW packet gateway
  • APN access point name
  • the method is specifically: the network side entity is an MME in an LTE architecture, and the user equipment sends an operation request to a network side entity to establish a packet data network (PDN) connection establishment request;
  • PDN packet data network
  • the MME determines, according to the subscription data of the current mobile user, whether the current mobile user has the right to remote access, and if the domain name or IP address of the target home base station carried in the PDN connection request is included in the subscription data, the current mobile user is allowed to access.
  • the MME selects to access the PGW of the home network according to the APN carried in the PDN connection establishment request, and And transmitting, by the SGW, the IP address of the target home base station to the PGW, and the PGW and the target home base station negotiate to establish an IPSEC tunnel.
  • the network side entity is a serving general packet radio service support node (SGSN) in a 3G architecture, and the operation request sent by the user equipment to the network side entity is an activation context request. ;
  • SGSN general packet radio service support node
  • the SGSN determines, according to the current mobile user's right information and the domain name or IP address list of the home base station that is allowed to connect, whether the current mobile user has the right to remote access, and the domain name or IP address of the target home base station carried in the activation context request. Included in the domain name or IP address list of the user's allowed connection home base station, the current mobile user has the right to remotely access the target home base station; the SGSN sends a Create PDP Context to the Gateway General Packet Radio Service Support Node (GGSN) And a request message, where the message carries an IP address of the target home base station, and the GGSN initiates an IPSEC tunnel establishment process according to the IP address of the target home base station.
  • GGSN Gateway General Packet Radio Service Support Node
  • the present invention also provides a system for realizing remote access of a home base station, including:
  • the requesting module is located at the user equipment side, and is configured to send an operation request to the remote access authority determining module of the network side, where the operation request carries a specific access point name (APN), an i or name and/or an IP address of the target home base station;
  • APN access point name
  • the remote access authority judging module is located at the network side, and is configured to determine, according to the domain name and/or the IP address of the target home base station carried in the operation request, whether the current mobile user has the right to remotely access the target home base station, and if Denying the user's operation request without remote access rights;
  • the domain name resolution module is located on the network side or the terminal side, and is configured to resolve the domain name of the target home base station into an IP address by using a domain name server (DNS) if the current mobile user has the right to remotely access the target home base station;
  • DNS domain name server
  • the system is in an LTE architecture, and the operation request is an attach request;
  • the remote access authority determining module is located at a mobility management entity (MME) on the network side, and determines the current mobile user according to the subscription data of the current mobile user. Whether the remote access right is available, if the target home base station domain name or IP address carried in the attach request is included in the subscription data, the current mobile user has access to the home base station domain name or IP address list, the current mobile user has remote access The authority of the target home base station; otherwise, it does not have the right to remotely access the target home base station;
  • MME mobility management entity
  • the tunnel establishment module is located at a packet gateway (PGW), and is configured to negotiate to establish an IPSEC tunnel according to an IP address of the target home base station obtained by the domain name resolution module and the target home base station.
  • PGW packet gateway
  • the system is in an LTE architecture, and the operation request is a packet data network (PDN) connection establishment request;
  • PDN packet data network
  • the remote access authority determining module is located at a mobility management entity (MME) of the network side, and is configured to determine, according to the subscription data of the current mobile user, whether the current mobile user has the right to remotely access, if the target is carried by the PDN connection establishment request.
  • MME mobility management entity
  • the home base station domain name or IP address is included in the subscription data in the home base station domain name or IP address list that the current mobile user is allowed to access, and the current mobile user has the right to remotely access the target home base station; otherwise, the remote access target home base station is not provided. ;
  • the tunnel establishment module is located at a packet gateway (PGW), and is configured to negotiate to establish an IPSEC tunnel according to an IP address of the target home base station obtained by the domain name resolution module and the target home base station.
  • PGW packet gateway
  • the system is in a 3G architecture, and the operation request is an activation context request;
  • the remote access authority determination module is located at a service general packet radio service support node (SGSN) on the network side, and is configured to use the current mobile user permission according to the current
  • the information and the domain name or IP address list of the home base station that is allowed to connect are used to determine whether the current mobile user has the right to remote access. If the domain name or IP address of the target home base station carried in the activation context request is included in the user's permission In the domain name or IP address list of the connected home base station, the current mobile user has the right to remotely access the target home base station; otherwise, the remote access target home base station is not provided;
  • the tunnel establishment module is located at a gateway general packet radio service support node (GGSN), and is configured to establish an IPSEC tunnel by negotiating with the target home base station according to the IP address of the target home base station obtained by the domain name resolution module.
  • GGSN gateway general packet radio service support node
  • the invention can solve the problem of addressing the remote access target home base station of the mobile user in the prior art, and the solution is simple, convenient and easy to implement, and can be applied to the processing flow of various application scenarios.
  • Figure 1 is a schematic diagram of the architecture of a 3G home base station network
  • FIG. 2 is a schematic structural diagram of an LTE home base station directly connected to a core network
  • FIG. 3 is a schematic diagram of an architecture of an LTE home base station accessing a core network through a home base station gateway;
  • FIG. 4 is a schematic diagram of a network architecture for accessing a remote home network through a PLMN under a 3G architecture;
  • FIG. 5 is a network architecture for accessing a remote home network through a PLMN under an LTE architecture;
  • FIG. 6 is a schematic flowchart of a method for realizing remote access of a home base station according to the present invention;
  • FIG. 4 is a schematic diagram of a network architecture for accessing a remote home network through a PLMN under a 3G architecture;
  • FIG. 5 is a network architecture for accessing a remote home network through a PLMN under an LTE architecture;
  • FIG. 6 is a schematic flowchart of a method for realizing remote access of a home base station according to the present invention;
  • FIG. 1 is a schematic diagram of an architecture of an LTE home base station accessing a
  • FIG. 7 is a schematic flowchart of implementing remote access control in an attach process in an LTE architecture
  • FIG. 8 is a schematic flowchart of implementing remote access control in establishing a new PDN connection in an LTE architecture
  • FIG. 9 is a schematic flowchart of implementing remote access control in a PDP activation process in a 3G architecture
  • FIG. 10 is a schematic structural diagram of a system for implementing remote access of a home base station according to the present invention. detailed description
  • the network side entity carries the IP address of the home base station parsed by the domain name server (DNS) in the operation request sent to the packet gateway device, and the packet gateway establishes the Internet protocol security according to the IP address and the home base station (Internet) Protocol Security, IPSEC ) Tunnel connection.
  • the network side entity may refer to a mobility management entity (MME) or Serving General Packet Radio Service Support Node (SGSN).
  • MME mobility management entity
  • SGSN Serving General Packet Radio Service Support Node
  • FIG. 4 and Figure 5 are schematic diagrams of the network architecture for accessing a remote home network through PLMN under the 3G architecture and the LTE architecture.
  • the thick black dotted line in the figure indicates the access path of the user equipment to remotely access the home network.
  • a user equipment passes through a base station (NB) and a radio network controller (RNC) of an access network, and a serving general packet radio service support node (SGSN), The gateway general packet radio service support node (GGSN), the un-secured network (Un-safed network), and the home base station (HNB) access the home network;
  • the UE passes through the evolved base station (eNB) and the service gateway of the access network ( Serving Gateway), packet data network (PDN) gateway, non-secure network, home evolved base station (HeNB) access to home network.
  • eNB evolved base station
  • PDN packet data network
  • HeNB home evolved base station
  • the method for implementing remote access control of the home base station of the present invention is as shown in FIG. 6, and includes the following steps:
  • Step 601 The user equipment sends an operation request carrying a specific APN and a target home base station domain name and/or an IP address to the network side.
  • the network side is the MME on the network side; in the 3G architecture, the network side is the SGSN on the network side.
  • the target home base station refers to a home base station that the mobile user needs to remotely access, and is hereinafter collectively referred to as a target home base station, and will not be described in detail.
  • the specific APN is used to indicate that the current mobile user wants to access the home network, and the mobile user accesses the PLMN by using a specific APN, and is used to select a packet gateway (PGW/GGSN) that accesses the home network, and is remote. Accessing a separate PDN connection, a specific APN can be brought to the MME/SGSN through a Non-Access Stratum (NAS) message.
  • NAS Non-Access Stratum
  • the specific value or content of a specific APN is not limited.
  • the operation request message may simultaneously carry the IP address of the target home base station or only the IP address of the target home base station.
  • the operation request may be an attach request of an attach procedure in an LTE architecture, or may be a PDN connection setup request in a new PDN connection establishment process in an LTE architecture, or may be an activation in a packet data protocol (PDP) activation process in a 3G architecture.
  • Context request may be an attach request of an attach procedure in an LTE architecture, or may be a PDN connection setup request in a new PDN connection establishment process in an LTE architecture, or may be an activation in a packet data protocol (PDP) activation process in a 3G architecture.
  • PDP packet data protocol
  • Step 602 After receiving the operation request, the network side determines, according to the subscription data, whether the current mobile user has remote access authority; if there is remote access permission, step 604 is performed; otherwise, step 603 is performed;
  • Step 603 Reject the operation request of the current mobile user, and end the current processing flow.
  • Step 811 The home base station sends a Bearer Setup Response (MME) step 812, and the home base station sends a PDN Connectivity Complete message (PDN Connectivity Complete) to the MME.
  • Step 813 The mobile user accesses the home network through the PLMN and the home base station.
  • MME Bearer Setup Response
  • PDN Connectivity Complete PDN Connectivity Complete
  • the architecture of the home base station gateway is adopted for the LTE home base station, and the flow is similar to the present invention, and will not be described in detail herein.
  • Embodiment 3 is a diagrammatic representation of Embodiment 3
  • the application process in this embodiment is a PDP activation process in the 3G architecture.
  • the operation request is an activation context request.
  • the method for realizing remote access of a home base station in the PDP activation process in the 3G architecture is as shown in FIG. 9, and includes the following steps:
  • Step 901 The mobile user sends an Activation PDP Context Request to the SGSN, where the request carries a domain name and/or an IP address of the specific APN and the target home base station.
  • the specific APN carried indicates that it wants to access the remote home network; the domain name and/or IP address of the target home base station carried is used to indicate the domain name and/or IP address of the target home base station to be accessed by itself.
  • Step 902 During the mobile user attach authentication process, the SGSN saves the mobility information of the mobile home user and the domain name or IP address list of the home base station that is allowed to connect, and the SGSN checks the current information according to the saved information. And locating the domain name or IP address of the target home base station carried in the mobile subscriber request message, if the domain name or IP address of the target home base station carried in the request message is included in the domain name or IP of the home base station that is allowed to connect In the address list, the mobile user has access to the remote target home network, and the SGSN accepts the mobile user's access request; otherwise, the SGSN rejects the mobile user's activation request.
  • Step 903 If the activation context request only carries the domain name of the target home base station, the SGSN resolves the domain name of the target home base station into an IP address through the DNS, and the SGSN sends a PDP (Planet Data Protocol) context request message (Create). PDP Context Request) to the GGSN, the message needs to carry the IP address of the target home base station; Step 904, the GGSN initiates an IPSEC tunnel establishment process according to the IP address of the target home base station. The established tunnel will serve as a bearer tunnel for user data to the home network.
  • PDP Planet Data Protocol
  • Step 905 The GGSN sends a Create PDP Context Response to the SGSN.
  • Steps 907 ⁇ 908 if the quality of service (QoS) attribute changes in step 906, the SGSN sends an Update PDP Context Request to the GGSN; after receiving the new QoS attribute, the GGSN sends an Update PDP Context Response (Update) PDP Context Response ) to the SGSN.
  • QoS quality of service
  • Step 910 The mobile user accesses the home network through the PLMN network and the target home base station.
  • the domain name resolution of the target home base station is placed on the network side. If the domain name resolution of the target home base station is placed on the terminal side, the terminal device may only include the IP address of the target home base station directly in the operation request and send it to the network. On the side, or at the same time, the domain name and IP address of the target home base station are included in the operation request and sent to the network side.
  • the MME or the SGSN on the network side does not need to perform the process of resolving the domain name.
  • the present invention further provides a system for realizing remote access of a home base station.
  • the system includes: a request module, a remote access authority judgment module, a domain name resolution module, and a tunnel establishment module.
  • the remote access authority determining module is located at the network side, and is configured to determine, according to the domain name and/or the IP address of the target home base station carried in the operation request, whether the current mobile user has the right to remotely access the target home base station, If yes, notify the domain name resolution module; otherwise, reject the user's operation request;
  • the domain name resolution module is located on the network side or the terminal side, and is configured to resolve the domain name of the target home base station into an IP address by using a DNS;
  • the tunnel establishment module is located at the network side packet gateway, and is configured to negotiate to establish an IPSEC tunnel according to the IP address of the target home base station obtained by the domain name resolution module and the target home base station.
  • the operation request is an attach request;
  • the remote access authority determining module is located in the MME on the network side, and the module determines, according to the subscription data of the current mobile user, whether the current mobile user has the right to remote access. If the target home base station domain name or IP address carried in the attach request is included in the home base station domain name or IP address list that the current mobile user is allowed to access in the subscription data, the current mobile user has the right to remotely access the target home base station; Otherwise, the user does not have the right to remotely access the target home base station; the tunnel establishment module is located at the PGW, and is used to negotiate an IPSEC tunnel with the target home base station according to the IP address of the target home base station obtained by the domain name resolution module.
  • the operation request is a PDN connection establishment request;
  • the remote access authority determination module is located in an MME on the network side, and the module determines whether the current mobile user has remote access according to the subscription data of the current mobile user.
  • the current mobile user has the remote access target home base station if the target home base station domain name or IP address carried by the PDN connection establishment request is included in the home base station domain name or IP address list that the current mobile user is allowed to access in the subscription data. Permission; otherwise, it does not have the right to remotely access the target home base station;
  • the tunnel establishment module is located at the PGW, and is used for the target home base obtained by the domain name resolution module.
  • the IP address of the station negotiates with the target home base station to establish an IPSEC tunnel.
  • the operation request is an activation context request
  • the remote access authority determination module is located in the SGSN of the network side, and is configured to use the domain information or the IP address of the home base station that is allowed to connect according to the current mobility information of the mobile user.
  • the address list determines whether the current mobile user has the right to remote access. If the domain name or IP address of the target home base station carried in the activation context request is included in the domain name or IP address list of the home base station of the user that is allowed to connect, the current The mobile user has the right to remotely access the target home base station; otherwise, it does not have the right to remotely access the target home base station.
  • the tunnel establishment module is located at the GGSN, and is configured to negotiate to establish an IPSEC tunnel according to the IP address of the target home base station obtained by the domain name resolution module and the target home base station.

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

Abstract

La présente invention se rapporte à un procédé et à un système qui permettent de mettre en œuvre un accès à distance à une station de base domestique et qui sont utilisés pour résoudre le problème d'adressage et d'accès pendant que des utilisateurs mobiles ont accès à distance à une station de base domestique. La solution technique de la présente invention comprend les étapes suivantes : une requête d'opération envoyée depuis une entité côté réseau à un dispositif de passerelle de paquets qui transporte l'adresse Ip de la station de base domestique analysée par un serveur de nom de domaine; la passerelle de paquets établit, selon l'adresse IP, une connexion en tunnel de sécurité de protocole Internet (IPSec) avec la station de base domestique; si l'établissement du tunnel de sécurité IPSec réussit, la requête d'opération de l'utilisateur est acceptée; sinon, la requête d'opération de l'utilisateur est rejetée. La présente invention résout le problème d'adressage pendant que des utilisateurs mobiles ont accès à distance à la station de base domestique de destination et peut être appliquée dans le flux de traitement de multiples scénarios d'application.
PCT/CN2010/076078 2009-09-16 2010-08-17 Procédé et système permettant de mettre en œuvre un accès à distance à une station de base domestique WO2011032445A1 (fr)

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CN200910092712.XA CN102026170B (zh) 2009-09-16 2009-09-16 一种实现家用基站远程访问的方法及系统
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CN108243081A (zh) * 2016-12-23 2018-07-03 大唐移动通信设备有限公司 一种基于云网关的移动通信网络、云网关和通信方法

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