WO2011076063A1 - Procédé, dispositif, et système pour gérer un accès par protocole internet local ou un transfert de trafic par protocole internet sélectionné - Google Patents

Procédé, dispositif, et système pour gérer un accès par protocole internet local ou un transfert de trafic par protocole internet sélectionné Download PDF

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Publication number
WO2011076063A1
WO2011076063A1 PCT/CN2010/079514 CN2010079514W WO2011076063A1 WO 2011076063 A1 WO2011076063 A1 WO 2011076063A1 CN 2010079514 W CN2010079514 W CN 2010079514W WO 2011076063 A1 WO2011076063 A1 WO 2011076063A1
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WO
WIPO (PCT)
Prior art keywords
terminal
gateway
management entity
mobility management
currently connected
Prior art date
Application number
PCT/CN2010/079514
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English (en)
Chinese (zh)
Inventor
朱春晖
宗在峰
周娜
Original Assignee
中兴通讯股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
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Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2011076063A1 publication Critical patent/WO2011076063A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/12—Reselecting a serving backbone network switching or routing node
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W40/00—Communication routing or communication path finding
    • H04W40/34—Modification of an existing route

Definitions

  • the present invention relates to the field of mobile communications, and in particular, to a Local IP Protocol Access (LIPA) or a selected IP Traffic Offload (SIPTO) management method, apparatus, and system.
  • LIPA Local IP Protocol Access
  • SIPTO IP Traffic Offload
  • the 3rd Generation Partnership Project (3GPP) evolved Evolved Packet System consists of the Evolved Universal Terrestrial Radio Access Network (E-UTRAN), Mobility Management Entity (MME), Serving Gateway (S-GW), Packet Data Network Gateway (P-GW or PDN GW), Home Subscriber Server (HSS) , Policy and Charging Rules Function (PCRF) entity and other supporting nodes.
  • 3GPP 3rd Generation Partnership Project
  • EPS evolved Evolved Packet System
  • E-UTRAN Evolved Universal Terrestrial Radio Access Network
  • MME Mobility Management Entity
  • S-GW Serving Gateway
  • P-GW or PDN GW Packet Data Network Gateway
  • HSS Home Subscriber Server
  • PCRF Policy and Charging Rules Function
  • the core network gateway includes the S-GW and the P-GW, and the S-GW is the access gateway connected to the E-UTRAN
  • the device forwards data between the E-UTRAN and the P-GW and is responsible for buffering the paging waiting data.
  • the P-GW is the border gateway of the EPS and Packet Data Network (PDN) network, which is responsible for the PDN. Access and forwarding data between EPS and PDN.
  • PDN Packet Data Network
  • the mobile communication system can also support local IP access. It can implement terminal-to-home network other IP devices or the Internet under the condition that the base station has local IP access capability and the user can sign up to allow local IP access. Local access.
  • the addition of the local gateway in the mobile communication network in the prior art can provide strong support for the local IP access technology.
  • the Local Gateway (L-GW) can be a local SGW (Local SGW, L-SGW) and a local PGW (Local).
  • PGW, L-PGW) can also be a separate L-PGW, local gateway can Cooperate with the base station.
  • the core network gateway may be a Serving GPRS Support Node (SGSN) or a Gateway GPRS Support Node (GGSN).
  • the local gateway may be a local GGSN (Local GGSN, L-GGSN) and a local SGSN (Local SGSN, L-SGSN), or may be a separate L-GGSN.
  • the base station subsystem may be an E-UTRAN evolved base station (eNodeB) and a global Terrestrial Radio Access (UTRAN)/Enhanced Global System for Mobile Communications (GSM EDGE Radio Access Network, GERAN) Radio Network Controller (RNC) / Base Station Controller (BSC), or Home Base Station (HNB/HeNB) and Home Base Station Gateway (HNB GW/HeNB GW).
  • eNodeB E-UTRAN evolved base station
  • UTRAN Global Terrestrial Radio Access
  • GSM EDGE Radio Access Network, GERAN Radio Network Controller
  • BSC Base Station Controller
  • HNB/HeNB Home Base Station Gateway
  • HNB GW/HeNB GW Home Base Station Gateway
  • the home base station is a small, low-power base station deployed in indoor places such as homes and offices.
  • the main purpose is to provide users with higher service rates and lower the cost of using high-speed services, while making up for existing distributed Insufficient coverage of cellular wireless communication systems.
  • the advantages of a home base station are affordability, convenience, low power output, plug and play, and more.
  • the home base station can be directly connected to the core network, or can be accessed to the core network through the logical base unit of the home base station gateway.
  • the main functions of the home base station gateway are: verifying the security of the home base station, processing the registration of the home base station, performing operation and maintenance management on the home base station, configuring and controlling the home base station according to the operator's requirements, and exchanging data of the core network and the home base station.
  • the local gateway can be configured not only with the home base station but also with the home base station gateway.
  • the home base station gateway can also be combined with the home base station.
  • the base station when a user connects to the network, the base station establishes a connection to the local gateway and assigns an IP address. According to the network deployment situation, the geographical coverage of the local gateway is limited for the optimized route.
  • the local gateway with the optimized route connected to the target base station is not the previous gateway. In this case, the target base station is still connected to the previous gateway, which leads to the user's The route is not optimized, consumes unnecessary network resources, increases the delay of user data transmission, and affects the user experience.
  • the L-GW in this solution may be a gateway close to the user's location in the operator network, a gateway integrated on the home base station, or a gateway in a non-operator network (such as an enterprise-owned network).
  • a local internet protocol network connection or selected internet protocol traffic offload management method including:
  • the mobility management entity determines whether it is necessary to perform gateway reselection for the terminal; if it is necessary to perform gateway reselection for the terminal, the terminal is instructed to re-establish the connection.
  • the step of determining, by the mobility management entity, whether to perform gateway reselection for the terminal includes: determining whether the gateway currently connected by the terminal is a gateway that optimizes routing, and if the gateway currently connected by the terminal is not a gateway optimized for routing, Then it is determined that gateway reselection is required.
  • the determining, by the terminal, whether the gateway currently connected by the terminal is an optimized route includes: obtaining, after the terminal moves, acquiring current location information of the terminal;
  • the step of acquiring the current location information of the terminal includes: after the mobile device moves, the terminal initiates a tracking area update request to the mobility management entity by using the current base station, where the terminal is carried in the request Current location information; or,
  • the base station currently located by the terminal notifies the mobility management entity of the current location information of the terminal;
  • the base station where the terminal is located is notified by the base station where the terminal is located, the current location information of the terminal.
  • the step of acquiring current location information of the terminal after the terminal moves the mobility management entity acquires current location information of the terminal after the terminal moves;
  • the mobility management entity sends a user location report to the current gateway of the terminal, where the current location information of the terminal is carried in the report.
  • the step of determining, according to the current location information, whether the currently connected gateway is an optimized routing gateway of the terminal includes:
  • the mobility management entity searches for the gateway of the optimized route currently corresponding to the terminal according to the current location information of the terminal, and determines whether the gateway currently connected by the terminal is a route optimized gateway.
  • the step of determining, according to the current location information, whether the currently connected gateway is an optimized routing gateway of the terminal includes:
  • the gateway where the terminal is currently located detects, according to the current location information of the terminal, whether the terminal is within an area that has an optimized route;
  • the currently connected gateway is considered to be an optimized routing gateway
  • the method further includes: the terminal receiving a re-establishment packet data gateway (PDN) indication, sending a PDN interrupt request to the mobility management entity, requesting to connect the current PDN Interrupt
  • PDN packet data gateway
  • the mobility management entity initiates a session deletion request to the current gateway of the terminal; the current gateway of the terminal deletes the current PDN connection of the terminal, and the mobility management entity notifies the terminal that the PDN connection is interrupted;
  • the method further includes: the terminal sending a PDN connection request to the mobility management entity;
  • the mobility management entity receives a PDN connection request of the terminal, selects a gateway for optimizing the route for the terminal, and establishes a connection between the terminal and the optimized routing gateway.
  • a mobility management entity that includes:
  • the determining module is configured to:
  • a gateway that includes:
  • FIG. 1 is a schematic structural diagram of a mobile communication network in the prior art
  • FIG. 10 is a schematic structural diagram of a local IP network connection or selected IP traffic offloading system according to still another embodiment of the present invention.
  • the process of completing gateway access by using the local IP network connection or the selected IP traffic offloading method provided by the embodiment of the present invention includes:
  • Step 302 The UE moves to (H) eNB2 to cover, and the MME acquires the current location of the UE.
  • acquisition methods There are three specific acquisition methods:
  • the (H) eNB2 may send the IP address of the L-GW2/P-GW2 with the optimized route configured by itself to the MME.
  • Method 2 The UE moves to (H) eNB2 coverage.
  • handover occurs. If an X2 handover occurs between the interfaces between the base stations, the target base station subsystem ((H)eNB2) Notifying the MME of the current location of the user;
  • (H) eNB2 may send the IP address of the configured L-GW2/P-GW2 with the optimized route to the MME;
  • the UE moves to (H) eNB2 coverage.
  • the handover occurs. If the S1 handover occurs between the base station and the S-GW, the source base station subsystem ((H) eNB1) notifying the MME of the location where the user is currently located;
  • Step 310 The network completes the establishment of the PDN connection, and sends a PDN connection admission message to the UE, where the UE connects to the current location (or the current base station subsystem) to optimize the L-GW2/P-GW2.
  • Step 403 The gateway sends a setup session reply to the MME, where the MS Info Change Reporting Action (Start) is performed.
  • the MME is required to report the latest location of the UE when the location of the UE changes.
  • Step 406 The MME changes the action (start) according to the mobile station information received in step 403.
  • Steps 501 to 503 are the same as steps 301 to 303 in the first embodiment of the present invention, and are not described again.
  • the MME initiates a delete session request, and deletes the connection session of the UE on the connected gateway L-GW1/P-GW1, that is, deletes the PDN connection of the UE;
  • the steps 601 to 606 are the same as the steps 401 to 406 in the second embodiment of the present invention, and are not described again.
  • the determining module 701 determines whether the current gateway of the terminal is a gateway for optimizing routing. If the current gateway of the terminal is not a gateway for optimizing routing, it is determined that gateway reselection is required.
  • the re-access initiation module 802 is configured to instruct the terminal to re-establish a connection when a gateway reselection is required.
  • the mobility management entity 901 is configured to determine whether a gateway reselection needs to be performed for the terminal 902, and when the gateway reselection is required for the terminal 902, the terminal 902 is instructed to re-establish the connection.
  • the terminal 902 is configured to receive the indication of the mobility management entity 901, and re-initiate the access when the current gateway is not the gateway that optimizes the route and needs to perform gateway reselection.
  • the mobility management entity 901 is configured to determine, in the following manner, whether the gateway 902 ⁇ 1 gateway needs to be reselected: determining whether the gateway currently connected by the terminal 902 is an optimized route, if the terminal is currently The connected gateway is not the gateway that optimizes the route, and it is determined that the terminal 902 ⁇ 1 gateway needs to be reselected.
  • the current location information of the terminal may be obtained, and the mobility management entity 901 completes the determination according to the current location information.
  • the gateway 1001 is configured to determine whether a gateway reselection is required for the terminal 1003, and when the gateway reselection is required, the mobility management entity 1002 instructs the terminal 1003 to re-establish a connection;
  • the terminal 1003 is configured to receive an indication of the mobility management entity 1002 to re-initiate access.
  • the gateway 1001 is configured to determine whether it is necessary to reselect the gateway for the terminal 1003: in the following manner: determining whether the gateway currently connected by the terminal 1003 is an optimized route, if the gateway currently connected by the terminal is not optimized The routed gateway determines that gateway reselection needs to be performed for the terminal 1003.
  • the current location information of the terminal may be obtained, and the gateway 1001 determines the current location information according to the current location information.
  • each functional unit in each embodiment of the present invention may be implemented in the form of hardware, or may be implemented in the form of a software functional module.
  • the integrated modules, if implemented in the form of software functional modules and sold or used as separate products, may also be stored in a computer readable storage medium.
  • the above-mentioned storage medium may be a read only memory, a magnetic disk or an optical disk or the like.
  • the embodiment of the present invention provides a local IP network connection or a selected IP traffic offload management method.
  • the terminal determines whether the gateway where the terminal is located is an optimized route gateway, and When the judgment result is no, the gateway is assigned to the terminal to optimize the route, and the access to the gateway of the optimized route is initiated, which solves the problem that the route is not optimized after the terminal moves, reduces the delay of the user data transmission, and improves the user experience.

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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 concerne un procédé, un dispositif, et un système pour gérer un accès par protocole Internet local (« Local Internet Protocol Access » ou LIPA) ou un transfert de trafic par protocole Internet sélectionné (« Selected IP Traffic Offload » ou SIPTO). Le procédé consiste : à évaluer, par une entité de gestion de mobilité (« Mobility Management Entity » ou MME), s'il faut resélectionner une passerelle pour un terminal; à donner l'ordre au terminal de réétablir la connexion si la resélection de la passerelle pour le terminal est nécessaire. La présente invention résout le problème consistant en ce qu'une route n'est pas optimisée après que le terminal se déplace, réduit le retard de transmission des données utilisateur, et optimise l'expérience des utilisateurs.
PCT/CN2010/079514 2009-12-24 2010-12-07 Procédé, dispositif, et système pour gérer un accès par protocole internet local ou un transfert de trafic par protocole internet sélectionné WO2011076063A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200910261266.0 2009-12-24
CN200910261266.0A CN102111919B (zh) 2009-12-24 2009-12-24 本地ip网络连接管理方法、装置和系统

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Cited By (2)

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CN103262610A (zh) * 2011-12-15 2013-08-21 华为技术有限公司 切换处理方法、设备和系统
CN111163498A (zh) * 2018-02-13 2020-05-15 Oppo广东移动通信有限公司 无线通信的方法、终端设备和网络设备

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CN102905331B (zh) * 2011-07-28 2018-05-15 中兴通讯股份有限公司 分组交换移动接入网触发媒体重定向的方法及系统
CN102905332A (zh) * 2011-07-28 2013-01-30 中兴通讯股份有限公司 分组交换移动接入网触发路由优化的方法及系统
CN104869575A (zh) * 2014-02-21 2015-08-26 中兴通讯股份有限公司 最优路径的建立方法、mme及网关
CN104869660A (zh) * 2014-02-21 2015-08-26 中兴通讯股份有限公司 保证业务数据连续性的方法、控制器及网关
CN108495298B (zh) * 2018-03-12 2021-03-30 北京佰才邦技术有限公司 移动终端在中立主机网络间移动时ip地址更新方法及装置、计算机可读存储介质

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CN101562854A (zh) * 2008-04-18 2009-10-21 大唐移动通信设备有限公司 用户设备的服务网关重选方法、设备及系统

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CN101534495A (zh) * 2008-03-10 2009-09-16 大唐移动通信设备有限公司 一种用户设备的业务承载建立方法及装置
CN101562854A (zh) * 2008-04-18 2009-10-21 大唐移动通信设备有限公司 用户设备的服务网关重选方法、设备及系统

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103262610A (zh) * 2011-12-15 2013-08-21 华为技术有限公司 切换处理方法、设备和系统
CN103262610B (zh) * 2011-12-15 2017-04-19 华为技术有限公司 切换处理方法、设备和系统
CN111163498A (zh) * 2018-02-13 2020-05-15 Oppo广东移动通信有限公司 无线通信的方法、终端设备和网络设备
CN111163498B (zh) * 2018-02-13 2021-03-05 Oppo广东移动通信有限公司 无线通信的方法、终端设备和网络设备
US11218927B2 (en) 2018-02-13 2022-01-04 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Radio communication method, terminal device and network device

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CN102111919A (zh) 2011-06-29
CN102111919B (zh) 2014-06-11

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