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WO2009082976A1 - Procédé et appareil de communication - Google Patents

Procédé et appareil de communication Download PDF

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Publication number
WO2009082976A1
WO2009082976A1 PCT/CN2008/073801 CN2008073801W WO2009082976A1 WO 2009082976 A1 WO2009082976 A1 WO 2009082976A1 CN 2008073801 W CN2008073801 W CN 2008073801W WO 2009082976 A1 WO2009082976 A1 WO 2009082976A1
Authority
WO
WIPO (PCT)
Prior art keywords
bsc
module
pool
bts
msc
Prior art date
Application number
PCT/CN2008/073801
Other languages
English (en)
Chinese (zh)
Inventor
Jianhui Yao
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
Priority claimed from CN2008100843577A external-priority patent/CN101267601B/zh
Priority claimed from CNA2008100843596A external-priority patent/CN101247567A/zh
Application filed by Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Publication of WO2009082976A1 publication Critical patent/WO2009082976A1/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
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/12—Access point controller devices

Definitions

  • the present invention claims the Chinese patent application filed on December 27, 2007, the Chinese Patent Office, the application number is 200710301799.8, and the invention name is "a networking method of BSC POOL", on December 27, 2007.
  • the Chinese patent application submitted to the China Patent Office, application number 200710198671.3, and the invention name is "a BSC POOL interaction method" was submitted to the Chinese Patent Office on March 19, 2008, and the application number is 200810084359.6.
  • the invention name is "a kind of Chinese Patent Application for "Method and Apparatus for Realizing BSC POOL", and Chinese Patent Application filed on March 19, 2008, to the Chinese Patent Office, Application No. 200810084357.7, entitled “Communication Network Networking Method and Apparatus” Priority is hereby incorporated by reference in its entirety.
  • Embodiments of the present invention relate to mobile communication network technologies, and in particular, to a communication method and apparatus. Background technique
  • Fig. 1 the networking structure of the wireless communication system is as shown in Fig. 1:
  • One base station BTS (Base Transceiver Station) can be divided into one or more logical cells CELL; each CELL has a CGI (Cell Global Identity).
  • CGI Cell Global Identity
  • the Dependent BSC Base Station Controller
  • MSC Mobile Switching Center
  • the base station BTS to which the BSC is connected will not be able to provide mobile communication services, and the time for repairing a BSC is usually several tens of minutes or more. Even for a few hours, this will cause the network users under the BSC coverage area to be unable to communicate for a long time.
  • the capacity of the BSC was generally several hundred carriers, and the coverage was relatively small. This shortcoming is not obvious. However, with the development of technology, the capacity of the BSC is also increasing. Now, the capacity of the BSC can be more than 4 ⁇ . It has reached more than 2000 carriers and even reached more than 3,000 carriers. The coverage of such a large-capacity BSC is also much larger than in the past. This shortcoming is particularly noticeable after the application of the large-capacity base station controller, which poses a great threat to the reliability of the wireless network.
  • Embodiments of the present invention provide a communication method and apparatus to improve the reliability of a mobile communication network.
  • an embodiment of the present invention provides a communication method, which includes the following steps:
  • a new BSC is selected to replace the BSC for work.
  • an embodiment of the present invention further provides a communication device, including:
  • the BSC replacement module is configured to: when a BSC working state in the communication network is abnormal, select a new BSC to replace the BSC according to the BSC selection policy set by the selection policy setting module.
  • the embodiment of the present invention has the following advantages: selecting a new BSC according to the established BSC selection policy to replace the BSC with abnormal working status, and overcoming a situation in which a BSC is abnormal,
  • the affiliated BTS cannot work normally, affecting the insufficiency of user service usage within the network coverage, thereby achieving the effect of improving the reliability of the mobile communication network.
  • FIG. 1 is a schematic diagram of a network structure of a mobile communication system in the prior art according to the present invention
  • FIG. 2 is a schematic flowchart of a communication method according to Embodiment 1 of the present invention
  • FIG. 3 is another communication method according to Embodiment 2 of the present invention
  • FIG. 4 is a schematic structural diagram of a mobile communication system networking after implementing the BSC POOL technology according to an embodiment of the present invention
  • FIG. 5 is a BSC composed of BSC and BTS using IP transmission according to Embodiment 3 of the present invention.
  • FIG. 6 is a BSC composed of a BSC and a BTS using TDM transmission according to Embodiment 4 of the present invention
  • FIG. 7 is a schematic structural diagram of another communication device according to Embodiment 5 of the present invention.
  • FIG. 8 is a schematic structural diagram of a communication device according to Embodiment 6 of the present invention;
  • FIG. 9 is another communication device according to Embodiment 6 of the present invention. Schematic. detailed description
  • FIG. 2 it is a flowchart of a communication method according to Embodiment 1 of the present invention. Includes the following steps:
  • Step S201 Set a base station controller BSC selection policy.
  • Step S202 When an abnormality occurs in a working state of a BSC in the communication network, select a new BSC to replace the BSC according to the BSC selection policy.
  • one or multiple BSCs under the MSC may be first divided into one BSC POOL.
  • an BSC operating state of the BSC POOL is abnormal, according to the BSC selection policy, in other BSCs of the BSC POOL.
  • a new BSC is selected to replace the BSC for work.
  • the BSC working status is abnormal, including: BSC is faulty; or, the connection between the BTS and the home BSC is faulty; or, the performance parameter of the BSC is lower than the preset normal working parameters.
  • a new BSC is selected in the other BSCs in the BSC POOL, and the BSC with abnormal working status is replaced.
  • the new BSC replaces the home BSC and controls the BTS in which the connection fails.
  • the BTS communicates with the BSC through an IP (Internet Protocol) transmission network; or the BTS communicates with the BSC through a TDM (Time Division Multiplex) transmission network.
  • IP Internet Protocol
  • TDM Time Division Multiplex
  • the embodiment may further include:
  • the new BSC sends an instruction to update the BSC to the MSC.
  • the command for updating the BSC includes: the identifier information of the cell CELL and the new home BSC, and the MSC can update the correspondence between the CELL and the home BSC according to the information to implement the communication service.
  • the MSC receives feedback on the update command.
  • a BSC selection policy is established.
  • the BTS to which it belongs can still work normally, and does not affect the user service usage within the network coverage, thereby improving the reliability of the mobile communication network. Sexual effect.
  • Embodiment 2 of the present invention provides another communication method for improving the reliability of a mobile communication network by forming a BSC POOL.
  • the flow of this method is shown in Figure 3.
  • the BSC POOL networking method of the embodiment of the present invention forms a mobile communication network including the BSC POOL as shown in FIG. 4, including:
  • Step S301 Set a BSC selection policy to determine that when the BSC is abnormal, select a new BSC and replace the faulty BSC to work.
  • the method further includes dividing a plurality of BSCs in one or more MSCs into one BSC POOL.
  • BSC POOL in a normal state, each BTS belongs to only one BSC, and one BSC may include One or more BTSs, under each BTS, contain multiple logical cells CELL.
  • BTS 1 belongs to BSC 1 only, while BSC 1 contains BTS 1 and BTS 2 BTS, and BTS 1 contains CEI 1 and CEI 2.
  • establishing a BSC POOL under the plurality of MSCs may be implemented by using MSC POOL.
  • the abnormal work conditions mentioned in this step include:
  • BSC fails, all BTSs under the BSC cannot work normally. As shown in Figure 4, if BSC 1 fails, neither BTS 1 nor BTS 2 can work normally; or,
  • BTS cannot work under the home BSC, but does not affect the work of other BTSs under the home BSC, as in Figure 4, between BTS 1 and BSC 1 If the connection is broken, BTS 1 cannot continue Working under BSC 1, but at the same time, the work of BTS 2 is not affected.
  • the BTS belonging to the BSC can also be replaced by a new BSC to ensure the normal operation of the BTS.
  • Step S302 Determine whether the BSC in the BSC POOL is faulty, and distinguish the cause of the fault in the event of a fault, that is, whether the BSC fault or the connection fault between the BTS and the BSC causes the BSC to work abnormally.
  • step S305 If there is no working abnormality in the BSC in the BSC POOL, go to step S305;
  • step S303 If there is a working abnormality in the BSC in the BSC POOL, and the cause of the abnormal operation is caused by the BSC failure, the process proceeds to step S303;
  • step S304 If the BSC in the BSC POOL has an abnormal operation and the cause of the abnormal operation is caused by the interruption of the connection between the BTS and the home BSC, the process proceeds to step S304.
  • Step S303 When a BSC fails or the performance parameter is lower than the preset normal working parameter, according to the BSC selection policy, in the other BSCs in the BSC POOL, a new BSC is selected, the faulty BSC is replaced, and the faulty BSC control is controlled. All BTSs within range.
  • step S305 After the replacement is completed, the process proceeds to step S305.
  • Step S304 when the connection between a BTS and the home BSC is interrupted, according to the BSC selection policy, in the other BSCs in the BSC POOL, a new BSC is selected, the home BSC is replaced, and the BTS is controlled to work, but at the same time, The attribution of other BTSs under the home BSC is not changed.
  • step S305 After the replacement is completed, the process proceeds to step S305.
  • Step S305 Communicate according to a matching rule of the BSC and the BTS.
  • the CGI used by the cell CELL under each BTS may not change.
  • the new BSC may also send a BSC update command to the MSC to notify the MSC that the current home BSC of the CELL is new.
  • the update instruction includes the identification information of the CELL and the new BSC, and the MSC can update according to the information.
  • the correspondence between the CELL and the home BSC implements a communication service.
  • the BSC update instruction may specifically be a CELL_Register_Req instruction.
  • the MSC After receiving the new BSC update command, the MSC sends a feedback message to the new BSC.
  • the feedback of the MSC received by the new BSC to the BSC update instruction is successful, the current update is completed; when the feedback of the MSC received by the new BSC to the command to update the BSC is failed, the new The BSC will again send a BSC update command to the MSC.
  • the maximum time allowed for the MSC to provide feedback to the BSC update command may be set as the response time.
  • the new BSC will again A BSC update command is sent to the MSC.
  • the feedback of the BSC update instruction may specifically be the CELL_Register_Ack instruction.
  • the network communication mode between the BTS and the BSC mainly includes the following two situations:
  • the BTS communicates with the BSC through an IP transmission network
  • the BTS communicates with the BSC through the TDM transmission network.
  • the BTS and the BSC use the IP transmission to form a BSC POOL network, including:
  • the BTS and the BSC use the IP transport network to establish a connection. As shown in Figure 5, the BSC and each BTS establish a connection through the IP transport network formed by the IP router.
  • the BTS communicates with the BSC through an IP address.
  • the transmission connection between the BTS and the BSC is compared, that is, the IP address matching between the two IP routers is used for communication transmission.
  • the IP address is re-matched by the IP router, and IP communication is established between the matching BSC and the BTS.
  • the BSC is selected according to the BSC selection policy. 2 Replace BSC 1 to control BTS 1
  • the IP address matching is performed by the IP routers of the BTS 1 and the BSC 2, so that the BTS 1 can re-establish IP communication with the BSC 2.
  • BSC 2 sends a BSC update command to the MSC to inform the MSC that the current BSC of CELL 1 and CELL 2 is BSC 2.
  • the update instruction includes the identification information of CELL 1, CELL 2 and BSC 2.
  • the MSC can update the correspondence between CELL 1, CELL 2 and the home BSC 2 according to the information to implement the communication service.
  • the BSC update instruction may specifically be a CELL_Register_Req instruction.
  • the MSC After receiving the BSC update command of BSC 2, the MSC sends a feedback message to BSC 2.
  • the update is completed; when the feedback received by the BSC 2 on the BSC update command fails, the BSC 2 sends the BSC update command to the MSC again.
  • the maximum time allowed for the MSC to provide feedback to the BSC update command may be set as the response time.
  • the BSC 2 sends the BSC 2 again to the MSC.
  • BSC update instructions In practical applications, the feedback of the BSC update instruction may specifically be a CELL_Register_Ack instruction.
  • the BTS 1 can continue to provide communication services.
  • the BTS and the BSC use TDM transmission to form a BSC POOL network, and the communication process includes the following points:
  • the difference between the fourth embodiment of the present invention and the third embodiment of the present invention is that the BTS and the BSC are connected by TDM transmission.
  • the networking mode requires the BTS to provide physical connection with multiple BSCs, such as As shown in Figure 6, there is an actual physical connection between 8 and 8 (1, BSC 2 and BSC n).
  • the BSC 2 can be selected to continue the control of the BTS 1, and the BTS 1 passes the new physical connection. Reestablish TDM communication with BSC 2.
  • the CELL under the BTS 1 works under the BSC 2
  • the BSC 2 may also send a BSC update command to the MSC to notify the MSC that the current home BSC of the CELL is the BSC 2.
  • the update instruction includes the identification information of the CELL and the BSC 2, and the MSC can update the correspondence between the CELL and the home BSC according to the information to implement the communication service.
  • the BSC update instruction may specifically be a CELL_Register_Req instruction.
  • the MSC After receiving the BSC update command, the MSC sends a feedback message to the BSC 2.
  • the feedback of the MSC received by the BSC 2 to the BSC update command is successful, the current update is completed; when the feedback of the MSC received by the BSC 2 to the command to update the BSC is failed, the BSC 2 will again A BSC update command is sent to the MSC.
  • the maximum time allowed for the MSC to provide feedback to the BSC update command may be set as the response time. Then, when the MSC does not receive feedback on the updated BSC command within the response time, the BSC 2 will again The MSC sends a BSC update command.
  • the feedback of the BSC update instruction may specifically be a CELL_Register_Ack instruction.
  • the technical solution of the embodiment of the present invention overcomes the situation that a BSC is abnormal after the BSC POOL is established in the existing mobile communication network, and the BSC selection policy is established. Insufficient use of user services within the network coverage, thereby achieving the effect of improving the reliability of the mobile communication network.
  • FIG. 7 is a schematic structural diagram of a communication apparatus according to Embodiment 5 of the present invention, including:
  • the BSC replacement module 2 is configured to: when a BSC working state in the communication network meets the preset condition, select a new BSC to replace the BSC according to the BSC selection policy set by the selection policy setting module 1.
  • the selection policy setting module 1 further includes:
  • the BSC POOL sub-module 11 is configured to divide multiple BSCs under one or more MSCs into BSC POOLs.
  • the BSC replacement module 2 also includes:
  • the working state identification sub-module 21 is configured to determine the BSC POOL dividing sub-module 11 Whether the BSC working state in the divided BSC POOL meets the preset condition and identifies the preset condition;
  • the BSC selection sub-module 22 is configured to: when the BSC working state in the BSC POOL divided by the BSC POOL dividing sub-module 11 meets a preset condition, according to the BSC selection policy set by the selection policy setting module 1, in the BSC POOL sub-module In the other BSCs of the BSC POOL divided into 11, select a new BSC;
  • the BSC fault replacement sub-module 23 is configured to replace the faulty BSC with the new BSC selected by the BSC selection sub-module 22 when the working state identification sub-module 21 recognizes that the preset condition is that the BSC fails, and control the BTS within the control range of the faulty BSC. ;
  • the connection interruption replacement sub-module 24 is configured to: when the working state identification sub-module 21 recognizes that the preset condition is that the connection between the BTS and the home BSC fails, replace the home BSC with the new BSC selected by the BSC selection sub-module 22, and control Connect the failed BTS.
  • the communication device further includes:
  • the replacement information feedback module 3 is configured to notify the MSC of the replacement information when the new BSC selected by the BSC replacement module 2 replaces the BSC whose working status meets the preset condition.
  • Embodiment 6 of the present invention further provides a communication device, and the structure thereof is as shown in FIG. 8, which includes:
  • the BSC replacement module 20 is configured to select a new BSC to replace the BSC to work when a BSC working state in the communication network is abnormal, according to the BSC selection policy set by the selection policy setting module 10.
  • the communication device may further include the following modules, and a schematic structural view thereof is shown in FIG.
  • the base station controller pool division module 30 is configured to divide multiple BSCs under one or more MSCs into one BSC POOL.
  • the BSC replacement module 20 may include:
  • the working state identification sub-module 201 is configured to determine whether an abnormality occurs in the BSC working state in the BSC POOL divided by the base station controller pool dividing module 30.
  • the abnormality of the BSC working state includes: the BSC is faulty, or the connection between the BSC and the BTS controlled by the BSC is faulty, or the performance parameter of the BSC is lower than a preset normal working parameter;
  • the BSC selection sub-module 202 is configured to: when the working status identification sub-module 201 identifies that the BSC working status in the BSC POOL is abnormal, according to the BSC selection policy set by the selection policy setting module 10, partitioning in the base station controller pool In the other BSCs of the BSC POOL divided by the module 30, a new BSC is selected;
  • the BSC replacement sub-module 203 is configured to: when the working status identification sub-module 201 identifies that the BSC is faulty or the performance parameter of the BSC is lower than a preset normal operating parameter, the new BSC selected by the BSC selection sub-module 202 is used. Replacing the BSC in which the working state is abnormal, and controlling all BTSs in the BSC control range in which the working state is abnormal;
  • the connection interruption replacement sub-module 204 is configured to replace the BSC with the new BSC selected by the BSC selection sub-module 202 when the working state identification sub-module 201 identifies that the connection between the BSC and the BTS controlled by the BSC is faulty, and controls The connection is a failed BTS.
  • the communication device may further include:
  • the instruction sending module 40 is configured to: after the BSC selected by the BSC replacement module 20 replaces the BSC in which the working state is abnormal, send an instruction to update the BSC to the MSC;
  • the information receiving module 50 is configured to receive feedback information that the MSC sends an instruction to update the BSC sent by the instruction sending module 40.
  • the command for updating the BSC includes: the identification information of the cell CELL and the new home BSC, and the MSC can update the correspondence between the CELL and the home BSC according to the information to implement the communication service.
  • the communication device may further include:
  • the confirmation module 60 is configured to: when the feedback information received by the information receiving module 50 is a failure, or when the feedback is not received within the response time, the control instruction sending module 40 sends an instruction to update the BSC again.
  • the confirmation module 60 can include:
  • the information identifying sub-module 601 is configured to identify the content of the MSC feedback received by the information receiving module 50;
  • a response time setting sub-module 602 configured to set a response time
  • the response time execution sub-module 603 is configured to determine whether the information receiving module 50 receives the feedback of the MSC in the response time set by the response time setting sub-module 602;
  • the update control sub-module 604 is configured to identify the recognition result of the sub-module 601 according to the information, or respond to the judgment result of the time execution sub-module 603, and the control instruction sending module 40 transmits the update BSC instruction to the MSC again.
  • the present invention can be implemented by means of software plus a necessary general hardware platform, and of course, can also be through hardware, but in many cases, the former is a better implementation. the way.
  • the technical solution of the present invention which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a storage medium, including a plurality of instructions for making a
  • the terminal device (which may be a cell phone, a personal computer, a server, or a network device, etc.) performs the methods described in various embodiments of the present invention.
  • the above description is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can also make several improvements and retouchings without departing from the principles of the present invention. It should be considered as the scope of protection of the present invention.

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

Abstract

La présente invention concerne un procédé de communication comprenant les étapes suivantes : la définition d'une stratégie de sélection de contrôleurs de station de base (BSC) ; lorsque l'état de fonctionnement d'un BSC est anormal, la sélection d'un nouveau BSC pour remplacer le BSC et fonctionner conformément à la stratégie de sélection des BSC. Un appareil de communication est également décrit. L'invention améliore la fiabilité du réseau de communication mobile.
PCT/CN2008/073801 2007-12-27 2008-12-27 Procédé et appareil de communication WO2009082976A1 (fr)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
CN200710301799.8 2007-12-27
CN200710198671 2007-12-27
CN200710198671.3 2007-12-27
CN200710301799 2007-12-27
CN200810084359.6 2008-03-19
CN2008100843577A CN101267601B (zh) 2007-12-27 2008-03-19 一种通信网络的组网方法和装置
CNA2008100843596A CN101247567A (zh) 2007-12-27 2008-03-19 一种实现bsc pool的方法和装置
CN200810084357.7 2008-03-19

Publications (1)

Publication Number Publication Date
WO2009082976A1 true WO2009082976A1 (fr) 2009-07-09

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PCT/CN2008/073801 WO2009082976A1 (fr) 2007-12-27 2008-12-27 Procédé et appareil de communication

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WO (1) WO2009082976A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1348288A (zh) * 2000-10-13 2002-05-08 艾利森电话股份有限公司 在第三代无线接入网络中连接节点的系统和方法
CN1418023A (zh) * 2001-11-06 2003-05-14 华为技术有限公司 无线接入网中基站控制器的备份实现方法及装置
CN101247567A (zh) * 2007-12-27 2008-08-20 华为技术有限公司 一种实现bsc pool的方法和装置
CN101267601A (zh) * 2007-12-27 2008-09-17 华为技术有限公司 一种通信网络的组网方法和装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1348288A (zh) * 2000-10-13 2002-05-08 艾利森电话股份有限公司 在第三代无线接入网络中连接节点的系统和方法
CN1418023A (zh) * 2001-11-06 2003-05-14 华为技术有限公司 无线接入网中基站控制器的备份实现方法及装置
CN101247567A (zh) * 2007-12-27 2008-08-20 华为技术有限公司 一种实现bsc pool的方法和装置
CN101267601A (zh) * 2007-12-27 2008-09-17 华为技术有限公司 一种通信网络的组网方法和装置

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