CN101267622A - External extension control system for SIM card - Google Patents
External extension control system for SIM card Download PDFInfo
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- CN101267622A CN101267622A CNA2008100342802A CN200810034280A CN101267622A CN 101267622 A CN101267622 A CN 101267622A CN A2008100342802 A CNA2008100342802 A CN A2008100342802A CN 200810034280 A CN200810034280 A CN 200810034280A CN 101267622 A CN101267622 A CN 101267622A
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- sim card
- communication interface
- control system
- electronic chip
- mobile communication
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Abstract
An external spread control system applied in an SIM card in the mobile communication technology field, comprises an electronic chip processor, a handset communication interface and an SIM card communication interface. The system is characterized in that, an end of the handset communication interface is connected to a standard input/output port of the electronic chip processor, the other end of the handset communication interface is connected to a standard input/output port of a mobile terminal, an end of the SIM card communication interface is connected with the standard input/output port of the electronic chip processor, and the other end of the SIM card communication interface is connected with the standard input/output port of the mobile terminal. In the invention, data is performed with logic judging, processing and filtering in the electronic chip processor by an external data communication interface receiving data sent from the mobile terminal to the SIM card, function application is selected based on the processed data, thereby realizing function increase and application spread of the SIM card, and satisfying the functional request of an intelligent card in the current mobile communication technology.
Description
Technical field
What the present invention relates to is the device in a kind of mobile communication technology field, particularly a kind of external extension control system that is applied to SIM card.
Background technology
Along with the fast development of information-intensive society, people are more and more stronger to the dependence of SIM card.SIM card is generally lesser calorie, is of a size of 25mm x 15mm, and what still really use is the part of band copper contact.When SIM card is connected with mobile phone, the rarest 5 junctions.Moreover, when mobile phone power-on, the legitimacy of Radio Network System automatic inspection SIM card, and after system is approved under obtaining, just provide service for the user.As everyone knows, the information in the above-mentioned SIM card of being stored in comprise action user discrimination, personal user's key (individualSubscriber key, Ki), identifying algorithm (authentication algorithm), individual identification password (PIN) and other permanent or temporary transient data.SIM card is except having stored above-mentioned information, and standard set application tool group also is provided, and (SIM Tool Kits STK) is used to strengthen user experience and extra value-added service service is provided.Along with the fast development of telecommunication system with popularize, increasing specific industry server wishes that using (STK application) by the specific SIM card to provide special value-added service for the user in its industry, manage its employee such as enterprise by the sector application card of special use, services such as acquisition of information, and financing corporation provides financial service etc. for its user.On the other hand, many end users also wish to obtain better SIM card and use, such as when dialing toll telephone, using cheap rate service automatically, or switch the heterogeneous networks number of the account to save telephone expenses in roaming time, use again or by the SIM card of characteristic and obtain easily function etc.
Find by prior art documents, application number is a kind of smart card of 200510132097.2 (publication number is CN1987901A), this application readme: comprise processor, first interface of communicating by letter with terminating machine, realize with second interface and the reset apparatus of another smart card communications.The defective of this technology is: tackled the CLK and the RST signal of the SIM card during the user uses originally in this technology of enforcement, caused the software and hardware structure of this technology very complicated, be unfavorable in the future maintenance and renewal, relative cost is bigger.The unnecessary logical operation that comprises in this technology has also influenced the SIM card of user's use originally and the traffic rate between the exterior terminal in addition, causes the user experience sense poor, has reduced service quality.In sum, present stage is badly in need of a kind of control device, when strengthening intelligent card function, makes SIM card switch on different service functions effective and rapidly.
Summary of the invention
The objective of the invention is to overcome deficiency of the prior art, a kind of external extension control system that is applied to SIM card is provided.It can be reached the external control that has SIM card now with simple independent structures realization switch on different service functions fast.
The present invention is achieved by the following technical solutions:
The present invention includes: an electronic chip processor, a mobile communication interface and a SIM card communication interface, wherein mobile communication interface one end links to each other with the standard input/output port of electronic chip processor, and the other end of mobile communication interface is connected to the standard input/output port of portable terminal; One end of SIM card communication interface links to each other with the standard input/output port of electronic chip processor, and the other end of SIM card communication interface links to each other with the SIM card communication interface.
Described electronic chip processor specifically comprises: reply answer signal (ATR) processing module, agreement and parameter and select (PPS) processing module and Application Protocol Data Unit (APDU) module, the input and output of above-mentioned three modules are parallel to mobile communication interface and SIM card communication interface respectively.
Described answer answer signal is a string byte that has comprised the relevant information of SIM card that sends to portable terminal after SIM card resets at every turn automatically, and portable terminal is kept at the ATR signal of correspondence in the memory.
Described reset answer signal processing module is used to receive the ATR signal that sends from the IO port of SIM card, and the ATR signal that is received is sent to mobile phone by standard I-O interface IO1.
Described agreement and parameter are selected processing module to receive from portable terminal and are selected request through agreement and parameter that the mobile communication interface sends over, and logic decision is carried out in this request.
Described agreement and parameter select to comprise the record of two transmission rates, and promptly the actual transfer rate of portable terminal and SIM card record and electronic chip processor are through the actual transfer rate record of mobile communication interface and portable terminal.
Described logic decision specifically is that agreement and parameter selection are compared with the specified transmission rate record in being stored in agreement and parameter selection processing module, when the actual transfer rate record writes down less than specified transmission rate, agreement and parameter select processing module that transmission rate is adjusted into specified transmission rate, carry out message transmission otherwise transmission rate is set at actual transfer rate.
Described Application Protocol Data Unit module comprises Application Protocol Data Unit judgment part and Application Protocol Data Unit operating part, wherein: the Application Protocol Data Unit judgment part receives three kinds of Application Protocol Data Unit requests of sending through the mobile communication interface from portable terminal and described request is sorted out and is distributed to the Application Protocol Data Unit operating part, and the then corresponding different requests classification of Application Protocol Data Unit operating part is operated.
The present invention under the prerequisite that does not influence original intelligent card function, the additional extension function that the system that is convenient to use provides.It is simple in structure, promptly pastes i.e. usefulness, and feasibility is good, and transplantability is strong.System of the present invention has taken over the data that portable terminal sends to SIM card, and the data of butt tube are judged, are handled, and filtered the operation that instruction after will handling is sent to SIM card, bottom line is the cost of the phone call of having saved the user, with respect to traditional SIM card, this what's new obviously makes the cellie convenient useful.
Description of drawings
Fig. 1 is a structural representation block diagram of the present invention
Fig. 2 is the embodiment front view
Fig. 3 is the embodiment rearview
Fig. 4 is the embodiment installation diagram
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated: present embodiment has provided detailed execution mode and process being to implement under the prerequisite with the technical solution of the present invention, but protection scope of the present invention is not limited to following embodiment.
As shown in Figure 1, present embodiment comprises: an electronic chip processor, a mobile communication interface and a SIM card communication interface, wherein mobile communication interface one end links to each other with the standard input/output port of electronic chip processor, and the other end of mobile communication interface is connected to the standard input/output port of portable terminal; One end of SIM card communication interface links to each other with the standard input/output port of electronic chip processor, and the other end of SIM card communication interface links to each other with the SIM card communication interface.Wherein the electronic chip processor specifically comprises: ATR processing module, PPS processing module and APDU module, the input and output of above-mentioned three modules are parallel to mobile communication interface and SIM card communication interface respectively.
Described electronic chip processor specifically comprises: ATR processing module, PPS processing module and APDU module, the input and output of above-mentioned three modules are parallel to mobile communication interface and SIM card communication interface respectively.
Described ATR specifically comprises original character TS, layout character T0, interface character TA1, TB1, TC1 and TD1, historical character T1, T2 ..., Tn (n is a natural constant) and acknowledge character TCK.Wherein: original character TS: this is a byte that is used to indicate Communication Layer byte transformat; Layout character T0: this is a byte that is used to indicate ATR subsequent content form; Interface character TA1: this is a byte that is used to indicate the card transfer rate capabilities; Interface character TB1: this is a byte that is used to indicate card programmable current size; Interface character TC1: this is one and is used for indicating the card transmission course byte of per two byte interbody spacer times; Interface character TD1: this is a byte that is used to indicate the card host-host protocol; Historical character T1 T2 ... Tn: this is a string byte that is used to indicate card production firm information; Acknowledge character TCK: this is a byte that is used to check the ATR integrality.
Described ATR processing module is used to receive the ATR signal that sends from the data communication port of SIM card, and the data that received are sent to mobile phone by standard I-O interface IO1.
Described PPS comprises original character PPSS, layout character PPS0, and interface character PPS1, PPS2, PPS3 and acknowledge character PCK, wherein byte PPS1 is used to represent transmission rate.Wherein: original character PPSS: this is one and is used to indicate the byte that subsequent byte is the PPS content; Layout character PPS0: this is a byte that is used to indicate PPS subsequent content form; PPS2: synchronous communication speed; PPS3: this is a temporary transient not reserved byte of usefulness; Acknowledge character TCK: this is a byte that is used to check the ATR integrality.
Described PPS processing module receives the PPS request that sends over through the mobile communication interface from portable terminal, and logic decision is carried out in this request.
Described PPS request comprises the record of two transmission rates, and promptly the actual transfer rate of portable terminal and SIM card record and electronic chip processor are through the actual transfer rate record of mobile communication interface and portable terminal.
Described logic decision specifically is that the PPS request is compared with the specified transmission rate record in being stored in agreement and parameter selection processing module, when the actual transfer rate record writes down less than specified transmission rate, agreement and parameter select processing module that transmission rate is adjusted into specified transmission rate, carry out message transmission otherwise transmission rate is set at actual transfer rate.
PPS1 in the PPS signal of described specified transmission rate correspondence is 0x11, and specified transmission rate is inferior to be meant that per 372 CLOCK transmit the data of a bit.
Described APDU module comprises APDU judgment part and APDU operating part, wherein the APDU judgment part receives three kinds of APDU requests of sending through the mobile communication interface from portable terminal and described request is sorted out and is distributed to the APDU operating part, and the then corresponding different requests classification of APDU operating part is operated.
Described three class APDU comprise:
1) to the SIM card solicit operation
2) to the solicit operation of electronic chip processor
3) mobile terminal request is operated
After three kinds of APDU requests that receive the portable terminal transmission, the APDU operating part is handled according to following three kinds of modes:
1) the electronic chip processor directly is sent to SIM card with APDU by the SIM card communication interface, carries out the APDU operation by SIM card;
2) the electronic chip processor receives APDU, and the APDU that is received is handled, and the APDU after will handling afterwards is sent to SIM card by the SIM card communication interface;
3) the electronic chip processor receives APDU, and to the APDU that is received is handled, the APDU that directly will handle is sent to portable terminal by the mobile communication interface afterwards.
Extremely shown in Figure 4 as Fig. 2, present embodiment comprises: lead panel 1, SIM card 2, electronic chip processor 3, power pins VCC, reset signal pin RST, clock pulse pin CLK and ground signalling pin GND mobile communication interface IO1, SIM card communication interface IO2, SIM card power pins VCC2, SIM card reset signal pin RST2, SIM card clock pulse pin CLK2 and SIM card ground signalling pin GND2.
Described lead panel 1 i.e. the package panel with lead that is used for fixing electronic chip processor 3, and this panel can link to each other the pin in front with the SIM card contact point of reverse side.
Present embodiment is under the prerequisite that does not influence original SIM card function, the data that mobile phone is sent to SIM card have been taken over by the external data communication interface, in the electronic chip processor, data are carried out logic determines and processing and filtration, again filtered data is sent to SIM card, thereby use according to the data message selection function after handling, realized on SIM card, increasing the purpose of function and the more applications of expansion, satisfied current mobile communication technology the requirement of smart card on function.
Claims (8)
1, a kind of external extension control system that is applied to SIM card, it is characterized in that, comprise: an electronic chip processor, a mobile communication interface and a SIM card communication interface, wherein mobile communication interface one end links to each other with the standard input/output port of electronic chip processor, and the other end of mobile communication interface is connected to the standard input/output port of portable terminal; One end of SIM card communication interface links to each other with the standard input/output port of electronic chip processor, and the other end of SIM card communication interface links to each other with the SIM card communication interface.
2, the external extension control system that is applied to SIM card as claimed in claim 1, it is characterized in that, described electronic chip processor specifically comprises: reply answer signal processing module, agreement and parameter and select processing module and Application Protocol Data Unit module, the input and output of above-mentioned three modules are parallel to mobile communication interface and SIM card communication interface respectively.
3, the external extension control system that is applied to SIM card as claimed in claim 2, it is characterized in that, described answer answer signal is a string byte that has comprised the relevant information of SIM card that sends to portable terminal after SIM card resets at every turn automatically, and portable terminal is kept at the ATR signal of correspondence in the memory.
4, the external extension control system that is applied to SIM card as claimed in claim 2, it is characterized in that, described reset answer signal processing module is used to receive the ATR signal that sends from the IO port of SIM card, and the ATR signal that is received is sent to mobile phone by standard I-O interface IO1.
5, the external extension control system that is applied to SIM card as claimed in claim 2, it is characterized in that, described agreement and parameter are selected processing module to receive from portable terminal and are selected request through agreement and parameter that the mobile communication interface sends over, and logic decision is carried out in this request.
6, the external extension control system that is applied to SIM card as claimed in claim 5, it is characterized in that, described agreement and parameter select to comprise the record of two transmission rates, and the actual transfer rate record of portable terminal and SIM card and electronic chip processor are through the actual transfer rate record of mobile communication interface and portable terminal.
7, the external extension control system that is applied to SIM card as claimed in claim 5, it is characterized in that, described logic decision specifically is that agreement and parameter selection are compared with the specified transmission rate record in being stored in agreement and parameter selection processing module, when the actual transfer rate record writes down less than specified transmission rate, agreement and parameter select processing module that transmission rate is adjusted into specified transmission rate, carry out message transmission otherwise transmission rate is set at actual transfer rate.
8, the external extension control system that is applied to SIM card as claimed in claim 2, it is characterized in that, described Application Protocol Data Unit module comprises Application Protocol Data Unit judgment part and Application Protocol Data Unit operating part, wherein: the Application Protocol Data Unit judgment part receives three kinds of Application Protocol Data Unit requests of sending through the mobile communication interface from portable terminal and described request is sorted out and is distributed to the Application Protocol Data Unit operating part, and the then corresponding different requests classification of Application Protocol Data Unit operating part is operated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100342802A CN101267622A (en) | 2008-03-06 | 2008-03-06 | External extension control system for SIM card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100342802A CN101267622A (en) | 2008-03-06 | 2008-03-06 | External extension control system for SIM card |
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| Publication Number | Publication Date |
|---|---|
| CN101267622A true CN101267622A (en) | 2008-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100342802A Pending CN101267622A (en) | 2008-03-06 | 2008-03-06 | External extension control system for SIM card |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101976370A (en) * | 2010-09-26 | 2011-02-16 | 北京握奇数据系统有限公司 | Intelligent chip and data communication method thereof |
| CN102004629A (en) * | 2010-11-23 | 2011-04-06 | 北京握奇数据系统有限公司 | Method, device and paster card for forwarding control |
| CN102647702A (en) * | 2011-12-06 | 2012-08-22 | 中兴通讯股份有限公司 | Device and method for information copy and backup of mobile terminal |
| CN105375942A (en) * | 2015-11-26 | 2016-03-02 | 王家城 | Watch phone with wireless SIM (Subscriber Identity Module) transmission function |
-
2008
- 2008-03-06 CN CNA2008100342802A patent/CN101267622A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101976370A (en) * | 2010-09-26 | 2011-02-16 | 北京握奇数据系统有限公司 | Intelligent chip and data communication method thereof |
| CN102004629A (en) * | 2010-11-23 | 2011-04-06 | 北京握奇数据系统有限公司 | Method, device and paster card for forwarding control |
| CN102647702A (en) * | 2011-12-06 | 2012-08-22 | 中兴通讯股份有限公司 | Device and method for information copy and backup of mobile terminal |
| CN102647702B (en) * | 2011-12-06 | 2017-11-24 | 中兴通讯股份有限公司 | A kind of information of mobile terminal copy backup device and method |
| CN105375942A (en) * | 2015-11-26 | 2016-03-02 | 王家城 | Watch phone with wireless SIM (Subscriber Identity Module) transmission function |
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Open date: 20080917 |