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Method, system and equipment of called restoration in mobile switching centre pool

A mobile switching center and backup technology, applied in network data management, network traffic/resource management, electrical components, etc., can solve the problems that user information cannot be restored in time, the called disaster recovery function is not complete, and users cannot

Active Publication Date: 2008-04-09
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if the user does not act as the calling party or update the location during the periodic location update period, the user cannot be successfully called as the called party.
[0006] It can be seen that the called

Method used

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  • Method, system and equipment of called restoration in mobile switching centre pool
  • Method, system and equipment of called restoration in mobile switching centre pool
  • Method, system and equipment of called restoration in mobile switching centre pool

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Embodiment Construction

[0051] The method for called recovery in the MSC POOL provided by the present invention mainly includes: at first the SRI message sent by the HLR can be sent to a SERVER without downtime in the MSC POOL, and then the called party is paged on this SERVER, And after the paging response, update the user's implicit location, and then update the user's service MSC number to the HLR, so that when the user is called again, the call can be successfully established

[0052] Considering that the wireless area served by MSC POOL is very large, and each wireless area has multiple SERVER services, so the whole network paging cannot be issued in MSC POOL. In order to solve this problem, the technology of VLR data backup (VDB, VLR Data Backup) backup needs to be used. That is, the user data is backed up at the site where the paging is issued, including: International Mobile Subscriber Identity (IMSI, International Mobile Subscriber Identity) and Location Area Identity (LAI, Location Area Ide...

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Abstract

The invention discloses a method for called recovery in a mobile switching center (MSC) pool, which is used in a MSC POOL system formed a home location register (HLR) and a plurality of mobile switching center/visitor location registers (MSC/VLR). The MSC POOL system is equipped with a backup station of each MSC/VLR. If the MSC/VLR for user service is shut down and the user never originates a calling delivery or location update, when the user is called, the method comprises: HLR sends the call signaling to the backup station of the shut-down MSC/VLR; the backup station originates a call to the user and originates a location update of the user to the HLR; and the HLR registers the data of the user in the backup station and updates the MSC/VLR for user service into the backup station. The invention also discloses other methods, system and exchange equipment. the invention can solve the problems of called recovery in MSC POOL.

Description

technical field [0001] The present invention relates to mobile switching center pool (MSC POOL, Mobile Switch Center Pool) realization technology, particularly relates to the method for recovering called in MSC POOL, the system for recovering called in MSC POOL, switching equipment and signaling switching equipment. Background technique [0002] At present, the 3GPP organization has proposed a networking mode completely different from the traditional networking mode. In this networking mode, a base station controller (RNC / BSC, Radio Network Controller / Base Station Controller) can be connected to multiple servers (SERVER ), these SERVERs can form MSCPOOL. The advantages of this networking mode of MSC POOL are as follows: (1) In MSC POOL, load sharing can be realized between each server; Signal volume; (3) In the MSC POOL, reduce the interface message volume between SERVERs, thereby reducing the call drop rate; (4) During capacity expansion, the core network and access networ...

Claims

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Application Information

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IPC IPC(8): H04Q7/22H04Q7/38H04Q7/36H04W8/30H04W28/12H04W68/00
Inventor 罗华霖李世军叶思海徐礼锋朱席武
Owner HUAWEI TECH CO LTD
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