CN107333253B - Access method and device of mobile terminal - Google Patents
Access method and device of mobile terminal Download PDFInfo
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- CN107333253B CN107333253B CN201710459154.0A CN201710459154A CN107333253B CN 107333253 B CN107333253 B CN 107333253B CN 201710459154 A CN201710459154 A CN 201710459154A CN 107333253 B CN107333253 B CN 107333253B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
- H04W8/183—Processing at user equipment or user record carrier
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Abstract
The embodiment of the invention provides an access method and device of a mobile terminal. The method comprises the following steps: acquiring a first forbidden Public Land Mobile Network (PLMN) list corresponding to an operator to which a Universal Subscriber Identity Module (USIM) card belongs, wherein the first forbidden PLMN list is stored in a mobile terminal; acquiring a second forbidden PLMN list stored in the USIM card; adding a PLMN in the first forbidden PLMN list that is different from a PLMN in the second forbidden PLMN list to the second forbidden PLMN list; and performing location updating, routing updating or network registration according to the added second forbidden PLMN list. The embodiment of the invention carries out position updating, route updating or network registration according to the added second forbidden PLMN list, thereby avoiding the situation that the data service loss can not be recovered because the registered PLMN is the forbidden PLMN.
Description
Technical Field
The embodiment of the invention relates to the technical field of communication, in particular to an access method and device of a mobile terminal.
Background
With the rapid development of Mobile Communication technology, the network construction of each large operator is also rapidly developed, and the network System is developed from a single network System to support Multiple systems, such as Long Term Evolution (LTE), Wideband Code Division Multiple Access (WCDMA), Global System for Mobile Communication (GSM), Code Division Multiple Access (CDMA), and the like, so that network coverage of the same System of different operators exists in the same area.
Since the issuance of a Universal Subscriber Identity Module (USIM) card is asynchronous to the Network update, the Forbidden Public Land Mobile Network (PLMN) list (Forbidden PLMN list) of the USIM card of some operators in the prior art cannot be updated in time. When using the USIM card: when the mobile terminal using the USIM card enters an operator network to which the USIM card does not belong and the mobile terminal supports the network standard of the operator network, the mobile terminal initiates registration to the USIM card and is marked as an illegal access terminal by the operator network, that is, the network in which the mobile terminal initiates registration is a forbidden network, so that the mobile terminal loses data service capability. Even if the mobile terminal returns to the network of the operator, the data service capability still cannot be used, and the data service capability can only be recovered by means of turning on and off, setting the mobile terminal to be in a flight mode, inserting and pulling a card and the like.
Disclosure of Invention
The embodiment of the invention provides an access method and device of a mobile terminal, which are used for solving the technical problem that in the prior art, because a forbidden PLMN list of a USIM card is not updated in time, a network which initiates registration of the mobile terminal is a forbidden network, and the mobile terminal loses data service capability.
In a first aspect, an embodiment of the present invention provides an access method for a mobile terminal, including:
acquiring a first forbidden Public Land Mobile Network (PLMN) list corresponding to an operator to which a Universal Subscriber Identity Module (USIM) card belongs, wherein the first forbidden PLMN list is stored in a mobile terminal;
acquiring a second forbidden PLMN list stored in the USIM card;
adding a PLMN in the first forbidden PLMN list that is different from a PLMN in the second forbidden PLMN list to the second forbidden PLMN list;
and performing location updating, routing updating or network registration according to the added second forbidden PLMN list.
In a second aspect, an embodiment of the present invention provides an access apparatus for a mobile terminal, including:
the system comprises an acquisition module, a management module and a control module, wherein the acquisition module is used for acquiring a first forbidden Public Land Mobile Network (PLMN) list corresponding to an operator to which a Universal Subscriber Identity Module (USIM) card belongs, which is stored in a mobile terminal;
the obtaining module is further configured to obtain a second forbidden PLMN list stored in the USIM card;
a processing module configured to add a PLMN in the first forbidden PLMN list that is different from a PLMN in the second forbidden PLMN list to the second forbidden PLMN list;
and the processing module is further used for performing location updating, routing updating or network registration according to the added second forbidden PLMN list.
The access method and the access device of the mobile terminal provided by the embodiment of the invention are used for acquiring a first PLMN list corresponding to an operator to which a USIM card stored in the mobile terminal belongs and a second forbidden PLMN list stored in the USIM card; further, adding a PLMN in the first forbidden PLMN list, which is different from a PLMN in the second forbidden PLMN list, to the second forbidden PLMN list; and performing network registration according to the added second forbidden PLMN list to enable the PLMN in the second forbidden PLMN list to be the latest forbidden PLMN, and performing location updating, routing updating or network registration by the mobile terminal according to the added second forbidden PLMN list, namely performing location updating, routing updating or network registration on the PLMN out of the second forbidden PLMN list, thereby avoiding the situation that data service loss cannot be recovered due to the fact that the registered PLMN is the forbidden PLMN.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a flowchart illustrating a first embodiment of an access method of a mobile terminal according to the present invention;
fig. 2 is a block diagram of an embodiment of an access device of a mobile terminal according to the present invention;
fig. 3 is a block diagram of another embodiment of an access device of a mobile terminal according to the present invention;
fig. 4 is a block diagram of an embodiment of a mobile terminal provided in the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The method and the device aim at solving the problem that the network for initiating registration of the mobile terminal is a forbidden network and the mobile terminal loses data service capability because the forbidden PLMN list of the USIM card is not updated in time.
The technical solution of the present invention will be described in detail below with specific examples. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments.
Fig. 1 is a flowchart illustrating a first embodiment of an access method of a mobile terminal according to the present invention. The execution subject of the method is an access device of the mobile terminal, and the device can be arranged in the mobile terminal. As shown in fig. 1, the method of this embodiment may include:
The mobile terminal can pre-store forbidden PLMN lists corresponding to various operators; and the forbidden PLMN list comprises the PLMNs of the operators which are forbidden to be accessed by the USIM card of the mobile terminal.
In this step, when a USIM card of a mobile terminal performs location update, routing update, or network registration on a certain PLMN network, a first PLMN list corresponding to an operator to which the USIM card stored in the mobile terminal belongs is acquired.
The first PLMN list may be stored in an Encrypted File System (EFS) storage area of the mobile terminal.
The storage can be specifically performed in the form of a file.
The data stored in the EFS storage area cannot be deleted by a user, and corresponding data can be retained even when the mobile terminal is restored to factory settings, so that the data is stored in the EFS storage area, and the security of the first PLMN list is better.
And 102, acquiring a second forbidden PLMN list stored in the USIM card.
The steps 101 and 102 are not in sequence, that is, the step 101 may be executed first and then the step 102 is executed, or the step 102 may be executed first and then the step 101 is executed, which is not limited in the present invention.
In this step, the second forbidden PLMN list may be obtained by reading data stored in the USIM card.
In this step, when the USIM card performs location update, routing update, or network registration on a certain PLMN network, it is necessary to determine whether the PLMN network allows the USIM card to perform location update, routing update, or network registration according to the second forbidden PLMN list read from the USIM card. A PLMN stored in the mobile terminal in the first forbidden PLMN list, which is different from the PLMN in the second forbidden PLMN list, is thus added to the second forbidden PLMN list.
Illustratively, the first forbidden PLMN list includes: PLMN1, PLMN2, PLMN3, the second forbidden PLMN list comprising: PLMN2, PLMN3, PLMN1 is added to the second forbidden PLMN list.
And step 104, updating the position, updating the route or registering the network according to the added second forbidden PLMN list.
Specifically, according to the added second forbidden PLMN list, the PLMN which is forbidden to access is determined, and location update, routing update or network registration is performed on PLMNs outside the second forbidden PLMN list.
The access method of the mobile terminal provided by this embodiment obtains a first PLMN list corresponding to an operator to which a USIM card stored in the mobile terminal belongs, and a second forbidden PLMN list stored in the USIM card; further, adding a PLMN in the first forbidden PLMN list, which is different from a PLMN in the second forbidden PLMN list, to the second forbidden PLMN list; and performing network registration according to the added second forbidden PLMN list to enable the PLMN in the second forbidden PLMN list to be the latest forbidden PLMN, and performing location updating, routing updating or network registration by the mobile terminal according to the added second forbidden PLMN list, namely performing location updating, routing updating or network registration on the PLMN out of the second forbidden PLMN list, thereby avoiding the situation that data service loss cannot be recovered due to the fact that the registered PLMN is the forbidden PLMN.
On the basis of the above embodiment, further, before the step 101, the following steps may be included:
and determining the operator of the USIM card according to the integrated circuit card identification code ICCID or the international mobile subscriber identification code IMSI of the USIM card.
Specifically, an integrated Circuit Card identification code (ICCID) is a USIM Card number, the ICCID is a unique identification number of the USIM Card, and is composed of 20 digits, and the first six digits are operator codes: china moves about: 898600, 898602, China Unicom: 898601, 898609, china telecom 898603, 898606. The operator to which the USIM card belongs can be determined from the ICCID.
An International Mobile Subscriber Identity (IMSI) is a mark for distinguishing a Mobile Subscriber, is stored in the USIM card, and can be used to distinguish valid information of the Mobile Subscriber. The total length of the device does not exceed 15 bits, and numbers ranging from 0 to 9 are also used. The format is Mobile Country Code (MCC for short), Mobile Network Number (MNC for short), Mobile Subscriber Identification Number (MSIN for short), wherein the MCC is the Code Number of the Country to which the Mobile Subscriber belongs, and occupies 3 digits, and the MCC of China is 460; the MNC is a mobile network number, consists of two or three digits and is used for identifying the mobile communication network to which the mobile user belongs, and the MNC of China mobile is 00; MSIN is a mobile subscriber identification number used to identify a mobile subscriber in a mobile communications network. The operator to which the USIM card belongs can be determined from the IMSI.
On the basis of the foregoing embodiment, further, the method of this embodiment further includes the following steps:
the first forbidden PLMN list is updated by version upgrade.
Specifically, the first forbidden PLMN list may be updated through a version upgrade, such as an OTA upgrade method, so as to ensure that the first forbidden PLMN list stored in the mobile terminal is the latest forbidden PLMN list.
The OTA remotely manages the first forbidden PLMN list stored in the mobile terminal through the air interface of the mobile communication network, i.e. the mobile terminal may update the first forbidden PLMN list through a wireless download.
Because the first forbidden list is written in the EFS file, when version upgrading is carried out, the new EFS file in the software version can replace the previous file so as to achieve the purpose of updating the first forbidden list.
On the basis of the foregoing embodiment, further, the method of this embodiment further includes the following steps:
if the mobile terminal receives the access refusal message returned by the network side, judging whether the USIM card is in a defaulting state;
if not, judging whether the PLMN registered by the mobile terminal is the network of the operator to which the USIM card belongs;
and if not, adding the PLMN registered by the mobile terminal into the first forbidden PLMN list.
Specifically, the first forbidden PLMN list may also be dynamically updated, and the specific implementation method is as follows:
when the mobile terminal is rejected by the network and the data service is lost, firstly, whether the USIM card is in a defaulting state is judged. I.e. to determine whether the mobile terminal is denied access to the network due to an arrears.
If the USIM card is in the arrearage state, the flow ends.
And if the USIM card is not in the arrearage state, whether the PLMN registered by the mobile terminal is the network of the operator to which the USIM card belongs is judged.
If the PLMN is the network of the operator to which the USIM card belongs, access may be denied for other reasons and the procedure ends.
And if the PLMN is not the network of the operator to which the USIM card belongs, adding the PLMN into the first forbidden PLMN list, and completing automatic updating.
The format of the PLMN is MCC + MNC, for example, the PLMN in china mobile is 46000, and the PLMN in china unicom is 46001, so that it can be determined whether it is the network of the operator to which the USIM card belongs according to the PLMN.
The dynamic updating method and the version upgrading can more comprehensively ensure that the first forbidden PLMN list stored in the mobile terminal is the latest forbidden PLMN list.
Fig. 2 is a structural diagram of an embodiment of an access device of a mobile terminal provided in the present invention, and as shown in fig. 2, the access device of the mobile terminal of the present embodiment may include:
an acquisition module 201 and a processing module 202;
the acquiring module 201 is configured to acquire a first forbidden public land mobile network PLMN list corresponding to an operator to which a universal subscriber identity module USIM card stored in the mobile terminal belongs;
the obtaining module 201 is further configured to obtain a second forbidden PLMN list stored in the USIM card;
a processing module 202, configured to add a PLMN in the first forbidden PLMN list that is different from a PLMN in the second forbidden PLMN list to the second forbidden PLMN list;
the processing module 202 is further configured to perform location update, routing update or network registration according to the added second forbidden PLMN list.
Fig. 3 is a block diagram of another embodiment of an access device of a mobile terminal according to the present invention. On the basis of the structure shown in fig. 2, optionally, as shown in fig. 3, the apparatus of this embodiment may further include:
the determining module 203 is configured to determine an operator to which the USIM card belongs according to an integrated circuit card identifier ICCID or an international mobile subscriber identifier IMSI of the USIM card.
Optionally, as an implementable manner, the obtaining module 201 is specifically configured to:
and acquiring the first forbidden PLMN list from an Encrypted File System (EFS) storage area of the mobile terminal.
Optionally, as an implementable manner, the method further includes:
an updating module 204, configured to update the first forbidden PLMN list through version upgrade.
Optionally, as an implementable manner, the method further includes:
an updating module 204, configured to determine whether the USIM card is in a defaulting state after the mobile terminal receives an access denial message returned by a network side;
if not, judging whether the PLMN registered by the mobile terminal is the network of the operator to which the USIM card belongs;
and if not, adding the PLMN registered by the mobile terminal into the first forbidden PLMN list.
The apparatus of this embodiment may be configured to implement the technical solutions of the above method embodiments, and the implementation principles and technical effects are similar, which are not described herein again.
Fig. 4 is a structural diagram of an embodiment of a mobile terminal provided in the present invention, and as shown in fig. 4, the mobile terminal includes:
a processor 401, and a memory 402 for storing executable instructions for the processor 401.
The processor 401 is configured to call an executable instruction to execute a corresponding method in the foregoing method embodiment, and a specific implementation process of the method embodiment may refer to the foregoing method embodiment, which is not described herein again.
Those of ordinary skill in the art will understand that: all or a portion of the steps of implementing the above-described method embodiments may be performed by hardware associated with program instructions. The program may be stored in a computer-readable storage medium. When executed, the program performs steps comprising the method embodiments described above; and the aforementioned storage medium includes: various media that can store program codes, such as ROM, RAM, magnetic or optical disks.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (6)
1. An access method of a mobile terminal, comprising:
acquiring a first forbidden Public Land Mobile Network (PLMN) list corresponding to an operator to which a Universal Subscriber Identity Module (USIM) card belongs, wherein the first forbidden PLMN list is stored in a mobile terminal; the upgrading mode of the first forbidden PLMN list is space download technology OTA upgrading;
acquiring a second forbidden PLMN list stored in the USIM card;
adding a PLMN in the first forbidden PLMN list that is different from a PLMN in the second forbidden PLMN list to the second forbidden PLMN list;
performing location updating, routing updating or network registration according to the added second forbidden PLMN list;
the method further comprises the following steps:
if the mobile terminal receives the access refusing message returned by the network side, judging whether the USIM card is in a defaulting state;
if not, judging whether the PLMN registered by the mobile terminal is the network of the operator to which the USIM card belongs;
and if not, adding the PLMN registered by the mobile terminal into the first forbidden PLMN list.
2. The method of claim 1, wherein before the obtaining the first forbidden public land mobile network PLMN list corresponding to the operator to which the universal subscriber identity module USIM card stored in the mobile terminal belongs, the method further comprises:
and determining the operator of the USIM card according to the integrated circuit card identification code ICCID or the international mobile subscriber identification code IMSI of the USIM card.
3. The method according to claim 1 or 2, wherein the obtaining of the first forbidden public land mobile network PLMN list corresponding to an operator to which a universal subscriber identity module USIM card stored in the mobile terminal belongs specifically includes:
and acquiring the first forbidden PLMN list from an Encrypted File System (EFS) storage area of the mobile terminal.
4. An access device for a mobile terminal, comprising:
the system comprises an acquisition module, a management module and a control module, wherein the acquisition module is used for acquiring a first forbidden Public Land Mobile Network (PLMN) list corresponding to an operator to which a Universal Subscriber Identity Module (USIM) card belongs, which is stored in a mobile terminal; the upgrading mode of the first forbidden PLMN list is space download technology OTA upgrading;
the obtaining module is further configured to obtain a second forbidden PLMN list stored in the USIM card;
a processing module configured to add a PLMN in the first forbidden PLMN list that is different from a PLMN in the second forbidden PLMN list to the second forbidden PLMN list;
the processing module is further configured to perform location update, routing update or network registration according to the added second forbidden PLMN list;
further comprising: the updating module is used for judging whether the USIM card is in a defaulting state or not after the mobile terminal receives an access refusing message returned by a network side;
if not, the updating module is further configured to determine whether a PLMN registered by the mobile terminal is a network of an operator to which the USIM card belongs;
if not, the updating module is further configured to add the PLMN registered by the mobile terminal to the first forbidden PLMN list.
5. The apparatus of claim 4, further comprising:
and the determining module is used for determining the operator of the USIM card according to the integrated circuit card identification ICCID or the international mobile subscriber identification IMSI of the USIM card.
6. The apparatus according to claim 4 or 5, wherein the obtaining module is specifically configured to:
and acquiring the first forbidden PLMN list from an Encrypted File System (EFS) storage area of the mobile terminal.
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| CN201710459154.0A CN107333253B (en) | 2017-06-16 | 2017-06-16 | Access method and device of mobile terminal |
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| CN108601017B (en) * | 2018-04-04 | 2021-10-01 | 广东小天才科技有限公司 | Network searching control method based on user terminal and user terminal |
| CN108848548A (en) * | 2018-07-23 | 2018-11-20 | Oppo广东移动通信有限公司 | A kind of method for connecting network, terminal device and storage medium |
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