Method of rapid restoring position memory data for GSM system

A GSM system, fast recovery technology, applied in network data management, selection devices, electrical components, etc., can solve problems such as shock, uneven system traffic, affecting system stability, etc., to prevent data loss.

Inactive Publication Date: 2008-05-14
南通国邦科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If these data are saved in the hard disk before the VLR is reset, and the data is restored from the hard disk after the reset, it will be very time-consuming, the VLR startup time is too long, and the service interruption time is also very long; User calls, called, sending and receiving short messages, etc.), the system passively obtains data from the HLR, which will lead to uneven system traffic, which may have an impact on MSC, VLR, and HLR, and affect system stability

Method used

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Embodiment Construction

[0010] The technical solution of the present invention is to consider saving the user identifier IMSI in the VLR, and the IMSI is only 8 BYTEs, so it can be recorded in the hard disk or other external memory at any time without affecting the performance of the VLR. Since the interface between VLR and HLR is a standard interface stipulated by the GSM protocol, when the VLR is reset, the VLR will automatically adjust to read the IMSI from the hard disk according to the system load, and use the standard service stipulated by the GSM protocol to actively obtain the data signed by the user from the HLR. .

[0011] Technical scheme of the present invention can be divided into two parts and realize:

[0012] 1. Dynamically store the user identification IMSI in the hard disk or other external storage

[0013] When the user roams to a new VLR and registers in the VLR, the VLR judges that it is a new user, and then initiates a location update to the HLR. After the location update is co...

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Abstract

Disclosed is a way recovering quickly the VLR data in the GSM. It keeps user identifier (IMSI) in the VCR, and the IMCI (8 bytes) can save to the hardware in any time. Because the interface of the VLR and HLR is canonical interface provided by the GSM, the VLR can read IMSI from the hardware according to the system load when VLR resets, and acquires user customized data from the HLR based on the GSM protocol. Thus is avoids thempact resulted from unbalanced load when VLR resets, reduce startup time of the MSC and the VLR.

Description

technical field [0001] The present invention relates to mobile communication technology, more specifically, to a method for quickly restoring location memory data in the GSM system. Background technique [0002] In the GSM system, all data subscribed by a user are stored in its home location register (HLR). When a user roams to a new location area (LAC), the mobile phone automatically updates its location. At this time, the visitor location register (hereinafter referred to as VLR) initiates location update to the user's home location register (hereinafter referred to as HLR), and obtains all the data signed by the user. , and save it in the VLR; when the user roams out of the MSC server, the user will initiate a location update to the HLR under another MSC, and at this time the HLR will initiate a delete user data request to the original VLR, and the original VLR will delete the user records. [0003] Therefore, in the MSC system, the subscription data of all users in the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04Q7/20H04W8/00H04W8/02
Inventor 季坤
Owner 南通国邦科技发展有限公司
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