CN102368878A - Multimode terminal as well as SIM (subscriber identity module) card information transmission system and method - Google Patents
Multimode terminal as well as SIM (subscriber identity module) card information transmission system and method Download PDFInfo
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- CN102368878A CN102368878A CN2011102776155A CN201110277615A CN102368878A CN 102368878 A CN102368878 A CN 102368878A CN 2011102776155 A CN2011102776155 A CN 2011102776155A CN 201110277615 A CN201110277615 A CN 201110277615A CN 102368878 A CN102368878 A CN 102368878A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
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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
Abstract
The invention discloses a multimode terminal and an SIM (subscriber identity module) card information transmission system. The system comprises a multimode terminal, an SIM card and an SPI (single program initiation) interface, and the multimode terminal further comprises at least one first communication module, wherein the first communication module is used to send a reading instruction required by the SIM card information to the SIM card through the SPI interface; the SIM card is used to receive a reading instruction of the first communication module, and feeding back the corresponding SIM card information to the first communication module through the SPI interface; and the SPI interface is used to realize the communication between the first communication module and the SIM card. The invention also discloses a multimode terminal and an SIM card information transmission method. By adopting the system and the method provided by the invention, the communication module can realize high-speed access and management on the SIM card in the multimode terminal and concurrent processing of the data can be supported, thus the interface data transmission rate and the access efficiency of the SIM card can be improved.
Description
Technical field
The present invention relates to the information transmission technology in the mobile communication, relate in particular to a kind of multimode terminal and the SIM information transmission system and method.
Background technology
Step into 3G (Third Generation) Moblie technology (3rd Generation Telecommunication; 3G) after epoch; Mobile operator can face second generation mobile communication technology (2nd Generation Telecommunication, 2G), 3G and Long Term Evolution (Long Term Evolution, the situation of many networks long-term co-existence such as LTE); A lot of mobile operator as operation target and optimisation strategy, support the customization multi-mode terminal carrying out service to promote and many net operations multi-network cooperative.
Present multimode terminal and SIM message transmission are divided into single deck tape-recorder and block/block two kind situation with two more, that is: multimode terminal and individual SIM carry out message transmission and multimode terminal and two or more SIM and carry out two kinds of situation of message transmission.
Multimode terminal use a plurality of subscriber identification cards (Subscriber Identity Module, SIM), the corresponding cover independent communication systems of every SIM card can reside in the different communication systems respectively; The single deck tape-recorder multimode terminal then uses a SIM card, carries out resident and completion corresponding communication function according to certain terminal strategy, network strategy or business game.
Single deck tape-recorder generally is operator's issue, and the information of a plurality of communication modules all is placed on the SIM card, just can realize promptly realizing the single deck tape-recorder multi-mode multi-standby terminal under the resident various network pattern of multimode terminal with a SIM card.Like this, not only avoided the single deck tape-recorder user to purchase the burden of card in addition, and reduced the overall power of multimode terminal.But,,, be forwarded to other communication module then through this communication module so must read all information in the SIM through one of them communication module under the single deck tape-recorder situation because a SIM card is only supported an ISO7816 interface.Because it is slower to be subject to the ISO7816 interface rate, again through the internal interface transfer, therefore total efficiency of transmission is lower between each communication module.
And under two cards/many cards situation, each communication module is respectively through the corresponding information in the ISO7816 interface reading SIM card, and each communication module is corresponding one by one with SIM, can not carry out the information interaction between SIM.For the user provides service, each communication module must obtain the information on the corresponding SIM card to multimode terminal on different communication networks.But limit by the SIM interface,, then can't realize the free access of multimode terminal SIM if use the ISO7816 interface.
Therefore,, satisfy that information interaction reads and efficiency of transmission between a plurality of communication modules and the SIM, the implementation that needs a kind of multimode terminal SIM to be carried out high speed access and information sharing in order to adapt to the multimode terminal development trend.
Summary of the invention
In view of this; The present invention proposes a kind of multimode terminal and the SIM information transmission system and method; Can realize that communication module is supported the data concurrent processing to the high speed access and the management of SIM in the multimode terminal, thereby improve the access efficiency of interface data transmission speed and SIM.
For achieving the above object, technical scheme of the present invention is achieved in that
The invention discloses a kind of multimode terminal and the SIM information transmission system, comprising: multimode terminal, SIM and SPI interface, said multimode terminal further comprises at least one first communication module; Wherein,
Said first communication module is used for sending to SIM through the SPI interface reading command of required SIM information;
Said SIM is used to receive the reading command of first communication module, and returns corresponding SIM information through the SPI interface to said first communication module;
Said SPI interface is used to realize communicating by letter between first communication module and the SIM.
Further, said multimode terminal also comprises application module and internal interface; Wherein,
Said application module is used to accomplish mutual with the user, handles the professional local logical gate of the local service irrelevant with network, communication class and first communication module is communicated control;
Said internal interface is used to realize communicating by letter between application module and the first communication module.
Further, said multimode terminal also comprises ISO7816 interface and second communication module; Wherein,
Said second communication module is used for sending to SIM through the ISO7816 interface reading command of required SIM information;
Correspondingly, said SIM is used to receive the reading command of second communication module, and returns corresponding SIM information through the ISO7816 interface to said second communication module.
Further; Said multimode terminal also comprises third communication module; Link to each other with first communication module through internal interface, be used for receiving the SIM information that first communication module is that send, that self is required, first communication module obtains from SIM through the SPI interface through internal interface.
Further, said first communication module comprises the SIM agent unit, and the required SIM information of third communication module that is used for first communication module is obtained is transmitted to third communication module.
Further, this system also comprises the SPI interface controller, and said first communication module is connected with the SPI interface through the SPI interface controller; Said SPI interface controller is used for the communication module of gating multimode terminal.
Further, said first communication module or second communication module comprise SIM administrative unit and SIM driver element; Wherein,
Said SIM administrative unit is used to accomplish the reading command of sending required SIM information to SIM, the information of SIM is read multimode terminal, and carry out corresponding protocol processing;
Said SIM driver element is used to accomplish the drive controlling of SPI interface or ISO7816 interface.
The invention also discloses a kind of multimode terminal and SIM information transferring method, comprising:
At least one first communication module sends the reading command of required SIM information in the multimode terminal to SIM through the SPI interface;
After SIM receives reading command, return corresponding SIM information to the first communication module that sends reading command through the SPI interface.
Further, this method also comprises: the second communication module in the multimode terminal sends the information reading command through the ISO7816 interface to SIM, obtains self required SIM information; SIM returns corresponding SIM information through the ISO7816 interface to the second communication module that sends reading command.
Further, this method also comprises: after first communication module receives required SIM information, send the required SIM information of third communication module through internal interface to third communication module.
Further, after said first communication module receives required SIM information, be transmitted to third communication module via the internal interface SIM information that the third communication module of obtaining is required through the SIM agent unit.
Further; Said first communication module through the SPI interface to the reading command that SIM sends required SIM information is: said first communication module links to each other with the SPI interface through the SPI interface controller; Send the reading command of required SIM information via SPI interface controller and SPI interface to SIM, obtain required SIM information.
To sum up, in the prior art, the single-mode terminal communication module is carried out message transmission through ISO7816 interface and SIM, yet limit by the SIM interface, only can't realize visit and the management of multimode terminal communication module to SIM through the ISO7816 interface.And system and method provided by the invention; Considering on the not enough basis of conventional I SO7816 interface characteristic and SIM interface; Make full use of the high characteristics of SPI interface favorable expandability and data transmission efficiency, adopt the interface of SPI interface, transmit the mode that combines with the SIM agent unit through the direct high speed access of SPI interface or through the SPI interface as first communication module in the multimode terminal and SIM; The demand of communication module and SIM message transmission in the realization multimode terminal; Obtain the required information of communication module in the multimode terminal, that is: a plurality of communication modules are carried out directly visit or transmit of high speed to required SIM information in single deck tape-recorder or two card/many cards, and communication module is to the high speed access and the management of SIM in the completion multimode terminal; So; Not only expanded single deck tape-recorder and block/blocked the multimode terminal implementation more, and can support the data concurrent processing, thereby improved the access efficiency of interface data transmission speed and SIM with two.
Description of drawings
Fig. 1 is the general structure sketch map of the multimode terminal of the present invention and the SIM information transmission system;
Fig. 2 is multimode terminal of the present invention and SIM information transferring method sketch map;
Fig. 3 is the sketch map of the present invention single deck tape-recorder dual-mode terminal structure optimization embodiment when using the SPI interface;
Fig. 4 is the sketch map of the present invention single deck tape-recorder dual-mode terminal structure optimization embodiment when using the spi bus controller;
Fig. 5 is the sketch map of single deck tape-recorder multimode terminal structure optimization embodiment under the SIM agent unit pass-through mode of the present invention;
Fig. 6 is following pair of sketch map that block/blocks multimode terminal structure optimization embodiment of SIM agent unit pass-through mode of the present invention more;
Fig. 7 be SIM agent unit of the present invention when being positioned at application module SIM information read the sketch map of structure optimization embodiment.
Embodiment
Basic thought of the present invention is: at least one first communication module sends the reading command of required SIM information in the multimode terminal to SIM through the SPI interface; After SIM receives reading command, return corresponding SIM information to the first communication module that sends reading command through the SPI interface.
The description of considering different communication module smart card is different, and for narrating conveniently, the present invention replaces various telecom intelligent cards with SIM, comprises UIM card, UICC card, usim card etc.
Below in conjunction with accompanying drawing and specific embodiment, to further explain of the present invention.
Fig. 1 is the general structure sketch map of the multimode terminal of the present invention and the SIM information transmission system, and is as shown in Figure 1, and this system comprises multimode terminal, SPI interface and SIM, carries out message transmission through the SPI interface between multimode terminal and the SIM.
Said multimode terminal is used for being responsible for the mutual of completion and user, handles and the irrelevant local service of network, and the drive controlling of completion SPI interface, the information of reading SIM card is also carried out corresponding protocol processing.
Multimode terminal further comprises application module, first communication module and internal interface; Wherein, Application module is the main control module of multimode terminal; Can framework in central processing unit independently (Central Processing Unit, CPU) on, also can with certain communication module framework on same processor; Application module is responsible for accomplishing mutual with the user, handles the professional local logical gate of the local service irrelevant with network, communication class and first communication module is communicated control.
First communication module has more than one, is used to accomplish the drive controlling of SPI interface, sends the reading command of required SIM information to SIM through the SPI interface; Generally, first communication module includes SIM administrative unit and SIM driver element; Wherein, the SIM administrative unit is mainly used in completion and sends the reading command of required SIM information through the SPI interface to SIM, the information of SIM is read multimode terminal, and carry out corresponding protocol processing; The SIM driver element is mainly used in the drive controlling of accomplishing the SPI interface.
Communicate through internal interface between application module and the first communication module, wherein, communication protocol can adopt the AT command transfer.
SIM is used to receive the reading command of first communication module, and returns corresponding SIM information through the SPI interface to said first communication module; Particularly, preserve in the SIM and be used for the information that many networks carry out authentication; Be used to accomplish customer identity right checking and customer information ciphering process; The SIM business is upgraded and managed through the wireless air interface mode; Manage etc. being stored in userspersonal informations such as telephone number in the card, short message.
The second communication module that can further comprise the ISO7816 interface in the multimode terminal and carry out message transmission through ISO7816 interface and SIM; Said second communication module is used to accomplish the drive controlling of ISO7816 interface; Send the reading command of required SIM information through the ISO7816 interface to SIM, the information of SIM is read multimode terminal and carries out corresponding protocol processing; Correspondingly, the SIM driver element in the second communication module is used to accomplish the drive controlling of ISO7816 interface.
Also can further comprise the third communication module that only is connected with first communication module through internal interface in the multimode terminal, third communication module receives the SIM information that first communication module is that send, that self is required, first communication module obtains from SIM through the SPI interface through internal interface.
Said first communication module, second communication module and third communication module are represented dissimilar communication modules respectively, also can be referred to as communication module.
The first communication module of multimode terminal can be for two or more among Fig. 1, and n representes with communication module 1～communication module; SIM also can be single deck tape-recorder, two card or many cards, comprising communication module 1 information～communication module n information of the corresponding communication module 1～communication module n of difference; Situation shown in Fig. 1 is only as an example.
Here, first communication module can adopt multiple communication standard, as the time-division (Time Division, TD), global system for mobile communications (Global System for Mobile Communications, GSM), communication protocol such as LTE; In addition, first communication module both can be realized through the multicore sheet, also can realize based on single-chip; Internal interface comprises types such as serial ports, USB.
Fig. 2 is the realization flow sketch map of multimode terminal of the present invention and SIM information transferring method, and as shown in Figure 2, this method comprises the steps:
Step 201: at least one first communication module sends the information reading command through the SPI interface to SIM in the multimode terminal;
Particularly, at least one first communication module sends the reading command of required SIM information through the SPI interface respectively to SIM in the multimode terminal, obtains required separately SIM information.
In this step, if multimode terminal also comprises second communication module, then this step comprises that also second communication module passes through the ISO7816 interface and sends the information reading command to SIM, obtains the operation of self required SIM information; If multimode terminal also comprises third communication module, then this step also comprises the operation of self required SIM information that third communication module receives that first communication module sends through internal interface.
After reading command is received in step 202:SIM clamping, return corresponding SIM information to the first communication module that sends reading command through the SPI interface;
Wherein, said SIM is two cards or many cards.
In this step, if multimode terminal also comprises second communication module, then this step comprises that also SIM returns corresponding SIM information through the ISO7816 interface to the second communication module that sends reading command; If multimode terminal also comprises third communication module, after then this step comprises that also first communication module receives required SIM information, send the required SIM information of third communication module to third communication module through internal interface.
In the practical application, multimode terminal can comprise two or more communication modules that link to each other with SIM through distinct interface simultaneously, and each communication module is obtained required SIM information through different modes:
Such as, multimode terminal comprises first communication module and second communication module simultaneously, and first communication module is connected with SIM through the SPI interface, and second communication module is connected with SIM through the ISO7816 interface; Wherein, first communication module obtains the required SIM information of first communication module self through the reading command of SPI interface to the required SIM information of SIM transmission self; Second communication module obtains the required SIM information of second communication module self through the reading command of ISO7816 interface to the required SIM information of SIM transmission self.
For another example; Multimode terminal comprises first communication module, second communication module and third communication module simultaneously; First communication module is connected with SIM through the SPI interface; Second communication module is connected with SIM through the ISO7816 interface, and third communication module is connected with first communication module through internal interface; Wherein,
First communication module is through the reading command of SPI interface to the required SIM information of SIM transmission self; Obtain the required SIM information of first communication module and third communication module, and be transmitted to third communication module through the internal interface SIM information that the third communication module of obtaining is required; Second communication module obtains the required SIM information of second communication module self through the reading command of ISO7816 interface to the required SIM information of SIM transmission self; Third communication module receives the required SIM information of third communication module self that first communication module is transmitted through internal interface.
Again such as; Multimode terminal comprises first communication module and third communication module simultaneously; First communication module is connected with SIM through the SPI interface, and third communication module is connected with first communication module through internal interface, wherein; First communication module obtains first communication module and the required SIM information of third communication module through the SPI interface, and the SIM information that the third communication module of obtaining is required is transmitted to third communication module; Third communication module receives the required SIM information of third communication module that first communication module is transmitted through internal interface.
Above-mentioned first communication module can comprise the SIM agent unit, and wherein, the required SIM information of the third communication module that said SIM agent unit obtains first communication module is transmitted to third communication module via internal interface.
In the practical application, above-mentioned first communication module can be connected with the SPI interface through the SPI interface controller, sends the reading command of self required SIM information via SPI interface controller and SPI interface to SIM, obtains required SIM information.Here, the SIM information of obtaining can be that first communication module and/or third communication module need.
Further, said first communication module or second communication module comprise SIM administrative unit and SIM driver element, and wherein, said SIM administrative unit is used for the information of SIM is read multimode terminal, and carries out corresponding protocol processing; Said SIM driver element is used to accomplish the drive controlling of SPI interface or ISO7816 interface.
In order better technical scheme of the present invention to be understood, to different multimode terminal and SIM patterns, describe respectively below.
Consider earlier comparatively simple situation under the single deck tape-recorder pattern, that is: under the single deck tape-recorder pattern dual-mode terminal to the visit and the management of SIM.
The sketch map of single deck tape-recorder dual-mode terminal structure optimization embodiment when Fig. 3 uses the SPI interface for the present invention; Among Fig. 3; Dual-mode terminal comprises first communication module and second communication module; Identical on both structures, include SIM administrative unit and SIM driver element, and all support ISO7816 interface and SPI interface.First communication module and second communication module are realized the visit to SIM through SPI interface and ISO7816 interface respectively, obtain required separately SIM information, that is: the information of the information of the first communication module in the SIM and second communication module.Wherein, the SIM driver element of first communication module and second communication module is supported the SPI interface, takies C3, C4, C8, the C6 port (not shown) of SIM; Simultaneously also support the ISO7816 interface, take C1, C2, C3, C5, the C7 port (not shown) of SIM, concrete implementation procedure belongs to prior art, repeats no more at this.
The sketch map of single deck tape-recorder multimode terminal structure optimization embodiment when Fig. 4 uses the SPI interface for the present invention; In the present embodiment; Two communication modules of dual-mode terminal are connected with the SPI interface controller respectively; This SPI interface controller is connected with SIM through the SPI interface, so, can realize the high speed access of two communication modules to same SIM through the SPI interface controller.Wherein, communication module 1 can be a first communication module with communication module 2 among Fig. 4, and/or second communication module, all supports ISO7816 interface and SPI interface.SPI interface multimode multiplexing and concurrent access can realize that concrete implementation procedure belongs to prior art, repeats no more at this through the spi bus controller.
The main feature of present embodiment is: just can realize multimode terminal parallel high-speed visit SIM without SIM agent unit pass-through mode, but the terminal hardware change is bigger.
Secondly, consider under the single deck tape-recorder pattern comparatively complicated situation, that is: under the single deck tape-recorder pattern multimode terminal to the visit and the management of SIM.
In this case, if adopt mode shown in Figure 3, obviously can't realize visit and the management of multimode terminal to SIM.If still adopt mode shown in Figure 4; Though can realize visit and the management of multimode terminal to SIM; But because each communication module can only timesharing and can't simultaneously SIM be conducted interviews and manage; Message transmission rate will certainly be affected, and possibly can't satisfy the current demand of higher data transmission rate.For this reason, the present invention proposes the mode that adopts the SPI interface to combine and realize that multimode terminal conducts interviews to SIM and manages with the forwarding of SIM agent unit, as shown in Figure 5.
Fig. 5 is the sketch map of single deck tape-recorder multimode terminal structure optimization embodiment under the SIM agent unit pass-through mode of the present invention.In order to narrate conveniently, will be called third communication module except that first communication module and all the other all communication modules the second communication module in the present embodiment; And, suppose that first communication module adopts the LTE standard, second communication module adopts the GSM standard, and third communication module all adopts TD standard etc.
In the present embodiment, second communication module comprises SIM driver element and SIM administrative unit, through traditional I SO7816 interface SIM is directly visited.First communication module also comprises the SIM agent unit except comprising SIM driver element and SIM administrative unit, and realizes SIM is carried out high speed access through the SPI interface.And third communication module can be considered SIM hardware and drive design, only comprises the SIM administrative unit.The SIM agent unit is as an intermediate module, can coordinate and cooperates through the SIM agent unit between a plurality of communication modules, and realize the forwarding of SIM information or share.
Wherein, the SIM administrative unit of second communication module is accomplished second communication module message transmission and management in the SIM, and carries out corresponding protocol processing; The SIM administrative unit of first communication module is mainly used in to accomplish obtains first communication module information and the third communication module information in the SIM, and carries out corresponding protocol processing; The SIM driver element is mainly used in the drive controlling of accomplishing SPI interface or ISO7816 interface etc.; The SIM administrative unit of third communication module is supported the SIM agent way, can receive the SIM information of transmitting through the SIM agent unit in the first communication module.It is pointed out that the SIM agent unit can merge with SIM administrative unit or SIM driver element on concrete the realization.
Present embodiment also is applicable to other high speed SIM interfaces; Major advantage is: terminal hardware is changed little; Third communication module can obtain required SIM information through SIM agent unit pass-through mode; Not only the requirement of message transmission rate aspect can be satisfied well, and the hardware cost and the design cost of communication module can be practiced thrift.It is pointed out that second communication module passes through traditional I SO7816 interface accessing SIM,, also can obtain and transmit second communication module information through first communication module as considering efficiency of transmission.
On the other hand, consider the situation of two card/many mode cards, that is: under two cards/many mode cards multimode terminal to the visit and the management of SIM.
Fig. 6 is following pair of sketch map that block/blocks multimode terminal structure optimization embodiment of SIM agent unit pass-through mode of the present invention more; Consider the characteristics of SIM agent unit pass-through mode, still adopt this mode to realize that multimode terminal conducts interviews to two or more SIMs and manages in the present embodiment.As shown in Figure 6; Realize the direct high speed access of SPI interface by a first communication module of multimode terminal to two or more SIMs; The also compatible ISO7816 interface of this first communication module; The third communication module of multimode terminal can be considered SIM hardware and drive design, through SIM agent unit pass-through mode, utilizes the SIM administrative unit of self can accomplish the SIM transmission of Information and share.
In the present embodiment, first communication module comprises SIM driver element, SIM administrative unit, SIM agency etc.; First communication module SIM driver element is supported the SPI interface, can support the modes of two kinds of visit SIMs: a kind of ISO7816 of being interface takies C1, C2, C3, C5, the C7 port (not shown) of SIM; A kind of is the SPI interface, takies C3, C4, C8, the C6 port (not shown) of SIM.Third communication module comprises SIM driver element and SIM agency, only comprises SIM administrative unit etc., does not support the SIM interface, but supports SIM agent unit pass-through mode.
First communication module SIM administrative unit is accomplished message transmission and the management with SIM, and carries out corresponding protocol processing; The SIM administrative unit of third communication module can receive the SIM information of transmitting through first communication module SIM agent unit.
What Fig. 6 provided is the situation of two SIMs, and first communication module is connected with SIM 2 with SIM 1 respectively with the SPI interface through traditional I SO7816 interface respectively.When having many cards situation of three above SIMs, utilize the SPI technology can realize that still the multimode terminal communication module is simultaneously to the visit of a plurality of SIMs.The SPI interface is a synchronous protocol interface, supports that a main control device control is a plurality of from control equipment.Through the SPI interface, can realize easily that communication module carries out high speed access to a plurality of SIMs.Wherein, four SIMs of a SPI interface may command.Concrete implementation procedure belongs to prior art, repeats no more at this.
Present embodiment also is suitable for and other high speed SIM interfaces; Major advantage is: utilize the characteristics of SPI good in expansion to realize the visit to two or more SIMs easily, third communication module can be accomplished the SIM transmission of Information and share through the SIM administrative unit of self.
Need to prove at last; Internal interface comprises the physical interface of communicating by letter between application module and communication module and communication module and the communication module among Fig. 5; Wherein, all there are internal interface in application module and each communication module, also have internal interface between a plurality of communication modules; Here, said communication module comprises first communication module, second communication module and third communication module; Application module can adopt independently application processor.In the practical application, also can there be internal interface between a plurality of communication modules, but accomplishes transmission and the transfer of sharing through application module, as shown in Figure 7.
SIM information read the sketch map of structure optimization embodiment when Fig. 7 was positioned at application module for SIM agent unit of the present invention; Present embodiment adopts the smart mobile phone framework; Application module adopts independent CPUs; Be application processor, application processor communicates through internal interface and two communication modules.
Multimode terminal comprises a 3G communication module and a 2G communication module; Wherein, the 3G communication module is a first communication module, adopts the TD standard; The 2G communication module is a second communication module, adopts the GSM standard; Application processor increases SIM agent unit and SIM driver element.The SIM driver element adopts the SPI interface to accomplish the access control of application processor to SIM; The SIM agent unit is as an intermediate module, coordinates through the SIM agent unit between application processor and first communication module and the second communication module and cooperates, and realize that application processor is to the forwarding of SIM information or share; The SIM agent unit is responsible for the 3G communication module and transmits SIM information.
Internal interface is accomplished communicating by letter between application processor and first communication module and the second communication module, and internal interface can comprise types such as serial ports, USB; Communication protocol adopts the AT command transfer.
Message transmission purpose and flow process for explanation present embodiment SIM are divided into 3G communication module information, 2G communication module information and application message with SIM information accordingly.Wherein, 3G communication module information and 2G communication module information are respectively the 3G communication module and the 2G communication module realizes the needed SIM information of map network communication function, like information such as encrypted authentications; Application message is then used required SIM information for application processor, like information such as SIM phone directories.
The 2G communication module is through the 2G communication module information in the direct reading SIM card of ISO7816 interface; Because do not have communication interface between 2G communication module and the 3G communication module; Then 3G communication module informational needs application processor is transmitted to the 3G communication module, and repeating process is accomplished through the SIM agent unit; The 3G communication module is supported application processor SIM agent unit forwarding capability, obtains the 3G communication module information that the SIM agent unit is transmitted through the SIM administrative unit.
Except 3G communication module information, application processor also reads application message through this SPI interface.
Present embodiment also is applicable to application module and certain communication module framework situation on same processor, and also is applicable to other high speed access interfaces, like USB interface.
The major advantage of present embodiment is: the transformation of multimode terminal mainly concentrates on application processor, and it is very little that the 3G communication module is changed, and the 2G communication module can not done change.
One of ordinary skill in the art will appreciate that all or part of step in the said method can control related hardware through program and accomplish, said program can be stored in the computer-readable recording medium, like read-only memory, disk or CD etc.Alternatively, all or part of step of the foregoing description also can use one or more integrated circuits to realize, correspondingly, each the module/unit in the foregoing description can adopt the form of hardware to realize, also can adopt the form of software function module to realize.The present invention is not restricted to the combination of the hardware and software of any particular form.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. the multimode terminal and the SIM information transmission system is characterized in that this system comprises: multimode terminal, SIM and SPI interface, and said multimode terminal further comprises at least one first communication module; Wherein,
Said first communication module is used for sending to SIM through the SPI interface reading command of required SIM information;
Said SIM is used to receive the reading command of first communication module, and returns corresponding SIM information through the SPI interface to said first communication module;
Said SPI interface is used to realize communicating by letter between first communication module and the SIM.
2. system according to claim 1 is characterized in that said multimode terminal further comprises application module and internal interface; Wherein,
Said application module is used to accomplish mutual with the user, handles the professional local logical gate of the local service irrelevant with network, communication class and first communication module is communicated control;
Said internal interface is used to realize communicating by letter between application module and the first communication module.
3. system according to claim 1 is characterized in that said multimode terminal also comprises ISO7816 interface and second communication module; Wherein,
Said second communication module is used for sending to SIM through the ISO7816 interface reading command of required SIM information;
Correspondingly, said SIM is used to receive the reading command of second communication module, and returns corresponding SIM information through the ISO7816 interface to said second communication module.
4. according to claim 2 or 3 described systems; It is characterized in that; Said multimode terminal also comprises third communication module; Link to each other with first communication module through internal interface, be used for receiving the SIM information that first communication module is that send, that self is required, first communication module obtains from SIM through the SPI interface through internal interface.
5. system according to claim 4 is characterized in that said first communication module comprises the SIM agent unit, and the required SIM information of third communication module that is used for first communication module is obtained is transmitted to third communication module.
6. system according to claim 1 is characterized in that this system also comprises the SPI interface controller, and said first communication module is connected with the SPI interface through the SPI interface controller; Said SPI interface controller is used for the communication module of gating multimode terminal.
7. system according to claim 3 is characterized in that, said first communication module or second communication module comprise SIM administrative unit and SIM driver element; Wherein,
Said SIM administrative unit is used to accomplish the reading command of sending required SIM information to SIM, the information of SIM is read multimode terminal, and carry out corresponding protocol processing;
Said SIM driver element is used to accomplish the drive controlling of SPI interface or ISO7816 interface.
8. multimode terminal and SIM information transferring method is characterized in that this method comprises:
At least one first communication module sends the reading command of required SIM information in the multimode terminal to SIM through the SPI interface;
After SIM receives reading command, return corresponding SIM information to the first communication module that sends reading command through the SPI interface.
9. method according to claim 8 is characterized in that, this method also comprises: the second communication module in the multimode terminal sends the information reading command through the ISO7816 interface to SIM, obtains self required SIM information; SIM returns corresponding SIM information through the ISO7816 interface to the second communication module that sends reading command.
10. according to Claim 8 or 9 described methods, it is characterized in that this method also comprises: after first communication module receives required SIM information, send the required SIM information of third communication module to third communication module through internal interface.
11. method according to claim 10; It is characterized in that; After said first communication module receives required SIM information, be transmitted to third communication module via the internal interface SIM information that the third communication module of obtaining is required through the SIM agent unit.
12. according to Claim 8 or 9 described methods; It is characterized in that; Said first communication module through the SPI interface to the reading command that SIM sends required SIM information is: said first communication module links to each other with the SPI interface through the SPI interface controller; Send the reading command of required SIM information via SPI interface controller and SPI interface to SIM, obtain required SIM information.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102776155A CN102368878A (en) | 2011-09-19 | 2011-09-19 | Multimode terminal as well as SIM (subscriber identity module) card information transmission system and method |
| PCT/CN2011/082244 WO2012151902A1 (en) | 2011-09-19 | 2011-11-15 | Multi-mode terminal and sim card information transmitting system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2011102776155A CN102368878A (en) | 2011-09-19 | 2011-09-19 | Multimode terminal as well as SIM (subscriber identity module) card information transmission system and method |
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| CN102368878A true CN102368878A (en) | 2012-03-07 |
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| CN2011102776155A Pending CN102368878A (en) | 2011-09-19 | 2011-09-19 | Multimode terminal as well as SIM (subscriber identity module) card information transmission system and method |
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| CN (1) | CN102368878A (en) |
| WO (1) | WO2012151902A1 (en) |
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| WO2012151902A1 (en) | 2012-11-15 |
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