WO2011029345A1 - 一种基站自动发现方法及系统 - Google Patents

一种基站自动发现方法及系统 Download PDF

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Publication number
WO2011029345A1
WO2011029345A1 PCT/CN2010/075028 CN2010075028W WO2011029345A1 WO 2011029345 A1 WO2011029345 A1 WO 2011029345A1 CN 2010075028 W CN2010075028 W CN 2010075028W WO 2011029345 A1 WO2011029345 A1 WO 2011029345A1
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WIPO (PCT)
Prior art keywords
base station
configuration
network management
management unit
communication link
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PCT/CN2010/075028
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English (en)
French (fr)
Inventor
罗亚军
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中兴通讯股份有限公司
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Publication of WO2011029345A1 publication Critical patent/WO2011029345A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0803—Configuration setting
    • H04L41/0806—Configuration setting for initial configuration or provisioning, e.g. plug-and-play
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0876—Aspects of the degree of configuration automation
    • H04L41/0886—Fully automatic configuration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/34—Network arrangements or protocols for supporting network services or applications involving the movement of software or configuration parameters 
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/51—Discovery or management thereof, e.g. service location protocol [SLP] or web services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/04—Large scale networks; Deep hierarchical networks
    • H04W84/042—Public Land Mobile systems, e.g. cellular systems
    • H04W84/045—Public Land Mobile systems, e.g. cellular systems using private Base Stations, e.g. femto Base Stations, home Node B
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices

Definitions

  • the present invention relates to a self-organizing network technology in a mobile communication technology, and in particular to a base station automatic discovery method and system in an ad hoc network. Background technique
  • LTE Long Term Evolution
  • eNBs evolved base stations
  • Evolved Node B evolved Node B
  • the eNB if the traditional manual maintenance method is adopted, the workload of installation, configuration, and maintenance will be very large, and the cost incurred will be high.
  • the operator now pays more and more attention to the cost of operation and maintenance, so the operator
  • the concept of self-organizing network (SON, Self Organizing Network) is proposed.
  • the so-called self-organizing network is a mobile communication network that can provide automatic installation, configuration, and maintenance functions, and reduce the amount of manual maintenance work, thereby greatly reducing the operating costs of operators.
  • the eNB enters normal operation after being powered on.
  • the traditional processing method is to complete the following configuration work:
  • the local maintenance terminal is connected to the eNB, and the network protocol (IP, Internet Protocol) address, the subnet mask, the gateway IP, and the IP address of the background network management system of the eNB are configured.
  • IP Internet Protocol
  • the background network management refers to a network management unit of a network to which the eNB belongs.
  • the configuration of the LMT needs to be consistent with the configuration of the background network management system.
  • the background network management system can initiate a link establishment request to the eNB. After the link establishment is successful, the eNB can obtain further data and information and start normal operation. It can be seen that to meet the maintenance requirements of the SON, the eNB needs to automatically discover the configuration parameters such as the IP address of the network controller and the background network device, and then inform the background network management to automatically establish a communication link between the eNB and the background network management system.
  • the eNB there is no technical solution for realizing automatic discovery of the eNB. Therefore, the unified configuration between the LMT and the background network management can only be done manually.
  • the main object of the present invention is to provide a method and system for automatically detecting a base station, which can support automatic discovery of a base station, and then complete automatic link establishment after power-on of the base station, thereby reducing operation and maintenance costs.
  • An automatic base station discovery method where a configuration server is deployed in a network; the method further includes: after the base station is powered on, sending a request message to the configuration server, requesting to acquire related configuration parameters; and the configuration server returns the configuration parameter to the base station ;
  • the base station and the network management unit complete the establishment of the communication link.
  • the establishing of the communication link between the base station and the network management unit is specifically: the base station sends a communication link establishment request to the network management unit according to the configuration parameter returned by the configuration server, and completes establishment of the communication link.
  • the method further includes: the configuration server sending a notification message configured by the base station to the network management unit, and sending the configuration parameter to the network management unit;
  • the establishing of the communication link between the base station and the network management unit is specifically: after receiving the notification message, the network management unit initiates a communication link establishment request to the base station, and completes establishment of the communication link.
  • the method further includes: The establishing of the communication link between the base station and the network management unit is specifically: after receiving the configuration parameter, the network management unit initiates a communication link establishment request to the base station to complete establishment of the communication link.
  • the configuration parameters include: a base station IP address, a subnet mask, a gateway IP address, and a network management unit IP address.
  • the configuration server is a dynamic host configuration protocol server, or is a separately customized server; the configuration server is deployed as a separate network device on the network side, or as a logical module in an existing device on the network side.
  • the method further includes: setting a self-discovery processing unit in the base station;
  • the sending of the request message to the configuration server, receiving the configuration parameters returned by the configuration server, and completing the establishment of the communication link with the network management unit are performed by the self-discovery processing unit.
  • An automatic base station discovery system comprising: a network management unit, a configuration server, and one or more base stations; the network management unit and the base station, the configuration server and the base station, the network management unit, and the configuration server are all interconnected by a transmission network; among them,
  • the configuration server is responsible for managing and maintaining configuration parameters of all base stations, and assigning relevant configuration parameters to the base station in response to the request of the base station;
  • the network management unit is configured to complete establishment of a communication link with the base station
  • the base station is internally configured with a self-discovery processing unit, configured to send a request message to the configuration server to request related configuration parameters after the base station is powered on, and configured to receive the configuration parameter returned by the message configuration server. And completing establishment of a communication link with the network management unit according to the configuration parameter.
  • the base station is further configured to initiate a communication link establishment request to the network management unit.
  • the network management unit is further configured to receive a communication chain sent by the base station.
  • the path establishment request completes the establishment of the communication link with the base station.
  • the configuration server is further configured to: after the base station receives the configuration parameter and complete the configuration of the configuration parameter, notify the network management unit that the base station has been configured, and send the configuration parameter to the network management.
  • the network management unit is further configured to: after receiving the configuration server to notify the base station that the message has been configured, initiate a communication link establishment request to the base station, and complete establishment of the communication link with the base station.
  • the base station is further configured to send configuration parameters sent by the received configuration server to the network management unit;
  • the network management unit is further configured to: after receiving the configuration parameter sent by the base station, initiate a communication link establishment request to the base station, and complete the establishment of the communication link together with the base station.
  • the configuration server is a dynamic host configuration protocol server, or is a separately customized server; the configuration server is deployed as a separate network device on the network side, or as a logical module in an existing device on the network side.
  • the configuration parameters include: a base station IP address, a subnet mask, a gateway IP address, and a network management unit IP address.
  • the base station automatic discovery method and system provided by the present invention deploys a configuration server for automatically allocating configuration information in an existing network; after the base station is powered on, the base station first requests configuration parameters from the deployed configuration server, and then, the base station and the background
  • the communication link is automatically established between the network management units according to the configuration parameters.
  • the automatic establishment of the base station power-on and the function of the network management can be realized without changing the existing network structure, and the base station and the network management unit cannot automatically discover and automatically build the link in the prior art.
  • the problem is; simplifies the initial configuration process of the base station, reduces the operation and maintenance cost of the operator, and ensures that the requirements of the SON network are met.
  • FIG. 1 is a schematic structural diagram of a base station automatic discovery system according to the present invention.
  • FIG. 2 is a schematic flowchart of an implementation process of an automatic base station discovery method according to the present invention.
  • the basic idea of the present invention is: deploying a configuration server for automatically allocating configuration information in an existing network; after the base station is powered on, the base station first requests configuration parameters from the deployed configuration server, and then, the base station and the background The network management unit automatically establishes a communication link according to the configuration parameter, so that the base station automatically joins the network operation management.
  • the self-discovery processing unit is correspondingly set in the base station, and interacts with the configuration server and the network management unit to complete the automatic discovery process of the base station.
  • the configuration server is responsible for managing configuration parameters of all base stations; the configuration parameters requested by the base station are related configuration parameters required for the base station to establish a communication link with the network management unit, including but not limited to: base station IP address, Subnet mask, gateway IP address, and network management unit IP address, etc.
  • base station IP address is simply referred to as the base station IP
  • gateway IP address is simply referred to as the gateway IP
  • network management unit IP address is simply referred to as the network management IP.
  • the configuration server may use a Dynamic Host Configuration Protocol (DHCP) server or a separately customized server, as long as the configuration server has the function of managing and maintaining all base station configuration parameters, and can respond to the base station. Just get a request for configuration parameters.
  • DHCP Dynamic Host Configuration Protocol
  • the configuration server can be deployed as a separate network device on the network side, or can be set as a logic module in an existing device on the network side, for example, as a logic module in the network management unit.
  • the first one is: after the base station acquires configuration parameters required for establishing a communication link with the network management unit, the base station obtains the configuration parameters according to the acquired configuration parameters. Initiating a communication link establishment request to the network management unit to complete the establishment of the communication link; secondly, the configuration server sends a message to the network management unit to notify the base station that the configuration parameter requested by the base station is sent to the base station.
  • the configuration parameters are configured, and the configuration information allocated to the base station is notified to the network management unit, and then the network management unit initiates a link establishment request to the base station to complete establishment of the communication link; and third, the base station requests Go to the place
  • the base station sends a message to the network management unit to notify its own configured parameter information, and then the network management unit initiates a link establishment request to the base station to complete the establishment of the communication link.
  • how to complete the communication link establishment is a prior art, and details are not
  • the base station automatic discovery system of the present invention includes a network management unit, a configuration server, a transmission network, and one or more base stations, and the network management unit, the configuration server, and the base stations are interconnected by a transmission network;
  • the configuration server is configured to manage and maintain configuration parameters of all base stations, and allocate relevant configuration parameters to the base station in response to the request message of the base station;
  • the configuration server is further configured to notify the network management unit that the base station has been configured after the configuration parameter is successfully allocated to the base station, and send the configuration parameter to the network management unit.
  • a network management unit configured to complete establishment of a communication link with the base station
  • the network management unit receives the communication link establishment request sent by the base station, and completes the establishment of the communication link together with the base station; or, after receiving the configuration server, the network management unit notifies the base station that the message has been configured,
  • the base station initiates a communication link establishment request, and completes the establishment of the communication link with the base station; or the network management unit receives the configuration parameter sent by the base station, initiates a communication link establishment request to the base station, and completes the communication link with the base station. set up.
  • the base station is internally provided with a self-discovery processing unit (not shown), and the self-discovery processing unit is configured to actively send a request to the configuration server after the base station is powered on, request relevant configuration parameters, and receive configuration parameters returned by the configuration server, and Establishing a communication link with the network management unit according to the configuration parameter;
  • the completing the establishment of the communication link with the network management unit according to the configuration parameter may be that the base station actively initiates a communication link establishment request to the network management unit according to the configuration parameter to complete the establishment of the communication link; or may be received by the base station.
  • the configuration parameter is sent to the network management unit, and receives a communication link establishment request initiated by the network management unit to itself to complete the establishment of the communication link; or the base station receives the communication link establishment request initiated by the network management unit to itself, and completes the connection.
  • the establishment of the link in this case, the configuration parameters are sent directly to the network management unit by the configuration server.
  • the base station generally refers to various base stations in a wireless communication system, and may be a base station in 2G or 3G, or may be an eNB in an LTE system.
  • the configuration parameter is mainly used to establish parameters required for the communication link between the base station and the network management unit, including: base station IP, subnet mask, gateway IP, and network management IP.
  • the base station automatic discovery method of the present invention is as shown in FIG. 2, and includes the following steps:
  • Step 200 Deploy the configuration server in the network
  • the configuration server can set configuration parameters for each base station to be put into operation according to the planning requirement; the configuration parameters at least include: base station IP, subnet mask, gateway IP, and network management IP information;
  • Step 201 After the base station is powered on, send a request message to the configuration server, requesting to obtain related configuration parameters.
  • the request message carries a base station identifier.
  • Step 202 The configuration server returns configuration parameters to the base station according to the request message of the base station, where the configuration parameter includes at least information such as the base station IP, the subnet mask, the gateway IP, and the network management IP.
  • Step 203 base station according to the allocated configuration parameter. Establishing a communication link between the two with the network management unit;
  • the process of completing the establishment of the communication link may be initiated by the base station or may be initiated by the network management unit.
  • the network management unit can receive configuration parameters allocated by the configuration server for the base station; and can also receive configuration parameters allocated by the base station for it.
  • the step 202 further includes: the configuration server sending the base station configured notification message to the network management unit, and transmitting the configuration parameter of the corresponding base station to the network management unit; correspondingly, the network management unit receives the notification After the message, a communication link setup request is initiated to the base station.
  • the step 202 further includes: after receiving the configuration parameter sent by the configuration server, the base station sends a message to the network management unit, and notifies the network management unit to configure the configuration parameter that the server allocates to itself; correspondingly, the network management unit receives the configuration parameter. After that, a communication link establishment request is initiated to the base station.
  • the method may further include: setting a self-discovery processing unit in the base station, configured to send a request to the configuration server, receive configuration parameters returned by the configuration server, and interact with the network management unit to complete establishment of the communication link.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • the configuration server is a DHCP server that is separately set in the network, and the base station interacts with the DHCP server through the DHCP protocol, and acquires configuration parameters required by the base station from the DHCP server.
  • the base station initiates the establishment of the communication link. request. Then, the base station automatic discovery process in this embodiment specifically includes the following steps:
  • Step 11 Set a self-discovery processing unit that initiates a request to the DHCP server in the base station.
  • the base station presets an initial version before leaving the factory, and has the function of a DHCP client, and can initiate a DHCP request to request configuration parameters from the DHCP server.
  • the configuration parameters should include the base station IP, subnet mask, gateway IP, and network management IP.
  • the related parameters are specified by the options provided by the DHCP server.
  • Step 12 After the base station is powered on, initiate a DHCP request and request configuration parameters from the DHCP server.
  • Step 13 After receiving the DHCP request from the base station, the DHCP server allocates configuration parameters such as an IP address, a subnet mask, a gateway IP, and a network management IP to the base station.
  • configuration parameters such as an IP address, a subnet mask, a gateway IP, and a network management IP to the base station.
  • Step 14 After receiving the required configuration parameters, the base station configures its own IP, subnet mask, gateway IP, and network management IP, and initiates a communication link establishment request to the network management unit according to the received configuration parameters, completing the communication chain. The establishment of the road. Further, the network management unit delivers the relevant configuration information to the base station and loads the relevant software version of the board. After receiving the base station, the base station completes the process of automatically joining the network and puts into operation.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • the configuration server is a DHCP server that is separately set in the network, and the base station interacts with the DHCP server through the DHCP protocol to obtain configuration parameters required by the base station from the DHCP server.
  • the network management unit initiates the communication chain. Road establishment request. Then, the automatic discovery process of the base station in this embodiment specifically includes the following steps:
  • Step 21 Set a self-discovery processing unit that initiates a request to the DHCP server in the base station.
  • the base station presets an initial version before leaving the factory, and has the function of a DHCP client, and can initiate a DHCP request to request configuration parameters from the DHCP server.
  • the configuration parameters should include the base station IP, subnet mask, gateway IP, and network management IP.
  • the related parameters are specified by the options provided by the DHCP server.
  • Step 22 After the base station is powered on, initiate a DHCP request, and request configuration parameters from the DHCP server.
  • Step 23 After receiving the DHCP request from the base station, the DHCP server allocates configuration parameters such as the base station IP, the subnet mask, the gateway IP, and the network management IP to the base station.
  • Step 24 After receiving the required configuration parameters, the base station configures its own IP, subnet mask, gateway IP, and network management IP to complete local configuration.
  • Step 25 After completing the configuration, the base station broadcasts a Trap message to the network management unit, and notifies the network management unit of relevant configuration parameters, including configuration parameters such as the base station IP, the subnet mask, the gateway IP, and the network management IP.
  • Step 26 The network management unit initiates a communication link establishment request with the base station according to the received configuration parameter, and completes establishment of the communication link.
  • the network management unit delivers the relevant configuration information to the base station and loads the relevant software version of the board. After receiving the base station, the base station completes the process of automatically joining the network and puts into operation.
  • the DHCP server is not deployed in the network, and the configuration server is a separately customized server.
  • the customized server has a configuration function for configuring parameters of the base station, and can allocate relevant configurations for each base station to be put into operation according to network planning.
  • the parameter includes at least a base station IP, a subnet mask, a gateway IP, and a network management IP, and the like; and, the customized server is capable of responding to a request message for requesting configuration parameters of the base station, and the base station interacts by using a specific protocol or a specific message negotiated by the two parties in advance.
  • the configuration parameters required by the base station are obtained from the custom server.
  • the base station actively initiates a communication link establishment request.
  • the automatic discovery process of the base station in this embodiment specifically includes the following steps:
  • Step 31 Set a self-discovery processing unit that initiates a request to the customized server in the base station.
  • the base station presets an initial version before leaving the factory, and has a function of sending a request configuration parameter request to the customized server, and the related configuration parameter should include the base station. IP, subnet mask, gateway IP, and network management IP.
  • the related parameters are specified by the options provided by the customized server.
  • Step 33 Customize After receiving the request from the base station, the server allocates configuration parameters such as an IP address, a subnet mask, a gateway IP, and a network management IP to the base station;
  • Step 34 After receiving the required configuration parameters, the base station configures its own IP, subnet mask, gateway IP, and network management IP, and initiates a communication link establishment request to the network management unit according to the received configuration parameters, completing the communication chain. The establishment of the road.
  • the network management unit delivers the relevant configuration information to the base station and loads the relevant software version of the board. After receiving the base station, the base station completes the process of automatically joining the network and puts into operation.
  • Embodiment 4 is a diagrammatic representation of Embodiment 4:
  • the DHCP server is not deployed in the network, and the configuration server is a separately customized server.
  • the customized server has a configuration function for configuring parameters of the base station, and can allocate relevant configurations for each base station to be put into operation according to network planning. Parameter, including at least a base station IP, subnet mask, gateway IP, and network management IP, etc.; and, the customized server can respond to the request message of the base station requesting configuration parameters, and the base station interacts with the specific protocol or specific message negotiated by both parties, from the customized server. Obtain the configuration parameters required by the base station.
  • the customized server sends a Trap message to notify the network management unit that the base station has been configured.
  • the network management unit actively initiates a communication link establishment request.
  • the automatic discovery process of the base station in this embodiment specifically includes the following steps:
  • Step 41 Set a self-discovery processing unit that initiates a request to the customized server in the base station.
  • the base station presets an initial version before leaving the factory, and has a function of sending a request configuration parameter request to the customized server, and the related configuration parameters should include the base station.
  • Step 42 After the base station is powered on, the request is first sent, and the configuration parameters are requested from the customized server;
  • Step 44 After receiving the required configuration parameters, the base station configures its own IP, subnet mask, gateway IP, and network management IP to complete local configuration.
  • Step 45 After completing the configuration, the base station broadcasts a Trap message to the network management unit, and notifies the network management unit of relevant configuration parameters, including configuration parameters of the base station IP, the subnet mask, the gateway IP, and the network management IP.
  • Step 46 The network management unit initiates a communication link establishment request with the base station according to the received configuration parameter, and completes establishment of the communication link.
  • the network management unit delivers the relevant configuration information to the base station and loads the relevant software version of the board. After receiving the base station, the base station completes the process of automatically joining the network and puts into operation.

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Description

一种基站自动发现方法及系统 技术领域
本发明涉及移动通信技术中的自组织网络技术， 特别涉及自组织网络 中的一种基站自动发现方法及系统。 背景技术
随着移动通信技术的迅猛发展， 第三代移动通信系统已发展到长期演 进（ LTE, Long Term Evolution ) 阶段， 在 LTE系统中， 演进基站（ eNB, Evolved Node B )的数量会很多， 对于众多的 eNB, 如果采用传统的人工维 护方法， 安装、 配置、 维护的工作量将会非常大， 所产生的成本也会很高， 而运营商现在对运营维护的成本越来越重视， 所以运营商提出了自组织网 络（SON, Self Organizing Network )的概念。 所谓自组织网络， 就是一个 可以提供自动安装、 配置、 维护功能， 减少人工维护工作量， 从而能极大 降低运营商运营成本的移动通信网络。
目前， eNB 上电后进入正常工作， 传统的处理方式是先完成以下配置 工作：
首先， 通过本地操作维护终端（LMT, Local Maintenance Terminal )连 接到 eNB, 配置好 eNB的网络协议 ( IP, Internet Protocol )地址、 子网掩 码、 网关 IP以及后台网管的 IP地址等；
其次， 再在后台网管上配置好自身的 IP地址、 eNB的 IP地址、 子网掩 码以及网关 IP等。这里，所述后台网管是指 eNB所属网络的网络管理单元。
上述 LMT的配置需要与后台网管的配置保持一致， 这样， 后台网管才 能发起向 eNB的建链请求； 建链成功后， eNB才能获取进一步的数据和信 息， 开始正常工作。 可见， 要满足 SON的维护需求， eNB需要自动发现自身和后台网管的 IP地址等配置参数， 之后告知后台网管， 自动建立 eNB与后台网管的通信 链路。但是， 目前在 SON中，还没有能实现 eNB自动发现的技术方案提供， 因此， LMT与后台网管之间配置的统一只能靠人工来完成。
对于第二代 （2G , 2nd Generation ) 移动通信和第三代 （3G , 3rd Generation )移动通信中的基站， 也同样存在类似的问题。 发明内容
有鉴于此， 本发明的主要目的在于提供一种基站自动发现方法及系统， 能支持基站的自动发现， 进而完成基站上电后的自动建链， 降低运营维护 成本。
为达到上述目的， 本发明的技术方案是这样实现的：
一种基站自动发现方法， 在网络中部署配置服务器； 该方法还包括： 基站上电后向所述配置服务器发请求消息， 请求获取相关的配置参数； 所述配置服务器向基站返回所述配置参数；
根据所述配置参数， 基站与网络管理单元完成通信链路的建立。
所述基站与网络管理单元完成通信链路的建立具体为： 基站根据所述 配置服务器返回的配置参数， 向网络管理单元发送通信链路建立请求， 完 成通信链路的建立。
基站收到所述配置参数、 且完成所述配置参数的配置之后， 该方法进 一步包括： 配置服务器向网络管理单元发送基站配置好的通知消息， 并将 所述配置参数发送给网络管理单元；
所述基站与网络管理单元完成通信链路的建立具体为： 网络管理单元 收到所述通知消息后， 向基站发起通信链路建立请求， 完成通信链路的建 立。
基站收到所述配置服务器返回的配置参数后， 该方法进一步包括： 基 所述基站与网络管理单元完成通信链路的建立具体为： 网络管理单元 收到所述配置参数后， 向基站发起通信链路建立请求， 完成通信链路的建 立。
所述配置参数包括： 基站 IP地址、 子网掩码、 网关 IP地址、 和网络管 理单元 IP地址。
所述配置服务器为动态主机配置协议服务器， 或为单独定制的服务器； 所述配置服务器作为独立的网络设备部署在网络侧， 或作为逻辑模块 设置在网络侧的已有设备中。
该方法进一步包括： 在基站中设置自发现处理单元；
所述向配置服务器发送请求消息、 接收配置服务器返回的配置参数、 以及与所述网络管理单元完成通信链路的建立由所述自发现处理单元完 成。
一种基站自动发现系统， 该系统包括： 网络管理单元、 配置服务器、 以及一个或多个基站， 网络管理单元与基站、 配置服务器与基站、 网络管 理单元与配置服务器之间均通过传输网络互联； 其中，
所述配置服务器， 负责管理和维护所有基站的配置参数， 并响应基站 的请求， 为基站分配相关的配置参数；
所述网络管理单元， 用于与所述基站完成通信链路的建立；
所述基站， 内部设置有自发现处理单元， 用于在所述基站上电后主动 向所述配置服务器发请求消息， 请求相关的配置参数； 还用于接收消息配 置服务器返回的所述配置参数， 并根据所述配置参数完成与所述网络管理 单元通信链路的建立。
所述基站， 进一步用于向所述网络管理单元发起通信链路建立请求； 相应的， 所述网络管理单元， 进一步用于接收所述基站发来的通信链 路建立请求， 与所述基站完成通信链路的建立。
所述配置服务器， 还用于在基站收到所述配置参数、 且完成所述配置 参数的配置之后， 通知所述网络管理单元基站已配置好， 并将所述配置参 数发送给所述网络管理单元；
相应的， 所述网络管理单元， 还用于在收到配置服务器通知基站已配 置好消息后， 向基站发起通信链路建立请求， 与基站完成通信链路的建立。
所述基站， 还用于将收到的配置服务器发来的配置参数发送给网络管 理单元；
相应的， 所述网络管理单元， 还用于在收到基站发来的配置参数后， 向基站发起通信链路建立请求， 与基站共同完成通信链路的建立。
所述配置服务器为动态主机配置协议服务器， 或为单独定制的服务器； 所述配置服务器作为独立的网络设备部署在网络侧， 或作为逻辑模块 设置在网络侧的已有设备中。
所述配置参数包括： 基站 IP地址、 子网掩码、 网关 IP地址、 和网络管 理单元 IP地址。
本发明所提供的基站自动发现方法及系统， 在现有网络中部署用于自 动分配配置信息的配置服务器； 基站上电后， 先向所部署的配置服务器请 求获取配置参数， 之后， 基站与后台的网络管理单元之间根据所述配置参 数自动建立通信链路。 如此， 可以在不改变现有网络结构的情况下， 即可 实现基站上电的自动建链并加入网络管理的功能， 解决了现有技术中基站 与网络管理单元不能自动发现、 自动建链的问题； 而且， 简化了基站初始 配置流程， 降低了运营商的运营维护成本， 保证了满足 SON网络的要求。 附图说明
图 1为本发明基站自动发现系统的组成结构示意图；
图 2为本发明基站自动发现方法的实现流程示意图。 具体实施方式 本发明的基本思想是： 在现有网络中部署用于自动分配配置信息的配 置服务器； 当基站上电后， 基站先向所部署的配置服务器请求获取配置参 数， 之后， 基站与后台的网络管理单元之间根据所述配置参数自动建立通 信链路， 从而使基站自动加入网络运营管理。
进一步的， 在基站中对应设置自发现处理单元， 与配置服务器和网络 管理单元交互， 完成基站的自动发现过程。
这里， 所述配置服务器负责管理维护所有基站的配置参数； 所述基站 请求获取的配置参数是基站与网络管理单元建立通信链路所需的相关的配 置参数， 包括但不限于： 基站 IP地址、 子网掩码、 网关 IP地址、 和网络管 理单元 IP地址等， 下文中将基站 IP地址简称为基站 IP、 网关 IP地址简称 为网关 IP、 网络管理单元 IP地址简称为网管 IP。
其中，所述的配置服务器可以采用动态主机配置协议（DHCP, Dynamic Host Configuration Protocol )服务器， 也可以采用单独定制的服务器， 只要 该配置服务器具备管理和维护所有基站配置参数的功能， 且能响应基站获 取配置参数的请求即可。 所述配置服务器可以作为一个独立的网络设备部 署在网络侧， 也可以作为一个逻辑模块设置在网络侧的已有设备中， 比如： 作为逻辑模块设置在网络管理单元中。
所述基站与网络管理单元之间建立通信链路可以有三种方式： 第一种 是， 在基站获取到与网络管理单元建立通信链路所需的配置参数后， 由基 站根据所获取的配置参数向网络管理单元发起通信链路建立请求， 完成通 信链路的建立； 第二种是， 由配置服务器在将基站所请求的配置参数发给 基站的同时， 发消息给网络管理单元通知其基站已配置好所述的配置参数， 并将分配给基站的配置信息通知给网络管理单元， 之后， 由网络管理单元 向基站发起建链请求， 完成通信链路的建立； 第三种是， 基站在请求到所 需的配置参数后， 由基站发消息给网络管理单元通知其自身已配置好的参 数信息， 之后， 由网络管理单元向基站发起建链请求， 完成通信链路的建 立。 其中， 具体如何完成通信链路建立为已有技术， 在此不再详述。
本发明的基站自动发现系统， 如图 1 所示， 包括网络管理单元、 配置 服务器、 传输网络以及一个或一个以上基站， 网络管理单元、 配置服务器 和各基站之间均通过传输网络互联； 其中，
配置服务器， 负责管理和维护所有基站的配置参数， 并响应基站的请 求消息， 为基站分配相关的配置参数；
所述配置服务器， 还用于在为基站分配配置参数成功后， 通知网络管 理单元基站已配置好， 并将配置参数发送给网络管理单元。
网络管理单元， 用于与基站共同完成通信链路的建立；
具体的， 所述网络管理单元接收基站发来的通信链路建立请求， 与基 站共同完成通信链路的建立； 或者， 所述网络管理单元在收到配置服务器 通知基站已配置好消息后， 向基站发起通信链路建立请求， 与基站共同完 成通信链路的建立； 或者， 所述网络管理单元接收基站发来的配置参数， 向基站发起通信链路建立请求， 与基站共同完成通信链路的建立。
基站， 内部设置有自发现处理单元（图中未示）， 该自发现处理单元用 于在基站上电后主动向配置服务器发请求， 请求相关的配置参数； 接收配 置服务器返回的配置参数， 并根据配置参数完成与网络管理单元通信链路 的建立；
这里， 所述根据配置参数完成与网络管理单元通信链路的建立， 可以 是基站根据配置参数主动向网络管理单元发起通信链路建立请求， 完成通 信链路的建立； 也可以是基站将接收的配置参数发送给网络管理单元， 并 接收网络管理单元向自身发起的通信链路建立请求， 完成通信链路的建立； 还可以是基站接收网络管理单元向自身发起的通信链路建立请求， 完成通 信链路的建立， 这种情况下， 配置参数是由配置服务器直接发送给网络管 理单元的。
这里， 所述基站泛指无线通信系统中的各种基站， 可以是 2G或 3G中 的基站， 也可以是 LTE系统中的 eNB。 所述配置参数主要是用于建立基站 与网络管理单元通信链路所需要的参数， 包括： 基站 IP、 子网掩码、 网关 IP、 和网管 IP等。
基于图 1所示的系统架构， 本发明的基站自动发现方法如图 2所示， 包括以下步驟：
步驟 200: 在网络中部署配置服务器；
这里， 所述配置服务器能够根据规划需求为每个即将投入运营的基站 设置配置参数； 配置参数至少包括： 基站 IP、 子网掩码、 网关 IP、 和网管 IP等信息；
步驟 201 : 基站上电后向配置服务器发请求消息，请求获取相关配置参 数； 这里， 所述请求消息中携带有基站标识；
步驟 202: 配置服务器根据基站的请求消息， 向基站返回配置参数； 其 中， 配置参数至少包含基站 IP、 子网掩码、 网关 IP、 和网管 IP等信息； 步驟 203: 根据分配的配置参数，基站与网络管理单元完成两者之间通 信链路的建立；
这里， 完成通信链路建立的过程可以是由基站主动发起， 也可以是由 网络管理单元主动发起。 当由网络管理单元发起时， 又分为两种方式， 网 络管理单元可以接收配置服务器发来的为基站分配的配置参数； 也可以接 收基站发来的为其分配的配置参数。 当从配置服务器接收配置参数时， 步 驟 202进一步包括： 配置服务器向网络管理单元发送基站配置好的通知消 息， 并将相应基站的配置参数发送给网络管理单元； 相应的， 网络管理单 元收到通知消息后， 会向基站发起通信链路建立请求。 当从基站接收配置 参数时， 步驟 202进一步包括： 基站收到配置服务器发来的配置参数后， 向网络管理单元发送消息， 通知网络管理单元配置服务器分配给自身的配 置参数； 相应的， 网络管理单元收到配置参数后， 会向基站发起通信链路 建立请求。
该方法可进一步包括： 在基站中设置自发现处理单元， 用于向配置服 务器发送请求、 接收配置服务器返回的配置参数、 与网络管理单元交互完 成通信链路的建立。
下面结合具体实施例对本发明的实现进一步详细说明。
实施例一：
本实施例中， 所述配置服务器是网络中单独设置的 DHCP服务器， 基 站通过 DHCP协议与 DHCP服务器进行交互， 从 DHCP服务器获取基站所 需的配置参数； 本实施例由基站主动发起通信链路建立请求。 那么， 本实 施例的基站自动发现过程具体包括下步驟：
步驟 11 : 在基站中设置向 DHCP服务器发起请求的自发现处理单元； 具体的， 基站在出厂前预置一个初始版本， 具有 DHCP客户端的功能， 能够发起 DHCP请求向 DHCP服务器请求配置参数， 相关的配置参数应包 括基站 IP、 子网掩码、 网关 IP、 和网管 IP等， 相关的参数通过 DHCP服务 器提供的选项 （options )进行配置指定；
步驟 12: 基站上电后先发起 DHCP请求， 向 DHCP服务器请求配置参 数；
步驟 13: DHCP服务器收到基站的 DHCP请求后，为基站分配 IP地址、 子网掩码、 网关 IP、 网管 IP等配置参数；
步驟 14: 基站收到所需的配置参数后， 配置自身的 IP、 子网掩码、 网 关 IP以及网管 IP, 并根据收到的配置参数向网络管理单元发起通信链路建 立请求， 完成通信链路的建立。 进一步的， 网络管理单元向基站下发相关的配置信息、 以及加载相关 的单板软件版本， 基站收到后即完成自动加入网络的过程， 并投入运营。
实施例二：
本实施例中， 所述配置服务器是网络中单独设置的 DHCP服务器， 基 站通过 DHCP协议与 DHCP服务器进行交互， 从 DHCP服务器获取基站所 需的配置参数； 本实施例由网络管理单元主动发起通信链路建立请求。 那 么， 本实施例的基站自动发现过程具体包括下步驟：
步驟 21 : 在基站中设置向 DHCP服务器发起请求的自发现处理单元； 具体的， 基站在出厂前预置一个初始版本， 具有 DHCP客户端的功能， 能够发起 DHCP请求向 DHCP服务器请求配置参数， 相关的配置参数应包 括基站 IP、 子网掩码、 网关 IP、 和网管 IP等， 相关的参数通过 DHCP服务 器提供的 options进行配置指定；
步驟 22: 基站上电后先发起 DHCP请求， 向 DHCP服务器请求配置参 数；
步驟 23: DHCP服务器收到基站的 DHCP请求后，为基站分配基站 IP、 子网掩码、 网关 IP、 和网管 IP等配置参数；
步驟 24: 基站收到所需的配置参数后， 配置自身的 IP、 子网掩码、 网 关 IP以及网管 IP, 完成本地配置；
步驟 25: 基站完成配置后， 向网络管理单元广播 Trap消息， 通知网络 管理单元相关配置参数， 包括基站 IP、 子网掩码、 网关 IP、 和网管 IP等配 置参数；
步驟 26: 网络管理单元根据收到的配置参数， 发起与基站的通信链路 建立请求， 完成通信链路的建立。
进一步的， 网络管理单元向基站下发相关的配置信息、 以及加载相关 的单板软件版本， 基站收到后即完成自动加入网络的过程， 并投入运营。 实施例三：
本实施例中， 网络中没有部署 DHCP服务器， 所述配置服务器是单独 定制的服务器， 该定制服务器具备为基站配置参数的配置功能， 能根据网 络规划为每一个即将投入运营的基站分配相关的配置参数， 至少包括基站 IP、 子网掩码、 网关 IP、 和网管 IP等； 并且， 该定制服务器能够响应基站 请求配置参数的请求消息， 基站通过双方预先协商好的特定协议或特定消 息进行交互， 从所述定制服务器获取基站所需的配置参数。 本实施例由基 站主动发起通信链路建立请求。 那么， 本实施例的基站自动发现过程具体 包括下步驟：
步驟 31 : 在基站中设置向定制服务器发起请求的自发现处理单元； 具体的， 基站在出厂前预置一个初始版本， 具有向定制服务器发送请 求配置参数请求的功能， 相关的配置参数应包括基站 IP、 子网掩码、 网关 IP、和网管 IP等，相关的参数通过定制服务器提供的 options进行配置指定； 步驟 32: 基站上电后先发起请求， 向定制服务器请求配置参数； 步驟 33: 定制服务器收到基站的请求后， 为基站分配 IP地址、 子网掩 码、 网关 IP、 网管 IP等配置参数；
步驟 34: 基站收到所需的配置参数后， 配置自身的 IP、 子网掩码、 网 关 IP以及网管 IP, 并根据收到的配置参数向网络管理单元发起通信链路建 立请求， 完成通信链路的建立。
进一步的， 网络管理单元向基站下发相关的配置信息、 以及加载相关 的单板软件版本， 基站收到后即完成自动加入网络的过程， 并投入运营。
实施例四：
本实施例中， 网络中没有部署 DHCP服务器， 所述配置服务器是单独 定制的服务器， 该定制服务器具备为基站配置参数的配置功能， 能根据网 络规划为每一个即将投入运营的基站分配相关的配置参数， 至少包括基站 IP、 子网掩码、 网关 IP、 和网管 IP等； 并且， 该定制服务器能够响应基站 请求配置参数的请求消息， 基站通过双方预先协商好的特定协议或特定消 息进行交互， 从所述定制服务器获取基站所需的配置参数。 同时， 定制服 务器在为基站分配配置参数成功后， 会发 Trap消息通知网络管理单元基站 已配置好， 本实施例由网络管理单元主动发起通信链路建立请求。 那么， 本实施例的基站自动发现过程具体包括下步驟：
步驟 41 : 在基站中设置向定制服务器发起请求的自发现处理单元； 具体的， 基站在出厂前预置一个初始版本， 具有向定制服务器发送请 求配置参数请求的功能， 相关的配置参数应包括基站 IP、 子网掩码、 网关
IP、和网管 IP等，相关的参数通过定制服务器提供的 options进行配置指定； 步驟 42: 基站上电后先发起请求， 向定制服务器请求配置参数； 步驟 43: 定制服务器收到基站的请求后， 为基站分配 IP地址、 子网掩 码、 网关 IP、 网管 IP等配置参数；
步驟 44: 基站收到所需的配置参数后， 配置自身的 IP、 子网掩码、 网 关 IP以及网管 IP, 完成本地配置；
步驟 45: 基站完成配置后， 向网络管理单元广播 Trap消息， 通知网络 管理单元相关配置参数， 包括基站 IP、 子网掩码、 网关 IP、 和网管 IP等配 置参数；
步驟 46: 网络管理单元根据收到的配置参数， 发起与基站的通信链路 建立请求， 完成通信链路的建立。
进一步的， 网络管理单元向基站下发相关的配置信息、 以及加载相关 的单板软件版本， 基站收到后即完成自动加入网络的过程， 并投入运营。
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， 凡在本发明的精神和原则之内所作的任何修改、 等同替换和改进 等， 均应包含在本发明的保护范围之内。

Claims

权利要求书
1、 一种基站自动发现方法， 其特征在于， 在网络中部署配置服务器； 该方法还包括：
基站上电后向所述配置服务器发请求消息， 请求获取相关的配置参数； 所述配置服务器向基站返回所述配置参数；
根据所述配置参数， 基站与网络管理单元完成通信链路的建立。
2、 根据权利要求 1所述的基站自动发现方法， 其特征在于， 所述基站 与网络管理单元完成通信链路的建立具体为： 基站根据所述配置服务器返 回的配置参数， 向网络管理单元发送通信链路建立请求， 完成通信链路的 建立。
3、 根据权利要求 1所述的基站自动发现方法， 其特征在于， 基站收到 所述配置参数、 且完成所述配置参数的配置之后， 该方法进一步包括： 配 置服务器向网络管理单元发送基站配置好的通知消息， 并将所述配置参数 发送给网络管理单元；
所述基站与网络管理单元完成通信链路的建立具体为： 网络管理单元 收到所述通知消息后， 向基站发起通信链路建立请求， 完成通信链路的建 立。
4、 根据权利要求 1所述的基站自动发现方法， 其特征在于， 基站收到 所述配置服务器返回的配置参数后， 该方法进一步包括： 基站将所述配置 参数发送给所述网络管理单元；
所述基站与网络管理单元完成通信链路的建立具体为： 网络管理单元 收到所述配置参数后， 向基站发起通信链路建立请求， 完成通信链路的建 立。
5、根据权利要求 1至 4任一项所述的基站自动发现方法，其特征在于， 所述配置参数包括： 基站 IP地址、 子网掩码、 网关 IP地址、 和网络管理单 元 IP地址。
6、根据权利要求 1至 4任一项所述的基站自动发现方法，其特征在于， 所述配置服务器为动态主机配置协议服务器， 或为单独定制的服务器； 所述配置服务器作为独立的网络设备部署在网络侧， 或作为逻辑模块 设置在网络侧的已有设备中。
7、根据权利要求 1至 4任一项所述的基站自动发现方法，其特征在于， 该方法进一步包括： 在基站中设置自发现处理单元；
所述向配置服务器发送请求消息、 接收配置服务器返回的配置参数、 以及与所述网络管理单元完成通信链路的建立由所述自发现处理单元完 成。
8、 一种基站自动发现系统， 其特征在于， 该系统包括： 网络管理单元、 配置服务器、 以及一个或多个基站， 网络管理单元与基站、 配置服务器与 基站、 网络管理单元与配置服务器之间均通过传输网络互联； 其中，
所述配置服务器， 负责管理和维护所有基站的配置参数， 并响应基站 的请求， 为基站分配相关的配置参数；
所述网络管理单元， 用于与所述基站完成通信链路的建立；
所述基站， 内部设置有自发现处理单元， 用于在所述基站上电后主动 向所述配置服务器发请求消息， 请求相关的配置参数； 还用于接收消息配 置服务器返回的所述配置参数， 并根据所述配置参数完成与所述网络管理 单元通信链路的建立。
9、根据权利要求 8所述的基站自动发现系统， 其特征在于， 所述基站， 进一步用于向所述网络管理单元发起通信链路建立请求；
相应的， 所述网络管理单元， 进一步用于接收所述基站发来的通信链 路建立请求， 与所述基站完成通信链路的建立。
10、 根据权利要求 8所述的基站自动发现系统， 其特征在于， 所述配 置服务器， 还用于在基站收到所述配置参数、 且完成所述配置参数的配置 之后， 通知所述网络管理单元基站已配置好， 并将所述配置参数发送给所 述网络管理单元；
相应的， 所述网络管理单元， 还用于在收到配置服务器通知基站已配 置好消息后， 向基站发起通信链路建立请求， 与基站完成通信链路的建立。
11、 根据权利要求 8 所述的基站自动发现系统， 其特征在于， 所述基 站， 还用于将收到的配置服务器发来的配置参数发送给网络管理单元； 相应的， 所述网络管理单元， 还用于在收到基站发来的配置参数后， 向基站发起通信链路建立请求， 与基站共同完成通信链路的建立。
12、 根据权利要求 8至 11任一项所述的基站自动发现系统， 其特征在 于， 所述配置服务器为动态主机配置协议服务器， 或为单独定制的服务器； 所述配置服务器作为独立的网络设备部署在网络侧， 或作为逻辑模块 设置在网络侧的已有设备中。
13、 根据权利要求 8至 11任一项所述的基站自动发现系统， 其特征在 于， 所述配置参数包括： 基站 IP地址、 子网掩码、 网关 IP地址、 和网络管 理单元 IP地址。
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