CN107103353A - A kind of radio-frequency SIM card, control method and mobile terminal - Google Patents
A kind of radio-frequency SIM card, control method and mobile terminal Download PDFInfo
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- CN107103353A CN107103353A CN201710245495.8A CN201710245495A CN107103353A CN 107103353 A CN107103353 A CN 107103353A CN 201710245495 A CN201710245495 A CN 201710245495A CN 107103353 A CN107103353 A CN 107103353A
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- receiving
- main control
- control chip
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
- G06K19/07771—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card the record carrier comprising means for minimising adverse effects on the data communication capability of the record carrier, e.g. minimising Eddy currents induced in a proximate metal or otherwise electromagnetically interfering object
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/0723—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K2203/00—Jamming of communication; Countermeasures
- H04K2203/10—Jamming or countermeasure used for a particular application
- H04K2203/20—Jamming or countermeasure used for a particular application for contactless carriers, e.g. RFID carriers
Abstract
The invention discloses radio-frequency SIM card, control method and mobile terminal.This method includes, and field strength detection module senses the field intensity signal of card reader, produces induced-current, induced-current output current signal I1 after amplifier module is with default multiplication factor processing；The distance detection current threshold I0 of setting；If I1 ＜ I0, swiped the card first during swiping the card and fail success of swiping the card, user can shorten the distance between mobile phone and card reader, adjustment mobile phone card-brushing angle etc., then amplifier module multi-gear adjustment presets multiplication factor, successive ignition multilevel iudge output current signal I1, until output current signal I1 is more than current threshold I0；If I1 >=I0, represent output current signal I1 and reach the minimum current signal that main control chip can be recognized, then wake up main control chip；Main control chip starts RF receiving and transmission module.The influence that the different interference and different application environment for making material to radiofrequency signal of different mobile phones are brought is overcome with this, radio-frequency SIM is may be used at different environment and application scenarios.
Description
【Technical field】
The present invention relates to communication technical field, more particularly to a kind of radio-frequency SIM card, control method and mobile terminal.
【Background technology】
With continuing to develop for banking network, the financial consumption instrument such as POS has been deep into the days such as furniture, consumption and trip
Each corner often lived.Mobile phone is indispensable a kind of portable mobile termianl in modern humans' life, by financial payment,
The functions such as ticket, identification are integrated into mobile phone, it has also become develop mobile phone and its periphery accessory industry this year one is new
Emerging focus.Radio frequency payment function is bound with SIM cards of mobile phones, be nowadays develop it is very fast, using it is relatively wide, using relatively stable
A kind of mobile-phone payment solution.The mobile phone radio frequency for realizing radio communication is integrated with this scheme, on SIM cards of mobile phones
It is used for LF, RF chip of radio communication in SIM card, and realizes protocol processes, the MCU chip of data safety management, above-mentioned core
Piece mutual connection, and being communicated by ISO-7816 ports with mobile phone baseband, cooperative achievement by mobile phone menu access and can be managed
The Mobile banking function of reason.
Mobile phone model is various on the market at present, and manufacture material is also not quite similar.To overcome the different of different mobile phones to make material
The influence that the interference of confrontation radiofrequency signal and different application environment are brought, signal receipts are being carried out to the chip for being responsible for radio communication
It need to be made during hair and be adapted to different environment and application scenarios accordingly.Moreover, the work electricity of different manufacturers card reader
Stream is also not quite similar.Accordingly, it is desirable to provide the control method of radio-frequency SIM card, can overcome the different of different mobile phones to make material pair
The influence that the interference of radiofrequency signal and different application environment are brought, so that radio-frequency SIM may be used at different environment and should
Use scene.
【The content of the invention】
The present invention is that the different materials that make for overcoming different mobile phones are done to radiofrequency signal for prior art radio-frequency SIM card
Disturb and influence that different application environment is brought technical problem there is provided a kind of radio-frequency SIM card, control method and mobile terminal,
Technical scheme is as follows：
The embodiment of the present invention provides a kind of control method of radio-frequency SIM card, and the radio-frequency SIM card includes main control chip and divided
The RF receiving and transmission module and field strength detection module not being connected with the main control chip, methods described include：
The field strength detection module senses the field intensity signal of card reader, produces induced-current, the induced-current is by fortune
Amplification module is with output current signal I1 after default multiplication factor processing；
Distance detection current threshold I0, relatively more described current signal I1 and current threshold I0 are set；
If I1 ＜ I0, multiplication factor, successive ignition multilevel iudge output current letter are preset described in amplifier module multi-gear adjustment
Number I1, until output current signal I1 is more than current threshold I0；
If I1 >=I0, the main control chip is waken up；The main control chip starts the RF receiving and transmission module, radio-frequency receiving-transmitting mould
Block sends connection request with default transmission power and receives the response that card reader is returned according to the connection request.
Alternatively, methods described also includes：
If not receiving the response that card reader is returned according to the connection request in preset period of time, the radio-frequency receiving-transmitting mould
Block multi-gear adjustment transmission power is until receive the response of card reader, and multi-gear adjustment transmission power according to increasing transmission power successively
Signal intensity sequential adjustment；Wherein, multi-gear adjustment transmission power is -20dBm, -16dBm, 0dBm, 4dBm fourth gear are adjustable.
Alternatively, by the multiplication factor of electric current described in amplifier module multi-gear adjustment according to the suitable of increase multiplication factor successively
Sequence is adjusted；The default multiplication factor is 5000 times, and multiplication factor is preset described in the amplifier module multi-gear adjustment according to 10000
Times, 15000 times, 20000 times of stepping be adjusted, the time-consuming 2ms of adjustment every time.
Alternatively, methods described also includes：
Current amplifier of the record by current amplification factor described in amplifier module multi-gear adjustment when determining I1 >=I0
Multiple, and it is used as newly default multiplication factor.
Alternatively, when the field strength detection module is not sensed by the field intensity signal of any adaptation, the main control chip and
RF receiving and transmission module is in resting state.
The embodiment of the present invention also provides a kind of radio-frequency SIM card, the radio-frequency SIM card include main control chip and respectively with it is described
The RF receiving and transmission module and field strength detection module of main control chip connection；
The field strength detection module senses the field intensity signal of card reader, produces induced-current, the induced-current is by fortune
Amplification module is with output current signal I1 after default multiplication factor processing；Distance detection current threshold I0, relatively more described electric current are set
Signal I1 and current threshold I0；
If I1 ＜ I0, multiplication factor, successive ignition multilevel iudge output current letter are preset described in amplifier module multi-gear adjustment
Number I1, until output current signal I1 is more than current threshold I0；
If I1 >=I0, the main control chip is waken up；The main control chip starts the RF receiving and transmission module, radio-frequency receiving-transmitting mould
Block sends connection request with default transmission power and receives the response that card reader is returned according to the connection request.
Alternatively, if RF receiving and transmission module does not receive card reader according to answering that the connection request is returned in preset period of time
Answer, then response of the RF receiving and transmission module multi-gear adjustment transmission power up to receiving card reader, wherein, multi-gear adjustment transmitting
Power is -20dBm, -16dBm, 0dBm, 4dBm fourth gear are adjustable.
Alternatively, by the multiplication factor of electric current described in amplifier module multi-gear adjustment according to the suitable of increase multiplication factor successively
Sequence is adjusted；Multi-gear adjustment transmission power according to successively increase transmission power signal intensity sequential adjustment；The default amplification
Multiple is 5000 times, and multiplication factor is preset described in the amplifier module multi-gear adjustment according to 10000 times, 15000 times, 20000 times
Stepping be adjusted, the time-consuming 2ms of adjustment every time.
Alternatively, the field strength detection module record passes through current amplification factor described in amplifier module multi-gear adjustment until sentencing
Break to current amplification factor during I1 >=I0, and be used as newly default multiplication factor.
The embodiment of the present invention also provides a kind of mobile terminal, and the mobile terminal is communicated based on radio-frequency SIM card described above.
The beneficial effect of the embodiment of the present invention is that radio-frequency SIM card control method provided in an embodiment of the present invention is described to penetrate
Frequency SIM card includes main control chip and the RF receiving and transmission module and field strength detection module that are connected respectively with the main control chip, when penetrating
When frequency SIM card is placed in the field intensity signal of card reader transmitting, the field strength detection module senses the field intensity signal of card reader, produces
Induced-current, because induced-current is more faint, induced-current exports electricity after amplifier module is with default multiplication factor processing
Flow signal I1；Compare the current signal I1 and the distance detection current threshold I0 set；If I1 ＜ I0, output current letter is represented
Number I1 also not up to requires that now distance detection does not pass through, then multiplication factor is preset described in amplifier module multi-gear adjustment, repeatedly repeatedly
For multilevel iudge output current signal I1, until output current signal I1 is more than current threshold I0；If I1 >=I0, output electricity is represented
Stream signal I1 reaches the minimum current signal that main control chip can be recognized, then wakes up the main control chip；The main control chip is opened
The RF receiving and transmission module is moved, RF receiving and transmission module sends connection request with default transmission power and receives card reader according to described
The response that connection request is returned.
To overcome the mobile phone of different shielding intensity, the amplifier module of field strength detection module is with defeated after default multiplication factor processing
Go out current signal I1；If I1 ＜ I0, that is, swiped the card first during swiping the card and fail success of swiping the card, user can habitually be adjusted
It is whole, such as shorten the distance between mobile phone and card reader, adjustment mobile phone card-brushing angle etc., successive ignition multilevel iudge output current
Signal I1, until output current signal I1 is more than current threshold I0, radio frequency receipts are started to wake up the main control chip, main control chip
The transmission and reception of module are sent out, the different interference and different application for making material to radiofrequency signal of different mobile phones are overcome with this
The influence that environment is brought, makes radio-frequency SIM may be used at different environment and application scenarios.
【Brief description of the drawings】
One or more embodiments are illustrative by the picture in corresponding accompanying drawing, these exemplary theorys
The element with same reference numbers label is expressed as similar element in the bright restriction not constituted to embodiment, accompanying drawing, removes
Composition is not limited the non-figure having in special statement, accompanying drawing.
Fig. 1 is the flow chart of the control method of radio-frequency SIM card provided in an embodiment of the present invention；
Fig. 2 is the circuit theory schematic diagram of radio-frequency SIM card provided in an embodiment of the present invention；
Fig. 3 is the structural representation of radio-frequency SIM card provided in an embodiment of the present invention；
Fig. 4 is the structural representation of mobile terminal provided in an embodiment of the present invention；
Fig. 5 is the structural representation of electronic equipment provided in an embodiment of the present invention.
【Embodiment】
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not
For limiting the present invention.
Unless otherwise defined, technology all used in this specification and scientific terminology are led with belonging to the technology of the present invention
The implication that the technical staff in domain is generally understood that is identical.Used term is to be in the description of the invention in this specification
The purpose of description specific embodiment, is not intended to the limitation present invention.Term "and/or" includes used in this specification
The arbitrary and all combination of one or more related Listed Items.
As long as in addition, technical characteristic involved in each embodiment of invention described below is each other not
Constituting conflict can just be mutually combined.
Embodiment one
As shown in figure 1, the control method of radio-frequency SIM card provided in an embodiment of the present invention, the radio-frequency SIM card includes master control
Chip and the RF receiving and transmission module being connected respectively with the main control chip and field strength detection module.Specifically, RF receiving and transmission module
Connect radio-frequency antenna, field strength detection module connection field strength detection antenna.Methods described includes：
Step 10, the field strength detection module sense the field intensity signal of card reader, produce induced-current, the induced-current
The output current signal I1 after amplifier module is with default multiplication factor processing；
Step 20, setting distance detection current threshold I0, relatively more described current signal I1 and current threshold I0；
If step 30, I1 ＜ I0, multiplication factor, the output of successive ignition multilevel iudge are preset described in amplifier module multi-gear adjustment
Current signal I1, until output current signal I1 is more than current threshold I0；
If step 40, I1 >=I0, the main control chip is waken up；The main control chip starts the RF receiving and transmission module, penetrates
Frequency transceiver module sends connection request with default transmission power and receives the response that card reader is returned according to the connection request.
, will between two modules after the RF receiving and transmission module and card reader RF receiving and transmission module of radio-frequency SIM card set up connection
Data transfer can be traded, until transaction is completed.
The beneficial effect of the embodiment of the present invention is that radio-frequency SIM card control method provided in an embodiment of the present invention is described to penetrate
Frequency SIM card includes main control chip and the RF receiving and transmission module and field strength detection module that are connected respectively with the main control chip, when penetrating
When frequency SIM card is placed in the field intensity signal of card reader transmitting, the field strength detection module senses the field intensity signal of card reader, field strength
Field intensity signal is converted into current signal by the field strength detection antenna of detection module, produces induced-current, alternatively, induced-current
Need matched Circuit Matching, filter circuit filtering.Because induced-current is more faint, induced-current is by amplifier module with default
Output current signal I1 after multiplication factor processing；Compare the current signal I1 and the distance detection current threshold I0 set；If
I1 ＜ I0, represent output current signal I1 and also not up to require, now distance detection does not pass through, then amplifier module multi-gear adjustment institute
Default multiplication factor, successive ignition multilevel iudge output current signal I1 are stated, until output current signal I1 is more than current threshold
I0；If I1 >=I0, represent output current signal I1 and reach the minimum current signal that main control chip can be recognized, then wake up the master
Control chip；The main control chip starts the RF receiving and transmission module, and RF receiving and transmission module sends connection with default transmission power please
Ask and receive the response that card reader is returned according to the connection request.
To overcome the mobile phone of different shielding intensity, the amplifier module of field strength detection module is with defeated after default multiplication factor processing
Go out current signal I1；If I1 ＜ I0, that is, swiped the card first during swiping the card and fail success of swiping the card, now, user can habitually enter
Row adjustment, such as shorten the distance between mobile phone and card reader, adjustment mobile phone card-brushing angle etc., the output of successive ignition multilevel iudge
Current signal I1, until output current signal I1 is more than current threshold I0, is penetrated with waking up the main control chip, main control chip startup
The transmission and reception of frequency transceiver module, the different interference and difference for making material to radiofrequency signal of different mobile phones are overcome with this
The influence that application environment is brought, makes radio-frequency SIM may be used at different environment and application scenarios.
In another embodiment, methods described also includes：
It is described to penetrate if step 50, in preset period of time not receiving the response that card reader is returned according to the connection request
Frequency transceiver module multi-gear adjustment transmission power is until receive the response of card reader, and multi-gear adjustment transmission power according to increasing successively
The sequential adjustment of the signal intensity of transmission power；Wherein, multi-gear adjustment transmission power is -20dBm, -16dBm, 0dBm, 4dBm tetra-
Shelves are adjustable.
After distance detection passes through, i.e. I1 >=I0, the main control chip of radio-frequency SIM card wakes up RF receiving and transmission module, and radio frequency is received
Hair module has radio-frequency receiving-transmitting function, specifically, and RF receiving and transmission module is the rf chip of radio-frequency SIM card；Radio-frequency receiving-transmitting
The transmission power of module is -20dBm, -16dBm, 0dBm, 4dBm fourth gear are adjustable.In certain embodiments, transmission power is preset to write from memory
Recognize with -20dBm to card reader connection request, i.e. transmitting request connection signal, if do not received in preset period of time card reader according to
The response that the connection request is returned, RF receiving and transmission module will increase the transmission power signal intensity of connection request successively；From-
20dBm, -16dBm, 0dBm to 4dBm totally four iteration, i.e. multi-gear adjustment transmission power according to -20dBm, -16dBm, 0dBm,
4dBm stepping is adjusted.When the operating current in face of different manufacturers card reader is not quite similar, by setting radio-frequency receiving-transmitting
The default transmission power of module, the mode of multi-gear adjustment transmission power when not receiving response, is suitable for most of card reader
Operating current.
Further, record by current amplification factor described in amplifier module multi-gear adjustment until when determining I1 >=I0
Current amplification factor, and it is used as newly default multiplication factor.For example when amplifier module regulation multiplication factor is 10000 times, judge
To I1 >=I0, then using multiplication factor 10000 as new default multiplication factor, i.e., as the preset value of next multiplication factor.
Alternatively, when the field strength detection module is not sensed by the field intensity signal of any adaptation, the main control chip and
RF receiving and transmission module is in resting state, to avoid swiping the card by mistake, that is, avoids RF receiving and transmission module from being received and dispatched when that should not work
Signal, it is to avoid Consumer's Experience is caused damage and reduced to user.As I1 >=I0, external interrupt is produced, radio-frequency SIM card is waken up
Main control chip, show distance detection pass through.
In another embodiment, amplified by the multiplication factor of electric current described in amplifier module multi-gear adjustment according to increase successively
The sequential adjustment of multiple；The default multiplication factor is 5000 times, and multiplication factor is preset described in the amplifier module multi-gear adjustment
It is adjusted according to 10000 times, 15000 times, 20000 times of stepping, every time the time-consuming 2ms of adjustment.
To overcome the mobile phone of different shielding intensity, the times magnification of the rear end amplifier module of radio-frequency SIM card field strength detection module
Number need to be adjusted in 5000~20000 dynamic range, and it is 5000 times that multiplication factor, which presets multiplication factor, according to from 5000
The cloth to 10000 times, 15000 times, 20000 times is adjusted again, every time the time-consuming 2ms of adjustment；Swiped the card first during swiping the card
If failing success of swiping the card, user can habitually be adjusted, such as shorten the distance between mobile phone and card reading module, adjustment hand
Machine is swiped the card angle etc.；Identical is swiped the card the different customs of swiping the card of multiple correspondence, the correspondence generation of radio-frequency SIM card field strength detection module
Induced-current is also different.
4 grades of radio-frequency SIM card field strength mechanism is adjustable can to meet most of application scenarios, adjustable gear mistake
Adjustment can be caused time-consuming long if many, so as to influence fluency of swiping the card.
Radio-frequency SIM card field strength detection module and the equal fourth gear of RF receiving and transmission module are adjustable, and common 4*4=16 kinds launch situation, greatly
The adjustment time of radio-frequency SIM card main control chip and radio-frequency SIM card RF receiving and transmission module is reduced greatly, different application rings are being met
Fluency of swiping the card is improved simultaneously under border, Consumer's Experience is enhanced.
Embodiment two
As shown in Figure 2,3, radio-frequency SIM card 200 provided in an embodiment of the present invention, the radio-frequency SIM card 200 includes master control core
Piece 210 and the RF receiving and transmission module 220 and field strength detection module 230 being connected respectively with the main control chip 210；
The field strength detection module 230 senses the field intensity signal of card reader, produces induced-current, and the induced-current passes through
Amplifier module is with output current signal I1 after default multiplication factor processing；Distance detection current threshold I0, relatively more described electricity are set
Flow signal I1 and current threshold I0；
If I1 ＜ I0, multiplication factor, successive ignition multilevel iudge output current letter are preset described in amplifier module multi-gear adjustment
Number I1, until output current signal I1 is more than current threshold I0；
If I1 >=I0, the main control chip 210 is waken up；The main control chip 210 starts the RF receiving and transmission module 220,
RF receiving and transmission module 220 sends connection request with default transmission power and receives card reader according to answering that the connection request is returned
Answer.
It should be noted that radio-frequency SIM card 200 and the penetrating that the inventive method embodiment is proposed of proposition of the embodiment of the present invention
The control method of frequency SIM card is based in the relevant art in identical inventive concept, embodiment of the method and radio-frequency SIM card embodiment
Appearance can be mutually applicable, and be no longer described in detail herein.
The beneficial effect of the embodiment of the present invention is that radio-frequency SIM card 200 provided in an embodiment of the present invention includes main control chip
210 and the RF receiving and transmission module 220 and field strength detection module 230 that are connected respectively with the main control chip 210, work as radio-frequency SIM card
200 when being placed in the field intensity signal of card reader transmitting, and the field strength detection module 230 senses the field intensity signal of card reader, field strength
Field intensity signal is converted into current signal by the field strength detection antenna of detection module 230, produces induced-current, alternatively, sensing
Electric current needs matched Circuit Matching, filter circuit filtering.Because induced-current is more faint, induced-current by amplifier module with
Output current signal I1 after default multiplication factor processing；Compare the current signal I1 and the distance detection current threshold set
I0；If I1 ＜ I0, represent output current signal I1 and also not up to require, now distance detection does not pass through, then amplifier module multi gear
The default multiplication factor, successive ignition multilevel iudge output current signal I1 are adjusted, until output current signal I1 is more than electricity
Flow threshold value I0；If I1 >=I0, represent output current signal I1 and reach the minimum current signal that main control chip can be recognized, then wake up
The main control chip 210；The main control chip 210 starts the RF receiving and transmission module 220, and RF receiving and transmission module 220 is with default
Transmission power sends connection request and receives the response that card reader is returned according to the connection request.
To overcome the mobile phone of different shielding intensity, the amplifier module of field strength detection module 230 is handled with default multiplication factor
Output current signal I1 afterwards；If I1 ＜ I0, that is, swiped the card first during swiping the card and fail success of swiping the card, now, user can be habitual
Be adjusted, such as shorten the distance between mobile phone and card reader, adjustment mobile phone card-brushing angle etc..Radio-frequency SIM card more than 200 times
Iteration multilevel iudge output current signal I1, until output current signal I1 is more than current threshold I0, to wake up the master control core
Piece 210, main control chip 210 start the transmission and reception of RF receiving and transmission module 220, overcome the different of different mobile phones to make material with this
The influence that the interference of confrontation radiofrequency signal and different application environment are brought, make radio-frequency SIM 200 may be used at different environment with
And application scenarios.
In another embodiment, the radio-frequency SIM 200 also includes：If RF receiving and transmission module 220 is not received in preset period of time
The response returned to card reader according to the connection request, then the multi-gear adjustment transmission power of RF receiving and transmission module 220 until
The response of card reader is received, wherein, multi-gear adjustment transmission power is -20dBm, -16dBm, 0dBm, 4dBm fourth gear are adjustable.
After distance detection passes through, i.e. I1 >=I0, the main control chip 210 of radio-frequency SIM card 200 wakes up RF receiving and transmission module
220, RF receiving and transmission module 220 has radio-frequency receiving-transmitting function, specifically, and RF receiving and transmission module 220 is received for the radio frequency of radio-frequency SIM card
Send out chip；The transmission power of RF receiving and transmission module 220 is -20dBm, -16dBm, 0dBm, 4dBm fourth gear are adjustable.In some implementations
In example, transmission power acquiescence is preset with -20dBm to card reader connection request, i.e. transmitting request connection signal, if in preset period of time
The response that card reader is returned according to the connection request is not received inside, RF receiving and transmission module 220 will increase connection request successively
Transmission power signal intensity；From -20dBm, -16dBm, 0dBm to 4dBm totally four iteration, i.e. multi-gear adjustment transmission power according to -
20dBm, -16dBm, 0dBm, 4dBm stepping are adjusted.It is not quite similar in the operating current in face of different manufacturers card reader
When, by setting the default transmission power of RF receiving and transmission module 220, the side of multi-gear adjustment transmission power when not receiving response
Formula, is suitable for the operating current of most of card reader.
Further, record by current amplification factor described in amplifier module multi-gear adjustment until when determining I1 >=I0
Current amplification factor, and it is used as newly default multiplication factor.For example when amplifier module regulation multiplication factor is 10000 times, judge
To I1 >=I0, then using multiplication factor 10000 as new default multiplication factor, i.e., as the preset value of next multiplication factor.
Alternatively, when the field strength detection module 230 is not sensed by the field intensity signal of any adaptation, the main control chip
210 and RF receiving and transmission module 220 be in resting state, to avoid swiping the card by mistake, that is, avoid RF receiving and transmission module 220 should not
Receiving and transmitting signal during work, it is to avoid Consumer's Experience is caused damage and reduced to user.As I1 >=I0, external interrupt is produced, is called out
The main control chip 210 of awake radio-frequency SIM card 200, shows that distance detection passes through.
In another embodiment, amplified by the multiplication factor of electric current described in amplifier module multi-gear adjustment according to increase successively
The sequential adjustment of multiple；Multi-gear adjustment transmission power according to successively increase transmission power signal intensity sequential adjustment；It is described
Default multiplication factor is 5000 times, preset described in the amplifier module multi-gear adjustment multiplication factor according to 10000 times, 15000 times,
20000 times of stepping is adjusted, every time the time-consuming 2ms of adjustment.
The field strength detection module 230 and the equal fourth gear of RF receiving and transmission module 220 of radio-frequency SIM card 200 are adjustable, common 4*4=16 kinds
Transmitting situation, greatly reduces the main control chip 210 of radio-frequency SIM card 200 and the adjustment time of RF receiving and transmission module 220, full
Fluency of swiping the card is improved simultaneously under the different application environment of foot, Consumer's Experience is enhanced.
Embodiment three
As shown in figure 4, the embodiment of the present invention provides mobile terminal 300, the mobile terminal 300 is based on above-mentioned radio frequency
SIM card 200 communicates.
The radio-frequency SIM card 200 includes main control chip 210 and the radio-frequency receiving-transmitting being connected respectively with the main control chip 210
Module 220 and field strength detection module 230；
The field strength detection module 230 senses the field intensity signal of card reader, produces induced-current, and the induced-current passes through
Amplifier module is with output current signal I1 after default multiplication factor processing；Distance detection current threshold I0, relatively more described electricity are set
Flow signal I1 and current threshold I0；
If I1 ＜ I0, multiplication factor, successive ignition multilevel iudge output current letter are preset described in amplifier module multi-gear adjustment
Number I1, until output current signal I1 is more than current threshold I0；
If I1 >=I0, the main control chip 210 is waken up；The main control chip 210 starts the RF receiving and transmission module 220,
RF receiving and transmission module 220 sends connection request with default transmission power and receives card reader according to answering that the connection request is returned
Answer.
It should be noted that mobile terminal 300 and the penetrating that the inventive method embodiment is proposed of proposition of the embodiment of the present invention
Control method, the radio-frequency SIM card embodiment of frequency SIM card are based on identical inventive concept, and embodiment of the method, radio-frequency SIM card are implemented
Relevant art content in example can be mutually applicable in mobile terminal embodiment, is no longer described in detail herein.
The beneficial effect of the embodiment of the present invention is that mobile terminal 300 is communicated based on radio-frequency SIM card 200, radio-frequency SIM card
200 include main control chip 210 and the RF receiving and transmission module 220 and field strength detection module that are connected respectively with the main control chip 210
230, when in the field intensity signal that radio-frequency SIM card 200 is placed in card reader transmitting, the field strength detection module 230 senses card reader
Field intensity signal, field intensity signal is converted into current signal, produces induced electricity by the field strength detection antenna of field strength detection module 230
Stream, alternatively, induced-current need matched Circuit Matching, filter circuit filtering.Because induced-current is more faint, induced-current
The output current signal I1 after amplifier module is with default multiplication factor processing；Compare the current signal I1 and the distance set
Detect current threshold I0；If I1 ＜ I0, represent output current signal I1 and also not up to require, now distance detection does not pass through, then
Multiplication factor, successive ignition multilevel iudge output current signal I1, until output current are preset described in amplifier module multi-gear adjustment
Signal I1 is more than current threshold I0；If I1 >=I0, represent output current signal I1 and reach the minimum electricity that main control chip can be recognized
Signal is flowed, then wakes up the main control chip 210；The main control chip 210 starts the RF receiving and transmission module 220, radio-frequency receiving-transmitting
Module 220 sends connection request with default transmission power and receives the response that card reader is returned according to the connection request.
In another embodiment, the radio-frequency SIM 200 also includes：If not receiving card reader in preset period of time according to institute
The response of connection request return is stated, then the RF receiving and transmission module multi-gear adjustment transmission power is until receive answering for card reader
Answer, multi-gear adjustment transmission power according to successively increase transmission power signal intensity sequential adjustment；Wherein, multi-gear adjustment is launched
Power is -20dBm, -16dBm, 0dBm, 4dBm fourth gear are adjustable.
Further, record by current amplification factor described in amplifier module multi-gear adjustment until when determining I1 >=I0
Current amplification factor, and it is used as newly default multiplication factor.
Alternatively, when the field strength detection module is not sensed by the field intensity signal of any adaptation, the main control chip and
RF receiving and transmission module is in resting state.
In another embodiment, amplified by the multiplication factor of electric current described in amplifier module multi-gear adjustment according to increase successively
The sequential adjustment of multiple；The default multiplication factor is 5000 times, and multiplication factor is preset described in the amplifier module multi-gear adjustment
It is adjusted according to 10000 times, 15000 times, 20000 times of stepping, every time the time-consuming 2ms of adjustment.
The field strength detection module 230 and the equal fourth gear of RF receiving and transmission module 220 of radio-frequency SIM card 200 are adjustable, common 4*4=16 kinds
Transmitting situation, greatly reduces the main control chip 210 of radio-frequency SIM card 200 and the adjustment time of RF receiving and transmission module 220, full
Fluency of swiping the card is improved simultaneously under the different application environment of foot, Consumer's Experience is enhanced.
Fig. 5 is refer to, Fig. 5 is the structural representation of a kind of electronic equipment 800 provided in an embodiment of the present invention, such as Fig. 5 institutes
Show, the electronic equipment 800 includes：
In one or more processors 801 and memory 802, Fig. 5 by taking a processor 801 as an example.
Processor 801, memory 802 can be connected by bus or other modes, to be connected as by bus in Fig. 5
Example.
Memory 802 is as a kind of non-volatile computer readable storage medium storing program for executing, available for storage non-volatile software journey
Radio-frequency SIM card control method in sequence, non-volatile computer executable program and module, such as the embodiment of the present application is corresponding
Programmed instruction/module.Processor 801 is stored in non-volatile software program, instruction and mould in memory 802 by operation
Block, so that various function application and the data processing of execute server, that is, realize that above method embodiment radio-frequency SIM card is controlled
Method.
Memory 802 can include storing program area and storage data field, wherein, storing program area can store operation system
Application program required for system, at least one function；Storage data field can be stored realizes device according to the blind behaviour of mobile terminal
Use created interaction request, interactive interface and interaction point position etc..In addition, memory 802 can include depositing at random at a high speed
Access to memory, can also include nonvolatile memory, for example, at least one disk memory, flush memory device or other are non-
Volatile solid-state part.In certain embodiments, memory 802 is optional including remotely located relative to processor 801
Memory, these remote memories can realize device by the blind behaviour of network connection to mobile terminal.The example of above-mentioned network
Including but not limited to internet, intranet, LAN, mobile radio communication and combinations thereof.
One or more of modules are stored in the memory 802, when by one or more of processors
During 801 execution, the radio-frequency SIM card control method in above-mentioned any means embodiment is performed, for example, performing Fig. 1 described above
In method and step 10 to step 40 function.
The said goods can perform the method that the embodiment of the present application is provided, and possesses the corresponding functional module of execution method and has
Beneficial effect.Not ins and outs of detailed description in the present embodiment, reference can be made to the method that the embodiment of the present application is provided.
The electronic equipment of the embodiment of the present application exists in a variety of forms, includes but is not limited to：
(1) mobile communication equipment：The characteristics of this kind equipment is that possess mobile communication function, and to provide speech, data
Communicate as main target.This Terminal Type includes:Smart mobile phone (such as iPhone), multimedia handset, feature mobile phone, and it is low
Hold mobile phone etc..
(2) super mobile personal computer equipment：This kind equipment belongs to the category of personal computer, there is calculating and processing work(
Can, typically also possess mobile Internet access characteristic.This Terminal Type includes:PDA, MID and UMPC equipment etc., such as iPad.
(3) portable entertainment device：This kind equipment carries radio-frequency SIM card, and can show and play content of multimedia.Should
Kind equipment includes:Audio, video player (such as iPod), handheld device, e-book, and intelligent toy and portable vehicle
Carry navigation equipment.
(4) Intelligent worn device, such as carries the child intelligence wrist-watch or the anti-wrist-watch of wandering away of old man of radio-frequency SIM card.
(5) other electronic installations with communication function and data interaction function.
The embodiments of the invention provide a kind of non-volatile computer readable storage medium storing program for executing, the computer-readable storage medium
Matter is stored with computer executable instructions, and the computer executable instructions are executed by one or more processors, such as in Fig. 5
One processor 801, may be such that said one or multiple processors can perform the radio-frequency SIM card in above-mentioned any means embodiment
Control method, for example, performing the method and step 10 in Fig. 1 described above to the function of step 40.
The embodiments of the invention provide a kind of computer program product, when computer program product is performed, performs and retouch above
Method and step 10 in the Fig. 1 stated to step 40 function.
Device embodiment described above is only schematical, wherein the unit illustrated as separating component can
To be or may not be physically separate, the part shown as unit can be or may not be physics list
Member, you can with positioned at a place, or can also be distributed on multiple NEs.It can be selected according to the actual needs
In some or all of module realize the purpose of this embodiment scheme.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
Realized by the mode of software plus general hardware platform, naturally it is also possible to pass through hardware.Understood based on such, above-mentioned technology
The part that scheme substantially contributes to correlation technique in other words can be embodied in the form of software product, the computer
Software product can be stored in a computer-readable storage medium, and such as ROM/RAM, magnetic disc, CD, including some instructions are used to
So that a computer equipment (can be personal computer, server, or network equipment etc.) perform each embodiment or
Method described in some parts of embodiment.
Finally it should be noted that：Above example is only to the technical scheme for illustrating the application, rather than its limitations；At this
Under the thinking of application, it can also be combined between the technical characteristic in above example or non-be the same as Example, step can be with
Realized with random order, and there are many other changes of the different aspect of the application as described above, for simplicity, they do not have
Have and provided in details；Although the application is described in detail with reference to the foregoing embodiments, the ordinary skill people of this area
Member should be understood：It can still modify to the technical scheme described in foregoing embodiments, or to which part skill
Art feature carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from each reality of the application
Apply the scope of a technical scheme.
Claims (10)
1. a kind of control method of radio-frequency SIM card, it is characterised in that the radio-frequency SIM card include main control chip and respectively with institute
The RF receiving and transmission module and field strength detection module of main control chip connection are stated, methods described includes：
The field strength detection module senses the field intensity signal of card reader, produces induced-current, and the induced-current passes through amplifier mould
Block is with output current signal I1 after default multiplication factor processing；
Distance detection current threshold I0, relatively more described current signal I1 and current threshold I0 are set；
If I1 ＜ I0, default multiplication factor described in amplifier module multi-gear adjustment, successive ignition multilevel iudge output current signal I1,
Until output current signal I1 is more than current threshold I0；
If I1 >=I0, the main control chip is waken up；The main control chip starts the RF receiving and transmission module, RF receiving and transmission module with
Default transmission power sends connection request and receives the response that card reader is returned according to the connection request.
2. the method as described in claim 1, it is characterised in that methods described also includes：
If not receiving the response that card reader is returned according to the connection request in preset period of time, the RF receiving and transmission module is more
Shelves regulation transmission power is until receive the response of card reader, and multi-gear adjustment transmission power is according to the letter for increasing transmission power successively
The sequential adjustment of number intensity；Wherein, multi-gear adjustment transmission power is -20dBm, -16dBm, 0dBm, 4dBm fourth gear are adjustable.
3. method as claimed in claim 2, it is characterised in that pass through the multiplication factor of electric current described in amplifier module multi-gear adjustment
According to the sequential adjustment for increasing multiplication factor successively；The default multiplication factor is 5000 times, the amplifier module multi-gear adjustment
The default multiplication factor is adjusted according to 10000 times, 15000 times, 20000 times of stepping, every time the time-consuming 2ms of adjustment.
4. method as claimed in claim 3, it is characterised in that methods described also includes：
Current amplification factor of the record by current amplification factor described in amplifier module multi-gear adjustment when determining I1 >=I0,
And it is used as newly default multiplication factor.
5. method as claimed in claim 1 or 2, it is characterised in that when the field strength detection module is not sensed by any adaptation
Field intensity signal when, the main control chip and RF receiving and transmission module are in resting state.
6. a kind of radio-frequency SIM card, it is characterised in that the radio-frequency SIM card include main control chip and respectively with the main control chip
The RF receiving and transmission module and field strength detection module of connection；
The field strength detection module senses the field intensity signal of card reader, produces induced-current, and the induced-current passes through amplifier mould
Block is with output current signal I1 after default multiplication factor processing；Distance detection current threshold I0, relatively more described current signal are set
I1 and current threshold I0；
If I1 ＜ I0, default multiplication factor described in amplifier module multi-gear adjustment, successive ignition multilevel iudge output current signal I1,
Until output current signal I1 is more than current threshold I0；
If I1 >=I0, the main control chip is waken up；The main control chip starts the RF receiving and transmission module, RF receiving and transmission module with
Default transmission power sends connection request and receives the response that card reader is returned according to the connection request.
7. radio-frequency SIM card as claimed in claim 6, it is characterised in that if RF receiving and transmission module is not received in preset period of time
The response that card reader is returned according to the connection request, then the RF receiving and transmission module multi-gear adjustment transmission power is until receive
The response of card reader, wherein, multi-gear adjustment transmission power is -20dBm, -16dBm, 0dBm, 4dBm fourth gear are adjustable.
8. radio-frequency SIM card as claimed in claim 7, it is characterised in that pass through putting for electric current described in amplifier module multi-gear adjustment
Big multiple is according to the sequential adjustment for increasing multiplication factor successively；Multi-gear adjustment transmission power is according to the letter for increasing transmission power successively
The sequential adjustment of number intensity；The default multiplication factor is 5000 times, and times magnification is preset described in the amplifier module multi-gear adjustment
Number is adjusted according to 10000 times, 15000 times, 20000 times of stepping, every time the time-consuming 2ms of adjustment.
9. radio-frequency SIM card as claimed in claim 8, it is characterised in that the field strength detection module record passes through amplifier module
Current amplification factor of the current amplification factor described in multi-gear adjustment when determining I1 >=I0, and it is used as newly default times magnification
Number.
10. a kind of mobile terminal, it is characterised in that the mobile terminal is based on the radio frequency SIM card as described in claim 6-9
Letter.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710245495.8A CN107103353A (en) | 2017-04-14 | 2017-04-14 | A kind of radio-frequency SIM card, control method and mobile terminal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710245495.8A CN107103353A (en) | 2017-04-14 | 2017-04-14 | A kind of radio-frequency SIM card, control method and mobile terminal |
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| CN101686283A (en) * | 2008-09-23 | 2010-03-31 | 国民技术股份有限公司 | Method for reducing power consumption of radio-frequency SIM card in standby mode |
| CN101739583A (en) * | 2008-11-26 | 2010-06-16 | 国民技术股份有限公司 | Radio frequency SIM card, radio frequency card reader and magnetic induction control method for radio frequency communication |
| CN202143214U (en) * | 2011-06-03 | 2012-02-08 | 国民技术股份有限公司 | Radio frequency SIM card and mobile terminal |
| CN104063674A (en) * | 2013-03-22 | 2014-09-24 | 国民技术股份有限公司 | Field intensity self-adaption circuit and method and smart card |
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- 2017-04-14 CN CN201710245495.8A patent/CN107103353A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101686283A (en) * | 2008-09-23 | 2010-03-31 | 国民技术股份有限公司 | Method for reducing power consumption of radio-frequency SIM card in standby mode |
| CN101739583A (en) * | 2008-11-26 | 2010-06-16 | 国民技术股份有限公司 | Radio frequency SIM card, radio frequency card reader and magnetic induction control method for radio frequency communication |
| CN202143214U (en) * | 2011-06-03 | 2012-02-08 | 国民技术股份有限公司 | Radio frequency SIM card and mobile terminal |
| CN104063674A (en) * | 2013-03-22 | 2014-09-24 | 国民技术股份有限公司 | Field intensity self-adaption circuit and method and smart card |
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