WO2013075494A1 - Procédé et système de dépannage - Google Patents

Procédé et système de dépannage Download PDF

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Publication number
WO2013075494A1
WO2013075494A1 PCT/CN2012/077901 CN2012077901W WO2013075494A1 WO 2013075494 A1 WO2013075494 A1 WO 2013075494A1 CN 2012077901 W CN2012077901 W CN 2012077901W WO 2013075494 A1 WO2013075494 A1 WO 2013075494A1
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WO
WIPO (PCT)
Prior art keywords
base station
node
configuration data
station group
slave
Prior art date
Application number
PCT/CN2012/077901
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English (en)
Chinese (zh)
Inventor
孙志峰
尚海涛
Original Assignee
中兴通讯股份有限公司
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.)
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Publication of WO2013075494A1 publication Critical patent/WO2013075494A1/fr

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Classifications

    • 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
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/06—Testing, supervising or monitoring using simulated traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]

Definitions

  • the present invention relates to a wireless communication network, and in particular to a fault processing method and system.
  • the embodiment of the present invention uses the following technical solutions:
  • a fault processing method for improving reliability of a wireless communication network system comprising: when a base station group is initialized, a base station is competed as a master node of the base station group, or a base station is designated as a base station a primary node of the base station group, and other base stations are slave nodes of the base station group;
  • the master node of the base station group generates base station resource configuration data of the base station group, and sends configuration data to each slave node;
  • the application configuration data works.
  • the method further includes:
  • the step of monitoring faults of each node in the group of base stations and extracting corresponding countermeasures includes:
  • a new primary node is contested from each of the slave nodes of the base station group; or one of the slave nodes is designated as a new primary node. ;
  • the new master node adjusts the configuration data and delivers the configuration data to each slave node.
  • the application configuration data works.
  • the step of monitoring faults of each node in the group of base stations and extracting corresponding countermeasures includes:
  • the slave node of the base station group When the slave node of the base station group is faulty, the following countermeasures are taken: the faulty slave node reports the fault to the master node of the base station group; or the master node of the base station group actively detects and collects Fault information of the slave node of the fault;
  • the master node of the base station group adjusts configuration data, and allocates the service affected by the failed slave node to other slave nodes outside the failed slave node;
  • the master node in the base station group delivers the updated configuration data to the other slave nodes outside the failed slave node;
  • the application configuration data works.
  • a fault handling system for improving the reliability of a wireless communication network system comprising: a base station controller, a switch, a base station group, wherein:
  • the base station group is composed of a baseband processing unit BBU of a plurality of base stations, and is configured to: perform baseband modulation and demodulation, and allocate radio resources;
  • the switch is connected to the base station controller, and is configured to: implement interconnection and interworking of the internal control networks of the baseband processing units of the base station group, and share transmission resources from the base station controller; the base station controller is configured to: Controlling the base station group and managing radio resources of the access network.
  • each baseband processing unit of the group of base stations includes at least one IQ switching unit, at least one network side interface, and one local maintenance interface, where:
  • Each baseband processing unit is connected to the switch through a local maintenance interface to implement interworking between the baseband processing units;
  • Each baseband processing unit is connected to the switch through a respective network side interface; the IQ switching unit of each baseband processing unit is interconnected by optical fibers to implement interworking of IQ exchanges.
  • each base station in the group of base stations is configured to: when the base station group is initialized, a base station is successfully used as a master node from the base station group, and other base stations are slave nodes; The base station resource configuration data of the base station group is sent configuration data to each slave node; after receiving the configuration data, each slave node applies the configuration data; the master node monitors each slave node in the base station group The fault, and take the corresponding countermeasures.
  • each base station in the group of base stations is configured to retrieve corresponding countermeasures in the following manner:
  • the new primary node If the primary node of the base station group is faulty, a new primary node is contending from each of the secondary nodes in the base station group; the new primary node adjusts the configuration data, and allocates the service carried by the original primary node.
  • the new master node sends the configuration data to each slave node; after receiving the configuration data, the corresponding node works by applying the configuration data.
  • each base station in the group of base stations is configured to retrieve corresponding countermeasures in the following manner:
  • the faulty slave node reports the fault to the master node in the base station group; or the master node actively detects and collects fault information of the slave node;
  • the master node adjusts configuration data, and allocates the service affected by the failed slave node to other nodes; the master node sends the updated configuration data to other slave nodes; the corresponding node receives the configuration.
  • the configuration data is applied to work.
  • the above technical solution can automatically detect and collect BBU device faults by dynamically adjusting the allocation of BBU resources of the base station, and automatically adjust the service distribution on the BBU dynamically, adjust the service affected by the fault to the BBU that can work normally, and recover in the shortest time.
  • Business avoid BBU failure
  • the service is retired, which in turn affects the wireless communication network, thereby greatly improving the system reliability of the wireless communication network.
  • multiple BBUs form a group of base stations, they can be placed in one place in a physical location, which greatly saves the construction cost in the early stage and the operation and maintenance cost in the later stage.
  • FIG. 1 is a system frame diagram of a fault handling according to an embodiment of the present invention
  • FIG. 2 is a flowchart of a method for fault processing according to an embodiment of the present invention
  • FIG. 3 is a flow chart showing the configuration of the service recovery of the base station group when the base station is faulty according to the embodiment of the present invention
  • FIG. 4 is a flow chart showing the configuration of the base station group slave node failure service recovery according to the embodiment of the present invention.
  • a fault processing system for improving reliability of a wireless communication network system includes a base station controller 10, a switch 20, and a base station group 30, wherein: a base station group 30, A BBU consisting of multiple base stations, each BBU can perform baseband modulation and demodulation, radio resource allocation, call processing, power control, and soft handover; each BBU includes at least two in-phase/quadrature phase IQ switching units.
  • the BBU is connected to the switch 20 through the local maintenance interface of the BBU to implement interconnection and interworking between the internal control networks of the BBUs.
  • the BBUs are connected to the switches 20 through the network-side interfaces of the BBUs.
  • the transmission resources from the base station controller 10 are obtained; the IQ switching units of the BBU are interconnected by optical fibers to implement interworking of IQ exchanges;
  • Each base station in the base station group 30 is configured to: when the base station group is initialized and started, one base station is used as a master node from the base station group, and the other base stations are slave nodes; the master node generates base station resource configuration data of the base station group and delivers the configuration.
  • each slave node works with the configuration data; the master node monitors the faults of each node in the base station group, and extracts corresponding countermeasures; each base station in the base station group 30 is set to follow the following The method takes corresponding countermeasures: if the self-fault is monitored, a new master node is contested from the slave nodes in the base station group; the new master node adjusts the configuration data, and distributes the services carried by the original fault master node to other nodes.
  • the new master node sends configuration data to each node; after the corresponding node receives the configuration data, the application configuration data works; if the slave node group slave node is detected to be faulty, the fault occurs from the node reporting the fault to the master node in the base station group. Or, the master node actively detects and collects the fault information of the slave node; the master node adjusts the configuration data, Effect of failure from a node to the traffic distribution to other nodes; updated configuration data sent to the master node of each node; After receiving the data corresponding to the nodes, application configuration data work.
  • the switch 20 is connected to the base station controller 10, and configured to: implement interworking of each BBU internal control network and share transmission resources from the base station controller 10; the switch 20 logically includes two functions, and the local maintenance interface is connected.
  • the switch is configured to: implement interworking of each BBU internal control network; the switch connected to the network side interface is configured to: share transmission resources from the base station controller, thereby saving transmission equipment load from the base station group to the base station controller; It can be physically two switches or a switch.
  • the base station controller 10 is a control center of the access network, and is configured to: control the base station and the UE, and manage the radio resources of the access network.
  • the number of local maintenance interfaces on the BBU can be more than one.
  • the number of network-side interfaces on the BBU can be more than one.
  • the number of IQ exchange units on the BBU is two or more.
  • each BBU when the BBUs are connected in a star, the IQ part of each BBU can be connected to an IQ switch. In this case, only one IQ switching unit is needed.
  • the above system comprises a plurality of base stations to form a base station group, and the base station group can be used to allocate services carried by the failed base station to other non-faulty base stations, thereby improving the reliability of the wireless communication network system.
  • a fault processing method according to an embodiment of the present invention is used to improve the reliability of a wireless communication network system, and includes the following steps:
  • Step 1 When the base station group is initialized and started, one base station is successfully used as a master node from the base station group, and the other base stations are slave nodes;
  • Step 2 The primary node generates base station resource configuration data of the base station group.
  • Step 3 The master node sends configuration data to each node.
  • Step 4 After each node receives the configuration data, the application configuration data works.
  • Step 5 The primary node monitors faults of each node in the base station group, and retrieves corresponding countermeasures.
  • Step 5 can include the following two situations:
  • the new master node adjusts the configuration data, and allocates the services carried by the original faulty primary node to other nodes;
  • the new master node sends configuration data to each node
  • the fault is reported from the node to the master node in the base station group; or the master node actively detects and collects the fault information of the slave node;
  • the master node adjusts the configuration data, and distributes the service affected by the failure from the node to other nodes;
  • the master node sends the updated configuration data to each node
  • the application configuration data works.
  • the specific implementation of the method and system of the present invention will be described below by taking the base station resource dynamic adjustment of the UMTS BBU base station group as an example.
  • a fault processing system includes: a base station controller, a switch, and a base station group, wherein a local maintenance interface of a plurality of UMTS BBUs constituting the base station group is connected to the switch to implement interworking between the BBUs;
  • the network side interface is connected to the switch, and then the switch is connected to the base station controller;
  • the two IQ exchange units in the BBU are interconnected by optical fibers to implement interworking of IQ exchange; the above two switches physically use one switch, and are configured through The VLANs are separated.
  • Step 10 When the base station group is initialized, a BBU is manually designated as a primary node by pre-configuration. If not specified, one BBU is determined as the master node in the contention mode, and the other BBUs are slave nodes.
  • Step 20 The master node generates base station resource configuration data of the base station group.
  • Step 30 The master node sends configuration data to each node.
  • Step 40 After receiving the configuration data, each node works by applying configuration data.
  • Step 50 Monitor faults of each node in the base station group, and take corresponding countermeasures.
  • the step 50 may include the following two situations:
  • the new master node adjusts the configuration data and distributes the services carried by the original master node to other nodes.
  • the new master node sends configuration data to each node;
  • the application configuration data works.
  • the slave node group slave node is faulty, the following countermeasures are taken: bl) When the slave node has a fault that affects the service, the fault is reported to the master node in the base station group by means of system alarm and message. Or, the master node actively detects and collects fault information such as Ethernet switching failure and IQ exchange sharing fault of the slave node in the manner of keep-alive message and hardware detection. B2) The master node adjusts the configuration data and distributes the traffic that is affected by the fault from the node to other nodes.
  • the master node sends the updated configuration data to each node
  • the fault processing method and system of the embodiment of the present invention can automatically detect and process the fault of the base station, and dynamically adjust the allocation of the BBU resources of the base station, and automatically detect and collect the fault of the BBU device, and automatically adjust the service distribution on the BBU. Adjust the service affected by the fault to the BBU that can work normally, restore the service in the shortest time, avoid the service retreat caused by the BBU fault, and thus affect the wireless communication network, thereby greatly improving the system reliability of the wireless communication network.
  • multiple BBUs form a group of base stations, they can be placed in one place at a physical location, which greatly saves the construction cost in the early stage and the operation and maintenance cost in the later stage.
  • the foregoing technical solution can automatically detect and process the fault of the base station, and dynamically adjust the allocation of the BBU resources of the base station, and can automatically detect and collect the fault of the BBU device, and automatically adjust the service distribution on the BBU, and adjust the service affected by the fault to work normally.
  • the BBU recovers the service in the shortest time, avoids the BBU failure and causes the service to be retired, and thus affects the wireless communication network, thereby greatly improving the system reliability of the wireless communication network.
  • a plurality of BBUs form a base station group, they can be placed in one place in a physical location, which greatly saves the previous construction cost and the later operation and maintenance cost. Therefore, the present invention has strong industrial applicability.

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

Abstract

L'invention concerne un procédé et un système de dépannage, destinés à améliorer la fiabilité d'un réseau de communication sans fil. Le procédé comprend les opérations suivantes : lorsque la coopération de stations de base commence, une station de base est choisie à titre de nœud maître par compétition dans la coopération de stations de base, ou une station de base est désignée à titre de nœud maître et les autres stations de base sont toutes des nœuds esclaves ; le nœud maître génère des données pour la configuration de ressource de station de base de la coopération de stations de base ; et après que les nœuds ont reçu les données de configuration, les nœuds appliquent les données de configuration pour fonctionner. Au moyen de la solution technique susmentionnée, la distribution de ressource d'une unité en bande de base (BBU) d'une station de base peut être ajustée d'une manière dynamique, les défaillances de dispositifs BBU peuvent être détectées et collectées automatiquement, et la distribution de service sur la BBU peut être ajustée automatiquement et dynamiquement, ce qui permet d'améliorer la fiabilité du système. En même temps, la présente invention réduit fortement les coûts de construction dans des phases antérieures et les coûts de maintenance dans des phases postérieures sans augmenter les coûts matériels.
PCT/CN2012/077901 2011-11-21 2012-06-29 Procédé et système de dépannage WO2013075494A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201110369238.8 2011-11-21
CN2011103692388A CN102378233A (zh) 2011-11-21 2011-11-21 一种提高无线通讯网络系统可靠性的方法及系统

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Families Citing this family (4)

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Publication number Priority date Publication date Assignee Title
CN102378233A (zh) * 2011-11-21 2012-03-14 中兴通讯股份有限公司 一种提高无线通讯网络系统可靠性的方法及系统
CN104301027B (zh) * 2013-07-16 2018-10-26 南京中兴新软件有限责任公司 光突发交换环网中实现自动保护倒换的方法、系统及节点
CN103686814B (zh) * 2013-12-25 2017-12-12 北京北方烽火科技有限公司 基带单元、基站以及基站系统
CN105279070B (zh) * 2015-10-14 2018-05-04 安徽四创电子股份有限公司 用于时间同步装置的总线通信方法及装置

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CN1620161A (zh) * 2003-11-21 2005-05-25 三菱电机株式会社 移动通信系统以及主基站和从基站
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CN102378186A (zh) * 2011-11-21 2012-03-14 中兴通讯股份有限公司 一种基站资源共享系统及方法
CN102378233A (zh) * 2011-11-21 2012-03-14 中兴通讯股份有限公司 一种提高无线通讯网络系统可靠性的方法及系统

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JP2012523189A (ja) * 2009-04-23 2012-09-27 エヌイーシー ヨーロッパ リミテッド ネットワークの動作方法およびネットワーク

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1620161A (zh) * 2003-11-21 2005-05-25 三菱电机株式会社 移动通信系统以及主基站和从基站
CN101217402A (zh) * 2008-01-15 2008-07-09 杭州华三通信技术有限公司 一种提高集群可靠性的方法和一种高可靠性通信节点
CN101754412A (zh) * 2008-12-08 2010-06-23 中兴通讯股份有限公司 Gsm系统中实现基站群本地交换的方法、设备及系统
CN102378186A (zh) * 2011-11-21 2012-03-14 中兴通讯股份有限公司 一种基站资源共享系统及方法
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