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Method and device for automatic switching of imsi

A technology of automatic switching and switching modules, applied in the field of communication, can solve problems such as poor user experience and achieve good user experience.

Inactive Publication Date: 2011-12-28
HUAWEI DEVICE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The user needs to judge which subnet is currently entered, which IMSI should be selected, and then manually select the switch. In the actual use of this method, not only the user experience is poor, but also unnecessary roaming may occur due to the wrong judgment of the user. Tariff

Method used

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  • Method and device for automatic switching of imsi
  • Method and device for automatic switching of imsi
  • Method and device for automatic switching of imsi

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] The embodiment of the present invention provides a method for automatic IMSI switching, see figure 1 , the method flow includes:

[0028] 101: Obtain the PLMN identifier of the PLMN currently accessed by the user;

[0029] For this step, optionally, the PLMN identifier can be extracted from the location area identifier or the routing area identifier, or the last PLMN identifier added to the forbidden PLMN list can be obtained.

[0030] 102: Determine whether there is an IMSI that matches the PLMN identifier in the IMSI list, if yes, perform step 103, otherwise, the process ends;

[0031] 103: If there is a matching IMSI, switch to the matching IMSI, and the process ends.

[0032] The method provided by the embodiment of the present invention obtains the PLMN identifier of the PLMN currently visited by the user, and judges whether there is an IMSI matching the PLMN identifier in the IMSI list, and if so, switches to the matching IMSI, thereby realizing a single The fu...

Embodiment 2

[0036] After the UE roams to a new VPLMN, it initiates a registration request to the VPLMN, and the VPLMN accepts the registration of the UE and allows roaming. Then, according to the agreement, the UE obtains the LAI and RAI of the current VPLMN from the network downlink message, and sends the acquired LAI Update to the EFLOCI file in the SIM card, and update RAI to the EFPSLOCI file in the SIM card. That is to say, every time the LAI and RAI change, the UE will update the corresponding file in the SIM card. Therefore, the embodiment of the present invention provides a method for automatic IMSI switching, which can be implemented by the SIM card through the SIM card. STK application program to execute, but not limited to this, for example, it can also be implemented by modifying the program on the UE. see figure 2 , the method flow includes:

[0037] 201: The SIM card detects whether at least one of the LAI and the RAI is updated, and if so, execute step 202, otherwise, th...

Embodiment 3

[0048] After the UE roams to a new VPLMN, it initiates a registration request to the VPLMN. The VPLMN rejects the registration of the UE and does not allow roaming. Then, according to the protocol, the UE adds the PLMN identifier of the VPLMN to the EFFPLMN file in the SIM card. PLMN (FPLMN) list. That is to say, if the UE moves to a VPLMN that does not support roaming, the PLMN identifier of the VPLMN will be added to the forbidden PLMN list in the EFFPLMN file in the SIM card. Therefore, the embodiment of the present invention provides an IMSI automatic The handover method, the method may be executed by the SIM card through the STK application program in the SIM card, but is not limited thereto, for example, it may also be implemented by modifying the program on the UE. see image 3 , the method flow includes:

[0049] 301: The SIM card acquires the last PLMN identifier added to the forbidden PLMN list;

[0050] This step is used to obtain the PLMN identifier of the PLMN ...

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Abstract

A method and an apparatus for switching an international mobile subscriber identity, IMSI are provided. The method includes: acquiring public land mobile network, PLMN identification of a PLMN being currently visited by a user; judging whether an IMSI matching the PLMN identification exists in an IMSI list; and if yes, switching to the matching IMSI. Through the method the PLMN identification of the PLMN being currently visited by the user is acquired, the IMSI matching the PLMN identification is searched for in the IMSI list, and then the matching IMSI is switched to. In this way, a function of automatic switching among multiple IMSIs in a single SIM card is implemented, the user does not need to choose which IMSI to be switched to manually, user experience is good, and it is ensured to switch to a proper IMSI to provide a local charge for the user.

Description

technical field [0001] The invention relates to the communication field, in particular to an IMSI automatic switching method and device. Background technique [0002] At present, some inter-regional operators have multiple subnets at the same time, and each subnet has its own unique PLMN (Public Land Mobile Network, public land mobile network) identifier. The PLMN logo is composed of MCC (Mobile Country Code, mobile country code) and MNC (Mobile Network Code, mobile network code), where MCC is composed of 3 digits and is used to uniquely identify a country, such as 460 for China; MNC is composed of Composed of 2 or 3 digits, it is used to uniquely identify a certain network. For example, the MNC of China Mobile is 00, and the MNC of China Unicom is 01. Further, the PLMN identifier and the MSIN (Mobile Subscriber Identification Number, mobile subscriber identification code) together form the IMSI (International Mobile Subscriber Identity, International Mobile Subscriber Iden...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W8/04H04W8/26
CPCH04W8/183
Inventor 陈荣胜
Owner HUAWEI DEVICE CO LTD