WO2003036838A1 - A method for setting up a ipoa channel based default administration channel - Google Patents

A method for setting up a ipoa channel based default administration channel Download PDF

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Publication number
WO2003036838A1
WO2003036838A1 PCT/CN2002/000157 CN0200157W WO03036838A1 WO 2003036838 A1 WO2003036838 A1 WO 2003036838A1 CN 0200157 W CN0200157 W CN 0200157W WO 03036838 A1 WO03036838 A1 WO 03036838A1
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WO
WIPO (PCT)
Prior art keywords
base station
address
maintenance
channel
b00tp
Prior art date
Application number
PCT/CN2002/000157
Other languages
English (en)
French (fr)
Inventor
Jianhua Peng
Original Assignee
Huawei Technologies Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Priority to US10/493,438 priority Critical patent/US7706310B2/en
Priority to KR1020047006153A priority patent/KR100708002B1/ko
Priority to BRPI0213456A priority patent/BR0213456B8/pt
Priority to DE60216313T priority patent/DE60216313T2/de
Priority to AU2002240774A priority patent/AU2002240774B2/en
Priority to EP02706586A priority patent/EP1443693B1/en
Priority to JP2003539208A priority patent/JP2005506797A/ja
Publication of WO2003036838A1 publication Critical patent/WO2003036838A1/zh

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Classifications

    • 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
    • H04L61/00—Network arrangements, protocols or services for addressing or naming
    • H04L61/50—Address allocation
    • H04L61/5007—Internet protocol [IP] addresses
    • H04L61/5014—Internet protocol [IP] addresses using dynamic host configuration protocol [DHCP] or bootstrap protocol [BOOTP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/04—Arrangements for maintaining operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
    • H04W80/04—Network layer protocols, e.g. mobile IP [Internet Protocol]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/04—Interfaces between hierarchically different network devices
    • H04W92/12—Interfaces between hierarchically different network devices between access points and access point controllers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H04L2012/5603—Access techniques
    • H04L2012/5604—Medium of transmission, e.g. fibre, cable, radio
    • H04L2012/5607—Radio
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H04L2012/5638—Services, e.g. multimedia, GOS, QOS
    • H04L2012/5665—Interaction of ATM with other protocols
    • H04L2012/5667—IP over ATM

Definitions

  • the present invention relates to a data channel in a wireless communication system, and in particular, to a method for establishing an operation and maintenance channel on a base station (Iub) interface in a universal land wireless access network (UTRAN) of a wideband code division multiple access (WCDMA) cellular mobile communication system. .
  • Iub base station
  • UTRAN universal land wireless access network
  • WCDMA wideband code division multiple access
  • the first method is to configure related data on the base station (NodeB) side and the base station controller side by the maintenance staff to configure special operation and maintenance channels, thereby solving the problem of base station operation.
  • the second method is to use the default permanent virtual link (PVC) and Internet Protocol (IP) addresses set at the factory to initiate the request to the centralized operation and maintenance station when all base stations are started for the first time to obtain formal configuration data. Use the officially configured PVC and IP address to contact the centralized operation and maintenance station, and delete the original channel and IP information.
  • PVC permanent virtual link
  • IP Internet Protocol
  • the biggest drawback of this method is when the maintenance station is operated centrally It is difficult to achieve at the remote end; At the same time, because all base stations use fixed IP, all base stations cannot start work in parallel at the same time, otherwise the centralized operation and maintenance station cannot distinguish which base station, and the operation and maintenance and network management data are complicated during the start; If data is lost due to failures after the start of work, the maintenance channel cannot be automatically established at the base station side, and manual intervention must be performed at this time.
  • An object of the present invention is to provide a method for establishing a default maintenance channel based on an IP0A channel. Using this method, a base station can automatically establish a maintenance channel and implement maintenance functions such as automatically loading programs and data, thereby improving network maintainability and reducing Operation and maintenance costs, improving operation and maintenance quality.
  • a method for establishing a default maintenance channel based on an IP0A channel includes:
  • the base station side initiates a bootstrap protocol (B00TP) request in a broadcast manner, and transmits the request to the system centralized operation and maintenance station;
  • B00TP bootstrap protocol
  • IP Internet Protocol
  • the base station obtains the IP address assigned to it from the response, and creates an IP0A channel (IPOA: IP OVER ATM, ATM on ATM) according to the obtained IP address and the default PVC. 7 a 3-
  • step (1) the IP0A channel is established through a default configuration of the base station.
  • step (2) the B00TP request is transmitted to the system centralized operation and maintenance station through routing of the base station controller.
  • step (3) the response sent by the system centralized operation and maintenance station to the base station is completed by the base station controller.
  • the base station side initiates a B00TP request to the system centralized operation and maintenance station, and then obtains the allocation through the response sent by the centralized operation and maintenance station to the base station. Give it an IP address to complete the establishment of the operation and maintenance channel between the base station and the base station controller.
  • the present invention can solve the problem of automatic start of the base station to establish a maintenance channel, prevent the problem of IP address conflicts and the problem of concurrent start of operation, and establish a maintenance channel
  • the operation is simple, the workload is small, and it is not prone to errors, so that programs and data can be automatically loaded to achieve remote configuration, that is, centralized operation and maintenance of the base station to configure and maintain the base station.
  • the maintenance cost is low, the quality is good, and it is suitable for star, chain, Various networking situations such as tree type.
  • FIG. 1 is a flowchart of an embodiment of a method of the present invention
  • FIG. 2 is the B00TP request packet format used in the present invention
  • FIG. 3 is a schematic diagram of establishing an operation and maintenance channel in a base station chain networking mode applied by the present invention
  • FIG. 4 is a schematic diagram of establishing an operation and maintenance channel in a base station tree networking mode applied by the present invention
  • FIG. FIG. 5 is a structural diagram of an embodiment of a UTRAN chain-type networking using the WCDMA system of the present invention
  • FIG. 6 is a physical address format diagram used in the embodiment shown in FIG. 5;
  • FIG. 7 is a diagram for describing a physical address format shown in FIG. 6.
  • the solution described in the present invention is mainly based on the following premise: one is that the base station and the base station controller are based on ATM transmission; the other is that a physical connection has been established between the base station and the base station controller.
  • FIG. 1 is a flowchart of an embodiment of the method of the present invention.
  • the present invention is implemented according to FIG. 1.
  • a default PVC is established between the base station and the base station controller through the default PVC configuration.
  • step 2 is performed.
  • B00TP is initiated by the base station in a broadcast manner.
  • the request sends the B00TP request of the base station to the system centralized operation and maintenance station through the routing of the base station controller; in step 3, the centralized operation and maintenance station allocates an IP address to the base station, fills in the B00TP response packet, and sends a B00TP response.
  • the base station controller sends the B00TP response to the base station side.
  • step 4 the base station side obtains the IP address assigned to it, and creates an IP0A channel according to the obtained IP address and the default PVC, thereby completing the base station and the base station controller.
  • the B00TP request initiated by the base station in step 2 above includes the following, and its specific format is shown in Figure 2:
  • Packet operation code which is used to indicate the B00TP packet type
  • Hardware address type used to indicate the hardware address type
  • PT / CN02 / 00157 hardware address length used to indicate the hardware address length
  • Processing ID used for matching between B00TP request and B00TP response; disappearing seconds (sees), used to indicate how many seconds the client has elapsed since bootstrapping;
  • Client IP address used to indicate the client's IP address
  • Server IP address used to indicate the address of the server populated by the server
  • gateway IP address used to pass through the gateway address
  • the client hardware address (chaddr) is used to indicate the client's hardware address.
  • special processing is performed in this domain so that the base station controller and the maintenance terminal can identify the B00TP request sent by the base station.
  • Optional master server name for optional host name
  • Boot file name (f i le), used to indicate the file name to be loaded
  • Optional host area used for vendor-defined domains.
  • the base station controller can use this field to do some processing, which is convenient for routing implementation.
  • the physical connection may be based on a single link (and I) mode or based on an ATM inverse multiplexing (IMA) function, and other methods.
  • the base station side can determine which method to use by listening to the cells on the link, so as to obtain the physical link data configured by the base station controller.
  • the base station can listen to IMA protocol control unit (ICP) cell of IMA frame obtains the actually configured IMA Link information so that a default PVC can be established.
  • ICP IMA protocol control unit
  • the base station can initiate a B00TP request to apply
  • the base station controller when detecting the B00TP request from the base station, it needs to send the B00TP request packet to the centralized operation and maintenance station, and ensure that the centralized operation and maintenance station can identify which base station the B00TP request packet is from, so that Assign it an IP address. Therefore, if the centralized operation and maintenance station is external to the base station controller, the base station controller needs to perform some processing on the B00TP request packet, for example, adding the PVC information indicating the base station to the client hardware address of the B00TP packet to ensure the external The centralized operation and maintenance station can identify which base station the B00TP request packet is from.
  • the base station creates an IP0A channel based on the obtained IP address. After the IP0A channel between the base station side and the base station controller is established, the program and data of the base station can be loaded on this channel.
  • Figures 2 and 3 describe the establishment of the operation and maintenance channels in the base station chain and tree networking modes.
  • the start of the base station is completed level by level, and the next level cannot be started until the connected level is started.
  • the star connection can be started in parallel.
  • the base station directly connected to the base station controller is started first through the above method, so that the base station obtains programs and configuration data to run normally.
  • Other base stations connected to the base station follow the above method to send a B00TP request in the broadcast mode on the default PVC.
  • the configuration data of the base station that started first contains the configuration information of the PVC cross-connection, and the IP0A channel has also been established between the base station that started first and the base station controller according to the configuration data.
  • the lower-level base station receives the B00TP response and obtains the IP address, and then establishes an IP0A channel between it and the upper-level base station. Since a PVC connection has been established between the upper-level base station and the centralized maintenance station, the base station establishes the The entire connection to the centralized maintenance station. Starting in this way, each base station can start automatically. Only after the upper-level base station starts normal operation can the next-level maintenance channel be established successfully.
  • FIG. 5 is a structural diagram of an embodiment of a UTRAN chain-type networking using the WCDMA system of the present invention.
  • the base station of UTRAN is a chain-type network, and the centralized maintenance station is at the far end.
  • the NodeB and the radio network controller (RNC) are connected by using E1 (a physical interface for transmitting ATM cells), which is based on the IMA mode of ATM transmission.
  • E1 a physical interface for transmitting ATM cells
  • the parameters of the B00TP packet are as follows:
  • the B00TP proxy of the base station controller RNC or the B00TP server After the B00TP proxy of the base station controller RNC or the B00TP server detects the B00TP odd request packet, it performs some processing on the B00TP request packet.
  • the chaddr field is added with information that can be used by the remote maintenance station to distinguish the NodeB, such as adding PVC and frame and slot information. The difference is which B00TP request comes from which NodeB. If you modify the giaddr information on a different gateway, add the gateway information. At the same time, the hops are increased by 1, the sees are modified, and then the RNC forwards them to the remote maintenance station.
  • the remote maintenance station After receiving the B00TP request, the remote maintenance station allocates an IP address according to the chaddr, fills in the IP address information and the path of the loaded file name into the B00TP response packet, and sends out a B00TP response packet.
  • the RNC After receiving the response packet, the RNC performs routing and forwards the B00TP response packet to the Iub's default PVC. In this way, NodeBl can receive the BOOTP response message to obtain the IP, and then create an IP0A device, and hang the default PVC to the IP0A device, so that the IP0A operation and maintenance channel is established.
  • the B00TP response packet may also be provided with a file name and path, and the base station loads the program according to the file name and path.
  • the remote maintenance station Because the remote maintenance station has been configured with PVC configuration information between Nodel and RNC, after Nodel starts normal operation, it receives configuration data and establishes a connection with RNC according to the configuration data.

Description

一种基于 IP0A通道的缺省维护通道的建立方法 技术领域
本发明涉及无线通信系统中的数据通道，尤其涉及在宽带码分多 址（WCDMA )蜂窝移动通信系统通用陆地无线接入网 （UTRAN )中的基 站间 （Iub )接口上操作维护通道的建立方法。
背景技术
随着无线通信技术的发展， 通信网络越来越复杂和庞大， 因此对 网络的可维护性提出了更高的要求。但是由于第三代无线通信网在宽 带码分多址 ( WCDMA ) 以及码分多址 2000 ( CDMA2000 )通信系统中的 协议未定义基站的缺省维护通道，使得基站不能实现远端自动加载开 工运行， 这给网络的维护带来很大的不便。 目前建立基站的维护通道 的方法主要有以下两种： 第一种方法由维护人员在基站（NodeB )侧 和基站控制器侧配置相关数据， 以配置特殊操作维护通道， 从而解决 基站开工运行的问题； 由于实际应用中的接入设备和网络侧之间常 常相隔 4艮远， 因此这种方法的最大缺陷在于， 当基站远离基站控制器 或者基站在非常偏僻以及荒凉的地方， 近端的配置非常困难， 此外， 对于故障的处理也非常不便。第二种方法是在所有基站初次启动时采 用出厂时设置好的缺省永久虛链接 ( PVC )和因特网协议（IP )地址 向集中操作维护台发起请求， 获得正式的配置数据， 以后重启动则采 用正式配置好的 PVC和 IP地址和集中操作维护台取得联系， 并删除 原有的通道以及 IP信息。 这种方法的最大缺陷是当集中操作维护台 在远端时难以实现； 同时， 由于所有基站采用的是固定 IP, 因此所 有基站不能同时并行开工， 否则集中操作维护台无法区别哪个基站， 并且开工期间操作维护和网絡管理数据复杂； 此外， 基站开工后如果 由于故障等原因丟失了数据， 则在基站侧无法再自动建立维护通道， 此时必须进行人工干预。
由上可知，现有的建立基站维护通道方法的主要问题是缺乏维护 通道的自动建立机制， 因此建立维护通道的操作麻烦、 工作量大、 容 易出错， 使得基站的维护成本高、 质量差。
发明内容
本发明的目的在于提供一种基于 IP0A通道的缺省维护通道的建 立方法， 使用该方法能使基站自动建立维护通道、 实现自动加载程序 与数据等维护功能， 从而提高网络的可维护性、 减少运行维护成本， 提高运行维护质量。
为达到上述目的， 本发明提供的基于 IP0A通道的缺省维护通道 的建立方法， 包括：
( 1 )建立基站与基站控制器之间的缺省永久虚连接 ( PVC );
( 2 )通过上述步骤（1 ) 建立的 PVC, 由基站侧以广播方式发起 自举协议（B00TP )请求， 将该请求传送到系统集中操作维护台；
( 3 )系统集中操作维护台向所述基站发出包括分配给该基站的因 特网协议 ( IP )地址的响应；
( 4 ) 所述基站从所述响应中获取分配给它的 IP地址， 根据获得 IP地址与缺省 PVC创建 IP0A通道 ( IPOA: IP OVER ATM， ATM上的 7 一 3—
IP ) ,从而完成基站与基站控制器之间的操作维护通道的建立。
在所述步骤（1 ) 中， 所述 IP0A通道通过基站的缺省配置建立。 在所述步骤（2 ) 中所述将 B00TP请求传送到系统集中操作维护 台通过基站控制器的路由实现。
在所述步骤（3 ) 中， 系统集中操作维护台向基站发出的响应通 过基站控制器完成。
由于本发明通过基站的缺省配置建立的基站与基站控制器之间 的 IP0A通道， 由基站侧向系统集中操作维护台发起 B00TP请求， 进 而通过集中操作维护台向所述基站发出的响应获取分配给它的 IP地 址， 从而完成基站与基站控制器之间的操作维护通道的建立， 因此， 本发明能解决基站自动开工建立维护通道， 防止 IP地址冲突的问题 和并行开工问题，且建立维护通道的操作简单、工作量小、不易出错， 从而可以自动加载程序以及数据， 实现在远端， 即集中操作维护台对 基站进行配置维护， 维护成本低、 质量好， 适用于星型、 链型、 树型 等各种组网情况。
附图说明
图 1是本发明方法的实施例流程图；
图 2是本发明采用的 B00TP请求包格式；
图 3 是应用本发明进行的基站链型组网方式下操作维护通道的 建立示意图；
图 4 是应用本发明进行的基站树型组网方式下操作维护通道的 建立示意图； 图 5是应用本发明的 WCDMA系统进行的 UTRAN链型组网的实施例 结构图；
图 6是图 5所述实施例采用的物理地址格式图；
图 7是图 6所述物理地址格式描述图。
具体实施方式
下面结合附图对本发明作进一步详细的描述。
本发明所述的方案主要基于以下前提：一是基站与基站控制器之 间基于 ATM传输； 二是基站与基站控制器之间已经建立物理连接。
图 1是本发明方法的实施例流程图。按照图 1实现本发明， 在步 骤 1， 通过缺省 PVC配置， 建立基站与基站控制器之间的缺省 PVC; 然后进行步骤 2 ,在该缺省 PVC上面 ,由基站侧以广播方式发起 B00TP 请求， 通过基站控制器的路由，把该基站的 B00TP请求送到系统集中 操作维护台; 在步骤 3集中操作维护台给该基站分配 IP地址, 填入 B00TP响应包中， 并发出 B00TP响应， 由基站控制器把该 B00TP响应 送到基站侧； 最后在步骤 4 , 基站侧获取到分配给它的的 IP地址， 根据获得的 IP地址以及缺省 PVC创建 IP0A通道，从而完成基站与基 站控制器之间的操作维护通道的建立。 至此，基站侧与基站控制器之 间的操作维护 IP0A通道建立成功。
上述步驟 2中由基站侧发起的 B00TP请求包括以下内容，其具体 格式参考图 2:
包操作码（ op ), 用于标示 B00TP包类型；
硬件地址类型 （htype ), 用于标示硬件地址类型； P T/CN02/00157 硬件地址长度（hlen )， 用于标示硬件地址长度；
硬件操作设置（ hops )， 用于标示经过网关数；
处理标识（ xid ), 用于 B00TP请求与 B00TP响应之间的匹配； 消失秒 ( sees ), 用于标示客户端自举以来已经多少秒;
客户 IP地址（cirddr ), 用于标示客户端的 IP地址；
自己的 IP地址（yiaddr ), 用于标示服务器填充的客户端的 IP 地址；
服务器 IP地址（ s iaddr ),用于标示服务器填充的服务器的地址； 网关 IP地址（giaddr ), 用于经过的网关地址；
客户硬件地址（chaddr ), 用于标示客户端的硬件地址； 本文中 当基站不知自己的硬件地址时，在该域中作特殊处理使基站控制器以 及维护终端能够识别是基站发送的 B00TP请求。
可选主服务器名 （sname )， 用于可选的主机名；
引导文件名 （f i le ), 用于标示要加载的文件名；
可选侍主区域（vend ), 用于厂商自定义的域。 本文中基站控制 器可以使用该域， 作一些处理， 便于路由的实现。
在本发明具体实施时，由于基站与基站控制器之间已经建立物理 层连接， 例如物理连接可以是基于单链路（而 I)方式或基于 ATM反向 复用 （IMA )功能的方式， 以及其他方式。 不管是 UNI方式还是 IMA 方式， 基站侧可以通过侦听链路上的信元来判断出上哪种方式， 从而 获得基站控制器配置的物理链路数据. 例如对于 IMA方式， 基站可以 通过侦听 IMA帧的 IMA协议控制单元（ ICP )信元获得实际配置的 IMA 链路信息， 这样就可以建立缺省 PVC。 因为建立缺省 IPOA通道之前， 基站与基站控制器之间没有通道， 不能实现交互， 因此， 必须采用缺 省 PVC方式。 例如可以采用虚通路识别符（ VPI ) = 1 /虛信道识别 符（VCI ) = 0。
确定了缺省的 PVC后， 基站侧即可发起一个 B00TP请求来申请
IP地址。 对于基站控制器而言， 侦听到基站来的 B00TP请求， 需要 把该 B00TP请求包送到集中操作维护台，并保证集中操作维护台能够 识别该 B00TP请求包是哪个基站发来的请求，从而给其分配 IP地址。 因此， 如果集中操作维护台是在基站控制器的外部， 那么就需要基站 控制器对 B00TP请求包作一些处理，例如在 B00TP包的客户端硬件地 址中加入表示该基站的 PVC信息，以保证外部的集中操作维护台能够 识别该 B00TP请求包是哪个基站发来的。此外还要保证集中操作维护 台响应的 B00TP响应能够返回基站侧，从而获得集中操作维护台给基 站分配的 IP地址。 实际中也可以根据需要获得加载程序文件名以及 路径等信息。 基站根据获得的 IP地址， 创建 IP0A通道。 基站侧与基 站控制器之间的 IP0A通道建立起来之后， 在该通道上就可以加载基 站的程序以及数据。
图 2、 图 3描述了基站链型、 树型组网方式下的操作维护通道的 建立示意。 基站的开工是一级接一级完成， 必须在连接的上一级开工 后， 才能下一级开工。对于基站控制器而言的星型连接可以是并行开 工。 图示中与基站控制器直接连接的基站通过上面的方法先开工， 从 而该基站获得程序与配置数据正常运行。 与该基站相连的其他基站， 也遵照上面方法在缺省的 PVC上以广播方式发送 B00TP请求。先开工 的基站配置数据中包含有该 PVC交叉连接的配置信息，而且先开工的 基站与基站控制器之间根据配置数据也已经建立了 IP0A通道。因此， 该先开工的基站只需要在相应的端口上进行 PVC交换即可，基站控制 器处理与对前面已经开工的基站处理方式相同。 下一級的基站收到 B00TP响应， 获取到 IP地址后， 就建立了与其相连上一级基站之间 的 IP0A通道，由于上一级基站与集中维护台之间已经建立 PVC连接， 本基站就建立了与集中维护台之间的整个连接。 如此逐级开工， 各个 基站就都能够自动开工。 只有在上一级基站开工正常运行后， 下一级 维护通道才可能建立成功。
图 5是应用本发明的 WCDMA系统进行的 UTRAN链型组网的实施例 结构图。如图 5所示， UTRAN的基站是链型组网， 集中维护台在远端。 NodeB与无线网络控制器（RNC )之间采用 E1 (用于传输 ATM信元的 物理接口）连接， 基于 IMA方式的 ATM传输。
首先， NodeBl须通过侦听 E1链路上 IMA帧的 ICP信元获取到 IMA 配置信息。 规定缺省 PVC在包含最小链路号的 IMA组内， NodeBl与 RNC之间已经存在缺省 PVC ( VPI = 1; VCI = 0 ), NodeB以广播方式 发起 B00TP请求。 B00TP包的参数如下：
op = 1 ; htype = 1; hlen = 6; hops = 0; xid = 一个随机数 (用一种算法尽量保证该参数各个基站之间不相同，或者直接使用本 地时间 ); sees = 0; f lags = 0; ciaddr = 0; yiaddr = 0; s iaddr = 0; giaddr = 0; chaddr = 为便于基站控制器处理， 该字段的格 式参考图 6和图 7; sname =该字段没有使用， 全部清 0; f i le =该 字段没有使用， 全部清 0; vend = 0。
基站控制器 RNC 的 B00TP 代理或者是 B00TP服务器侦听到该 B00TP奇求包后， 对 B00TP请求包作一些处理。 chaddr字段中加入 能够用于远端维护台区分 NodeB的信息，例如加入 PVC以及框槽信息， 区别是哪个 NodeB 上来的 B00TP 请求。 如果在不同的网关再修改 giaddr信息， 加入网关信息。 同时 hops加 1， 修改 sees等， 然后 RNC转发给远端维护台。远端维护台收到该 B00TP请求后，根据 chaddr 来分配 IP地址，把 IP地址信息以及加载文件名称路径填入 B00TP响 应包中， 发出 B00TP响应包。 RNC收到该响应包后， 进行路由， 转发 该 B00TP响应包到 Iub的缺省 PVC上。由此 NodeBl就能够收到该 BOOTP 响应消息，从而获得该 IP，再创建 IP0A设备，把缺省 PVC挂到该 IP0A 设备上， 如此 IP0A操作维护通道建立。 当然， 如果有必要， 也可以 在 B00TP响应包中带文件名以及路径，基站根据文件名称以及路径进 行程序的加载。
下面再描述链型连接的情况。
由于远端维护台已经配置了 Nodel与 RNC之间的 PVC配置信息， Nodel开工正常运行后， 收到配置数据， 并按照配置数据建立与 RNC 之间的连接。 该配置数据包含用于 Node2 操作维护通道的存在于 NodeB 1与 RNC之间的 PVC通道。 设该 PVC为 （ VPI = 1; VCI = 33 )。
NodeB2 上电后， 在缺省的 PVC ( VPI = 1; VCI = 0 )上也发起 B00TP请求。 Nodel在某个端口上收到该缺省 PVC通道上的 B00TP该 请求， 按照事先已经配置的 PVC交叉连接， 进行 PVC交换。 该 B00TP 请求就被交换到了前面描述的 PVC ( VPI = 1; VCI = 33 )路上。 RNC 然后对 B00TP请求包做同样的处 ， 转发远端维护台进行分配 IP地 址以及程序名称路径等。 远端维护台发出 B00TP响应， RNC转发该响 应。 B00TP响应将通过 NodeBl的 PVC交换， 使 NodeB2收到该响应。 如此就能够建立 NodeB2与远端维护台之间的 IP0A连接。
对于有多级组网， 或者环型， 树型组网， 都可以采用上述同样的 方式处理.

Claims

权 利 要 求
1、 一种基于 IP0A通道的缺省维护通道的建立方法， 包括：
( 1 ) 建立基站与基站控制器之间的缺省永久虚连接（PVC)；
( 2 )通过上述步骤（1 )建立的 PVC, 由基站侧以广播方式发起 自举协议（B00TP )请求， 将该请求传送到系统集中操作维护台；
( 3 )系统集中操作维护台向所述基站发出包括分配给该基站的因 特网协议（ IP )地址的响应；
( 4 ) 所述基站从所述响应中获取分配给它的 IP地址， 根据获得 IP地址与缺省 PVC创建 IP0A通道（ IPOA: IP OVER ATM , ATM上的 IP ), 从而完成基站与基站控制器之间的操作维护通道的建立。
2、 才艮据权利要求 1 所述的基于 IP0A通道的缺省维护通道的建 立方法，其特征在于：在所述步骤（ 1 ) 中， 所述 PVC通过基站的缺省 配置建立。
3、 根据权利要求 1 所述的基于 IP0A通道的缺省维护通道的建 立方法， 其特征在于: 在步骤（2 ) 中所述将 B00TP请求传送到系统 集中操作维护台通过基站控制器的路由实现。
4、 根据权利要求 1 所述的基于 IP0A通道的缺省维护通道的建 立方法， 其特征在于： 在所述步骤（3 ) 中， 系统集中操作维护台向 基站发出的响应通过基站控制器完成。
5、 根据权利要求 1 所述的基于 IP0A通道的缺省维护通道的建 立方法， 其特征在于在所述步骤（ 2 ) 中由基站侧发起的自举协议 ( B00TP )请求包括以下内容： 包操作码（ op )， 用于标示 B00TP包类型；
硬件地址类型 （htype), 用于标示硬件地址类型；
硬件地址长度（Men )， 用于标示硬件地址长度；
硬件操作设置 （ hops ), 用于标示经过网关数；
处理标识 ( xid )， 用于 B00TP请求与 B00TP响应之间的匹配； 消失秒 (sees), 用于标示客户端自举以来已经多少秒;
客户 IP地址（cirddr), 用于标示客户端的 IP地址；
自己的 IP地址（yiaddr), 用于标示服务器填充的客户端的 IP 地址；
服务器 IP地址（ siaddr )，用于标示服务器填充的服务器的地址； 网关 IP地址（giaddr), 用于经过的网关地址;
客户硬件地址（chaddr), 用于标示客户端的硬件地址； 可选主月良务器名 （sname), 用于可选的主机名；
引导文件名 （file), 用于标示要加载的文件名；
可选侍主区域（vend), 用于厂商自定义的域。
6、根据权利要求 5所述的基于 IP0A通道的缺省维护通道的建立 方法， 其特征在于所述方法还包括: 当集中操作维护台是在基站控制 器外部时，在 B00TP包的客户端硬件地址中加入表示该基站的 PVC信 息，以保证外部的集中操作维护台能够识别发出该 B00TP请求包的基 站。
PCT/CN2002/000157 2001-10-25 2002-03-13 A method for setting up a ipoa channel based default administration channel WO2003036838A1 (en)

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KR1020047006153A KR100708002B1 (ko) 2001-10-25 2002-03-13 Ｉｐｏａ 채널-기반 디폴트 관리 채널의 설정 방법
BRPI0213456A BR0213456B8 (pt) 2001-10-25 2002-03-13 método para estabelecer os canais de operação e manutenção baseado no canal ip sobre atm, ipoa
DE60216313T DE60216313T2 (de) 2001-10-25 2002-03-13 Verfahren zum einrichten eines administrationskanals auf ipoa-kanal-basis
AU2002240774A AU2002240774B2 (en) 2001-10-25 2002-03-13 A Method for Establishing an IPOA Channel-Based Operation and Maintenance Channel
EP02706586A EP1443693B1 (en) 2001-10-25 2002-03-13 A method for setting up an ipoa channel based administration channel
JP2003539208A JP2005506797A (ja) 2001-10-25 2002-03-13 Ｉｐｏａチャンネルベースのデフォルト維持管理チャンネルを確立するための方法

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ATE346465T1 (de) 2006-12-15
EP1443693A4 (en) 2005-12-21
JP5144444B2 (ja) 2013-02-13
BRPI0213456B1 (pt) 2016-10-04
BR0213456A (pt) 2004-11-09
EP1443693B1 (en) 2006-11-22
AU2002240774C9 (en) 2003-05-06

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