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HPLMN reelecting method for user mobile terminal

A user mobile and terminal technology, applied in access restrictions, electrical components, wireless communication, etc., can solve problems such as inapplicability, and achieve the effect of good mobile communication services, flexible and convenient function selection

Inactive Publication Date: 2009-07-08
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this method is not applicable when the operator's 2G and 3G networks use the same PLMN number

Method used

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  • HPLMN reelecting method for user mobile terminal

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0023] The core idea of ​​the present invention is to pass the HPLMN access selection field EF of the Universal Subscriber Identity Module USIM card in the mobile terminal of the user HPLMNwAcT Set the HPLMN number and the preferred network access technology in the HPLMN reselection process to determine the PLMN and network access mode at the same time, so that even if the same PLMN number occurs, the specified type of network can be preferentially selected, such as 3G technology network to obtain better mobile communication services.

[0024] The present invention will be further described below in conjunction with the accompanying drawings.

[0025] like figure 1 Shown, will carry out EF in the USIM card in the processing flow of the present invention HPLMNwAcT for the setup, i.e. take step 11: In setting EF HPLMNwAcT , the HPLMN number of the user's mobile terminal and the preferred network access method shall be indicated. Among them, USIM card EF HPLMNwAcT The HPLMN ...

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Abstract

The invention discloses a HPLMN reselection method for a mobile terminal of a user. In the method, the HPLMN number and the preferred network access mode are set in the HPLMN access mode selection field EFHPLMNwAcT of the USIM card of the mobile terminal of the user, so that Even when the same PLMN number appears, a specified type of network such as a network using 3G technology can be preferentially selected to obtain better mobile communication services. The present invention does not need to modify and upgrade the code itself of the software system of the network equipment, and also accommodates the existing HPLMN reselection technology to provide more flexible and convenient function selection.

Description

technical field [0001] The invention relates to a mobile communication terminal access technology, in particular to a HPLMN (home public land mobile network) reselection method for a mobile terminal of a user. Background technique [0002] Now, the second generation of mobile communication 2G is developing towards the third generation of mobile communication 3G. During the development process, the second generation of mobile communication 2G will coexist with the third generation of mobile communication 3G for a long time. In particular, in the initial stage of 3G network construction, when the 3G network has not achieved full and continuous coverage and completely replaces the 2G network, it is even more necessary to realize intercommunication and share network resources with the existing 2G network. [0003] In the network environment where the 2G network and the 3G network coexist, when the 3G mobile phone moves to a place where the 3G network cannot cover but the 2G netw...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W48/16H04W48/18H04W8/04
CPCH04W48/18H04W8/04
Inventor 夏利民
Owner HUAWEI TECH CO LTD