WO2012106966A1 - 一种基于多点协作的集中式有线口数据传输方法及系统 - Google Patents

一种基于多点协作的集中式有线口数据传输方法及系统 Download PDF

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Publication number
WO2012106966A1
WO2012106966A1 PCT/CN2011/082899 CN2011082899W WO2012106966A1 WO 2012106966 A1 WO2012106966 A1 WO 2012106966A1 CN 2011082899 W CN2011082899 W CN 2011082899W WO 2012106966 A1 WO2012106966 A1 WO 2012106966A1
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service
enodeb
primary
core network
primary enodeb
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PCT/CN2011/082899
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English (en)
French (fr)
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郑卫民
樊荣
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中兴通讯股份有限公司
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Publication of WO2012106966A1 publication Critical patent/WO2012106966A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/10Connection setup
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W88/00Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08Access point devices
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W92/00Interfaces specially adapted for wireless communication networks
    • H04W92/04Interfaces between hierarchically different network devices
    • H04W92/12Interfaces between hierarchically different network devices between access points and access point controllers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W92/00Interfaces specially adapted for wireless communication networks
    • H04W92/16Interfaces between hierarchically similar devices
    • H04W92/20Interfaces between hierarchically similar devices between access points

Definitions

  • the present invention relates to the establishment of a service bearer and a service data transmission technology in a Long Term Evolution Advanced (LTE A) system, and more particularly to a centralized wired port data transmission method and system based on multipoint cooperation.
  • LTE A Long Term Evolution Advanced
  • LTE Long Term Evolution
  • UE user equipment
  • eNodeB evolved base station
  • MME Mobile Management Equipment
  • the eNodeB (Serving Gateway, SGW), the uplink address information allocated for the service; the eNodeB returns an E-RAB setup response message after receiving the E-RAB setup request message, where the E-RAB setup response message carries the successfully established service identifier And the downlink address information allocated by the eNodeB for the service.
  • SGW Serving Gateway
  • the main purpose of the present invention is to provide a centralized wired interface data transmission method and system based on multi-point cooperation, which can effectively solve the introduction of CoMP transmission in the LTE-A system.
  • the present invention provides a centralized wired interface data transmission method based on multi-point cooperation, and the method includes:
  • the core network initiates a service establishment request to the primary eNodeB through the wired interface S1;
  • the primary eNodeB interacts with one or more cooperative eNodeBs through the wired interface X2 to establish a service bearer;
  • the primary eNodeB returns a service bearer setup response to the core network through the wired interface S1, and completes the service bearer establishment;
  • the service data between the core network and the UE is uniformly scheduled by the primary eNodeB, and is transmitted by the primary eNodeB and the coordinated eNodeB.
  • the service bearer setup request is: a service bearer setup request message, where the message carries the service information to be established, and the uplink transport layer address information allocated by the core network for the service at the S1 port.
  • the primary eNodeB interacts with one or more collaborative eNodeBs through the wired interface X2 to establish a service, including:
  • the primary eNodeB sends a service bearer setup request message to the cooperative eNodeB through the wired interface X2, where the setup request message carries the service information, and the transport layer address information allocated by the primary eNodeB for the service on the X2 interface; the cooperative eNodeB responds to the service through the wired interface X2.
  • the bearer setup response message is sent to the primary eNodeB, where the response message carries the service identifier, and the transport layer address information allocated by the coordinated eNodeB for the service at the X2 port.
  • the service is configured to generate a response, and the service message carries a response message, where the response message carries the service identifier, and the downlink transport layer address information allocated by the primary eNodeB for the service at the S1 port.
  • the service data between the core network and the UE is uniformly scheduled by the primary eNodeB. Transmitted by the primary eNodeB and the collaborative eNodeB, including:
  • the primary eNodeB and the coordinated eNodeB receive the service data sent by the UE, and the coordinated eNodeB sends the received service data to the primary eNodeB for the address allocated by the primary eNodeB for the service on the X2 interface, and then received by the primary eNodeB.
  • the service data is sent to the core network for the uplink address allocated by the service; in the downlink direction, the core network sends the downlink service data to the primary eNodeB according to the downlink address allocated by the primary eNodeB for the service, and the primary eNodeB allocates the service data, and then respectively
  • the coordinated eNodeB sends the address assigned to the service to the coordinated eNodeB at the X2 port.
  • the primary eNodeB and the coordinated eNodeB send the service data to the UE.
  • the present invention also provides a centralized wired interface data transmission system based on multi-point cooperation, the system comprising: a primary eNodeB and one or more collaborative eNodeBs, and a core network, wherein the primary eNodeB is configured to pass
  • the wired interface X2 interacts with one or more cooperative eNodeBs to establish a service bearer, and receives a service bearer setup message sent by the core network through the wired interface S1, performs service bearer establishment, and returns a service bearer establishment response to the core network, and uniformly schedules the core network.
  • the service data between the UE and the UE, and the service data is coordinated by the primary eNodeB and the coordinated eNodeB;
  • the core network is configured to initiate a service bearer setup request to the primary eNodeB through the wired interface S1, receive a service setup response returned by the primary eNodeB, and complete the service setup.
  • the service bearer establishment request sent by the core network is: a service bearer setup request message, where the message carries the service information to be established, and the uplink transport layer address information allocated by the core network for the service at the S1 port.
  • the primary eNodeB interacts with one or more collaborative eNodeBs through the wired interface X2 to establish a service, including:
  • the primary eNodeB sends a service bearer setup request message to the cooperative eNodeB through the wired interface X2, where the setup request message carries the service information, and the primary eNodeB allocates the service at the X2 port.
  • the transport layer address information is sent by the cooperating eNodeB to the primary eNodeB through the wired port X2, where the response message carries the service identifier and the transport layer downlink address information allocated by the coordinated eNodeB for the service at the X2 port.
  • the primary eNodeB establishes a response to the service bearer returned by the core network, and is: a service bearer setup response message, where the response message carries the service identifier, and the downlink transport layer address information allocated by the primary eNodeB for the service at the S1 interface.
  • the primary eNodeB uniformly schedules service data between the core network and the UE, so that the service data is transmitted by the primary eNodeB and the coordinated eNodeB, including:
  • the primary eNodeB and the coordinated eNodeB receive the service data sent by the UE, and the coordinated eNodeB sends the received service data to the primary eNodeB for the address allocated by the primary eNodeB for the service on the X2 interface, and then received by the primary eNodeB.
  • the service data is sent to the core network for the uplink address allocated by the service; in the downlink direction, the core network sends the downlink service data to the primary eNodeB according to the downlink address allocated by the primary eNodeB for the service, and the primary eNodeB allocates the service data, and then respectively
  • the coordinated eNodeB sends the address allocated for the service on the X2 interface to each coordinated eNodeB.
  • the primary eNodeB and the coordinated eNodeB send the service data to the UE.
  • the core network initiates a service bearer setup request to the primary eNodeB through the wired interface S1; the primary eNodeB interacts with one or more collaborative eNodeBs through the wired interface X2
  • the main eNodeB returns a service to the core network through the wired interface S1, and establishes a response to complete the service establishment; the service data between the core network and the UE is uniformly scheduled by the primary eNodeB, and the primary eNodeB and the coordinated eNodeB Transfer.
  • 1 is a schematic structural diagram of a system after a multipoint cooperation technology is introduced in an LTE-A system according to the present invention
  • 2 is a schematic flowchart of a centralized wired port data transmission method based on multi-point cooperation according to the present invention
  • FIG. 3 is a schematic diagram showing the structure of a centralized wired port data transmission system based on multi-point cooperation according to the present invention. detailed description
  • FIG. 1 is a schematic structural diagram of a system after a multipoint cooperation technology is introduced in an LTE-A system according to the present invention.
  • the system includes: UE11, MME/SGW12, a primary eNodeB13, a cooperative eNodeB 14, and a cooperative eNodeB 15.
  • the UE1 and the three eNodeBs each have a wireless port XI.
  • the primary eNodeB 13, the cooperative eNodeB 14 and the cooperative eNodeB 15 have a wired port X2, and the core network MME/SGW 12 communicates with the primary eNodeB 13 through the wired interface S1.
  • the basic idea of the present invention is that the core network initiates a service bearer setup request to the primary eNodeB through the wired interface S1; the primary eNodeB interacts with one or more cooperative eNodeBs through the wired interface X2 to establish a service bearer; the primary eNodeB passes the wired interface S1 to the core network.
  • the service bearer setup response is returned, and the service bearer setup is completed; the service data between the core network and the UE is uniformly scheduled by the primary eNodeB, and is transmitted by the primary eNodeB and the coordinated eNodeB.
  • FIG. 1 is a schematic flowchart of a centralized wired port data transmission method based on multi-point cooperation according to the present invention. As shown in FIG. 2, the method includes the following steps:
  • Step 201 The core network initiates a service bearer setup request to the primary eNodeB through the wired interface S1. Specifically, the core network MME/SGW sends a service bearer setup request message to the primary eNodeB through the wired interface S1, where the message carries the service information to be established. And the uplink transport layer address information allocated by the SGW to the service at the S1 port.
  • Step 202 The primary eNodeB interacts with one or more cooperative eNodeBs through the wired interface X2 to establish a service bearer. Specifically, the primary eNodeB sends a CoMP service bearer setup request message to the cooperative eNodeB through the wired interface X2, where the setup request message carries the service information that needs to be established, and the transport layer address information that the primary eNodeB allocates for the service on the X2 interface; The eNodeB responds to the CoMP service bearer setup response message to the primary eNodeB through the wired interface X2, the response message carries the service identifier, and the transport layer downlink address information assigned by the coordinated eNodeB to the service at the X2 port, step 203, the primary eNodeB passes the wired port S1. Returning a service bearer setup response to the core network, and completing service bearer establishment;
  • the primary eNodeB sends a response message to the core network through the wired port S1, where the response message carries the service identifier and the downlink transport layer address information allocated by the primary eNodeB for the service at the S1 port.
  • Step 204 The service data between the core network and the UE is uniformly scheduled by the primary eNodeB, and is transmitted by the primary eNodeB and the coordinated eNodeB.
  • the primary eNodeB and the coordinated eNodeB receive the service data sent by the UE, and the coordinated eNodeB sends the received service data to the primary eNodeB for the address allocated by the primary eNodeB for the service on the X2 interface, and then the primary eNodeB receives the service.
  • the incoming service data is sent to the SGW for the uplink address assigned by the service.
  • the SGW sends the downlink service data to the primary eNodeB according to the downlink address allocated by the primary eNodeB for the service.
  • the primary eNodeB allocates the service data, and then sends the service data to the address allocated by the coordinated eNodeB for the service on the X2 interface.
  • FIG. 3 is a schematic structural diagram of a centralized wired port data transmission system based on multi-point cooperation according to the present invention. As shown in FIG. 3, the system includes: a primary eNodeB 31 and one or more cooperative eNodeBs 32, and a core network 33;
  • the primary eNodeB 31 is configured to communicate with one or more collaborative eNodeBs through the wired interface X2
  • the service bearer is established by the interaction, and the service bearer setup message sent by the core network 33 is received through the wired interface S1, the service bearer is established, and the service bearer setup response is returned to the core network 33, and the service data between the core network 33 and the UE is uniformly scheduled. , which is transmitted by the primary eNodeB 31 and the cooperative eNodeB 32;
  • the primary eNodeB 31 sends a CoMP service bearer setup request message to the cooperative eNodeB 32 through the wired interface X2, where the setup request message carries the service information to be established, and the transport layer address information allocated by the primary eNodeB for the service on the X2 interface;
  • the eNodeB 32 responds to the CoMP service 7 through the wired interface X2, and sends a response message to the primary eNodeB 31.
  • the response message carries the service identifier and the transport layer downlink address information allocated by the coordinated eNodeB for the service at the X2 port.
  • the primary eNodeB 31 returns a service bearer setup response message to the core network 33 through the wired interface S1.
  • the response message carries the service identifier and the downlink transport layer address information allocated by the primary eNodeB 31 for the service at the S1 interface.
  • the primary eNodeB 31 uniformly schedules the service data between the core network 33 and the UE to be transmitted by the primary eNodeB 31 and the coordinated eNodeB 32, and specifically includes: in the uplink direction, the primary eNodeB 31 and the coordinated eNodeB 32 receive the service data sent by the UE, and cooperate with the eNodeB 32.
  • the received service data is transmitted to the primary eNodeB 31 for the address allocated by the primary eNodeB 31 at the X2 port for the service, and the primary eNodeB 31 transmits the received service data to the SGW for the uplink address assigned by the service.
  • the SGW sends the downlink service data to the primary eNodeB 31 according to the downlink address allocated by the primary eNodeB 31 for the service, and the primary eNodeB 31 allocates the service data, and then sends the service data to the address allocated by the coordinated eNodeB 32 for the service on the X2 interface.
  • the primary eNodeB and the coordinated eNodeB transmit the service data to the UE.
  • the core network 33 is configured to initiate a service bearer setup request to the primary eNodeB 31 through the wired interface S1, receive a service bearer setup response returned by the primary eNodeB 31, and complete the service bearer setup.
  • the MME/SGW in the core network 33 sends a service bearer setup request message to the primary eNodeB 31 through the wired interface S1, where the message carries the service information to be established, and the uplink transport layer address allocated by the SGW for the service at the S1 interface. information.

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  • Computer Networks & Wireless Communication (AREA)
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Abstract

本发明公开了一种基于多点协作的集中式有线口数据传输方法,所述方法包括:核心网通过有线口S1向主演进型基站(eNodeB)发起业务承载建立请求;主eNodeB通过有线口X2与一个或多个协作eNodeB进行交互,建立业务承载;主eNodeB通过有线口S1向核心网返回业务承载建立响应,完成业务承载建立;核心网和用户设备之间的业务数据,经过主eNodeB统一调度,由主eNodeB和协作eNodeB进行传输。本发明还公开了一种基于多点协作的集中式有线口数据传输系统,通过上述方法和系统,能够实现在高级长期演进系统中引入多点协作传输技术后,涉及到多个eNodeB的业务通道的建立和数据传输。

Description

一种基于多点协作的集中式有线口数据传输方法及系统 技术领域
本发明涉及高级长期演进 ( Long Term Evolution Advanced, LTE A ) 系 统中业务承载的建立和业务数据的传输技术, 特别是指一种基于多点协作 的集中式有线口数据传输方法及系统。 背景技术
在长期演进 ( Long Term Evolution, LTE ) 系统中, 用户设备(User Equipment, UE )在进行上下行业务时,需要核心网和演进型基站( eNodeB ) 为 UE建立有线口业务通道。 在现有技术中, 具体的流程是: 移动管理实体
( Mobile Management Equipment, MME )向 eNodeB发送 E-RAB建立请求 消息, 所述 E-RAB请求消息中携带需要建立的业务信息, 以及服务网关
( Serving Gateway, SGW )为该业务分配的上行地址信息; eNodeB接收到 所述 E-RAB建立请求消息后返回 E-RAB建立响应消息 , 所述 E-RAB建立 响应消息中携带成功建立的业务标识,以及 eNodeB为该业务分配的下行地 址信息。
但是, 在 LTE— A系统中引入多点协作 (Cooperative Multi-Point, CoMP) 传输技术后,会出现多个小区为一个 UE提供服务的情况, 并且这些小区可 能分属不同的 eNodeB, 因此一个业务通道的建立将涉及到多个 eNodeB。 但是, 在现有技术中针对这个问题并没有相应的解决方案。 发明内容
有鉴于此, 本发明的主要目的在于提供一种基于多点协作的集中式有 线口数据传输方法及系统, 能够有效解决在 LTE— A系统中引入 CoMP传输 技术后, 涉及到多个 eNodeB的业务通道无法建立和无法传输的问题。
为达到上述目的, 本发明的技术方案是这样实现的:
本发明提供了一种基于多点协作的集中式有线口数据传输方法, 所述 方法, 包括:
核心网通过有线口 S1向主 eNodeB发起业务 载建立请求;
主 eNodeB通过有线口 X2与一个或多个协作 eNodeB进行交互, 建立 业务承载;
主 eNodeB通过有线口 S1向核心网返回业务承载建立响应, 完成业务 承载建立;
核心网和 UE之间的业务数据,经过主 eNodeB统一调度,由主 eNodeB 和协作 eNodeB进行传输。
其中, 所述业务承载建立请求, 为: 业务承载建立请求消息, 所述消 息中携带需要建立的业务信息, 以及核心网在 S1口为该业务分配的上行传 输层地址信息。
其中, 所述主 eNodeB通过有线口 X2与一个或多个协作 eNodeB进行 交互, 建立业务^载, 包括:
主 eNodeB通过有线口 X2向协作 eNodeB发送业务承载建立请求消息, 所述建立请求消息中携带业务信息, 以及主 eNodeB在 X2口为该业务分配 的传输层地址信息; 协作 eNodeB通过有线口 X2回应业务承载建立响应消 息给主 eNodeB, 所述响应消息中携带业务标识, 以及协作 eNodeB在 X2 口为该业务分配的传输层地址信息。
其中, 所述业务^载建立响应, 为:业务^载建立响应消息, 所述响应 消息中携带业务标识, 以及主 eNodeB在 S1口为该业务分配的下行传输层 地址信息。
其中, 所述核心网和 UE之间的业务数据, 经过主 eNodeB统一调度, 由主 eNodeB和协作 eNodeB进行传输, 包括:
上行方向上, 主 eNodeB和协作 eNodeB收到 UE发送的业务数据, 协 作 eNodeB将收到的业务数据向主 eNodeB针对主 eNodeB在 X2口为该业 务分配的地址发送,再由主 eNodeB将接收到的业务数据向核心网针对业务 分配的上行地址发送; 下行方向上, 核心网会将下行业务数据按照主 eNodeB针对业务分配的下行地址发送给主 eNodeB,主 eNodeB将这些业务 数据进行分配, 然后分别按照各协作 eNodeB在 X2口为该业务分配的地址 发送给各协作 eNodeB, 最后在主 eNodeB的统一调度下, 主 eNodeB和协 作 eNodeB将业务数据发送给 UE。
本发明还提供了一种基于多点协作的集中式有线口数据传输系统, 所 述系统,包括: 主 eNodeB和一个或多个协作 eNodeB , 以及核心网, 其中, 所述主 eNodeB, 用于通过有线口 X2与一个或多个协作 eNodeB进行 交互建立业务承载, 通过有线口 S1接收核心网发送的业务承载建立消息, 进行业务承载的建立, 并向核心网返回业务承载建立响应, 统一调度核心 网和 UE之间的业务数据, 使所述业务数据由主 eNodeB和协作 eNodeB协 作进行传输;
所述核心网,用于通过有线口 S1向主 eNodeB发起业务承载建立请求, 接收主 eNodeB返回的业务 载建立响应, 完成业务 载建立。
其中, 所述核心网发送的业务承载建立请求, 为: 业务承载建立请求 消息, 所述消息中携带需要建立的业务信息, 以及核心网在 S1口为该业务 分配的上行传输层地址信息。
其中, 所述主 eNodeB通过有线口 X2与一个或多个协作 eNodeB进行 交互, 建立业务^载, 包括:
主 eNodeB通过有线口 X2向协作 eNodeB发送业务承载建立请求消息, 所述建立请求消息中携带业务信息, 以及主 eNodeB在 X2口为该业务分配 的传输层地址信息; 协作 eNodeB通过有线口 X2回应业务承载建立响应消 息给主 eNodeB , 所述响应消息中携带业务标识, 以及协作 eNodeB在 X2 口为该业务分配的传输层下行地址信息。
其中, 所述主 eNodeB向核心网返回的业务承载建立响应, 为: 业务承 载建立响应消息, 所述响应消息中携带业务标识, 以及主 eNodeB在 S1 口 为该业务分配的下行传输层地址信息。
其中, 所述主 eNodeB统一调度核心网和 UE之间的业务数据, 使所述 业务数据由主 eNodeB和协作 eNodeB进行传输, 包括:
上行方向上, 主 eNodeB和协作 eNodeB收到 UE发送的业务数据, 协 作 eNodeB将收到的业务数据向主 eNodeB针对主 eNodeB在 X2口为该业 务分配的地址发送,再由主 eNodeB将接收到的业务数据向核心网针对业务 分配的上行地址发送; 下行方向上, 核心网会将下行业务数据按照主 eNodeB针对业务分配的下行地址发送给主 eNodeB ,主 eNodeB将这些业务 数据进行分配, 然后分别按照各协作 eNodeB在 X2口为该业务分配的地址 发送给各协作 eNodeB , 最后在主 eNodeB的统一调度下, 主 eNodeB和协 作 eNodeB将业务数据发送给 UE。
本发明所提供的基于多点协作的集中式有线口数据传输方法及系统, 核心网通过有线口 S1向主 eNodeB发起业务承载建立请求; 主 eNodeB通 过有线口 X2 与一个或多个协作 eNodeB 进行交互, 建立业务 载; 主 eNodeB通过有线口 S 1向核心网返回业务^载建立响应, 完成业务^载建 立;核心网和 UE之间的业务数据,经过主 eNodeB统一调度, 由主 eNodeB 和协作 eNodeB进行传输。 能够实现在 LTE— A系统中引入 CoMP传输技术 后, 涉及到多个 eNodeB的业务通道的建立和数据传输。 附图说明
图 1为本发明 LTE— A系统中引入多点协作技术后系统的结构示意图; 图 2 为本发明一种基于多点协作的集中式有线口数据传输方法流程示 意图;
图 3 为本发明一种基于多点协作的集中式有线口数据传输系统结构示 意图。 具体实施方式
为了更好的理解本发明, 首先介绍一下 LTE— A系统中引入多点协作技 术后的系统结构。 图 1为本发明 LTE— A系统中引入多点协作技术后系统的 结构示意图,如图 1所示,所述系统包括: UEll、MME/SGW12、主 eNodeB13、 协作 eNodeB 14和协作 eNodeB15。 UEl l和三个 eNodeB之间均具备无线口 XI , 主 eNodeB13、 协作 eNodeB 14和协作 eNodeB 15之间具备有线口 X2 , 核心网 MME/SGW12通过有线口 S1和主 eNodeB 13进行通信。
本发明的基本思想是核心网通过有线口 S1向主 eNodeB发起业务承载 建立请求;主 eNodeB通过有线口 X2与一个或多个协作 eNodeB进行交互, 建立业务承载;主 eNodeB通过有线口 S1向核心网返回业务承载建立响应, 完成业务承载建立; 核心网和 UE之间的业务数据, 经过主 eNodeB统一调 度, 由主 eNodeB和协作 eNodeB进行传输。
下面结合附图和具体实施例对本发明的技术方案进一步详细阐述。 图 1 为本发明一种基于多点协作的集中式有线口数据传输方法流程示 意图, 如图 2所示, 所述方法包括以下步驟:
步驟 201 ,核心网通过有线口 S1向主 eNodeB发起业务承载建立请求; 具体的,核心网 MME/SGW通过有线口 S1向主 eNodeB发送业务 载 建立请求消息, 所述消息中携带需要建立的业务信息, 以及 SGW在 S1 口 为该业务分配的上行传输层地址信息。
步驟 202, 主 eNodeB通过有线口 X2与一个或多个协作 eNodeB进行 交互, 建立业务承载; 具体的, 主 eNodeB通过有线口 X2向协作 eNodeB发送 CoMP业务承 载建立请求消息, 所述建立请求消息中携带需要建立的业务信息, 以及主 eNodeB在 X2 口为该业务分配的传输层地址信息; 协作 eNodeB通过有线 口 X2回应 CoMP业务承载建立响应消息给主 eNodeB , 所述响应消息中携 带业务标识, 以及协作 eNodeB在 X2口为该业务分配的传输层下行地址信 步驟 203 , 主 eNodeB通过有线口 S1向核心网返回业务承载建立响应, 完成业务承载建立;
具体的, 主 eNodeB通过有线口 S1向核心网返回业务 载建立响应消 息, 所述响应消息中携带业务标识, 以及主 eNodeB在 S1 口为该业务分配 的下行传输层地址信息。
步驟 204, 核心网和 UE之间的业务数据, 经过主 eNodeB统一调度, 由主 eNodeB和协作 eNodeB进行传输。
具体的, 上行方向上, 主 eNodeB和协作 eNodeB收到 UE发送业务数 据, 协作 eNodeB将收到的业务数据向主 eNodeB针对主 eNodeB在 X2口 为该业务分配的地址发送, 再由主 eNodeB将接收到的业务数据向 SGW针 对业务分配的上行地址发送。 下行方向上, SGW会将下行业务数据按照主 eNodeB针对业务分配的下行地址发送给主 eNodeB,主 eNodeB将这些业务 数据进行分配, 然后分别按照各协作 eNodeB在 X2口为该业务分配的地址 发送给各协作 eNodeB, 最后在主 eNodeB的统一调度下, 主 eNodeB和协 作 eNodeB将业务数据发送给 UE。
图 3 为本发明一种基于多点协作的集中式有线口数据传输系统结构示 意图, 如图 3 所示, 所述系统包括: 主 eNodeB31 和一个或多个协作 eNodeB32, 以及核心网 33; 其中,
所述主 eNodeB31 , 用于通过有线口 X2与一个或多个协作 eNodeB32 进行交互建立业务承载, 通过有线口 S1接收核心网 33发送的业务承载建 立消息, 进行业务承载的建立, 并向核心网 33返回业务承载建立响应, 统 一调度核心网 33 和 UE之间的业务数据, 使其由主 eNodeB31 和协作 eNodeB32进行传输;
具体的, 主 eNodeB31通过有线口 X2向协作 eNodeB32发送 CoMP业 务承载建立请求消息, 所述建立请求消息中携带需要建立的业务信息, 以 及主 eNodeB在 X2口为该业务分配的传输层地址信息; 协作 eNodeB32通 过有线口 X2回应 CoMP业务 7|载建立响应消息给主 eNodeB31 , 所述响应 消息中携带业务标识, 以及协作 eNodeB在 X2口为该业务分配的传输层下 行地址信息。
主 eNodeB31通过有线口 S1向核心网 33返回业务承载建立响应消息, 所述响应消息中携带业务标识, 以及主 eNodeB31在 S1 口为该业务分配的 下行传输层地址信息。
所述主 eNodeB31统一调度核心网 33和 UE之间的业务数据, 使其由 主 eNodeB31 和协作 eNodeB32 进行传输, 具体包括: 上行方向上, 主 eNodeB31和协作 eNodeB32收到 UE发送的业务数据, 协作 eNodeB32将 收到的业务数据向主 eNodeB31针对主 eNodeB31在 X2口为该业务分配的 地址发送, 再由主 eNodeB31将接收到的业务数据向 SGW针对业务分配的 上行地址发送。 下行方向上, SGW会将下行业务数据按照主 eNodeB31针 对业务分配的下行地址发送给主 eNodeB31 , 主 eNodeB31将这些业务数据 进行分配, 然后分别按照各协作 eNodeB32在 X2口为该业务分配的地址发 送给各协作 eNodeB32 , 最后在主 eNodeB31的统一调度下, 主 eNodeB和 协作 eNodeB将业务数据发送给 UE。
所述核心网 33 , 用于通过有线口 S1向主 eNodeB31发起业务承载建立 请求, 接收主 eNodeB31返回的业务承载建立响应, 完成业务承载建立。 具体的, 核心网 33中的 MME/SGW通过有线口 S1向主 eNodeB31发 送业务承载建立请求消息,所述消息中携带需要建立的业务信息,以及 SGW 在 S1口为该业务分配的上行传输层地址信息。
以上所述, 仅为本发明的较佳实施例而已, 并非用于限定本发明的保 护范围。

Claims

权利要求书
1、 一种基于多点协作的集中式有线口数据传输方法, 其特征在于, 所 述方法, 包括:
核心网通过有线口 S1向主演进型基站(eNodeB )发起业务承载建立请 求;
主 eNodeB通过有线口 X2与一个或多个协作 eNodeB进行交互, 建立 业务承载;
主 eNodeB通过有线口 S1向核心网返回业务承载建立响应, 完成业务 承载建立;
核心网和用户设备 ( UE )之间的业务数据, 经过主 eNodeB统一调度, 由主 eNodeB和协作 eNodeB进行传输。
2、根据权利要求 1所述的方法, 其特征在于, 所述业务承载建立请求, 为: 业务承载建立请求消息, 所述消息中携带需要建立的业务信息, 以及 核心网在 S1口为该业务分配的上行传输层地址信息。
3、 根据权利要求 1或 2所述的方法, 其特征在于, 所述主 eNodeB通 过有线口 X2与一个或多个协作 eNodeB进行交互, 建立业务承载, 包括: 主 eNodeB通过有线口 X2向协作 eNodeB发送业务承载建立请求消息, 所述建立请求消息中携带业务信息, 以及主 eNodeB在 X2口为该业务分配 的传输层地址信息; 协作 eNodeB通过有线口 X2回应业务承载建立响应消 息给主 eNodeB, 所述响应消息中携带业务标识, 以及协作 eNodeB在 X2 口为该业务分配的传输层地址信息。
4、 根据权利要求 1或 2所述的方法, 其特征在于, 所述业务承载建立 响应, 为: 业务承载建立响应消息, 所述响应消息中携带业务标识, 以及 主 eNodeB在 SI口为该业务分配的下行传输层地址信息。
5、 根据权利要求 1或 2所述的方法, 其特征在于, 所述核心网和 UE 之间的业务数据, 经过主 eNodeB统一调度, 由主 eNodeB和协作 eNodeB 进行传输, 包括:
上行方向上, 主 eNodeB和协作 eNodeB收到 UE发送的业务数据, 协 作 eNodeB将收到的业务数据向主 eNodeB针对主 eNodeB在 X2口为该业 务分配的地址发送,再由主 eNodeB将接收到的业务数据向核心网针对业务 分配的上行地址发送;
下行方向上,核心网会将下行业务数据按照主 eNodeB针对业务分配的 下行地址发送给主 eNodeB, 主 eNodeB将这些业务数据进行分配, 然后分 别按照各协作 eNodeB在 X2口为该业务分配的地址发送给各协作 eNodeB, 最后在主 eNodeB的统一调度下, 主 eNodeB和协作 eNodeB将业务数据发 送给 UE。
6、 一种基于多点协作的集中式有线口数据传输系统, 其特征在于, 所 述系统, 包括: 主 eNodeB和一个或多个协作 eNodeB, 以及核心网; 其中, 所述主 eNodeB, 用于通过有线口 X2与一个或多个协作 eNodeB进行 交互建立业务承载, 通过有线口 S1接收核心网发送的业务承载建立消息, 进行业务承载的建立, 并向核心网返回业务承载建立响应, 统一调度核心 网和 UE之间的业务数据, 使所述业务数据由主 eNodeB和协作 eNodeB协 作进行传输;
所述核心网,用于通过有线口 S1向主 eNodeB发起业务承载建立请求, 接收主 eNodeB返回的业务 载建立响应, 完成业务 载建立。
7、 根据权利要求 6所述的系统, 其特征在于, 所述核心网发送的业务 承载建立请求, 为: 业务承载建立请求消息, 所述消息中携带需要建立的 业务信息, 以及核心网在 S1口为该业务分配的上行传输层地址信息。
8、 根据权利要求 6或 7所述的系统, 其特征在于, 所述主 eNodeB通 过有线口 X2与一个或多个协作 eNodeB进行交互, 建立业务承载, 包括: 主 eNodeB通过有线口 X2向协作 eNodeB发送业务承载建立请求消息, 所述建立请求消息中携带业务信息, 以及主 eNodeB在 X2口为该业务分配 的传输层地址信息; 协作 eNodeB通过有线口 X2回应业务承载建立响应消 息给主 eNodeB, 所述响应消息中携带业务标识, 以及协作 eNodeB在 X2 口为该业务分配的传输层下行地址信息。
9、 根据权利要求 6或 7所述的系统, 其特征在于, 所述主 eNodeB向 核心网返回的业务承载建立响应, 为: 业务承载建立响应消息, 所述响应 消息中携带业务标识, 以及主 eNodeB在 S1 口为该业务分配的下行传输层 地址信息。
10、 根据权利要求 6或 7所述的系统, 其特征在于, 所述主 eNodeB统 一调度核心网和 UE之间的业务数据,使所述业务数据由主 eNodeB和协作 eNodeB进行传输, 包括:
上行方向上, 主 eNodeB和协作 eNodeB收到 UE发送的业务数据, 协 作 eNodeB将收到的业务数据向主 eNodeB针对主 eNodeB在 X2口为该业 务分配的地址发送,再由主 eNodeB将接收到的业务数据向核心网针对业务 分配的上行地址发送;
下行方向上,核心网会将下行业务数据按照主 eNodeB针对业务分配的 下行地址发送给主 eNodeB, 主 eNodeB将这些业务数据进行分配, 然后分 别按照各协作 eNodeB在 X2口为该业务分配的地址发送给各协作 eNodeB, 最后在主 eNodeB的统一调度下, 主 eNodeB和协作 eNodeB将业务数据发 送给 UE。
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