WO2010078676A1 - 获取目标基站传输地址的方法及建立x2接口连接的方法 - Google Patents

获取目标基站传输地址的方法及建立x2接口连接的方法 Download PDF

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Publication number
WO2010078676A1
WO2010078676A1 PCT/CN2008/002132 CN2008002132W WO2010078676A1 WO 2010078676 A1 WO2010078676 A1 WO 2010078676A1 CN 2008002132 W CN2008002132 W CN 2008002132W WO 2010078676 A1 WO2010078676 A1 WO 2010078676A1
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Prior art keywords
base station
source base
target
source
information
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PCT/CN2008/002132
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English (en)
French (fr)
Inventor
高音
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中兴通讯股份有限公司
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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
Priority to BRPI0823395-0A priority Critical patent/BRPI0823395A2/pt
Priority to US13/142,300 priority patent/US8374612B2/en
Priority to EP08879329.4A priority patent/EP2384033B1/en
Priority to CN2008801313862A priority patent/CN102172057A/zh
Priority to PCT/CN2008/002132 priority patent/WO2010078676A1/zh
Priority to RU2011130221/08A priority patent/RU2495540C2/ru
Publication of WO2010078676A1 publication Critical patent/WO2010078676A1/zh

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    • 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
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0077—Transmission or use of information for re-establishing the radio link of access information of target access point

Definitions

  • the present invention relates to a wireless cellular communication system, and more particularly to a method for acquiring a transmission address information of a target base station in a Long Term Evolution (LTE) mobile communication system and a method for establishing an X2 interface connection between the base stations.
  • LTE Long Term Evolution
  • the LTE (Long Term Evolution) network described in 36300-800 is composed of E-UTRAN (Evolved UTRAN), Evolved NodeB (Evolved NodeB) and EPC (Evolved Packet Core).
  • the packet core network is composed of, and the network is flat.
  • the E-UTRAN includes a set of eNBs connected to the EPC through the S1 interface, and each eNB is connected through an X2 interface.
  • the S1 interface and the X2 interface are logical interfaces.
  • One EPC can manage one or more eNBs, and one eNB can also be controlled by multiple EPCs, and one eNB can manage one or more cells.
  • Self-Organized Network is a technology that automates network configuration and optimization.
  • the feature of the technology is self-configuration self-optimization. Applying this technology in LTE enables the LTE base station (eNB) to automatically configure network parameters according to the measurement results and automatically optimize according to network changes, thereby maintaining optimal network performance and saving a large amount of resources. Human and material resources.
  • the base station When the base station belongs to a different operator, the base station is a multi-mode base station or in other similar cases, a plurality of transmission addresses for the X2 interface connection are allowed to be configured on one base station, so that when the active base station requests the transmission address information from the target base station, When the target base station does not know which transmission address needs to be sent to the source base station, the X2 interface between the target base station and the source base station cannot be established.
  • the technical problem to be solved by the present invention is to provide a method for acquiring transmission address information of a target base station and a method for establishing an X2 interface connection between base stations, so as to prevent the target base station from correctly selecting the connection required for establishing an X2 interface connection with the source base station. Transfer address information.
  • the present invention provides a method for acquiring transmission address information of a target base station, including:
  • the target base station is configured with a correspondence between each transmission address information and other base station related information
  • the source base station sends the source base station related information to the target base station by using the mobility management entity MME.
  • the target base station filters out the X2 from the source base station according to the source base station related information.
  • the interface connects the required transmission address information, it is sent to the target base station by using the MME.
  • the above method may also have the following features:
  • the source base station sends the source base station related information to the target base station by using the mobility management entity MME: the source base station sends a transport address request message to the target base station by using the mobility management entity MME Carrying information about the source base station;
  • the above method may also have the following features:
  • the source base station related information includes: a global identifier of the source base station and/or operator information to which the source base station belongs.
  • the above method may also have the following features:
  • the transport address request message is a handover request message
  • the source base station related information includes: any one of the global identifier of the source base station, the operator information of the source base station, and the global identifier of the serving cell where the UE is located, or any combination thereof.
  • the above method may also have the following features:
  • the source base station In addition to transmitting the source base station related information to the target base station, the source base station further transmits transmission address information required for establishing an X2 interface connection with the target base station.
  • the present invention also provides a method for establishing an X2 interface connection between base stations, including:
  • the target base station is configured with a correspondence between each transmission address information and other base station related information
  • the source base station When the source base station wants to establish an X2 interface connection with the target base station, the source base station sends the source base station related information to the target base station through the mobility management entity MME; after the target base station receives, according to the The source base station related information, after filtering the transmission address information required for establishing an X2 interface connection with the source base station, is sent to the target base station by using the MME;
  • the source base station After receiving the source base station, the source base station sends an X2 interface connection establishment procedure to the target base station by using the received transmission address information.
  • the above method may also have the following features:
  • the source base station sends the source base station related information to the target base station by using the mobility management entity MME: the source base station sends a transport address request message to the target base station by using the mobility management entity MME Carrying information about the source base station;
  • the above method may also have the following features:
  • the source base station related information includes: a global identifier of the source base station and/or the source base station The carrier information to which it belongs.
  • the above method may also have the following features:
  • the transport address request message is a handover request message
  • the source base station related information includes: any one of the global identifier of the source base station, the operator information of the source base station, and the global identifier of the serving cell where the UE is located, or any combination thereof.
  • the above method may also have the following features:
  • the source base station In addition to transmitting the source base station related information to the target base station, the source base station further transmits transmission address information required for establishing an X2 interface connection with the target base station.
  • FIG. 1 is a flowchart of a method for establishing an X2 interface between base stations in an application example 1 of the present invention
  • FIG. 2 is a flowchart of a method for establishing an X2 interface between base stations in an application example 2 of the present invention.
  • the target base station is configured with a correspondence between its respective transmission address information and other base station related information; the source base station sends a transmission address request message to the MME (Mobility Management Entity, mobility management entity) in the EPC to Target base station, the request message Carrying information about the active base station; after receiving the information, the target base station filters the transmission address information required for establishing the X2 interface connection with the source base station according to the information about the source base station, and then sends the transmission address to the source base station through the MME. And a response message, where the transport address information of the target base station is carried.
  • MME Mobility Management Entity, mobility management entity
  • the source base station After the source base station receives the foregoing transmission address response message, if an X2 interface connection is established with the target base station, the X2 interface connection establishment process is initiated according to the transmission address information of the target base station, and the process is the same as the prior art, and is not performed here. Praise.
  • the source base station and the target base station are respectively connected to the MME by using an S1 interface.
  • the source base station related information may include: a source base station global identifier and/or carrier information to which the source base station belongs (eg, a public land mobile phone to which the source base station belongs) ID of the network PLMN).
  • the target base station can determine the base station according to the global identifier of the source base station uniquely, and therefore can also filter out the transmission address information required when establishing the X2 interface with the source base station; and the operator information can be filtered out in the base station.
  • the transport address request message may be a handover request message, and accordingly, the transport address response message may be a handover request response message.
  • the source base station related information may be carried by the source RNC To Target RNC Transparent Container cell, and the related information may further include a global identifier of the serving cell where the UE that initiates the handover procedure is located, and the target base station may also filter according to the global identifier.
  • the transport address information required to establish the ⁇ 2 interface with the source base station; and the transport address information of the target base station is carried by the Target RNC to Source RNC Transparent Container cell.
  • transport address request message and the transport address response message may not use the existing message, but a new set of messages for realizing the acquisition of the target base station transmission address.
  • the transport address request message may also carry the transport address information of the source base station.
  • the present invention can utilize the source base station related information, so that the target base station can filter the currently configured multiple transmission addresses for the X2 interface establishment, find the transmission address required to establish the X2 interface with the source base station, and The transmission address is transmitted to the source base station through the transmission address response message, which helps to realize the effective and fast establishment of the X2 interface between the base stations, and embodies the integrity of the X2 interface management in the automatic neighborhood relationship optimization.
  • the following two application examples of the present invention are further described.
  • the terminal in a cell in the source base station initiates an S1 handover request, and adds information about the source base station in the Source RNC To Target RNC Transparent Container information, such as the global identifier of the source base station and the global location of the serving cell where the UE that initiates the handover procedure is located.
  • the identifier, the carrier information to which the source base station belongs, and the listed source base station related information may be used alone or in combination.
  • Source RNC To Target RNC Transparent Container information is included in a HANDOVER REQUIRED message sent by the source base station to the MME;
  • the MME After receiving the HANDOVER REQUIRED message, the MME passes the HANDOVER.
  • the REQUEST message transparently transmits the Source RNC To Target RNC Transparent Container information to the target base station;
  • the target base station After receiving the HANDOVER REQUEST message, the target base station analyzes the information contained in the Source RNC To Target RNC Transparent Container information, for example, according to the global identifier of the source base station, and is found in the locally configured transport address list information for the ⁇ 2 interface establishment. The transport address required to establish a ⁇ 2 connection with the source base station.
  • the target base station uses the HANDOVER REQUEST ACKNOWLEDGE message to include the transport address information required for the target base station to establish an X2 interface connection with the source base station in the Target RNC to Source RNC Transparent Container information;
  • the MME After receiving the HANDOVER REQUEST ACKNOWLEDGE message, the MME transparently transmits the Target RNC to Source RNC Transparent Container information to the source base station through a HANDOVER COMMAND message.
  • the source base station uses the transmission address information required for the X2 interface connection between the target base station and the source base station included in the Target RNC to Source RNC Transparent Container information to establish an X2 interface with the target base station.
  • the source base station When the source base station currently needs to initiate an X2 interface with a certain base station in the neighboring base station in the current network.
  • the source base station sends a transmission address request message to the MME, the message carries the source base station related information, such as the source base station global identifier, the carrier information to which the source base station belongs, and the like, and the listed source base station related information may be used separately. Or in combination;
  • the MME transparently transmits the message to the target base station.
  • the target base station analyzes the source base station related information, for example, according to the global identifier of the source base station.
  • the transport address required to establish an X2 connection with the source base station is found in the locally configured transport address list information for the X2 interface setup.
  • the target base station sends the transmission address information required for establishing the X2 interface connection between the target base station and the source base station to the MME by using the transport address response message;
  • the MME After receiving the transport address response message, the MME transparently transmits the message to the source base station.
  • the source base station uses the transmission address information required by the target base station and the source base station to establish an X2 interface connection, and can establish an X2 interface with the target base station.
  • the invention can utilize the information about the source base station, so that the target base station can use multiple of the currently configured
  • the transport address established by the X2 interface is filtered, and the transport address required for establishing the X2 interface with the source base station is found, and the transport address is transmitted to the source base station through the transport address response message, which helps to realize the effective and fast establishment of the X2 interface between the base stations. It embodies the integrity of X2 interface management in automatic neighborhood relationship optimization.

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

Description

获取目标基站传输地址的方法及建立 X2接口连接的方法
技术领域
本发明涉及无线蜂窝通信系统， 尤其涉及一种长期演进（LTE )移动通 信系统中获取目标基站传输地址信息的方法及基站间建立 X2接口连接的方 法。 背景技术
36300-800 中描述了 LTE ( Long Term Evolution, 长期演进） 网络由 E-UTRAN( Evolved UTRAN,演进通用陆地无线接入网络）基站 eNB( Evolved NodeB, 演进节点 B )和 EPC ( Evolved Packet Core, 演进分组核心网）组成， 网络扁平化。 其中， E-UTRAN中包含有和 EPC通过 S1接口连接的 eNB的 集合， 各 eNB之间通过 X2接口连接。 S1接口及 X2接口是逻辑接口。 一个 EPC可以管理一个或多个 eNB,—个 eNB也可以受控于多个 EPC, —个 eNB 可以管理一个或多个小区。
自组织网络（ Self-Organized Network, SON )是一种自动进行网络配置 和优化的技术。 该技术的特点是自配置自优化， 在 LTE中应用该技术可使得 LTE基站 （eNB )根据测量结果自动配置网络参数， 并根据网络变化进行自 动优化， 从而保持网络性能最优， 同时可节约大量的人力物力。
在 LTE系统中， 可根据当前策略决定是否需建立基站间的 X2接口； 若 两个基站间需要建立 X2接口，那么其中任意一个基站发起 X2接口建立请求 时均需要知道对方基站的传输地址（TLA ) 。 因此， 当基站在网络中上电工 作后， 有必要知道其周围允许建立 X2接口的基站的传输地址。
当基站属于不同运营商、 该基站为多模基站或在其它类似情况下， 一个 基站上允许配置多个用于 X2接口连接的传输地址， 因此会出现当有源基站 向目标基站请求传输地址信息时， 目标基站不知需要将哪个传输地址发送给 上述源基站的情况， 因此目标基站与源基站间的 X2接口也就无法建立。 发明内容
本发明要解决的技术问题是提供一种获取目标基站传输地址信息的方法 及基站间建立 X2接口连接的方法， 以避免目标基站无法正确的选择出用于 与源基站建立 X2接口连接所需的传输地址信息。
为解决上述问题，本发明提供了一种获取目标基站传输地址信息的方法， 包括：
所述目标基站中配置有其各个传输地址信息与其它基站相关信息的对应 关系；
源基站通过移动性管理实体 MME将源基站相关信息发送给所述目标基 站； 所述目标基站收到后， 根据所述源基站相关信息从其所有传输地址中过 滤出与所述源基站建立 X2接口连接所需的传输地址信息后， 通过所述 MME 发送给所述目标基站。
进一步地， 上述方法还可具有以下特征：
所述源基站通过所述移动性管理实体 MME将所述源基站相关信息发送 给所述目标基站是指： 所述源基站通过所述移动性管理实体 MME向所述目 标基站发送传输地址请求消息， 其中携带所述源基站相关信息；
所述目标基站通过所述 MME将过滤出的传输地址信息发送给所述源基 站是指： 所述目标基站通过所述 MME向所述源基站发送传输地址响应消息， 其中携带所述过滤出的传输地址信息。
进一步地， 上述方法还可具有以下特征：
所述源基站相关信息中包括： 所述源基站的全局标识符和 /或所述源基站 所属的运营商信息。
进一步地， 上述方法还可具有以下特征：
当有用户终端 UE请求从所述源基站所服务小区切换到所述目标基站所 服务小区时， 所述传输地址请求消息为切换请求消息；
所述目标基站通过所述 MME向所述源基站发送传输地址响应消息是指： 所述目标基站向所述 MME发送切换请求应答消息， 其中携带所述目标基站 的传输地址信息； 所述 MME收到后， 通过切换命令将所述目标基站的传输 地址信息发送给所述源基站；
所述源基站相关信息中包括： 所述源基站的全局标识符、 所述源基站所 属的运营商信息及所述 UE所在服务小区的全局标识符中的任意一种或其任 意组合。
进一步地， 上述方法还可具有以下特征：
所述源基站除向所述目标基站发送所述源基站相关信息外， 还发送其与 所述目标基站建立 X2接口连接所需的传输地址信息。
本发明还提供了一种基站间建立 X2接口连接的方法， 包括：
所述目标基站中配置有其各个传输地址信息与其它基站相关信息的对应 关系；
当所述源基站欲与所述目标基站建立 X2接口连接时， 所述源基站通过 移动性管理实体 MME将源基站相关信息发送给所述目标基站； 所述目标基 站收到后， 根据所述源基站相关信息从其所有传输地址中过滤出与所述源基 站建立 X2接口连接所需的传输地址信息后，通过所述 MME发送给所述目标 基站；
所述源基站收到后， 利用接收到的所述传输地址信息向所述目标基站发 起 X2接口连接建立流程。
进一步地， 上述方法还可具有以下特征：
所述源基站通过所述移动性管理实体 MME将所述源基站相关信息发送 给所述目标基站是指： 所述源基站通过所述移动性管理实体 MME向所述目 标基站发送传输地址请求消息， 其中携带所述源基站相关信息；
所述目标基站通过所述 MME将过滤出的传输地址信息发送给所述源基 站是指： 所述目标基站通过所述 MME向所述源基站发送传输地址响应消息， 其中携带所述过滤出的传输地址信息。
进一步地， 上述方法还可具有以下特征：
所述源基站相关信息中包括： 所述源基站的全局标识符和 /或所述源基站 所属的运营商信息。
进一步地， 上述方法还可具有以下特征：
当有用户终端 UE请求从所述源基站所服务小区切换到所述目标基站所 服务小区时， 所述传输地址请求消息为切换请求消息；
所述目标基站通过所述 MME向所述源基站发送传输地址响应消息是指： 所述目标基站向所述 MME发送切换请求应答消息， 其中携带所述目标基站 的传输地址信息； 所述 MME收到后， 通过切换命令将所述目标基站的传输 地址信息发送给所述源基站；
所述源基站相关信息中包括： 所述源基站的全局标识符、 所述源基站所 属的运营商信息及所述 UE所在服务小区的全局标识符中的任意一种或其任 意组合。
进一步地， 上述方法还可具有以下特征：
所述源基站除向所述目标基站发送所述源基站相关信息外， 还发送其与 所述目标基站建立 X2接口连接所需的传输地址信息。
釆用本发明后， 有助于实现基站间 X2接口建立的有效快捷， 体现了自 动邻区关系优化中 X2接口管理的完整性。 附图概述
图 1为本发明应用实例一中基站间建立 X2接口的方法流程图； 图 2为本发明应用实例二中基站间建立 X2接口的方法流程图。
本发明的较佳实施方式
下面将结合附图及实施例对本发明的技术方案进行更详细的说明。
本发明的基本构思是： 目标基站中配置有其各个传输地址信息与其它基 站相关信息的对应关系； 源基站通过 EPC中的 MME ( Mobility Management Entity, 移动性管理实体）将传输地址请求消息发送给目标基站， 该请求消息 中携带有源基站相关信息； 目标基站收到后， 根据源基站相关信息在其所有 传输地址中过滤出与源基站建立 X2接口连接所需的传输地址信息后， 通过 MME 向源基站发送传输地址响应消息， 其中携带该目标基站的传输地址信 息。
当源基站接收到上述传输地址响应消息后， 若需要与目标基站建立 X2 接口连接时， 根据上述目标基站的传输地址信息发起 X2接口连接建立流程， 该流程同现有技术， 在此不再进行赞述。
其中， 源基站、 目标基站分别与 MME之间釆用 S1接口连接； 源基站相 关信息中可以包括： 源基站全局标识符和 /或源基站所属的运营商信息（如源 基站所属公众陆地移动电话网 PLMN的 ID )。 目标基站可以根据源基站全局 标识符唯一的确定出该基站， 因此也就能过滤出与该源基站建立 X2接口时 所需要的传输地址信息； 而通过运营商信息， 可以在本基站内过滤出与源基 站同属一个运营商时所釆用的传输地址信息。
当有用户终端 UE请求从源基站所服务小区切换到目标基站所服务小区 时， 传输地址请求消息可以为切换请求消息， 相应地， 传输地址响应消息可 以为切换请求应答消息。 此时， 源基站相关信息可由 Source RNC To Target RNC Transparent Container信元所携带，该相关信息中还可以包括发起切换流 程的 UE所在服务小区的全局标识符， 目标基站也可根据该全局标识符过滤 出与该源基站建立 Χ2接口时所需要的传输地址信息； 而目标基站的传输地 址信息由 Target RNC to Source RNC Transparent Container信元携带。
此外， 传输地址请求消息与传输地址响应消息也可以不釆用已有消息， 而是为实现目标基站传输地址的获取而新建的一组消息。 而传输地址请求消 息中还可以携带源基站的传输地址信息。
综上所述， 本发明能利用源基站相关信息， 使得目标基站能对当前配置 的多个用于 X2接口建立的传输地址进行过滤，找到与源基站建立 X2接口所 需要的传输地址， 并将该传输地址通过传输地址响应消息传递给源基站， 有 助于实现基站间 X2接口建立的有效快捷，体现了自动邻区关系优化中 X2接 口管理的完整性。 下面用本发明的两个应用实例进一步加以说明。
如图 1所示， 应用实例一描述如下：
1、 在源基站下某个小区中的终端发起 S1切换请求， 在 Source RNC To Target RNC Transparent Container信息中增加源基站相关信息， 比如源基站全 局标识符、 发起切换流程的 UE所在服务小区的全局标识符、 源基站所属的 运营商信息， 所列举的源基站相关信息可以单独使用或者组合使用。 Source RNC To Target RNC Transparent Container信息包含在源基站发送给 MME的 HANDOVER REQUIRED (切换请求） 消息中；
2、 MME接收到 HANDOVER REQUIRED消息后， 通过 HANDOVER
REQUEST消息将 Source RNC To Target RNC Transparent Container信息透传 给目标基站；
3、 目标基站接收到 HANDOVER REQUEST消息后， 分析 Source RNC To Target RNC Transparent Container信息中包含的信息，比如根据源基站的全 局标识符， 在本地配置的用于 Χ2接口建立的传输地址列表信息中找到与源 基站建立 Χ2连接所需要的传输地址。 目标基站通过 HANDOVER REQUEST ACKNOWLEDGE (切换请求应答） 消息在 Target RNC to Source RNC Transparent Container信息中包含目标基站与源基站建立 X2接口连接所需要 的传输地址信息；
4、 MME接收到 HANDOVER REQUEST ACKNOWLEDGE消息后， 通 过 HANDOVER COMMAND (切换命令 ) 消息将 Target RNC to Source RNC Transparent Container信息透传给源基站；
5、 源基站利用 Target RNC to Source RNC Transparent Container信息中 包含的目标基站与源基站建立 X2接口连接所需要的传输地址信息， 可实现 与目标基站的 X2接口建立。
如图 2所示， 应用实例二描述如下：
1、 当源基站当前需要与当前网络中邻接基站中的某个基站发起 X2接口 建立的时候， 源基站向 MME发送传输地址请求消息， 在该消息中携带源基 站相关信息， 比如源基站全局标识符、 源基站所属的运营商信息等， 所列举 的源基站相关信息可以单独使用或者组合使用；
2、 MME接收到传输地址请求消息后， 将该消息透传给目标基站； 3、 目标基站接收到传输地址请求消息后，分析其中包含的源基站相关信 息， 比如根据源基站的全局标识符， 在本地配置的用于 X2接口建立的传输 地址列表信息中找到与源基站建立 X2 连接所需要的传输地址。 目标基站通 过传输地址响应消息将目标基站与源基站建立 X2接口连接所需要的传输地 址信息发送给 MME;
4、 MME接收到传输地址响应消息后， 将该消息透传给源基站；
5、 源基站利用传输地址响应中包含的目标基站与源基站建立 X2接口连 接所需要的传输地址信息， 可实现与目标基站的 X2接口建立。
工业实用性
本发明能利用源基站相关信息， 使得目标基站能对当前配置的多个用于
X2接口建立的传输地址进行过滤， 找到与源基站建立 X2接口所需要的传输 地址， 并将该传输地址通过传输地址响应消息传递给源基站， 有助于实现基 站间 X2接口建立的有效快捷，体现了自动邻区关系优化中 X2接口管理的完 整性。

Claims

权 利 要 求 书
1、 一种获取目标基站传输地址信息的方法， 其特征在于，
所述目标基站中配置有其各个传输地址信息与其它基站相关信息的对应 关系；
源基站通过移动性管理实体 MME将源基站相关信息发送给所述目标基 站； 所述目标基站收到后， 根据所述源基站相关信息从其所有传输地址中过 滤出与所述源基站建立 X2接口连接所需的传输地址信息后， 通过所述 MME 发送给所述目标基站。
2、 如权利要求 1所述的方法， 其特征在于，
所述源基站通过所述移动性管理实体 MME将所述源基站相关信息发送 给所述目标基站是指： 所述源基站通过所述移动性管理实体 MME向所述目 标基站发送传输地址请求消息， 其中携带所述源基站相关信息；
所述目标基站通过所述 MME将过滤出的传输地址信息发送给所述源基 站是指： 所述目标基站通过所述 MME向所述源基站发送传输地址响应消息， 其中携带所述过滤出的传输地址信息。
3、 如权利要求 1或 2所述的方法， 其特征在于，
所述源基站相关信息中包括： 所述源基站的全局标识符和 /或所述源基站 所属的运营商信息。
4、 如权利要求 2所述的方法， 其特征在于，
当有用户终端 UE请求从所述源基站所服务小区切换到所述目标基站所 服务小区时， 所述传输地址请求消息为切换请求消息；
所述目标基站通过所述 MME向所述源基站发送传输地址响应消息是指： 所述目标基站向所述 MME发送切换请求应答消息， 其中携带所述目标基站 的传输地址信息； 所述 MME收到后， 通过切换命令将所述目标基站的传输 地址信息发送给所述源基站；
所述源基站相关信息中包括： 所述源基站的全局标识符、 所述源基站所 属的运营商信息及所述 UE所在服务小区的全局标识符中的任意一种或其任 意组合。
5、 如权利要求 1、 2或 4所述的方法， 其特征在于，
所述源基站除向所述目标基站发送所述源基站相关信息外， 还发送其与 所述目标基站建立 X2接口连接所需的传输地址信息。
6、 一种基站间建立 X2接口连接的方法， 其特征在于，
所述目标基站中配置有其各个传输地址信息与其它基站相关信息的对应 关系；
当所述源基站欲与所述目标基站建立 X2接口连接时， 所述源基站通过 移动性管理实体 MME将源基站相关信息发送给所述目标基站； 所述目标基 站收到后， 根据所述源基站相关信息从其所有传输地址中过滤出与所述源基 站建立 X2接口连接所需的传输地址信息后，通过所述 MME发送给所述目标 基站；
所述源基站收到后， 利用接收到的所述传输地址信息向所述目标基站发 起 X2接口连接建立流程。
7、 如权利要求 6所述的方法， 其特征在于，
所述源基站通过所述移动性管理实体 MME将所述源基站相关信息发送 给所述目标基站是指： 所述源基站通过所述移动性管理实体 MME向所述目 标基站发送传输地址请求消息， 其中携带所述源基站相关信息；
所述目标基站通过所述 MME将过滤出的传输地址信息发送给所述源基 站是指： 所述目标基站通过所述 MME向所述源基站发送传输地址响应消息 , 其中携带所述过滤出的传输地址信息。
8、 如权利要求 6或 7所述的方法， 其特征在于，
所述源基站相关信息中包括： 所述源基站的全局标识符和 /或所述源基站 所属的运营商信息。
9、 如权利要求 7所述的方法， 其特征在于，
当有用户终端 UE请求从所述源基站所服务小区切换到所述目标基站所 服务小区时， 所述传输地址请求消息为切换请求消息； 所述目标基站通过所述 MME向所述源基站发送传输地址响应消息是指： 所述目标基站向所述 MME发送切换请求应答消息， 其中携带所述目标基站 的传输地址信息； 所述 MME收到后， 通过切换命令将所述目标基站的传输 地址信息发送给所述源基站；
所述源基站相关信息中包括： 所述源基站的全局标识符、 所述源基站所 属的运营商信息及所述 UE所在服务小区的全局标识符中的任意一种或其任 意组合。
10、 如权利要求 6、 7或 9所述的方法， 其特征在于，
所述源基站除向所述目标基站发送所述源基站相关信息外， 还发送其与 所述目标基站建立 X2接口连接所需的传输地址信息。
PCT/CN2008/002132 2008-12-30 2008-12-30 获取目标基站传输地址的方法及建立x2接口连接的方法 WO2010078676A1 (zh)

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