WO2014183528A1 - 双连接处理方法、装置及基站 - Google Patents

双连接处理方法、装置及基站 Download PDF

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Publication number
WO2014183528A1
WO2014183528A1 PCT/CN2014/075604 CN2014075604W WO2014183528A1 WO 2014183528 A1 WO2014183528 A1 WO 2014183528A1 CN 2014075604 W CN2014075604 W CN 2014075604W WO 2014183528 A1 WO2014183528 A1 WO 2014183528A1
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Prior art keywords
base station
connection
base stations
terminal
dual
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PCT/CN2014/075604
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English (en)
French (fr)
Inventor
陈中明
杜忠达
Original Assignee
中兴通讯股份有限公司
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Publication of WO2014183528A1 publication Critical patent/WO2014183528A1/zh

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/10Connection setup
    • H04W76/15Setup of multiple wireless link connections

Definitions

  • the present invention relates to the field of communications, and in particular to a dual connectivity processing method, apparatus, and base station.
  • 1 is a schematic diagram of an overall architecture of a Long Term Evolution (LTE) system.
  • the LTE architecture includes a Mobility Management Entity (MME) service.
  • MME Mobility Management Entity
  • a gateway Serving GetWay, abbreviated as SGW
  • UE user equipment
  • eNodeB base station
  • S 1 -MME SI for the control plane
  • X2 X2 interface between the eNBs.
  • the process of establishing a call by the terminal that is, establishing a control plane link and a user plane link between the UE and the eNB, and a process of controlling a plane link and a user plane link between the eNB and the core network.
  • the user plane GTP-U data of the different services on the connection between the eNB and the core network is carried by an E-UTRAN Radio Access Bearer (EBB), and the control plane is through the eNB and the core network (MME). )
  • EBB E-UTRAN Radio Access Bearer
  • MME core network
  • the user plane connection between the eNB and the UE is carried by a Data Radio Bearer (DRB), and the control connection is carried by a Signalling Radio Bearer (SRB).
  • DRB Data Radio Bearer
  • SRB Signalling Radio Bearer
  • 2 is a flowchart of a process of establishing, modifying, and deleting a radio bearer in the related art. As shown in FIG. 2, (a) is a flowchart for establishing a radio bearer in the related art, and (b) is a radio bearer modified in the related art. Flowchart, (c) is a flow chart for radio bearer deletion in the related art. Due to the surge in mobile users' high-traffic services, and in order to increase user throughput and enhance mobile performance, many companies and operators are eager to seek a new enhancement solution. Dual Connectivity is one of them.
  • the dual-connected terminal can maintain connection with more than two network nodes at the same time.
  • the transmission delay between these network nodes cannot be ignored.
  • the UE keeps connected with two macro cells at the same time, or maintains connection with the macro cell and the micro cell at the same time.
  • the network side can adjust the amount of data transmitted by the terminal on the two nodes in real time.
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • These two networks may be different operators or the same network.
  • One carrier, but different device vendors, so, the base in both networks There may not be a direct interface between the stations (similar to the existing X2 interface).
  • a dual connection processing method including: a first base station determining that one or more second base stations establish a connection with a terminal; the first base station processing a dual connection, wherein the double The connection establishes a connection between the terminal that has established a connection with the first base station and one or more second base stations.
  • the processing, by the first base station, the dual connectivity includes: the first base station processing a connection between the terminal and the one or more second base stations; The one or more second base stations establish a connection with the core network element.
  • the processing, by the first base station, establishing a connection between the terminal and the one or more second base stations includes: sending, by the first base station, the one or more a second base station forwarding request message, where the request message is used to request to establish a connection between the one or more second base stations and a terminal that has established a connection with the first base station; Receiving, by the core network element, a response message sent by the one or more second base stations, where the response message carries configuration information that is used by the one or more second base stations to establish a connection, where The terminal establishes a connection with the one or more second base stations according to the configuration information.
  • the processing, by the first base station, the dual connection comprises: performing, by the first base station, a modification process on the dual connection.
  • the processing, by the first base station, the dual connection includes: deleting, by the first base station, the dual connection.
  • the first base station, the one or more second base stations are at least one of the following: a frequency division duplex system base station, a time division duplex system base station.
  • the first base station, the one or more second base stations are at least one of the following: a macro base station, a micro base station.
  • a dual connectivity processing apparatus including: a determining module, configured to: determine, by a first base station, that one or more second base stations establish a connection with a terminal; and a processing module, configured to be the first base station The dual connection is processed, wherein the dual connection establishes a connection between a terminal that has established a connection with the first base station and one or more second base stations.
  • the processing module includes: a processing unit, configured to: the first base station processes a connection between the terminal and the one or more second base stations; and a notification unit is configured as the first base station Notifying the one or more second base stations to establish a connection with the core network element.
  • the processing unit includes: a sending subunit, configured to: the first base station forwards a request message to the one or more second base stations by using the core network element, where the request message is used for requesting Establishing a connection between the one or more second base stations and a terminal that has established a connection with the first base station; and receiving a subunit, configured to receive, by the first base station, by using the core network element to forward a response message sent by the one or more second base stations, where the response message carries configuration information used by the one or more second base stations to establish a connection, and the terminal according to the configuration information and the One or more second base stations establish a connection.
  • the processing module includes: a modifying unit, configured to modify the dual connection by the first base station.
  • the processing module includes: a deleting unit, configured to delete, by the first base station, a connection established between the terminal and the one or more second base stations.
  • a base station comprising the apparatus of any of the above.
  • the first base station is used to determine that one or more second base stations establish a connection with the terminal; the first base station processes the dual connection, wherein the dual connection is a terminal that establishes a connection with the first base station, and a The connection between the multiple second base stations is solved, and the problem that the dual connection cannot be managed and controlled in the related art is solved, thereby achieving the effect of effective management control of the dual connection by the base station.
  • FIG. 1 is a schematic diagram of an overall architecture of a long-term evolution system LTE in the related art
  • FIG. 2 is a flowchart of a process of establishing, modifying, and deleting a radio bearer in the related art
  • 3 is a flow chart of a dual connection processing method according to an embodiment of the present invention
  • FIG. 4 is a structural block diagram of a dual connection processing apparatus according to an embodiment of the present invention.
  • FIG. 5 is a processing module in a dual connection processing apparatus according to an embodiment of the present invention.
  • FIG. 6 is a block diagram showing a preferred configuration of a processing unit 52 in a dual connectivity processing apparatus according to an embodiment of the present invention;
  • FIG. 7 is a preferred configuration of a processing module 44 in a dual connectivity processing apparatus according to an embodiment of the present invention.
  • FIG. 8 is a block diagram showing a preferred structure of a processing module 44 in a dual connectivity processing apparatus according to an embodiment of the present invention;
  • FIG. 9 is a structural block diagram of a base station according to an embodiment of the present invention;
  • FIG. FIG. 11 is a schematic diagram of a dual connection establishment process according to a preferred embodiment of the present invention;
  • FIG. 12 is a flow chart of dual connection modification according to an embodiment of the present invention
  • FIG. 13 is a dual connection according to a preferred embodiment of the present invention.
  • FIG. 3 is a flowchart of a dual connectivity processing method according to an embodiment of the present invention. As shown in FIG. 3, the flow includes the following steps: Step S302: The first base station determines One or more second base stations establish a connection with the terminal.
  • Step S304 The first base station processes the dual connection, where the dual connection establishes a connection between the terminal that establishes the connection with the first base station and one or more second base stations.
  • the base station determines that the connection can be established with one or more second base stations through the core network element, and the base station processes the dual connection.
  • there is no corresponding dual connection management technology which not only solves the problem.
  • management control of the dual connection cannot be performed, and the effect of effective management control of the dual connection by the base station is achieved.
  • the processing of the dual connectivity by the first base station may include multiple aspects, for example, the first base station processes the connection between the terminal and the one or more second base stations; the first base station notifies the one or more second base stations and the core network. Yuan establishes a connection. For another example, the first base station performs a modification process on the dual connection. Also for example, the first base station performs a deletion process on the dual connection.
  • the processing of establishing a connection between the terminal and the one or more second base stations by the first base station may be performed by: the first base station forwarding the request message to the one or more second base stations by using the network element of the core network, where The request message is used to request to establish a connection between one or more second base stations and a terminal that has established a connection with the first base station; the first base station receives one or more second base station transmissions by way of the core network element forwarding The response message, where the response message carries configuration information used by one or more second base stations to establish a connection, and the terminal establishes a connection with one or more second base stations according to the configuration information.
  • first base station one or more base stations may be in multiple formats, for example, at least one of the following: a frequency division duplex system base station, and a time division duplex system base station.
  • the type of the base station may also be multiple.
  • the first base station, the one or more base stations are at least one of the following: a macro base station, a micro base station.
  • a dual-connection processing device is also provided, which is used to implement the above-mentioned embodiments and preferred embodiments, and has not been described again.
  • the term "module" may implement a combination of software and/or hardware of a predetermined function.
  • FIG. 4 is a block diagram showing the structure of a dual connectivity processing apparatus according to an embodiment of the present invention.
  • the apparatus includes a determination module 42 and a processing module 44, which will be described below.
  • the determining module 42 is configured to: the first base station determines that one or more second base stations establish a connection with the terminal; the processing module 44 is connected to the determining module 42, and is configured to process, by the first base station, the dual connection, where the dual connection is The first base station establishes a connected terminal to establish a connection with one or more second base stations.
  • FIG. 42 is configured to: the first base station determines that one or more second base stations establish a connection with the terminal; the processing module 44 is connected to the determining module 42, and is configured to process, by the first base station, the dual connection, where the dual connection is The first base station establishes a connected terminal to establish a connection with one or more second base stations.
  • FIG. 5 is a block diagram of a preferred structure of the processing module 44 in the dual connectivity processing apparatus according to the embodiment of the present invention.
  • the processing module 44 includes: a processing unit 52 and a notification unit 54, and the processing module 44 Be explained.
  • the processing unit 52 is configured to process, by the first base station, a connection between the terminal and the one or more second base stations.
  • the notification unit 54 is configured to notify the first base station to notify the one or more second base stations to establish a connection with the core network element.
  • FIG. 6 is a block diagram showing a preferred structure of the processing unit 52 in the processing module 44 in the dual connectivity processing apparatus according to the embodiment of the present invention. As shown in FIG.
  • the processing unit 52 includes: a transmitting subunit 62 and a receiving subunit 64, below.
  • the processing unit 52 will be described.
  • the sending sub-unit 62 is configured to: the first base station forwards the request message to the one or more second base stations by using the core network element, where the request message is used to request to be established in the one or more second base stations and the first base station A connection is established between the connected terminals, and the receiving sub-unit 64 is connected to the sending sub-unit 62, and configured to receive, by the first base station, the response message sent by the one or more second base stations by means of the core network element forwarding, where The response message carries configuration information of one or more second base stations for establishing a connection, and the terminal establishes a connection with one or more second base stations according to the configuration information.
  • FIG. 7 is a block diagram 2 showing a preferred structure of the processing module 44 in the dual connectivity processing apparatus according to an embodiment of the present invention.
  • the processing module 44 includes a modification unit 72, which will be described below.
  • the modifying unit 72 is configured to perform a modification process on the dual connection by the first base station.
  • FIG. 8 is a block diagram 3 showing a preferred structure of the processing module 44 in the dual connectivity processing apparatus according to the embodiment of the present invention.
  • the processing module 44 includes a deleting unit 82.
  • the deleting unit 82 will be described below.
  • the deleting unit 82 is configured to perform a deletion process on the connection established between the terminal and the one or more second base stations by the first base station.
  • FIG. 8 is a block diagram 2 showing a preferred structure of the processing module 44 in the dual connectivity processing apparatus according to an embodiment of the present invention.
  • the processing module 44 includes a modification unit 72, which will be described below.
  • the modifying unit 72 is configured to perform a modification process on the dual connection by
  • the base station 90 includes the dual connectivity processing device 92 of any of the above.
  • a dual connectivity management method is proposed, which is managed by a base station to perform dual connectivity, and the current terminal establishes a connection with the first base station.
  • the dual connectivity management method performed by the base station includes: the first base station confirms that the terminal can establish a connection with the terminal by using the core network transparent forwarding message and the second base station; the first base station notifies the terminal to establish a connection with the second base station; the first base station is transparent through the core network The forwarded message establishes a connection with the second base station.
  • FIG. 10 is a schematic diagram of a dual connectivity structure according to an embodiment of the present invention.
  • a UE establishes a connection with two eNBs to access a core network
  • two base stations of dual connectivity (or The network) system has no effect on the implementation of the present invention, that is, the dual connection of the terminal can be two FDDs, or two TDDs, or one FDD-TDD.
  • the dual connection of the terminal can be two FDDs, or two TDDs, or one FDD-TDD.
  • FIG. 11 is a schematic diagram of a dual-connection establishment process according to a preferred embodiment of the present invention.
  • the terminal establishes a connection with the cell 1 on the base station 1, the cell 1 is in the FDD system, and the base station 2 is in the TDD system, and the process includes The following steps are performed:
  • Step S1102 The base station 1 sends a measurement task to the terminal.
  • Step S1104 The base station 1 receives the measurement report reported by the terminal.
  • Step S1106 The terminal notifies the MME of the traffic volume to increase or add a new service.
  • Step S1108 The MME sends the establishment to the base station 1.
  • the radio bearer request carries the IP address of the S-GW.
  • step S1110 the base station 1 finds that the cell 2 signal of the base station 2 is good by the measurement report reported by the terminal, and determines to increase the cell 2; in step S1112, the base station 1 sends the base station 2 to the base station 2 through the MME.
  • the terminal adds the request message of the cell, and includes the following information: the identifier of the base station 2, the identifier of the cell 2, and the following information: the measurement result, the IP address of the S-GW;
  • Step S1114 the base station 2 receives the added cell forwarded by the MME Request message, confirm request, pass
  • the MME sends a response message to the base station 1, allowing the cell 2 to be added, and carrying the configuration information of the cell 2 and the IP address of the base station 2; in step S1116, the base station 1 receives the response message from the base station 2, and configures the cell 2 to the terminal; Step S1118 The terminal receives the configuration and accesses the cell 2; in step S1120, the terminal replies to the base station 1 that the configuration is completed, that is, the base station 1 returns the addition of the cell 2 to complete; in step S1122, the base station 1 receives the terminal configuration complete message, and returns the MME to complete the cell completion.
  • the message carries the IP address of the cell 2; in step S1124, the MME receives the added cell completion message of the base station 1, and sends a message to the S-GW to establish a path with the cell 2, including the IP address of the cell 2; Step S1126, the S-GW establishes The GTP-U tunnel with cell 2 is restored, and the MME tunnel establishment is completed.
  • the core network element recognizes the routing information of the message between the base station 1 and the base station 2, and transparently transmits the message between the base station 1 and the base station 2.
  • FIG. 12 is a flowchart of dual connectivity modification according to an embodiment of the present invention. As shown in FIG.
  • Step S1202 The base station 1 sends a measurement task to the terminal.
  • step S1204 the base station 1 receives the measurement report reported by the terminal.
  • step S1206 the base station 1 discovers the cell of the base station 2 by using the measurement report reported by the terminal.
  • Step S1208 the base station 1 sends a request message for the cell to the terminal 2 to send the cell to the terminal 2 through the MME, and includes the following information: Carrying the following information: measurement result, IP address of S-GW; and message of deleting cell, including the following information: ID of cell 2, it should be noted that the above two messages can be combined and sent in one message, or merged into
  • the cell modification message that is, the cell 2 is modified into the cell 3, and may carry the identity of the cell 3, the identity of the cell 2, the measurement result, and the IP address of the S-GW;
  • S1210 The base station 2 receives the request message for adding the cell to delete the cell, confirms the request, sends a response message to the base station 1 through the MME, allows the cell 2 to be deleted, adds the cell 3, and carries the configuration information of the cell 3, and may also carry the IP address of the base station 2.
  • step S1212 the base station 1 receives the response message, and configures the cell 3 to the terminal.
  • step S1214 the terminal receives the configuration, accesses the cell 3, and deletes the cell 2; step S1216, the terminal The base station 1 replies to the deletion of the cell 2 and adds the completion of the configuration of the cell 3.
  • step S1218 the base station 1 receives the terminal configuration completion message, and returns a cell-removed cell completion message to the MME, or merges into a cell modification completion message.
  • step S1220 the MME receives The base station 1 adds a cell deletion complete message, or merges into a cell modification complete message, and sends a message establishment to the S-GW.
  • the path of the cell 3, including the identifier and/or IP address of the cell 3, deleting the path with the cell 2, may include the identifier and/or IP address of the cell 2, or may be merged into a cell modification message, that is, the cell 2 is modified into the cell 3, and Containing the identity and/or IP address of cell 3 and cell 2;
  • Step S1222 The S-GW establishes a GTP-U tunnel with the cell 3, and returns the MME tunnel establishment and the tunnel deletion completion, or merges into a tunnel modification completion message.
  • the added cell and the deleted cell message are separately transmitted, that is, the added cell is sent to the base station 3, and the deleted cell is sent to the base station 2.
  • 13 is a flowchart of a dual-connection deletion process according to a preferred embodiment of the present invention.
  • the terminal establishes a connection with the cell 1 on the base station 1 and the cell 2 on the base station 2, and the cell 1 is in the FDD system.
  • the base station 2 is a TDD system.
  • the process includes the following steps: Step S1302: The base station 1 sends a measurement task to the terminal.
  • Step S1304 The base station 1 receives the measurement report reported by the terminal.
  • Step S1306 The base station 1 finds that the cell 2 signal of the base station 2 is not good through the measurement report reported by the terminal. And the traffic of the terminal is not very large, and it is decided to delete the cell 2; in step S1308, the base station 1 sends a message of deleting the cell to the terminal, carrying the identifier of the cell 2; Step S1310, the terminal receives the deletion message, deletes the cell 2, and replies to the base station 1 deleting is completed; Step S1312, the base station 1 sends a delete cell message to the MME, carrying the identifier of the cell 2; Step S1314, the MME receives the delete cell message of the base station 1, and sends a message to the S-GW to delete the path of the cell 2, which may include The identifier and/or IP address of the cell 2; Step S1316, the S-GW deletes the GTP-U tunnel with the cell 2, and returns the MME tunnel deletion completion.
  • modules or steps of the present invention can be implemented by a general-purpose computing device, which can be concentrated on a single computing device or distributed over a network composed of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device, such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein.
  • the steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps are fabricated as a single integrated circuit module.
  • the invention is not limited to any specific combination of hardware and software.
  • the above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention.

Abstract

本发明提供了一种双连接处理方法、装置及基站,该方法包括:第一基站确定一个或多个第二基站与终端建立连接;该第一基站对双连接进行处理,其中,双连接为与第一基站建立了连接的终端和一个或多个第二基站建立连接,通过本发明,解决了在相关技术中存在无法对双连接进行管理控制的问题,进而达到了由基站对双连接进行有效管理控制的效果。

Description

双连接处理方法、 装置及基站
技术领域 本发明涉及通信领域, 具体而言, 涉及一种双连接处理方法、 装置及基站。 背景技术 图 1是相关技术中长期演进系统 (Long Term Evolution, 简称为 LTE ) 的总体架 构示意图,如图 1所示,该 LTE架构包括:移动管理实体(Mobility Management Entity, 简称为 MME),服务网关(Serving GetWay,简称为 SGW),用户设备或称为终端(User Equipment, 简称为 UE)和基站 (eNodeB , 简称为 eNB ), 其中, UE和基站之间的接 口是 UU接口, eNB和 MME之间是 S 1 -MME (SI for the control plane )接口, eNB和 SGW之间是 Sl-U接口, eNB之间是 X2接口。 终端建立呼叫的过程,即建立 UE和 eNB之间控制面链路和用户面链路,以及 eNB 和核心网之间的控制面链路和用户面链路的过程。 其中, eNB与核心网的连接上的不 同业务的用户面 GTP-U数据采用演进无线接入承载 (E-UTRAN Radio Access Bearer, 简称为 ERAB ) 来承载, 控制面是通过 eNB与核心网 (MME) 之间的连接来承载。 而 eNB与 UE之间的用户面的连接采用若干数据无线承载 (Data Radio Bearer, 简称 为 DRB ) 来承载, 控制面对连接采用若干信令无线承载 (Signalling Radio Bearer, 简 称为 SRB ) 来承载。 图 2是相关技术中无线承载的建立、 修改、 删除过程的流程图, 如图 2所示, (a) 为相关技术中无线承载建立的流程图, (b)为相关技术中无线承载修改的流程图, (c) 为相关技术中无线承载删除的流程图。 由于移动用户大流量业务的激增, 同时为了增加用户吞吐量和增强移动性能, 目 前不少公司和运营商都倾向于寻求一种新的增强方案, 双连接(Dual Connectivity) 就 是其中之一。 双连接下终端可以同时与两个以上的网络节点保持连接, 这些网络节点 间的传输时延不可以忽略, 比如 UE同时与两个宏小区保持连接, 或者是同时与宏小 区和微小区保持连接。 在网络负荷不均衡时, 网络侧可以实时调控终端在两个节点上 的传输数据量。 现网中, 存在频分双工(Frequency Division Duplex, 简称为 FDD )制 式和时分双工 (Time Division Duplex, 简称为 TDD)制式的网络, 这两个网络可能是 不同的运营商, 或者是同一个运营商, 但是不同的设备厂商, 这样, 两个网络中的基 站之间或许不会存在直接的接口 (类似已经存在的 X2接口), 这时候终端需要同时应 用两个网络的资源, 如何管理双连接, 当前存在的技术无法解决。 因此, 在相关技术中存在无法对双连接进行管理控制的问题。 发明内容 本发明提供了一种双连接处理方法、 装置及基站, 以至少解决在相关技术中存在 无法对双连接进行管理控制的问题。 根据本发明的一个方面, 提供了一种双连接处理方法, 包括: 第一基站确定一个 或多个第二基站与终端建立连接; 所述第一基站对双连接进行处理, 其中, 所述双连 接为与第一基站建立了连接的终端和一个或多个第二基站建立连接。 优选地, 所述第一基站对所述双连接进行处理包括: 所述第一基站对所述终端与 所述一个或多个第二基站之间建立连接进行处理; 所述第一基站通知所述一个或多个 第二基站与所述核心网网元建立连接。 优选地, 所述第一基站对所述终端与所述一个或多个第二基站之间建立连接进行 处理包括: 所述第一基站通过所述核心网网元向所述一个或多个第二基站转发请求消 息, 其中, 所述请求消息用于请求在所述一个或多个第二基站和与所述第一基站建立 了连接的终端之间建立连接; 所述第一基站通过所述核心网网元转发的方式接收到所 述一个或多个第二基站发送的响应消息, 其中, 所述响应消息携带有所述一个或多个 第二基站用于建立连接的配置信息, 所述终端依据所述配置信息与所述一个或多个第 二基站建立连接。 优选地, 所述第一基站对所述双连接进行处理包括: 所述第一基站对所述双连接 进行修改处理。 优选地, 所述第一基站对所述双连接进行处理包括: 所述第一基站对所述双连接 进行删除处理。 优选地, 所述第一基站、 所述一个或多个第二基站为以下至少之一: 频分双工制 式基站、 时分双工制式基站。 优选地, 所述第一基站、 所述一个或多个第二基站为以下至少之一: 宏基站、 微 基站。 根据本发明的另一方面, 提供了一种双连接处理装置, 包括: 确定模块, 设置为 第一基站确定一个或多个第二基站与终端建立连接; 处理模块, 设置为所述第一基站 对双连接进行处理, 其中, 所述双连接为与第一基站建立了连接的终端和一个或多个 第二基站建立连接。 优选地, 所述处理模块包括: 处理单元, 设置为所述第一基站对所述终端与所述 一个或多个第二基站之间建立连接进行处理; 通知单元, 设置为所述第一基站通知所 述一个或多个第二基站与所述核心网网元建立连接。 优选地, 所述处理单元包括: 发送子单元, 设置为所述第一基站通过所述核心网 网元向所述一个或多个第二基站转发请求消息, 其中, 所述请求消息用于请求在所述 一个或多个第二基站和与所述第一基站建立了连接的终端之间建立连接;接收子单元, 设置为所述第一基站通过所述核心网网元转发的方式接收到所述一个或多个第二基站 发送的响应消息, 其中, 所述响应消息携带有所述一个或多个第二基站用于建立连接 的配置信息, 所述终端依据所述配置信息与所述一个或多个第二基站建立连接。 优选地, 所述处理模块包括: 修改单元, 设置为所述第一基站对所述双连接进行 修改处理。 优选地, 所述处理模块包括: 删除单元, 设置为所述第一基站对所述终端与所述 一个或多个第二基站建立的连接进行删除处理。 根据本发明的还一方面, 提供了一种基站, 包括上述任一项所述的装置。 通过本发明, 采用第一基站确定一个或多个第二基站与终端建立连接; 所述第一 基站对双连接进行处理, 其中, 所述双连接为与第一基站建立了连接的终端和一个或 多个第二基站建立连接,解决了在相关技术中存在无法对双连接进行管理控制的问题, 进而达到了由基站对双连接进行有效管理控制的效果。 附图说明 此处所说明的附图用来提供对本发明的进一步理解, 构成本申请的一部分, 本发 明的示意性实施例及其说明用于解释本发明, 并不构成对本发明的不当限定。 在附图 中- 图 1是相关技术中长期演进系统 LTE的总体架构示意图; 图 2是相关技术中无线承载的建立、 修改、 删除过程的流程图; 图 3是根据本发明实施例的双连接处理方法的流程图; 图 4是根据本发明实施例的双连接处理装置的结构框图; 图 5是根据本发明实施例的双连接处理装置中处理模块 44的优选结构框图一; 图 6是根据本发明实施例的双连接处理装置中中处理单元 52的优选结构框图; 图 7是根据本发明实施例的双连接处理装置中处理模块 44的优选结构框图二; 图 8是根据本发明实施例的双连接处理装置中处理模块 44的优选结构框图三; 图 9是根据本发明实施例的基站的结构框图; 图 10是根据本发明优选实施例的双连接的结构示意图; 图 11是根据本发明优选实施方式的双连接建立流程示意图; 图 12是根据本发明实施例的双连接修改的流程图; 图 13是根据本发明优选实施方式的双连接删除过程的流程图。 具体实施方式 下文中将参考附图并结合实施例来详细说明本发明。 需要说明的是, 在不冲突的 情况下, 本申请中的实施例及实施例中的特征可以相互组合。 在本实施例中提供了一种双连接处理方法, 图 3是根据本发明实施例的双连接处 理方法的流程图, 如图 3所示, 该流程包括如下步骤: 步骤 S302, 第一基站确定一个或多个第二基站与终端建立连接; 步骤 S304, 该第一基站对双连接进行处理, 其中, 双连接为与第一基站建立了连 接的终端和一个或多个第二基站建立连接。 通过上述步骤,由基站通过核心网网元确定能够与一个或多个第二基站建立连接, 由基站对双连接进行处理, 相对于相关技术中没有相应的对双连接管理的技术, 不仅 解决了相关技术中存在无法对双连接进行管理控制的问题, 进而达到了由基站对双连 接进行有效管理控制的效果。 第一基站对双连接进行处理可以包括多方面, 例如, 第一基站对终端与一个或多 个第二基站之间建立连接进行处理; 第一基站通知一个或多个第二基站与核心网网元 建立连接。 又例如, 第一基站对双连接进行修改处理。 还例如, 第一基站对双连接进 行删除处理。 优选地, 第一基站对终端与一个或多个第二基站之间建立连接进行处理可以采用 以下处理流程: 第一基站通过核心网网元向一个或多个第二基站转发请求消息,其中, 该请求消息用于请求在一个或多个第二基站和与第一基站建立了连接的终端之间建立 连接; 第一基站通过核心网网元转发的方式接收到一个或多个第二基站发送的响应消 息, 其中, 该响应消息携带有一个或多个第二基站用于建立连接的配置信息, 终端依 据上述配置信息与一个或多个第二基站建立连接。 需要说明的是, 上述第一基站、 一个或多个基站的制式可以为多种, 例如, 可以 为以下至少之一: 频分双工制式基站、 时分双工制式基站。 基站的类型也可以多种, 例如, 该第一基站、 一个或多个基站为以下至少之一: 宏基站、 微基站。 在本实施例中还提供了一种双连接处理装置, 该装置用于实现上述实施例及优选 实施方式, 已经进行过说明的不再赘述。 如以下所使用的, 术语 "模块"可以实现预 定功能的软件和 /或硬件的组合。 尽管以下实施例所描述的装置较佳地以软件来实现, 但是硬件, 或者软件和硬件的组合的实现也是可能并被构想的。 图 4是根据本发明实施例的双连接处理装置的结构框图, 如图 4所示, 该装置包 括确定模块 42和处理模块 44, 下面对该装置进行说明。 确定模块 42, 设置为第一基站确定一个或多个第二基站与终端建立连接; 处理模 块 44, 连接至上述确定模块 42, 设置为第一基站对双连接进行处理, 其中, 双连接为 与第一基站建立了连接的终端与一个或多个第二基站建立连接。 图 5是根据本发明实施例的双连接处理装置中处理模块 44的优选结构框图一,如 图 5所示, 该处理模块 44包括: 处理单元 52和通知单元 54, 下面对该处理模块 44 进行说明。 处理单元 52, 设置为第一基站对终端与一个或多个第二基站之间建立连接进行处 理; 通知单元 54, 设置为第一基站通知一个或多个第二基站与核心网网元建立连接。 图 6是根据本发明实施例的双连接处理装置中处理模块 44中处理单元 52的优选 结构框图, 如图 6所示, 该处理单元 52包括: 发送子单元 62和接收子单元 64, 下面 对该处理单元 52进行说明。 发送子单元 62, 设置为第一基站通过核心网网元向一个或多个第二基站转发请求 消息, 其中, 该请求消息用于请求在一个或多个第二基站和与第一基站建立了连接的 终端之间建立连接; 接收子单元 64, 连接至上述发送子单元 62, 设置为第一基站通过 核心网网元转发的方式接收到一个或多个第二基站发送的响应消息, 其中, 该响应消 息携带有一个或多个第二基站用于建立连接的配置信息, 终端依据配置信息与一个或 多个第二基站建立连接。 图 7是根据本发明实施例的双连接处理装置中处理模块 44的优选结构框图二,如 图 7所示, 该处理模块 44包括修改单元 72, 下面对该修改单元 72进行说明。 修改单元 72, 设置为第一基站对双连接进行修改处理。 图 8是根据本发明实施例的双连接处理装置中处理模块 44的优选结构框图三,如 图 8所示, 该处理模块 44包括删除单元 82, 下面对该删除单元 82进行说明。 删除单元 82, 设置为第一基站对终端与一个或多个第二基站建立的连接进行删除 处理。 图 9是根据本发明实施例的基站的结构框图,如图 9所示,该基站 90包括上述任 一项的双连接处理装置 92。 针对相关技术中的上述问题, 提出一种双连接的管理方法, 该方法由基站来进行 双连接的管理, 当前终端与第一个基站建立了连接。 该基站进行的双连接管理方法包 括: 第一基站通过核心网透明转发消息与第二基站确认可以和终端建立连接; 第一基 站通知终端建立与第二基站的连接; 第一基站通过核心网透明转发消息建立与第二基 站的连接。 通过该方法, 能让终端进行正常的高速数据业务, 提升了用户数据业务的 性能和用户体验。 图 10是根据本发明实施例的双连接结构示意图, 如图 10所示, 该结构中 UE通 过与两个 eNB建立连接, 接入核心网, 需要说明的是, 双连接的两个基站(或是网络) 制式对本发明的实施没有影响, 即终端的双连接可以是两个 FDD的,或两个 TDD的, 或者是一个 FDD—个 TDD的。对于两个基站的类别也不受限制,可以是两个宏基站, 两个微基站, 或宏基站和微基站。 另外, 三连接, 四连接等的过程跟双连接类似, 不 再重复描述。 图 11是根据本发明优选实施方式的双连接建立流程示意图, 如图 11所示, 终端 与基站 1上的小区 1建立了连接, 小区 1是 FDD制式的, 基站 2是 TDD制式, 该流 程包括如下步骤: 步骤 S1102, 基站 1给终端下发测量任务; 步骤 S1104, 基站 1接收终端上报的测量报告; 步骤 S1106, 终端通知 MME业务量增加或增加新业务; 步骤 S1108, MME给基站 1发送建立无线承载请求, 携带 S-GW的 IP地址; 步骤 S1110, 基站 1通过终端上报的测量报告发现基站 2的小区 2信号很好, 决 定增加小区 2; 步骤 S1112, 基站 1通过 MME给基站 2发送给终端增加小区的请求消息, 包含 以下信息: 基站 2的标识, 小区 2的标识, 还可以携带以下信息: 测量结果, S-GW 的 IP地址; 步骤 S1114, 基站 2收到 MME转发过来的增加小区请求消息, 确认请求, 通过
MME给基站 1回复响应消息, 允许增加小区 2, 并携带小区 2的配置信息, 和基站 2 的 IP地址; 步骤 S1116, 基站 1收到基站 2的响应消息, 将小区 2配置给终端; 步骤 S1118, 终端收到配置, 接入小区 2; 步骤 S1120, 终端向基站 1回复配置完成, 即向基站 1回复增加小区 2完成; 步骤 S1122, 基站 1收到终端配置完成消息, 给 MME回复增加小区完成消息, 携带小区 2的 IP地址; 步骤 S1124, MME收到基站 1的增加小区完成消息,给 S-GW发送消息建立与小 区 2的通路, 包含小区 2的 IP地址; 步骤 S1126, S-GW建立与小区 2的 GTP-U隧道, 并回复 MME隧道建立完成。 在这个过程中, 核心网网元认知基站 1和基站 2之间消息的路由信息, 并且透明 地在基站 1和基站 2之间传递消息。 图 12是根据本发明实施例的双连接修改的流程图, 如图 12所示, 终端与基站 1 上的小区 1, 基站 2上的小区 2建立了连接, 小区 1是 FDD制式的, 基站 2是 TDD 制式, 该流程包括如下步骤: 步骤 S1202, 基站 1给终端下发测量任务; 步骤 S1204, 基站 1接收终端上报的测量报告; 步骤 S1206, 基站 1通过终端上报的测量报告发现基站 2的小区 2信号不好, 决 定换成信号好的小区 3, 小区 3归属基站 2; 步骤 S1208, 基站 1通过 MME给基站 2发送给终端增加小区的请求消息, 包含 以下信息: 小区 3的标识, 还可以携带以下信息: 测量结果, S-GW的 IP地址; 还有 删除小区的消息, 包含以下信息: 小区 2的标识, 需要指出的是, 上述两个消息可以 合并在一个消息里面发送, 或者合并成小区修改消息即小区 2修改成小区 3, 可以携 带小区 3的标识, 小区 2的标识, 测量结果, S-GW的 IP地址; 步骤 S1210, 基站 2收到增加小区删除小区的请求消息, 确认请求, 通过 MME 给基站 1回复响应消息, 允许删除小区 2增加小区 3, 并携带小区 3的配置信息, 还 可以携带基站 2的 IP地址,或者合并成允许小区修改消息即允许小区 2修改成小区 3, 可以携带小区 2和小区 3的标识, 小区 3的配置信息; 步骤 S1212, 基站 1收到响应消息, 将小区 3配置给终端, 并删除小区 2, 或者合 并成小区修改消息即小区 2修改成小区 3, 携带小区 2和小区 3的标识; 步骤 S1214, 终端收到配置, 接入小区 3, 删除小区 2; 步骤 S1216, 终端向基站 1回复删除小区 2增加小区 3完成的配置完成; 步骤 S1218, 基站 1收到终端配置完成消息, 给 MME回复增加小区删除小区完 成消息, 或者合并成小区修改完成消息; 步骤 S1220, MME收到基站 1的增加小区删除完成消息, 或者合并成小区修改完 成消息, 给 S-GW发送消息建立与小区 3的通路, 包含小区 3的标识和 /或 IP地址, 删除与小区 2的通路, 可以包含小区 2的标识和 /或 IP地址, 或者合并成小区修改消 息即小区 2修改成小区 3, 可以包含小区 3和小区 2的标识和 /或 IP地址; 步骤 S1222, S-GW建立与小区 3的 GTP-U隧道, 并回复 MME隧道建立和隧道 删除完成, 或者合并成隧道修改完成消息。 需要指出的是, 在上述实施例中, 如果小区 3归属基站 3, 那么增加小区和删除 小区消息就分开发送, 即增加小区发送给基站 3, 删除小区发送给基站 2。 图 13是根据本发明优选实施方式的双连接删除过程的流程图, 如图 13所示, 终 端与基站 1上的小区 1, 基站 2上的小区 2建立了连接, 小区 1是 FDD制式的, 基站 2是 TDD制式。 该流程包括如下步骤: 步骤 S1302, 基站 1给终端下发测量任务; 步骤 S1304, 基站 1接收终端上报的测量报告; 步骤 S1306, 基站 1通过终端上报的测量报告发现基站 2的小区 2信号不好, 而 且终端的业务量不是很大, 决定删除小区 2; 步骤 S1308, 基站 1给终端发送删除小区的消息, 携带小区 2的标识; 步骤 S1310, 终端收到删除消息, 删除小区 2, 并回复基站 1删除完成; 步骤 S1312, 基站 1给 MME发送删除小区消息, 携带小区 2的标识; 步骤 S1314, MME收到基站 1的删除小区消息, 给 S-GW发送消息删除与小区 2 的通路, 可以包含小区 2的标识和 /或 IP地址; 步骤 S1316, S-GW删除与小区 2的 GTP-U隧道, 并回复 MME隧道删除完成。 显然, 本领域的技术人员应该明白, 上述的本发明的各模块或各步骤可以用通用 的计算装置来实现, 它们可以集中在单个的计算装置上, 或者分布在多个计算装置所 组成的网络上, 可选地, 它们可以用计算装置可执行的程序代码来实现, 从而, 可以 将它们存储在存储装置中由计算装置来执行, 并且在某些情况下, 可以以不同于此处 的顺序执行所示出或描述的步骤, 或者将它们分别制作成各个集成电路模块, 或者将 它们中的多个模块或步骤制作成单个集成电路模块来实现。 这样, 本发明不限制于任 何特定的硬件和软件结合。 以上所述仅为本发明的优选实施例而已, 并不用于限制本发明, 对于本领域的技 术人员来说, 本发明可以有各种更改和变化。 凡在本发明的精神和原则之内, 所作的 任何修改、 等同替换、 改进等, 均应包含在本发明的保护范围之内。 工业实用性 如上所述, 本发明实施例提供的一种双连接处理方法、 装置及基站具有以下 有益效果: 解决了在相关技术中存在无法对双连接进行管理控制的问题, 进而达到 了由基站对双连接进行有效管理控制的效果。

Claims

权 利 要 求 书
1. 一种双连接处理方法, 包括:
第一基站确定一个或多个第二基站与终端建立连接;
所述第一基站对双连接进行处理, 其中, 所述双连接为与第一基站建立了 连接的终端和一个或多个第二基站建立连接。
2. 根据权利要求 1所述的方法,其中,所述第一基站对所述双连接进行处理包括:
所述第一基站对所述终端与所述一个或多个第二基站之间建立连接进行处 理;
所述第一基站通知所述一个或多个第二基站与所述核心网网元建立连接。
3. 根据权利要求 1所述的方法, 其中, 所述第一基站对所述终端与所述一个或多 个第二基站之间建立连接进行处理包括:
所述第一基站通过所述核心网网元向所述一个或多个第二基站转发请求消 息, 其中, 所述请求消息用于请求在所述一个或多个第二基站和与所述第一基 站建立了连接的终端之间建立连接;
所述第一基站通过所述核心网网元转发的方式接收到所述一个或多个第二 基站发送的响应消息, 其中, 所述响应消息携带有所述一个或多个第二基站用 于建立连接的配置信息, 所述终端依据所述配置信息与所述一个或多个第二基 站建立连接。
4. 根据权利要求 1所述的方法,其中,所述第一基站对所述双连接进行处理包括:
所述第一基站对所述双连接进行修改处理。
5. 根据权利要求 1所述的方法,其中,所述第一基站对所述双连接进行处理包括:
所述第一基站对所述双连接进行删除处理。
6. 根据权利要求 1至 5中任一项所述的方法, 其中, 所述第一基站、 所述一个或 多个第二基站为以下至少之一:
频分双工制式基站、 时分双工制式基站。
7. 根据权利要求 1至 5中任一项所述的方法, 其中, 所述第一基站、 所述一个或 多个第二基站为以下至少之一:
宏基站、 微基站。
8. 一种双连接处理装置, 包括:
确定模块, 设置为第一基站确定一个或多个第二基站与终端建立连接; 处理模块, 设置为所述第一基站对双连接进行处理, 其中, 所述双连接为 与第一基站建立了连接的终端和一个或多个第二基站建立连接。
9. 根据权利要求 8所述的装置, 其中, 所述处理模块包括:
处理单元, 设置为所述第一基站对所述终端与所述一个或多个第二基站之 间建立连接进行处理;
通知单元, 设置为所述第一基站通知所述一个或多个第二基站与所述核心 网网元建立连接。
10. 根据权利要求 8所述的装置, 其中, 所述处理单元包括:
发送子单元, 设置为所述第一基站通过所述核心网网元向所述一个或多个 第二基站转发请求消息, 其中, 所述请求消息用于请求在所述一个或多个第二 基站和与所述第一基站建立了连接的终端之间建立连接;
接收子单元, 设置为所述第一基站通过所述核心网网元转发的方式接收到 所述一个或多个第二基站发送的响应消息, 其中, 所述响应消息携带有所述一 个或多个第二基站用于建立连接的配置信息, 所述终端依据所述配置信息与所 述一个或多个第二基站建立连接。
11. 根据权利要求 8所述的装置, 其中, 所述处理模块包括:
修改单元, 设置为所述第一基站对所述双连接进行修改处理。
12. 根据权利要求 8所述的装置, 其中, 所述处理模块包括:
删除单元, 设置为所述第一基站对所述双连接进行删除处理。
13. 一种基站, 包括权利要求 8至 12中任一项所述的装置。
PCT/CN2014/075604 2013-08-08 2014-04-17 双连接处理方法、装置及基站 WO2014183528A1 (zh)

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