CN104507130A - SIM (Subscriber Identity Module) card and system supporting mobile communication network switching - Google Patents
SIM (Subscriber Identity Module) card and system supporting mobile communication network switching Download PDFInfo
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- CN104507130A CN104507130A CN201410785539.2A CN201410785539A CN104507130A CN 104507130 A CN104507130 A CN 104507130A CN 201410785539 A CN201410785539 A CN 201410785539A CN 104507130 A CN104507130 A CN 104507130A
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- 238000010295 mobile communication Methods 0.000 title claims abstract description 21
- 239000003550 marker Substances 0.000 claims abstract description 39
- 238000004891 communication Methods 0.000 claims abstract description 13
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- 230000015654 memory Effects 0.000 claims abstract description 10
- 230000003936 working memory Effects 0.000 claims abstract description 4
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/14—Reselecting a network or an air interface
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
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Abstract
The invention relates to an SIM (Subscriber Identity Module) card and a system supporting mobile communication network switching. The conventional mobile communication network switching method requires replacing the SIM card of a user. The SIM card comprises a microprocessor CPU (Central Processing Unit), a program memory ROM (Read Only Memory), a working memory RAM (Random Access Memory), a data memory EEPROM (Electrically Erasable Programmable Read-Only Memory), a serial communication unit and an in-card operating system, wherein the in-card operating system comprises a COS (Chip Operating System). The operating system in the SIM card further comprises an application module for storing different types of applications in a grouping way, a receiving and transmitting module for receiving a command issued by a remote service management system, and a management module for processing the command received by the receiving and transmitting module, including writing personalized data into the storage directory of a corresponding application in the application module according to an application marker, calling the application module to perform application state management, and switching the application into which the personal data is written into a valid application. By adopting the SIM card and the system disclosed by the invention, a communication network can be switched without replacing the SIM card.
Description
Technical Field
The invention belongs to the fields of computer technology, intelligent cards and telecommunication communication, and particularly relates to an SIM card and a system for supporting mobile communication network switching.
Background
The SIM (subscriber Identity module) card is an abbreviation of a subscriber Identity module, also called a subscriber Identity module, and is used for a mobile communication network to identify the Identity of a terminal subscriber and encrypt voice information of the subscriber during a call, and is used as a bearer of a mobile communication service, and the SIM card is a main bridge for communication between a telecommunication operator and the subscriber.
With the updating and development of mobile communication network technology, the demand of users on telecommunication services is continuously increased, the demand is increased by information consumption, the industry ministry issues virtual operator license plates to dozens of civil enterprises in the end of 2013 and early 2014, and the opening of the virtual operator era is formally marked.
Compared with the basic operators, users can obtain more diversified and diversified services at the virtual operators, and currently, a plurality of virtual operators simultaneously take the license plates of three basic operators.
However, in the existing situation, the virtual operator mainly uses the network and standard of the basic operator to make and issue the SIM card, and the SIM card issued by the basic operator has respective standards, different network systems and different file structures in the card, so that if a mobile phone user wants to change the service of the operator, the SIM card needs to be changed. Under the condition, the user handling process is complex, and the SIM card is replaced again, so that the resource waste is also caused. For a virtual operator who takes the license plates of three basic operators at the same time, three kinds of SIM cards also need to be issued and managed, and the resource cost is very high.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a SIM card and a system for supporting the switching of a mobile communication network. The SIM card and the system can meet the requirements of various network standard users by only issuing one type of SIM card, and realize switching of the mobile communication service provider selected by the user under the condition of not replacing the SIM card.
In order to achieve the above purposes, the invention adopts the technical scheme that:
a SIM card supporting mobile communication network switching comprises a microprocessor CPU, a program memory ROM, a working memory RAM, a data memory EEPROM, a serial communication unit and an operating system in the card, wherein the operating system in the card comprises COS, and the operating system in the SIM card further comprises the following devices:
an application module: the system comprises a storage module, a data processing module and a data processing module, wherein the storage module is used for storing different types of applications in an application grouping mode, the types are classified according to basic operators, and the applications are application programs used for storing and operating network system data of a specific basic operator;
a transceiver module: the system is used for receiving an instruction issued by a remote service management system; the instruction is correspondingly generated according to the type matching data of the network to be switched, the data comprises a set of personalized data and an application marker, and the application marker is used for distinguishing the application in the application module;
a management module: the instruction is used for processing the instruction received by the transceiver module; the method comprises the following steps: writing the personalized data into a storage directory of a corresponding application in the application module according to the application marker; and calling an application module to manage the application state, and switching the application written in the personal data into an effective application.
Furthermore, the management module is provided with a switching unit for deactivating the original effective application and activating the application written in the personal data, i.e. modifying the effective application marker into the application marker of the application written in the personal data; the effective application marker is an application marker read when the terminal equipment is started.
Further, the management module is further configured to:
judging whether the personalized data is successfully written into the storage directory of the corresponding application in the application module according to the application marker;
calling the transceiving module and sending a service processing result to the remote service management system;
and sending a restart instruction to the terminal equipment to prompt a user to restart the terminal equipment.
Furthermore, the application module is provided with a plurality of applications, only one application is in an activated state at the same time, and the application marker and the application are mutually and uniquely corresponding.
Further, when the SIM card leaves the factory, one application in the application module is set as a preset application according to the type of the network currently used by the user, the preset application is in an activated state, and personalized data of the network system used by the user is preset in the preset application.
Further, the management module is further configured to unpack and decrypt the instruction, and update the application data in the application module.
Further, the transceiver module is also used for sending the result of the service processing and the personalized data to be recycled to the remote service management system.
In order to achieve the above object, the present invention also discloses a system for switching mobile communication network, comprising a service acceptance system and a remote service management system,
the service acceptance system comprises:
a service request accepting module, configured to receive a service request of a terminal user, where the content of the service request includes: a first mobile subscriber number MSISDN1, a type of network to be switched, and a second mobile subscriber number MSISDN 2; the MSISDN1 is a mobile subscriber number before applying for network switching, the type of the network to be switched refers to classification according to a basic operator, and the MSISDN2 is a mobile subscriber number after network switching;
wherein,
MSISDN: the Mobile Subscriber number is the abbreviation of Mobile Subscriber International ISDN/PSTN number;
ISDN: an Integrated Service Digital Network (ISDN) is a short for Integrated Service Digital Network;
PSTN: the shared Telephone exchange Network is an abbreviation of public switched Telephone Network;
a service request sending module, configured to send the service request to the remote service management system;
the remote service management system includes:
a service acceptance receiving module, configured to receive a service request sent by the service acceptance system, where the service request includes a first mobile subscriber number;
and the personalized parameter module is used for matching data, generating a corresponding instruction and sending the instruction to the SIM card corresponding to the first mobile subscriber number.
Further, the step of matching data and generating a corresponding instruction refers to matching the data and generating a corresponding instruction according to the type of the network to be switched, wherein the data comprises a set of personalized data and an application identifier; the application refers to an application program for storing and operating network standard data of a specific basic operator, and the application marker is used for distinguishing the application.
Further, the personalized parameter module is also used for organizing the sending format of the instruction, namely encrypting and packaging the instruction;
the service acceptance receiving module is also used for receiving the service processing result sent by the SIM card and synchronously sending the service processing result to the service acceptance system; the service processing result includes the first mobile user number, the type of the network to be switched, the second mobile user number and the network switching result.
Further, the remote service management system further includes:
the resource pool is used for storing assignable personalized data;
and the resource recovery module is used for recovering the personalized data before switching in the SIM card and storing the personalized data into the resource pool.
Further, the service acceptance system further comprises: and the service processing result receiving module is used for receiving the service processing result sent by the remote service management system.
The invention has the following effects: the SIM card and the system supporting the mobile communication network switching can meet the communication requirements of various communication networks, so that when a mobile terminal user changes communication network services of different operators, the switching service of the communication networks can be completed without changing the SIM card and without going out of the house, thereby facilitating the use of the user and being beneficial to the formation of reasonable competition of the communication network market; meanwhile, when the virtual operator issues the SIM card, the virtual operator can meet the requirements of users with various network standards by only issuing one type of SIM card, thereby greatly saving the card issuing and operating costs.
Drawings
FIG. 1 is a schematic diagram of the SIM card and the system according to the embodiment of the invention;
FIG. 2 is a flow chart of a method according to an embodiment of the present invention;
fig. 3 is a block diagram of the structure of the SIM card in the embodiment of the present invention;
fig. 4 is a block diagram of the system in accordance with the present invention.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
As shown in fig. 1 and fig. 2, a method for handover of a mobile communication network includes the following steps:
step (1): the service acceptance system receives a service request of a terminal user and sends the service request to a remote service management system, wherein the service request comprises a first mobile user number, the type of a network to be switched and a second mobile user number; the first mobile user number is the mobile user number before applying for network switching, namely the mobile user number currently used by the terminal user; the types are classified according to basic operators, wherein the basic operators comprise China Mobile, China Unicom and China telecom; the second mobile user number is the mobile user number after network switching, namely the mobile user number to be started newly by the terminal user after network switching;
the remote service management system is used for sending an instruction to the SIM card and receiving a processing result and other data sent back by the SIM card;
step (2): the remote service management system receives a service request of an end user sent by the service acceptance system;
the remote service management system matches data according to the type of the network to be switched provided by the user and generates a corresponding instruction, wherein the data comprises a set of personalized data and an application marker; the application is an application program used for storing and operating network system data of a specific basic operator, and because the network systems provided by the basic operators are different, each application is different from each other, is designed aiming at the data of a certain specific network system and is used for storing and operating the data of the certain network system, and the application marker is used for distinguishing the applications used for different basic operators;
after matching data and generating a corresponding instruction, the remote service management system also organizes the sending format of the instruction, namely, the instruction is encrypted and packaged, and the encryption mode is symmetric algorithm encryption;
and then, the remote service management system sends the encrypted and packaged instruction to the SIM card corresponding to the first mobile subscriber number through the communication network currently used by the first mobile subscriber number.
And (3): the SIM card receives the instruction issued by the remote service management system;
unpacking and decrypting the instruction in the SIM card;
then writing personalized data into a storage directory of the corresponding application in the SIM card according to the application marker in the instruction; the SIM card is provided with a plurality of applications, each application is different from the other, is designed aiming at the data of a certain specific network system and is used for storing and operating the data of the certain network system;
the application written with the personalized data is switched to an effective application, the switching means that the original effective application is deactivated, the application written with the personalized data is activated, namely the effective application marker in the SIM card is modified into the application marker of the application written with the personalized data, the effective application marker refers to the application marker read when the terminal equipment is started, and the terminal equipment is a mobile phone, a tablet computer or other terminal equipment which needs to use the SIM card and can replace a mobile communication network.
The personalization data of the data comprises:
IMSI, international mobile subscriber identity (international mobile subscriber identity i ty);
SMSC, Short Message Service Center number (Short Message Service Center);
ICCID, Integrated circuit Card identification (Integrated circuits Card identification);
PIN, Personal Identification Number (Personal Identification Number);
PUK, unlock code for PIN (PIN Unblocking Key);
k, SIM authentication random number (subsccr iber authentication Key);
the OPc is obtained by dispersing an operator master key and the K (Va lumen driven from OPand K);
ACC, Access Control Code, is the last bit (Access Control Code) of the IMSI, the range of values is from 0 to 9, and the designated Access priority of the Access user.
In step (3), after writing the personalization data into the storage directory of the corresponding application in the SIM card according to the application identifier in the instruction, the method further includes:
and judging whether the personalized data is successfully written into the storage directory of the corresponding application in the SIM card, if so, switching the application in which the personalized data is written into the effective application, and finishing the operation. Activating the application written with the personal data and carrying out switching operation; if not, prompting the user that the service processing fails, sending a service processing result of network switching failure to the remote service management system, and ending the operation.
After the step (3), further comprising:
and (4): the SIM card sends a service processing result to the remote service management system, wherein the service processing result comprises a network switching result, namely network switching success and network switching failure;
and (5): the remote service management system receives a service processing result sent by the SIM card and synchronously sends the service processing result to the service acceptance system, wherein the service processing result comprises the first mobile subscriber number, the type of the network to be switched, the second mobile subscriber number and a network switching result;
and (6): the remote service management system judges whether the service processing result sent by the SIM card is successful, namely judges whether the network switching of the SIM card is successful, if so, the personalized data before switching in the SIM card is recycled and stored in a resource pool, and the resource pool is used for storing the distributable personalized data; after the step of personalization data recovery is completed, the method further comprises:
and (7): the SIM card sends a restart instruction to the terminal equipment to prompt a user to restart the terminal equipment;
and (8): and after the user executes a restart instruction on the terminal equipment, starting up and reading the valid application marker, and accessing the network by using the application written with the personal data.
In the embodiment of the invention, the application marker and the application are mutually and uniquely corresponding. There is one and only one application in the SIM card active at a time. The method for switching the mobile communication network further comprises updating the data of the application.
As shown in fig. 3, an SIM card supporting mobile communication network switching includes a microprocessor CPU, a program memory ROM, a working memory RAM, a data memory EEPROM, a serial communication unit (the above hardware unit is not shown in the figure), and an operating system in the card, where the operating system in the card includes cos (chip operating system), and the operating system in the SIM card further includes the following devices:
the application module 101: the system comprises a storage module, a data processing module and a data processing module, wherein the storage module is used for storing different types of applications in an application grouping mode, the types are classified according to basic operators, and the applications are application programs used for storing and operating network system data of a specific basic operator;
the transceiver module 102: the system is used for receiving an instruction issued by a remote service management system; the instruction is correspondingly generated according to the type matching data of the network to be switched, the data comprises a set of personalized data and an application marker, and the application marker is used for distinguishing the application in the application module;
the management module 103: the instruction is used for processing the instruction received by the transceiver module; the method comprises the following steps: writing the personalized data into a storage directory of a corresponding application in the application module according to the application marker; and calling an application module to manage the application state, and switching the application written in the personal data into an effective application.
In this embodiment, the management module is provided with a switching unit, configured to deactivate an original active application, and activate the application written in the personal data, that is, modify an active application identifier to an application identifier of the application written in the personal data; the effective application marker refers to an application marker read when the terminal equipment is started, and the terminal equipment is a mobile phone, a tablet personal computer or other terminal equipment which needs to use an SIM card and can replace a mobile communication network.
The management module 103 is further configured to:
judging whether the personalized data is successfully written into the storage directory of the corresponding application in the application module according to the application marker;
calling the transceiving module and sending a service processing result to the remote service management system;
and sending a restart instruction to the terminal equipment to prompt a user to restart the terminal equipment.
The application module 101 is provided with a plurality of applications, each application is different from another application, is designed for data of a certain specific network system, and is used for storing and running data of a certain network system, only one application is in an activated state at the same time, and the application identifier and the application are in unique correspondence.
When the SIM card 100 leaves the factory, one application in the application module is set as a preset application according to the type of the network currently used by the user, the preset application is in an activated state, and personalized data of the network system used by the user is preset in the preset application.
The management module 103 is further configured to unpack and decrypt the instruction; and updating the data of the application in the application module 101.
The transceiver module 102 is further configured to send the result of the service processing and the personalization data to be recycled to the remote service management system.
Fig. 4 shows a system for switching a mobile communication network, which includes a service acceptance system 200 and a remote service management system 300;
the service acceptance system 200 includes:
a service request accepting module 201, configured to receive a service request of an end user, where the content of the service request includes: a first mobile user number, a type of a network to be switched and a second mobile user number; the first mobile user number is a mobile user number before applying for network switching, the type is classified according to a basic operator, and the second mobile user number is a mobile user number after network switching;
a service request sending module 202, configured to send the service request to the remote service management system;
the remote service management system 300 includes:
a service acceptance receiving module 301, configured to receive a service request sent by the service acceptance system 200, where the service request includes a first mobile subscriber number, a type of a network to be switched, and a second mobile subscriber number;
and the personalized parameter module 302 is configured to match data, generate a corresponding instruction, and send the instruction to the SIM card corresponding to the first mobile subscriber number.
The step of matching the data and generating the corresponding instruction refers to matching the data and generating the corresponding instruction according to the type of the network to be switched, wherein the data comprises a set of personalized data and an application marker; the application refers to an application program for storing and operating network standard data of a specific basic operator, and the application marker is used for distinguishing the application.
The personalized parameter module 302 is further configured to organize a sending format of the instruction, that is, encrypt and package the instruction;
the service acceptance receiving module 301 is further configured to receive a service processing result sent by the SIM card, and synchronously send the service processing result to the service acceptance system 200; the service processing result includes the first mobile user number, the type of the network to be switched, the second mobile user number and the network switching result.
The remote service management system 300 further includes:
a resource pool 304 for storing assignable personalization data;
the resource recycling module 303 is configured to recycle personalized data before switching in the SIM card, and store the personalized data in the resource pool 304.
The service acceptance system 200 further includes: a service processing result receiving module 203, configured to receive the service processing result sent by the remote service management system 300.
The method and system of the present invention are not limited to the embodiments described in the detailed description, and those skilled in the art can derive other embodiments according to the technical solutions of the present invention, and also belong to the technical innovation scope of the present invention.
Claims (14)
1. A SIM card supporting mobile communication network switching comprises a microprocessor CPU, a program memory ROM, a working memory RAM, a data memory EEPROM, a serial communication unit and an operating system in the card, wherein the operating system in the card comprises COS, and is characterized in that the operating system in the SIM card further comprises the following devices:
an application module: the system comprises a storage module, a data processing module and a data processing module, wherein the storage module is used for storing different types of applications in an application grouping mode, the types are classified according to basic operators, and the applications are application programs used for storing and operating network system data of a specific basic operator;
a transceiver module: the system is used for receiving an instruction issued by a remote service management system; the instruction is correspondingly generated according to the type matching data of the network to be switched, the data comprises a set of personalized data and an application marker, and the application marker is used for distinguishing the application in the application module;
a management module: the instruction is used for processing the instruction received by the transceiver module; the method comprises the following steps: writing the personalized data into a storage directory of a corresponding application in the application module according to the application marker; and calling an application module to manage the application state, and switching the application written in the personal data into an effective application.
2. The SIM card of claim 1 wherein said personalization data comprises:
IMSI, international mobile subscriber identity;
SMSC, short message service center number;
ICCID, integrated circuit card identification;
PIN, card personal authentication password;
PUK, unlock code of PIN;
k, SIM authentication random number;
the OPc is obtained by dispersing the operator master key and the K;
ACC, access control code.
3. The SIM card of claim 1 or 2, wherein: the management module is provided with a switching unit for deactivating the original effective application and activating the application written in the personal data, namely modifying the effective application marker into the application marker of the application written in the personal data; the effective application marker is an application marker read when the terminal equipment is started.
4. The SIM card of claim 3, wherein the management module is further configured to:
judging whether the personalized data is successfully written into the storage directory of the corresponding application in the application module according to the application marker;
calling the transceiving module and sending a service processing result to the remote service management system;
and sending a restart instruction to the terminal equipment to prompt a user to restart the terminal equipment.
5. The SIM card of claim 4, wherein: the application module is provided with a plurality of applications, only one application is in an activated state at the same time, and the application marker and the application are in unique correspondence.
6. The SIM card of claim 5, wherein: when the SIM card leaves a factory, one application in the application module is set as a preset application according to the type of a network currently used by a user, the preset application is in an activated state, and personalized data of a network system used by the user is preset in the preset application.
7. The SIM card of claim 6, wherein: the management module is further configured to unpack and decrypt the instruction, and update the application data in the application module.
8. The SIM card of claim 7, wherein: the receiving and sending module is also used for sending the result of the service processing and the personalized data to be recycled to the remote service management system.
9. A system for switching mobile communication network includes a service acceptance system and a remote service management system, which is characterized in that:
the service acceptance system comprises:
a service request accepting module, configured to receive a service request of a terminal user, where the content of the service request includes: a first mobile subscriber number MSISDN1, a type of network to be switched, and a second mobile subscriber number MSISDN 2; the MSISDN1 is a mobile subscriber number before applying for network switching, the type of the network to be switched refers to classification according to a basic operator, and the MSISDN2 is a mobile subscriber number after network switching;
a service request sending module, configured to send the service request to the remote service management system;
the remote service management system includes:
a service acceptance receiving module, configured to receive a service request sent by the service acceptance system, where the service request includes a first mobile subscriber number;
and the personalized parameter module is used for matching data, generating a corresponding instruction and sending the instruction to the SIM card corresponding to the first mobile subscriber number.
10. The system of claim 9, wherein: the step of matching the data and generating the corresponding instruction refers to matching the data and generating the corresponding instruction according to the type of the network to be switched, wherein the data comprises a set of personalized data and an application marker; the application refers to an application program for storing and operating network standard data of a specific basic operator, and the application marker is used for distinguishing the application.
11. The system of claim 10, wherein said personalization data comprises:
IMSI, international mobile subscriber identity;
SMSC, short message service center number;
ICCID, integrated circuit card identification;
PIN, card personal authentication password;
PUK, unlock code of PIN;
k, SIM authentication random number;
the OPc is obtained by dispersing the operator master key and the K;
ACC, access control code.
12. The system of any of claims 9-11, wherein:
the personalized parameter module is also used for organizing the sending format of the instruction, namely encrypting and packaging the instruction;
the service acceptance receiving module is also used for receiving the service processing result sent by the SIM card and synchronously sending the service processing result to the service acceptance system; the service processing result includes the first mobile user number, the type of the network to be switched, the second mobile user number and the network switching result.
13. The system of claim 12, wherein the remote service management system further comprises:
the resource pool is used for storing assignable personalized data;
and the resource recovery module is used for recovering the personalized data before switching in the SIM card and storing the personalized data into the resource pool.
14. The system of claim 13, wherein the service acceptance system further comprises: and the service processing result receiving module is used for receiving the service processing result sent by the remote service management system.
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| CN201410785539.2A CN104507130A (en) | 2014-12-17 | 2014-12-17 | SIM (Subscriber Identity Module) card and system supporting mobile communication network switching |
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| CN201410785539.2A CN104507130A (en) | 2014-12-17 | 2014-12-17 | SIM (Subscriber Identity Module) card and system supporting mobile communication network switching |
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